CN2395497Y - Ballast of fluorescent lamp - Google Patents
Ballast of fluorescent lamp Download PDFInfo
- Publication number
- CN2395497Y CN2395497Y CN 99221380 CN99221380U CN2395497Y CN 2395497 Y CN2395497 Y CN 2395497Y CN 99221380 CN99221380 CN 99221380 CN 99221380 U CN99221380 U CN 99221380U CN 2395497 Y CN2395497 Y CN 2395497Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- lamp
- voltage
- fluorescent
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to am amperite for fluorescent lamps, which mainly solves the problems that the existing products can be damaged easily and has low work efficiency and difficult starting, lamp tubes can not be fully used, etc. The utility model is characterized in that capacitance among connection of a diode is used for supplying instant high voltage for a fluorescent lamp before the starting of the fluorescent lamp and supplying steady normal working voltage during working process after the starting according to the voltage multiplying rectification principle and the bridge rectification principle. When the chemical lamp is started, a stable normal working voltage is arranged in the course of work. The utility model has reasonable structure, can fully use lamp tubes and can work normally even if filaments on both ends of a lamp tube are both fused. The utility model can carry flexible regulation and match according to the power requirement of lamp tubes and can work normally when lamp tubes with single power have different power grades. The utility model can be started smoothly and work normally under low voltage.
Description
The utility model has related to a kind of life fluorescent lamp ballast.
At present, fluorescent lamp ballast mainly contains two kinds of electric ballast and inductance type ballasts.Rely on glow discharge to finish mechanical action in the inductance type ballast bimetal leaf type starter course of work, work as voltage instability, start when frequent, starter continuous discharge thereby seriously generate heat and cause damage; The circuit complexity of electric ballast own, and it is fragile when high voltage, big electric current to contain elements such as resistance, large power triode, and above-mentioned two kinds of ballasts start difficulty under low-voltage, power is non-adjustable, can not work when one of fluorescent tube or two filaments damages, cause waste.
The purpose of this utility model provides a kind of novel fluorescent lamp ballast, and existing product is fragile to overcome, the life-span short, can not make full use of problems such as fluorescent tube, inefficiency.
Introduce the utility model below in conjunction with accompanying drawing.
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model 40W fluorescent tube ballast schematic diagram (wherein: 1 is circuit part, and 2 is inductive part, and 3 is common fluorescent tube, and 4 is shell).
Known that by Fig. 1 the utility model comprises line, the housing composition that connects power supply and fluorescent tube, circuit input end E, D connect the power supply line respectively, meet diode 2AP between AB, BC, CD, DF, FG, the GH
1To 2AP
6, meet diode 2AP between AC, CE, EF, the FH
7To 2AP
10Connect capacitor C between BD, the DG
1, C
2Circuit output end A, H connect the fluorescent tube line respectively.Multistage tap D is arranged in the middle of can establishing between power supply line and circuit input end E or the D
1, D
2, D
3D
nInductance 2, D
1, D
2, D
3D
nIn a tap link to each other with K switch.
The utility model can make full use of fluorescent tube, even all fused still can operate as normal for the filament of common lamp tube ends, and require according to different power of lamp tube convenient adjustable, coupling flexibly.Effectively reduce under the circuit power consumption, particularly low voltage and can guarantee that still fluorescent lamp starts work smoothly.
Fig. 2 is an embodiment of the present utility model: 1 is circuit: C among the figure
1=C
2=200n, 2AP
1To 2AP
10Be diode 1N 4007; 2 is commercially available 40W fluorescent lamp inductance coil; 3 is the common fluorescent tube of commercially available 40W fluorescent lamp (old fluorescent tube, the two ends filament fuses).
Electric current does not produce voltage U at A, B between the two ends after by inductance when fluorescent tube is worked
AB, and respectively to C
1, C
2And diode 2AP
7, 2AP
8, 2AP
9, 2AP
10Two ends charging (utilizing electric capacity between diode knot itself) makes 2AP
8, 2AP
9Both end voltage is respectively near U
ABThe U of peak value
m, while C
1, C
2And 2AP
7And 2AP
10Both end voltage is charged near 2U
mThen C, D both end voltage are near 6U
mMercury vapour is activated in lamp tube ends THE FILAMENT DISCHARGE AND, the pipe under this voltage, fluorescent tube starts, begin luminously, itself resistance reduces fluorescent tube conduction itself before not luminous relatively after the lamp luminescence, become the part of circuit, in this moment circuit on the electric capacity electric charge be released, when first positive half cycle of alternating voltage comes interim (it is negative to establish the positive M of N), electric current flows through 2AP
4, 2AP
10To the D point, by behind the fluorescent tube to the C point, through 2AP
7, 2AP
8And inductance flow to M, and that second half cycle comes is interim (M just, N negative), and electric current flow to the B point through 2AP through inductance
9, 2AP
10To the D point, behind fluorescent tube, flow to a C, then through 2AP
7, 2AP
3Flow to a N, the 3rd half cycle and the 4th half cycle come interim, and circuit repeats first and second half cycle process, backward and the like entire circuit be connected among the circuit so fluorescent tube operate as normal after being equivalent to inductance and fluorescent tube being connected.
Claims (2)
1, a kind of fluorescent lamp ballast comprises power supply line, fluorescent tube line, housing composition, it is characterized in that circuit input end E, D connect power supply respectively, meet diode 2AP between AB, BC, CD, DF, FG, the GH
1To 2AP
6, meet diode 2AP between AC, CE, EF, the FH
7To 2AP
10, connect capacitor C between BD, the DG
1, C
2, circuit output end A, H connect the fluorescent tube line respectively.
2, fluorescent lamp ballast according to claim 1 is characterized in that can being provided with tap D between power supply line and circuit input end E or the D
1, D
2, D
3D
nMultistage adjusting inductance 2, D
1, D
2, D
3D
nIn a tap link to each other with K switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99221380 CN2395497Y (en) | 1999-06-25 | 1999-06-25 | Ballast of fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99221380 CN2395497Y (en) | 1999-06-25 | 1999-06-25 | Ballast of fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395497Y true CN2395497Y (en) | 2000-09-06 |
Family
ID=34011949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99221380 Expired - Fee Related CN2395497Y (en) | 1999-06-25 | 1999-06-25 | Ballast of fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395497Y (en) |
-
1999
- 1999-06-25 CN CN 99221380 patent/CN2395497Y/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 |