CN2043815U - Ballast with electronic starter - Google Patents
Ballast with electronic starter Download PDFInfo
- Publication number
- CN2043815U CN2043815U CN 88220898 CN88220898U CN2043815U CN 2043815 U CN2043815 U CN 2043815U CN 88220898 CN88220898 CN 88220898 CN 88220898 U CN88220898 U CN 88220898U CN 2043815 U CN2043815 U CN 2043815U
- Authority
- CN
- China
- Prior art keywords
- ballast
- fluorescent tube
- electric capacity
- control switch
- diode
- 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.)
- Pending
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model provides an electronic starting ballast, mainly comprising an electrical inductance, a capacitance, a ballasting diode and a switch. The utility model is suitable for the low temperature and low voltage conditions, has the advantages of simple structure, fast starting, small power consumption and no stroboflash, has higher power factor, enables the discarded lamp tube without air leakage to be used again, causes the brightness to obtain the rated luminous flux, and extends the service life of the lamp tube.
Description
The utility model belongs to the electrical lighting device, especially is applicable to a kind of electric start ballast of fluorescent lamp.
In the prior art, fluorescent lamp comprises fluorescent tube, ballast and starter.Wherein neon tube formula starter is when operating voltage or ambient temperature are low, often can not make the fluorescent tube operate as normal because neon tube formula starter constantly repeats the starter action, aggravated the aging of fluorescent tube, and only adopt inductance type ballast in the circuit, make the serious And of fluorescent tube stroboscopic and disturbed the use of other household electrical appliance, its power factor is lower, power consumption is big.
That the purpose of this utility model provides and a kind ofly is applicable to the low-pressure low-temperature condition, starts is fast, the little fluorescent tube long service life of power consumption, do not have stroboscopic, have higher Gong to lead Yin Shuo And can to make the gastight electric start ballast that fluorescent tube is recovered lost eyesight of scrapping.
Design philosophy of the present utility model is: the characteristic of utilize the rectifier diode forward conduction, oppositely ending, series capacitance is charged.Make the series capacitance two ends form high voltage, the lamp base at fluorescent tube two ends and the Dian Rong And connection of connecting, high voltage can make the two ends of fluorescent tube produce preheating, at this moment the starter control switch is disconnected, electric current circulates in fluorescent tube entirely, the high voltage at series capacitance two ends, the normal luminous back of fluorescent tube is reduced to normal working voltage immediately, series capacitance and fluorescent tube De And connection can improve power factor and the stroboscopic that overcomes fluorescent tube.Because in the start-up course of fluorescent tube, there is high voltage at the two ends of fluorescent tube, therefore, gastight waste fluorescent lamp can excite discharge ， And to reach specified illuminating effect too.
In conjunction with the accompanying drawings and embodiments, the utility model is further described as follows:
Fig. 1 is the circuit diagram of electric start ballast.
With reference to accompanying drawing: power control switch 3 joins with an end of inductance 10, ballast diode 1 input is connected with an end of starter control switch 4, the input of ballast diode 13, one end of electric capacity 8, lamp base 11 is connected with starter control switch 4 other ends, the other end of inductance 10 is connected with the output of ballast diode 13, the input of ballast diode 14 and lamp base 12, the electric capacity 5 that is in series and electric capacity 8 and lamp base 6 and lamp base 11 be the And connection Xiang, the output of ballast diode 14 is connected between electric capacity 5 and the electric capacity 8, the output of ballast diode 1, the input of ballast diode 2 and lamp base 7 all are connected with electric power loop.
When switch 3 conductings, switch 4 conductings simultaneously, alternating current is through 8 chargings of 2 pairs of electric capacity of ballast diode, meanwhile alternating current is through 8 chargings of 14 pairs of electric capacity of ballast diode, voltage stack on electric capacity 5 and the electric capacity 8, produce about 440 volts high voltage, thereby make two end preheatings of fluorescent tube 9, start, electric current just can pass through in fluorescent tube like this, owing to just can make the alternating current conducting after the heating of the filament (the negative electrode pin of waste fluorescent lamp) at fluorescent tube 9 two ends, therefore, before the conducting of fluorescent tube 9, one road electric current is arranged through switch 3, inductance 10, lamp base 12, lamp base 11, (if the filament between lamp base 11 and the lamp base 12 is disconnected, then make two negative electrode pin discharge conducting because of the voltage effect) switch 4, ballast diode 1 and constitute the loop, after the heating of fluorescent tube 9 two ends, should in time switch 4 be disconnected, allow electric current all in fluorescent tube 9, pass through, then the fluorescent tube operate as normal.Switch 4 is controlled in after the conducting 1～3 second and disconnects, and after fluorescent tube 9 operate as normal, reduces to operating voltage ， And immediately Yu the high voltage of the electric capacity 5 of Qi And connection and electric capacity 8 and plays a part to improve power factor, eliminates stroboscopic.
Claims (2)
1, a kind of electric start ballast, it comprises power control switch 3, inductance 10, starter control switch 4, four rectifier diode (1,2,13,14) series capacitances 5 and electric capacity 8, it is characterized in that rectifier diode 1, starter control switch 4 and rectifier diode 13 are in series, rectifier diode 2 is connected with series capacitance 5, rectifier diode 14 is connected in electric capacity 5 and electric capacity 8 between.
2, electric start ballast according to claim 1, it is characterized in that power control switch 3 and 4 conductings simultaneously of starter control switch after, the ON time of starter control switch 4 was controlled in 1～3 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88220898 CN2043815U (en) | 1988-12-06 | 1988-12-06 | Ballast with electronic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88220898 CN2043815U (en) | 1988-12-06 | 1988-12-06 | Ballast with electronic starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2043815U true CN2043815U (en) | 1989-08-30 |
Family
ID=4853027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88220898 Pending CN2043815U (en) | 1988-12-06 | 1988-12-06 | Ballast with electronic starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2043815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724794A (en) * | 2012-05-31 | 2012-10-10 | 李汉方 | Improved low frequency inductance rectifier |
-
1988
- 1988-12-06 CN CN 88220898 patent/CN2043815U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724794A (en) * | 2012-05-31 | 2012-10-10 | 李汉方 | Improved low frequency inductance rectifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |