CN2724195Y

CN2724195Y - Color cold cathode fluorescent lamp

Info

Publication number: CN2724195Y
Application number: CN 200420086948
Authority: CN
Inventors: 翁志荣; 王在虎; 王鑫才
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-26
Filing date: 2004-07-26
Publication date: 2005-09-07
Anticipated expiration: 2014-07-26

Abstract

The utility model discloses a color cold cathode fluorescent lamp which can directly replace the electric incandescent lamp, the florescent lamp, the compact type fluorescent lamp and the LED light-emitting diode, used for general illumination, decorative illumination and indicating illumination. The color cold cathode fluorescent lamp comprises a fluorescent lamp tube, an electronic transformer, a plastic shell composed of an inner plate and an outer shell, as well as a lamp cap. The input end of the electronic transformer is connected with the lamp cap, and the output end is connected with the two electrodes of the fluorescent lamp tube. The fluorescent lamp tube is fixed to the inner plate of the plastic shell; the electronic transformer is fixed in the plastic shell and the lamp cap; and the lamp cap is fixed to the outer shell of the plastic shell. The structural feature of the utility model is that the fluorescent lamp tube is a color cold cathode fluorescent lamp tube, the electrode of which adopts the cold cathode. The glass tube of the color cold cathode fluorescent lamp tube, which is a lamp tube without a discharge pipe, is a compact angle pipe formed by bending a straight tube, and the internal wall of the glass tube is coated with color fluorescent powder. The utility model has the advantages of high light efficiency, electricity saving, small harmonic disturbance, long life time, convenience for use, etc. Moreover, the cold cathode fluorescent lamp tube can directly replace various bulbs.

Description

A kind of colored cold-cathode fluorescence lamp

Technical field

The utility model relates to a kind of fluorescent lamp, and particularly a kind of colored cold-cathode fluorescence lamp can directly substitute general lighting incandescent lamp, straight-pipe fluorescent lamp, compact fluorescent lamp and LED light-emitting diode, is used for general lighting, decorative lighting and guidance lighting.

Background technology

At present, the light source that is used for general lighting, decorative lighting and guidance lighting mainly contains general lighting incandescent lamp, straight pipe type shape fluorescent lamp, compact fluorescent lamp and LED light-emitting diode.The general lighting incandescent lamp has photochromic advantage such as good, easy to use, but have that light efficiency is low, shortcoming such as have only about 1000 hours useful life.Though the light efficiency of straight-pipe fluorescent lamp is than the incandescent lamp height, photochromic bad, light decay is big.Compact fluorescent lamp is a kind of novel energy-conserving light source, and its luminous efficiency is all high than incandescent lamp, straight-pipe fluorescent lamp, and photochromic good, life-span is also long relatively; But, the same most employing hot cathode of compact fluorescent lamp with straight-pipe fluorescent lamp, its luminescence mechanism is: cathodal closing adds thermal electron, excites the fluorescent material that is coated in tube wall and luminous.When the lamp of hot cathode was worked, some electric energy was converted into heat energy, influences the luminous efficiency of lamp; Simultaneously, the luminous efficiency of fluorescent lamp is relevant with caliber, the fine more optical efficiency of caliber is high more, and hot cathode is the spiral helicine filament that scribbles the electronics powder, it is very thin to have determined that the diameter of fluorescent tube can not be done, this has influenced the further raising of lamp luminescence efficient, and the electronics powder comes off and the aging life-span that also influences lamp in addition.Fig. 1 is a hot-cathode fluorescent lamp cathode construction schematic diagram, and 11 is that the glass-tube, 12 that scribbles fluorescent material is that the filament, 13 that scribbles the electronics powder is stem stem among the figure.

Summary of the invention

Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and provides a kind of luminous efficiency height, power saving, Harmonic Interference is little, the life-span is long and easy to use, can directly substitute the colored cold-cathode fluorescence lamp of above-mentioned various types of bulbs.

