CN2055315U - Inductance-electronic ballast - Google Patents

Abstract

The utility model relates to an inductance-electronic ballast, which is composed of a starting coil L [2], a main coil L-[1], a capacitor C and a resistor R. The starting coil L-[2] is inversely connected in series with the main coil L-[1] and a fluorescent tube is therefore, preheated within a short time, and the starting coil L-[2] is connected in series with the capacitor C, which make the fluorescent tube work reliably. The inductance-electronic ballast has no starter, the structure is simple, and the starting time is within one second; besides, the inductance-electronic ballast can start and work reliably under low voltage and zero temperature, the service life of the fluorescent tube is long, and the power conversation can be 20%.

Description

Inductance-electronic ballast

The utility model relates to a kind of inductance electronic ballast, is family, factory, and the ballast that uses of other place fluorescent lamp.

Public fluorescent-lamp ballast circuit, utilize the electric current of unexpected cut-out inductance element during startup and produce self-induced e.m.f, superpose with supply voltage, help fluorescent lamp starting, because the time of starter cut-off loop electric current is at random, when near alternating voltage is in zero point, can not start at all, need starter to beat repeatedly, this has just extended start-up time (normal voltage 1-4 second, under-voltage 1-15 second), directly influence lamp tube service life, and starting current is than big many of operating current, the starter life-span itself is short; Power factor is also very low, generally 0.2-00.5 only.

The purpose of this utility model is to improve the startability of ballast, and traditional inductor and electronic component are combined, and has given up starter, make ballast start fast, power factor is high, can start under low-voltage, low temperature, toggle speed is steady rapidly, prolonging lamp tube useful life.

Utility model is achieved in that a kind of inductance electronic formula ballast, by actuating coil L ₂, main coil L ₁, capacitor C, resistance R form inductance electronic formula ballast circuit, actuating coil L ₂With main coil L ₁Differential concatenation, actuating coil L ₂With capacitor C series connection, resistance R and capacitor C parallel connection, when connecting the 220V AC power, electric current is through actuating coil L ₂, Filament of fluorescent lamp 1, capacitor C, Filament of fluorescent lamp 2 form loops, ballast is a shell type core, adopts high silicon silicon steel material, does not have filler between shell and the charged materials, main coil L ₁Coil turn 980-1100, actuating coil L ₂The number of turn 400～520.

The utlity model has following characteristics:

(1) starts soon, be less than 1 second common ballast start-up time following start-up time within 5 seconds in normal voltage;

(2) power factor is greater than 0.85;

(3) the low-voltage startability is good, all can reliably start at 160V～240V voltage;

(4) low-temperature startup performance is good, but steady operation still when temperature reaches zero degree;

(5) do not need starter, do not have filler in the ballast;

(6) than common ballast economize on electricity 20%;

(7) prolonging lamp tube service life;

(8) volume is little, and whole ballast is 115 * 45 * 44mm, and is in light weight;

Fig. 1: inductance electronic formula ballast circuit figure

Fig. 2: inductance electronic formula ballast winding diagram

Now further narrate the utility model in conjunction with the accompanying drawings

Referring to Fig. 1: actuating coil L ₂With main coil L ₁Differential concatenation provides bigger preheat curent for the fluorescent tube filament, makes fluorescent tube give heat within a short period of time, is easy to start.Actuating coil L ₂With the capacitor C series connection, make lamp tube ends produce higher puncture voltage rapidly, make fluorescent tube puncture conducting, after the conducting, use main coil L ₁Rectification is stably worked fluorescent tube.Resistance R and capacitor C parallel connection make when outage, the electric energy of the capacitor C accumulation path of releasing, and fail safe is good.Filament of fluorescent lamp 1,2, fluorescent tube 3, live wire 4, ground wire 5.

Referring to Fig. 2: red lead wire 6 line 4 of starting to exchange fire, green pigtail 7 and white lead-in wire 8 connect fluorescent tube 3 one end pins and are communicated with filament 2, and yellow lead 9 connects fluorescent tube 3 other end pins and is communicated with filament 1, another pin earth connection 5, ballast 10.

Now further narrate parameter of the present utility model in conjunction with example:

Close fit is wanted in the moulding of ballast shell integrally stretching, non-filler, and the ballast overall dimensions are: 115 * 45 * 44mm

Iron core is the modified model shell type core, high silicon steel sheet;

Main coil L ₁: 1080 circles

Actuating coil L ₂: 450 circles

Resistance :-4

Skeleton: insulating paper moulding

Claims (3)

1, a kind of inductance electronic formula ballast is by actuating coil L ₂, main coil L ₁, capacitor C, resistance R form inductance electronic formula ballast circuit, feature of the present utility model is: actuating coil L ₂With main coil L ₁Differential concatenation, actuating coil L ₂With capacitor C series connection, resistance R and capacitor C parallel connection, when connecting the 220V AC power, electric current is through actuating coil L ₂, Filament of fluorescent lamp 1, capacitor C, Filament of fluorescent lamp 2 form loops;

2, inductance electronic formula ballast according to claim 1, it is characterized in that: shell type core adopts high silicon silicon steel material, does not have filler between shell and the charged materials;

3, inductance electronic formula ballast according to claim 1 and 2 is characterized in that: main coil L ₁Coil turn 980～1100, actuating coil L ₂The number of turn 400～520.

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