CN104465310B - Metal halogen lamp pole and ceramic gold-halogen lamp - Google Patents
Metal halogen lamp pole and ceramic gold-halogen lamp Download PDFInfo
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- CN104465310B CN104465310B CN201310461211.0A CN201310461211A CN104465310B CN 104465310 B CN104465310 B CN 104465310B CN 201310461211 A CN201310461211 A CN 201310461211A CN 104465310 B CN104465310 B CN 104465310B
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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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/827—Metal halide arc lamps
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Abstract
The invention discloses a kind of metal halogen lamp pole and ceramic gold-halogen lamps.The metal halogen lamp pole includes tungsten electrode bar and molybdenum sheet, one end of the tungsten electrode bar is coaxially electrically connected with the molybdenum sheet, the other end outer surface is wound with tungsten filament helix, and the spherical or spheroidal several transmitting balls of class are folded between the adjoining spiral tungsten filament of the tungsten filament helix；Wherein, the transmitting ball is made of following weight percent composition：Hafnium oxide 0.05~0.5%, lanthana 0.5~3%, neodymia 0.05~10%, surplus are tungsten.The electron work functon of the metal halogen lamp pole is low, effectively reduces the operating temperature of electrode and inhibits the evaporation and growth of tungsten metal, ensure the stabilization of tungsten metal grain structure, service life is long, and luminous efficiency is high.Ceramic gold-halogen lamp is using above-mentioned metal halogen lamp pole as positive and negative electrode, and therefore, the ceramic gold-halogen lamp Environmental Safety, light efficiency is high, and service life is long.
Description
Technical field
The invention belongs to illuminate field of photoelectric technology, a kind of metal halogen lamp pole and ceramic gold-halogen lamp are particularly related to.
Background technology
Ceramic gold-halogen lamp technology development in recent years is increasingly mature, and performance parameter is substantially improved and much surmounts biography in all respects
The quartz metal halide lamp of system uses beginning Rapid Popularization.Even so, but the performance of ceramic gold-halogen lamp is yet to be completed.
Important component of the electrode as ceramic gold-halogen lamp, its construction directly affect the performance of Metal halogen lamp.Wherein, right at present
In mid power ceramic gold-halogen lamp common electrode structure as shown in Figure 1, its mainly include molybdenum sheet (molybdenum foil) 02, the molybdenum sheet 02
With opposite both ends, one end and electrode bar 01 (main component is tungsten and thorium anhydride alloy) are coaxially connected, the other end with
The lead-out wire 04 (main component is molybdenum) of electrical connection, in electrode bar 01 and molybdenum sheet 02 in the opposite another end of coaxial electric connecting terminal
End is also electrically connected with tungsten filament helix 03.Wherein, origin or beginning or end of the electrode bar 01 as electrical discharge arc has and resists at high temperature
Halide chemical attack；Thorium anhydride in electrode bar 01 can reduce the work function of tungsten metal as emissive material.This will have
It works at a lower temperature conducive to electrode bar 01, effectively inhibits the evaporation of tungsten and the deposition in arctube walls, from
And ensure the normal work of Metal halogen lamp.Although thorium anhydride can improve the light efficiency of Metal halogen lamp as emissive material, thorium is to put
Penetrating property element, in decay process, thorium can also discharge gamma-rays in addition to discharging α, β particle, therefore, existing to be made with thorium anhydride
For the Metal halogen lamp of emissive material, there are radioactive pollution in production and use.In addition, being formed using thorium anhydride and tungsten alloy
Electrode bar the light efficiency of ceramic gold-halogen lamp is increased, but it is not too much ideal in actual use, need further
It improves.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, a kind of no thorium metal halogen lamp pole and middle power are provided
Ceramic gold-halogen lamp, it is intended to caused by solving existing ceramic gold-halogen lamp using thorium anhydride as emissive material produce and use
In there is technical issues that radioactive pollution and light efficiency.
In order to achieve the above-mentioned object of the invention, technical scheme is as follows：
A kind of metal halogen lamp pole, including tungsten electrode bar and molybdenum sheet, one end of the tungsten electrode bar and the molybdenum sheet coaxial electrical
Connection, the other end outer surface is wound with tungsten filament helix, spherical shape is folded between the adjoining spiral tungsten filament of the tungsten filament helix
Or the spheroidal several transmitting balls of class；Wherein, the transmitting ball is made of following weight percent composition：
Hafnium oxide 0.05~0.5%；
Lanthana 0.5~3%；
Neodymia 0.05~10%；
Surplus is tungsten.
And a kind of ceramic gold-halogen lamp of middle power, including metal halogen lamp pole, ceramic sleeve and connect with the ceramic sleeve
Logical ceramic discharge chamber and the Illuminant pill being set in the discharge cavity, the above-mentioned Metal halogen lamp electricity of the metal halogen lamp pole
Pole, and the surface wrap of the metal halogen lamp pole has tungsten electrode bar one end of tungsten filament helix and tungsten filament helix to stretch into the ceramics to put
Electric intracavitary, the other end and molybdenum sheet of tungsten electrode bar are sealed in the ceramic sleeve.
Metal halogen lamp pole of the present invention passes through hair of the sandwiched without thorium element in the tungsten filament helix for being wound in tungsten electrode bar one end
Penetrate ball so that the metal halogen lamp pole is radiationless, the safety and environmental protection in production and use；In addition, the transmitting ball by lanthana,
The synergistic effect of hafnium oxide, neodymia and tungsten metal so that the electron work functon of the metal halogen lamp pole is low, effectively reduces electrode
Operating temperature and inhibit tungsten metal evaporation and growth, ensure tungsten metal grain structure stabilization, service life is long, and shine
It is efficient.
Above-mentioned ceramic gold-halogen lamp due to using above-mentioned metal halogen lamp pole be used as electrode, the ceramic gold-halogen lamp environmental protection pacify
Entirely, light efficiency is high, and service life is long.
Description of the drawings
Fig. 1 is existing metal halogen lamp pole structural schematic diagram；
Fig. 2 is the embodiment of the present invention without thorium metal halogen lamp pole structural schematic diagram；
Fig. 3 is the embodiment of the present invention without transmitting bead preparation method flow diagram in thorium metal halogen lamp pole；
Fig. 4 is ceramic gold-halogen lamp structural schematic diagram of the embodiment of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantageous effects to be solved by the present invention be more clearly understood, below in conjunction with
Embodiment and attached drawing, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
An embodiment of the present invention provides the high no thorium metal halogen lamp pole 1 of a kind of radiationless, Environmental Safety and light efficiency, structures
As shown in Figure 2.The metal halogen lamp pole 1 includes tungsten electrode bar 11 and molybdenum sheet 12, one end and 12 one end of molybdenum sheet of the tungsten electrode bar 11
In coaxial electrical connection, the other end outer surface is wound with tungsten filament helix 13, between the adjoining spiral tungsten filament 131 of tungsten filament helix 13
The spherical or spheroidal several transmitting balls 15 of class are folded with, it is opposite in coaxial electric connecting terminal with tungsten electrode bar 11 in molybdenum sheet 12
The other end is also electrically connected with lead-out wire 14.
Specifically, in no thorium metal halogen lamp pole 1 as shown in Figure 2, one end and 12 one end of molybdenum sheet of tungsten electrode bar 11 are in
Coaxial electrical connection may be used lead-out wire 14 and be electrically connected.When coaxially connected using molybdenum sheet 12 and tungsten electrode bar 11, the molybdenum sheet
12 can effectively realize the outstanding air-tightness of electric arc pipe end, so as to being smoothed out for high-pressure discharge.It is of course also possible to directly
One end of tungsten electrode bar 11 and 12 one end of molybdenum sheet are subjected to coaxial welding, when being connected using direct welding method, in order to enable tungsten
Firm welding between electrode stem 11 and molybdenum sheet 12 can also be added in one end of tungsten electrode bar 11 and the weld of 12 one end of molybdenum sheet
With transition molybdenum sheet (no figure is shown).It is also electrically connected in the opposite the other end of coaxial electric connecting terminal with tungsten electrode bar 11 in molybdenum sheet 12
It is connected to lead-out wire 14.Wherein, the material main component of the lead-out wire 14 at two is molybdenum.