The technical scheme in the invention for solving the above technical problem is: this colour cold-cathode fluorescence lamp, comprise fluorescent tube, electronic transformer, mould shell by what inner panel and shell were formed, lamp holder, the input of electronic transformer links to each other with lamp holder, the output of electronic transformer links to each other with two electrodes of fluorescent tube, fluorescent tube is fixed on the inner panel of moulding shell, electronic transformer is contained in to be moulded in shell and the lamp holder, lamp holder is fixed on the shell of moulding shell, its design feature is: described fluorescent tube is colored cathode fluorescent tube, its electrode adopts cold cathode, its glass-tube is the compact bend pipe that straight tube shape pipe is bent into, inwall scribbles colored photoinduced fluroscence powder, and should the colour cathode fluorescent tube be the exhaust-pipe-free fluorescent tube.

Colored cathode fluorescent tube described in the utility model is the single-screw that is bent into by straight tube shape pipe or the compact bend pipe of double helix or flat spin, can be full spiral, also can be the semi-spiral fluorescent tube.

Electronic transformer described in the utility model comprises bridge rectifier, filter circuit, half-bridge inversion circuit, driving step-up transformer, and the input of bridge rectifier connects two electrodes that power supply, its output connect input, the half-bridge inversion circuit of half-bridge inversion circuit after filter circuit filtering output connects the input that drives step-up transformer, the output that drives step-up transformer connects cathode fluorescent tube.

On the shell of moulding shell described in the utility model cell-shell is housed also, the cathode fluorescent tube that is fixed on the inner panel of moulding shell is housed in the cell-shell, described cell-shell is made by glass or plastics, it is shaped as spheroidal/candle/garden cylindricality/pyriform, and its kind is transparent type/whitewash type/sand-ground type/be coated with membranous type/reflection-type.

Lamp holder described in the utility model is the standard screw socket/socket/pin cap with the screw socket/socket of standard/pins type lamp socket coupling.

The utility model compared with prior art has the following advantages: 1, adopt cold cathode, compact bend pipe, colored photoinduced fluroscence powder, guarantee this colour cold-cathode fluorescence lamp compact conformation, the luminous tube caliber of fluorescent tube is thin, pipe range is long, is beneficial to the raising luminous efficiency, increases the service life.2, standard screw socket, socket, the pin cap of the screw socket of employing and standard, socket, pins type lamp socket coupling make this colour cold-cathode fluorescence lamp can be advantageously used in various occasions.3, the electronic transformer of being made up of bridge rectifier, filter circuit, half-bridge inversion circuit, driving step-up transformer makes the Harmonic Interference of lamp little.4, the exhaust-pipe-free lamp tube structure had both improved fluorescent tube production qualification rate, had reduced chronic leakage and fragmentation, and had increased the lamp luminescence area, was beneficial to improve lamp luminescence efficient.

Description of drawings

Fig. 1 is a prior art hot-cathode fluorescent lamp cathode construction schematic diagram.

Fig. 2 is the utility model example structure schematic diagram.

Embodiment

Example structure is referring to Fig. 2.This colour cold-cathode fluorescence lamp by colored cathode fluorescent tube 1, cell-shell 2, mould shell, electronic transformer 5 and lamp holder 6 and form, wherein mould shell and comprise plastics inner panel 3 and plastic casing 4, electronic transformer 5 is assembled by circuit board and electronic building brick; The electrode of colored cathode fluorescent tube 1 adopts cold cathode.The input of electronic transformer 5 links to each other with lamp holder 6, the output of electronic transformer 5 links to each other with two electrodes of cathode fluorescent tube 1.Lamp holder 6 is fixedlyed connected with plastic casing 4 usefulness mechanical systems, fix for frame mode between plastic casing 4 and the plastics inner panel 3, between cathode fluorescent tube 1 and the plastics inner panel 3, connect with adhesive securement between cell-shell 2 and the plastic casing 4, the cathode fluorescent tube 1 that is fixed on the inner panel 3 of moulding shell covers in the cell-shell 2, and electronic transformer 5 is installed in plastic casing 4 and the lamp holder 6.

