CN100464616C - Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor - Google Patents
Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor Download PDFInfo
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- CN100464616C CN100464616C CNB2004100436642A CN200410043664A CN100464616C CN 100464616 C CN100464616 C CN 100464616C CN B2004100436642 A CNB2004100436642 A CN B2004100436642A CN 200410043664 A CN200410043664 A CN 200410043664A CN 100464616 C CN100464616 C CN 100464616C
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Abstract
The invention is digital electron ballast for high voltage air discharging light and the numerical control method. it is made up of commutating circuit, power factor correcting circuit, high frequency inverting circuit, internal power circuit, driving circuit, microchip, carrier matching network; the program operation steps are: reset, lighting subprogram, if the light is switched on, constant frequency control subprogram, if the voltage is normal, constant frequency power close loop transition subprogram, if the light current and voltage are normal, constant power closed loop subprogram, protection subprogram. The invention has a high accuracy, and the protection function is excellent. The structure is simple and the cost is low.
Description
Technical field:
What the present invention relates to is electronic ballast for high-pressure discharge lamp, specifically is electronic ballast for high-pressure discharge lamp and numerical control method thereof.
Background technology:
In the existing electronic ballast for high-pressure discharge lamp, the square wave inversion control partly adopts pwm chip to send drive signal and controls bridge circuit, realizes defencive function and self-starting function by using timer.Above-mentioned electric ballast exists that control precision is low, circuit is complicated, the incomplete problem of defencive function, and this will cause having a strong impact on the life-span of lamp.
Summary of the invention:
The digital and electronic ballast and the numerical control method thereof that the purpose of this invention is to provide a kind of high-voltage gas discharging light.The present invention can solve there being electric ballast to exist control precision low, circuit complexity, the incomplete problem of defencive function.The present invention is made up of rectification circuit 1, power factor correction circuit 2, high-frequency inverter circuit 3, interior power supply circuit 4, drive circuit 5, single-chip microcomputer 6, load matching network 7; AC power 220V is input to the power input of rectification circuit 1, the output of rectification circuit 1 connects the power input of power factor correction circuit 2 power inputs and interior power supply circuit 4 respectively, the signal I/O of power factor correction circuit 2 connects the signal input output end of interior power supply circuit 4 respectively, the output of power factor correction circuit 2 connects the input of high-frequency inverter circuit 3, a power output end of interior power supply circuit 4 connects the power input of drive circuit 5, another power output end of interior power supply circuit 4 connects the power input of single-chip microcomputer 6, the signal output part of single-chip microcomputer 6 connects the signal input part of drive circuit 5, the signal output part of drive circuit 5 connects the signal input part of high-frequency inverter circuit 3, the state-detection end of high-frequency inverter circuit 3 connects an input end of single-chip microcomputer 6, the output of high-frequency inverter circuit 3 connects the input of load matching network 7, the output of load matching network 7 connects lamp 8 power inputs, and the state-detection end of lamp 8 connects another input end of single-chip microcomputer 6; The internal processes operating procedure of its single-chip microcomputer 6 is: electrification reset 01; The subprogram 02 of lighting a lamp, the subprogram of lighting a lamp are that output frequency constantly reduces later on from initial setpoint frequency, and voltage of both ends of lamp is constantly risen; Judge whether lamp lights 03, when testing result is a "No", with running protection subprogram 09, the protection subprogram is the output of stop frequency signal, and move the subprogram 02 of lighting a lamp after time-delay a period of time, when testing result is a "Yes", then move constant frequency control subprogram 04, the constant frequency control subprogram is that output frequency remains unchanged, and reaches first set value of the power up to lamp power; And then to lamp current voltage normal 05 determining step whether, when testing result is a "No", with running protection subprogram 09, when testing result is a "Yes", then move constant frequency power closed loop transition subprogram 06, constant frequency power closed loop transition subprogram is to adjust output frequency, slows down the lamp power rate of climb, reaches second set value of the power up to lamp power; Judge lamp current voltage whether normal 07; when testing result is a "No"; with running protection subprogram 09; when testing result is a "Yes", then move firm power closed loop subprogram 08, firm power closed loop subprogram is to adjust output frequency; keep lamp to be in work in the 3rd set value of the power; and whether the current/voltage that detects lamp in real time is normal, when detecting for "No", with running protection subprogram 09.Control precision height of the present invention, defencive function are perfect, the longer service life that makes lamp, the performance that makes lamp can effectively be brought into play, and have simple in structure, easy care, advantage that cost is low.
Description of drawings:
Fig. 1 is an integrated circuit structural representation of the present invention, and Fig. 2 is the flow chart of program in the single-chip microcomputer 6.
