CN2174022Y

CN2174022Y - Energy-saver for fluorescent lamp

Info

Publication number: CN2174022Y
Application number: CN 93247844
Authority: CN
Inventors: 陶峰
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-20
Filing date: 1993-12-20
Publication date: 1994-08-10
Anticipated expiration: 2003-12-20

Abstract

The utility model relates to an energy-saver for a fluorescent lamp, which is used for matching an inductance type ballast fluorescent lamp. The utility model is composed of an outer casing, a bottom board, a printed board, a capacitor, a PTC element and a diode. The energy-saver and an induction ballast coil L are connected in series and are connected with an RLC oscillation circuit in parallel, and the load is formed to the power factor above 0.85 of the electric network. The utility model has the advantages of simple structure and easy installation, and the luminescence efficiency of the fluorescent lamp can be increased.

Description

Energy-saver for fluorescent lamp

The utility model relates to a kind of and the matching used energy-saving electric product of inductance type ballast fluorescent lamp.

From the situation of present China, no matter be factory, shop, office, school, or each family, all generally using the fluorescent lighting of old-fashioned inductance type ballast in a large number.Though, recently electronic ballast for fluoresent lamp comes out, but since its at aspects such as wave distortion, reliability, useful life, selling prices all not as inductance type ballast, self power consumption is also unsatisfactory in addition, so still can't extensively be promoted at present, more can't have been removed to replace the inductance type ballast that using in a large number., this inductance type ballast exists a kind of serious defective, in the fluorescent lamp ignition procedures, except that self will consume the certain power, power factor to supply network will drop to below 0.5, make the utilance of power supply unit very low, also reduce the pay(useful) load of transmission line.

The purpose of this utility model is exactly at the low defective of electrical efficiency at the bottom of the existing power factor of inductance type ballast fluorescent lamp, and propose a kind of simple in structure, to power factor of electric network high and can improve luminous efficiency with the matching used energy-saving appliance of inductance type ballast.

The utility model is realized by following structure: it is by flame retardant plastics shell (1), bottom plate (2), printed board (3), bottom plate hold-down screw (4), through wires hole (12), inductor C1(13), capacitor C2(14), PTC element (15), diode (16) is formed.Capacitor C1 is with after the PTC element is in parallel, and the one end links by the end of wiring (5) with 220 volts of power supplys; After one end of the other end and capacitor C 2 joins, link by the end of wiring (7) with Inductive ballast, one end filament of the other end of ballast and fluorescent tube links, the other end of filament and the lead-out wire of diode cathode (8) link, the lead-out wire of diode cathode (9) links with the movable contact spring of starter, and a filament of the static contact of starter and the fluorescent tube other end links; An other end of this filament is with after the other end lead-out wire (6) of capacitor C 2 connects, and the other end with 220 volts of power supplys links again.When the moment of energized, PTC element (15) with electric current-time dynamic characteristic is in the low-resistance conducting state, voltage passes through PTC(12), Inductive ballast (17), filament, rectifier diode (16) are added to the two ends of starter (18), make its very fast ionization conducting, electric current is given Inductive ballast and is stored magnetic energy through the diode halfwave rectifier.When starter disconnected, Inductive ballast produced very high self-induced e.m.f, and the two ends with acting on fluorescent tube after the supply voltage stack are lighted the fluorescent lamp build-up of luminance.After fluorescent lamp is lighted, the very fast sharp increase of the resistance of PTC element, be near open-circuit condition, at this moment alternating current is by the power supply capacitor C 1 of flowing through, and → Inductive ballast → fluorescent tube → power supply constitutes the series connection oscillation circuit, meanwhile, by fluorescent tube, Inductive ballast L, capacitor C 2 has also constituted RLC parallel oscillation loop.Like this, make the energy exchange of carrying out between original Inductive ballast and the power supply (flogging a dead horse) change into the energy exchange between main and capacitor C 2 and the C1.Thereby fluorescent lamp is in these two loops works.

The related accompanying drawing of the utility model has:

Fig. 1, fluorescent lamp energy-saving appliance structure chart;

Fig. 2, the fluorescent lamp operation schematic diagram of band energy-saving appliance;

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 has provided the structure chart of fluorescent lamp energy-saving appliance, its shell adopts high temperature resistant, high-intensity fire proofing single injection-molded, top center line both sides have rectangular louvre (10), the post (11) that the inboard of shell has two fixed printed boards to use, the having an aperture (12) by two bottom sides and connect lead and draw of shell from these two holes.

Fig. 2 has provided the fluorescent lamp electrical schematic diagram that has energy-saving appliance.In this circuit, for the fluorescent lamp of different wattages, the capacity of capacitor C 1 and C2 also has nothing in common with each other, and for example, for one 30 watts fluorescent lamp, gets C1=C2, and capacitance is 2uF+5%, and withstand voltage is the metallized polypropylene film capacitor of 400V.Other, the PTC component parameters is that resistance is 27 ohm, initial current I 〉=1.0A, operating voltage V=400 volt, 30 seconds time＜2mA of current attenuation characteristic, 60 seconds time＜1mA, during operate as normal＜100mA.Rectifier diode is 1A/400V.

After this fluorescent lamp knot can device inserts in the former fluorescent lamp circuit, its advantage was, (1) so that power factor by original less than 0.5, be increased to more than 0.85; (2) suitably reduce the operating current of fluorescent lamp, make the light luminous efficiency be in the best, the consumed power of ballast is reduced, thereby improve the electrical efficiency of fluorescent lamp itself; (3) it is big to solve the use amount of present inductance type ballast, but low this outstanding contradiction of power factor. In addition, this energy-saver for fluorescent lamp has self not consumed power, and safe and reliable, the life-span is long, and is simple in structure, easy for installationly is applicable to mass-produced characteristics.

Claims

1, a kind of fluorescent lamp energy-saving appliance, it is characterized in that: it is by flame retardant plastics shell (1), bottom plate (2), printed board (3), bottom plate hold-down screw (4), through wires hole (12), capacitor C1 (13), capacitor C2 (14), PTC element (15), diode (16) and lead-in wire (5), (6), (7), (8), (9) constitute, capacitor C1 is with after the PTC element is in parallel, the one end links by the end of wiring (5) with 220 volts of power supplys, after joining, one end of the other end and capacitor C 2 links by the end of wiring (7) with Inductive ballast, diode cathode links by lead-out wire (8) and filament one end, the positive pole of diode links by the movable contact spring of lead-out wire (9) with starter, form series connection structure with starter, the other end of capacitor C2 through lead-out wire (6) with after the other end of filament connects, the other end with 220 volts of power supplys links again, bottom plate (2) and flame retardant plastics shell (1) by hold-down screw (4) with printed board and circuit package thereof interior.

2, fluorescent lamp energy-saving appliance according to claim 1, it is characterized in that: also be marked with erection column (11) on the above-mentioned inflaming retarding shell (1), shell top louvre (10), erection column (11) is matched with hold-down screw, and shell top louvre (10) can be several how much holes arranged in a uniform.