It is wrapped in the tungsten filament helix 13 of the other end outer surface opposite with 12 electric connecting terminal of molybdenum sheet of tungsten electrode bar 11
Length does not require particularly, can be according to the Design of length of this field tungsten filament helix routine.Due in above-described embodiment
In, transmitting ball 15 is folded between adjacent two helical tungsten filaments 131, therefore, the tungsten filament diameter of the tungsten filament helix 13 should expire
Foot can sandwiched live emit ball 15.Wherein, transmitting ball 15 is made of following weight percent composition：
Hafnium oxide 0.05~0.5%；
Lanthana 0.5~3%；
Neodymia 0.05~10%；
Surplus is tungsten.
The synergistic effect that the transmitting ball 15 passes through lanthana, hafnium oxide, neodymia and tungsten metal so that the metal halogen lamp pole
1 electron work functon is low, effectively reduces the operating temperature of the metal halogen lamp pole 1 and inhibits the evaporation and growth of tungsten metal, protects
The stabilization of tungsten metal grain structure is demonstrate,proved, service life is long, and luminous efficiency is high.Specifically, the lanthana energy of transmitting ball 15 is constituted
The work function of tungsten metal is effectively reduced, thus reduces the electron work functon of the metal halogen lamp pole 1, to effectively reduce the gold
The operating temperature of halogen lamp electrode 1 and the evaporation for inhibiting tungsten metal；Hafnium oxide can generate stable mixture with lanthana, effectively press down
Oxygenerating lanthanum volatilizees at work, and in this way when the metal halogen lamp pole 1 works, lanthana is along tungsten particle surface, from transmitting ball
The time that 15 surface of transmitting ball is diffused into inside 15 is extended, to improve the service life of Metal halogen lamp；Neodymia can be effective
Inhibit the growth of tungsten metallic particles, and grain structure is controllable, particle size is smaller, maintains the stabilization of tungsten metal grain structure.
In a particular embodiment, in above-mentioned transmitting ball 15 weight percentage of hafnium oxide can be 0.05%, 0.1%,
0.15%, 0.2%, 0.25%, 0.30%, 0.35%, 0.40%, 0.45%, 0.50%；The weight percentage of lanthana can
To be 0.5%, 0.8%, 1%, 1.5%, 2%, 2.5%, 3%；The weight percentage of neodymia can be 0.05%,
0.1%, 0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 6%, 6.5%, 7%, 8%,
9%, 10%.
In order to enable transmitting ball 15 preferably plays its effect so that the electron work functon of the metal halogen lamp pole 1 is lower, makes
Metal halogen lamp light efficiency higher is obtained, as the preferred embodiment of the present invention, transmitting ball 15 is the phase for being folded in tungsten filament helix 13 at interval
Between adjacent helical tungsten filament 131, and the spacing of the transmitting ball 15 adjacent two-by-two of sandwiched is between same adjoining spiral tungsten filament 131
0.05~0.1mm.In a particular embodiment, two-by-two the spacing of adjacent transmitting ball 15 can be 0.05mm, 0.06mm,
0.07mm, 0.08mm, 0.09mm, 0.10mm are equidistant.
As another preferred embodiment of the present invention, transmitting ball 15 in the various embodiments described above a diameter of 0.1~
0.3mm.In a particular embodiment, the diameter of the transmitting ball 15 can be 0.1mm, 0.15mm, 0.20mm, 0.25mm, 0.3mm etc.
Size, more preferably 0.20mm.
As the another preferred embodiment of the present invention, the transmitting ball 15 in the various embodiments described above is according to work as shown in Figure 3
Prepared by process comprising following steps：
S01. by ball-milling treatment, the mixed material of hafnium oxide, lanthana, neodymia, tungsten powder is prepared：By hafnium oxide, oxygen
Change lanthanum, neodymia, tungsten powder and carry out ball-milling treatment in vacuum or inert gas atmosphere after mixing in proportion, obtains mixed material；
S02. sintering prepares transmitting ball 15 after mixed material being molded：Spherical shape is made in mixed material molding prepared by step S01
Or similar spheric granules is placed in reducing atmosphere the sintering processes at 1460~1480 DEG C, and continue to cool down in a reducing atmosphere.
Specifically, the hafnium oxide in above-mentioned steps S01, lanthana, neodymia, tungsten powder mixed proportion are as described above, with
Four total weight amounts be 100% meter, the hafnium oxide be 0.05~0.5%, lanthana be 0.5~3%, neodymia be 0.05~
10%, surplus is tungsten.In a particular embodiment, the weight percentage of hafnium oxide can be 0.05%, 0.1%, 0.15%,
0.2%, 0.25%, 0.30%, 0.35%, 0.40%, 0.45%, 0.50%；The weight percentage of lanthana can be
0.5%, 0.8%, 1%, 1.5%, 2%, 2.5%, 3%；The weight percentage of neodymia can be 0.05%, 0.1%,
0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%, 6%, 6.5%, 7%, 8%, 9%, 10%.
In step S01, in order to enable hafnium oxide, lanthana, neodymia, tungsten powder each component mix more in ball milling
Uniformly, and grinding efficiency is provided, in a preferred embodiment, the hafnium oxide, lanthana, oxygen which is 2 μm~5 μm
Change neodymium, tungsten powder is raw material.
In further preferred embodiments, the process conditions of ball-milling treatment are in step S01：Using tungsten ball as ball-milling medium,
Rotational speed of ball-mill is 180~250r/min, and ratio of grinding media to material is 8~15: 1, and ball packing factor is 5~9%, and Ball-milling Time is 30~60h.It should
The process conditions of ball-milling treatment in preferred embodiment mix more uniformly after capable of making four groups of lease making ball millings, and grinding efficiency is high.
In a particular embodiment, the process conditions of the ball-milling treatment are：Using tungsten ball as ball-milling medium, rotational speed of ball-mill is
200r/min, ratio of grinding media to material 10: 1, ball packing factor are 6%, Ball-milling Time 40h.
In step S01, when ball-milling treatment carries out in inert gas, which can select Ar, certainly
If conditions permit, other inert gases can also be selected.
In above-mentioned steps S02, the mold pressing parameter for the mixture that hafnium oxide, lanthana, neodymia, tungsten powder are formed after ball milling
Preferably：Pressure is 500MPa~2700MPa, and the time is 5~30 minutes, more preferably 2000MPa, and the time is 10 minutes.
It is preferred that under mold pressing parameter, the mixture bead obtained after molding is closely knit, and loose phenomenon is not susceptible in sintering, therefore,
The transmitting ball 15 obtained after the preferred mold pressing parameter processing and calcining is closely knit, the spherical or spheroidal stabilized structure of class class, and
Its emitting performance is more excellent, and makes, so that 1 service life of metal halogen lamp pole extends.
In step S02, at a temperature of 1460~1480 DEG C when sintering processes, the temperature of sintering is preferably 20~
50min, more preferably 30min.The preferred sintering temperature and time can make hafnium oxide, lanthana, neodymia, tungsten powder mixing
Object is fully sintered so that final 15 structure of transmitting ball and performance are stablized, closely knit.
As a preferred embodiment, the reducing atmosphere of sintering processes is hydrogen reducing atmosphere, which can guarantee
Tungsten powder in mixture is not oxidized, while can also improve the density of transmitting 15 finished product of ball, reduces porosity, to further
The performance of transmitting ball 15 is improved, 1 service life of metal halogen lamp pole is extended.
After above-described embodiment sintering processes, the ball weight of the transmitting ball 15 is 0.1~0.5mg.
Therefore, the metal halogen lamp pole 1 in above-described embodiment is used as hair using lanthana, hafnium oxide, neodymia and tungsten metal
Material is penetrated, existing electrode is substituted and uses thorium anhydride so that metal halogen lamp pole 1 is in production and use without ray radiation, safety
Environmental protection.Lanthana, hafnium oxide, neodymia and tungsten metal emissive material are made it is coccoid, and by the transmitting ball in bead, that is, Fig. 2
15 are folded between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and the preferred ball 15 that emits is that interval is folded in adjoining spiral
Between tungsten filament 131, by the synergistic effect and transmitting ball that emit the lanthana in ball 15, hafnium oxide, neodymia and tungsten metal
The setting of 15 positions so that the electron work functon of the metal halogen lamp pole 1 is low, effectively reduces operating temperature and the inhibition of electrode 1
The evaporation and growth of tungsten metal ensure the stabilization of tungsten metal grain structure, and service life is long, and light efficiency is high.