Embodiment:
In conjunction with Fig. 1, Fig. 2 present embodiment is described, present embodiment is made up of rectification circuit 1, power factor correction circuit 2, high-frequency inverter circuit 3, interior power supply circuit 4, drive circuit 5, single-chip microcomputer 6, load matching network 7; AC power 220V is input to the power input of rectification circuit 1, the output of rectification circuit 1 connects the power input of power factor correction circuit 2 power inputs and interior power supply circuit 4 respectively, the signal I/O of power factor correction circuit 2 connects the signal input output end of interior power supply circuit 4 respectively, the output of power factor correction circuit 2 connects the input of high-frequency inverter circuit 3, a power output end of interior power supply circuit 4 connects the power input of drive circuit 5, another power output end of interior power supply circuit 4 connects the power input of single-chip microcomputer 6, the signal output part of single-chip microcomputer 6 connects the signal input part of drive circuit 5, the signal output part of drive circuit 5 connects the signal input part of high-frequency inverter circuit 3, the state-detection end of high-frequency inverter circuit 3 connects an input end of single-chip microcomputer 6, the output of high-frequency inverter circuit 3 connects the input of load matching network 7, the output of load matching network 7 connects lamp 8 power inputs, and the state-detection end of lamp 8 connects another input end of single-chip microcomputer 6; The internal processes operating procedure of its single-chip microcomputer 6 is: electrification reset 01; The subprogram 02 of lighting a lamp, the subprogram of lighting a lamp are that output frequency constantly reduces later on from initial setpoint frequency, and voltage of both ends of lamp is constantly risen; Judge whether lamp lights 03, when testing result is a "No", with running protection subprogram 09, the protection subprogram is the output of stop frequency signal, and move the subprogram 02 of lighting a lamp after time-delay a period of time, when testing result is a "Yes", then move constant frequency control subprogram 04, the constant frequency control subprogram is that output frequency remains unchanged, and reaches first set value of the power up to lamp power; And then to lamp current voltage normal 05 determining step whether, when testing result is a "No", with running protection subprogram 09, when testing result is a "Yes", then move constant frequency power closed loop transition subprogram 06, constant frequency power closed loop transition subprogram is to adjust output frequency, slows down the lamp power rate of climb, reaches second set value of the power up to lamp power; Judge lamp current voltage whether normal 07; when testing result is a "No"; with running protection subprogram 09; when testing result is a "Yes", then move firm power closed loop subprogram 08, firm power closed loop subprogram is to adjust output frequency; keep lamp to be in work in the 3rd set value of the power; and whether the current/voltage that detects lamp in real time is normal, when detecting for "No", with running protection subprogram 09.The model of the power factor correction chip that power factor correction circuit 2 is selected for use is L6561, and the model of the switching tube that high-frequency inverter circuit 3 is selected for use is IRFP450B, and the model that single-chip microcomputer 6 is selected for use is MC68HC908KX8.
Claims (2)
1. the digital and electronic ballast of high-voltage gas discharging light is characterized in that it is made up of rectification circuit (1), power factor correction circuit (2), high-frequency inverter circuit (3), interior power supply circuit (4), drive circuit (5), single-chip microcomputer (6), load matching network (7); AC power 220V is input to the power input of rectification circuit (1), the output of rectification circuit (1) connects the power input of power factor correction circuit (2) power input and interior power supply circuit (4) respectively, the signal I/O of power factor correction circuit (2) connects the signal input output end of interior power supply circuit (4) respectively, the output of power factor correction circuit (2) connects the input of high-frequency inverter circuit (3), a power output end of interior power supply circuit (4) connects the power input of drive circuit (5), another power output end of interior power supply circuit (4) connects the power input of single-chip microcomputer (6), the signal output part of single-chip microcomputer (6) connects the signal input part of drive circuit (5), the signal output part of drive circuit (5) connects the signal input part of high-frequency inverter circuit (3), the state-detection end of high-frequency inverter circuit (3) connects an input end of single-chip microcomputer (6), the output of high-frequency inverter circuit (3) connects the input of load matching network (7), the output of load matching network (7) connects lamp (8) power input, and the state-detection end of lamp (8) connects another input end of single-chip microcomputer (6).
2. a numerical control method that uses the digital and electronic ballast of the described high-voltage gas discharging light of claim 1 is characterized in that the program running step is: electrification reset (01); The subprogram of lighting a lamp (02), the subprogram of lighting a lamp are that output frequency constantly reduces later on from initial setpoint frequency, and voltage of both ends of lamp is constantly risen; Judge whether lamp lights (03), when testing result is a "No", with running protection subprogram (09), the protection subprogram is the output of stop frequency signal, and move the subprogram (02) of lighting a lamp after time-delay a period of time, when testing result is a "Yes", then move constant frequency control subprogram (04), the constant frequency control subprogram is that output frequency remains unchanged, and reaches first set value of the power up to lamp power; And then to whether normal (05) determining step of lamp current voltage, when testing result is a "No", with running protection subprogram (09), when testing result is a "Yes", then move constant frequency power closed loop transition subprogram (06), constant frequency power closed loop transition subprogram is to adjust output frequency, slows down the lamp power rate of climb, reaches second set value of the power up to lamp power; Judge lamp current voltage whether normally (07); when testing result is a "No"; with running protection subprogram (09); when testing result is a "Yes", then move firm power closed loop subprogram (08), firm power closed loop subprogram is to adjust output frequency; keep lamp to be in work in the 3rd set value of the power; and whether the current/voltage that detects lamp in real time is normal, when detecting for "No", with running protection subprogram (09).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100436642A CN100464616C (en) | 2004-06-30 | 2004-06-30 | Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100436642A CN100464616C (en) | 2004-06-30 | 2004-06-30 | Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor |
Publications (2)
| Publication Number | Publication Date |
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| CN1596057A CN1596057A (en) | 2005-03-16 |
| CN100464616C true CN100464616C (en) | 2009-02-25 |
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| CNB2004100436642A Expired - Fee Related CN100464616C (en) | 2004-06-30 | 2004-06-30 | Digital electronic ballast of high pressure gas discharge lamp and digital control method therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291907A (en) * | 2011-05-19 | 2011-12-21 | 安徽卓越电气有限公司 | Digital electronic ballast of electrodeless lamp and control method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257762B (en) * | 2008-04-10 | 2011-10-05 | 广州威固环保设备有限公司 | Digital intelligent electric ballast of high power ultraviolet lamp tube |
| CN101848588B (en) * | 2010-06-12 | 2013-01-02 | 浙江大学 | Control method of full digital high-power metal halide lamp electronic ballast |
| CN101848589B (en) * | 2010-06-12 | 2013-01-02 | 浙江大学 | Full digital high-power metal halide lamp electronic ballast |
Citations (8)
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| EP0893943A1 (en) * | 1997-07-24 | 1999-01-27 | F. Verdeyen N.V. | Inverter for a gas discharge lamp and stepwise variable frequencies |
| CN2341274Y (en) * | 1998-08-14 | 1999-09-29 | 铁道部科学研究院铁道建筑研究所 | Adaptable controller for enhanced gas discharging lamp |
| US6084362A (en) * | 1999-01-19 | 2000-07-04 | Chao; Wen-Shin | Electronic ballast capable of linear and stepless light regulation |
| CN2471057Y (en) * | 2001-02-19 | 2002-01-09 | 林国明 | Preheating typ all-digital electronic ballast |
| CN1352520A (en) * | 2001-11-13 | 2002-06-05 | 赵申苓 | Method for demodulating light modulated AC signal by monolithic computer |
| US20030102818A1 (en) * | 2001-12-05 | 2003-06-05 | Koninklijke Philips Electronics N.V. | High power factor electronic ballast with lossless switching |
| CN2583928Y (en) * | 2002-11-30 | 2003-10-29 | 哈尔滨工业大学 | Electronic ballast with self-restoring function |
| US20040007986A1 (en) * | 2002-05-31 | 2004-01-15 | Parra Jorge M. | Self-oscillating constant-current gas discharge device lamp driver and method |
-
2004
- 2004-06-30 CN CNB2004100436642A patent/CN100464616C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0893943A1 (en) * | 1997-07-24 | 1999-01-27 | F. Verdeyen N.V. | Inverter for a gas discharge lamp and stepwise variable frequencies |
| CN2341274Y (en) * | 1998-08-14 | 1999-09-29 | 铁道部科学研究院铁道建筑研究所 | Adaptable controller for enhanced gas discharging lamp |
| US6084362A (en) * | 1999-01-19 | 2000-07-04 | Chao; Wen-Shin | Electronic ballast capable of linear and stepless light regulation |
| CN2471057Y (en) * | 2001-02-19 | 2002-01-09 | 林国明 | Preheating typ all-digital electronic ballast |
| CN1352520A (en) * | 2001-11-13 | 2002-06-05 | 赵申苓 | Method for demodulating light modulated AC signal by monolithic computer |
| US20030102818A1 (en) * | 2001-12-05 | 2003-06-05 | Koninklijke Philips Electronics N.V. | High power factor electronic ballast with lossless switching |
| US20040007986A1 (en) * | 2002-05-31 | 2004-01-15 | Parra Jorge M. | Self-oscillating constant-current gas discharge device lamp driver and method |
| CN2583928Y (en) * | 2002-11-30 | 2003-10-29 | 哈尔滨工业大学 | Electronic ballast with self-restoring function |
Non-Patent Citations (2)
| Title |
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| 电子镇流器的滤波与校正(上). 刘旭.中国照明电器. 2004 |
| 电子镇流器的滤波与校正(上). 刘旭.中国照明电器. 2004 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291907A (en) * | 2011-05-19 | 2011-12-21 | 安徽卓越电气有限公司 | Digital electronic ballast of electrodeless lamp and control method thereof |
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| Publication number | Publication date |
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| CN1596057A (en) | 2005-03-16 |
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Granted publication date: 20090225 Termination date: 20160630 |