CN103021767A - Manufacturing technique and device for ultraviolet (UV) bulb of metal halide lamp - Google Patents
Manufacturing technique and device for ultraviolet (UV) bulb of metal halide lamp Download PDFInfo
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- CN103021767A CN103021767A CN2012105416870A CN201210541687A CN103021767A CN 103021767 A CN103021767 A CN 103021767A CN 2012105416870 A CN2012105416870 A CN 2012105416870A CN 201210541687 A CN201210541687 A CN 201210541687A CN 103021767 A CN103021767 A CN 103021767A
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Abstract
The invention provides a manufacturing technique for a UV bulb of a metal halide lamp. A glass tube is heated and clamped and sealed through a clamp die to form the UV bulb. The invention further provides a manufacturing device for the UV bulb of the metal halide lamp. The manufacturing device comprises an electrode holder for vertically fixing an electrode component. Flame holders for heating the glass tube are arranged on the circumference of the electrode holder and move up and down vertically, a clamp for clamping the glass tube is arranged above the electrode holder, and the clamp die for clamping the glass tube is further arranged between the electrode holder and the clamp. According to the manufacturing technique and device for the UV bulb of the metal halide lamp, the UV bulb is formed through one step, working gas is fed continuously in a clamp sealing process, the working gas in the UV bulb is purified, processes of vacuum pumping purification, secondary sealing, separation cutting and the like are not needed, the manufacturing technique and the manufacturing device are environment friendly, and the UV bulb does not generate mercury steam at the high temperature to cause the risk of blasting due to too high internal pressure.
Description
Technical field
The present invention relates to a kind of production technology of UV bubble of metal halide lamp.
The invention still further relates to a kind of process units of UV bubble of metal halide lamp.
Background technology
In the prior art, metal halide lamp is by AC power work, produce the luminous discharge lamp of arc discharge in the halide mixed vapour of mercury and rare metal, metal halide lamp is to add the third generation light source that various metal halides are made on the high-pressure mercury lamp basis.UV bubble is set in metal halide lamp, plays the effect of assistant starting, when metal halide lamp starts, the ultraviolet ray that utilizes UV to steep to send or the electric arc tube of radiation of visible light metal halide lamp.
The operation principle of the UV bubble of metal halide lamp is exactly under high voltage pulse, electrode emission free electron, high-velocity electrons and working gas collision, the ultraviolet ray that excites working gas emission energy auxiliary lamp to start, when high-velocity electrons collide foreign gas, the high-velocity electrons that have are absorbed, subtract a little less than the high-velocity electrons speed that has, even be lower than to the speed that excites working gas, rising along with the foreign gas ratio, UV bubble excites the required voltage pulse height higher, exceed the high pressure range that high-pressure pulse device provides after, the UV bubble will lose the ultraviolet function of emission.
In the production of existing UV bubble, generally be the end sealing of first UV being steeped, other end opening.In water, make subsequently the UV bubble upset scheduled time, clean out the dirt in the internal cavities.Then, make the UV bubble dry, the UV bubble is loaded into carries out sintering in the high temperature sintering furnace, present translucence.After the sintering, again UV is steeped the end sealing of opening.This production process is complicated, consumes a large amount of time, human and material resources.
In addition, in the existing UV bubble production process, in order to help to start, need to add radioactive substance, environment is caused very large pollution.Mercury vapour, argon gas gaseous mixture that UV bubble is commonly used under high pressure can produce the electric arc tube that ultraviolet ray helps metal halide lamp and start, but the introducing of mercury had not only increased production cost but also contaminated environment in the UV bubble.
Summary of the invention
The shortcoming of prior art in view of the above the object of the present invention is to provide a kind of production technology and device of UV bubble of metal halide lamp, is used for solving complicated, the serious problem of environmental pollution of prior art UV bubble production process.
Reach for achieving the above object other relevant purposes, the invention provides a kind of production technology of UV bubble of metal halide lamp, may further comprise the steps:
1) with in the electrode assemblie partial insertion glass tube;
2) in glass tube, constantly pass into working gas, make to be full of all the time working gas in the glass tube;
3) with the end heating of glass tube near electrode assemblie, it is softening to make glass tube be heated part;
4) part of using clamping clamping glass pipe to be softened, make the two ends of the glass tube of softening part form two clamping plate, the end of electrode assemblie in glass tube is sealed in two confined spaces between the clamping plate, and glass tube and confined space between electrode assemblie, two clamping plate, two clamping plate form the UV bubble;
5) the UV bubble that processes is separated with the unprocessed glass tube of residue.
Preferably, the electrode assemblie partial insertion glass tube in the step 1) may further comprise the steps: with in the vertical electrode insertion seat of electrode assemblie, glass tube is inserted on the electrode assemblie first again, uses at last anchor clamps that glass tube is vertically fixing.
Preferably, working gas step 2) is the mixing of one or more gases in argon, nitrogen, neon, xenon, the krypton.
Preferably, working gas step 2) is argon gas.
Preferably, the production technology of the UV of metal halide lamp bubble also comprises step 6): with the clamping plate edge heating deburring of the UV bubble that processes.
Preferably, electrode assemblie comprises molybdenum sheet and the molybdenum rod that is connected with molybdenum sheet, and when in the electrode assemblie partial insertion glass tube, molybdenum rod partly is positioned at the outside of glass tube, and molybdenum sheet is positioned at the inside of glass tube; When glass tube was clamped by clamping, the junction of molybdenum rod and molybdenum sheet just in time was positioned at clamping plate.
Reach for achieving the above object other relevant purposes, the present invention also provides a kind of process units of UV bubble of metal halide lamp, it comprises the electrode tip holder for vertical fixed electrode assembly, being circumferentially with for the duration and degree of heating seat that heats glass tube of electrode tip holder, the duration and degree of heating seat is vertically up and down, the top of electrode tip holder is provided be used to the anchor clamps of clamping glass tube, also is provided with the clamping for the clamping glass pipe between electrode tip holder and the anchor clamps.
Preferably, clamping comprises two clamping pieces, and two clamping pieces are symmetrical as symmetry axis take the axis of glass tube to be clamped, and the clamping piece is provided with up and down two protrusion folder faces, and the clamping piece moves radially along glass tube.Further preferred, the top edge of the superposed protrusion folder of clamping piece face also is provided with a cutting projection.
Preferably, this process units also comprises the roasting burr duration and degree of heating for the deburring of clamping plate edge heating.
As mentioned above, production technology and the device of the UV of metal halide lamp of the present invention bubble have following beneficial effect:
Production technology and the device of the UV bubble of this metal halide lamp; by the one-shot forming of clamping clamp; in the clamp process; continue to pass into working gas; purify the working gas in the UV bubble, need not to vacuumize the operations such as purification, secondary seal, separation cuts, very environmental protection; and do not exist UV bubble at high temperature to produce mercury vapour, thereby cause the too high and risk of explosion of internal pressure.
Description of drawings
Fig. 1 is shown as the structural representation of the electrode assemblie in the production technology of UV bubble of metal halide lamp of the present invention.
Fig. 2 is shown as the structural representation of the glass tube in the production technology of UV bubble of metal halide lamp of the present invention.
Fig. 3 is shown as the structural representation of the UV bubble that the production technology of the UV bubble of metal halide lamp of the present invention produces.
Fig. 4 is shown as the vertical view of UV bubble shown in Figure 3.
Fig. 5 is shown as the process schematic diagram one of first step of production technology of the UV bubble of metal halide lamp of the present invention.
Fig. 6 is shown as the process schematic diagram two of first step of production technology of the UV bubble of metal halide lamp of the present invention.
Fig. 7 is shown as the process schematic diagram of second step of production technology of the UV bubble of metal halide lamp of the present invention.
Fig. 8 is shown as the process schematic diagram of third step of production technology of the UV bubble of metal halide lamp of the present invention.
Fig. 9 is shown as the process schematic diagram one of the 4th step of production technology of the UV bubble of metal halide lamp of the present invention.
Figure 10 is shown as the process schematic diagram two of the 4th step of production technology of the UV bubble of metal halide lamp of the present invention.
Figure 11 is shown as the process schematic diagram of the 5th step of production technology of the UV bubble of metal halide lamp of the present invention.
Figure 12 is shown as the process schematic diagram of the 6th step of production technology of the UV bubble of metal halide lamp of the present invention.
Figure 13 is shown as the structural representation of clamping of process units of the UV bubble of metal halide lamp of the present invention.
Figure 14 is shown as the enlarged diagram of the clamping piece of clamping shown in Figure 13.
