CN104105311B - Note lock current low voltage source a power combiner HPS - Google Patents

Note lock current low voltage source a power combiner HPS Download PDF

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Publication number
CN104105311B
CN104105311B CN 201310155871 CN201310155871A CN104105311B CN 104105311 B CN104105311 B CN 104105311B CN 201310155871 CN201310155871 CN 201310155871 CN 201310155871 A CN201310155871 A CN 201310155871A CN 104105311 B CN104105311 B CN 104105311B
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end
resistor
connected
capacitor
inductor
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CN 201310155871
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CN104105311A (en )
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阮树成
阮雪芬
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阮雪芬
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/16Gas discharge lamps, e.g. fluorescent lamps, high intensity discharge lamps [HID] or molecular radiators
    • Y02B20/20High pressure [UHP] or high intensity discharge lamps [HID]
    • Y02B20/202Specially adapted circuits
    • Y02B20/208Specially adapted circuits providing detection and prevention of anomalous lamp operating conditions

Abstract

本发明涉及电光源照明技术领域,具体是一种直流低压电源注锁功率合成高压钠灯。 TECHNICAL FIELD The present invention relates to an illumination light source, in particular a low-voltage DC power supply NOTE lock synthesis HPS. 包括高压钠灯管、直流低电压、基准晶振、振荡驱动芯片、推挽放大器、推挽振荡器、相加耦合器、灯管触发电路、调频信号发生器、灯管异常电流检测器,振荡驱动芯片接推挽放大器,输出功率变压器T1与推挽振荡器输出功率变压器T3由相加耦合器,功率合成、升压馈送灯管触发电路引燃高压钠灯启辉,基准晶振信号经分频器注入振荡驱动芯片锁定相位,推挽放大器输出功率变压器T1与推挽振荡器输出功率变压器T3功率合成互耦注锁频率牵引相干同步锁定相位,获取大功率照明避免器件温升过高振荡频率变化功率失衡灯光下降。 It comprises a high pressure sodium lamp, a low DC voltage, a reference oscillator, oscillating drive chip, a push-pull amplifiers, push-pull oscillator, adding couplers, lamp trigger circuit, the FM signal generator, abnormal lamp current detector, an oscillation driving chip then push-pull amplifier, the output power of the transformer T1 and the push-pull oscillator at an output transformer T3 by the adding couplers, a power combiner, the feeding tube trigger circuit boosting pilot pressure sodium lamp starter, the reference oscillator signal is injected into the oscillation frequency divider driver chip lock phase, a push-pull power amplifier output transformer T1 and the push-pull oscillator output power of the power combiner mutual coupling transformer T3 injection lock frequency coherence synchronization traction lock phase, obtaining high power lighting prevent any thermal changes in the oscillation frequency of the light power imbalance decline. 本发明适用于直流低电压、大电流供电的高压钠灯照明场合。 The present invention is applicable to low DC voltage, high pressure sodium lighting applications of high current supply.

Description

直流低压电源注锁功率合成高压钠灯 Note lock current low voltage source a power combiner HPS

技术领域 FIELD

[0001]本发明涉及电光源照明技术领域,具体是一种直流低压电源注锁功率合成高压钠灯。 [0001] Technical Field The present invention relates to electrical lighting sources, in particular a low-voltage power DC power combining high pressure sodium injection locking.

背景技术 Background technique

[0002]现有技术电子镇流器通常用LC或RC振荡器作为高压钠灯电光源,产生的振荡频率受温度变化稳定性差影响功率不稳定光强下降,尤其直流低电压、大电流供电的高压钠灯,虽然这种电子镇流器,结构简便,成本低。 [0002] Typically the prior art electronic ballast with LC or RC oscillator as a high pressure sodium light source, the oscillation frequency generated by temperature changes affect the stability of the unstable power of the light intensity difference decreased, especially in low DC voltage, large-current high voltage power supply sodium lamps, electronic ballasts Although this structure is simple, low cost. 由于电源电压低,要得到大功率照明势必增大器件电流,致使振荡功率管功耗剧增温升过高导致振荡频率变化,结果会使灯光随频率变化功率幅值失衡。 Since the low supply voltage, to obtain a high-power lighting device current bound to increase, resulting in oscillation power consumption surge tube leading to a rise in temperature changes the oscillating frequency, the result will power the lights with frequency amplitude imbalance. 同时,大电流通过线圈温升高磁性导磁率下降,磁饱和电感量变小阻抗趋向零,灯具工作时间与温升正比,温升高加速器件老化,轻则灯管发光不稳定亮度下降,重则烧坏器件缩短使用寿命。 Meanwhile, a large current through the coil of the magnetic permeability decreased temperature rise, a small amount of magnetic saturation of the inductor goes to zero impedance, the lamp operation time is proportional to the temperature rise, temperature rise accelerated aging device, ranging from unstable lamp light brightness down, while in burned shorten the life of the device. 授权公告号CN201957316U由两个振荡逆变功率叠加拖动高压钠灯,解决器件功率容量限制。 Publication No. CN201957316U authorized by the superposition of two oscillating power inverter drag HPS, solve the capacity limitation of power devices. 但是,要求功率合成振荡电压相位一致,克服非线性互调功率不均衡。 However, uniform power required oscillating voltage phase synthesis, nonlinear intermodulation power to overcome the imbalance.

发明内容 SUMMARY

[0003]本发明的目的是提供直流低电压大电流供电,逆变振荡高稳频相位同步的一种直流低压电源注锁功率合成高压钠灯。 [0003] The object of the present invention to provide a high current low voltage DC power supply, an inverter oscillating frequency stabilization phase A DC high voltage power supply power injection lock synchronization synthetic HPS.

[0004]本发明技术解决方案为:包括直流低压电源、高压钠灯管、基准晶振、分频器、型号IR2156振荡驱动芯片、推挽放大器、推挽振荡器、相加耦合器、灯管触发电路、调频信号发生器,其中,基准晶振由石英晶体谐振器、两个反相器及电阻、电容组成,第一个反相器输入端连接偏置电阻一端,第一个反相器输出端连接偏置电阻的另一端,同时,第一个反相器输入端还连接石英晶体谐振器一端,石英晶体谐振器另一端串联微调电容连接到第一个反相器输出端,第一个反相器输入端与输出端分别连接电容Cl和电容C2的一端,电容Cl和电容C2的另一端接地,基准晶振输出信号经第二个反相器接入分频器,振荡驱动芯片内含RC振荡器、推挽放大驱动电路、电流检测CS、灯故障控制SD,RC振荡器外接电阻R2、电容C4产生振荡,芯片电源端Vcc接电阻R7和电容C8的一端,电 [0004] The technical solutions of the present invention include: low voltage DC power supply, high pressure sodium lamp, a reference oscillator, a frequency divider, the oscillation drive type IR2156 chip, push-pull amplifiers, push-pull oscillator, adding couplers, lamp trigger circuit FM signal generator, wherein the reference oscillator by a quartz crystal resonator, two inverters and resistors, capacitors, a first inverter input terminal connected to one end of the bias resistor, a first inverter connected to an output terminal the other end of the biasing resistor, at the same time, a first inverter input terminal is also connected to one end of the quartz crystal resonator, the other end of the quartz crystal resonator tuning capacitor serially connected to a first inverter output terminal, a first inverter input and output terminals respectively connected to one end of the capacitor Cl and capacitor C2, the other end of the capacitor Cl and capacitor C2, the reference oscillator output signal via a second inverter access frequency divider, the oscillation drive chip includes RC oscillator , a push-pull amplification driving circuit, the CS current detection, lamp failure control SD, RC oscillator external resistor R2, capacitor C4 oscillation, the power supply terminal Vcc connected to one end of the chip resistor R7 and capacitor C8, the electrical 阻R7另一端连接直流低压电源,电容C8另一端接地,直流低压电源还连接电感L3—端和电容C7的一端,电感L3另一端接变压器1^电感L1中点,电容C7另一端接地,芯片输出端子H0、L0分别连接推挽放大器两个大功率MOS场效应管&栅极、Q2栅极,Qi漏极、Q2漏极分别连接变压器T1电感L1两端,Q1源极、Q2源极之间串联电阻R6,Q2源极接电阻R4—端、电阻R4另一端接电容C6的一端和芯片的CS端子,电容C6的另一端接地; The other end of resistor R7 connected to low voltage DC power source, other end of the capacitor C8, the DC power supply is also connected to the low pressure end of the inductor and capacitor C7 L3- end of the other end of the inductance L3 of the transformer 1 ^ midpoint inductor L1, a capacitor C7 the other end, the chip an output terminal H0, L0 are connected to two push-pull amplifier power MOS FET & gates, Q2 gate, Qi drain, Q2 are connected to the drain of the inductor L1 at both ends of the transformer T1, Q1 source, Q2 source of between series resistors R6, Q2 resistor R4- source terminal, the other end of the resistor R4 of CS terminal of the capacitor C6 and one end of the chip, the other end of the capacitor C6;

[0005] 推挽振荡器由两个大功率MOS场效应管Q3漏极、Q4漏极分别连接变压器T3电感L4两端,Q3栅极、Q4栅极分别连接变压器T2电感L8两端,电感L8中点经电感L9接直流低压电源,电容C9 一端接地,另一端接直流低电压电源,Q3源极、Q4源极互连端经电阻R9接地,电感L4中点连接场效应管Q5漏极和电阻R8、电阻R14—端,电阻R14另一端接直流低压电源,电阻R8另一端接地,变压器1~2电感L7—端与变压器T3电感L5—端L5互连,变压器1~2电感L7另一端与变压器T3电感L5另一端之间串联电阻R1Q,Q3源极、Q4源极互连并连接取样电阻R9的一端,电阻R9的另一端接地,电阻R9—端的电流取样信号经电阻Rn输入场效应管Q5栅极,灯管异常电流检测信号经电阻R12接Q5栅极,灯管异常电流检测器信号还输入到振荡驱动芯片灯故障控制端SD; [0005] The two push-pull oscillator power drain of MOS transistor Q3, Q4 are connected to the drain of the inductor L4 at both ends of the transformer T3, the gate of Q3, Q4 are connected to the gate of the inductor L8 at both ends of the transformer T2, inductor L8 inductor L9 through the midpoint of contact current low voltage source, capacitor C9 to ground at one end, the other end of low voltage DC power supply, Q3 source, Q4 terminal of the source interconnect to ground via resistor R9, connected to the midpoint of the inductor L4 and the drain of the FET Q5 resistor R8, a resistor R14- end, the other end of resistor R14 current low voltage source, the other end of the resistor R8, inductor transformer 1 and the transformer T3 L7- end side inductor L5 L5- interconnection transformer 1 to the other end of inductor L7 between the inductor L5 and the other end of the transformer T3 series resistance R1Q, Q3 source, Q4 connected to one end of the source interconnect and a sampling resistor R9, the other end of the resistor R9, resistor R9- terminal of the current sampling signal input FET via the resistor Rn the gate of transistor Q5, via signal lamp abnormal current detection resistor R12 connected to the gate of Q5, abnormal lamp current detection signal is also input to the oscillation control terminal fault lamp driver chip the SD;

[0006]推挽放大器输出功率变压器T1的次级线圈输出信号与推挽振荡器输出功率变压器T3的次级线圈输出信号接入相加耦合器T4进行功率合成、升压经灯管触发电路引燃高压钠灯启辉,基准晶振信号经分频器注入振荡驱动芯片RC振荡器Ct端锁定相位,由推挽放大器变压器!^与推挽振荡器变压器T3在相加耦合器功率合成互耦注锁频率牵引相干同步锁定相位,调频信号发生器输出锯齿波信号接场效应管Q5栅极调频抑制灯光闪烁,直流低压电源接基准晶振、分频器、调频信号发生器电源端; [0006] access pull amplifier output signal of the secondary winding output of the transformer T1 secondary coil of the oscillator output signal and push-pull output transformer T3 is added to a coupler for power synthesis T4, lamp trigger circuit via the boost primer high pressure sodium lamp starter fuel, the reference oscillator signal injection frequency divider chip RC oscillator oscillating drive end Ct lock phase, the transformer push-pull amplifier! ^ transformer T3 adding the push-pull oscillator power combining coupler lock the mutual coupling Note traction lock phase coherent frequency synchronization, frequency modulation signal generator outputs a ramp signal connected to the gate of the FET Q5 FM suppress flashing lights, low voltage DC power supply connected to the reference oscillator, frequency divider, a frequency modulated signal generator, a power supply terminal;

[0007] 调频信号发生器由型号555时基芯片IC5、电阻R2Q、电阻R21、电阻R22和电容C15多谐振荡,场效应管Q6漏极和电阻R22—端接芯片IC5的VMR端,电阻R22另一端与电阻R21 —端、电容Cl9的一端连接,电阻R21另一端与电阻R2Q—端及电阻Rl9—端并联到芯片DIS端,电阻Rl9另一端接Q6栅极,电阻R2Q另一端连接芯片TH、TL端和电容C15的一端,电容C15另一端、电阻R18的一端接地,电容C19另一端与电阻R18另一端接Q6源极自举正反馈,输出线性锯齿波信号接入两个自振汤芯片RC端调频抑制灯光闪烁; VMR terminal [0007] by a frequency modulation signal generator 555 chip IC5, resistors R2Q, resistor R21, resistor R22 and capacitor C15 multivibrator type, the drain of FET Q6 and the resistor chip IC5 R22- termination of resistor R22 the other end of resistor R21 - terminal end of the capacitor Cl9 is connected to the other end of the resistor R21 and the resistor and the resistor Rl9- R2Q- terminal end in parallel to the chip terminal DIS, Q6 gate resistor Rl9 other end, the other end of the resistor connecting the chip R2Q TH one end of the capacitor C15 and the TL terminal, the other end of the capacitor C15, the resistor R18 is grounded at one end, the other end of the capacitor C19 and the resistor R18 the other end of bootstrap source Q6 positive feedback, an output sawtooth signal access two linear vibration soup RC FM chip end suppressing flashing lights;

[0008]灯管触发电路由高压钠灯管G—端串联脉冲点火变压器T5电感L13、电容C12接相加親合器T4电感Lll一端,相加親合器T4电感Lll另一端接地,电容Cl2与脉冲点火变压器T5电感Ll3接点并联电阻Rl6的一端,脉冲点火变压器T5电感Ll2连接电容Cl3—端和电阻Rl6的另一端,电容C13另一端接地,双向触发二极管VD2—端接脉冲点火变压器1~5电感L12,另一端接地,直流高压发生器由555时基芯片1(:5振荡输出电压接变压器T6电感Lu,经电感L15升压连接二极管VD3整流后,再连接电容Cn、电阻R24滤波,由电阻R25连接到电容C12与脉冲点火变压器T5电感Li3的接点上,灯管G另一端穿过灯异常检测磁环互感电感Li6接地。 [0008] The flip-flop circuit by a high pressure sodium lamp tube G- end of the series inductor L13 pulse ignition transformer T5, capacitor C12 and summing affinity inductor Lll end is T4, T4 adding an affinity Lll other end of the inductor, capacitor and Cl2 one end of the pulse ignition transformer T5 Rl6 inductance of the shunt resistor contacts Ll3, Ll2 and the other end connected to the capacitor and resistor Rl6 Cl3- end pulse ignition transformer T5 inductor, capacitor C13 to the other end, the diac VD2- terminate the pulse ignition transformer 1-5 inductor L12, the other terminal is grounded by a DC high voltage generator 555 chip 1 (: 5 oscillation output voltage differential transformer T6 inductor Lu, after the boost inductor L15 connected rectifier diode VD3, and then connect the capacitor Cn, resistors R24 filter by resistor R25 connected to capacitor C12 and a contact Li3 pulse ignition transformer T5 inductor, the other end of the lamp through the lamp abnormality detecting magnetic G mutual inductor Li6 ground.

[0009]本发明产生积极效果:解决直流低电压低电压、大电流供电自激和它激双推逆变振荡高稳频相位同步功率合成,达到单个自激或它激双推逆变器难以得到的大功率高压钠灯照明,避免器件温升高振荡频率变化功率失衡,稳定灯光延长使用寿命。 [0009] The positive effect of the present invention: resolve low voltage DC low voltage, high current supply and its self-excited inverter push-push oscillation frequency of high stability power combiner phase synchronization, to achieve a single or a self-excited inverter is difficult to push the double the resulting high-power high-pressure sodium lighting, temperature was raised to avoid the oscillation frequency of the device changes power imbalance, the light stabilizer to extend the service life.

