CN100423174C

CN100423174C - Fluorescent lamp

Info

Publication number: CN100423174C
Application number: CNB2004100783883A
Authority: CN
Inventors: 胡安华
Original assignee: Lisheng Electronic & Lighting (xiamen) Co Ltd
Current assignee: Lisheng Electronic & Lighting (xiamen) Co Ltd
Priority date: 2004-07-08
Filing date: 2004-09-27
Publication date: 2008-10-01
Anticipated expiration: 2024-09-27
Also published as: CN1610053A; KR20060050002A; EP1615255A2; JP2006024571A; EP1615255A3; KR100749585B1

Abstract

A fluorescent lamp, relates to a fluorescent lamp using new cold-end technology or an enveloped fluorescent lamp with high surface load. The fluorescent lamp is disposed with a lamp tube, cathode, stem cap and wire, such that one end of the wire connected to the cathode is fixed on the stem cap and the other end of the wire is led out from the lamp tube. At least one cavity tube connecting through the lamp tube is disposed on side of at least one lamp tube. The temperature of cavity tube is not influenced directly with electrical arc since there is no discharge through appended cavity tube, thus mercury-vapor pressure adjustment with cold-end is made possible; furthermore, mercury-vapor pressure is decreased significantly on energy saving lamps with high power or lamps in high environmental temperature; by adjusting the length and/or position of cavity tube, mercury-vapor pressure in the lamp tube can be adjusted efficiently; if amalgam is required for the lamp tube, the adjustment work becomes easy and efficient by positioning the amalgam at the coldest point; with adding auxiliary cathode selectively, good luminous flux is formed rapidly when the lamp is turned on initially; the effective service life of the lamp tube is lengthened since the harmful materials to luminous flux output produced during lamp operation are collected at the cold-end of cavity tube.

Description

Fluorescent lamp

Technical field

The present invention relates to a kind of fluorescent lamp, the especially a kind of fluorescent lamp of new cold junction technical scheme or big band of area load of adopting steeps fluorescent lamp etc.

Background technology

Existing fluorescent lamp is to adopt frame mode as shown in Figure 1 to manufacture and design basically, is made up of fluorescent tube 1, negative electrode 2, lead-in wire 3 and stem stem 5 etc. usually.One end and the negative electrode of lead-in wire are fixedly arranged on the stem stem, and the other end of lead-in wire is drawn fluorescent tube.Its inner chamber of such fluorescent lamp all is a discharge space, adjusts mercury vapor pressure and often realizes that by the coldest place, part tube wall its shortcoming is: 1, adjusting range is less, if state substantial deviation then can not play good effect; 2, concerning the fluorescent lamp that uses amalgam, because the cross action of amalgam and the coldest place tube wall makes the adjustment state become difficult unusually.

Summary of the invention

The present invention aims to provide and a kind ofly can solve the fluorescent lamp that is difficult to regulate the mercury vapor pressure problem in the fluorescent tube well.Said fluorescent lamp mainly is the big band bubble fluorescent lamp of compact fluorescent lamp or area load etc., and its solution is the new cold junction technology that adopts on fluorescent tube.

The present invention is provided with fluorescent tube, negative electrode, stem stem and lead-in wire, and an end of lead-in wire is connected with negative electrode and is installed on the stem stem, and the other end of lead-in wire is drawn fluorescent tube, is provided with at least 1 cavity pipe at least in the side of 1 fluorescent tube, and the cavity pipe is communicated with fluorescent tube.Can establish stem stem and amalgam at least 1 cavity pipe, amalgam is located in the stem stem; Said stem stem and amalgam preferably are located at an end of cavity pipe.Also can establish negative electrode, stem stem and lead-in wire at least 1 cavity pipe, an end of lead-in wire is connected with negative electrode and is fixedly arranged on the stem stem, and the other end of lead-in wire is drawn outside the cavity pipe; Said stem stem preferably is located at an end of cavity pipe.Also can establish negative electrode, stem stem, amalgam and lead-in wire at least 1 cavity pipe, an end of lead-in wire is connected with negative electrode and is fixedly arranged on the stem stem, and the other end of lead-in wire is drawn outside the cavity pipe, and amalgam is located in the stem stem; Said stem stem and amalgam preferably are located at an end of cavity pipe.

Said structure of the present invention is applicable to the fluorescent tube of various calibers and various profiles.The caliber of Chang Yong 6～25mm for example, the fluorescent lamp of shapes such as straight pipe type commonly used, U type, H type, ∏ type, Buddha's hand type, W type, SL type.

The invention has the advantages that: 1, since discharge by additional cavity pipe, so the temperature of cavity pipe is not subjected to directly influencing of electric arc, really plays the effect that cold junction is regulated mercury vapor pressure; And, to high-power energy-saving lamp or the higher lamp of ambient temperature, can play the effect that reduces mercury vapor pressure significantly; 2, the length by adjusting the cavity pipe is or/and the position, can be effectively regulates mercury vapor pressure in the fluorescent tube significantly at actual conditions; 3, if fluorescent tube need use amalgam, then amalgam can be placed the coldest place, make adjustment work simply effective; Also can optionally increase auxiliary cathode, it is logical to obtain good light when making initial burning-point fast; 4, because cavity pipe cold junction can be collected the impurity that logical output is harmful to light that produces in the burning-point, therefore prolonged the Acceptable life of fluorescent tube.

Description of drawings

Fig. 1 is the structural representation of existing compact fluorescent lamp.

Fig. 2 is the structural representation of the embodiment of the invention 1.

Fig. 3 is the structural representation of the embodiment of the invention 2.

Fig. 4 is the structural representation of the embodiment of the invention 3.

Fig. 5 is the structural representation of the embodiment of the invention 4.

Fig. 6 is the W type lamp tube structure schematic diagram that the embodiment of the invention 5 adopts.

Fig. 7 is the left TV structure schematic diagram of Fig. 6.

Fig. 8 is the plan structure schematic diagram of Fig. 6.

Fig. 9 is the SL type lamp tube structure schematic diagram that the embodiment of the invention 6 adopts.

Figure 10 is the left TV structure schematic diagram of Fig. 9.

Figure 11 is the plan structure schematic diagram of Fig. 9.

Figure 12 is the 2 π type lamp tube structure schematic diagrames that the embodiment of the invention 7 adopts.

Figure 13 is the left TV structure schematic diagram of Figure 12.

Figure 14 is the plan structure schematic diagram of Figure 12.

Embodiment

Following examples will the present invention is further illustrated in conjunction with the accompanying drawings.

Embodiment 1

Referring to Fig. 1,2, the embodiment of the invention 1 is to be provided with parallel cavity pipe 4 in the side of fluorescent tube 1 on existing compact fluorescent lamp shown in Figure 1 basis, and cavity pipe 4 is communicated with fluorescent tube 1, the length of cavity pipe 4 is less than the length of fluorescent tube 1, and the diameter of cavity pipe 4 can be identical with fluorescent tube 1.Fluorescent tube 1 can adopt at least one U type fluorescent tube.

Embodiment 2

As shown in Figure 3, similar with embodiment 1, its difference is that the cavity pipe 4 interior ends that fluorescent tube 1 connects are provided with stem stem 5, are provided with amalgam 6 in stem stem 5.

Embodiment 3

As shown in Figure 4, similar with embodiment 2, its difference is to be provided with negative electrode 2 (can adopt heater strip) on stem stem 5, and an end of lead-in wire 3 is connected with negative electrode (or heater strip) 2 and is fixedly arranged on the stem stem 5, the other end of lead-in wire 3 is drawn outside the cavity pipe 4 that is connected with fluorescent tube 1, and amalgam 6 is located in the stem stem 5; Stem stem 5 and amalgam 6 are located at an end of cavity pipe 4.

Embodiment 4

With embodiment 3 similar (referring to Fig. 5), its difference is not establish amalgam in stem stem 5.Fluorescent tube 1 is communicated with cavity pipe 4, and negative electrode 2 is located on the stem stem.

Embodiment 5

Referring to Fig. 6～8, similar with embodiment 1, its difference is to adopt a W type fluorescent tube 9, and in addition, the caliber of the cavity pipe that extends in the side of fluorescent tube is less than the caliber of fluorescent tube.

Embodiment 6

Referring to Fig. 9～11, similar with embodiment 2, its difference is to adopt SL type fluorescent tube 10.

Embodiment 7

Referring to Figure 12～14, similar with embodiment 3, its difference is to adopt 2 π type fluorescent tubes 11.

Embodiment 8

Similar with embodiment 4, its difference is to adopt H type or Buddha's hand type fluorescent tube.

Claims

1. fluorescent lamp, be provided with fluorescent tube, negative electrode, stem stem and lead-in wire, one end of lead-in wire is connected with negative electrode and is installed on the stem stem, the other end of lead-in wire is drawn fluorescent tube, the side that it is characterized in that at least 1 fluorescent tube is provided with at least 1 cavity pipe, the cavity pipe is communicated with fluorescent tube, the length of cavity pipe is less than the length of fluorescent tube, in at least 1 cavity pipe, establish negative electrode, stem stem, lead-in wire and amalgam, one end of lead-in wire is connected with negative electrode and is installed on the stem stem, the other end of lead-in wire is drawn outside the cavity pipe, and stem stem and amalgam are located at an end of cavity pipe, and amalgam is located in the stem stem.

2. fluorescent lamp as claimed in claim 1, the caliber that it is characterized in that described fluorescent tube is 6～25mm.

3. fluorescent lamp as claimed in claim 1 is characterized in that described fluorescent tube is straight pipe type, U type, H type, 2 π types, Buddha's hand type, W type or SL type fluorescent tube.