The element numbers explanation
1 electrode assemblie
11 molybdenum sheets
12 molybdenum rods
2 glass tubes
21 clamping plate
22 confined spaces
3 clampings
31 clamping pieces
311 protrude the folder face
312 cutting projections
4 electrode tip holders
5 anchor clamps
6 duration and degree of heating seats
7 roasting burr duration and degree of heatings
8 UV bubble
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be used by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
See also Fig. 1 to Figure 14.Need to prove, the diagram that provides in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy only show in graphic with the present invention in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
The invention provides a kind of production technology of UV bubble of metal halide lamp, may further comprise the steps:
1) with in the electrode assemblie 1 partial insertion glass tube 2: with in the electrode assemblie 1 vertical electrode insertion seat 4, again glass tube 2 is inserted on the electrode assemblie 1 first, uses at last anchor clamps 5 that glass tube 2 is vertically fixing;
2) constantly pass into working gas in glass tube 2, make to be full of all the time working gas in the glass tube 2, working gas can be the mixing of one or more gases in argon, nitrogen, neon, xenon, the krypton, also can be argon gas; When working gas was argon gas, the flow of argon gas was 2 l/hs ~ 6 l/hs, and the blowing pressure is 20 torrs ~ 300 torrs;
3) with the end heating of glass tube 2 near electrode assemblie 1, it is softening to make glass tube 2 be heated part, and glass tube 2 heating-up temperatures are preferably 1500 ~ 1670 ℃;
4) part of using clamping 3 clamping glass pipes 2 to be softened, make the two ends of the glass tube 2 of this part form two clamping plate 21, the end of electrode assemblie 1 in glass tube 2 is sealed in two confined spaces 22 between the clamping plate 21, glass tube, confined space 22 between electrode assemblie 1, two clamping plate 21, two clamping plate 21 form UV bubble 8, and the time of clamping 3 clamping glass pipes 2 is between 0.2 second to 1.5 seconds;
5) the UV bubble 8 that processes is separated with the unprocessed glass tube of residue;
6) with the clamping plate 21 edge heating deburrings of the UV that processes bubble 8.
Wherein, electrode assemblie 1 comprises molybdenum sheet 11 and the molybdenum rod 12 that is connected with molybdenum sheet 11, and when in the electrode assemblie 1 partial insertion glass tube 2, molybdenum rod 12 parts are positioned at the outside of glass tube, and molybdenum sheet 11 is positioned at the inside of glass tube 2; When glass tube 2 was clamped by clamping 3, molybdenum rod 12 just in time was positioned at clamping plate 21 with the junction of molybdenum sheet 11.
Wherein, the overall diameter of used glass tube 2 is 2.0mm～10.0mm, further is preferably 3.0mm～5.0mm.
The production technology of this UV bubble is by clamping 3 clamp one-shot formings; in the clamp process; continue to pass into working gas; this technical process has the function that purifies working gas in the UV bubble; this production technology need not to vacuumize the operations such as purification, secondary seal, separation cuts; very environmental protection, and do not exist UV bubble at high temperature to produce mercury vapour, thus the too high and risk of explosion of internal pressure caused.
Constantly pass into working gas, when duration and degree of heating heated, flushing glass tube and electrode assemblie had played the effect of protection and Purge gas because of the foreign gas that heating discharges, and after the UV bubble is sealed, played the effect of working gas during the work of UV bubble simultaneously.Working gas in confined space 22 can send visible radiation or ultra-violet radiation irradiation discharge tube, effectively helps Metal halogen lamp to start.
Wherein, if the working gas that passes into is argon gas, after production and processing, the argon gas that is retained in the UV bubble still keeps higher clarity, detects through the gas mass spectrometer, and argon content reaches the 99.0%(mass percent in the cavity) more than.Foreign gas is mainly O2, N2, H2, CO, CO2, CH4 etc., and total content is no more than 1.0%, and when foreign gas content surpassed 1.0%, the UV bubble just can not effectively have been worked.This UV bubble is the assistant starting for high-voltage gas discharging light, offers the required high voltage pulse of UV bubble by the high-pressure pulse device in the lamp circuit, and pulse height generally is no more than 5KV, and what have is lower than 3KV.
Pass into argon flow amount between 2 l/hs to 6 l/hs, the properties of product of UV bubble are best.Argon flow amount is lower than 2 l/hs, easily oxidation under electrode assemblie 1 high temperature, and the foreign gas that glass tube 2 and electrode assemblie 1 discharge can not effectively blow off, and glass tube 2 inner chambers vitreosil composition at high temperature can not remove; Argon flow amount is higher than 6 l/hs, and glass tube 2 is heated to the softening point difficulty, and along with heating-up temperature reduces, viscosity raises, the distortion difficulty, and the clamp place leaks gas easily.For reaching above-mentioned effect, the most preferred the blowing pressure of argon gas is 20 torrs ~ 300 torrs in addition.
