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Publication numberCN101227785 B
Publication typeGrant
Application numberCN 200710019587
Publication date20 Apr 2011
Filing date18 Jan 2007
Priority date18 Jan 2007
Also published asCN101227785A
Publication number200710019587.0, CN 101227785 B, CN 101227785B, CN 200710019587, CN-B-101227785, CN101227785 B, CN101227785B, CN200710019587, CN200710019587.0
Inventors骆中心
Applicant史俊生
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
Timing dimming circuit of high voltage sodium lamp electronic ballast and operating method thereof
CN 101227785 B
Abstract
The invention discloses a timing light modulation circuit of a high-pressure sodium lamp electronic amperite and a method for working, wherein the timing light modulation circuit comprises a decompression filter circuit, a wave shaping circuit, a frequency dividing circuit and a switching circuit which are connected with alternating current, wherein an output end of the decompression filter circuit is connected with a shaping signal input end of the wave shaping circuit, the shaping signal output end of the wave shaping circuit is connected with a frequency dividing signal input end of the frequency dividing circuit, a frequency dividing signal output end of the frequency dividing circuit is connected with a timing control signal input end of the wave shaping circuit, a timing control signal output end of the wave shaping circuit is connected with a locking control input end of the frequency dividing circuit and an on-off control input end of the switching circuit, and a power controloutput end of the switching circuit is used to connect with a power control input end of the high-pressure sodium lamp electronic amperite to control output power of the high-pressure sodium lamp electronic amperite, which regulates the output power of the high-pressure sodium lamp in different time segments according to practical illuminating brightness requirements and realizes illuminating energy-saving.
Claims(4)  translated from Chinese
1. 一种高压钠灯电子镇流器的定时调光电路,其特征在于:包括用于与交流电相连的降压滤波电路(11)、用于将所述交流电的正弦波整形为矩形波的整形电路(12)、用于对所述交流电的频率进行分频的分频电路(13)和开关电路(14);降压滤波电路(11)的输出端接整形电路(12)的整形信号输入端;整形电路(12)的整形信号输出端接分频电路(13)的分频信号输入端,分频电路(13)的分频信号输出端接整形电路(12)的定时控制信号输入端;整形电路(12)的定时控制信号输出端接分频电路(13)的锁定控制输入端和开关电路(14)的开关控制输入端;开关电路(14)具有可输出不同电平的功率控制输出端, 用于与高压钠灯电子镇流器的功率控制输入端相连以控制高压钠灯电子镇流器的输出功率;所述分频电路(13)包括第一分频电路(13-1)和第二分频电路(13-2);第一分频电路(13-1)的分频信号输出端接第二分频电路(13-2)的分频信号输入端;分频电路(13) 的分频信号输入端即为第一分频电路(13-1)的分频信号输入端;分频电路(13)的分频信号输出端即为第二分频电路(13-2)的分频信号输出端;分频电路(13)的锁定控制输入端即为第一分频电路(13-1)的锁定控制输入端;降压滤波电路(11)中,与交流电相连的降压电阻R61依次串接滤波电感(Lll)、分压电阻R64后接整形电路(12)的整形信号输入端;电阻R63与滤波电容C31相并联构成滤波电路设于滤波电感Lll 一端和地线之间;电容C32设于滤波电感Lll另一端和地线之间。 1. A high-pressure sodium lamp electronic ballast dimming timing circuit comprising: a filter circuit for the buck and AC coupled (11), for shaping the AC sine wave is a rectangular wave shaped circuit (12) for the alternating current frequency divider divider circuit (13) and a switch circuit (14); buck filter circuit (11) output termination shaping circuit (12) is shaped signal input end; shaping circuit (12) shaping the signal output end of the frequency dividing circuit (13) dividing the signal input terminal, frequency divider circuit (13) for dividing a signal output end of the shaping circuit (12) of the timing control signal input terminal ; shaping circuit (12) of the timing control signal output end of the frequency divider circuit (13) to lock the control input and a switching circuit (14) of the switch control input; a switching circuit (14) having different levels of power output control an output terminal, the power control input for high pressure sodium lamp electronic ballast is connected to control the high pressure sodium lamp electronic ballast output power; said frequency dividing circuit (13) comprises a first frequency dividing circuit (13-1) and second frequency dividing circuit (13-2); a first divider circuit (13-1) for dividing the output signal of the second frequency dividing circuit termination (13-2) of the input frequency-divided signal; a frequency dividing circuit (13 ) input terminal of the frequency-divided signal is a first frequency divider circuit (13-1) of the frequency-divided signal input; divided signal output of frequency divider circuit (13) is a second frequency dividing circuit (13-2) The divided signal output terminal; (11), connected to drop down the AC filter circuit; frequency divider circuit (13) is the lock control input terminal of the first frequency divider circuit (13-1) of the lock control input followed by series resistor R61 filter inductor (Lll), after dividing resistor R64 connected to the shaping circuit (12) is shaped signal input terminal; resistor R63 in parallel with the filter capacitor C31 constitute a filter circuit provided on one end of the filter inductor and ground the Lll Inter; filter capacitor C32 is provided between the other end of the inductor and ground Lll.
2.根据权利要求1所述的高压钠灯电子镇流器的定时调光电路,其特征在于:所述整形电路(12)为施密特模块电路。 The high pressure sodium lamp electronic ballast according to the timing of a light control circuit as claimed in claim wherein: said shaping circuit (12) is a Schmitt circuit module.
3.根据权利要求1所述的高压钠灯电子镇流器的定时调光电路,其特征在于:所述开关电路(14)为模拟开关模块电路。 3. The high-pressure sodium lamp electronic ballast according to the timing of a light control circuit as claimed in claim wherein: said switching circuit (14) for the analog switch circuit module.
4.根据权利要求1-3之一所述的高压钠灯电子镇流器的定时调光电路的工作方法,包括如下步骤:A、交流电作为信号源经降压滤波电路(11)后送入整形电路(12)的整形信号输入端;B、整形电路(12)将所述交流电的正弦波整形为矩形波,并从其定时控制信号输出端输出该矩形波至分频电路(13)的分频信号输入端;C、分频电路(13)对所述矩形波进行分频,并将分频后的所述矩形波送至整形电路(12)的定时控制信号输入端;D、当整形电路(12)的定时控制信号输入端测得完整周期的所述分频后的矩形波时,整形电路(12)的定时控制信号输出端输出高电平至分频电路(13)的锁定控制输入端和开关电路(14)的开关控制输入端,以使分频电路(13)的分频信号输出端的输出电平不变,同时提升并保持开关电路(14)的功率控制输出端的电平,用于降低并保持高压钠灯电子镇流器输出功率。 Timing dimming circuit working method according to claim one of the high-pressure sodium lamp electronic ballast 1-3, comprising the steps of: A, AC down as the signal source through the filter circuit (11) into the plastic after shaped signal input circuit (12); B, shaping circuit (12) of said sine wave shaped AC rectangular wave, and an output from the timing control signal output terminal of the rectangular wave to a frequency dividing circuit (13) of the sub- frequency signal input terminal; C, frequency divider circuit (13) for dividing the square wave and the square wave of frequency division to the shaping circuit (12) of the timing control signal input terminal; D, when shaping When the circuit (12) of the timing control signal input measured full cycle of the rectangular wave after frequency division timing control signal output shaping circuit (12) to output high frequency divider circuit (13) of the lock control inputs and switching circuit (14) switching control input, so that the divider circuit (13) dividing the signal output of the output level unchanged, while improving and maintaining the switching circuit (14) power control output level for reducing and maintaining high pressure sodium electronic ballast output.
Description  translated from Chinese

