CN106504974A - Xenon flash lamp - Google Patents
Xenon flash lamp Download PDFInfo
- Publication number
- CN106504974A CN106504974A CN201610791602.2A CN201610791602A CN106504974A CN 106504974 A CN106504974 A CN 106504974A CN 201610791602 A CN201610791602 A CN 201610791602A CN 106504974 A CN106504974 A CN 106504974A
- Authority
- CN
- China
- Prior art keywords
- lamp
- xenon flash
- flash lamp
- minor diameter
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052724 xenon Inorganic materials 0.000 title claims abstract description 46
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 20
- 230000009977 dual effect Effects 0.000 claims abstract description 10
- 238000007731 hot pressing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 2
- 208000003351 Melanosis Diseases 0.000 abstract description 11
- 206010001557 Albinism Diseases 0.000 abstract description 9
- 238000010304 firing Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
-
- 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
-
- 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
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Abstract
The present invention provides a kind of xenon flash lamp.It is an object of the invention to provide improve the xenon flash lamp of the luminous efficiency in UV ripples region.Additionally, it is a further object of the present invention to provide the xenon flash lamp being constructed as below：In the xenon flash lamp of luminous efficiency in UV ripples region is improve, lamp startability is good and lights the initial stage in lamp, and albinism or melanism do not occur on lamp tube wall.In the xenon flash lamp of the dual pipe construction that the electrode arrangement portion of the minor diameter body at the illuminating part by major diameter portion body He the two ends of the major diameter body is constituted, at least the terminal part of negative electrode is flushed on lamp axes direction with the end of above-mentioned minor diameter body.
Description
Technical field
The present invention relates to xenon flash lamp.
Background technology
Xenon lamp is the one kind in high-intensity discharge lamp, is using the electric discharge in by xenon and the luminous lamp that produces.
Wherein, xenon flash lamp is used as the light source based on light pulse.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-19131 " flash discharge lamp, flash discharge lamp igniting device and light irradiation
Device " (publication date：2005/01/20) applicant：Harison Toshiba Lighting Corp.
Patent document 2：Japanese Unexamined Patent Publication 2005-56638 " flash lamp " (publication date：2005/03/03) applicant：The rugged electricity of rock
Gas Co., Ltd.
Content of the invention
Invent problem to be solved
Fig. 1 is the figure of the typical luminous distribution for illustrating xenon lamp.Xenon lamp with from ultraviolet range (UV ripples region) to
The continuous spectrum of infrared spectral range (IR ripples region) is characterized, in the luminous distribution very approximate with sunshine.
The present inventor etc. will improve specific wavelength region, herein sending out for UV ripples region in such xenon flash lamp
Light efficiency is used as research topic.
It is therefore an object of the present invention to provide the xenon flash lamp of the luminous efficiency for improving UV ripples region.
Additionally, it is an object of the present invention to provide the xenon flash lamp being constructed as below：In the luminous efficiency for improving UV ripples region
Xenon flash lamp in, lamp startability is good and lights the initial stage in lamp, albinism does not occur on lamp tube wall or melanism is existing
As.
Means for solving the problem
The xenon flash lamp of the present invention is on the one hand, in the illuminating part by major diameter body and the two of the major diameter body
In the xenon flash lamp of the dual pipe construction that the electrode arrangement portion of the minor diameter body at end is constituted, at least the terminal part of negative electrode with upper
The end for stating minor diameter body is flushed on lamp axes direction.
Above-mentioned xenon flash lamp can be with the configuration of the periphery of the above-mentioned minor diameter body in the terminal part for surrounding above-mentioned negative electrode
There is triggering band.
In above-mentioned xenon flash lamp, the end of the terminal part of anode and above-mentioned minor diameter body can be with lamp axes side
Flush upwards.
In above-mentioned xenon flash lamp, above-mentioned electrode arrangement portion can also be heated and welding with minor diameter body for electrode
Hot pressing construction.
Invention effect
In accordance with the invention it is possible to provide the xenon flash lamp of the luminous efficiency that improve UV ripples region.
And, in accordance with the invention it is possible to provide the xenon flash lamp being constructed as below：In the luminous effect that improve UV ripples region
In the xenon flash lamp that rate is improved, lamp startability is good and lights the initial stage in lamp, and albinism or black does not occur on lamp tube wall
Change phenomenon.
Description of the drawings
Fig. 1 is the figure of the typical luminous distribution for illustrating xenon lamp.
Fig. 2 is the figure of the xenon flash lamp for illustrating currently used.
Fig. 3 is the figure of the characteristic for illustrating the light quantity (wavelength 254nm) relative with the luminous bore shown in table 1 and electric current.
Fig. 4 is the figure of the xenon flash lamp of the dual pipe construction that present embodiment is described.
Fig. 5 A are the minor diameter body ends of the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Put the figure of the lamp of the construction being in minor diameter body.
Fig. 5 B are the minor diameter body ends of the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Put the figure of the lamp of the construction for flushing.
Fig. 5 C are the minor diameter body ends of the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe, in place
Put the figure of the lamp of the construction being in major diameter portion body.