The glass-tube of the cathode fluorescent tube 1 of embodiment is the compact bend pipe that straight tube shape pipe is bent into, the shape of bend pipe can be bent into the curve shape of single-screw, double helix, flat spin or other various compactnesses according to the requirement of light fixture, bending of glass-tube can be made by hand, also can bend by machine.Fluorescent tube can be done and help spiral, also can make semi-spiral, promptly in the part glass-tube of loading electrode can be the part of spiral, also can be straight tube.Glass tube after bending adopts the water coating process to apply the photoluminescent phosphor of required colour and through 400-500 ℃ roasted tube, obtains the photoluminescent phosphor bisque after removing binding agent.Be filled with argon gas and an amount of mercury in the fluorescent tube.This cathode fluorescent tube 1 is the exhaust-pipe-free fluorescent tube, at fluorescent tube one end arm is installed during the system lamp, remove arm by the secondary sealing-in at last, be different from that to leave one little section blast pipe on the common electric light source products be pointed protrusion thereby reach the finished product fluorescent tube, and do not have exhaust outlet.This version can make the lamp luminescence area reach maximum, the corresponding raising of luminous efficiency, and be difficult for chronic leakage and fragmentation take place, improved system lamp qualification rate.

The cell-shell 2 of embodiment can be made by different materials such as glass or plastics, and its shape can have multiple choices as requested, as candle, spheroidal, garden cylindricality, mushroom-shaped, pyriform etc.Be different needs, obtain different effects, cell-shell 2 can with transparent or frosted, whitewash, milky white, that film, band reflecting surface etc.

The colored cold-cathode fluorescence lamp of the utility model also can allow cathode fluorescent tube 1 expose and use without cell-shell 2.

The electronic transformer 5 of embodiment includes the bridge rectifier that is constituted by a diode, this rectification circuit output back is by electrochemical capacitor filtering, form half-bridge inversion circuit through components and parts such as transistor, magnetic ring coil and resistance capacitances again, after step-up transformer output on two electrodes of fluorescent tube 1 after boosting.Excitation bottom electrode discharge excitation mercury atom at electronic transformer 5 sends the 253.7nm ultraviolet ray, the required colourama of the final acquisition of this ultraviolet ray excited photoluminescent phosphor.

The lamp holder 6 of embodiment adopts the G4 pin cap as shown in Figure 2, can directly insert in the G4 pins type lamp socket during use.

Lamp holder 6 described in the utility model can also adopt standard screw socket, socket, pin cap with the screw socket of standard, socket, pins type lamp socket coupling respectively by the requirement of light fixture or lamp socket, such as various standard lamp heads such as E27, B22.

Claims

1, a kind of colored cold-cathode fluorescence lamp, comprise fluorescent tube, electronic transformer, mould shell by what inner panel and shell were formed, lamp holder, the input of electronic transformer links to each other with lamp holder, the output of electronic transformer links to each other with two electrodes of fluorescent tube, fluorescent tube is fixed on the inner panel of moulding shell, electronic transformer is contained in to be moulded in shell and the lamp holder, lamp holder is fixed on the shell of moulding shell, it is characterized in that: described fluorescent tube is colored cathode fluorescent tube, its electrode adopts cold cathode, its glass-tube is the compact bend pipe that straight tube shape pipe is bent into, inwall scribbles colored photoinduced fluroscence powder, and this cathode fluorescent tube is the exhaust-pipe-free fluorescent tube.

2, a kind of colored cold-cathode fluorescence lamp according to claim 1, it is characterized in that: described colored cathode fluorescent tube is the single-screw that is bent into by straight tube shape pipe or the compact fluorescent tube of double helix or flat spin, can be full spiral, also can be the semi-spiral fluorescent tube.

3, a kind of colored cold-cathode fluorescence lamp according to claim 1, it is characterized in that: described electronic transformer comprises bridge rectifier, filter circuit, half-bridge inversion circuit, driving step-up transformer, and the input of bridge rectifier connects two electrodes that power supply, its output connect input, the half-bridge inversion circuit of half-bridge inversion circuit after filter circuit filtering output connects the input that drives step-up transformer, the output that drives step-up transformer connects cathode fluorescent tube.

4, a kind of colored cold-cathode fluorescence lamp according to claim 1 and 2, it is characterized in that: on the described shell of moulding shell cell-shell is housed also, the cathode fluorescent tube that is fixed on the inner panel of moulding shell is housed in the cell-shell, described cell-shell is made by glass or plastics, it is shaped as spheroidal/candle/garden cylindricality/pyriform, and its kind is transparent type/whitewash type/sand-ground type/be coated with membranous type/reflection-type.

5, as a kind of colored cold-cathode fluorescence lamp according to claim 1, it is characterized in that: standard screw socket/socket/pin cap that described lamp holder mates for the screw socket/socket/pins type lamp socket with standard.