CN201255319Y

CN201255319Y - Refitting type energy-conserving long life fluorescent lamp

Info

Publication number: CN201255319Y
Application number: CNU200820164001XU
Authority: CN
Inventors: 李卜
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-29
Filing date: 2008-08-29
Publication date: 2009-06-10
Anticipated expiration: 2018-08-29

Abstract

The utility model relates to a modified energy-saving long-service-life fluorescent lamp, which comprises a lamp holder, an electronic ballast circuit, outer lamp sockets, a sleeve (4), a light tube (5) and sleeve-light tube holders (3, 6); wherein, the outer lamp sockets are arranged on both ends; the sleeve-light tube holders (3, 6) are arranged on both ends of the sleeve (4) and the light tube (5); the outer ends of the two sleeve-light tube holders (3, 6) are provided with plastic parts (1, 7) with pins (9); and an electronic ballast is assembled in the plastic part (1). The fluorescent lamp has the following characteristics: heat-dissipating grooves (2) are arranged on the plastic part (1) with the electronic ballast; a preheating cavity (8) is arranged in the plastic part (7); a resistance element is arranged in the cavity; and the electronic ballast circuit is provided with a light tube abnormality protection circuit (12). Since the ordinary T8 type light tube is substituted by the T5 type energy-saving light tube, the inductive ballast is substituted by the electronic ballast and the fluorescent lamp is added with the heat-dissipating grooves, the filament-preheating structure and the light tube abnormality protection circuit (12), the prior fluorescent lamp can greatly save energy, the illumination intensity is enhanced, the service life is prolonged, testing is safe, the fluorescent lamp can light up without being started as soon as the fluorescent lamp is electrified, replacement is convenient, and a user can personally plug the fluorescent lamp.

Description

Modified type durable energy saving fluorescent lamp

Technical field

The utility model relates to and a kind of common illumination is repacked into the Remarkable Energy Saving fluorescent lamp with fluorescent lamp.

Background technology

The fluorescent lamp that huge numbers of families are civilian, generally use Inductive ballast and common T8 fluorescent tube, in recent years, along with applying of Remarkable Energy Saving electric ballast and power saving fluorescent lamps, people require the mood changed very urgent, as thorough replacing, the many parts of original fluorescent lamp are discarded to cause waste, as disassembles formula part accessory and change, need professional electrician to carry out from house to house, the electric work amount is big, and the user accompanies time-consuming, and both sides are inconvenient.Design a kind of former Fluorescent lamp bracket that utilizes, do not upset the annexation of original circuit substantially, the user can patch the scheme that just realizes replacing voluntarily, and very realistic meanings is arranged.For this reason; the applicant had once applied for " modified type energy-saving daylight lamp " (CN200720302982.5) patent in last Dec 21; but the shell of moulding of the electric ballast of this patent application and control circuit does not have louvre; there is not the filament pre-heating structure; the abnormal condition of lamp tube holding circuit is not set, influences the service life of electronic component, ballast, fluorescent tube.

The utility model content

Wish to repack into the reality of energy-saving T5 fluorescent tube fluorescent lamp at present fluorescent lamp user, the utility model provides a kind of original lamp bracket that utilizes, substantially the layout of not upsetting original line connecting relation and each parts, user's modified type durable energy saving fluorescent lamp that just realize changing, fluorescent tube and ballast long service life of can pegging graft voluntarily.

The utility model can be realized by following measure: it has the jacketed lamp base of outer lamp socket, outer tube, fluorescent tube, outer tube and the lamp tube ends at lamp bracket, electronic ballast circuit, two ends; there is the plastic of band contact pin these two outer ends; wherein adorn electric ballast in the plastic of an end; on the plastic of dress electric ballast radiating groove is arranged; in the plastic of the other end preheating cavity is arranged; the chamber incorporating resistance element has the abnormal condition of lamp tube holding circuit in the control circuit.

Electronic ballast circuit is made up of bridge rectifier, high-frequency inverter circuit and abnormal condition of lamp tube holding circuit three parts.

Said radiating groove is the inclined groove of louvre type.

