CN2274812Y - Gas discharge lamp with cold cathode and high brilliance source - Google Patents
Gas discharge lamp with cold cathode and high brilliance source Download PDFInfo
- Publication number
- CN2274812Y CN2274812Y CN 96244142 CN96244142U CN2274812Y CN 2274812 Y CN2274812 Y CN 2274812Y CN 96244142 CN96244142 CN 96244142 CN 96244142 U CN96244142 U CN 96244142U CN 2274812 Y CN2274812 Y CN 2274812Y
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- China
- Prior art keywords
- cold cathode
- cylindrical cap
- discharge lamp
- light source
- electronic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a cold cathode gas discharge lamp of an illuminated light source with a high luminance, which is characterized in that a cold cathode arranged on both ends of the inner side of a lamp tube makes use of a thin cylindrical cap with the functions of high-temperature resistance and low work function as a sheath for an electrode; the inner side of the cylindrical cap is provided with a ternary carbonate electronic powder block, a zirconia electronic powder block, and a tungsten electronic powder block which are proportionally mixed; the bottom of the cylindrical cap is led out by a wire and is connected with a power supply through an electronic driver. The utility model has the advantage that current density is uniformly distributed because the cold cathode gas discharge lamp of an illuminated light source with a high luminance does not have a filament structure; the metal cylindrical cap has the functions of electronic scattering absorption and heat dispersion; the service life and the light efficiency of the lamp tube are improved. The utility model is suitable for cold cathode illuminated lamps to replace fluorescent lamps.
Description
The utility model belongs to electroluminescent light source, particularly a kind of cold cathode lighting source gaseous discharge lamp.
Cold-cathode fluorescence lamp is a kind of of low-pressure mercury fluorescent lamp, and the fluorescent lamp of it and hot-cathode fluorescent lamp is similar, all is to rely on the ultraviolet ray excited fluorescent material that mercury vapor discharge produced and radiate visible light.Existing fluorescent lamp, because of its hot cathode is filament, electron beam is a flat, light pipe inner prop district electric field is inhomogeneous along the circular section radiation, and is therefore inhomogeneous facing to the two ends glass-tube wall load of terminal, and cause be heated inhomogeneous, blackout with the passing of time; Its advantage is, under daily 220V voltage, can the starter discharge through ballast, and every watt of flat light emission can reach the 50-80 lumen, is used for illumination.Existing cold-cathode fluorescence lamp needs the starting resistor height, and luminous efficiency is low, and every watt of flat light emission is about the 30-40 lumen, and 85% energy scatters and disappears with the non-visible light form.
The purpose of this utility model is, design and produce a kind of cold cathode highlight illumination light source gaseous discharge lamp, improve the electrode structure structure of cold-cathode fluorescence lamp, adopt the 220V power supply, through electronic driver rectification, vibration, frequency modulation, realize electroluminescence, high-frequency discharge reaches the illumination light-emitting efficient of high brightness.
A kind of cold cathode highlight illumination light source gaseous discharge lamp of the present utility model, form by fluorescent tube, electrode, driver, it is characterized in that, the cold cathode that two ends are provided with in fluorescent tube is that the slim cylindrical cap of high temperature resistant, low work function is as electrode sheath, be provided with the mixed electronic powder agglomates of by a certain percentage triplex carbonate, zirconia, tungsten in the cylindrical cap, the cylindrical cap bottom picks out with wire, be connected with power supply by electronic driver, the cylindrical cap diameter: highly=1: 1, cylindrical cap external diameter: glass wall lamp bore=2: 3; The circuit of electronic driver is made of rectification, amplification, the oscillating circuit of prior art, and the 220V voltage source disturbs choke through preventing RF, and common mode interference signal is carried out impedance, to difference mode signal give by, enter bridge commutating; The high-frequency sasser that oscillator produces is coordinated through the field effect transistor switch pipe, and resonance advances people's current limit by inductance device after amplifying, and through starting half humorous electric capacity, can form the electroluminescence high-frequency discharge of cold cathode.
