CN201213325Y - Starter for fluorescent lamp - Google Patents

Abstract

The utility model discloses a fluorescent lamp starter, comprising: diodes (D1, D2, D3, D4), capacitors (C1, C2, C3, C4); four circuits are formed respectively, namely: 1) a live wire is connected to the anode of the diode (D1), and the cathode of the diode (D1) is connected to the neutral line through the capacitor (C1); 2) the live wire is connected to the cathode of the diode (D2) through the capacitor (C3), the anode of the diode (D2) is connected to the neutral line through the capacitor (C1), and the positive pole of the voltage output terminal is drawn between the capacitor (C3) and the cathode of the diode (D2); 3) the live wire is connected to the anode of the diode (D3) through the capacitor (C4), the cathode of the diode (D3) is connected to the neutral line through the capacitor (C2), and the negative pole of the voltage output terminal is drawn between the capacitor (C4) and the anode of the diode (D3); 4) the live wire is connected to the cathode of the diode (D4), and the anode of the diode (D4) is connected to the neutral line through the capacitor (C2). The energy-saving effect is obvious. When working normally, the working current is only half or less than half of that of traditional products. Under rated voltage, the power saving efficiency is as high as more than 40%, and the reflection intensity exceeds that of inductive ballast fluorescent lamps.

Description

A fluorescent lamp starter

technical field

The utility model relates to a fluorescent lamp starter.

Background technique

At present, there are many ways to start fluorescent lamps, which can be roughly divided into three types: one is to start with a rectifier and a starter. At this time, the power supply voltage is required to be high. In the case of low temperature and low pressure, it is difficult and slow to start. , due to the large starting current, the two ends of the lamp tube are easy to black, and there is a stroboscopic phenomenon when working in a low-frequency AC state; the second is to use an oscillating circuit to generate high voltage, so that the two ends of the fluorescent lamp can work with high frequency and high voltage, and the power grid fluctuates In addition, due to the large number of electronic components, complex circuits, poor working reliability and high failure rate, the electronic components used are easily damaged by the impact of instantaneous high current, and the service life is low; the third is to use capacitors to charge and discharge Although it can make the broken filament tube glow, the power of the fluorescent lamp is extremely low, far less than the rated value, especially for the 40W fluorescent lamp, and after it is turned on, there is still an intermittent impact current passing through the filament, causing the filament to burn out quickly .

Utility model content

The purpose of the utility model is to provide a fluorescent lamp starter with simple structure, no flicker and suitable for both new and old lamp tubes.

The utility model adopts the following technical scheme, a fluorescent lamp starter, including diodes D1, D2, D3, D4, capacitors C1, C2, C3, C4 and resistor R1; respectively forming four loops, respectively: 1) the live wire connects the diode The anode of D1 and the cathode of diode D1 are connected to the neutral line through capacitor C1; 2) The live wire is connected to the cathode of diode D2 through capacitor C3, the anode of diode D2 is connected to the neutral line through capacitor C1, and the resistor R1 is connected between the capacitor C3 and the cathode of diode D2 to lead out the voltage output terminal To the lamp; 3) The live wire is connected to the anode of the diode D3 through the capacitor C4, and the cathode of the diode D3 is connected to the neutral wire through the capacitor C2, and another voltage output terminal is drawn between the capacitor C4 and the anode of the diode D3 to the other end of the lamp; 4) The live wire Connect the cathode of diode D4, and connect the anode of diode D4 to the neutral line through capacitor C2.

According to the utility model, connecting the resistor R2 between the capacitor C4 and the anode of the diode D3 leads to another voltage output end to the other end of the lamp tube. The fuse FU is connected in series at the common ends of the neutral wires of the four loops.

Compared with the prior art, the utility model has the advantages that:

Non-leakage fluorescent tubes that cannot be started or no longer emit light under traditional iron core ballasts can be started and used normally; the energy saving effect is obvious, and the working current is only half or less than that of traditional products during normal operation. , the power saving efficiency is as high as more than 40%, and the reflection intensity exceeds the inductive ballast fluorescent lamp; the starting performance is good, and it can work under the grid with unstable voltage for a long time; the applicable voltage starting range is large, and it can also work under the AC voltage less than 110V It lights up and works normally in the range of 150V to 250V, which is most suitable for use in areas with low power supply voltage; when working, there is no noise, no flicker, no power interference, and it can reduce eye fatigue and protect eyesight; Without a starter, the one-time start-up speed is less than 0.5 seconds, which reduces the instantaneous strobe voltage, reduces the frequent impact of current on fluorescent tubes and filaments, and easily causes filaments to burn out; overcomes the weakness of traditional inductive ballasts, No noise, no interference with TV images and audio equipment.