附图说明 BRIEF DESCRIPTION

[0010]图1本发明技术方案原理框图 [0010] The schematic block diagram of an aspect of the invention FIG.

[0011]图2基准晶振电路 [0011] FIG. 2 reference crystal oscillator circuit

[0012 ]图3直流低压电源注锁功率合成高压钠灯电路 [0012] FIG. 3 NOTE lock current low voltage source power combiner circuit HPS

具体实施方式 Detailed ways

[0013]参照图1、2、3,本发明具体实施方式和实施例:包括直流低压电源1、高压钠灯1,基准晶振2、分频器3、振荡驱动芯片4、推挽放大器5、推挽振荡器6、相加耦合器7、灯管触发电路8、调频信号发生器9、灯管异常电流检测器11,其中,基准晶振2由石英晶体谐振器JT、两个反相器IC1、IC2及电阻R1、电容Co、Cl、C2组成,第一个反相器ICi输入与输出两端跨接偏置电阻R1,并分别并接接地电容C1X2,同时,还跨接串联微调电容Co的石英晶体谐振器JT,基准晶振2输出信号经第二个反相器IC2接入分频器3,振荡驱动芯片4,即IC4IR2156内含RC振荡器、推挽放大驱动电路、电流检测CS、灯故障控制SD,RC振荡器外接电阻R2、电容C4产生振荡,输出经推挽放大驱动电路接入推挽放大器5大功率MOS场效应管&、Q2栅极,Q1、Q2漏极并接变压器T1电感L1两端,振荡驱动芯片4电源端Vcc经电阻R7 [0013] Referring to FIG, 2, 3, and according to the present invention DETAILED DESCRIPTION Example embodiments: 1 comprises a low voltage DC power supply, high pressure sodium lamp 1, the reference oscillator 2, a frequency divider 3, oscillating drive chip 4, push-pull amplifier 5, push pull oscillator 6, a coupler 7 are added, the lamp trigger circuit 8, the FM signal generator 9, abnormal lamp current detector 11, wherein the reference oscillator 2 by a quartz crystal resonator JT, two inverters IC1, IC2 and resistor R1, a capacitor Co, Cl, C2, the first one ICi inverter input and output ends connected across bias resistor R1, respectively, and a ground capacitance C1X2, while also the tuning capacitor connected across a series of Co quartz crystal resonator JT, reference oscillator 2 outputs a second signal inverter IC2 access frequency divider 3, oscillating drive chip 4, i.e. containing IC4IR2156 RC oscillator, a push-pull driver circuit amplification, the CS current detection, lamp fault control SD, RC oscillator external resistor R2, capacitor C4 oscillation, outputs the push-pull amplifying circuit access push-pull amplifier driving power MOS FET 5 &, Q2 gate, Q1, Q2 and a drain connected to the transformer T1 both ends of the inductor L1, the oscillating driving chip power terminal Vcc 4 via a resistor R7 压电容C8旁路和电感L1中点经电感L3、电容C7旁路接直流低电压+V,Q2源极串联电阻R6接地,经电阻R4、电容C6接振荡驱动芯片4的CS,推挽振荡器6由两个大功率MOS场效应管Q3、Q4漏极接变压器T3电感L4两端,Q3、Q4栅极接变压器T2电感L8两端,电感L8中点并联源极接地场效应管^漏极及偏置电阻R8、R14,电感L7、电阻Riq与变压器T3电感L5闭合,电感L4中点经电感L9和旁路电容C9接直流低电压+V,调频信号发生器9输出锯齿波信号接场效应管Q5栅极抑制灯光闪烁,Q3、Q4源极经接地电阻R9压降取样电流连接电阻Rn,电阻R11和灯管异常电流检测器11信号经电阻R12接场效应管Q5栅极,灯管异常电流检测器11信号接入振荡驱动芯片4灯故障控制SD,推挽放大器5输出功率变压器!^与推挽振荡器6输出功率变压器T3由相加耦合器7功率合成,升压经灯管触发电路8引燃高压钠灯10启辉,基准晶振 Pressure bypass capacitor C8 and inductor L1 through the midpoint of the inductor L3, a capacitor C7 connected to bypass the low voltage DC + V, Q2 source series resistor R6 to ground, via a resistor R4, a capacitor C6 connected to the oscillation of the CS driver chip 4, the push-pull oscillation 6 comprises two power MOS FETs Q3, Q4 connected to the drain of the inductor L4 at both ends of the transformer T3, Q3, Q4 connected to the gate of the inductor L8 at both ends of the transformer T2, inductor L8 midpoint parallel source-grounded FET drain ^ electrode and a bias resistor R8, R14, inductor L7, Riq resistance and inductance of transformer T3 L5 is closed, the midpoint of the inductor L4 through the inductor L9 and capacitor C9 connected to a DC bypass the low voltage + V, frequency modulation signal generator 9 outputs the sawtooth signal contact Q5 FET gate inhibition flashing lights, Q3, Q4 is grounded via a source resistor R9 connected to a current sampling resistor voltage drop Rn, resistor R11 and lamp abnormal current detector 11 via a resistor R12 connected to the signal Q5 FET gate, lamp the abnormal current detection tube 11 oscillating drive signal access control chip 4 lamp failure SD, the push-pull power amplifier output transformer 5! ^ 6 push-pull oscillator output transformer T3 synthesized by adding a power coupler 7, a boost over the lamp 8 pilot tube trigger circuit HPS starter 10, a reference oscillator 2信号经分频器3注入振荡驱动芯片4的RC振荡器Ct端锁定相位,由推挽放大器5变压器Ti与推挽振荡器6变压器T3在相加親合器7功率合成互親注锁频率牵引相干同步锁定相位,直流低压电源I接基准晶振2、分频器3、调频信号发生器9电源端。 2 injection signal frequency divider 3 Ct RC oscillator oscillating drive chip 4 side lock phase, a push-pull amplifier 5 and the push-pull transformer Ti oscillator 6 in addition affinity transformer T3 power combiner 7 mutual affinity injection lock frequency traction lock phase coherent synchronization, current low voltage source I connected to the reference oscillator 2, a frequency divider 3, a power supply terminal 9 FM signal generator.