Correspondingly, the embodiment of the present invention additionally provides that a kind of safety and environmental protection, light efficiency be high and middle power with long service life
Ceramic gold-halogen lamp, structure as shown in figure 4, including metal halogen lamp pole 1 as described above, ceramic sleeve 2 and with ceramic sleeve 2
The ceramic discharge chamber 3 of connection and be set in discharge cavity 3 Illuminant pill 4, wherein the surface wrap of metal halogen lamp pole 1 has
11 one end of tungsten electrode bar of tungsten filament helix 13 and tungsten filament helix 13 stretch into the ceramic discharge chamber 3, tungsten electrode bar 11 it is another
End and molybdenum sheet 12 are sealed in the ceramic sleeve 2.In the ceramic gold-halogen lamp, Illuminant pill 4, which may be used, directly to be selected now
Some Illuminant pills, the other end and molybdenum sheet 12 of tungsten electrode bar 11 are sealed in the method for the ceramic sleeve 2 and envelope material can be with
Using the packaging method of existing ceramic gold-halogen lamp, due to the presence of molybdenum sheet 12 so that have after the 2 sealed encapsulation of ceramic sleeve excellent
Elegant air-tightness, ensure that being smoothed out for high-pressure discharge.After ceramic sleeve 2 is encapsulated, it is electrically connected with 12 one end of molybdenum sheet
The lead-out wire 14 connect stretches out except ceramic sleeve 2, to be connect with power supply.
In a preferred embodiment, the Illuminant pill 4 being set in ceramic discharge chamber 3 is by sodium iodide, thallium iodide, indium iodide
It is made, and the molar ratio of sodium iodide, thallium iodide, indium iodide is (0.005~0.015):(6.0×10-4~7.0 × 10-4):
(4.0×10-5~4.7 × 10-5).The optimum ratio can make the Illuminant pill to be formed 4 have good light efficiency, colour rendering index
And colour temperature.
Specifically, 4 preparation method of Illuminant pill is preferably as follows：
Above-mentioned sodium iodide, thallium iodide, indium iodide light emitting composition are uniformly mixed after forming mixture, are placed in nozzle
Quartz container in, at 110~150 DEG C be preferably 130 DEG C at carry out forevacuum handle 40~60 minutes preferably 50 minutes, so
After be slowly heated to mixture melting, as after stirring 30 minutes after stir process, the mixture of melting is sprayed from nozzle, melting
Liquid pearl cool and solidify balling-up rapidly in high-purity inert gas such as argon gas mass transport process, finally by products therefrom in molecular pump
Under high vacuum system, the micro miscellaneous gas being adsorbed in ball surface is further removed, in H2O and O2Content is less than the glove box of 1ppm
Inside sieved.Product through can be not only used for the production of ceramic gold-halogen lamp after the assay was approved.Wherein, it is slowly heated to mixture melting
Heating rate be 1~3 DEG C/min.
In further preferred embodiments, through in above-mentioned ceramic gold-halogen lamp embodiment, which is 0.3
~0.8mm, preferably 0.5mm；Grain weight is 0.3~1.1mg, preferably 0.5mg.The Illuminant pill 4 of the preferred size and grain weight
More can easily and fast, accurately it be injected into ceramic discharge chamber 3 by noting ball device.
The power of ceramic gold-halogen lamp containing no thorium metal halogen lamp pole 1 as shown in Figure 2 is preferably 150~400W.
Therefore, above-mentioned porcelain Metal halogen lamp is using above-mentioned metal halogen lamp pole 1 due to being used as electrode, porcelain Metal halogen lamp environmental protection
Safety, light efficiency is high, and service life is long.Further, pass through the allotment to Illuminant pill 4 ingredient and content so that porcelain Metal halogen lamp
With excellent light efficiency and colour temperature.
In conjunction with specific example, structure and performance to metal halogen lamp pole of the embodiment of the present invention and ceramic gold-halogen lamp are made into one
Step is described in detail.
Embodiment 1
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
0.05wt% hafnium oxide, 1% lanthana, 6% neodymia, remaining be tungsten, average diameter 0.1mm, interval is folded in
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched hair adjacent two-by-two
The average headway for penetrating ball 15 is 0.05mm.
