CN101873756B - Electronic and intelligent light-modulating electricity-saving ballast and control method thereof - Google Patents
Electronic and intelligent light-modulating electricity-saving ballast and control method thereof Download PDFInfo
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- CN101873756B CN101873756B CN 201010160937 CN201010160937A CN101873756B CN 101873756 B CN101873756 B CN 101873756B CN 201010160937 CN201010160937 CN 201010160937 CN 201010160937 A CN201010160937 A CN 201010160937A CN 101873756 B CN101873756 B CN 101873756B
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Abstract
The invention relates to an electronic and intelligent light-modulating electricity-saving ballast. The electricity-saving ballast mainly comprises a main circuit consisting of an RFI (Radio Frequency Interference) circuit, an EMI (Electro-Magnetic Interference) filter circuit, a lightning protection circuit, a rectifying circuit, a power factor correction circuit, a control circuit and an output circuit. The electricity-saving ballast is characterized in that the power factor correction circuit adopts an L6562 chip, the output circuit comprises a half-bridge switching tube, a drive circuit, a singlechip, a choke coil and a startup LC resonance circuit, wherein the drive circuit utilizes an L6574 chip, electricity is supplied to the drive circuit through the 12V power supply obtained by an inductor, and the singlechip is a 12F675 singlechip. The electricity-saving ballast has the characteristics of satisfying the standards of Blue Angles, Energy Star and Energy 2000, and the like, outputting high stable voltage, having little interference on electric supply when an alternating voltage is at a zero crossing point, and providing an auxiliary power supply to supply power to the L6574chip through a circuit connecting the inductor; when the singlechip controls the PFC not to work, the voltage of the auxiliary power supply is 0v, the L6574 chip does not work as well, and the power consumption of the whole machine can be close to 0.
Description
Technical field
The present invention relates to electronic intelligence light-modulating electricity-saving ballast and the control method thereof of a kind of ballast, particularly a kind of applicable high-pressure sodium lamp.
Background technology
The most high-pressure sodium lamps that adopt of domestic illumination in the public domain generally adopt the larger light source of power, and the density of distribution of light sources are large, range of application light, and requisite parts in the formal sodium vapor lamp use of ballast as lighting source.The ballast of traditional inductance type exists power factor to hang down and the large shortcoming of own loss.The use of a large amount of low power factor sodium vapor lamps causes harmonic pollution to electrical network, has not only increased the load for generating equipment, makes for power generating equipment to be not fully utilized, and has a strong impact on the normal operation of other power consumption equipment.
Summary of the invention
The objective of the invention is provides a kind of power factor high for the deficiency that solves above-mentioned technology, and power output is constant, and power output is large, has abnormal protection, and electronic intelligence light-modulating electricity-saving ballast and the control method thereof of automatic regulating power.
In order to achieve the above object, the electronic intelligence light-modulating electricity-saving ballast that the present invention is designed, it mainly comprises the circuit by RFI, the EMI filter circuit, lightning protection circuit, rectification circuit, the power factor correction circuit, control circuit, the main circuit that output circuit forms, it is characterized in that described power factor correction circuit uses the L6562 chip, described output circuit comprises the half-bridge switch pipe, drive circuit, single-chip microcomputer, choke and startup LC resonant tank, wherein drive circuit uses the L6574 chip, and the 12V Power supply that drive circuit obtains by inductor, single-chip microcomputer are the 12F675 single-chip microcomputer; The power factor correction circuit is connected with the half-bridge switch pipe, drive circuit is connected with the half-bridge switch pipe, half-bridge switch Guan Zaiyu choke be connected the LC resonant tank and connect, resonant tank is provided with output, and the power factor correction circuit is connected with drive circuit and is connected with single-chip microcomputer; Be provided with the second output voltage sample port DET2 at output, be provided with the first output voltage sample port DET1 at the negative pole of output, be provided with switch tube voltage sample port DET3 at the half-bridge switch pipe; Described the first output voltage sample port DET1, the second output voltage sample port DET2 are connected with single-chip microcomputer, and the L6574 chip that described the second output voltage sample port DET2, switch tube voltage sample port DET3 are connected with drive circuit connects.Described L6574 chip is connected power end and is connected with main circuit by transformer with the L6562 chip.