高压钠灯电子镇流器的定时调光电路及其工作方法 Timing dimming circuit and its working methods HPS electronic ballast

技术领域 Technical Field

[0001] 本发明涉及一种高压钠灯电子镇流器的定时调光电路及其工作方法。 [0001] The present invention relates to a high-pressure sodium lamp electronic ballast dimming timing circuit and its working methods. 背景技术 Background

[0002] 高强度气体放电灯(HID灯)是用途极为广泛的新型节能型电光源,与白炽灯相比有节能、体积小、光谱好、发光效率高、寿命长等优点,已逐渐成为公共场所及家庭照明的首选光源。 [0002] The high-intensity discharge lamp (HID lamp) is used widely in the new energy-saving light source, compared with incandescent energy saving, small size, good spectrum, high luminous efficiency, long life and other advantages, it has become public breaks and preferred source of home lighting. 与所有的气体放电电光源一样,高压钠灯需要镇流器来抑制流过HID 灯的电流,而且启动时需要3〜4kV的气体击穿电压。 As with all gas discharge light sources, high pressure sodium lamp ballasts need to suppress the current flowing through the HID lamp, but also 3~4kV gas breakdown voltage startup.

[0003] 中国专利文献CN2847788公开了一种高压钠灯电子镇流器,包括有依次连接的滤波电路、第一整流电路、功率因数校正电路、高频变换电路和启动电路,上述高频变换电路连接PWM脉冲控制电路,上述功率因数校正电路、PWM脉冲控制电路和启动电路均与低压直流电路连接,滤波电路与低压直流电路之间还连接有第二整流电路,第二整流电路具有独立的接地。 [0003] China Patent Document CN2847788 discloses a high pressure sodium lamp electronic ballasts, including a filter circuit connected in sequence, the first rectifier circuit, power factor correction circuit, high frequency conversion circuit and starting circuit, said high-frequency conversion circuit connection PWM pulse control circuit, said power factor correction circuit, PWM pulse control circuit and the starting circuit are connected to the low-voltage DC circuit, it is also connected to a second rectifying smoothing circuit and low voltage circuit between the DC circuit, a second rectifier circuit having a separate ground.

[0004] 随着社会发展,能源紧缺是将长期存在的问题,对节能的要求越来越高,在道路照明方面,要求在上半夜车辆人流较多时,照明效果要求较高,而到下半夜车辆人流少时,为达到节能的目的,要求将灯光亮度调暗些。 [0004] With the social development, energy shortage is a long-standing problem, the increasingly high demand for energy, in terms of road lighting requirements when ShangBanYe vehicle pedestrian flow, lighting effects are higher, and by midnight vehicle flow is low, in order to achieve energy-saving purposes, requires some dim light levels.

发明内容 DISCLOSURE

[0005] 本发明的目的是提供一种可依实际照明亮度的要求在不同的时间段调整高压钠灯输出功率的高压钠电子镇流器的定时调光电路。 [0005] The object of the present invention is to provide an illumination as per the requirements of HPS adjust the output power at different times of the timing of the high-pressure sodium electronic ballast dimming circuit.

