CN203289700U

CN203289700U - Novel drive power supply with light-emitting diode

Info

Publication number: CN203289700U
Application number: CN2013202569889U
Authority: CN
Inventors: 林聪�
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-13
Filing date: 2013-05-13
Publication date: 2013-11-13
Anticipated expiration: 2023-05-13

Abstract

The utility model discloses a novel drive power supply with a light-emitting diode. The novel drive power supply comprises a high-power-factor circuit, a direct current-to-alternating current circuit and an alternating current-to-direct current circuit, wherein the high-power-factor circuit is composed of a control electrical appliance chip, a first field-effect transistor, a first transformer, and peripheral components of a diode, a capacitor, an inductor and a resistor; the direct current-to-alternating current circuit is composed of a self-vibration half-bridge driver, a second field-effect transistor, a third field-effect transistor, a second transformer, a third inductor, a bootstrap diode, a thermistor, and peripheral components of a diode, a capacitor, an inductor and a resistor; and the alternating current-to-direct current circuit is composed of a sixth rectifier bridge, a seventh rectifier bridge, and peripheral components of a capacitor and an inductor. The novel drive power supply is characterized in that an outer alternating current is connected with the high-power-factor circuit via a fuse, the high-power-factor circuit is connected with the direct current-to-alternating current circuit, the direct current-to-alternating current circuit is connected with the alternating current-to-direct current circuit, and the alternating current-to-direct current circuit is connected with the light-emitting diode. The novel drive power supply has the characteristics of high power factor, low harmonic waves, and the like.

Description

The novel light-emitting diode driving power

Technical field

The utility model relates to a kind of power supply, relates in particular to a kind of novel light-emitting diode driving power.

Background technology

LED driving power on existing market, have that power factor is low, the starup current surge is large, harmonic content is high and the problem such as output direct current Wen Boda, so light-emitting diode is short useful life.

Summary of the invention

The utility model purpose is to provide a kind of energy-conserving and environment-protective, High Power Factor, low harmonic wave, low cost and the better novel light-emitting diode driving power of output direct current.

The utility model purpose is achieved in that described The novel light-emitting diode driving powerComprising that high-power factor circuit, direct current become the circuit that exchanges and the circuit of AC-DC, 1) described high-power factor circuit consists of control apparatus chip, the first field effect transistor, the first transformer and peripheral element diode, electric capacity, inductance and resistance; 2) circuit of described direct current change interchange consists of self-vibration half-bridge driver, the second field effect transistor, the 3rd field effect transistor, the second transformer, the 3rd inductance, bootstrap diode, thermistor and peripheral element diode, electric capacity, inductance and resistance; 3) circuit of described AC-DC consists of the 6th rectifier bridge, the 7th rectifier bridge and peripheral element electric capacity and inductance, it is characterized in that: outer alternating current connects high-power factor circuit through protective tube, high-power factor circuit connects direct current and becomes the circuit that exchanges, direct current becomes the circuit that exchanges and connects the circuit of AC-DC, and the circuit of AC-DC connects Light-Emitting Diode.