The INV pin of described L6562 links to each other with the voltage output end of main circuit, and its CS pin, GD pin are by being connected with main circuit with the triple-pole switch pipe, and its ZCD pin is connected with the GPIO1 pin of 12F675 by the triple-pole switch pipe; The RPRE pin of described L6574 is connected with the GPIO2 pin of 12F675 by the triple-pole switch pipe, its OPIN-pin is connected with switch tube voltage sample port DET3, its OPIN+ pin is connected with OPIN-by resistance, its EN1 pin is connected with the second output voltage sample port DET2, its HVG pin is connected with two interior triple-pole switch pipes of LVG pin and half-bridge switch pipe, and its Vs pin is connected with the 12V inductor; The VDD pin of described 12F675 single-chip microcomputer is connected with the voltage output end of main circuit, and its A/D1 pin, A/D2 pin, A/D3 pin connect respectively at the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3.
The control method that is used for the electronic intelligence light-modulating electricity-saving ballast that the present invention is designed, whether to work by the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3 detected electrons intelligent dimming electricity-saving ballast, if normal operation then keeps present situation constant; As normal operation not then time-delay do not restart drive circuit, the electronic intelligence light-modulating electricity-saving ballast still can't work in the situation that restart at least once, then stops to restart, and after automatic clear restarts number of times, reopens after 10 minutes, carries out above operation.
The resulting electronic intelligence light-modulating electricity-saving ballast of the present invention has following characteristics: 1, used L6562 as the power factor correction chip, can satisfy " blue sky makes ", " Energy Star " and standards such as " Energy2000 ", export highly stable voltage, the disturbance to civil power when alternating voltage zero-crossing point is little; 2 connect inductor by main circuit provides accessory power supply to the L6574 chip power supply, and when not worked by Single-chip Controlling PFC, the voltage of this accessory power supply also is 0v, thereby L6574 does not work yet, and the power consumption of complete machine can will be hanged down near 0, surveys about 0.2W; 3 operating voltage ranges are wide, can be applied to the large occasion of voltage ripple of power network; 4 low-voltages start, and lighting quality is high, without stroboscopic; 5 by Single-chip Controlling, and autoboot is unlimited when circuit goes wrong restarts ballast, and the protection sodium vapor lamp is not subjected to the impact of abnormal conditions.
Description of drawings
Fig. 1 is the embodiment of the invention 1 electrical equipment sketch;
Fig. 2 is the embodiment of the invention 1 schematic diagram;
Fig. 3 is the embodiment of the invention 1 control block diagram;
Fig. 4 is that the embodiment of the invention 1 is interrupted control block diagram;
Fig. 5 is the embodiment of the invention 2 input and rectifying part circuit detail drawings;
Fig. 6 is the embodiment of the invention 2 output circuit detail drawings;
Fig. 7 is embodiment of the invention 2L6574 chip section parallel circuit detail drawing;
Fig. 8 is embodiment of the invention 2L6562 chip section parallel circuit detail drawing;
Fig. 9 is embodiment of the invention 212F675 chip section parallel circuit detail drawing;
Figure 10 is the embodiment of the invention 2 output electrical schematic diagrams.
Embodiment
The invention will be further described by reference to the accompanying drawings below by embodiment.
Embodiment 1:
Such as Fig. 1, shown in Figure 2, the electronic intelligence light-modulating electricity-saving ballast that the present embodiment is described, it mainly comprises the circuit by RFI, the EMI filter circuit, lightning protection circuit, rectification circuit, the power factor correction circuit, control circuit, the main circuit that output circuit forms, it is characterized in that described power factor correction circuit uses the L6562 chip, described output circuit comprises the half-bridge switch pipe, drive circuit, single-chip microcomputer, choke and startup LC resonant tank, wherein drive circuit uses the L6574 chip, and the 12V Power supply that drive circuit obtains by inductor, single-chip microcomputer are the 12F675 single-chip microcomputer; The power factor correction circuit is connected with the half-bridge switch pipe, drive circuit is connected with the half-bridge switch pipe, half-bridge switch Guan Zaiyu choke be connected the LC resonant tank and connect, resonant tank is provided with output, and the power factor correction circuit is connected with drive circuit and is connected with single-chip microcomputer; Be provided with the second output voltage sample port DET2 at output, be provided with the first output voltage sample port DET1 at the negative pole of output, be provided with switch tube voltage sample port DET3 at the half-bridge switch pipe; Described the first output voltage sample port DET1, the second output voltage sample port DET2 are connected with single-chip microcomputer, and the L6574 chip that described the second output voltage sample port DET2, switch tube voltage sample port DET3 are connected with drive circuit connects.Described L6574 chip is connected power end and is connected with main circuit by transformer with the L6562 chip.
The INV pin of described L6562 links to each other with the voltage output end of main circuit, and its CS pin, GD pin are by being connected with main circuit with the triple-pole switch pipe, and its ZCD pin is connected with the GPIO1 pin of 12F675 by the triple-pole switch pipe; The RPRE pin of described L6574 is connected with the GPIO2 pin of 12F675 by the triple-pole switch pipe, its OPIN-pin is connected with switch tube voltage sample port DET3, its OPIN+ pin is connected with OPIN-by resistance, its EN1 pin is connected with the second output voltage sample port DET2, its HVG pin is connected with two interior triple-pole switch pipes of LVG pin and half-bridge switch pipe, and its Vs pin is connected with the 12V inductor; The VDD pin of described 12F675 single-chip microcomputer is connected with the voltage output end of main circuit, and its A/D1 pin, A/D2 pin, A/D3 pin connect respectively at the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3.
Such as Fig. 3, shown in Figure 4, the control method of the electronic intelligence light-modulating electricity-saving ballast that the present embodiment is described, whether to work by the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3 detected electrons intelligent dimming electricity-saving ballast, if normal operation then keeps present situation constant; Restarted drive circuit in 10 seconds as not working then to delay time, still can't work in the situation that restart five electronic intelligence light-modulating electricity-saving ballasts, then stop to restart, and after automatic clear restarts number of times, after 10 minutes, reopen, re-execute above operation.
The electronic intelligence light-modulating electricity-saving ballast that the present embodiment is described, its circuit diagram such as Fig. 5-Fig. 9, wherein the each several part circuit links to each other by the CN pin, the electrical schematic diagram of its output is DET1 wherein as shown in figure 10: with a magnetic bead (L2) string at the sodium vapor lamp negative pole, when lamp is not lighted, the upper voltage of DET1 is zero, but after lamp lights, the upper peak-to-peak value of DET1 approximately is 6V, can be used for identification light after the rectification whether to light.DET2: the way with capacitance partial pressure can sampling and outputting voltage.DET3: the electric current that the voltage sampling on the resistance R 5 can the sense switch pipe; two effects are arranged; the one, protection switch pipe circuit; the 2nd, because voltage is to be fixed on 400V; the voltage of this point just directly reflects input power like this, because circuit efficiency is very high; control this power and in fact just controlled power output, thereby realize horizontal power stage.Its start-up course is:
Warm-up phase: behind the rectifier plugged, started by single-chip microcomputer 12F675 control, the operating frequency of half-bridge switch pipe is higher when starting beginning, be fmax, fmax is higher than f0, and the square-wave voltage of 400v peak-to-peak value mainly drops on the inductance like this, on the capacitor C 4, namely the voltage ratio of sodium vapor lamp is lower, finishes warm-up phase, can not light.
The startup stage: the startup stage of entering, the frequency of the square wave of 400v peak-to-peak value is gradually with low, when frequency is equal with f0, L1, C4 produces series resonance, L1, all voltage maximum can occur on the C4, this voltage height is relevant in the quality factor of resonant tank, and also to be reduced to slope relevant with frequency, suitable value can be adjusted to the highest 3kv of being of starting resistor.
Ignition phase: it is less that sodium vapor lamp is lighted rear electric class value, be equivalent to C4 upper in parallel a small resistor, the effect of C4 can be ignored, the square wave of 400v peak-to-peak value is added on the sodium vapor lamp by inductance like this, the induction reactance of inductance has determined the size of electric current, plays the effect of current limliting.
Normal work stage: induction reactance and the frequency of inductance are directly proportional, and just can adjust the electric current of sodium vapor lamp by dynamic adjustment operating frequency, realize firm power output.Because constantly in the dynamic adjustment process, the sodium vapor lamp operating frequency has individual adjustment by a small margin like this, can effectively prevent the sodium vapor lamp acoustic resonance.
Claims (4)
1. electronic intelligence light-modulating electricity-saving ballast, it mainly comprises the circuit by RFI, the main circuit that EMI filter circuit, lightning protection circuit, rectification circuit, power factor correction circuit, control circuit, output circuit form, it is characterized in that described power factor correction circuit uses the L6562 chip, described output circuit comprises half-bridge switch pipe, drive circuit, single-chip microcomputer, choke and startup LC resonant tank, wherein drive circuit uses the L6574 chip, and the 12V Power supply that drive circuit obtains by inductor, single-chip microcomputer are the 12F675 single-chip microcomputer; The power factor correction circuit is connected with the half-bridge switch pipe, drive circuit is connected with the half-bridge switch pipe, half-bridge switch Guan Zaiyu choke be connected the LC resonant tank and connect, start the LC resonant tank and be provided with output, and the power factor correction circuit is connected with drive circuit and is connected with single-chip microcomputer; Be provided with the second output voltage sample port DET2 at output, be provided with the first output voltage sample port DET1 at the negative pole of output, be provided with switch tube voltage sample port DET3 at the half-bridge switch pipe; Described the first output voltage sample port DET1, the second output voltage sample port DET2 are connected with single-chip microcomputer, and the L6574 chip that described the second output voltage sample port DET2, switch tube voltage sample port DET3 are connected with drive circuit connects.
2. electronic intelligence light-modulating electricity-saving ballast according to claim 1 is characterized in that described L6574 chip is connected power end and is connected with main circuit by transformer with the L6562 chip.
3. electronic intelligence light-modulating electricity-saving ballast according to claim 1 and 2, the INV pin that it is characterized in that described L6562 links to each other with the voltage output end of main circuit, its CS pin, GD pin are connected with main circuit by the triple-pole switch pipe, and its ZCD pin is connected with the GPIO1 pin of 12F675 by the triple-pole switch pipe; The RPRE pin of described L6574 is connected with the GPIO2 pin of 12F675 by the triple-pole switch pipe, its OPIN-pin is connected with switch tube voltage sample port DET3, its OPIN+ pin is connected with OPIN-by resistance, its EN1 pin is connected with the second output voltage sample port DET2, its HVG pin is connected with two interior triple-pole switch pipes of LVG pin and half-bridge switch pipe, and its Vs pin is connected with the 12V inductor; The VDD pin of described 12F675 single-chip microcomputer is connected with the voltage output end of main circuit, and its A/D1 pin, A/D2 pin, A/D3 pin are connected with the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3 respectively.
4. control method that is applied to the electronic intelligence light-modulating electricity-saving ballast, it is characterized in that whether working by the first output voltage sample port DET1, the second output voltage sample port DET2, switch tube voltage sample port DET3 detected electrons intelligent dimming electricity-saving ballast, if normal operation then keeps present situation constant; As normal operation not then time-delay do not restart drive circuit, the electronic intelligence light-modulating electricity-saving ballast still can't work in the situation that restart at least once, then stops to restart, and after automatic clear restarts number of times, reopens after 10 minutes, carries out above operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010160937 CN101873756B (en) | 2010-05-03 | 2010-05-03 | Electronic and intelligent light-modulating electricity-saving ballast and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010160937 CN101873756B (en) | 2010-05-03 | 2010-05-03 | Electronic and intelligent light-modulating electricity-saving ballast and control method thereof |
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| CN101873756A CN101873756A (en) | 2010-10-27 |
| CN101873756B true CN101873756B (en) | 2013-03-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440228A (en) * | 2003-03-31 | 2003-09-03 | 浙江大学 | Light-adjustable electronic ballast |
| CN200944693Y (en) * | 2006-08-28 | 2007-09-05 | 深圳市金威源科技有限公司 | Digital electronic ballast |
| CN101137263A (en) * | 2006-08-28 | 2008-03-05 | 深圳市金威源科技有限公司 | Digital type electronic ballast and control method thereof |
| CN101217848A (en) * | 2007-12-27 | 2008-07-09 | 李东方 | A dual-frequency mixed spectrum type and pulse width regulation type dimming electronic ballast |
| CN201718107U (en) * | 2010-05-03 | 2011-01-19 | 浙江福光灯具科技有限公司 | Electronic intelligent dimming and ballasting power saver |
-
2010
- 2010-05-03 CN CN 201010160937 patent/CN101873756B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440228A (en) * | 2003-03-31 | 2003-09-03 | 浙江大学 | Light-adjustable electronic ballast |
| CN200944693Y (en) * | 2006-08-28 | 2007-09-05 | 深圳市金威源科技有限公司 | Digital electronic ballast |
| CN101137263A (en) * | 2006-08-28 | 2008-03-05 | 深圳市金威源科技有限公司 | Digital type electronic ballast and control method thereof |
| CN101217848A (en) * | 2007-12-27 | 2008-07-09 | 李东方 | A dual-frequency mixed spectrum type and pulse width regulation type dimming electronic ballast |
| CN201718107U (en) * | 2010-05-03 | 2011-01-19 | 浙江福光灯具科技有限公司 | Electronic intelligent dimming and ballasting power saver |
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| CN101873756A (en) | 2010-10-27 |
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