The preparation method of the transmitting ball 15 is as follows：
By average particle diameter size range 3um hafnium oxide, lanthana, neodymia and tungsten metal particle powder, according to
0.05wt% hafnium oxide, 1wt% lanthanas, 6wt% neodymia, remaining be put into high energy ball mill for the ratio of tungsten, be added
Tungsten ball ball-milling medium carries out high-energy ball milling, ball-milling technology is using Ar as protective atmosphere to powder:Rotational speed of ball-mill is 200r/
Min, ratio of grinding media to material 10: 1, ball packing factor are 6%, then stamping of powder is shaped, is pressed into grain size by Ball-milling Time 40h
For the spherical particle of 0.1mm, 30min is then sintered in 1460~1480 DEG C in hydrogen is protective atmosphere, and is to protect in hydrogen
Shield atmosphere cools down to obtain the transmitting ball 15.
The ceramic gold-halogen lamp is set to the molar ratio of sodium iodide in the Illuminant pill 4 in discharge cavity 3, thallium iodide and indium iodide
It is 0.01:6.6×10-4:4.4×10-5.Preparation method is as follows：
It is 0.01 by molar ratio:6.6×10-4:4.4×10-5Sodium iodide, thallium iodide and indium iodide be uniformly mixed and formed
It after mixture, is placed in the quartz container with nozzle, forevacuum is carried out at 130 DEG C and is handled 50 minutes, is then slowly heated
It melts, stirs 30 minutes to mixture, the mixture of melting is sprayed from nozzle, the liquid pearl of melting is in high-purity argon gas mass transfer mistake
Balling-up is cooled and solidified in journey rapidly, then by products therefrom under molecular pump high vacuum system, further removes and is adsorbed on ball table
Micro miscellaneous gas on face, in H2O and O2Content is sieved in the glove box less than 1ppm, is examined.The Illuminant pill being prepared
4 diameters are 0.5mm, and grain weight is 0.5mg.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 2
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
The neodymia of 0.1wt% hafnium oxide, 1wt% lanthanas, 6wt%, remaining is tungsten, average diameter 0.2mm, interval sandwiched
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched it is adjacent two-by-two
The average headway for emitting ball 15 is 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 180r/min, ratio of grinding media to material 8: 1, ball packing factor be 5%, Ball-milling Time 40h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 20min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 3
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
The neodymia of 0.3wt% hafnium oxide, 1wt% lanthanas, 6wt%, remaining is tungsten, average diameter 0.3mm, interval sandwiched
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched it is adjacent two-by-two
The average headway for emitting ball 15 is 0.1mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 250r/min, ratio of grinding media to material 15: 1, ball packing factor be 9%, Ball-milling Time 60h, then by stamping of powder at
Shape is pressed into 0.3mm spherical particles, is then sintered 30min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 4
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
The neodymia of 0.5wt% hafnium oxide, 1wt% lanthanas, 6wt%, remaining is tungsten, average diameter 0.2mm, interval sandwiched
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched it is adjacent two-by-two
The average headway for emitting ball 15 is 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 180r/min, ratio of grinding media to material 8: 1, ball packing factor be 5%, Ball-milling Time 40h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 20min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 5
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
0.1wt% hafnium oxide, 0.5wt% lanthanas, the neodymia of 6wt%, remaining is tungsten, average diameter 0.2mm, spacer clip
Be located between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched it is adjacent two-by-two
Transmitting ball 15 average headway be 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 200r/min, ratio of grinding media to material 9: 1, ball packing factor be 7%, Ball-milling Time 50h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 50min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 6
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
0.1wt% hafnium oxide, 3wt% lanthanas, the neodymia of 6wt%, remaining is tungsten, average diameter 0.2mm, interval sandwiched
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched it is adjacent two-by-two
The average headway for emitting ball 15 is 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 180r/min, ratio of grinding media to material 8: 1, ball packing factor be 5%, Ball-milling Time 40h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 20min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 7
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
0.1wt% hafnium oxide, 1wt% lanthanas, the neodymia of 0.05wt%, remaining is tungsten, average diameter 0.2mm, interval
Be folded between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched two two-phases
The average headway of adjacent transmitting ball 15 is 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 180r/min, ratio of grinding media to material 8: 1, ball packing factor be 5%, Ball-milling Time 40h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 20min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 8
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, the structure of metal halogen lamp pole are ceramic as described above and shown in attached drawing 2
The structure of Metal halogen lamp is as described above and shown in attached drawing 4.Wherein, the component of the transmitting ball 15 in the metal halogen lamp pole 1：
0.1wt% hafnium oxide, 1% lanthana, 10% neodymia, remaining is tungsten, and average diameter 0.2mm, interval is folded in
Between the adjoining spiral tungsten filament 131 of tungsten filament helix 13, and between same adjoining spiral tungsten filament 131 sandwiched hair adjacent two-by-two
The average headway for penetrating ball 15 is 0.07mm.
The preparation method of the transmitting ball 15 is with reference to emitting 15 preparation method of ball in embodiment 1, wherein ball-milling technology is:Ball
Mill rotating speed be 180r/min, ratio of grinding media to material 8: 1, ball packing factor be 5%, Ball-milling Time 40h, then by stamping of powder at
Shape is pressed into 0.2mm spherical particles, is then sintered 20min in 1460~1480 DEG C in hydrogen is protective atmosphere.
The ceramic gold-halogen lamp is set to Illuminant pill in such as embodiment 1 of the Illuminant pill 4 in discharge cavity 3.
In addition, the power setting of the ceramic gold-halogen lamp is 400W.
Embodiment 9
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, wherein the structure of the metal halogen lamp pole and the component for emitting ball are equal
For metal halogen lamp pole in embodiment 2.
The ceramic gold-halogen lamp is set to the molar ratio of sodium iodide in the Illuminant pill 4 in discharge cavity 3, thallium iodide and indium iodide
It is 0.01:6.0×10-4:4.0×10-5.Preparation method of the preparation method with reference to Illuminant pill 4 in embodiment 1.It is prepared
4 diameter of Illuminant pill be 0.3mm, grain weight is 0.3mg.
In addition, the power setting of the ceramic gold-halogen lamp is 150W.
Embodiment 10
A kind of metal halogen lamp pole and ceramic gold-halogen lamp, wherein the structure of the metal halogen lamp pole and the component for emitting ball are equal
For metal halogen lamp pole in embodiment 2.
The ceramic gold-halogen lamp is set to the molar ratio of sodium iodide in the Illuminant pill 4 in discharge cavity 3, thallium iodide and indium iodide
It is 0.01:7.0×10-4:4.7×10-5.Preparation method of the preparation method with reference to Illuminant pill 4 in embodiment 1.It is prepared
4 diameter of Illuminant pill be 0.8mm, grain weight is 1.1mg.
In addition, the power setting of the ceramic gold-halogen lamp is 150W.
Comparative example 1
A kind of 400W ceramic gold-halogen lamps, electrode existing structure as shown in Figure 1 and use thorium anhydride for emit material
Expect, the Illuminant pill in the Illuminant pill such as embodiment 1 that are set in discharge cavity.
Ceramic gold-halogen lamp correlated performance is tested
Using electric light source, quickly photochromic test system provides above-described embodiment 1 to embodiment 10 and comparison example 1
The performances such as luminous efficiency (ratio of luminous flux and power), colour rendering index and the opposite colour temperature of 400W ceramic gold-halogen lamps are surveyed
Examination.Wherein, quickly photochromic test system is provided electric light source by optical laboratory of Fudan University.
Specific test condition：Every time before test, it is fixed first to carry out luminous flux to system for the standard sources for being 2856K with colour temperature
Mark and spectral calibration.Before starting testing light source, first burning point ceramic gold-halogen lamp 20 minutes or more in ball, makes light stability burning point.
After Metal halogen lamp to be measured works normally 200h, using electric light source, quickly photochromic test system is tested, each group
Ceramic gold-halogen lamp sample size is 12, wherein vertical lighting is 6, horizontal lighting is 6.Light source is in each of each test point
Parameter takes the average value of these effective lamp parameters.