[0006] 为实现本发明的上述目的,本发明采用的技术方案如下: [0006] To achieve the above object of the present invention, the technical aspect of the present invention is used as follows:

[0007] 本发明的高压钠灯电子镇流器的定时调光电路,包括:用于与交流电相连的降压滤波电路、用于将所述交流电的正弦波整形为矩形波的整形电路、用于对交流电的频率进行分频的分频电路和开关电路;降压滤波电路的输出端接整形电路的整形信号输入端;整形电路的整形信号输出端接分频电路的分频信号输入端,分频电路的分频信号输出端接整形电路的定时控制信号输入端;整形电路的定时控制信号输出端接分频电路的锁定控制输入端和开关电路的开关控制输入端;开关电路具有可输出不同电平的功率控制输出端,用于与高压钠灯电子镇流器的功率控制输入端相连以控制高压钠灯电子镇流器的输出功率。 [0007] HPS electronic ballast of the present invention, a timing dimming circuit, comprising: a filter circuit for the step-down AC coupled, for shaping the AC sine wave is a rectangular wave shaping circuit, for The frequency of the alternating current dividing the divider circuit and a switch circuit; a signal output shaping circuit shaping termination divider circuit dividing signal input terminal points; shaping the signal input step-down filter circuit output termination shaping circuit timing control signal output termination shaping circuit divider circuit lock control switch inputs and the control input of the switching circuit;; frequency circuit timing control signal input terminal divided signal output termination shaping circuit switching circuit having different output level power control output, for use with high pressure sodium lamp electronic ballast power control input connected to a high pressure sodium lamp electronic ballast control output power.

[0008] 上述技术方案中,所述分频电路包括第一分频电路和第二分频电路;第一分频电路的分频信号输出端接第二分频电路的分频信号输入端;分频电路的分频信号输入端即为第一分频电路的分频信号输入端;分频电路的分频信号输出端即为第二分频电路的分频信号输出端;分频电路的锁定控制输入端即为第一分频电路的锁定控制输入端。 [0008] The above technical solution, the divider circuit includes a first divider circuit and a second divider circuit; the first divider circuit dividing the signal output end of the second divider circuit dividing signal input terminal; divider circuit dividing the signal output terminal is the second divider circuit dividing signal output terminal;; divider circuit dividing the input signal is first divided signal input terminal of the frequency divider circuit dividing circuit lock control input is locked frequency divider circuit control input of the first points.

[0009] 上述技术方案中,降压滤波电路中,与交流电相连的降压电阻R61依次串接滤波电感L11、分压电阻R64后接整形电路的整形信号输入端;电阻R63与滤波电容C31 相并联构成滤波电路设于滤波电感Lll 一端和地线之间;电容C32设于滤波电感Lll另一端和地线之间。 [0009] In the above aspect, the buck filter circuit, the AC voltage dropping resistor R61 connected in series successively filter inductor L11, the voltage dividing resistor R64 connected after shaping circuit shaping a signal input terminal; resistor R63 and capacitor C31 filter phase in parallel with the filter circuit is provided between the filter inductor Lll end and ground; capacitor C32 is provided between the other end of the filter inductor and ground Lll. [0010] 上述技术方案中,所述整形电路为施密特模块电路。 [0010] the technical proposal, the Schmitt shaping circuit module circuit.

[0011] 上述技术方案中,所述开关电路为模拟开关模块电路,开关电路具有功率控制输出端,用于与高压钠灯电子镇流器的功率控制输入端相连以控制高压钠灯电子镇流器输出功率。 [0011] In the above aspect, the switching circuit is an analog switch circuit module, a power control switch circuit having an output terminal, for use with high pressure sodium lamp electronic ballast is connected to the power control input for controlling the output of a high pressure sodium lamp electronic ballast power.

[0012] 上述高压钠灯电子镇流器的定时调光电路的工作方法,包括如下步骤: [0012] The timing of the dimming circuit working methods of the high pressure sodium lamp electronic ballast, comprising the steps of:

[0013] A、交流电作为信号源经降压滤波电路后送入整形电路的整形信号输入端; [0013] A, AC as a signal source, after filtering down into the shaping circuit shaping circuit signal input terminal;

[0014] B、整形电路将所述交流电的正弦波整形为矩形波,并从其定时控制信号输出端输出该矩形波至分频电路的分频信号输入端; [0014] B, shaping circuit shaping the AC sine wave is rectangular, and the timing control signal output from the output of the rectangular wave to the frequency divider circuit dividing signal input terminal;

[0015] C、分频电路对所述矩形波进行分频,并将分频后的所述矩形波送至整形电路的定时控制信号输入端; [0015] C, a frequency dividing circuit for dividing the square wave and the square wave of frequency division timing control signal supplied to the input of the shaping circuit;

[0016] D、当整形电路的定时控制信号输入端测得完整周期的所述分频后的矩形波时, 整形电路的定时控制信号输出端输出高电平至分频电路的锁定控制输入端和开关电路的开关控制输入端,以使分频电路的分频信号输出端的输出电平不变,同时提升并保持开关电路的功率控制输出端的电平,用于降低并保持高压钠灯电子镇流器输出功率。 [0016] D, when the rectangular wave of the timing control signal input terminal complete cycle measured shaping circuit of frequency division timing control signal output shaping circuit to output high frequency divider circuit lock control input and switch control input of the switching circuit, so that the divider circuit dividing the output of the signal output level unchanged, while improving and maintaining the power control output level switching circuit for reducing and maintaining high pressure sodium lamp electronic ballast output power.

[0017] 本发明相对于现有电子镇流器来说具有以下优点:(1)本发明以市交流电(在中国为50Hz)作为定时信号源,将交流电的正弦波整形为矩形波后分频,以生成用于控制整形电路的定时控制信号;当定时时间到时,整形电路的定时控制信号输出端控制开关电路的功率控制输出端的电平,即可改变高压钠灯电子镇流器的功率控制输入端的电压,最终得以控制高压钠灯电子镇流器的振荡频率,从而改变高压钠灯电子镇流器的输出阻抗,达到调光的目的。 [0017] The present invention is relative to the existing electronic ballast has the following advantages: (1) the present invention to City alternating current (in China to 50Hz) as a timing signal source, the AC sine wave shaped into a rectangular wave after dividing to generate a control signal for controlling the timing shaping circuit; when the regular time to time, the timing control signal output shaping circuit controls the switching circuit of a power control output level, you can change the high pressure sodium lamp electronic ballast power control voltage input, and ultimately to control the oscillation frequency of the high-pressure sodium lamp electronic ballasts, high pressure sodium lamp electronic ballast to change the output impedance, to achieve the purpose of dimming. 其中,分频电路把分频前为50Hz的矩形波分成周期为若干个小时的矩形波,即形成定时控制信号,所述定时时间即为分频后矩形波的周期,以满足在上半夜车辆人流较多时,道路照明灯以正常功率照明,而到下半夜车辆人流少时,则其降低照明功率。 Among them, the divider circuit dividing the front of 50Hz square wave into a period of several hours of a rectangular wave, which form the cycle timing control signal, the timing is a divided rectangular wave to meet in ShangBanYe vehicle When the pedestrian flow, road lighting at normal power lighting, and by midnight the vehicle flow is low, then the lower lighting power. (2)因现有的单个分频器仅能将50Hz的矩形波分频成周期为5小时以内的矩形波,故本发明分频电路包括多个分频电路,适于将市交流电的频率分解成更小的频率,进一步可延长分频后矩形波的周期,如达到6至8个小时,以进一步方便节能调控。 (2) due to the existing single frequency divider can only divide the rectangular wave of 50Hz into a rectangular wave period of 5 hours or less, so the present invention comprises a plurality of frequency dividing circuit frequency divider circuit, adapted to the frequency of the alternating current city broken down into smaller frequency division period was further extended rectangular wave, such as reach 6-8 hours, in order to further facilitate energy conservation regulation. (3)本发明中,降压滤波电路结构简单,成本低廉,降压和滤波效果好;整形电路为施密特模块电路,开关电路为模拟开关模块电路,结构简单、控制方便且成本低廉。 (3) of the present invention, the step-down filter circuit structure is simple, low cost, good buck and filtering effect; Schmitt shaping circuit module circuit, a switching circuit for the analog switch module circuit structure is simple, convenient and cost control.

附图说明 Brief Description

[0018] 为了使本发明的内容更容易被清楚的理解,下面根据的具体实施例及应用例并结合附图,对本发明进一步详细的说明,其中 [0018] In order to make the content of the present invention are more likely to be clearly understood that the specific embodiments and applications according to the following examples in conjunction with the accompanying drawings, the present invention is further described in detail, including

[0019] 图1是本发明的定时调光电路及可与其配合使用的高压钠灯电子镇流器的电路框图; [0019] FIG. 1 is a timing dimming circuit of the present invention and can be used with high-pressure sodium lamp electronic ballast circuit block diagram for use therewith;

[0020] 图2是本发明的高压钠灯电子镇流器的定时调光电路的电路原理图; [0020] FIG. 2 is a high-pressure sodium lamp electronic ballast of the present invention, the timing circuit dimming circuit diagram;

[0021] 图3是与本发明的定时调光电路相配合使用的高压钠灯电子镇流器的电路原理图。 [0021] FIG. 3 is a timing light control circuit of the present invention is compatible with the use of high-pressure sodium lamp electronic ballast circuit diagram.

具体实施方式 DETAILED DESCRIPTION

[0022] 实施例1[0023] 见图1,本发明的高压钠灯电子镇流器的定时调光电路,包括:降压滤波电路11、整形电路12、分频电路13和开关电路14;降压滤波电路11的输出端接整形电路12 的整形信号输入端;整形电路12的整形信号输出端接分频电路13的分频信号输入端,分频电路13的分频信号输出端接整形电路12的定时控制信号输入端;整形电路12的定时控制信号输出端接分频电路13的锁定控制输入端和开关电路14的开关控制输入端;开关电路14具有可输出不同电平的功率控制输出端,用于与高压钠灯电子镇流器的功率控制输入端相连以控制高压钠灯电子镇流器的输出功率。 [0022] Example 1 [0023] Figure 1, high pressure sodium lamp of the present invention, an electronic dimming ballast of the timing circuit, comprising: a step-down filter circuit 11, shaping circuit 12, the frequency dividing circuit 13 and the switch circuit 14; drop shaped voltage signal input terminal of the filter circuit 11, the output end 12 of the shaping circuit; Termination shaping circuit shaping the signal output of the frequency division circuit 12 frequency-divided signal input terminal, dividing the frequency divider circuit 13 outputs a signal shaping circuit 13 Termination timing control signal input terminal 12; a timing control signal output termination shaping circuit 12 locked frequency divider circuit 13 and the control input of the switching circuit 14 switches control input; a switch circuit 14 having different levels of power output control output end for the high-pressure sodium lamp electronic ballast power control input connected to a high pressure sodium lamp electronic ballast control output power.

[0024] 所述整形电路12为施密特模块电路U6,型号为CD4011BE,整形电路12用于将交流电中的正弦波和其它杂波转换为矩形波。 [0024] The shaping circuit 12 Schmitt module circuit U6, model CD4011BE, shaping circuit 12 for alternating current sine wave and other clutter into a rectangular wave. 开关电路14采用型号为CD4051BE的模拟开关模块U9。 Switching circuit 14 using the model of the analog switch module U9 CD4051BE.