Operation principle of the present utility model is, tube inner wall scribbles fluorescent material, be filled with inert gas in the fluorescent tube, cold cathode electronics powder connects electronic driver through decomposing, activate, drawing at the cold cathode of lamp tube ends in advance on the wire, connect the 220V power supply, cold cathode is promptly done cylindrical electronic emission, excites mercury ion discharge in the pipe, forms ultra-violet radiation, evenly distribute along glass-tube, excitated fluorescent powder radiates visible light.
The utility model has the advantages that: owing to there is not the filament structure, the electric current distribution of the electronics powder agglomates that is decomposed, activates that contains abundant electron emissivity is even, the metallic cylinder cap has ABSORPTION AND SCATTERING electric function and heat sinking function, the probability of lamp tube ends blackout greatly descends, and lamp tube service life is corresponding to be improved; Because lamp tube current density is evenly distributed along tubing string, light efficiency is improved.Be applicable to cold cathode lighting source gas discharge lamp tube and electronic driver are formed integrated light fixture, replace fluorescent lamp lighting.
Below in conjunction with drawings and Examples, the utility model will be further described:
Fig. 1 is a kind of organigram of cold cathode highlight illumination light source gaseous discharge lamp
Fig. 2 is a kind of circuit connection diagram of cold cathode highlight illumination light source gaseous discharge lamp
As seen from the figure, a kind of cold cathode highlight illumination light source gaseous discharge lamp of the present utility model, form by fluorescent tube, electrode, driver, the cold cathode that two ends are provided with in fluorescent tube 1 is that the slim cylindrical cap 2 of high temperature resistant, low work function is as electrode sheath, be provided with by a certain percentage the electronics powder agglomates 3 of the triplex carbonate that mixes, zirconia, tungsten in the cylindrical cap, the cylindrical cap bottom picks out 4 with wire, is connected with power supply by electronic driver 5; The cylindrical cap diameter: highly=1: 1, cylindrical cap external diameter: glass wall lamp bore=2: 3, the circuit of electronic driver is made of rectification, amplification, the oscillating circuit of prior art, the 220V voltage source, disturb choke 8 through preventing RF, common mode interference signal is carried out impedance, to difference mode signal give by, enter bridge commutating 6; The high-frequency sasser that oscillator 7 produces is coordinated through field effect transistor switch pipe Q1, Q2, and resonance enters current limit by inductance device L after amplifying, and through starting half humorous capacitor C, can form the electroluminescence high-frequency discharge of cold cathode.
Claims (2)
1, a kind of cold cathode highlight illumination light source gaseous discharge lamp, form by fluorescent tube, electrode, driver, it is characterized in that, the cold cathode that two ends are provided with in fluorescent tube is that the slim cylindrical cap of high temperature resistant, low work function is as electrode sheath, be provided with by a certain percentage the electronics powder agglomates of the triplex carbonate that mixes, zirconia, tungsten in the cylindrical cap, the cylindrical cap bottom picks out with wire, is connected with power supply by electronic driver.
2, a kind of cold cathode highlight illumination light source gaseous discharge lamp as claimed in claim 1 is characterized in that cylindrical cap diameter and height ratio are 1: 1, and cylindrical cap external diameter and glass wall lamp bore ratio are 2: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96244142 CN2274812Y (en) | 1996-11-18 | 1996-11-18 | Gas discharge lamp with cold cathode and high brilliance source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96244142 CN2274812Y (en) | 1996-11-18 | 1996-11-18 | Gas discharge lamp with cold cathode and high brilliance source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2274812Y true CN2274812Y (en) | 1998-02-18 |
Family
ID=33917574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96244142 Expired - Fee Related CN2274812Y (en) | 1996-11-18 | 1996-11-18 | Gas discharge lamp with cold cathode and high brilliance source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2274812Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616964A (en) * | 2015-01-13 | 2015-05-13 | 安徽亿民照明电器有限公司 | Cold cathode dimming non-filament light source |
-
1996
- 1996-11-18 CN CN 96244142 patent/CN2274812Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616964A (en) * | 2015-01-13 | 2015-05-13 | 安徽亿民照明电器有限公司 | Cold cathode dimming non-filament light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |