CN201682678U - Energy-saving electronic ballast for gas discharge lamp - Google Patents
Energy-saving electronic ballast for gas discharge lamp Download PDFInfo
- Publication number
- CN201682678U CN201682678U CN201020145215XU CN201020145215U CN201682678U CN 201682678 U CN201682678 U CN 201682678U CN 201020145215X U CN201020145215X U CN 201020145215XU CN 201020145215 U CN201020145215 U CN 201020145215U CN 201682678 U CN201682678 U CN 201682678U
- Authority
- CN
- China
- Prior art keywords
- circuit
- energy
- discharge lamp
- electronic ballast
- saving electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model discloses an energy-saving electronic ballast for a gas discharge lamp, which consists of a starting circuit and an operation circuit and comprises a serially connected resonance circuit, a parallelly connected resonance circuit, an oscillating device, a rectifier DC power supply and an AC input power supply, wherein the AC input power supply is 220V/50Hz, and is connected with the input end of a bridge rectifier through a wave filter, the output end of the bridge rectifier is connected with the input end of the oscillating device, the oscillating device is connected with the parallelly connected resonance circuit used for providing square-wave oscillating signals, the parallelly connected resonance circuit is serially connected with the serially connected resonance circuit through a lamp filament arranged at one end of a lamp tube, and is spanned and connected at both ends of the lamp tube, and the oscillating device is connected with the serially connected resonance circuit. The utility model reduces the harmonic content and the crest ratio, can avoid the pollution on electric networks by third harmonic, and can prolong the service life of the lamp.
Description
Technical field
The utility model relates to the ballast technical field, a kind of energy-saving electronic ballast that is used for gaseous discharge lamp that is particularly useful for throwing light on.
Background technology
At present, electric ballast is widely used in illuminating industry, because the following problem of existing electric ballast ubiquity: 1, harmonic content height, especially triple-frequency harmonics is serious to electric network pollution; 2, crest is than high, and the ratio that refers to lamp current peak value and RMS value is greater than 2.2, and the lamp life-span lacks; 3, various gaseous discharge lamp must the different electric ballast of adapted.
Summary of the invention
In order to solve the defective that existing electric ballast exists, the utility model provides a kind of energy-saving electronic ballast that is used for gaseous discharge lamp, can avoid the pollution of triple-frequency harmonics to electrical network, prolongs the lamp life-span.
For achieving the above object, the utility model adopts following technical scheme:
A kind of energy-saving electronic ballast that is used for gaseous discharge lamp is made of start-up circuit and running circuit, comprising: series resonant circuit, antiresonant circuit, oscillation device, rectification DC power supply, alternating current input power supplying; Described alternating current input power supplying is 220V/50HZ, links to each other with the input of bridge rectifier by filter, and the output of bridge rectifier links to each other with the input of oscillation device, and oscillation device links to each other with the antiresonant circuit that the square wave oscillator signal is provided; Described antiresonant circuit is contacted by an end filament of fluorescent tube mutually with series resonant circuit, and cross-over connection is in the two ends of fluorescent tube, and oscillation device is connected with series resonant circuit.
Described a kind of energy-saving electronic ballast that is used for gaseous discharge lamp, series resonant circuit is made up of capacitor C 1 and inductance L 1 polyphone, and resonance frequency is 20 to 25HZ.
Described a kind of energy-saving electronic ballast that is used for gaseous discharge lamp, antiresonant circuit is composed in parallel by capacitor C 2 and inductance L 2, provides high voltage for lamp starts.
Described a kind of energy-saving electronic ballast that is used for gaseous discharge lamp, oscillation device is made up of half-bridge oscillation circuit, comprise: solid switch element S, toroidal transformer T, two secondary winding L4 of described toroidal transformer T are connected with S2 with the solid switch element S1 of Control and Feedback oscillator signal respectively with L5, constitute the push-pull type running circuit.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
A kind of energy-saving electronic ballast that is used for gaseous discharge lamp is particularly useful for all gaseous discharge lamps except that incandescent lamp, as: common gases discharge lamp, fluorescent lamp, Metal halogen lamp, high-low pressure sodium vapor lamp and arc lamp; This electric ballast can also be concentrated use by many lamps, reduces wiring, conserve space; This electric ballast has the harmonic content of minimizing and crest ratio; Can avoid the pollution of triple-frequency harmonics, prolong the lamp life-span electrical network.
Description of drawings
Fig. 1 is the circuit theory diagrams of the startup and the running of electric ballast;
Embodiment
As shown in Figure 1, a kind of energy-saving electronic ballast that is used for gaseous discharge lamp is made of start-up circuit and running circuit, comprising: series resonant circuit, antiresonant circuit, oscillation device, rectification DC power supply, alternating current input power supplying; Described alternating current input power supplying is 220V/50HZ, links to each other with the input of bridge rectifier by filter, and the output of bridge rectifier links to each other with the input of oscillation device, and oscillation device links to each other with the antiresonant circuit that the square wave oscillator signal is provided; Described antiresonant circuit is contacted by an end filament of fluorescent tube mutually with series resonant circuit, and cross-over connection is in the two ends of fluorescent tube, and oscillation device is connected with series resonant circuit.Described series resonant circuit is made up of capacitor C 1 and inductance L 1 polyphone, and resonance frequency is 20 to 25HZ.Described antiresonant circuit is composed in parallel by capacitor C 2 and inductance L 2, provides high voltage for lamp starts.Described oscillation device is made up of half-bridge oscillation circuit, comprise: solid switch element S, toroidal transformer T, two secondary winding L4 of described toroidal transformer T are connected with S2 with the solid switch element S1 of Control and Feedback oscillator signal respectively with L5, constitute the push-pull type running circuit.The power factor (PF) of this electric ballast＞0.95, crest economize on electricity 50% than＜1.3, power output 100W, and lamp tube service life can prolong 1.5-2 doubly, total harmonic distortion≤5%.