Obtain that test result is as follows states table 1 according to above-mentioned test method：
Table 1
From table 1 it follows that no thorium ceramic metal halide lamp efficiency provided in an embodiment of the present invention, colour temperature and relatively refer to
Number can reach the correlated performance of existing thoriated ceramic gold-halogen lamp, or even the correlated performance also than existing thoriated ceramic gold-halogen lamp is excellent
Different, if the ceramic metal halide lamp efficiency provided in embodiment 2 is up to 73Lm/w, colour temperature is up to 3940K, and relative indices are up to
84.In addition, due in above-described embodiment ceramic metal halide use no thorium metal halogen lamp pole described above, this without thorium ceramics
Metal halogen lamp safety and environmental protection in preparation and use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. a kind of metal halogen lamp pole, including tungsten electrode bar and molybdenum sheet, one end of the tungsten electrode bar are coaxially electrically connected with the molybdenum sheet
Connect, the other end outer surface is wound with tungsten filament helix, be folded between the adjoining spiral tungsten filament of the tungsten filament helix it is spherical or
The spheroidal several transmitting balls of class；Wherein, the transmitting ball is made of following weight percent composition：
Hafnium oxide 0.05%~0.5%；
Lanthana 0.5%~3%；
Neodymia 0.05%~10%；
Surplus is tungsten；
The transmitting ball interval is folded between the adjoining spiral tungsten filament of tungsten filament helix, and the same adjacent helical tungsten filament it
Between sandwiched the transmitting ball adjacent two-by-two spacing be 0.05mm~0.1mm；A diameter of 0.1mm of the transmitting ball~
0.3mm；The preparation method of the transmitting ball includes the following steps：
In vacuum or indifferent gas after hafnium oxide, lanthana, neodymia, tungsten powder are mixed in the ratio of the weight percent composition
Ball-milling treatment is carried out in body atmosphere, obtains mixed material；
Spherical or similar spheric granules is made in mixed material molding to be placed in reducing atmosphere at 1460~1480 DEG C
Sintering processes, and continue to cool down in a reducing atmosphere；In the sintering processes the step of, it is sintered at 1460 DEG C~1480 DEG C
The time of processing is 20min~50min；In the sintering processes the step of, the mixed material molding pressure is 500Mpa
~2700Mpa, time are 5 minutes~30 minutes；In the step of preparing the mixed material, the technique item of the ball-milling treatment
Part is：Using tungsten ball as ball-milling medium, rotational speed of ball-mill is 180r/min~250r/min, and ratio of grinding media to material is (8~15): 1, ball filling system
Number is 5%~9%, and Ball-milling Time is 30h~60h.
2. a kind of ceramic gold-halogen lamp of middle power, including metal halogen lamp pole, ceramic sleeve and the pottery being connected to the ceramic sleeve
Porcelain discharge cavity and the Illuminant pill being set in the discharge cavity, the metal halogen lamp pole are golden halogen described in claim 1
Lamp electrode, and the surface wrap of the metal halogen lamp pole has tungsten electrode bar one end of tungsten filament helix and tungsten filament helix to stretch into the pottery
In porcelain discharge cavity, the other end and molybdenum sheet of tungsten electrode bar are sealed in the ceramic sleeve.
3. ceramic gold-halogen lamp as claimed in claim 2, it is characterised in that：The power of the ceramic gold-halogen lamp be 150W~
400W。
4. ceramic gold-halogen lamp as claimed in claim 2 or claim 3, it is characterised in that：The Illuminant pill is (0.005 by molar ratio
~0.015):(6.0×10-4~7.0 × 10-4):(4.0×10-5~4.7 × 10-5) sodium iodide, thallium iodide and indium iodide system
It is standby to form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310461211.0A CN104465310B (en) | 2013-09-25 | 2013-09-25 | Metal halogen lamp pole and ceramic gold-halogen lamp |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252891A (en) * | 1997-12-22 | 2000-05-10 | 皇家菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| CN101924010A (en) * | 2010-09-10 | 2010-12-22 | 中国原子能科学研究院 | Glowing pills for ceramic metal halide lamps |
| CN103045886A (en) * | 2012-12-27 | 2013-04-17 | 大连理工大学 | A kind of preparation method of rare earth tungsten electrode material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004063469A (en) * | 2003-08-29 | 2004-02-26 | Toho Kinzoku Co Ltd | Method for producing electrode for discharge lamp |
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2013
- 2013-09-25 CN CN201310461211.0A patent/CN104465310B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252891A (en) * | 1997-12-22 | 2000-05-10 | 皇家菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| CN101924010A (en) * | 2010-09-10 | 2010-12-22 | 中国原子能科学研究院 | Glowing pills for ceramic metal halide lamps |
| CN103045886A (en) * | 2012-12-27 | 2013-04-17 | 大连理工大学 | A kind of preparation method of rare earth tungsten electrode material |
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