CN2483602Y

CN2483602Y - Lamp system with compatibility of T5 and T8 fluorescent lamp

Info

Publication number: CN2483602Y
Application number: CN 01237266
Authority: CN
Inventors: 李阳; 李博; 李先栗
Original assignee: 李阳
Priority date: 2001-04-09
Filing date: 2001-04-09
Publication date: 2002-03-27
Anticipated expiration: 2011-04-09

Abstract

A luminaire system in which T5 and T8 flourescent lamps are compatible, comprises a T8 flourescent stent, electronic ballast for both T5/T8 flourescent lamp tubes. Because both of T5 and T8 flourescent lamp tubes can be applied to the T8 flourescent stent, the utility model can effectively reduce the cost of the T5 flourescent which has good popularization and energy saving effect and high lighting quality, and has the flexibility of applying cooperately T5 and T8 flourescent lamp tubes.

Description

The lamp system of T5, T8 fluorescent lamp compatibility

The utility model relates to a kind of lamp system of fluorescent lamp, the lamp system of especially a kind of T5 and T8 fluorescent lamp compatibility.

Known T5 fluorescent lamp has 14 watts, 21 watts, 28 watts etc., corresponding with them respectively T8 fluorescent lamp has 18 watts, 30 watts, 36 watts etc. (referring to IAEEL newsletterl/97.P4 " T5 Lamps Boost Fluorescent Lighting Efficiency " and GB BG10682-89, P3, P5), both related parameters that has are taken passages as table 1.

Table 1, the major parameter of T5, T8 fluorescent lamp

Model	Power W	Fluorescent tube length m m	Luminous flux lm	Fluorescent tube light efficiency 1m/W	The lamp holder model	Light tube electric voltage V	Lamp current A	Colour rendering index Ra
Model	Power W	Fluorescent tube length m m	Luminous flux lm	Fluorescent tube light efficiency 1m/W	The lamp holder model	Light tube electric voltage V	Lamp current A	Colour rendering index Ra	T5	14	549	1350	96	G5	84	0.17	Greater than 80
21	849	2100	100	123	0.17					14	549	1350	96		84	0.17
21	849	2100	100	123	0.17	28	1149	2900		104	162	0.17
T8	18	590	950	53	G13	28	1149	2900		104	162	0.17	60		0.37	Approximate 70
	18	590	950	53		30	895	1800	60	96	0.365		60		0.37
	36	1200	2500	69		30	895	1800	60	96	0.365	103	0.43

Annotate: the value when the light tube electric voltage value of T5 is high-frequency work; T8 is the low frequency measurement value.

From table 1, be not difficult to find out, known T5 fluorescent lamp can not with the corresponding shared lamp bracket of T8 fluorescent lamp because: 1, fluorescent tube length difference.The fluorescent tube length of T5 fluorescent lamp is than the short 46-51 millimeter of the fluorescent tube length of corresponding T8 fluorescent lamp; 2, lamp holder difference.The T5 fluorescent tube is a G5 type lamp holder, and the T8 fluorescent tube is a G13 type lamp holder.In fact, mainly be that the distance between two lamp bases is different, the distance on the G5 lamp holder of T5 fluorescent lamp between the center line of two lamp bases is 5 millimeters, and the distance between the center line of two lamp bases is 12.7 millimeters on the G13 lamp holder of T8 fluorescent lamp.The difference of above-mentioned fluorescent tube length and lamp holder can not be inserted in the support of T8 fluorescent lamp known T5 fluorescent lamp and is used.Moreover, electric ballast also can't be shared, the light tube electric voltage T8 fluorescent tube more identical than length that is the T5 fluorescent lamp on the one hand doubles (data in the table 1 are because both test frequency differences less than one times) approximately, and the electric ballast of the common T8 of being used for fluorescent lamp is difficult to the T5 fluorescent lamp of normal burning-point correspondence; In addition, even the electric ballast of T8 fluorescent lamp can be lighted corresponding T5 fluorescent lamp under a few cases, but parameters such as the power of T5 fluorescent lamp, electric current must make the overwork of T5 fluorescent lamp well beyond the rated value of known T5 fluorescent lamp, life-span will significantly shorten, and this obviously is unallowed.