[0025] 见图2,降压滤波电路11中,220V、50Hz的交流电经依次相串接的降压电阻R61、滤波电感L11、分压电阻R64后送入施密特模块电路U6的交流电源输入端即施密特模块电路U6的12和13脚;滤波电容C31和C32分别接滤波电感Lll两端后接地线, 电阻R63与滤波电容C31并联。 [0025] Figure 2, the buck filter circuit 11, 220V, 50Hz AC through successively in tandem dropping resistor R61, filter inductor L11, after dividing resistor R64 Schmidt module into AC power circuit U6 That is the input module circuit U6 Schmitt 12 and 13 feet; filter capacitors C31 and C32 are connected to the filter inductor ends after Lll ground line filter capacitor C31 and resistor R63 in parallel. 整形电路12的整形信号输出端为施密特模块电路U6的10脚。 Shaping circuit shaping the signal output terminal 12 to 10 feet of Schmidt module circuit U6. 施密特模块电路U6的10脚和13脚间设有电阻R65。 Schmidt module circuit between 10 feet and 13 feet with a U6 resistor R65. 电容C33设于U6的10脚和地线之间,以与R65构成滤波电路。 U6 capacitor C33 is provided between 10 feet and the ground, in order to constitute a filtering circuit with the R65.

[0026] 见图2,开关电路14功率控制输出端为模拟开关模块U9的14脚,其串接分压电阻R9和R70后与控制高压钠灯电子镇流器的功率控制输入端相连,以控制高压钠灯电子镇流器输出功率。 [0026] Figure 2, the output of 14 power control switch circuit for the analog switch module U9 14 feet, after its series voltage divider resistors R9 and R70 and control high-pressure sodium lamp electronic ballast power control input connected to control high pressure sodium lamp electronic ballast power output. 滤波电容C39设于模拟开关模块U9的14脚和地线之间;滤波电容C40设于分压电阻R70 —端和地线之间。 Filter capacitor C39 is provided between the analog switch module U9 14 feet and the ground; a filter capacitor C40 provided in the voltage divider resistors R70 - between terminals and ground. 电容C38和稳压管ZWl并联而构成的稳压滤波电路设于模拟开关模块U9的电源端16脚和地线之间。 Regulator filter circuit capacitor C38 and a parallel regulator ZWl constituted provided between the analog switch module U9 power terminal 16 and ground pins.

[0027] 上述高压钠灯电子镇流器的定时调光电路的工作方法,包括如下步骤: [0027] The timing of the dimming circuit working methods of the high pressure sodium lamp electronic ballast, comprising the steps of:

[0028] A、交流电作为信号源经降压滤波电路11后送入整形电路12的整形信号输入端; [0028] A, as the signal source via the AC filter circuit 11 after down into the shaping circuit shaping signal input terminal 12;

[0029] B、整形电路12将所述交流电的正弦波整形为矩形波,并从其定时控制信号输出端输出该矩形波至分频电路13的分频信号输入端; [0029] B, the shaping circuit 12 to a sine wave shaped AC rectangular wave, and the timing control signal from the output terminal of the rectangular wave to the frequency divider circuit dividing the signal input terminal 13;

[0030] C、分频电路13对所述矩形波进行分频,并将分频后的所述矩形波送至整形电路12的定时控制信号输入端;本实施例中,分频电路13对50Hz的交流电进行分频后, 所得矩形波的周期为4小时。 [0030] C, the frequency division circuit 13 frequency-divides the square wave and the square wave of frequency division timing control signal supplied to the input of the shaping circuit 12; the present embodiment, the frequency division circuit 13 50Hz AC after dividing, resulting periodic rectangular wave is 4 hours.

[0031] D、当整形电路12的定时控制信号输入端测得完整周期的所述分频后的矩形波时,整形电路12的定时控制信号输出端输出高电平至分频电路13的锁定控制输入端和开关电路14的开关控制输入端,以使分频电路13的分频信号输出端的输出电平不变,同时提升并保持开关电路14的功率控制输出端的电平,用于降低并保持高压钠灯电子镇流器输出功率。 [0031] D, when the timing of the rectangular wave shaping circuit control signal input terminal 12 measured full cycle of the divided timing control signal output shaping circuit 12 outputs a high level to lock the frequency divider circuit 13 control input and a switching circuit control input of the switch 14, so that the divider circuit dividing the output of the signal output level of 13 is unchanged, while improving and maintaining the switching circuit control output power level of 14, and for reducing maintaining high pressure sodium lamp electronic ballast power output.

[0032] 实施例2 [0032] Example 2

[0033] 在上述实施例的基础上,本实施例还可有如下变形: [0033] On the basis of the above-described embodiment, the present embodiment also has the following variants:

[0034] 见图1-2,所述分频电路13包括第一分频电路13-1和第二分频电路13-2,即型号均为CD4060BE的分频模块U7和U8 ;第一分频电路13_1的分频信号输出端(即分频模块U7的1脚)接第二分频电路13-2的分频信号输入端(即分频模块U8的11脚);上 [0034] Figure 1-2, the divider circuit 13 includes a first divider circuit 13-1 and the second frequency divider circuit 13-2, the models are CD4060BE division module U7 and U8; first points 13_1 frequency divider circuit signal output (ie frequency module U7 1 foot) then a second divider circuit 13-2 dividing signal input (ie frequency module U8 11 feet); the