Description of drawings

Fig. 1 is a circuit diagram of the utility model.

Detailed ways

As shown in Figure 1, a fluorescent lamp starter includes: diodes D1, D2, D3, D4, and capacitors C1, C2, C3, and C4, respectively forming four loops, which are: 1) The live wire is connected to the anode of the diode D1, and the diode The cathode of D1 is connected to the neutral line through the capacitor C1; 2) The live wire is connected to the cathode of the diode D2 through the capacitor C3, and the anode of the diode D2 is connected to the neutral line through the capacitor C1, and the positive pole of the voltage output terminal is drawn between the capacitor C3 and the cathode of the diode D2; 3) The live wire passes through the capacitor C4 Connect the anode of the diode D3, the cathode of the diode D3 is connected to the neutral line through the capacitor C2, and the negative pole of the voltage output terminal is drawn between the capacitor C4 and the anode of the diode D3; 4) The live wire is connected to the cathode of the diode D4, and the anode of the diode D4 is connected to the neutral line through the capacitor C2.

In order to prevent the impact of excessive current on the fluorescent lamp and reduce the service life, a current-limiting resistor R1 and R2 can be connected in series at the positive and negative output terminals; a fuse FU can be connected in series at the common terminal of the neutral line of the four circuits.

The above-mentioned capacitors C3 and C4 are 103/630V, current-limiting resistors R1 and R2 are 5W/150Ω, diodes D1, D2, D3, and D4 are IN4007, and fuses are FU and 1A/250V; for 30W and 40W fluorescent lamps, Capacitors C1 and C2 use 225/250V, and for fluorescent lamps below 20W, capacitors C1 and C2 use 105/250V.

When the positive half cycle of the AC voltage passes through the side of the neutral line insurance FU, the fully charged capacitor C1 and the input power supply charge the capacitor C3 through the diodes D2 and D3, and the charging voltage is the maximum value of the AC. In the negative half cycle, the fully charged capacitor C2 and the input power supply charge the capacitor C4 through diodes D1 and D4, and the charging voltage is the maximum value of the alternating current. In this way, the voltages on the capacitors C3 and C4 are superimposed, and the two ends of the capacitors C3 and C4 except the common terminal are respectively used as voltage output terminals through the current limiting resistors R1 and R2. At this time, the power supply on the fluorescent tube is a DC power supply, and the positive and negative poles are directly connected to the two ends of the fluorescent tube.

The two pins at both ends of the lamp tube can be changed into a structure with one pin at one end. When the power is turned on, the fluorescent tube (which can be a broken wire tube) is connected instantaneously to achieve the effect of being on immediately when it is turned on.

This circuit can be used on any ordinary fluorescent tubes and energy-saving fluorescent tubes.

Claims (3)

1, a kind of fluorescent lamp starter is characterized in that, comprising: diode (D1, D2, D3, D4), electric capacity (C1, C2, C3, C4) and resistance (R1); Form four loops respectively, be respectively: 1) live wire connects diode (D1) anode, and diode (D1) negative electrode is by electric capacity (C1) connecting to neutral line; 2) live wire connects diode (D2) negative electrode by electric capacity (C3), and diode (D2) anode connects zero line by electric capacity (C1), connects resistance (R1) extraction voltage output to fluorescent tube between electric capacity (C3) and diode (D2) negative electrode; 3) live wire connects diode (D3) anode by electric capacity (C4), and diode (D3) negative electrode connects zero line by electric capacity (C2), draws the other end of another voltage output end to fluorescent tube between electric capacity (C4) and diode (D3) anode; 4) live wire connects diode (D4) negative electrode, and diode (D4) anode is by electric capacity (C2) connecting to neutral line.

2, fluorescent lamp starter according to claim 1 is characterized in that, describedly connects resistance (R2) draw the other end of another voltage output end to fluorescent tube between electric capacity (C4) and diode (D3) anode.

3, fluorescent lamp starter according to claim 1 is characterized in that, described four loop zero line common port serial connection fuses (FU).

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