CN102014566A - Electronic ballast and energy-saving lamp - Google Patents
Electronic ballast and energy-saving lamp Download PDFInfo
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- CN102014566A CN102014566A CN2010102844497A CN201010284449A CN102014566A CN 102014566 A CN102014566 A CN 102014566A CN 2010102844497 A CN2010102844497 A CN 2010102844497A CN 201010284449 A CN201010284449 A CN 201010284449A CN 102014566 A CN102014566 A CN 102014566A
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- circuit
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- saving lamp
- electric ballast
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention discloses an electronic ballast capable of enhancing the power factor and the harmonic suppression capacity of an energy-saving lamp, comprising a filter rectification circuit, a power factor regulating circuit and a magnet ring exciting transformer oscillating circuit, wherein the filter rectification circuit consists of a filter circuit and a rectification circuit; the power factor regulating circuit is an active power factor regulating circuit formed by taking an integrated circuit as a core; and the filter circuit consists of an H-shaped inductance symmetric type filter circuit and a differential mode two-stage filter circuit. The invention also discloses the energy-saving lamp adopting the electronic ballast. The energy-saving lamp has the advantages of high power factor (approximate to 1), little power consumption, low harmonic wave (less than 10%) and high brightness; and in addition, the brightness of the energy-saving lamp nearly doubles the brightness of a common energy-saving lamp under the condition of equal power.
Description
Technical field
The present invention relates to lighting, refer more particularly to the electric ballast in illuminating electricity-saving lamp and the electricity-saving lamp.
Background technology
At present, the electricity-saving lamp on the market is made up of lamp holder, lamp bracket, the non-pure triphosphor tube light of high pressure (more than 200 volts) and ordinary electronic ballast usually.The ordinary electronic ballast adjusts circuit (current follow-up circuit commonly used) by simple current rectifying and wave filtering circuit, passive power factor and magnet ring driver transformer oscillating circuit (i.e. the high-frequency oscillating circuits of often saying) constitutes.Its major defect is: harmonic content height (more than 20%), power factor is lower, can only accomplish 0.95 usually.As everyone knows, the radiation that higher harmonics produced is bigger, and human body is on every side damaged; And lower power factor has not only increased the load of circuit and power supply unit, and, under the situation of uniform irradiation, reach desirable illumination, its power must design higherly, can't reach desirable energy-saving effect; In addition, because the magnet ring driver transformer oscillating circuit that is adopted, its secondary coil turn will be less than primary coil, makes the working temperature of whole electric ballast raise, and loss is big, job insecurity, thus cause the useful life of electric ballast shorter; In addition, this electric ballast does not have soft starting circuit usually, and fluorescent tube is starter under the hard reboot situation, makes shorten about 1/3rd the useful life of fluorescent tube.
Summary of the invention
Technical problem to be solved by this invention is: a kind of electric ballast that improves power factor of energy-saving lamp and suppress the harmonic wave ability is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is: electric ballast, comprise: adjust circuit and magnet ring driver transformer oscillating circuit by filter rectifier, power factor that filter circuit and rectification circuit constitute, it is to be that the active power factor that core is formed is adjusted circuit with the integrated circuit that described power factor is adjusted circuit, and described filter circuit is made of I-shaped inductance symmetric form filter circuit and differential mode two-stage filter circuit.
Further technical problem to be solved by this invention is: provide that a kind of work temperature rise is low, loss is little and the electric ballast of working stability.
For solving above-mentioned further technical problem, the technical solution used in the present invention is: be wound with one group of primary coil and two groups of secondary coils on the magnet ring in the described magnet ring driver transformer oscillating circuit, the number of turn of secondary coil is more than primary coil.
Described electric ballast also includes soft starting circuit.
Described electric ballast also includes abnormity protection circuit and anti-lightning strike interfered circuit.
Another technical problem to be solved by this invention is: provide the little illumination of a kind of power consumption big electricity-saving lamp.
For solving another above-mentioned technical problem, the technical solution used in the present invention is: electricity-saving lamp comprises: above-mentioned electric ballast, lamp bracket and be installed in fluorescent tube on a pair of lamp holder at lamp bracket two ends.
Described fluorescent tube is the low-voltage tube of pure three primary colors, and its operating voltage is between 171～189 volts.
Described lamp bracket is provided with lampshade, and the inner surface of lampshade is provided with the nanometer reflective membrane.