In sum, known T5 fluorescent lamp can not shared correspondence the support and the electric ballast of T8 fluorescent lamp, this is totally unfavorable to applying of T5 fluorescent lamp, because the user who has used T8 (and T12) fluorescent lamp is as using the T5 fluorescent lamp instead, just must all abandon original T 8 florescent lamp fittings, again investment buying with a complete set of T5 florescent lamp fitting is installed, waste very greatly, invest also very big.Most users are difficult to this accept.Just because of this, though the T5 fluorescent lamp has the good reputation of latest generation green illumination light source, wherein 28 watts of T5 fluorescent lamps fluorescent lamp high-luminous-efficiency record since the dawn of human civilization of having created every watt 104 lumen, and colour rendering index is higher than 80, significantly improved lighting quality, but the T5 fluorescent lamp is still relatively slower at the promotion rate of China and countries in the world.According to estimates, the T8 that China is using (and T12) florescent lamp fitting has more than 3-5 hundred million covers, and global quantity is just how, and this is a great market that is difficult for entering concerning the T5 fluorescent lamp for this!

The purpose of this utility model is exactly to design the lamp system of a kind of T5, T8 fluorescent lamp compatibility, make that luminous efficiency is higher, the better T5 fluorescent lamp of color developing can with corresponding shared Fluorescent Light and Fixtures of T8 fluorescent lamp and electric ballast, thereby can on T8 (and T12) Fluorescent Light and Fixtures, use corresponding T5 fluorescent lamp, open a brand-new situation for promoting the T5 fluorescent lamp that energy-saving effect is better, lighting quality is higher.

The utility model is achieved in that 1, with the fluorescent tube length change of known T5 fluorescent lamp, make its fluorescent tube length the same long with corresponding T8 fluorescent lamp; For example the length of the T5 fluorescent lamp corresponding with 18 watts, 30 watts, 36 watts T8 fluorescent tubes changes 589.8 millimeters, 894.6 millimeters and 1199.4 millimeters respectively into.2, with the holder structure change of known T5 fluorescent lamp, it is the same with the lamp holder of T8 fluorescent lamp that distance between the center line of two lamp bases on the lamp holder is increased to, and is 12.7 millimeters.Can in inserting the lamp socket of corresponding T8 Fluorescent Light and Fixtures, use by the T8 fluorescent lamp through the T5 fluorescent lamp after above-mentioned two structural changes; 3, known T5 electronic ballast for fluoresent lamp is changed into T5, T8 fluorescent lamp common type electric ballast, this ballast is two kinds of fluorescent lamps of T5, T8 of burning-point equal in length normally, when burning-point T8 fluorescent lamp, make the T8 fluorescent lamp operation in rated condition, make its light, electrical quantity all meet GB; When the T5 of burning-point correspondence fluorescent lamp, caliber (internal diameter) has dwindled about 40% because length equals the T8 fluorescent lamp, so T5 fluorescent lamp tube voltage will be significantly higher than corresponding T8 fluorescent lamp, its power also will be higher than corresponding T8 fluorescent lamp, more be higher than known T5 fluorescent lamp corresponding in the table 1; 4, change known T5 fluorescent lamp internal structure.Determined power according to above-mentioned T5, T8 fluorescent lamp common type electric ballast burning-point T5 fluorescent lamp the time, internal structure change to the T5 fluorescent lamp, as the structure of mercury vapor pressure in the composition of filamentray structure, working gas and the blowing pressure and the control fluorescent tube or the like, make the T5 fluorescent lamp can high efficiency with T5, T8 common type electric ballast burning-point the time, long-life ground work.

Owing to adopted such scheme, produced a kind of by the T8 Fluorescent Light and Fixtures, T5 and T8 fluorescent lamp common type electric ballast and the T5 of T5/T8 fluorescent lamp formation, the lamp system of T8 fluorescent lamp compatibility.In other words in existing hundreds of millions of T8 florescent lamp fitting system, as long as change original ballast (comprising inductive type or electron type) into corresponding T5, T8 fluorescent lamp common type electric ballast, just can use the T8 fluorescent lamp, also can use corresponding T5 fluorescent lamp of the present utility model.When using the T5 fluorescent lamp, can obtain numerous advantages of high light efficiency (more energy-conservation), high-color rendering energy (lighting quality is higher) and Gao Guangtong (shining brightlyer), and have that freely to select to use T5 according to actual needs still be the flexibility of T8 fluorescent lamp, give the user unprecedented convenience.Adopt this scheme, estimation can make the cost of applying of T5 fluorescent lamp descend 50% to 80%.

Further the utility model is illustrated below in conjunction with accompanying drawing and embodiment.

Fig. 1 is the T5 of the utility model embodiment, the circuit theory diagrams of T8 fluorescent lamp common type electric ballast.Fig. 2 is the T5 fluorescent lamp shape assumption diagram of the utility model embodiment.Among the figure 1, the anti-electromagnetic interference circuit of electric ballast; 2, rectification circuit; 3, power factor correction circuit.