The production technology of above-mentioned UV bubble is fit to the UV bubble of glass shell class.If adopt this explained hereafter pottery UV bubble, then adopt respectively the forward and backward two kinds of states of ceramic solidification.Pottery is moulded the base material plasticity before not having hot setting, but clamp, press seal are together, electrode assemblie and working gas is sealed in uncured earthenware moulds in the base, then solidifies pottery under the high temperature and can form the UV bubble.Because pottery is moulded when solidifying under the base high temperature, can burn the binding material when production is ceramic moulds base, the binding material part that these are burnt generates foreign gas and is retained in the UV bubble cavity, and a part forms the residual dirt of solid and is attached on UV bubble cavity inner wall and the electrode assemblie.Working gas in the former UV bubble cavity can not effectively be inspired the ultraviolet ray of lighting a lamp and needing by a high proportion of foreign gas dirtization, and after the earthenware inwall was enclosed residual dirt simultaneously, ultraviolet ray transmissivity reduced greatly.If with the pottery that solidifies, it is also infeasible to adopt technique of the present invention to produce ceramic UV bubble, only has fusing point not have softening point because pottery is crystal.So production technology of the present invention is applicable to glass and does not need the material of hot setting.
The present invention also provides a kind of process units of UV bubble of metal halide lamp, it comprises the electrode tip holder 4 for vertical fixed electrode assembly 1, being circumferentially with for the duration and degree of heating seat 6 that heats glass tube 2 of electrode tip holder 4, duration and degree of heating seat 6 is vertically up and down, the top of electrode tip holder 4 is provided be used to the anchor clamps 5 of clamping glass tube 2, also is provided with the clamping 3 for clamping glass pipe 2 between electrode tip holder 4 and the anchor clamps 5.This process units also comprises the roasting burr duration and degree of heating 7 for clamping plate 21 edge heating deburrings.
Use the process units of the UV bubble of this metal halide lamp, can conveniently realize the production technology of above-mentioned UV bubble, realize the one-shot forming of clamping clamp.
Clamping 3 comprises that 31, two clamping pieces 31 of two clamping pieces are symmetrical as symmetry axis take the axis of glass tube to be clamped 2, and clamping piece 31 is provided with up and down two protrusion folder faces 311, and clamping piece 31 moves radially along glass tube 2; The top edge of clamping piece 31 superposed protrusion folder faces 311 also is provided with a cutting projection 312.
The top edge of clamping piece 31 superposed protrusion folder faces 311 is provided with a cutting projection 312, and the effect of cutting projection 312 is exactly to cut apart UV bubble 8 and unprocessed glass tube 2.Do not cut projection 312, UV needs to increase a cutting action after steeping 8 clamps, can greatly increase the production cost of UV bubble 8.According to producing statistics, except equipment loss, only cost of labor just needs to increase by 1 times.After process clamping 3 was cut apart, the meeting that has between UV bubble 8 and the unprocessed glass tube 2 disconnected, even the not yet disconnection that has, also only have very thin quartz to link to each other, take off UV bubble 8 at this moment, the manual disassemble of operating personnel gets final product.
Edge with roasting burr duration and degree of heating 7 heating clamping plate 21, remove the burr at clamping plate 21 edges, although the technique of deburring does not promote the quality of UV bubble 8, increased on the contrary cost, but sharp-pointed glass burr is easy to scratch operating personnel's skin, the personnel that use the UV bubble are damaged, so increase deburring technique, are very useful and necessary.
In sum; production technology and the device of the UV bubble of metal halide lamp of the present invention; by the one-shot forming of clamping clamp; in the clamp process, continue to pass into working gas, purified the working gas in the UV bubble; need not to vacuumize the operations such as purification, secondary seal, separation cuts; very environmental protection, and do not exist UV bubble at high temperature to produce mercury vapour, thus the too high and risk of explosion of internal pressure caused.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can be under spirit of the present invention and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under disclosed spirit and the technological thought, must be contained by claim of the present invention.
Claims (10)
1. the production technology of the UV of metal halide lamp bubble is characterized in that may further comprise the steps:
1) with in electrode assemblie (1) the partial insertion glass tube (2);
2) in described glass tube (2), constantly pass into working gas, make in the described glass tube (2) to be full of all the time working gas;
3) with the end heating of described glass tube (2) near electrode assemblie (1), it is softening to make described glass tube (2) be heated part;
4) use clamping (3) to clamp the part that described glass tube (2) is softened, make the two ends of the glass tube (2) of softening part form two clamping plate (21), the end that described electrode assemblie (1) is arranged in described glass tube (2) is sealed in the confined space (22) between described two clamping plate (21), and the glass tube between described electrode assemblie (1), two clamping plate (21), two clamping plate (21) and confined space (22) form UV bubble (8);
5) the UV bubble (8) that processes is separated with the unprocessed glass tube of residue.
