CN201584398U - Novel electrode of fluorescent lamp - Google Patents
Novel electrode of fluorescent lamp Download PDFInfo
- Publication number
- CN201584398U CN201584398U CN2009201936954U CN200920193695U CN201584398U CN 201584398 U CN201584398 U CN 201584398U CN 2009201936954 U CN2009201936954 U CN 2009201936954U CN 200920193695 U CN200920193695 U CN 200920193695U CN 201584398 U CN201584398 U CN 201584398U
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- electrode
- filament
- hollow molybdenum
- fluorescent lamp
- hollow
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Abstract
The utility model relates to novel electrodes, comprising a central electrode and a shield electrode. The shield electrode is formed by processing a molybdenum sheet into a hollow molybdenum tube, winding tungsten wires or filaments round the hollow molybdenum tube, and coating cathode material on the molybdenum tube. The central electrode is formed by filaments, and is placed into an inner hole of the hollow molybdenum tube after being coated with cathode material. Lead wires at both ends of the central electrode and the shield electrode are respectively fixedly connected with pins at both ends of the hollow molybdenum tube, and the resistance value of the shield electrode is higher than that of the central electrode. After a fluorescent lamp tube employs the novel electrode, blackening at both ends of the fluorescent lamp tube can be reduced, and service life of the lamp tube can be prolonged by more than one time.
Description
Technical field
The utility model relates to a kind of gaseous discharge lamp, relates in particular to a kind of fluorescent lamp novel electrode of being made up of central electrode, baffle plate electrode.
Background technology
In the prior art, fluorescent lamp in use for some time, lamp tube ends produces melanism, its main cause is because electron emission substrate can disperse to be attached to tube inner wall and form when lighting a lamp, not only outward appearance is ugly, and make the user produce impermanent view of fluorescent tube blackhead life-span, in order to address the above problem, part is made lamp enterprise, the metallic shield ring is installed at two ends at fluorescent lamp, when preventing the phenomenon of lamp tube ends melanism, and can increase annode area, reduce the gross energy that is input to the negative electrode that has been coated with oxide, avoid negative electrode overheated, obtained certain effect, but the quality that improves fluorescent lamp is had little significance, thereby application producer is very few.
The utility model content
The purpose of this utility model provides and a kind ofly not only can reduce the lamp tube ends melanism, and can make fluorescent tube improve the fluorescent tube of useful life more than one times, and its solution is to adopt new cathode technique on fluorescent tube.
The purpose of this utility model is achieved in that the baffle plate electrode is processed into hollow molybdenum pipe by molybdenum sheet, tungsten filament or filament are on hollow molybdenum pipe, the two ends lead-in wire of tungsten filament or filament is connected and fixed with hollow molybdenum pipe two ends pin respectively, and tungsten filament or filament on the hollow molybdenum pipe scribble cathode material; Described central electrode is made up of filament, scribbles cathode material on the filament, and is placed in the hollow molybdenum pipe orifice, and the two ends lead-in wire is connected and fixed with hollow molybdenum pipe two ends pin respectively
Hollow molybdenum pipe, the pin at its two ends are respectively arranged with 8 fonts folder, have aperture below 8 fonts press from both sides.
Tungsten filament or filament on the hollow molybdenum pipe, its two ends lead-in wire passes the aperture below the hollow molybdenum pipe pin 8 fonts folder respectively, is placed in the 8 fonts folder; After central electrode was placed on hollow molybdenum pipe, the two ends lead-in wire was placed on respectively in the 8 fonts folder, and clamped by the leads of 8 fonts folder with central electrode, baffle plate electrode.
Central electrode and baffle plate electrode, its baffle plate electrode resistance value is greater than central electrode.
Said structure of the present utility model is applicable to the fluorescent tube of various calibers and various profiles, the caliber of Chang Yong 6mm-25mm for example, the fluorescent tube of straight pipe type commonly used, endless tube type, two D type, spiral type, U type, H type, ∏ type, M type, SL type, blossom type, lotus flower type, Buddha's hand type, umbrella shape, funnel type, shape such as petal-shaped.
Advantage of the present utility model is: 1, owing to adopt central electrode, baffle plate combination of electrodes to become novel electrode, and set the baffle plate electrode resistance value greater than central electrode, thereby the electron emission substrate that produces when central electrode is lit a lamp is by baffle plate electrode hollow molybdenum tube shield, reduce the melanism that lamp tube ends produces effectively, satisfied user's psychological demand.2, negative electrode adopts the vertical structure, avoids the negative electrode superheating phenomenon.After date when 3, using one section when baffle plate electrode resistance value during less than central electrode, changes when lighting a lamp by the baffle plate electrode and carries out the electronics emission, and fluorescent lamp is enhanced about more than once useful life, not only reduces customer using cost, and reduces environmental pollution.4, simple in structure, increase that cost is few, energy-saving effect is remarkable, product is suitable for extensively, market capacity is big.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model novel electrode;
Fig. 2 is another structural representation of the utility model novel electrode
Fig. 3 is the structural representation of the utility model novel electrode hollow molybdenum pipe;
Fig. 4 is the structural representation of the utility model embodiment;
Fig. 5 is the structural representation of another embodiment of the utility model.
Embodiment
Be the structural representation of the utility model novel electrode as shown in Figure 1, fluorescent lamp novel electrode 1 is made up of central electrode 2, baffle plate electrode 3, baffle plate electrode 3 adopts molybdenum sheet to be processed into hollow molybdenum pipe 4, tungsten filament or filament 5 are on hollow molybdenum pipe 4, the two ends lead-in wire 6 of tungsten filament or filament 5 is connected and fixed with hollow molybdenum pipe two ends pin 7 respectively, and tungsten filament on the hollow molybdenum pipe 4 or filament 5 are coated cathode material 8 and carried out high temperature sintering; Central electrode 2 is made up of filament 9, and the filament 9 of coating cathode material 10 is placed in baffle plate electrode 3 hollow molybdenum pipes 4 endoporus behind high temperature sintering, and two ends lead-in wire 11 is connected and fixed with hollow molybdenum pipe 4 two ends pins 7 respectively.
As Fig. 2, shown in Figure 3, fluorescent lamp novel electrode 1 is made up of central electrode 2, baffle plate electrode 3, baffle plate electrode 3 adopts molybdenum sheet to be processed into hollow molybdenum pipe 4, the two ends pin 7 of hollow molybdenum pipe 4 is respectively arranged with 8 fonts folder 12, have aperture 13 below the 8 fonts folder 12, tungsten filament or filament 5 are on hollow molybdenum pipe 4, two ends lead-in wire 6 apertures 13 that pass hollow molybdenum pipe 4 two ends pins 7 respectively of tungsten filament or filament 5 are placed on 8 fonts folder interior 12, and be connected and fixed, tungsten filament on the hollow molybdenum pipe 4 or filament 5 are coated cathode material 8 and are carried out high temperature sintering; Central electrode 2 is made up of filament 9, and the filament 9 of coating cathode material 10 is placed in baffle plate electrode 3 hollow molybdenum pipes 4 endoporus behind high temperature sintering, and two ends lead-in wire 11 is placed in the 8 fonts folder 12 of hollow molybdenum pipe 4 two ends pins 7 respectively and is connected and fixed.
Fig. 4 is the structural representation of the utility model embodiment.It among the figure U type fluorescent lamp 14, two port ones 5 of U type fluorescent lamp 14 are equipped with stem stem 16 respectively, long electrode support 17 and noncontinuous electrode support 18 are arranged on the stem stem 16, the long electrode support 17 of stem stem 16 and noncontinuous electrode support 18 are provided with hook 19,20 by integer and at the top, the pin 21 at novel electrode 1 two ends is placed on respectively in the top hook 19,20 of stem stem 16 long electrode supports 17 and noncontinuous electrode support 18, adopt the mode of mechanical grip, novel electrode 1 connection is fastened on the long and short support of stem stem 16, and makes novel electrode 1 be vertical placement with respect to stem stem.Two stem stems 16 are connected with two port sealings by fusing of fluorescent tube 14 respectively, by operations such as exhausts, become the novel electrode fluorescent lamp.Central electrode 2 and baffle plate electrode 3 one of them without high temperature sintering, or central electrode 2 and baffle plate electrode 3 directly be assembled into novel electrode all without high temperature sintering, high temperature sintering is to finish in deairing step, its effect is the same.The fluorescent lamp novel electrode is provided with baffle plate electrode 3 resistance values greater than central electrode 2, when the fluorescent lamp starting stage, wherein central electrode 2 resistance values are little, under the effect of puncture voltage, at first produce high-tension glow discharge, and in the of short duration process that starts glow discharge, cation is with macro-energy bombarding cathode very, produce enough thermal electrons when negative electrode further heats, and when forming focus on electrode, glow discharge translates into stable arc discharge.Behind the lamp lighting-up, internal resistance descends, and the voltage at ballast two ends lands immediately, has been not enough to cause interpolar glow discharge, and electric current is a fluorescent tube internal ionization and form path, and fluorescent tube enters operating state.Therefore central electrode 2 enters operating state, and baffle plate electrode 3 is in off position with regard to not producing glow discharge.Because novel electrode is vertical placement with respect to stem stem, electronics is emitted as vertical emission, reduce the emitted transverse of electron emission substrate, the emitted transverse thing when central electrode 2 is lit a lamp is also blocked by baffle plate electrode 3 hollow molybdenum inside pipe walls, thereby has reduced fluorescent tube two ends blackout phenomenon.Simultaneously, increase annode area, reduced the gross energy that is input to the filament that has been coated with cathode material, avoided filament overheated.Central electrode 2 is lossy behind burning-point.Resistance changes, and after using thousands of hours, (useful life that is equivalent to conventional fluorescent lamp) is because effect, lamp tube ends or the relative clean of hollow molybdenum pipe.When occurring under the situation that central electrode 2 resistance value ratio baffle plate electrodes 3 resistances are big or filament cut-offs, will occur focus when fluorescent lamp starts once more and shift, carry out thermal electron by baffle plate electrode 3, can make fluorescent tube enter operating state equally.Thereby every filament all is fully used, thereby reach the fluorescent lamp effect that is doubled and redoubled useful life.
Fig. 5 is the structural representation of another embodiment of the utility model as shown in Figure 5.Long electrode support 17 on the stem stem 16 is to take Type of Welding 22 to fixedly connected with noncontinuous electrode support 18 with the pin 21 at novel electrode 1 two ends, and all the other structures and Fig. 3 are essentially identical.
Claims (4)
1. fluorescent lamp novel electrode, form by central electrode, baffle plate electrode, it is characterized in that described baffle plate electrode is processed into hollow molybdenum pipe by molybdenum sheet, tungsten filament or filament are on hollow molybdenum pipe, the two ends lead-in wire of tungsten filament or filament is connected and fixed with hollow molybdenum pipe two ends pin respectively, and tungsten filament or filament on the hollow molybdenum pipe scribble cathode material; Described central electrode is made up of filament, scribbles cathode material on the filament, and is placed in the hollow molybdenum pipe orifice, and the two ends lead-in wire is connected and fixed with hollow molybdenum pipe two ends pin respectively.
2. fluorescent lamp novel electrode according to claim 1 is characterized in that described hollow molybdenum pipe, and the pin at its two ends is respectively arranged with 8 fonts folder, has aperture below 8 fonts press from both sides.
3. fluorescent lamp novel electrode according to claim 2 is characterized in that tungsten filament or filament on the hollow molybdenum pipe, and its two ends lead-in wire passes the aperture below the hollow molybdenum pipe pin 8 fonts folder respectively, is placed in the 8 fonts folder; After central electrode was placed on hollow molybdenum pipe, the two ends lead-in wire was placed on respectively in the 8 fonts folder, and clamped by the leads of 8 fonts folder with central electrode, baffle plate electrode.
4. according to claim 1 or 3 described fluorescent lamp novel electrodes, it is characterized in that described central electrode and baffle plate electrode, its baffle plate electrode resistance value is greater than central electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201936954U CN201584398U (en) | 2009-08-28 | 2009-08-28 | Novel electrode of fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201936954U CN201584398U (en) | 2009-08-28 | 2009-08-28 | Novel electrode of fluorescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584398U true CN201584398U (en) | 2010-09-15 |
Family
ID=42726410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201936954U Expired - Fee Related CN201584398U (en) | 2009-08-28 | 2009-08-28 | Novel electrode of fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584398U (en) |
-
2009
- 2009-08-28 CN CN2009201936954U patent/CN201584398U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20110828 |