The invention has the beneficial effects as follows: electric ballast of the present invention, employing is that the active power factor of core is adjusted circuit with the very high performance integrated circuit, supply voltage fluctuates between 85～260 volts, and circuit can be stablized the direct voltage of 400 volts of outputs, and input power remains unchanged substantially; Also improved power factor in addition greatly, made power factor reduce the load of circuit and power supply unit, reduced the lamp current crest, improved fluorescent tube useful life than (≤1.5) near 1; And filter circuit has adopted I-shaped inductance symmetric form filter circuit and differential mode two-stage filter circuit, circuit is simple, highly versatile, also can be used for other power supply and do EMC filtering, improved the ability that suppresses harmonic wave greatly, harmonic wave can be controlled at below 10%, the parameter consistencys such as power factor of narrow frequency and wideband are fine, reduced greatly to have solved the technological problems that traditional co-mode coil is made because the harm that harmonic radiation causes health has reduced cost simultaneously; The winding method of primary and secondary coil on the magnet ring has further reduced circuit loss and temperature rise; In addition, this electric ballast is preheating to 1～2 second to tube filament earlier by soft starting circuit is set, just normally light then, but also prolonging lamp tube useful life.Electricity-saving lamp of the present invention is the low-voltage tube of pure three primary colors nano ceramic electrod owing to adopted above-mentioned electric ballast, the fluorescent tube of employing, has improved illuminance greatly; In addition, the nanometer reflection shield on the lampshade has formed high reflective mirror, has improved illuminance further; Under the situation with constant power, the brightness of electricity-saving lamp of the present invention is nearly one times of the brightness of common energy-saving lamp.
Description of drawings
Fig. 1 is the electrical schematic diagram of electric ballast of the present invention;
Among the figure: 1, anti-lightning strike interfered circuit, 2, I-shaped inductance symmetric form filter rectifier, 3, active power factor adjusts circuit, 4, magnet ring driver transformer oscillating circuit, 5, abnormity protection circuit, 6, soft starting circuit;
Fig. 2 is the structural representation of electricity-saving lamp of the present invention;
Among the figure: 11, lamp bracket, 12, lamp holder, 13, fluorescent tube, 14, lampshade;
Fig. 3 is an integrated package L6562 internal frame diagram.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As shown in Figure 1, electric ballast of the present invention, comprise: anti-lightning strike interfered circuit 1, I-shaped inductance symmetric form filter rectifier 2, active power factor is adjusted circuit 3, magnet ring driver transformer oscillating circuit 4, abnormity protection circuit 5, soft starting circuit 6, described anti-lightning strike interfered circuit 1 comprises: by insurance resistance R 1, piezo-resistance RV constitutes, I-shaped inductance symmetric form filter rectifier 2 is by safety capacitor C 1, C2, I-shaped inductance L 1, L2, I-shaped inductive type symmetry filtering that L3 forms and differential mode two-stage filter circuit and the rectification circuit that constitutes by four rectifier diode D1～D4, active power factor is adjusted circuit 3 by the inductance L 4 that is used to boost, L5, diode D6, fast recovery diode D5, capacitor C 3～C7, resistance R 2～R12, fet Q1 and high-quality ic chip 1 constitute, as shown in Figure 3, this integrated package model is L6562N, and among the figure: (1) is the reverse input end of INV error amplifier; (2) be the output of EAOUT error amplifier: (3) are the input of MULT multiplier; (4) be the input of CS pulse-width modulation comparator; (5) be IDET zero current detection end; (6) be the GND earth terminal; (7) be the big current driver output of OUT; (8) be the VCC power input, be characterized in: 1., make with bipolar and CMOS hybrid technique (BCD); 2., adopt the Multiplier Design that patent is arranged, make the THD of input current reduce to minimum; 3., very accurate adjustable output over-voltage protection is arranged; 4., ultralow starting current (being not more than 70 μ A), starting resistor has the return difference characteristic; 5., ultralow static working current (being not more than 4mA); 6., Kuo Zhan supply voltage scope; 7., the internal reference voltage of 1% (T=25 ℃) precision; 8., totem output, driving force is strong, but driven MOS switching tube or IGBT pipe.Be wound with one group of primary coil L7 and two groups of secondary coil L6, L8 on magnet ring driver transformer oscillating circuit 4 middle magnetic rings, the number of turn of primary coil L7 is two circles, the number of turn of secondary coil L6 and L8 is three circles, and soft starting circuit 6 is made of take-off capacitor C 13 and intelligent thermistor PTC.During practical application, C12 one end with fluorescent tube P one side link to each other, an end links to each other with positive source, L9 links to each other with the opposite side of fluorescent tube, links to each other with fluorescent tube P both sides respectively after C13 and the PTC parallel connection.
As shown in Figure 2, electricity-saving lamp of the present invention, comprise: above-mentioned electric ballast, lamp bracket 11 and be installed in fluorescent tube 13 on a pair of lamp holder 12 at lamp bracket 11 two ends, this fluorescent tube 13 is the low-voltage tube of pure three primary colors, its operating voltage is between 171～189 volts, described lamp bracket 11 is provided with lampshade 14, and the inner surface of lampshade 14 is provided with the reflective membrane that the nanometer reflective membrane promptly adopts the nano mirror technology to make.Under the situation with constant power, the brightness of electricity-saving lamp of the present invention is nearly one times of the brightness of common energy-saving lamp.
Claims (7)
1. electric ballast, comprise: adjust circuit and magnet ring driver transformer oscillating circuit by filter rectifier, power factor that filter circuit and rectification circuit constitute, it is characterized in that: it is to be that the active power factor that core is formed is adjusted circuit with the integrated circuit that described power factor is adjusted circuit, and described filter circuit is made of I-shaped inductance symmetric form filter circuit and differential mode two-stage filter circuit.
2. electric ballast as claimed in claim 1 is characterized in that: be wound with one group of primary coil and two groups of secondary coils on the magnet ring in the described magnet ring driver transformer oscillating circuit, the number of turn of secondary coil is more than primary coil.
3. electric ballast as claimed in claim 1 or 2 is characterized in that: also include soft starting circuit.
4. electric ballast as claimed in claim 1 or 2 is characterized in that: also include abnormity protection circuit and anti-lightning strike interfered circuit.
5. electricity-saving lamp comprises: electric ballast, lamp bracket and be installed in fluorescent tube on a pair of lamp holder at lamp bracket two ends, it is characterized in that: described electric ballast is claim 1 or 2 described electric ballasts.
6. electricity-saving lamp as claimed in claim 5 is characterized in that: described fluorescent tube is the low-voltage tube of pure three primary colors, and its operating voltage is between 170～190 volts.
7. as claim 5 or 6 described electricity-saving lamps, it is characterized in that: described lamp bracket is provided with lampshade, and the inner surface of lampshade is provided with the nanometer reflective membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102844497A CN102014566A (en) | 2010-09-17 | 2010-09-17 | Electronic ballast and energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102844497A CN102014566A (en) | 2010-09-17 | 2010-09-17 | Electronic ballast and energy-saving lamp |
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| CN102014566A true CN102014566A (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102844497A Pending CN102014566A (en) | 2010-09-17 | 2010-09-17 | Electronic ballast and energy-saving lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442506A (en) * | 2013-09-02 | 2013-12-11 | 潞城市专利成果转化促进会 | Weak light with high frequency controller |
| CN105578693A (en) * | 2015-12-29 | 2016-05-11 | 淄博中诚电子照明技术开发有限公司 | Ballast filament preheating control circuit for high-power ultraviolet lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198203A (en) * | 2006-12-04 | 2008-06-11 | 江苏施诺照明有限公司 | Full-electric voltage electric ballast |
| CN201733506U (en) * | 2010-06-07 | 2011-02-02 | 张家港市乐余金赛源照明电器厂 | Electronic ballast and energy saving lamp |
| CN201830535U (en) * | 2010-09-17 | 2011-05-11 | 张家港市乐余金赛源照明电器厂 | Electronic ballast and energy-saving lamp |
-
2010
- 2010-09-17 CN CN2010102844497A patent/CN102014566A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198203A (en) * | 2006-12-04 | 2008-06-11 | 江苏施诺照明有限公司 | Full-electric voltage electric ballast |
| CN201733506U (en) * | 2010-06-07 | 2011-02-02 | 张家港市乐余金赛源照明电器厂 | Electronic ballast and energy saving lamp |
| CN201830535U (en) * | 2010-09-17 | 2011-05-11 | 张家港市乐余金赛源照明电器厂 | Electronic ballast and energy-saving lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442506A (en) * | 2013-09-02 | 2013-12-11 | 潞城市专利成果转化促进会 | Weak light with high frequency controller |
| CN105578693A (en) * | 2015-12-29 | 2016-05-11 | 淄博中诚电子照明技术开发有限公司 | Ballast filament preheating control circuit for high-power ultraviolet lamp |
| CN105578693B (en) * | 2015-12-29 | 2018-10-02 | 淄博中诚电子照明技术开发有限公司 | A kind of high-power ultraviolet ballast for lamp filament pre-warming control circuit |
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Application publication date: 20110413 |