Claims (4)
1. an energy-saving electronic ballast that is used for gaseous discharge lamp is characterized in that: be made of start-up circuit and running circuit, comprise: series resonant circuit, antiresonant circuit, oscillation device, rectification DC power supply, alternating current input power supplying; Described alternating current input power supplying is 220V/50HZ, links to each other with the input of bridge rectifier by filter, and the output of bridge rectifier links to each other with the input of oscillation device, and oscillation device links to each other with the antiresonant circuit that the square wave oscillator signal is provided; Described antiresonant circuit is contacted by an end filament of fluorescent tube mutually with series resonant circuit, and cross-over connection is in the two ends of fluorescent tube, and oscillation device is connected with series resonant circuit.
2. a kind of energy-saving electronic ballast that is used for gaseous discharge lamp according to claim 1 is characterized in that: series resonant circuit is made up of capacitor C 1 and inductance L 1 polyphone, and resonance frequency is 20 to 25HZ.
3. a kind of energy-saving electronic ballast that is used for gaseous discharge lamp according to claim 1 is characterized in that: antiresonant circuit is composed in parallel by capacitor C 2 and inductance L 2, provides high voltage for lamp starts.
4. a kind of energy-saving electronic ballast that is used for gaseous discharge lamp according to claim 1, it is characterized in that: described oscillation device is made up of half-bridge oscillation circuit, comprise: solid switch element S, toroidal transformer T, two secondary winding L4 of described toroidal transformer T are connected with S2 with the solid switch element S1 of Control and Feedback oscillator signal respectively with L5, constitute the push-pull type running circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020145215XU CN201682678U (en) | 2010-03-31 | 2010-03-31 | Energy-saving electronic ballast for gas discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020145215XU CN201682678U (en) | 2010-03-31 | 2010-03-31 | Energy-saving electronic ballast for gas discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201682678U true CN201682678U (en) | 2010-12-22 |
Family
ID=43347709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020145215XU Expired - Fee Related CN201682678U (en) | 2010-03-31 | 2010-03-31 | Energy-saving electronic ballast for gas discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201682678U (en) |
-
2010
- 2010-03-31 CN CN201020145215XU patent/CN201682678U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9714759B2 (en) | Apparatus or circuit for driving a DC powered lighting equipment | |
| US8427064B2 (en) | Electronic ballast circuit for fluorescent lamps | |
| CN102159001A (en) | Lamp tube circuit of luminous component | |
| CN201682678U (en) | Energy-saving electronic ballast for gas discharge lamp | |
| WO2009067931A1 (en) | A multi-output lightening electric light source device | |
| CN202068635U (en) | Power frequency modulation type high frequency human interface device (HID) electric ballast | |
| CN1284422C (en) | Low-harmonic compact type energy-saving lamp electronic ballast | |
| CN205408260U (en) | Short -circuit protection circuit based on low frequency square wave electronic ballast | |
| EP2338317B1 (en) | Low cost compact size single stage high power factor circuit for discharge lamps | |
| CN203151849U (en) | Energy-saving electronic ballast and light fixture | |
| CN102685997B (en) | High-frequency HID (High Intensity Discharge) electronic ballast with modulated power frequency | |
| CN1674757B (en) | Electromagnetic inductive lamp circuit | |
| CN201937936U (en) | Super energy-saving fluorescent lamp with long service life | |
| CN101309543A (en) | Three-phase centralized controlled electric ballast | |
| CN2612205Y (en) | Dual-purpose electronic ballast for fluorescent lamp and gas discharge lamp | |
| CN2543321Y (en) | Low-cost electronic ballast for high-intensity gas discharge lamp | |
| Cheng et al. | A Novel Single-Stage High-Power-Factor AC-DC LED Power Supply for Streetlight Applications | |
| CN102665331A (en) | Single-supply illumination system with multiple light sources | |
| CN202535620U (en) | Electronic ballast for high-pressure sodium lamp | |
| CN202503746U (en) | Single power supply illumination system with a plurality of light sources | |
| CN202425173U (en) | Long-life electrode-type illuminating lamp circuit | |
| CN201194443Y (en) | Constant power timed light regulating HID electronic ballast | |
| CN2774072Y (en) | Circuit of electromagnetic induction light | |
| CN200969700Y (en) | Electrodeless lamp | |
| CN101600288B (en) | Electronic ballast circuit adaptable to common light adjustor to adjust light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130331 |