Label declaration
2：Electrode arrangement portion, 3：Illuminating part, 4：Electrode arrangement portion, 5：Negative electrode, 5a：Cathode body portion, 5b：Cathode chip
Portion, 6：Anode, 8-1：Firing line, 8-2：The firing line of major diameter portion body, 8-3：The triggering band of minor diameter body, 10：Xenon
Flash lamp, lamp, 12：Albinism, 14：Melanism, 20：Electrode arrangement portion, 30：Illuminating part, 40：Electrode arrangement portion, 50：Cloudy
Pole, 60：Anode, 80-1：Firing line, 80-2,80-3：Circular firing line, 100：Existing lamp
ID：Luminous bore, illuminating part internal diameter, internal diameter, L：Length of illumination
Specific embodiment
Hereinafter, with regard to the embodiment of the xenon flash lamp of the present invention, it is described with reference to the accompanying drawings.In figure, to identical
Key element mark identical reference marks, eliminate the explanation of repetition.Additionally, these embodiments are for understanding the present invention
Illustrate, do not limit the scope of the technology of the present invention at all.
Fig. 2 is the figure that existing xenon flash lamp 100 is described.Existing lamp 100 is the bore of the illuminating part 30 in central authorities
Bore identical cylindrical shape with the electrode arrangement portion 20,40 at two ends is the lamp of straight pipe type.On an electrode arrangement portion 20
Negative electrode 50 is formed with, on another electrode arrangement portion 40, is formed with anode 60.For the startup of auxiliary lamp, in the periphery of body
Portion is wound with several circular firing lines 80-2, and each circular firing line is connected with each other by firing line 80-1.
The electrode arrangement portion 20 for being built in negative electrode 50 and the electrode arrangement portion 40 for being built in anode 60 can be respectively quilt
The adhesive construct for heating and sealing.Such adhesive construct is referred to as hot pressing construction.
Ignition condition is electric capacity to be charged using applied voltage 3.3kV, fills to applying this between the cathode anode of lamp
Piezoelectric voltage.
The dimensions of the existing lamp 100 is as so following.
Interelectrode distance (luminous length)：L=550～850mm
The internal diameter of luminous tube：ID=8mm, thickness of pipe wall (thickness)：1mm
Electrode diameter：6.4mm or 7.5mm
The exploitation originally with the xenon flash lamp of acquisition " strong is luminous " such as the present inventor changes the rule of lamp respectively as target
Lattice and researched and developed.In the process, trial-production have studied lamp as follows, i.e., with the existing lamp phase shown in Fig. 2
Than, increase the internal diameter of lamp, reduce the resistance value between electrode when lighting, flow more electric currents.
Measure has increased the luminescent spectrum of the lamp of lamp internal diameter as a result, confirming compared with existing lamp, in UV ripples area
Domain obtains stronger luminous situation.Stronger luminous xenon flash lamp is obtained in UV ripples region is for sterilization processing
Optimal lamp.
For the existing lamp 100 shown in Fig. 2, the lamp of the luminous bore ID of increase is manufactured experimently, lamp when lighting has been determined
UV ripples region light quantity and electric current.Table 1 is the luminous bore ID of the lamp after increasing luminous bore ID and ultraviolet light quantity
Between relation experimental data.As ultraviolet light quantity, the UV ripples region for example as sterilizing use with effect is determined
Wavelength 254nm light quantity.The change of with illuminating part internal diameter ID relative electric current is also shown in the lump.Fig. 3 is illustrated and table 1
The relative light quantity of luminous bore and peak point current.
【Table 1】
The light quantity (wavelength 254nm) relative with luminous bore and the relation of electric current
As shown in figure 3, as inventor etc. is desired, as luminous bore ID increases to 6～20mm, peak value is electric
Stream (is represented with in figure.) increase generally proportionately.Now, the light quantity in UV ripples region (is represented with ■ in figure.)
Also it is significantly increased.It is therefore to be understood that in order to increase light quantity (wavelength 254nm), as long as further increasing the luminous tube of existing lamp
Internal diameter 8mm both may be used.
The electrode diameter of the existing lamp 100 shown in Fig. 2 be 7.5mm and 6.4mm both.Here, in increase luminous tube
In the case of internal diameter, existing lamp 100 as shown in Figure 2 is such, it is also contemplated that make discharge part become identical with electrode arrangement portion
Bore situation.But, in the case where identical bore is become, produce following such problem.
(1) when the bore of the electrode arrangement portion of luminous tube becomes big, the triggering band/firing line of assistant starting and electrode cores
Interval between piece becomes big, does not obtain sufficiently triggering effect, and lamp startability deteriorates.
(2) when the bore of the electrode arrangement portion of luminous tube becomes big, the gap between electrode and pipe inner peripheral surface becomes big,
In the case of becoming hot pressing construction, bonding operation spends the time.And, the precision of sealing itself is also deteriorated, the qualification rate of product
Also it is deteriorated, reliability also reduces.
