CN2136571Y - Electronic ballast - Google Patents
Electronic ballast Download PDFInfo
- Publication number
- CN2136571Y CN2136571Y CN 92230826 CN92230826U CN2136571Y CN 2136571 Y CN2136571 Y CN 2136571Y CN 92230826 CN92230826 CN 92230826 CN 92230826 U CN92230826 U CN 92230826U CN 2136571 Y CN2136571 Y CN 2136571Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- fluorescent lamp
- inductor
- starter
- 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
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model discloses an electronic ballast, which is composed of a current limiting circuit of an inductor, a low voltage which is composed of a diode and a starter, and a starting circuit which is rapid and is preheated in a lamp tube. The utility model uses power frequency voltage to make a daylight lamp worked. The utility model has the advantages of simple structure and low cost. The utility model also avoids the high-frequency interference. The utility model is a simple and practical electronic ballast.
Description
Electric ballast of the present utility model.
Electric ballast power factor (PF) height, the advantage that noise is low has broad application prospects, and existing electric ballast adopts high-frequency oscillating circuits, components and parts require high, circuit complexity, cost height, in addition, the higher-order of oscillation has interference and destruction to telecommunication, electrical equipment, has influenced applying of it.
The purpose of this utility model provides a kind of electric ballast, and it is simple in structure, and components and parts are few, and cost is low, adopts power-frequency voltage to make fluorescent lamp work.
The purpose of this utility model be achieved in that low pressure that electric ballast is made up of inductor current-limiting circuit, diode and starter, fast and fluorescent tube have the starting circuit of preheating to constitute, one end of inductor input termination power, one end of the output termination fluorescent lamp of inductor, be connected in parallel on each joint of two ends of fluorescent lamp another termination power one end of fluorescent lamp after diode and the starter series connection.
Below in conjunction with accompanying drawing the utility model is done further description, accompanying drawing is a circuit diagram of the present utility model, and L is an inductor among the figure, and D is a diode, and S is a starter, and Q is a fluorescent lamp.Its operation principle is such: when the positive half cycle of alternating current, electric current is through L, filament, D, S, filament, when the alternating current negative half period, diode ends, circuit does not have the electric current mistake, after two contacts of starter, during the positive half cycle of alternating current, electric current is through L, filament, D, S, filament, the fluorescent lamp preheating, when the alternating current negative half period, diode ends, and electric current is through fluorescent lamp, inductor, the starter two contact times of releasing, inductor produces self induction voltage, and it is shinny with regard to build-up of luminance that fluorescent lamp obtains high voltage, behind the fluorescent lamp build-up of luminance, the inductor current limliting according to the power difference of fluorescent lamp, and is selected the inductance value of corresponding L for use.
The utility model is simple in structure, and components and parts are few, and cost is low, makes fluorescent lamp work with power-frequency voltage, has avoided High-frequency Interference, is a kind of simple and practical electric ballast.
Claims (3)
1, a kind of electric ballast, it is characterized in that it being the inductor current-limiting circuit, the low pressure of forming by diode and starter, quick and filament has the starting circuit of preheating to constitute, one end of the input termination power of inductor, one end of inductor output termination fluorescent lamp is connected in parallel on each joint of fluorescent lamp two ends an end of another termination power of fluorescent lamp after diode and the starter series connection.
2, electric ballast according to claim 1 is characterized in that described current-limiting circuit is the inductor current-limiting circuit.
3, electric ballast according to claim 1 is characterized in that described starting circuit is two utmost points and starter series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92230826 CN2136571Y (en) | 1992-08-16 | 1992-08-16 | Electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92230826 CN2136571Y (en) | 1992-08-16 | 1992-08-16 | Electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2136571Y true CN2136571Y (en) | 1993-06-16 |
Family
ID=33773857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92230826 Expired - Fee Related CN2136571Y (en) | 1992-08-16 | 1992-08-16 | Electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2136571Y (en) |
-
1992
- 1992-08-16 CN CN 92230826 patent/CN2136571Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |