CN106449353B - Single-ended ceramic metal holide lamp arc tube - Google Patents
Single-ended ceramic metal holide lamp arc tube Download PDFInfo
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- CN106449353B CN106449353B CN201610985865.7A CN201610985865A CN106449353B CN 106449353 B CN106449353 B CN 106449353B CN 201610985865 A CN201610985865 A CN 201610985865A CN 106449353 B CN106449353 B CN 106449353B
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- arc tube
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/361—Seals between parts of vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/366—Seals for leading-in conductors
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- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The invention discloses a kind of single-ended ceramic metal holide lamp arc tube, the electric arc tube includes the cavity (1), the capillary (2) being arranged at the top of the cavity (1) hemisphere and the staged ceramic plug (3) for being arranged at the cavity (1) opening of open type, two emission electrodes (4) are installed with the ceramic plug (3), halide and mercury (6) are filled with by the capillary (2) in the cavity (1) and start gas (7).The single-ended ceramic metal holide lamp arc tube of the present invention, effectively increase the load capacity and cold junction temperature of electric arc tube, promote the light efficiency lifting and the lifting of colour rendering index of product, and the electric arc tube structure of monofocal is more conducive to the assembling of lamp and the light distribution of lamps and lanterns, reaches energy saving effect.
Description
Technical field
The invention belongs to photoelectric source technical field, and in particular to a kind of single-ended ceramic metal holide lamp arc tube.
Background technology
The defects of metal holide lamp arc tube makees the cavity of electric arc tube using quartz at present, its quartz makees electric arc tube cavity
It is that cavity loads low, the excessive rise for causing surface temperature of quartz ampoule area load, its quartzy deformation temperature 1120 of itself
DEG C, 1683 DEG C of softening temperature, below 1100 DEG C of temperature in use, the load design of quartz chamber body can be drawn no more than from data
1100 DEG C, but different halide its optimal gasification temperature is filled at 1400 DEG C, 2080 DEG C etc. in cavity, due in cavity
Temperature cannot meet gasification temperature point required by halide, cause the low general light efficiency of luminous flux in 85lm/W, colour rendering index
Less than 80, its service life is when 9000 is small.
Current existing ceramic metal halide lamp arc tube is all the product of double-ended structure type, such as patent
CN101419894A discloses a kind of ceramic metal halide lamp arc tube, and center section is that discharging chamber both ends are that capillary draws
Go out, the electric arc tube is with high-purity a-Al2O3Polycrystalline translucent aluminium oxide (PCA) ceramics are made of material calcination, and electrode assemblie passes through
Tail pipe is inserted into ceramic discharge intracavitary, and by glass solder by electrode assemblie and tail pipe clearance seal, its designing points is the mistake
It is vertical with supervisor, tail pipe to cross the outer diameter face in area, in "- -" type, the ceramic discharge chamber of transition region aperture surface is in cone, ceramics
Filling metal halide, mercury, buffer gas in discharge cavity.
And for example patent CN10439289A discloses a kind of single-ended two-tube ceramic gold-halogen lamp ray structure, including electric arc tube and
The electrode set in it, electric arc tube is single-ended integral double-pipe cavity configuration, has a disadvantage in that the cavity of two dependents, four
Electrode is two cathodes, two anode, and the electric discharge of two pole is by nearest two generations after powered up, when the positive and negative anodes of electrode are pacified
When filling unreliable, each electrode work of two cavitys is caused, and is the sealing-in mode of no comb used by this patent,
This sealing-in process can not realize, or higher to manufacturing technique requirent and production cost is high；Meanwhile as described in the patent, when
Another cavity quickly lights after one acceptor extinguishes, when lamp is after lighting, under the gas high temperature in cavity expansion produce high gas
The condition of pressure, it is difficult to start that electric arc, which is, under the conditions of anticyclonic, can just be lighted after need to cooling down a few minutes, but demonstrate,proved from experiment
It is bright it is this under the conditions of the former cavity lighted easier start up, and this is the work under physical phenomenon rather than PC controls, therefore,
Its technique effect is not as the alternation as two cavitys described in the patent, starts soon so cannot reach long lifespan
Purpose.
The content of the invention
The present invention is the solution above problem of the prior art, it is proposed that one kind uses a-Al2O3Fire the polycrystal formed
Single-ended ceramic metal holide lamp arc tube of the crystalline ceramics as cavity, efficiently solves existing similar product output parameter and owes
Good technical problem.
To achieve the above object, the present invention uses following technical scheme：
The present invention provides a kind of single-ended ceramic metal holide lamp arc tube, the electric arc tube includes the cavity of open type
1st, the capillary 2 that is arranged at the top of 1 hemisphere of cavity and the staged ceramic plug 3 for being arranged at 1 opening of cavity, it is described
Two emission electrodes 4 are installed with ceramic plug 3, the cavity 1 is interior to be filled with halide and mercury 6 by the capillary 2
With startup gas 7.
Further, the cavity 1 is the semi-spherical round column structure of open type.
Further, the cavity 1 and capillary 2 are using high-purity a-Al2O3Polycrystal aluminium oxide ceramics manufacturing technology
Monoblock type injection moulding and the transparent aluminium oxide ceramics of the polycrystal by being formed in 1800 DEG C of hydrogen atmospheres.
Further, the ceramic plug 3 is to use high-purity a-Al2O3Polycrystal aluminium oxide ceramics manufacturing technology monoblock type heat
Die casting and the transparent aluminium oxide ceramics of the polycrystal by being formed in 1800 DEG C of hydrogen atmospheres.
Further, the opening of the ceramic plug 3 and the cavity 1 carries out sealing-in by rare earth glass solder 5.
Further, sealing-in is carried out by rare earth glass solder 5 between the ceramic plug 3 and the emission electrode 4.
Further, two electrode fixing holes 8 for being used for fixed transmission electrode 4 are offered on the ceramic plug 3.
Further, the electric arc tube is ionized after the metal halide and mercury 6 and startup gas 7 is poured using electromagnetism
Technology seals the capillary 2.
The present invention uses above-mentioned technical proposal, compared with prior art, has the following technical effect that：
Single-ended ceramic metal holide lamp arc tube of the present invention, it uses ceramics to be used as lighting cavity, improves electric arc tube
Load capacity so that the raising of cold junction temperature, promote the light efficiency of product to lift lifting with colour rendering index, and this structure
The difference of electric arc tube structure and the double-end type structure of current ceramic metal helide lamp for monofocal, are more conducive to the assembling of lamp
With the light distribution of lamps and lanterns, the light extraction efficiency of lamps and lanterns is set to lift the consumption for reducing light source in lamps and lanterns, so as to reach energy saving effect.
Brief description of the drawings
Fig. 1 is a kind of dome-type cavity body structure schematic diagram of single-ended ceramic metal holide lamp arc tube of the present invention；
Fig. 2 is a kind of structure diagram of the ceramic plug of single-ended ceramic metal holide lamp arc tube of the present invention；
Fig. 3 is a kind of overall structure diagram of single-ended ceramic metal holide lamp arc tube of the present invention；
Wherein, 1- hemisphere cavity, 2- capillaries, 3- ceramic plugs, 4- emission electrodes, 5- rare earth glass solders, 6- metals
Halide and mercury, 7- start gas.
Embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
As shown in Figs. 1-3, a kind of single-ended ceramic metal holide lamp arc tube is present embodiments provided, which includes
The cavity 1 of open type, the capillary 2 being arranged at the top of 1 hemisphere of cavity and the staged ceramic plug 3 for being arranged at 1 opening of cavity,
Two emission electrodes 4 are installed with ceramic plug 3, halide and mercury 6 are filled with by capillary 2 in cavity 1 and start gas
Body 7.
The designing points of the present embodiment are that two emission electrodes 4 are equipped with the ceramic plug 3 on 1 end face of cavity, transmitting
Electrode 4 is made of electrode and porcelain tube, and the nearlyer cold junction temperature of the distance between two emission electrodes 4 is higher so as to improve in cavity 1
Temperature makes halide fully gasify with mercury 6, improves the light efficiency and colour rendering index of electric arc tube, improves the startability of lamp.Mounted in pottery
The section of emission electrode 4 and cavity 1 on porcelain plug 3 seals the semi-finished product as electric arc tube.Cavity 1 is dome-type cylinder
Body structure, the capillary 2 on sphere top are used to load filler after the completion of electric arc tube sealing-in, and gas 7 to be launched seals after being filled with
Capillary 2.
In the electric arc tube, cavity 1 is the semi-spherical round column structure of open type.Ceramic plug 3 and the opening of cavity 1 pass through
Rare earth glass solder 5 carries out sealing-in.The electrode assemblie of sealing-in ceramic plug 3 at the same time, is protected by the hermetic seal of rare earth glass solder 5
Demonstrate,prove 1 inner electrode assembly of cavity fully to react with filler, prevent filler from discharging the ceramic metal halide lamp arc tube.Pottery
Sealing-in is carried out also by rare earth glass solder 5 between porcelain plug 3 and emission electrode 4, and two are offered on ceramic plug 3 and is used to fix
The electrode fixing holes 8 of emission electrode 4.Ionized after electric arc tube is pouring metal halide with mercury 6 and startup gas 7 using electromagnetism
Technology seals capillary 2.
The present embodiment additionally provides a kind of preparation method of single-ended ceramic metal holide lamp arc tube, as shown in figure 3, should
It is using high-purity a-Al that electric arc tube, which includes the cavity 1 of open type and capillary 2,2O3Polycrystal aluminium oxide ceramics manufacturing technology is whole
Body formula hot pressing casting process forms, and by becoming the transparent aluminium oxide ceramics of polycrystal in 1800 DEG C of hydrogen atmospheres；For fixing
The ceramic plug 3 of emission electrode 4 similarly use hot pressing casting process by 1800 DEG C of hydrogen atmospheres for the transparent oxidation of polycrystal
Aluminium ceramics.In installation process, emission electrode 4 and electrode ceramic plug 3 are installed together first, by semi-spherical round column structure
Rare earth glass solder 5 is placed on the port of the cavity 1 of cavity, then the ceramic plug 3 with emission electrode 4 is placed on rare earth glass weldering
On material 5, and rare earth glass solder 5 is inserted in emission electrode 4 and is placed in the plane of electrode ceramic plug 3, components above is led to
Cross the electric arc tube sealing-in that Leakless sealing completes one end.
Metal halide and mercury 6 are filled with by 2 hole of capillary in the semi-finished product of above-mentioned electric arc tube openend sealing-in, filled
After entering to start gas 7, then capillary 2 is sealed by capillary 2 using electromagnetism ionization technique, becomes single-ended ceramic metal
Halide lamp arc tube.
Comparative analysis：
Using 2 single-ended ceramic metal holide lamp arc tubes made from technical solution of the present invention as embodiment 1 and embodiment
2；Using ceramic metal halide lamp arc tube made from patent CN101419894A technical solutions as comparative example 1 and comparative example 2；With
Single-ended two-tube ceramic gold-halogen lamp ray structure made from patent CN10439289A technical solutions is comparative example 3 and comparative example 4, is divided
(power, voltage, electric current) does not carry out properties test under the same conditions, shown in table 1 specific as follows：
1 each embodiment of table and contrast item the performance test results
Analyzed and can be by contrast by the detection data of above-mentioned table 1, single-ended ceramic metal halide lamp electricity produced by the present invention
The relatively existing comparative example 1-4 of arc pipe, light efficiency improve 25~30%, and service life has larger carry under similar colour rendering index
It is high；And above-described embodiment 1-2 and comparative example 1-4, respectively when 2000 is small after life test, 1-2 light of the embodiment of the present invention leads to dimension
Holdup 95%, and the lux maintenance 65% of comparative example 1-4, and the 1-2 electric arc tube phase cavity cold end temperature of the present embodiment from
Originally 800 DEG C are improved to 1000 DEG C, and electric arc pipe end has no obvious nigrescence.