described ﹠lt, b TranNum="60" ﹠gt, the novel light-emitting diode driving power ﹠lt, / b ﹠gt, , its characteristics are 1) in described high-power factor circuit, the control apparatus chip adopts CRM--PFC control apparatus chip, outer alternating current is through slot, protective tube, the first electric capacity, the second electric capacity, the first inductance, the 3rd electric capacity and the 4th electric capacity, connect the first rectifier bridge after the second inductance, the first electric capacity and the second capacitances in series, the first rectifier bridge output one tunnel the 4th resistance, the 5th resistance connects the 8th electrochemical capacitor, the positive terminal of the 8th electrochemical capacitor is connected on the 8th pin of CRM--PFC control apparatus chip, the 8th electrochemical capacitor minus earth, the 6th pin ground connection of CRM--PFC control apparatus chip, CRM--PFC control apparatus chip) the 7th pin is connected on the grid of the first field effect transistor through the 9th resistance, another road of the first rectifier bridge output connects the elementary of the first transformer, one of the first primary terminates to the drain electrode of the first field effect transistor, the source electrode of the first field effect transistor is through the 11st resistance, the 12nd resistance, ground connection after the 13rd resistance, the first transformer secondary through the 7th resistance, the tenth electric capacity and the second diode are connected on the 8th pin of CRM--PFC control apparatus chip, the voltage of the 8th pin of CRM--PFC control apparatus chip is by the secondary of the first transformer and the 7th resistance, the power circuit that the tenth electric capacity and the second diode form provides, the 1st pin, the 2nd pin of CRM--PFC control apparatus chip are attempted by on the 12 electric capacity, be attempted by again on the circuit of the 11 electric capacity and the series connection of the 6th resistance, the 1st pin of CRM--PFC control apparatus chip is connected to the Nodes between the 14th resistance and the 15th resistance, the 3rd pin of CRM--PFC control apparatus chip ground connection after the 7th electric capacity, the 3rd pin of CRM--PFC control apparatus chip is connected on the Nodes between the 2nd resistance and the 3rd resistance, the 4th pin of CRM--PFC control apparatus chip connects the source electrode of the first field effect transistor, and the 5th pin of CRM--PFC control apparatus chip is received the secondary of the first transformer through the 8th resistance, 2) become in the circuit that exchanges at direct current: the drain electrode of the first above-mentioned field effect transistor is received the 13 electrochemical capacitor through the 4th diode, thermistor one tunnel, and another Lu Jingdi 16 resistance are received the 14 electrochemical capacitor, the 14 electrochemical capacitor positive terminal is connected on the 1st pin of self-vibration half-bridge driver, and the 14 electrochemical capacitor negative pole end is connected on the 4th pin and the ground connection of self-vibration half-bridge driver, the grid of the 3rd field effect transistor connects the 5th pin of self-vibration half-bridge driver through the 19th resistance, the 1st pin of self-vibration half-bridge driver connects the 16 electric capacity through bootstrap diode, and the 16 electric capacity is received the 6th pin of self-vibration half-bridge driver, the 7th pin of self-vibration half-bridge driver connects the grid of the second field effect transistor through the 18th resistance, the drain electrode of the second field effect transistor is connected with thermistor, the drain electrode of source electrode serial connection the 3rd field effect transistor of the second field effect transistor, the source ground of the 3rd field effect transistor, be connected to an end of the 3rd inductance behind the source electrode that the 6th pin of self-vibration half-bridge driver is received the second field effect transistor and the place of serial connection of the drain electrode of the 3rd field effect transistor, an elementary end of another termination the second transformer of the 3rd inductance, the elementary other end and the 18 electrochemical capacitor positive terminal of the second transformer join, the 18 electrochemical capacitor negative pole end ground connection, the 2nd pin of self-vibration half-bridge driver is connected by the 17th resistance with the 3rd pin of self-vibration half-bridge driver, the 3rd pin of self-vibration half-bridge driver connects the 15 electric capacity one end, the 15 electric capacity other end ground connection, 3) in the circuit of AC-DC, inferior fraction two tunnels of the second above-mentioned transformer output to respectively the 6th rectifier bridge and the 7th rectifier bridge, wherein the 6th rectifier bridge output cathode connects the 19 capacitance cathode and connects an end of the 4th inductance again, the 4th inductance other end connects the positive pole of the 8th light-emitting diode, and the negative pole of the 8th luminous two pipes and the 19 electric capacity negative pole are with the negative pole that is connected to the 6th rectifier bridge, the positive pole of the 7th rectifier bridge output cathode connection the 20 electric capacity connects an end of the 5th inductance again, the 5th inductance other end connects the positive pole of the 9th light-emitting diode, and the negative pole of the 9th light-emitting diode and the negative pole of the 20 electric capacity are with the negative pole that is connected to the 7th rectifier bridge.

Advantage of the present utility model: 1) have energy-conservation, environment-friendly function, 2) have High Power Factor, it is low that humorous to involve current surge little; 3) have output direct current excellent, cost is low, advanced technology; 4) have the characteristics of wide voltage and firm power; 5) applied the IC integrated circuit, made power supply more stable, safe and reliable, the long-life; 6) has efficiency high, the advantage such as volume is little.

Description of drawings

Fig. 1 is circuit diagram of the present utility model.

Embodiment

As shown in Figure 1, LED driving power described in the utility model, comprise 1) high-power factor circuit: main circuit will be by the control apparatus chip, the first field effect transistor Q1, the first transformer T1, diode D2, D3, D4, capacitor C 9, C10, C11, C12, C13, C14 resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, the circuit that the R15 element forms.2) direct current becomes the circuit that exchanges: main circuit will be by self-vibration half-bridge driver IC2, the second field effect transistor Q2, the 3rd field effect transistor Q3, the second transformer T2, the 3rd inductance L 3, bootstrap diode D5, capacitor C 15, C16, C17, C18, C19, C20, resistance R 16, R17, R18, R19, R20, R21, the circuit that thermistor NR element forms.3) circuit of AC-DC: main circuit will be by rectifier bridge D6, D7, capacitor C 21, C22, inductance L 4, the circuit that the elements such as L5 form, above-mentioned high-power factor circuit, direct current become the circuit of interchange and the circuit of AC-DC is the technology that prior art can realize, its design feature is that described outer alternating current connects high-power factor circuit through protective tube F1, high-power factor circuit connects direct current and becomes the circuit that exchanges, direct current becomes the circuit that exchanges and connects the circuit of AC-DC, and the circuit of AC-DC connects Light-Emitting Diode.The control apparatus chip adopts CRM--PFC control apparatus chip IC 1.

physical circuit is connected to: 1) in high-power factor circuit, outer alternating current is received slot J1 through protective tube F1, the first capacitor C 1, the second capacitor C 2 (C1 and C2 series connection), the first inductance L 1, after the 3rd capacitor C 3 and the 4th capacitor C 4 (C3 with are connected series connection), the second rear connection the first rectifier bridge D1 of inductance L 2, one tunnel the 4th resistance R 4, the 5th resistance R 5 connect the 8th electrochemical capacitor C8, the positive terminal of the 8th electrochemical capacitor C8 is connected on the 8th pin of CRM--PFC control apparatus chip IC 1, the 8th electrochemical capacitor C8 minus earth, the 6th pin ground connection of CRM--PFC control apparatus chip IC 1, the 7th pin of CRM--PFC control apparatus chip IC 1 is connected on the grid of the first field effect transistor Q1 through the 9th resistance R 9, another road that connects after the first rectifier bridge D1 connects the elementary of the first transformer T1, the drain electrode that terminates to the first field effect transistor Q1 that the first transformer T1 is elementary, the source electrode of the first field effect transistor Q1 is through the 11st resistance R 11, the 12nd resistance R 12, the 13rd rear ground connection of resistance R 13, the first transformer T1's is secondary through the 7th resistance R 7, the tenth capacitor C 10 and the second diode D2 are connected on the 8th pin of CRM--PFC control apparatus chip IC 1, in case the first field effect transistor Q1 is operated under on off state, the voltage of the 8th pin of CRM--PFC control apparatus chip IC 1 is by the secondary of the first transformer T1 and the 7th resistance R 7, the power circuit that the tenth capacitor C 10 and the second diode D2 form provides, the 1st pin of CRM--PFC control apparatus chip IC 1, the 2nd pin also connect the 12 capacitor C 12, be attempted by again on the circuit of the 11 capacitor C 11 and the 6th resistance R 6 series connection, the 1st pin of CRM--PFC control apparatus chip IC 1 is connected to the Nodes (the 10th resistance R 10, the 14th resistance R 14, the 15th resistance R 15 these three resistance series connection) between the 14th resistance R 14 and the 15th resistance R 15, and the 3rd pin of CRM--PFC control apparatus chip IC 1 is ground connection after the 7th capacitor C 7, the 3rd pin of CRM--PFC control apparatus chip IC 1 is connected on Nodes (the 1st resistance R 1 between the 2nd resistance R 2 and the 3rd resistance R 3, the 2nd resistance R 2, the 3rd resistance R 3 these three resistance series connection), the 4th pin of CRM--PFC control apparatus chip IC 1 connects the source electrode of the first field effect transistor Q1 and passes through the 11st resistance R 11, the 12nd resistance R 12, the 13rd resistance R 13 ground connection, the 5th pin of CRM--PFC control apparatus chip IC 1 is received the secondary of the first transformer T1 through the 8th resistance R 8.2) become in the circuit that exchanges at direct current: the drain electrode of the first above-mentioned field effect transistor Q1 is received the 13 electrochemical capacitor C13 through the 4th diode D4, thermistor NR one tunnel it is charged, and another Lu Jingdi 16 resistance R 16 are received the 14 electrochemical capacitor C14 it is charged, the 14 electrochemical capacitor C14 positive terminal is connected on the 1st pin of self-vibration half-bridge driver IC2, and the 14 electrochemical capacitor C14 negative pole end is connected on the 4th pin and the ground connection of self-vibration half-bridge driver IC2, the grid of the 3rd field effect transistor Q3 connects the 5th pin of self-vibration half-bridge driver IC2 through the 19th resistance R 19, the 1st pin of self-vibration half-bridge driver IC2 connects the 16 capacitor C 16 and it is charged through bootstrap diode D5, and the 16 capacitor C 16 is received the 6th pin of self-vibration half-bridge driver IC2 again, the 7th pin of self-vibration half-bridge driver IC2 connects the grid of the second field effect transistor Q2 through the 18th resistance R 18, the drain electrode of the second field effect transistor Q2 is connected with thermistor NR, the drain electrode of source electrode serial connection the 3rd field effect transistor Q3 of the second field effect transistor Q2, the source ground of the 3rd field effect transistor Q3, connect the 3rd inductance L 3 behind the source electrode that the 6th pin of self-vibration half-bridge driver IC2 meets the second field effect transistor Q2 and the place of serial connection of the drain electrode of the 3rd field effect transistor Q3, the elementary end of the 3rd inductance L 3 another termination the second transformer T2, the elementary other end of the second transformer T2 and the 18 electrochemical capacitor C18 positive terminal join, the 18 electrochemical capacitor C18 negative pole end ground connection, the 2nd pin of self-vibration half-bridge driver IC2 is connected by the 17th resistance R 17 with the 3rd pin of self-vibration half-bridge driver IC2, the 3rd pin of self-vibration half-bridge driver IC2 connects the 15 capacitor C 15 1 ends, the 15 capacitor C 15 other end ground connection.3) in the circuit of AC-DC, the second above-mentioned transformer T2's is secondary, minutes two tunnels outputs, respectively through two rectifier bridges, the 6th rectifier bridge D6 output cathode wherein, connect the end that the 19 capacitor C 19 positive poles connect the 4th inductance L 4 again, the 4th inductance L 4 other ends connect the positive pole of the 8th light-emitting diode D8, and the negative pole of the 8th luminous two pipe D8 and the 19 capacitor C 19 negative poles are with being connected to the 6th rectifier bridge D6 negative pole; The positive pole of the 7th rectifier bridge D7 output cathode connection the 20 capacitor C 20 connects an end of the 5th inductance L 5 again, the 5th inductance L 5 other ends connect the positive pole of the 9th light-emitting diode D9, and the negative pole of the 9th light-emitting diode D9 and the negative pole of the 20 capacitor C 20 are with being connected to the 7th rectifier bridge D7 negative pole.

circuit working principle of the present utility model, after adding alternating current to circuit, electric current is crossed protective tube F1 also to the first capacitor C 1, the second capacitor C 2 chargings, through the first inductance L 1 and to the 3rd capacitor C 3, the 4th capacitor C 4 charges to the second inductance L 2, to output DC after the first rectifier bridge D1 rectification by the 4th resistance R 4, the 5th 5 pairs of resistance R the 8th electrochemical capacitor C8 charging, when the voltage on the 8th electrochemical capacitor C8 reaches the threshold level of the 8th pin of CRM--PFC control apparatus chip IC 1, the 1 startup work of CRM--PFC control apparatus chip IC, the 7th pin output level of CRM--PFC control apparatus chip IC 1 is through the grid of the 9th resistance R 9 to first field effect transistor Q1, the first field effect transistor Q1 starts working.Through the drain electrode of the elementary end of transformer T1 to the first field effect transistor Q1, source electrode to the 11 resistance R 11, the 12 resistance R 12, the 13 resistance R 13 by the first field effect transistor Q1 are to ground when electricity.In case the first field effect transistor Q1 is operated under on off state, the voltage of the 8th pin of CRM--PFC control apparatus chip IC 1 is provided by the power circuit that the secondary of transformer T1 and the 7th resistance R 7, the tenth capacitor C 10 and the second diode D2 form.the 1st pin of CRM--PFC control apparatus chip IC 1 is the inverting input of error amplifier, the 2nd pin of CRM--PFC control apparatus chip IC 1 is the output of error amplifier, the 1st pin of CRM--PFC control apparatus chip IC 1, the 2nd pin of CRM--PFC control apparatus chip IC 1 also connects the 12 capacitor C 12 again and the 11 capacitor C 11, go here and there the 6th resistance C6 and connecing, the 1st pin of CRM--PFC control apparatus chip IC 1, the 1st pin of CRM-PFC control apparatus chip IC 1 is connected to series connection place of the 14th resistance R 14 and the 15th resistance R 15, the 3rd pin of CRM--PFC control apparatus chip IC 1 is the input of multiplier, the 3rd pin of CRM--PFC control apparatus chip IC 1 first is series-connected to ground with the 7th capacitor C 7, the 3rd pin of CRM--PFC control apparatus chip IC 1 is received again, end between the 1st resistance R 1 is connected with the 2nd resistance R 2 and the 3rd resistance R 3 is connected, the 4th pin of CRM--PFC control apparatus chip IC 1 is the inductance side input of comparator, source electrode and the 11st resistance R 11 of itself and the first field effect transistor Q1, the 12nd resistance R 12, the 13rd resistance C13 series connection end joins, the 5th pin of CRM--PFC control apparatus chip IC 1 is that the demagnetization side input of the first transformer T1 inductor is connected with the 8th resistance R 8, T1 level one end of the 8th resistance R 8 other ends and the first transformer joins, the 6th pin of CRM--PFC control apparatus chip IC 1 joins with ground.

when the first field effect transistor Q1 is operated in shutoff, the 4th diode D4 conducting, electric current arrives thermistor NR(negative temperature through diode), and charge for the 13 electrochemical capacitor C13, 16 pairs of the 14 electrochemical capacitor C14 chargings of voltage to the 16 resistance R, when the voltage on the 14 electrochemical capacitor C14 reaches on the 1st pin of self-vibration half-bridge driver IC2 the turn-on threshold level, self-vibration half-bridge driver IC2 is activated, in the 3rd field effect transistor Q3 conduction period, the 1st pin of self-vibration half-bridge driver IC2 charges to the 16 capacitor C 16 by bootstrap diode D5, make the 6th pin of the voltage ratio self-vibration half-bridge driver IC2 on the 8th pin of self-vibration half-bridge driver IC2 exceed the voltage of the 1st pin of self-vibration half-bridge driver IC2, when in case the voltage of the 8th pin of self-vibration half-bridge driver IC2 reaches this value, the second field effect transistor Q2 conducting, and the 3rd field effect transistor Q3 cut-off, the second field effect transistor Q2 and the 3rd field effect transistor Q3 alternate conduction.When self-vibration half-bridge driver IC2 works, the 7th pin output drive level of the 5th pin of self-vibration half-bridge driver IC2, self-vibration half-bridge driver IC2 was clipped to the grid of the 3rd field effect transistor Q3 and the second field effect transistor Q2 in 18 minutes through resistance the 19th resistance R 19, the 18th resistance R, the 3rd pin of the 2nd pin of self-vibration half-bridge driver IC2, self-vibration half-bridge driver IC2 is in parallel with the 17th resistance R 17, the 3rd pin of self-vibration half-bridge driver IC2 connects the 15 capacitor C 15 1 ends, the 15 capacitor C 15 other end ground connection, the 4th pin of self-vibration half-bridge driver IC2 is connected with ground.

Due to the second field effect transistor Q2 and the 3rd field effect transistor Q3 alternate conduction formation alternating voltage, through the second field effect transistor Q2 source electrode to the three inductance L 3 one ends, the elementary end of the 3rd inductance L 3 other ends and the second transformer T2, the elementary other end and the 18 electrochemical capacitor C18 positive pole join, the 18 electrochemical capacitor C18 minus earth, so the alternation electricity arrives ground through the 18 electrochemical capacitor C18 negative pole.At this moment T2 level of the second transformer produces the output of mutual inductance alternating voltage.

The alternating voltage on the second transformer T2 output two tunnels flows to respectively the 6th rectifier bridge D6, the anodal direct current of the 6th rectifier bridge D6 is through the 19 capacitor C 19 positive pole to the four inductance L 4 one ends, electric current flows to the positive pole of light-emitting diode D8 through the 4th inductance L 4 other ends, electric current is got back to the 6th rectifier bridge D6 negative pole by light-emitting diode D8 negative pole and the 19 capacitor C 19 negative poles, has so just lighted the 8th light-emitting diode D8.

When electric current to the 7th rectifier bridge D7, the anodal direct current of the 7th rectifier bridge D7 is through the 20 capacitor C 20 positive pole to the five inductance L 5 one ends, electric current flows to the positive pole of light-emitting diode D9 through the 5th L5 other end, electric current is got back to the 7th rectifier bridge D7 negative pole by light-emitting diode D9 negative pole and the 20 capacitor C 20 negative poles, has so just lighted the 9th light-emitting diode D9.

Claims

1. one kind The novel light-emitting diode driving powerComprising that high-power factor circuit, direct current become the circuit that exchanges and the circuit of AC-DC, 1) described high-power factor circuit consists of control apparatus chip, the first field effect transistor (Q1), the first transformer and peripheral element diode, electric capacity, inductance and resistance; 2) described direct current becomes the circuit of interchange by self-vibration half-bridge driver (IC2), the second field effect transistor (Q2), the 3rd field effect transistor (Q3), the second transformer (T2), the 3rd inductance, bootstrap diode (D5), thermistor (NR) and peripheral element diode, electric capacity, inductance and resistance formation; 3) circuit of described AC-DC consists of the 6th rectifier bridge (D6), the 7th rectifier bridge (D7) and peripheral element electric capacity and inductance, it is characterized in that: outer alternating current connects high-power factor circuit through protective tube (F1), high-power factor circuit connects direct current and becomes the circuit that exchanges, direct current becomes the circuit that exchanges and connects the circuit of AC-DC, and the circuit of AC-DC connects Light-Emitting Diode.

2. according to claim 1 ﹠lt, b TranNum="78" ﹠gt, the novel light-emitting diode driving power ﹠lt, / b ﹠gt, , it is characterized in that: 1) in described high-power factor circuit, the control apparatus chip adopts CRM--PFC control apparatus chip (IC1), outer alternating current is through slot (J1), protective tube (F1), the first electric capacity (C1), the second electric capacity (C2), the first inductance (L1), the 3rd electric capacity (C3) and the 4th electric capacity, connect the first rectifier bridge (D1) after the second inductance (L2), the first electric capacity (C1) and the second electric capacity (C2) series connection, the first rectifier bridge (D1) output one tunnel the 4th resistance (R4), the 5th resistance (R5) connects the 8th electrochemical capacitor (C8), the positive terminal of the 8th electrochemical capacitor (C8) is connected on the 8th pin of CRM--PFC control apparatus chip (IC1), the 8th electrochemical capacitor (C8) minus earth, the 6th pin ground connection of CRM--PFC control apparatus chip (IC1), the 7th pin of CRM--PFC control apparatus chip (IC1) is connected on the grid of the first field effect transistor (Q1) through the 9th resistance (R9), another road of the first rectifier bridge output connects the elementary of the first transformer (T1), the drain electrode that terminates to the first field effect transistor that the first transformer (T1) is elementary, the source electrode of the first field effect transistor (Q1) is through the 11st resistance (R11), the 12nd resistance (R12), ground connection after the 13rd resistance, the first transformer (T1) secondary through the 7th resistance (R7), the tenth electric capacity (C10) and the second diode (D2) are connected on the 8th pin of CRM--PFC control apparatus chip (IC1), the voltage of the 8th pin of CRM--PFC control apparatus chip (IC1) is by the secondary of the first transformer (T1) and the 7th resistance (R7), the power circuit that the tenth electric capacity (C10) and the second diode (D2) form provides, the 1st pin of CRM--PFC control apparatus chip (IC1), the 2nd pin are attempted by on the 12 electric capacity (C12), be attempted by again on the circuit of the 11 electric capacity (C11) and the 6th resistance (R6) series connection, the 1st pin of CRM--PFC control apparatus chip (IC1) is connected to the Nodes between the 14th resistance (R14) and the 15th resistance (R15), and the 3rd pin of CRM--PFC control apparatus chip (IC1) is ground connection after the 7th electric capacity (C7), the 3rd pin of CRM--PFC control apparatus chip (IC1) is connected on the Nodes between the 2nd resistance (R2) and the 3rd resistance (R3), the 4th pin of CRM--PFC control apparatus chip (IC1) connects the source electrode of the first field effect transistor (Q1), and the 5th pin of CRM--PFC control apparatus chip (IC1) is received the secondary of the first transformer (T1) through the 8th resistance (R8), 2) become in the circuit that exchanges at direct current: the drain electrode of above-mentioned the first field effect transistor (Q1) is received the 13 electrochemical capacitor (C13) through the 4th diode (D4), thermistor (NR) road, and another Lu Jingdi 16 resistance (R16) are received the 14 electrochemical capacitor, the 14 electrochemical capacitor (C14) positive terminal is connected on the 1st pin of self-vibration half-bridge driver (IC2), and the 14 electrochemical capacitor (C14) negative pole end is connected on the 4th pin and the ground connection of self-vibration half-bridge driver (IC2), the grid of the 3rd field effect transistor (Q3) connects the 5th pin of self-vibration half-bridge driver (IC2) through the 19th resistance (R19), the 1st pin of self-vibration half-bridge driver (IC2) connects the 16 electric capacity (C16) through bootstrap diode (D5), and the 16 electric capacity (C16) is received the 6th pin of self-vibration half-bridge driver (IC2), the 7th pin of self-vibration half-bridge driver (IC2) connects the grid of the second field effect transistor (Q2) through the 18th resistance (R18), the drain electrode of the second field effect transistor (Q2) is connected with thermistor (NR), the drain electrode of source electrode serial connection the 3rd field effect transistor (Q3) of the second field effect transistor (Q2), the source ground of the 3rd field effect transistor (Q3), be connected to an end of the 3rd inductance (L3) behind the source electrode that the 6th pin of self-vibration half-bridge driver (IC2) is received the second field effect transistor (Q2) and the place of serial connection of the drain electrode of the 3rd field effect transistor (Q3), an elementary end of another termination the second transformer (T2) of the 3rd inductance (L3), the elementary other end of the second transformer (T2) and the 18 electrochemical capacitor (C18) positive terminal join, the 18 electrochemical capacitor (C18) negative pole end ground connection, the 2nd pin of self-vibration half-bridge driver (IC2) is connected by the 17th resistance (R17) with the 3rd pin of self-vibration half-bridge driver (IC2), the 3rd pin of self-vibration half-bridge driver (IC2) connects the 15 electric capacity (C15) end, the 15 electric capacity (C15) other end ground connection, 3) in the circuit of AC-DC, inferior fraction two tunnels of above-mentioned the second transformer (T2) output to respectively the 6th rectifier bridge (D6) and the 7th rectifier bridge (D7), wherein the 6th rectifier bridge (D6) output cathode connects the 19 electric capacity (C19) positive pole and connects an end of the 4th inductance (L4) again, the 4th inductance (L4) other end connects the positive pole of the 8th light-emitting diode (D8), and the negative pole of the 8th luminous two pipes (D8) and the 19 electric capacity (C19) negative pole are with the negative pole that is connected to the 6th rectifier bridge (D6), the positive pole of the 7th rectifier bridge (D7) output cathode connection the 20 electric capacity (C20) connects an end of the 5th inductance (L5) again, the 5th inductance (L5) other end connects the positive pole of the 9th light-emitting diode (D9), and the negative pole of the 9th light-emitting diode (D9) and the negative pole of the 20 electric capacity (C20) are with the negative pole that is connected to the 7th rectifier bridge (D7).