CN101483961A - Novel intelligent light control electronic ballast and light control method - Google Patents
Novel intelligent light control electronic ballast and light control method Download PDFInfo
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- CN101483961A CN101483961A CNA2009100136829A CN200910013682A CN101483961A CN 101483961 A CN101483961 A CN 101483961A CN A2009100136829 A CNA2009100136829 A CN A2009100136829A CN 200910013682 A CN200910013682 A CN 200910013682A CN 101483961 A CN101483961 A CN 101483961A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention relates to a new type intelligent dimming electronic ballast and a dimming method which has characteristic of mixing hardware and software for modulating frequency and dimming. A software control part of the method and the hardware circuit self work is separated, the hardware circuit self processes normal work when machine is started, the software control part does not work provisionally for avoiding effect to the soft control circuit caused by a high frequency high voltage pulse igniting signal in starting phase, the software control circuit judges whether the machine works normally for selecting working procedure after the machine works some time. Compared with the prior art, the method provided by the invention conquers effect to the software circuit caused by disturbance in starting, realizes dimming conveniently and reliably; the method can protect machine body timely and reliably when the circuit occurs abnormal condition.
Description
Technical field
The present invention relates to a electronic product and technology thereof, a kind of specifically novel intelligent dimming electronic ballast and light-dimming method thereof.
Background technology
The energy, environmental protection are the focuses that the world today pays close attention to, China's one of target that becomes China of the Eleventh Five-Year Plan period building a conservation-minded society." ligthing paraphernalia " listed in energy-conservation major fields in the Medium-and Long-Term Plan for Conserving Energy Resources of National Development and Reform Committee's issue, " Green Lighting Project " classified as one of ten big energy-conservation key projects, visible illuminating engineering is an important step wherein.So-called green illumination, be meant promote the use of that efficient height, life-span are long, safe and reliable, illuminator that electric light source, light fixture and the electric accessories of stable performance and brightness adjustment control device are formed, to reach electrical energy saving, reduce the pollution of generating, improve the purpose of people's work and quality of life environment.
Ballast is an illuminating product indispensable in the present illuminator, and it is the important step that realizes electrical energy saving.A lot of energy-saving schemes of taking at present all are to set about from the technical of ballast, and implementation method is: according to the requirement of actual illumination occasion, regulate the output of ballast, change illumination, thereby reach purpose of energy saving.
Inductive ballast of the prior art will realize that the possibility of power output adjusting is little, because Inductive ballast is simple in structure, therefore no control circuit can't realize regulatory function; So the ballast of said here power output scalable (that is: light modulation) is an electric ballast.
Introduce the common method and the shortcoming thereof of electric ballast light modulation below: 1, voltage-control dimming: the general inside of electric ballast is made up of power factor correction stage and resonance inverter, keeping under the constant situation of resonant circuit operating frequency, regulate the output voltage of power factor correction stage, promptly regulate the input voltage of resonant circuit, realize the power output adjusting, promptly realize light modulation.The shortcoming of voltage-control dimming: the output voltage that changes the capability correction level has tangible deficiency, when capability correction level output voltage raises, high-voltage energy storage capacitor is had damage, influences the life-span of high-voltage energy storage capacitor, thereby has influenced the useful life of electric ballast; Capability correction level output reduces, and under the constant situation of power, the electric current in the circuit strengthens, thereby the power loss in the circuit strengthens, the waste energy, and the electric ballast overall efficiency reduces.2, duty ratio light modulation: the pulsewidth width of the drive signal by regulating half-bridge inverter makes circuit enter the discontinuous current operating state, thereby reaches the light modulation purpose.The shortcoming of duty ratio light modulation: because current work has significantly influenced the useful life of lamp in on-off state in the circuit.3, alternately frequency modulation light modulation: the operating frequency of electric ballast is typically chosen in more than the natural resonance frequency, the inverter load totally is perception, and therefore along with the rising of circuit work frequency, the induction reactance in the circuit strengthens, current in loop reduces, and the power that outputs on the lamp has also just descended; On the contrary, operating frequency reduces, power output will increase, thereby reach the purpose of light modulation, alternately the shortcoming of frequency modulation method: this frequency modulation light modulation mostly is manual adjustments, or external voltage is relatively regulated, its troublesome poeration, consistency is also bad, can't operate for the machine that is installed in occasion such as outdoor at all, and be subject to disturb.
Summary of the invention
In the present invention, adopt hardware and the hybrid frequency modulation principle of software to realize light modulation, overcome the deficiency of traditional light modulation, designed new frequency modulation light-modulating mode, both realized reliable and stable light modulation, overcome interference and the unhandy problem of being subject to again.The technical solution adopted for the present invention to solve the technical problems is: in start-up phase, know by its load inherent characteristic, must there be certain high-voltage pulse to make high-voltage gas discharging light carry out glow discharge, at this moment interference signal is very big, for pure software control circuit, at this moment be easy to software circuit is interfered, influence the machine operate as normal, thereby influenced machine reliability.In the present invention, avoided the influence of start-up phase to the software control circuit, worked normally by hardware circuit self, after a period of time, software judges whether machine is working properly, and is normal then enter the dimmer procedure work of setting; Undesired then to circuitry enforcement protection.Architectural feature of the present invention is: comprise exchanging input (1), EMI filter circuit (2), full-bridge rectification and Active Power Factor Correction (3), high frequency bridge inverter main circuit (4), firing circuit (5), lamp loop (6), Based Intelligent Control and defencive function module (7), permanent power adjusting circuit (8), ATMEGA48 Based Intelligent Control light adjusting circuit (9), the protection of NE555 timer design and secondary circuits for triggering (10), SG3525 controller (11), isolated drive circuit (12), MC33262 controller (13), accessory power supply (14), it is characterized in that being provided with in Based Intelligent Control and the protection module (7) protection and the secondary circuits for triggering (10) of ATMEGA48 Based Intelligent Control light adjusting circuit (9) and NE555 timer design, the right-hand member of high frequency bridge inverter main circuit (4), the left end in lamp loop (6) is provided with dual fail-safe high-tension ignition circuit (5), and the below of lamp loop (6) is provided with persevering power adjusting circuit (8);
Light-dimming method of the present invention, it is characterized in that it being the method that adopts hardware and the light modulation of software mixing frequency modulation, the work of this method software control part and hardware circuit self separates and works independently, work normally by hardware circuit self during start just, software control part wouldn't be worked to avoid the influence of start-up phase hf and hv pulse ignition signal to the software control circuit, after start work a period of time again by the software control circuit judges machine working procedure of selecting working properly whether, normal then enter the dimmer procedure of setting, by Based Intelligent Control ATMEGA48 output signal, carry out light modulation; Undesired then to circuitry enforcement protection; In addition, the present invention has realized the safe and reliable of product in that persevering power adjusting circuit and secondary circuits for triggering also are set, protect perfect, energy-conserving and environment-protective.
The invention has the beneficial effects as follows: the present invention has compared with prior art overcome interference when starting to the influence of software circuit, has realized convenient and reliable light modulation; When abnormal conditions have appearred in circuit, can in time protect machine itself reliably.
Description of drawings
Fig. 1 is the embodiments of the invention structural representation;
Fig. 2 is an electrical schematic diagram of the present invention;
Among Fig. 1: exchange input (1); EMI filter circuit (2); full-bridge rectification and Active Power Factor Correction (3); high frequency bridge inverter main circuit (4); firing circuit (5); lamp loop (6); Based Intelligent Control and defencive function module (7); permanent power adjusting circuit (8); ATMEGA48 Based Intelligent Control light adjusting circuit (9); the protection of NE555 timer design and secondary circuits for triggering (10); SG3525 controller (11); isolated drive circuit (12); MC33262 controller (13); accessory power supply (14).