The beneficial effects of the utility model are: obvious energy conservation, illumination strengthens, moving rate factor height, the long service life of fluorescent tube, electronic component, ballast is tested comparatively safely, does not need build-up of luminance promptly bright, user's replacing of can pegging graft voluntarily, except that removing original fluorescent tube, remaining part keeps original position without exception, reduces the harm of discarded object to environment.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the electronic ballast circuit schematic diagram.

The specific embodiment

The utility model is described in detail below in conjunction with embodiment and with reference to accompanying drawing: because of except that original fluorescent tube of slightly growing is removed, each parts on all the other former fluorescent lamps keep motionless in position, the equal diameters of the diameter of transparent outer sleeve 4 and former T8 fluorescent tube is to adapt to original visual custom.Therefore modified type durable energy saving fluorescent lamp manufacturer only needs the

plastic

1,7 of transparent outer sleeve 4, T5 type

fluorescent tube

5,3,6 liang of outer ends of jacketed lamp base is linked into an integrated entity, and the user just can change former T8 fluorescent tube with this integral type repacking part, slotting getting over.Its electronic ballast circuit is by bridge rectifier 10; high-frequency inverter circuit 11 and abnormal condition of lamp tube holding circuit 12 3 parts are formed; AC mains through after the inductance L again through D1-D4 rectification; C2 filtering; two ends are about the 300V DC voltage; triode T2 is by R6; R5; trigger base stage and conducting; then rely on magnet ring high frequency transformer L3; L4; high frequency oscillation is set up in the coupling of L2 inductance positive feedback; the concussion frequency is about 30-50KHZ; cause L1 rapidly; C5; the LC network generation series resonance that C7 etc. form; produce a high-voltage pulse at the C7 two ends and be applied on the fluorescent tube, make the fluorescent tube ignition trigger.Wherein C5 is a capacitance.

Fluorescent tube one end is that high frequency electric is coupled through C4 through other end civil power low-frequency current again, and its lamp current is approximately sinusoidal envelope ripple, improves power factor.Inductance L, C1 constitute the LC low pass circuit, and the interior higher hamonic wave of circuit is reduced.

Circuit protection mainly carries out from two aspects:

1, the about 130mA of this lamp 28W/220V operating current, when circuit broke down, electric current increased to more than the 200ma, surpass from recovering insurance resistance R ES change to jump electric current, the RES blocking-up, operating current is reduced to about 0.05ma, and circuit presents guard mode.

2, be provided with abnormal condition of lamp tube holding circuit 12 in the electronic ballast circuit; wherein R1, R2 are sample circuit; C1, D1, R3 are shaping circuit; trigger controllable silicon T2 conducting by D2; T1 is saturated; triode T2 base current is reduced, and rectifier circuit quits work, and reaches because of abnormal condition of lamp tube to protect the rectification circuit purpose.

The utility model adopts the radiating groove 2 of louvre type, can increase creep age distance, and contact pilotage is difficult for its interior circuit of contact during test, and is safer.Establish preheating cavity 8 in the jacketed lamp base 7, resistor R E is arranged in the chamber, the shunting preheating filament is with the service life of prolonging lamp tube.Increasing abnormal condition of lamp tube holding circuit 12 in control circuit, is when considering to use, and damages such as cold quick-fried, gas leakage take place fluorescent tube 5, and circuit just quits work voluntarily, and triode in the electric ballast etc. is protected.

Claims

1, a kind of modified type durable energy saving fluorescent lamp; the jacketed lamp base (3,6) that outer lamp socket, outer tube (4), fluorescent tube (5), outer tube (4) and fluorescent tube (5) two ends at lamp bracket, electronic ballast circuit, two ends are arranged; there is the plastic (1,7) of band contact pin (9) these two (3,6) outer ends; wherein adorn electric ballast in the plastic of an end (1); it is characterized in that adorning on the plastic (1) of electric ballast radiating groove (2) is arranged; preheating cavity (8) is arranged in the plastic of the other end (7); chamber incorporating resistance element RE has abnormal condition of lamp tube holding circuit (12) in the control circuit.

2, modified type durable energy saving fluorescent lamp as claimed in claim 1 is characterized in that electronic ballast circuit is made up of bridge rectifier (10), high-frequency inverter circuit (11) and abnormal condition of lamp tube holding circuit (12) three parts.

3, modified type durable energy saving fluorescent lamp as claimed in claim 1 is characterized in that said radiating groove (2) is the inclined groove of louvre type.