[0014] IC4引脚符号功能:Vcc电源端,Ct接振荡定时电容C4,Rt接振荡定时电阻R2,Ho驱动Qi,Lo驱动Q2,CS电流检测,SD灯故障保护控制,COM接地。 [0014] IC4 Pin Symbol Function: Vcc power supply terminal, Ct timing capacitor connected to the oscillation C4, Rt then shaken timing resistor R2, Ho drive Qi, Lo drive Q2, CS current detection, SD lamp fail-safe control, COM ground.

[0015] IC5引脚符号功能:Vcc电源,TL低电平触发,TH高电平触发,Vmr复位,V。 [0015] IC5 Pin Symbol Function: Vcc power, TL low level trigger, TH high level trigger, Vmr reset, V. 电压控制,DIS放电端,Vo输出,GND接地。 Voltage control, DIS discharge end, Vo output, GND is grounded.

[0016]振荡驱动芯片IC4电源端Vcc由电阻R7降压,电容C8滤波供给产生振荡,它激振荡驱动推挽放大器Q1、Q2,轮流导通、截止半周;推挽振荡器自激振荡Q3、Q4轮流导通、截止半周,双推输出功率经相加耦合器叠加合成拖动大功率灯具,扩容可靠,但要求两个振荡电压相位一致,以消除非线性互调功率不均衡获取稳定的输出功率。 [0016] The oscillation drive chip IC4 power terminal Vcc is generated by the step-down resistor R7, capacitor C8 is supplied oscillation filter, it is oscillating driving push-pull amplifiers Q1, Q2, alternately turned on and off half cycle; self-oscillating push-pull oscillator Q3, Q4 alternately turned on and off half cycle of the output power by adding the push-push coupler superposed drag synthetic high power lamps, reliable expansion, but requires two voltages in phase with the oscillation, non-linear intermodulation power in order to eliminate the imbalance obtain stable output power. 为此,引入注入锁相解决功率合成相位同步技术。 For this reason, the introduction of a power injection locking solution phase synthesis synchronization.

[0017]基准晶振石英谐振器频率受温度变化极小,高度稳定。 [0017] The quartz crystal resonator frequency reference by a temperature change is extremely small, highly stable. 基准信号经分频器注入振荡驱动芯片锁定相位。 Reference oscillation signal frequency divider injection lock phase driver chips. 未注入基准信号振荡驱动芯片IC4的RC振荡器自由频率,注入基准信号RC振荡电压与其矢量合成,通过RC振荡器非线性变频锁定相位,振荡信号与注入基准信号仅有一个固定的相位差。 Reference oscillating drive signal is not injected into the chip RC oscillator IC4 free frequency, the reference signal injection RC oscillating voltage thereto vector synthesis, by non-linear RC oscillator frequency lock phase, the reference oscillation signal with the injection signal is only a fixed phase difference. 同步带宽与注入功率正比,与RC振荡器有载Q值反比,由于基准信号注入在输入端,增益高,小功率锁定。 Synchronous bandwidth is proportional to the injected power, the RC oscillator is inversely proportional to the loaded Q value, since the reference signal injected at the input of the high gain, low power lock. 分频器IC3 二进制或十进制计数器分频。 Divider IC3 binary or decimal counter divider.

[0018]注入锁相无需压控调谐、鉴相和环路滤波,因此电路简单,附加成本低。 [0018] without injection locking voltage-controlled tuning, loop filter and phase, the circuit is simple and low additional costs. 注入锁相本质上与环路锁相没差别,性能优越,相加耦合器叠加推挽放大器和推挽振荡器输出功率合成,“紧密捆绑”互耦注锁效应推挽放大器牵引推挽振荡器频率相干同步锁定相位,适于功率合成灯具稳定振荡频率相位同步,避免器件温升过高功率失衡,稳定灯光延长使用寿命O And the injection locking is not essentially different lock loop, superior performance, adding a coupler superposed push-pull amplifier and push-pull oscillator output power combiner, "closely tied" mutual locking effect push-pull amplifier coupled Note traction pull oscillator frequency coherence synchronization lock phase, the power combiner is adapted to stable lighting phase synchronization oscillation frequency, the device temperature is too high to avoid power imbalances, extend the life of the light stabilizer O

[0019]相加耦合器T4电感Liq将两个推挽输出功率变压器T^T3电感L2、L6反相激励电流叠加,相位差180°低次谐波相互抵消,输出电流变换加倍总和送到灯负载,输入电压、频率、相位及负载相同,电流相等均衡电阻Rn无功率损耗。 [0019] T4 inductive coupler Liq adding the two push-pull output transformer T ^ T3 inductor L2, L6 reverse-phase excitation current is superimposed, a phase difference of 180 ° low-order harmonics cancel each other, the sum of the output current is doubled to transform lamp loads, the input voltage, frequency, phase and load, the current balancing resistor Rn is equal to no power loss.

[0020] 推挽振荡器T2、T3双变压器振荡,输出变压器T3不饱和,功效高。 [0020] The push-pull oscillator T2, T3 double oscillation transformer, the output transformer T3 unsaturated high efficiency. 谐振频率调L4,振荡反馈调电阻R1或电感L5,调整频率和反馈互不牵连。 Resonant frequency modulation L4, adjusting the oscillation feedback resistor R1 or inductance L5, and do not adjust the frequency and the feedback involved.

[0021]调频信号发生器,时基芯片1(:5多谐振荡产生低频锯齿波信号,电容C19接场管Q6源极自举正反馈,电容C15充电时,电阻R22压降不变使充电速率不变,保障波形线性,频率调制自振荡芯片RC振荡器,线性锯齿波围绕基准晶振注锁中心频率周期变化,消除灯管电弧驻波声共振点,抑制闪烁稳定灯光。直流高压发生器与抑闪调频信号发生器由同一个时基芯片IC5 555产生振荡升压、整流及滤波,一举两得。 [0021] The frequency modulation signal generator, a timer chip (: 5 multivibrator generates a low frequency sawtooth signal, the capacitor C19 connected to the source field bootstrap transistor Q6 positive feedback, while charging the capacitor C15, resistor R22 constant charging voltage drop rate constant, linear protection waveform, the self-oscillation frequency modulated chip RC oscillator, linear sawtooth oscillator injection lock around the reference center frequency cycle, to eliminate standing wave resonance point of the arc tube, light stability suppress flicker. DC high voltage generator and a frequency modulation signal generator flash suppression timer chip IC5 555 generates an oscillation boosting rectified and filtered by the same, serve two purposes.

[0022] 灯管触发电路由直流高压经电阻R25;高频电压经电容&2、电阻R16对电容C13充电,当电压充至双向触发二极管VD2导通,电流经脉冲点火变压器T5电感L12,由电感L13感生高压脉冲,触发高压钠灯管G气体导通启辉。 [0022] Lamp trigger circuit via a resistor R25 from the DC high voltage; 2 & high-frequency voltage through a capacitor, resistor R16 charge the capacitor C13, when the charged voltage to the diac VD2 turn, the current through the ignition transformer T5 pulse inductor L12, an inductance L13 induced high voltage pulse and high voltage sodium lamp is turned on the gas G starter. 灯管启辉后,VD2不再产生触发脉冲。 After the lamp is struck, VD2 no longer generate trigger pulses. 引入直流高压触发易使灯管启辉。 DC high voltage trigger is easy to make the introduction of the lamp is struck.

[0023] 灯异常电流磁环电感Li6电压二极管VDi检波,电阻Ris、电容Ci4滤波经电阻Ri2,电容&0使仏导通,推挽振荡器功率管Q3、Q4截止;振荡驱动芯片IC4灯故障控制器SD控制停振,保护推挽放大器Q1、Q2。 [0023] The abnormal current magnetic inductance Li6 lamp voltage VDi diode detector, resistance Ris, the filter capacitor via a resistor Ri2 of Ci4, so that the capacitance 0 & Fo turned, the push-pull tube power oscillator Q3, Q4 is turned off; IC4 lamp failure oscillation driving control chip SD is controlled to stop, to protect the push-pull amplifier Q1, Q2. 同时,灯异常电流电阻R6压降经电阻R4、电容C6使芯片IC4电流检测CS开启保护Q1、Q2;灯异常电流电阻R9压降经电阻Rn、电容Ciq进而使Q5导通,双重保护Q3、Q4。 Meanwhile, the lamp current abnormal voltage drop of the resistor R6 via the resistor R4, capacitor C6 IC4 of the chip opening of the protective current detector CS Q1, Q2; abnormal lamp current drop resistor R9 via a resistor Rn, thereby enabling the capacitor Ciq Q5 is turned on, double protection Q3, Q4.

[0024] 实施例直流低压电源30V,逆变电流2.6A,匹配70W高压钠灯管,逆变效率89 %,长期昼夜开灯照明,功率管温升在允许值范围内,灯光稳定。 [0024] Example low voltage DC power supply 30V, inverter current 2.6A, 70W HPS tube match, inverter 89% efficiency, a long day and night illumination lights, power management within an allowable temperature range, light stability.

Claims (1)

1.一种直流低压电源注锁功率合成高压钠灯,包括直流低压电源、高压钠灯管,其特征在于:还包括基准晶振、分频器、型号IR2156振荡驱动芯片、推挽放大器、推挽振荡器、相加耦合器、灯管触发电路、调频信号发生器,其中,基准晶振由石英晶体谐振器、两个反相器及电阻、电容组成,第一个反相器输入端连接偏置电阻一端,第一个反相器输出端连接偏置电阻的另一端,同时,第一个反相器输入端还连接石英晶体谐振器一端,石英晶体谐振器另一端串联微调电容连接到第一个反相器输出端,第一个反相器输入端与输出端分别连接电容C1和电容C2的一端,电容C1和电容C2的另一端接地,基准晶振输出信号经第二个反相器接入分频器,振荡驱动芯片内含RC振荡器、推挽放大驱动电路、电流检测CS、灯故障控制SD,RC振荡器外接电阻R2、电容C4产生振荡,芯片 A low-voltage power DC power combining high pressure sodium injection locking, comprising a low voltage DC power supply, high pressure sodium lamp, characterized by: further comprising a reference oscillator, a frequency divider, oscillator driver IR2156 chip type, push-pull amplifiers, the push-pull oscillator , adding couplers, lamp trigger circuit, the FM signal generator, wherein the reference oscillator by a quartz crystal resonator, two inverters and resistors, capacitors, a first inverter input terminal connected to one end of the bias resistor , the other end of the first inverter output terminal connected to a bias resistor, while a first inverter input terminal is also connected to one end of a quartz crystal resonator, the other end of the quartz crystal resonator is connected in series to the first tuning capacitor trans phase output terminal, a first inverter input terminal and the output terminal respectively connected to one end of the capacitor C1 and the capacitor C2, the other end of the capacitor C1 and the capacitor C2, the reference oscillator output signal via a second inverter access points frequency divider, the oscillation drive containing the chip RC oscillator, a push-pull driver circuit amplification, the CS current detecting, controlling the SD lamp fault, RC oscillator external resistor R2, capacitor C4 oscillation, chip 源端Vcc接电阻R7和电容C8的一端,电阻R7另一端连接直流低压电源,电容C8另一端接地,直流低压电源还连接电感L3—端和电容C7的一端,电感L3另一端接变压器1^电感L1中点,电容C7另一端接地,芯片输出端子HO、LO分别连接推挽放大器两个大功率MOS场效应管&栅极、Q2栅极,Q1漏极、Q2漏极分别连接变压器T1电感L1两端,Q1源极、Q2源极之间串联电阻R6,Q2源极接电阻R4—端、电阻R4另一端接电容C6的一端和芯片的CS端子,电容C6的另一端接地; 推挽振荡器由两个大功率MOS场效应管Q3漏极、Q4漏极分别连接变压器T3电感L4两端,Q3栅极、Q4栅极分别连接变压器T2电感L8两端,电感L4中点经电感L9接直流低压电源,电容C9 一端接地,另一端接直流低电压电源,Q3源极、Q4源极互连端经电阻R9接地,电感L8中点连接场效应管Q5漏极和电阻R8、电阻R14—端,电阻R14另一端接直流低 One end of resistor R7 connected to the source terminal Vcc and the capacitor C8, the other end of the resistor R7 is connected low voltage DC power source, other end of the capacitor C8, the DC power supply is also connected to the low pressure end of the inductor and capacitor C7 L3- end of the other end of the inductance L3 of the transformer 1 ^ the midpoint of the inductor L1, a capacitor C7 the other end, the chip output terminal HO, LO are connected to two push-pull amplifier power MOS FET & gates, Q2 gate, a drain Ql, Q2 are connected to the drain of the inductor transformer T1 ends L1, Q1 source, Q2 between the source electrode series resistance R6, Q2 R4- source terminal resistor, one end and the other end of the chip resistor R4 to the other end of the capacitor C6 CS terminal, the capacitor C6; push-pull oscillator by two power drain MOS transistor Q3, Q4 are connected to the drain of the inductor L4 at both ends of the transformer T3, the gate of Q3, Q4 are connected to the gate of the inductor L8 at both ends of the transformer T2, inductor L9 through the midpoint of the inductor L4 DC low voltage power supply connection, the capacitor C9 to ground at one end, the other end of low voltage DC power supply, Q3 source, Q4 terminal of the source interconnect to ground via a resistor R9, the midpoint of the inductor L8 is connected the drain of the FET Q5 and the resistor R8, resistor R14 - end, the other end of resistor R14 DC low 电源,电阻R8另一端接地,变压器T2电感L7—端与变压器T3电感L5 —端互连,变压器T2电感L7另一端与变压器T3电感L5另一端之间串联电阻R1Q, Q3源极、Q4源极互连并连接取样电阻R9的一端,电阻R9的另一端接地,电阻R9—端的电流取样信号经电阻Rn输入场效应管Q5栅极,灯管异常电流检测信号经电阻R12接Q5栅极,灯管异常电流检测器信号还输入到振荡驱动芯片灯故障控制端SD; 推挽放大器输出功率变压器TI的次级线圈输出信号与推挽振荡器输出功率变压器T 3的次级线圈输出信号接入相加耦合器T4进行功率合成、升压经灯管触发电路引燃高压钠灯启辉,基准晶振信号经分频器注入振荡驱动芯片RC振荡器Ct端锁定相位,由推挽放大器变压器!^与推挽振荡器变压器T3在相加耦合器功率合成互耦注锁频率牵引相干同步锁定相位,调频信号发生器输出锯齿波信号接场效应管 Power source, other end of the resistor R8, and the end of the transformer T2 L7- inductance transformer T3 inductor L5 - end interconnected, the series resistance of inductor L7 R1Q between transformer T2 and the other end of the inductor L5 and the other end of the transformer T3, Q3 source, Q4 source interconnected and connected to an end of the sampling resistor R9, the other end of the resistor R9, the ends of the current sampling resistor R9- signal input via a resistor Rn gate of the FET Q5, abnormal lamp current detection signal via a resistor R12 connected to the gate of Q5, lamp tube abnormal current detection signal is also input to the oscillation control terminal of the driving chip lamp fault the SD; push-pull amplifier output power of the transformer secondary winding TI push-pull oscillator output signal and the output signal of the output power of the transformer secondary winding 3 of the T-phase access add coupler for power synthesis T4, lamp trigger circuit via the boost pressure sodium lamp ignition starter, the reference oscillator signal injection frequency divider chip RC oscillator oscillating drive end Ct lock phase, the transformer push-pull amplifier! ^ and push in addition transformer T3 pull oscillator power combiner coupler injection lock frequency pulling mutual coupling lock phase coherent synchronization, frequency modulation signal generator outputs a ramp signal connected FET Q5栅极调频抑制灯光闪烁,直流低压电源接基准晶振、分频器、调频信号发生器电源端; 调频信号发生器由型号555时基芯片IC5、电阻R2Q、电阻R21、电阻R22和电容Cl5多谐振荡,场效应管Q6漏极和电阻R22 —端接芯片IC5的VMR端,电阻R22另一端与电阻R21 —端、电容Cl9的一端连接,电阻R21另一端与电阻R2Q—端及电阻R19—端并联到芯片DIS端,电阻R19另一端接Q6栅极,电阻R2Q另一端连接芯片TH、TL端和电容C15的一端,电容C15另一端、电阻R18的一端接地,电容C19另一端与电阻R18另一端接Q6源极自举正反馈,输出线性锯齿波信号接入两个自振荡芯片RC端调频抑制灯光闪烁; 灯管触发电路由高压钠灯管G—端串联脉冲点火变压器T5电感L13、电容C12接相加耦合器T4电感Lll一端,相加親合器T4电感Lll另一端接地,电容Cl2与脉冲点火变压器T5电感Ll3接点并联电阻Rl6的一端,脉冲点火 Q5 FM suppressing gate flashing lights, low voltage DC power supply connected to the reference oscillator, frequency divider, a frequency modulated signal generator supply terminal; Model FM signal generator 555 by a time base chip IC5, resistors R2Q, resistor R21, resistor R22 and capacitor multi-Cl5 harmonic oscillation, the drain of FET Q6 and the resistor R22 - VMR chip IC5 terminating end and the other end of the resistor R22 and the resistor R21 - terminal end, Cl9 capacitor is connected to the other end of the resistor R21 and the resistor terminal of the resistor R2Q- R19- DIS parallel to the chip end side, the other end Q6 gate resistor R19, the other end of the resistor connected to the chip R2Q TH, TL end terminal connected to ground and capacitor C15, and the other end of the capacitor C15, the resistor R18, the other end of the capacitor C19 and the resistor R18 the other end of bootstrap source Q6 positive feedback, the output from the two linear oscillating sawtooth signal access terminal FM chip RC inhibition flashing lights; high pressure sodium lamp trigger circuit by a pulse tube G- end of the series inductor L13 ignition transformer T5, capacitor C12 summing the inductor Lll end coupling T4, T4 adding an affinity inductor Lll other end, one end of the capacitor of the pulse ignition transformer T5 Cl2 inductor shunt resistor Rl6 Ll3 contacts of the ignition pulse 压器T5电感Ll2的一端连接电容Cl3 —端和电阻Rl6的另一端,电容C13另一端接地,双向触发二极管VD2—端接脉冲点火变压器1~5电感L12的另一端,双向触发二极管VD2另一端接地,直流高压发生器由555时基芯片1(:5振荡输出电压接变压器T6电感Ll4,经电感Ll5升压连接二极管VD3整流后,再连接电容Cl7、电阻R24滤波,由电阻R25连接到电容Ci2与脉冲点火变压器T5电感Li3的接点上,灯管G另一端穿过灯异常检测磁环互感电感Ll6接地。 Inductance T5 pressure Ll2 capacitance connected to one end Cl3 - end and the other end of resistor Rl6, the other end of the capacitor C13, the other end of the two-way trigger diode L12 VD2- terminate the pulse ignition transformer inductor 1 to 5, the other end of the two-way trigger diode VD2 ground, by a DC high voltage generator 555 chip 1 (: 5 oscillation output voltage differential transformer T6 LL4 inductors, inductor Ll5 after boost rectifier diode VD3 is connected, and then connected to the capacitor CL7, the filter resistor R24, a resistor R25 is connected to capacitor Ci2 pulse ignition transformer T5 contacts the Li3 inductor, the other end of the lamp through the lamp abnormality detecting magnetic G mutual inductor Ll6 ground.
CN 201310155871 2013-04-15 2013-04-15 Note lock current low voltage source a power combiner HPS CN104105311B (en)

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US5394064A (en) * 1993-10-15 1995-02-28 Micro-Technology Inc.-Wisconsin Electronic ballast circuit for fluorescent lamps
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US20060006816A1 (en) * 2004-07-07 2006-01-12 Osram Sylvania Inc. Resonant inverter including feed back circuit having phase compensator and controller
CN201957316U (en) * 2011-04-03 2011-08-31 阮树成 High-pressure sodium lamp with direct-current low-voltage power supply and double push -pull oscillators
CN202068653U (en) * 2011-04-03 2011-12-07 张根清 Double push-pull oscillation power synthesis electroless lamp utilizing direct-current low-voltage power supply

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394064A (en) * 1993-10-15 1995-02-28 Micro-Technology Inc.-Wisconsin Electronic ballast circuit for fluorescent lamps
US6069458A (en) * 1995-09-20 2000-05-30 Minebea Co., Ltd. Power supply circuit device for a high intensity discharge lamp that repetitively lights the lamp using a pulse-by-pulse mode current limiting function
US20060006816A1 (en) * 2004-07-07 2006-01-12 Osram Sylvania Inc. Resonant inverter including feed back circuit having phase compensator and controller
CN201957316U (en) * 2011-04-03 2011-08-31 阮树成 High-pressure sodium lamp with direct-current low-voltage power supply and double push -pull oscillators
CN202068653U (en) * 2011-04-03 2011-12-07 张根清 Double push-pull oscillation power synthesis electroless lamp utilizing direct-current low-voltage power supply

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