Therefore, the long lifespan of the single-ended ceramic metal holide lamp arc tube, start it is fast, which overcome electric arc tube light efficiency,
The shortcomings that colour rendering is poor, the later stage in service life is also easy to produce self-extinguishment, with design it is reasonable, easy to operate, simple in structure, with the long-life,
The characteristics of specular removal, production technology is reliable, and light efficiency exceedes level-one Energy Efficiency Standard, is industrial and mineral, road photograph suitable for general lamps and lanterns
Bright preferred light source.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (6)
1. a kind of single-ended ceramic metal holide lamp arc tube, it is characterised in that the electric arc tube includes the cavity of open type
(1), the capillary (2) that is arranged at the top of the cavity (1) hemisphere and the staged ceramics for being arranged at the cavity (1) opening
Fill in (3), two emission electrodes (4) are installed with the ceramic plug (3), pass through the capillary (2) in the cavity (1)
Filled with halide and mercury (6) and start gas (7), the cavity (1) and capillary (2) are using high-purity a-Al2O3Polycrystalline
Body aluminium oxide ceramics manufacturing technology monoblock type injection moulding and the transparent oxidation of the polycrystal by being formed in 1800 DEG C of hydrogen atmospheres
Aluminium ceramics, the ceramic plug (3) are to use high-purity a-Al2O3Polycrystal aluminium oxide ceramics manufacturing technology monoblock type injection moulding simultaneously leads to
The transparent aluminium oxide ceramics of the polycrystal formed is crossed in 1800 DEG C of hydrogen atmospheres.
2. single-ended ceramic metal holide lamp arc tube according to claim 1, it is characterised in that the cavity (1) is
The semi-spherical round column structure of open type.
3. single-ended ceramic metal holide lamp arc tube according to claim 1, it is characterised in that the ceramic plug (3)
Sealing-in is carried out by rare earth glass solder (5) with the opening of the cavity (1).
4. single-ended ceramic metal holide lamp arc tube according to claim 1, it is characterised in that the ceramic plug (3)
Sealing-in is carried out by rare earth glass solder (5) between the emission electrode (4).
5. single-ended ceramic metal holide lamp arc tube according to claim 1, it is characterised in that the ceramic plug (3)
On offer two be used for fixed transmission electrode (4) electrode fixing holes (8).
6. single-ended ceramic metal holide lamp arc tube according to claim 1, it is characterised in that the electric arc tube is filling
Enter the halide and the capillary (2) is sealed using electromagnetism ionization technique afterwards with mercury (6) and startup gas (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985865.7A CN106449353B (en) | 2016-11-09 | 2016-11-09 | Single-ended ceramic metal holide lamp arc tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985865.7A CN106449353B (en) | 2016-11-09 | 2016-11-09 | Single-ended ceramic metal holide lamp arc tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106449353A CN106449353A (en) | 2017-02-22 |
| CN106449353B true CN106449353B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610985865.7A Active CN106449353B (en) | 2016-11-09 | 2016-11-09 | Single-ended ceramic metal holide lamp arc tube |
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| CN (1) | CN106449353B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110504513B (en) * | 2019-08-28 | 2020-12-29 | 南京华脉科技股份有限公司 | Ceramic filter for 5G communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2100404B (en) * | 1981-06-12 | 1985-02-13 | Emi Plc Thorn | Discharge lamps-combined lamp and socket |
| US4998036A (en) * | 1987-12-17 | 1991-03-05 | Kabushiki Kaisha Toshiba | Metal vapor discharge lamp containing an arc tube with particular bulb structure |
| JP2859534B2 (en) * | 1994-02-25 | 1999-02-17 | ウシオ電機株式会社 | Metal vapor discharge lamp |
| CN102789956A (en) * | 2011-05-19 | 2012-11-21 | 张宇 | Quartz metal halogen lamp |
| CN104810237A (en) * | 2015-04-23 | 2015-07-29 | 浙江奇达光源有限公司 | Spherical infrared reflection halogen bulb with exhaust pipe |
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