Embodiment
1 couple of the present invention does following concrete detailed description with reference to accompanying drawing: shown in 1; the structure of invention comprises exchanging imports (1); EMI filter circuit (2); full-bridge rectification and Active Power Factor Correction (3); high frequency bridge inverter main circuit (4); firing circuit (5); lamp loop (6); Based Intelligent Control and defencive function module (7); permanent power adjusting circuit (8); ATMEGA48 Based Intelligent Control light adjusting circuit (9); the protection of NE555 timer design and secondary circuits for triggering (10); SG3525 controller (11); isolated drive circuit (12); MC33262 controller (13); accessory power supply (14); it is characterized in that being provided with in Based Intelligent Control and the protection module (7) protection and the secondary circuits for triggering (10) of ATMEGA48 Based Intelligent Control light adjusting circuit (9) and NE555 timer design; the right-hand member of high frequency bridge inverter main circuit (4); the left end in lamp loop (6) is provided with dual fail-safe high-tension ignition circuit (5), and the below of lamp loop (6) is provided with persevering power adjusting circuit (8).Other structures are according to the prior art setting.
The inversion control master chip is SG3525 in the present invention; its frequency is to set by 6 pin of SG3525; as long as electric ballast has the civil power input; accessory power supply in the circuit is just started working; for each chip provides operating voltage; machine is started working; electric ballast is by starting to normal work period; intelligent dimming controller AMTMEG48 and light modulation protective circuit are in the time-delay state; the work of nonintervention electric ballast itself; treat that the delay adjustments time one arrives; judge whether operate as normal of machine by the input signal that detects mouthful; do following concrete detailed description with reference to the bright operation principle of 2 pairs of bases of accompanying drawing: as shown in Figure 2; detecting mouth judges normal for high level; C5 mouth output low level; in the time period of setting successively from C1; C2; C3; C4 mouth output high level; triode QD1 with correspondence; QD2; QD3; QD4 is open-minded; thereby make frequency setting resistance R D2; RD4; RD6; RD8 inserts 6 pin of SG3525 in the time period of setting; realize the adjustment of inverter operating frequency, thereby reach the purpose of light modulation.Power output is promptly regulated in light modulation, according to the application scenario of reality and different time periods, changes the power output of electric ballast, reaches energy-conservation purpose; For example: 600W novel intelligent dimming electronic ballast and light-dimming method thereof, when normal working frequency was 33KHz, power output was 600W; Change operating frequency, when making operating frequency be 42KHz, power output is 488W; When operating frequency is 46KHz, power output 440W; When operating frequency was 51KHz, power output was 341W; When operating frequency was 60KHz, power output was 278W.This shows, change operating frequency automatically by software and can well realize intelligent dimming.It is undesired for the low level judgement to detect mouth; C1, C2, C3, C4 mouth output low level; at C5 mouth output high level signal; the QD5 triode is open-minded; with 4 pin of NE555 short circuit over the ground, make the delivery outlet 3 pin output low levels of NE555, as long as 3 pin of NE555 are output as low level; control circuit just turn-offs control chip, realizes protection.In the delay time of intelligent dimming circuit, abnormality appears in ifs circuit, hardware control circuit will turn-off control chip output, protection machine itself, but if the aging such situation of lamp, multiple spot may just can be lighted lamp several times, so designed the secondary circuits for triggering among the present invention, pass through 2 of NE555 during the course of work, electric capacity charging and discharge that 6 pin are connect, change the output state of output NE555, in circuit, the loop of charging and discharge is by diode DM6, DM7 has kept apart, charge circuit is through RM19, DM7 carries out, and discharge loop is through DM6, RM18 carries out; When nonserviceabling, the NE555 output low level, capacitor C F10 discharges through discharge loop, and set by resistance R M18 discharge time, after trouble shooting, the capacitor discharge setting-up time has also arrived, NE555 enters the work of a new round, exports high level once more, makes the control chip operate as normal, thereby in the time of intelligent controller time-delay, realize that secondary triggers.
If repeatedly trigger in the time of time-delay, machine is cisco unity malfunction still, triggers and continues; If arrive time of delay, machine is still undesired, and the intelligent dimming circuit of software control will turn-off the working signal of control chip completely, and it is not being triggered, and power supply can operate as normal again after can only waiting to cut off the power supply, and is better also safer to the protection of machine like this.
Claims (2)
1; novel intelligent dimming electronic ballast and light-dimming method thereof; comprise and exchange input (1); EMI filter circuit (2); full-bridge rectification and Active Power Factor Correction (3); high frequency bridge inverter main circuit (4); firing circuit (5); lamp loop (6); Based Intelligent Control and defencive function module (7); permanent power adjusting circuit (8); ATMEGA48 Based Intelligent Control light adjusting circuit (9); the protection of NE555 timer design and secondary circuits for triggering (10); SG3525 controller (11); isolated drive circuit (12); MC33262 controller (13); accessory power supply (14); it is characterized in that described light-dimming method is the method that adopts hardware and the light modulation of software mixing frequency modulation; the work of this method software control part and hardware circuit self separates and works independently; work normally by hardware circuit self during start just; software control part wouldn't be worked avoiding the influence of start-up phase hf and hv pulse ignition signal to the software control circuit, after start work a period of time again by the software control circuit judges machine working procedure of selecting working properly whether.
2, novel intelligent dimming electronic ballast according to claim 1 and light-dimming method thereof; the structure of described ballast is characterized in that being provided with in Based Intelligent Control and the protection module (7) protection and the secondary circuits for triggering (10) of ATMEGA48 Based Intelligent Control light adjusting circuit (9) and NE555 timer design; the right-hand member of high frequency bridge inverter main circuit (4); the left end in lamp loop (6) is provided with dual fail-safe high-tension ignition circuit (5); the below in lamp loop (6) is provided with persevering power adjusting circuit (8), and its circuit part is provided with persevering power adjusting circuit and secondary circuits for triggering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100136829A CN101483961A (en) | 2009-01-23 | 2009-01-23 | Novel intelligent light control electronic ballast and light control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100136829A CN101483961A (en) | 2009-01-23 | 2009-01-23 | Novel intelligent light control electronic ballast and light control method |
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| CN101483961A true CN101483961A (en) | 2009-07-15 |
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| CNA2009100136829A Pending CN101483961A (en) | 2009-01-23 | 2009-01-23 | Novel intelligent light control electronic ballast and light control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598873A (en) * | 2009-09-18 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | Electronic ballast with dimming circuit |
| CN102984876A (en) * | 2012-11-28 | 2013-03-20 | 长沙星联电力自动化技术有限公司 | Electronic ballast of intelligent high-voltage sodium lamp |
| CN103442505A (en) * | 2013-08-14 | 2013-12-11 | 中国电子科技集团公司第十六研究所 | Dimming electrodeless lamp electronic ballast based on dual control and method for adjusting brightness of electrodeless lamp |
| CN106102286A (en) * | 2016-08-30 | 2016-11-09 | 成都英格瑞德电气有限公司 | Constant-current dimmer based on EMC filtering soft start |
| CN106332418A (en) * | 2016-08-30 | 2017-01-11 | 成都英格瑞德电气有限公司 | Sinusoidal wave dimmer module based on PFC (Power Factor Correction) rectifier energy storage |
-
2009
- 2009-01-23 CN CNA2009100136829A patent/CN101483961A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598873A (en) * | 2009-09-18 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | Electronic ballast with dimming circuit |
| CN102598873B (en) * | 2009-09-18 | 2015-11-25 | 皇家飞利浦电子股份有限公司 | With the electric ballast of light adjusting circuit |
| CN102984876A (en) * | 2012-11-28 | 2013-03-20 | 长沙星联电力自动化技术有限公司 | Electronic ballast of intelligent high-voltage sodium lamp |
| CN102984876B (en) * | 2012-11-28 | 2014-08-06 | 长沙星联电力自动化技术有限公司 | Electronic ballast of intelligent high-voltage sodium lamp |
| CN103442505A (en) * | 2013-08-14 | 2013-12-11 | 中国电子科技集团公司第十六研究所 | Dimming electrodeless lamp electronic ballast based on dual control and method for adjusting brightness of electrodeless lamp |
| CN103442505B (en) * | 2013-08-14 | 2015-06-24 | 中国电子科技集团公司第十六研究所 | Dimming electrodeless lamp electronic ballast based on dual control and method for adjusting brightness of electrodeless lamp |
| CN106102286A (en) * | 2016-08-30 | 2016-11-09 | 成都英格瑞德电气有限公司 | Constant-current dimmer based on EMC filtering soft start |
| CN106332418A (en) * | 2016-08-30 | 2017-01-11 | 成都英格瑞德电气有限公司 | Sinusoidal wave dimmer module based on PFC (Power Factor Correction) rectifier energy storage |
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Application publication date: 20090715 |