Embodiment of the present utility model is the lamp system at the T5 of 36 watts of T8 fluorescent lamps, T8 fluorescent lamp compatibility, and wherein Fluorescent Light and Fixtures is 36 watts of T8 Fluorescent Light and Fixtures; T5, power of lamp tube was 30 watts to 35 watts when T8 fluorescent lamp common type electric ballast was 36 watts of T8 fluorescent lamps of a kind of burning-point, and power of lamp tube is 37 watts to 42 watts a electric ballast during T5 fluorescent lamp of the present utility model of burning-point correspondence, for the normal T5 of burning-point equal length, two kinds of fluorescent tubes of T8, the ratio of the elementary and number of secondary turns of feedback coil must be taked boosting mode in the output circuit of this kind electric ballast, be elementary L1 of feedback coil and the secondary L2 among Fig. 1, number of turns ratio between the L3, can choose between 1: 2: 2 to 1: 7: 7, present embodiment was got 1: 5: 5.In addition, when the power factor correction circuit among Fig. 1 (3) was passive circuit, the inductance value of the inductor L in the output circuit was chosen in 1.5 milihenry to 2.5 milihenries; When (3) among Fig. 1 are active circuit when (often claiming active filter), the inductance value of L is chosen in 3 milihenry to 4.5 milihenries.The power factor correction circuit of present embodiment is the passive circuit of so-called " dual-pump circuit ", and the inductance value value of L is 2.2 milihenries.

A is the length of T5 fluorescent lamp among Fig. 2, and S is the distance between the center line of two lamp bases on the lamp holder, and A is 1199.4 millimeters in the present embodiment, and S is 12.7 millimeters.

Because the power of lamp tube of the T5 fluorescent lamp of present embodiment is 37 watts to 42 watts, then its heater current will change in 270 milliamperes to 500 milliamperes along with the difference of electric ballast physical circuit, thereby the tungsten filament diameter in the filamentray structure corresponds to 50 microns to 75.6 microns.The tungsten filament diameter that present embodiment is got filament is 65 microns, and the filament winding structure is the triple-helix structure of major-minor silk.

For the reduction of production cost with enhance productivity, fill pure argon in the T5 fluorescent tube of present embodiment, it is 350 handkerchiefs that inflation is pressed, and adopt optimum working temperature be 60 degrees centigrade Low temp amalgam for releasing the mercury source, the amalgam ball is put into the blast pipe of stem stem.

Other aspects and routine techniques are as good as.

Claims

1, the lamp system of a kind of T5, T8 fluorescent lamp compatibility, constitute by Fluorescent Light and Fixtures, electric ballast and T5/T8 fluorescent tube, it is characterized in that Fluorescent Light and Fixtures wherein is the T8 Fluorescent Light and Fixtures, electric ballast wherein is two kinds of shared electric ballasts of fluorescent tube of T5, T8 of equal in length, be T5, T8 fluorescent lamp common type electric ballast, T5 fluorescent tube wherein is the T5 fluorescent tube that the distance between two lamp base center lines all equates with corresponding T8 fluorescent tube on a kind of its fluorescent tube length and the lamp holder.

2, the lamp system of a kind of T5 as claimed in claim 1, T8 fluorescent lamp compatibility is characterized in that the elementary L1 and the turn ratio between secondary L2, the L3 of the feedback coil in the output circuit of wherein T5, T8 fluorescent lamp common type electric ballast is 1: 2: 2 to 1: 7: 7.

3, the lamp system of a kind of T5 as claimed in claim 1, T8 fluorescent lamp compatibility, the inductance value that it is characterized in that the inductor L in the output circuit of wherein T5, T8 fluorescent lamp common type electric ballast is: when with 36 watts of T8 fluorescent tubes and the corresponding supporting use of T5 fluorescent tube thereof, the inductance value of L is 1.5 milihenry to 2.5 milihenries or 3 milihenry to 4.5 milihenries, and wherein 1.5 milihenry to 2.5 milihenries are that the circuit of power factor correction at electric ballast is the situation of passive circuit; 3 milihenry to 4.5 milihenries are that the circuit of power factor correction at electric ballast is the situation of active circuit;

4, the lamp system of a kind of T5 as claimed in claim 1, T8 fluorescent lamp compatibility, the length A that it is characterized in that T5 fluorescent tube wherein has three kinds, be respectively 1199.4 millimeters, 894.6 millimeters and 589.8 millimeters, their respectively corresponding 36 watts, 30 watts with 18 watts T8 fluorescent tube, and the distance between the center line of two lamp bases is 12.7 millimeters on the lamp holder of these three kinds of T5 fluorescent tubes.