CN101442868B

CN101442868B - Energy-saving electronic ballast

Info

Publication number: CN101442868B
Application number: CN 200710170595
Authority: CN
Inventors: 徐小良
Original assignee: Shanghai Yaming Lighting Co Ltd
Current assignee: Shanghai Yaming Lighting Co Ltd
Priority date: 2007-11-19
Filing date: 2007-11-19
Publication date: 2012-11-07
Anticipated expiration: 2027-11-19
Also published as: CN101442868A

Abstract

The invention relates to an energy saving type electronic ballast, the whole circuit is divided into two blocks: an electronic ballast part and a time controller part. The electronic ballast consists of a transistor, a choke and so on, used for starting three 18W luminous tubes and make them work stably; the time controller part consists of an oscillator CD4060, a counter CD4040 and a seal-in relay SW, used for making two of the three 18W luminous tubes to turn off automatically when they works till midnight. The invention achieves the advantages of low cost and simple structure, can saves about 1/3 electric energy when used in the lamps in office building or supermarket, thereby has social, economic and environment protecting benefit.

Description

A kind of energy-saving electronic ballast

Technical field

The present invention relates to the correlative technology field of electric lighting control, specifically a kind of energy-saving electronic ballast.

Background technology

21 century is an energy starved epoch, and it is extremely important that energy savings, the unnecessary energy waste of minimizing have become.3 traditional in the past pipe 18W electronic ballast for fluoresent lamps especially in some places that need light a lamp all night (like office block, large supermarket etc.), can't be regulated the control section lamp tube starting as required, close, and cause unnecessary energy resource consumption.

Summary of the invention

The purpose of this invention is to provide a kind of energy-saving electronic ballast, solved 3 traditional in the past pipe 18W electronic ballast for fluoresent lamps, can't regulate the control section lamp tube starting as required, close, had the problem of unnecessary energy resource consumption.

For realizing above-mentioned purpose, the present invention has adopted following technical scheme:

The invention discloses a kind of energy-saving electronic ballast; Comprise that electromagnetic interface filter, bridge rectifier and DC/AC inverter connect successively; Its output connects into major loop with the light source load; It is characterized in that: electric ballast also comprises a time controller, and described time controller is connected in sequence by oscillator, counter and a relay, and the contact switch of relay is serially connected with in the fractional load loop.

Described light source load is the fluorescent lamp with three fluorescent tubes, and the relay normally-closed contact switch series in the time controller is connected in the circuit loop of two fluorescent tubes wherein.

Counter in the described time controller is integrated counter CD4040, and oscillator is integrated oscillator CD4060.

The invention has the advantages that: cost is low, simple in structure, uses at office, office building or large supermarket's lamp for some, can practice thrift about 1/3 electric energy, has society, economy and environmental benefit.

Description of drawings

Fig. 1 is a circuit module sketch map of the present invention.

Fig. 2 is the circuit diagram of electric ballast part of the present invention.

Fig. 3 is the circuit diagram of time controller part of the present invention.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

A kind of energy-saving electronic ballast can make 3 18W fluorescent tubes in 3 pipe 18W Frame lamps or the Grille lamps after working far into the night, and closes wherein 2 fluorescent tubes automatically, thereby reaches the electrical design of the electric ballast that reduces energy resource consumption.Entire circuit mainly is divided into 2 bulks, electric ballast part and time controller part, (as shown in Figure 1).The electric ballast part comprises that mainly electromagnetic interface filter, bridge rectifier and DC/AC inverter connect successively, and its output connects into major loop with the light source load, and the effect of electric ballast part is to start 3 18W fluorescent tubes and make its steady operation; The time controller part mainly is connected in sequence by oscillator CD4060, counter CD4040 and normally closed relay SW, and the normally-closed contact switch series of relay SW is connected in the circuit loop of 2 18W fluorescent tubes.The input of time controller part link to each other with the input of electric ballast (PORT1, PORT2), the output of time controller part then with PORT3, PORT4 is continuous.

By Fig. 2, shown in Figure 3, after port L, N inserted the 230V power supply, 2 bulks of circuit were all started working.After inserting the 230V power supply, a power supply part produces the VDC about 300V through D1 ~ D4 diode full-bridge rectification because this moment PORT3, the relay that PORT4 connect is normally closed, PORT3, PORT4 are conductings, so LAMP3, LAMP2 can operate as normal.During lamp work, Q1, the Q2 transistor is alternate conduction repeatedly, forms alternating current, and current circuit is pressed :+V _DC-C4--(filament FL1--C5--filament FL2--choke L2//filament FL3-C6--filament FL4--choke L3//filament FL51-C7--filament FL6--choke L4)--T2 primary coil T2a--Q2--ground, and Q1-T1a-(L2-filament FL2-C5 one filament-FL1//L3-filament FL4-C6 one filament-FL3//L4-filament FL6-C7 one filament-FL5)-C10 one ground.While another part; Through PORT1; PORT2 produces VDC (about 50V) after the resistance-capacitance depressurization through C1A, the D1A-D4A rectification, and VDC starts working CD4060, CD4040 integrated circuit; CD4060 produces vibration (frequency of oscillation of integrated circuit CD4060 is by R7A, R11A, R12A and C5A decision), offers CD4040 and counts.After recording set point, 1 pin of CD4040 meeting can produce a high level, makes Q1A conducting and the chain K3021P of making conducting.After the K3012P conducting, VDC then is added on the coil of relay SW, makes relay switch S break off (PORT3, PORT4 breaks off), and the loop that cuts off LAMP3, LAMP2 forces LAMP3, LAMP2 not to work.To reach the effect of saves energy.

Usually the shut-in time of fluorescent tube LAMP3, LAMP2 is 8 hours (back of turning on light), as the switch of the S1 that closes then the shut-in time just becomes 4 hours.

Claims

1. energy-saving electronic ballast; Comprise that electromagnetic interface filter, bridge rectifier and DC/AC inverter connect successively; Its output connects into major loop with the light source load; It is characterized in that: said electric ballast is applied in the circuit of 3 18W fluorescent tubes in 3 pipe 18W Frame lamps or the Grille lamp; Said electric ballast also comprises a time controller, and described time controller is connected in sequence by oscillator, counter and a relay, and the contact switch of said relay is serially connected with in the fractional load loop; Described light source load is the fluorescent lamp with three 18W fluorescent tubes; Relay normally-closed contact switch series in the said time controller is connected in the circuit loop of two 18W fluorescent tubes wherein, and the input of time controller part links to each other with the input of electric ballast, and said time controller output partly then links to each other with the output of electric ballast.

2. a kind of energy-saving electronic ballast according to claim 1 is characterized in that: the counter in the described time controller is integrated counter CD4040.

3. a kind of energy-saving electronic ballast according to claim 1 is characterized in that: the oscillator in the described time controller is integrated oscillator CD4060.