2. the production technology of the UV of metal halide lamp according to claim 1 bubble, it is characterized in that, electrode assemblie in the step 1) (1) partial insertion glass tube (2), may further comprise the steps: first with in the vertical electrode insertion seat (4) of described electrode assemblie (1), again described glass tube (2) is inserted on the described electrode assemblie (1), uses at last anchor clamps (5) that described glass tube (2) is vertically fixing.
3. the production technology of the UV of metal halide lamp according to claim 1 bubble, it is characterized in that: working gas described step 2) is the mixing of one or more gases in argon, nitrogen, neon, xenon, the krypton.
4. the production technology of the UV of metal halide lamp according to claim 1 bubble, it is characterized in that: working gas described step 2) is argon gas.
5. the production technology of the UV of metal halide lamp according to claim 1 bubble characterized by further comprising step 6): clamping plate (21) the edge heating deburring of the UV that processes being steeped (8).
6. the production technology of the UV of metal halide lamp according to claim 1 bubble, it is characterized in that: described electrode assemblie (1) comprises molybdenum sheet (11) and the molybdenum rod (12) that is connected with described molybdenum sheet (11), when the described glass tube of electrode assemblie (1) partial insertion (2) is middle, described molybdenum rod (12) part is positioned at the outside of described glass tube (2), and described molybdenum sheet (11) is positioned at the inside of described glass tube; When described glass tube (2) was clamped by clamping (3), described molybdenum rod (12) just in time was positioned at described clamping plate (21) with the junction of molybdenum sheet (11).
7. the process units of the UV of metal halide lamp bubble, it is characterized in that: it comprises the electrode tip holder (4) for vertical fixed electrode assembly (1), being circumferentially with for the duration and degree of heating seat (6) that heats glass tube (2) of described electrode tip holder (4), described duration and degree of heating seat (6) is vertically up and down, the top of described electrode tip holder (4) is provided be used to the anchor clamps of clamping glass tube (2) (5), also is provided with the clamping (3) for clamping glass pipe (2) between described electrode tip holder (4) and the described anchor clamps (5).
8. the process units of the UV of metal halide lamp according to claim 7 bubble, it is characterized in that: described clamping (3) comprises two clamping pieces (31), described two clamping pieces (31) are symmetrical take the axis of glass tube to be clamped (2) as symmetry axis, described clamping piece (31) is provided with up and down two protrusion folder faces (311), described clamping piece (31) moving radially along described glass tube (2).
9. the process units of the UV of metal halide lamp according to claim 8 bubble, it is characterized in that: the top edge of the superposed protrusion folder face of described clamping piece (31) (311) also is provided with a cutting projection (312).
10. the process units of the UV of metal halide lamp according to claim 7 bubble, it is characterized in that: this process units also comprises the roasting burr duration and degree of heating (7) for clamping plate (21) edge heating deburring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541687.0A CN103021767B (en) | 2012-12-13 | 2012-12-13 | The production technology of the UV bubble of metal halide lamp and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541687.0A CN103021767B (en) | 2012-12-13 | 2012-12-13 | The production technology of the UV bubble of metal halide lamp and device |
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| CN103021767A true CN103021767A (en) | 2013-04-03 |
| CN103021767B CN103021767B (en) | 2016-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109037008A (en) * | 2018-08-08 | 2018-12-18 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe press seal tooling and its press seal method |
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| CN2653689Y (en) * | 2003-09-09 | 2004-11-03 | 株洲市德光设备制造厂 | Single head desk type semiautomatic gold-halogen lamp special used clamp seal machine |
| CN102034671A (en) * | 2010-10-09 | 2011-04-27 | 上海亚明灯泡厂有限公司 | UV bulb structure of metal halide lamp and manufacturing method thereof |
| CN102395827A (en) * | 2009-04-17 | 2012-03-28 | 岩崎电气株式会社 | Light-source device |
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| CN1370326A (en) * | 1999-12-14 | 2002-09-18 | 皇家菲利浦电子有限公司 | High-pressure discharge lamp |
| CN2653689Y (en) * | 2003-09-09 | 2004-11-03 | 株洲市德光设备制造厂 | Single head desk type semiautomatic gold-halogen lamp special used clamp seal machine |
| CN102395827A (en) * | 2009-04-17 | 2012-03-28 | 岩崎电气株式会社 | Light-source device |
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| CN109037008A (en) * | 2018-08-08 | 2018-12-18 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe press seal tooling and its press seal method |
| CN109037008B (en) * | 2018-08-08 | 2020-02-18 | 安徽华夏显示技术股份有限公司 | Purple light tube press-sealing tool and press-sealing method thereof |
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| CN103021767B (en) | 2016-06-22 |
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