5述实施例的分频电路13的分频信号输入端即为第一分频电路13-1的分频信号输入端(即分频模块U7的11脚);分频电路13的分频信号输出端即为第二分频电路13-2的分频信号输出端(即分频模块U8的7脚和13脚);整形电路12的定时控制信号输入端即施密特模块电路U6的5脚和6脚。 Divided signal input terminal of said frequency divider circuit 5 of the embodiment 13 is first divided input signal frequency dividing circuit 13-1 (i.e. frequency module U7 11 feet); frequency dividing circuit 13 frequency-divided signal 13-2 is the output of the frequency division signal output of the second frequency divider circuit (ie frequency module U8 7 feet and 13 feet); timing control signal input terminal 12 that is shaping circuit module circuit U6 Schmidt 5 feet and 6 feet. 分频模块U8的7脚和13脚分别接施密特模块电路U6 的5脚和6脚。 Frequency module U8 7 feet and 13 feet respectively, then Schmidt module circuit U6 5 feet and 6 feet. 分频模块U7的电源端16脚设有电阻R66和滤波电容C34组成的滤波电路;分频模块U8的电源端16脚设有电阻R67和滤波电容C37组成的滤波电路;滤波电容C35设于分频模块U7的电源端16脚和地线之间;滤波电容C36设于分频模块U8的11脚和地线之间。 Frequency module supply terminal U7 16 feet with a filter circuit resistor R66 and a filter capacitor C34 thereof; frequency module U8 pin 16 has a power supply terminal of the filter circuit resistor R67 and a filter capacitor C37 thereof; filter capacitor C35 provided in points U7 frequency module between the power supply terminal 16 and ground pins; filter capacitor C36 provided in the frequency module U8 between 11 feet and the ground.

[0035] 整形电路12的定时控制信号输出端(即施密特模块电路U6的3脚)接分频电路13的锁定控制输入端(即模拟开关模块U9的11脚)和开关电路14的开关控制输入端(即分频模块U7的12脚)。 The timing control signal output [0035] shaping circuit 12 (ie Schmidt module circuit U6 3 feet) then dividing circuit 13 lock control input (ie analog switch module U9 11 feet) and a switch circuit switch 14 control input (ie frequency module U7 12 feet).

[0036] 分频电路13的分频信号输入端即为第一分频电路13-1的分频信号输入端(即分频模块U7的11脚)。 [0036] The frequency dividing circuit 13 is frequency-divided signal input terminal 13-1 of the signal input of the first divider frequency divider circuit (i.e., the frequency module 11 U7 feet). 分频电路13的锁定控制输入端即为第一分频电路13-1的锁定控制输入端(即分频模块U7的12脚)。 Frequency dividing circuit 13 to lock the control input of the first frequency divider circuit 13-1 is the lock control input (i.e., the frequency module 12 U7 feet).

[0037] 见图2,本发明的高压钠灯电子镇流器的定时调光电路的工作过程如下: [0037] Figure 2, the timing of the dimming circuit working process of the present invention, high pressure sodium lamp electronic ballast as follows:

[0038] 50Hz的22V交流电作为信号源经降压滤波电路11后送入U6的12和13脚,交流电的正弦波整形后变为矩形波,并由10脚输出并送入U7的11脚进行第一次分频(第一次分频后所得矩形波的周期为3小时),分频后由U7的1脚输出,再送入U8的11脚进行第二次分频(第二次分频后所得矩形波的周期为6小时),分频后由U8的7脚和16脚输出矩形波,并分别送到U6的6脚和5脚。 22V AC [0038] 50Hz down as the signal source through the filter circuit 11 into the U6 after 12 and 13 feet, after the AC sine wave shaping into a rectangular wave by 10 feet out and 11 feet into the U7 conduct The first divider (divide cycle after the first wave of the resulting rectangle is 3 hours), after dividing by one pin output U7 and U8 11 feet and then into a second divider (second divider The resulting cycle rectangular wave is six hours), after dividing the U8 7 feet and 16 feet square wave output, and were sent to U6 6 feet and 5 feet. U6的3脚输出矩形波(即定时控制信号), 该矩形波分两路输出,一路送到U9的11脚,以控制开关电路U9的14脚的电平,当定时时间到时(即在降压滤波电路11得所述交流电满6小时后,其它实施例中可以是7小时或8小时),14脚与3脚(即地线端GND)构成一路开关去控制高压钠灯电子镇流器的功率控制输入端的电压,最终得以控制高压钠灯电子镇流器的振荡频率,从而改变高压钠灯电子镇流器的输出阻抗,达到调光的目的;另一路经二极管Dll后送到U7的12脚(复位端)作为复为信号,使U7的1脚变为低电频,以使U8的7脚和16脚的输出电位保持不变(即锁定),从而使开关电路U9的14脚的电平保持不变,以使高压钠灯保持较低的照明功率。 U6 3 feet square wave output (ie, timing control signals), it divides the square wave output, all the way to the U9 11 feet, in order to control the switching circuit U9 14 foot level, when the regular time to time (ie, After Buck was the AC filter circuit 11 over 6 hours, other embodiments may be 7 hours or 8 hours), 14 feet and 3 feet (ie, ground terminal GND) constitute one switch is to control the high pressure sodium lamp electronic ballast The power control voltage input terminal, and ultimately to control the oscillation frequency of the high-pressure sodium lamp electronic ballasts, high pressure sodium lamp electronic ballast to change the output impedance, to achieve the purpose of dimming; another path diode Dll U7 to 12 feet (reset terminal) as complex as the signal to 1 foot U7 goes low frequency so that the U8 of 7 feet and 16 feet of output potential remains unchanged (ie locked), so that the switch circuit U9 of 14 feet of power that level is maintained, so that the high pressure sodium lighting power is kept low.

[0039] 应用例1 [0039] Application Example 1

[0040] 见图1,与本发明的定时调光电路相配合使用的高压钠灯电子镇流器中,滤波电路1、第一整流电路2、功率因数校正电路3、高频变换电路4、启动电路5和限流电路9 依次相串联,滤波电路1经第二整流电路10后接低压直流电路6的电源端,低压直流电路6的直流电源输出端分别与功率因数校正电路3、保护电路7、和PWM脉冲控制电路8 的直流电源端相连。 [0040] Figure 1, high pressure sodium lamp electronic ballast with dimming circuit of the present invention, the timing of the use of matched filter circuit 1, a first rectifier circuit 2, a power factor correction circuit 3, a high frequency conversion circuit 4, starting circuit current limiting circuit 5 and 9 successively in series, the filter circuit 10 via the second rectifier circuit followed by low-voltage DC circuit power supply terminal 6, the DC power supply output low voltage DC circuit 6, respectively, power factor correction circuit 3, the protection circuit 7 DC power supply terminal and PWM pulse control circuit 8 is connected. 启动电路5保护检测信号输出端接保护电路7的保护检测信号输入端;保护电路7的第一保护控制输出端和第二保护控制输出端分别接功率因数校正电路3 的第一保护控制输入端和PWM脉冲控制电路8的第二保护控制输入端。 Start protection detection signal input terminal protection circuit 5 outputs a detection signal termination protection circuit 7; the protection circuit of the first protection control output and a second control output protection 7 are connected to the first input terminal of the protective control 3 power factor correction circuit and the PWM pulse control circuit of the second control input protection 8. PWM脉冲控制电路8的高频变换控制输出端接高频变换电路4高频变换控制输入端。 PWM pulse control circuit controls the output of high-frequency conversion 8 Termination high frequency converting circuit 4 high frequency conversion control input.

[0041] 滤波电路1对电网输入的电压信号进行滤波,滤波后的电压信号分别输出到第一整流电路2和第二整流电路10;第一整流电路2对输入的交流电进行整流,整流后的信号输出到功率因数校正电路3;第二整流电路10将输入的交流电进行整流,整流后的信号输出到低压直流电路6,第二整流电路10具有独立的接地,低压直流电路6将输入的信号进行转换,输出一个稳定的低压直流电15V,为功率因数校正电路3、PWM脉冲控制电路8以及保护电路7中的有源器件供电。 [0041] The filter circuit 1 of the power input voltage signal is filtered, the filtered voltage signals are output to the first rectifier circuit 2 and the second rectifying circuit 10; a first rectifying circuit 2 rectifies the AC input, rectified signal output to the power factor correction circuit 3; a second AC input rectifier circuit 10 rectifies the signal to the rectified low voltage DC circuit 6, a second rectifier circuit 10 has a separate signal ground, low-voltage DC input circuit 6 conversion, the output of a stable low-voltage DC 15V, the power factor correction circuit 3, PWM pulse control the power supply circuit 8 active device and a protection circuit 7. 功率因数校正电路3将输入信号进行转换,输出一个稳定的直流电压400V,通过高频变换电路4给高压钠灯供电。 Power factor correction circuit 3 converts input signals and outputs a stable DC voltage 400V, high-frequency power supply to HPS conversion circuit 4. PWM脉冲控制电路8输出高频变换控制信号控制高频变换电路4导通。 PWM pulse control circuit 8 outputs to control high frequency high frequency conversion control signal converting circuit 4 is turned on. 高频变换电路4与高压钠灯之间连接有限流电路9。 The connection between the high frequency converting circuit 4 and the high pressure sodium current limiting circuit 9. 保护电路7对高压钠灯HID发生开路或短路的意外故障起保护作用。 Unexpected fault protection circuit 7 HPS HID open- or short-circuit protection.

[0042] 见图3,滤波电路1包括压敏电阻RU、电容Cl、C2、C3、C4以及高频电感Li。 [0042] Figure 3, the filter circuit 1 comprises a varistor RU, capacitors Cl, C2, C3, C4 and a high frequency inductor Li. 其中,电容C3、C4的接点接地保护。 Among them, the capacitor C3, C4 contacts ground protection.

[0043] 第一整流电路2由桥式整流电路KBl和电容C6组成。 [0043] The first rectifier circuit 2 is composed of a bridge rectifier and a capacitor C6 KBl composition.

[0044] 第二整流电路10由桥式整流电路KB2和电解电容E3组成。 [0044] The second rectifier circuit 10 is composed of a bridge rectifier circuit composed of E3 KB2 and electrolytic capacitors.

[0045] 功率因数校正电路3由型号为MC33262功率因数校正器Ul以及外围的电阻R1-R12、电解电容E1、电容C7、C8、C9、C10、变压器Tl、场效应管Q1、二极管Dl 构成。 [0045] Power factor correction circuit 3 is composed of models for the MC33262 power factor correction Ul and the external resistors R1-R12, electrolytic capacitor E1, capacitors C7, C8, C9, C10, transformer Tl, FET Q1, diode Dl composition.

[0046] 高频变化电路4采用的是半桥逆变电路,包括场效应管Q4、Q5,变压器T3、 电容C24、C25、二极管D8、D9、D10,稳压管Z3、Z4、Z5,电阻R28、R29、R30、 R31、R38,三极管Q2、Q3。 [0046] The high frequency changing circuit 4 uses a half-bridge inverter circuit including field effect transistors Q4, Q5, transformer T3, capacitor C24, C25, diode D8, D9, D10, the regulator Z3, Z4, Z5, resistance R28, R29, R30, R31, R38, transistor Q2, Q3.

[0047]启动电路 5 包括电阻R34、R35、R36、R40、R41、R42、R43、R44、R45、电容C40、C26以及可控硅Q6、双向二极管DB3。 [0047] starting circuit 5 includes a resistor R34, R35, R36, R40, R41, R42, R43, R44, R45, capacitors C40, C26 and SCR Q6, bidirectional diode DB3.

[0048] 低压直流电源6包括有型号为TOP211Y的开关电源单片机U2、型号为4N25的光电耦合器U3、二极管D2、D3、D4、稳压管Zl、Z2,电解电容E3〜E5、电容C50, 电阻R50和变压器T2。 [0048] low-voltage DC power supply 6 includes model TOP211Y switching power microcontroller U2, model 4N25 optocoupler U3, diode D2, D3, D4, regulator Zl, Z2, electrolytic capacitors E3~E5, capacitor C50, resistor R50 and transformer T2. 低压直流电源6为功率因数校正器、PWM集成控制器以及型号为LM324的四运放集成电路提供15V直流电压。 6 is a low-voltage DC power supply power factor correction, PWM integrated controller and model LM324 quad op amp IC provides 15V DC voltage.

[0049] 保护电路7包括型号为LM324的四运放集成电路U4以及外围的二极管D5、 D6、D7、电容C13〜C18、电阻R14〜R18、电位器RWl。 [0049] protection circuit 7 includes a model for the LM324 quad op amp IC U4 and the external diodes D5, D6, D7, capacitors C13~C18, resistance R14~R18, potentiometer RWl. 上述高压钠灯电子镇流器的功率控制输入端为电容C18和电阻R18的接点即OUT端。 The high pressure sodium lamp electronic ballast power control input capacitance C18 and resistance R18 namely contact terminal OUT.

[0050] PWM脉冲控制电路8包括型号为SG3525A的电压型PWM集成控制器U5以及外围的电阻R21〜R27、电容C19〜C20、二极管D7。 [0050] PWM pulse control circuit 8 includes a model SG3525A voltage type PWM integrated controller U5 and peripheral resistance R21~R27, capacitance C19~C20, diode D7.

[0051] 限流电路9包括电容C27、变压器T4。 [0051] The current limiting circuit 9 comprises a capacitor C27, a transformer T4. 电容C27的两端分别与场效应管Q4的漏极和高压钠灯HID的一端连接。 Both ends of the capacitor C27 and FET drain and high pressure sodium HID connect one end of Q4. 变压器T4原边的一端与可控硅Q6连接,原边的另一端连接在电阻R36和电容C26的接点处。 Q6 is connected at one end to the thyristor T4 primary side of the transformer, and the other end connected to the primary side of the junction of resistor R36 and capacitor C26. 变压器T4副边的一端接高压钠灯HID的另一端,变压器T4副边的另一端接场效应管Q5的漏极。 The other end of the secondary side of the transformer T4 HPS HID one end of the secondary side of the transformer T4 other end of the drain of the FET Q5.

[0052] 在电路运行的过程中,当高压钠灯在运行过程中电路出现异常情况(如输出短路、开路等情况)、电路的电流发生变化时,LM324四运放集成电路U4的第9脚经电容C18测到高电平后,四运放集成电路U4的7脚输出一个高电平控制信号,该高电平控制信号经二极管D5、D6、电阻R19后加到功率因数校正器Ul的1脚,使功率因数校正电路3输出的直流压从原400V下降至300V,从而使镇流器的输出功率也随之下降,达到保护目的;与此同时PWM脉冲控制电路U5的6脚的电位也升高,使其11脚输出的脉冲宽度变窄,使镇流器的输出功率进一步下降,进一步达到保护的作用与此同时,四运放集成电路U4的14脚输出正脉冲控制信号,该控制信号使二极管D7截止,导致功率因数校正器Ul的3脚电位升高,功率因数校正电路3的输出电压进一步下降至200V。 [0052] In the process of the circuit operation, when the high pressure sodium lamp circuit unusual circumstances (such as output short circuit, open circuit, etc.) during operation, the current circuit is changed, LM324 quad op amp IC U4 is 9 feet by C18 capacitance measured to a high level, the quad op amp IC U4 7 feet outputs a high level control signal, the high-level control signal via a diode D5, D6, resistor R19 is added after power factor correction Ul 1 feet, power factor correction circuit 3 outputs a DC voltage drop from the original 400V to 300V, so that the ballast output also decreased, to protect the goal; while PWM pulse control circuit U5 6 feet potential also increased to 11-pin output pulse width is narrowed, so that the output power of the ballast further decline further action to protect the same time, the 14-pin output quad op amp IC U4 are pulse control signal, the control signal diode D7 off, leading to 3 feet potential power factor correction Ul increases, the output voltage of the power factor correction circuit 3 is further reduced to 200V. [0053] 当上述高压钠灯电子镇流器的功率控制输入端即OUT端电平升高时,镇流器的工作原理同上,从而降低了HID灯的照明功率。 [0053] When the high-pressure sodium lamp electronic ballast power control input that is when OUT terminal level rise, ballast operating principle above, thereby reducing the lighting power HID lamp.

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Classifications
International ClassificationH05B41/36, H05B41/38
Cooperative ClassificationY02B20/202
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23 Jul 2008C06Publication
17 Sep 2008C10Request of examination as to substance
20 Apr 2011C14Granted
11 Mar 2015C17Cessation of patent right