(3) also contemplate with increase luminous tube electrode arrangement portion bore situation accordingly, using the suitable pipe
The electrode of the new major diameter of internal diameter.But, the electrode of major diameter can cause cost increase, in addition, producing workshop in batches in lamp
In, it is undesirable to the increase of variety of components.
Therefore, the present inventor etc. is developed by the electrode arrangement portion structure of the illuminating part and minor diameter body of major diameter portion body
Into dual pipe construction lamp.That is, with regard to electrode arrangement portion, employ and construct with 100 identical of existing lamp.
Fig. 4 is the figure of the xenon flash lamp 10 that present embodiment is described.Lamp 10 is that engagement bore is relatively large to light
Portion 3 with formed around the relatively small electrode arrangement portion 2,4 of the bore of electrode portion at the two ends of illuminating part.Match somebody with somebody in electrode
A upper configuration negative electrode 5 in portion is put, and anode 6 is configured on another.Electrode arrangement portion can both be hot pressing construction, it is also possible to
It is non-hot pressing construction.For the startup of auxiliary lamp, several circular firing lines 8-3 are wound in the periphery of electrode arrangement portion 2,4,
Periphery winding annular shape firing line 8-2 of illuminating part 3, these circular firing lines are connected with each other by firing line 8-1.
The ignition condition of lamp 10 is identical with existing lamp 100.
The dimensions of the lamp 10 of present embodiment is as follows.
Interelectrode distance (length of illumination)：L=550mm
The major diameter portion IDa=16mm of luminous tube, minor diameter IDb=10mm, thickness of pipe wall (thickness)：1mm
Electrode diameter：6.4mm or 7.5mm
Enclose gas：Xenon 58.2Pa (equivalent to 437torr)
Tested after the xenon flash lamp 10 for manufacturing experimently the construction of the dual pipe shown in multiple Fig. 4, it is known that several
There is poor starting in individual lamp.And, currently it is also known that there is melanism or albinism in the luminous inside pipe wall of several lamps.
The present inventor etc. are after this reason is analyzed, (that is, little relative to minor diameter body end according to electrode end portion
The boundary portion of diameter body and major diameter portion body) position, it is known that there is the situation of melanism or albinism.And
And, the melanism of the luminous inside pipe wall or albinism are betided near negative electrode compared near anode, mostly.
Therefore, the present inventor etc. makes the terminal part for changing negative electrode relative to minor diameter body and major diameter portion body
The lamp of the position of boundary portion, investigates the situation that the melanism or albinism of luminous inside pipe wall occur.
Fig. 5 A are that the minor diameter body end of the xenon flash lamp for illustrating that cathode end portion is constructed relative to dual pipe is in
The figure of the lamp of the construction in minor diameter body.Fig. 5 B are that construction that cathode end portion is flushed relative to minor diameter body end is described
Lamp figure.Fig. 5 C are the lamps of the construction that cathode end portion is described relative to minor diameter body end in major diameter portion body
Figure.
Table 2 represents the result of the outward appearance of the startability and luminous inside pipe wall of the lamp of Fig. 5 A～Fig. 5 B.
【Table 2】
The result of the outward appearance of the startability of lamp and luminous inside pipe wall
Here, with regard to startability evaluation, two lamps are made respectively and is tested.Experimental condition is the electricity to apply to lamp
Capacity charge voltage 2.5kV is being tested, and is evaluated by starting light repeatedly 1000 times.
With regard to the ocular estimate of the inside pipe wall that lights, make two lamps respectively and tested.Experimental condition is applying to lamp
Plus electric capacity charging voltage 3.6kV being tested (the 600 μ F of electric capacity for being used), lighted with the ratio of 30 seconds 1 time, entered
Evaluated after row 10000 times.
Shown in Fig. 5 A, using the lamp axes right direction that observes in figure as just and on the basis of minor diameter body end,
Cathode end position is in the lamp of Sa=-5mm, there is not actuated lamp.And, there is the luminous inside pipe wall near the negative electrode and send out
The lamp of raw albinism 12.In the case where negative electrode 5 is in minor diameter body, because the electric arc produced from electrode and quartz system
Body contact, so understand body due to electric arc heat and occur albefaction.
In the lamp of the Sb=0mm that the minor diameter body end shown in Fig. 5 B is flushed with cathode end position, do not exist and open
Dynamic bad.And, the luminous inside pipe wall near negative electrode is not changed in, and is beautiful state.
On the basis of minor diameter body end, in the lamp for making cathode end position be Sc=+5mm, depositing shown in Fig. 5 C
In not actuated lamp.And, there is the lamp that the luminous inside pipe wall near the negative electrode occurs melanism 14.Negative electrode 5 passes through by tungsten
The cathode body portion 5a of the composition and cathode chip portion 5b of the transmitter that releases containing the electronics engaged with main part end
To be formed.Cathode chip portion 5b is made up of tungsten and barytic compound.It is located in major diameter portion body in cathode end portion
In the case of construction, electric arc is produced from cathode chip portion 5b, but is produced from cathode body portion 5a, and the tungsten of main part is a large amount of
The reason for dispersing and become melanism 14.
Following situation is aware of according to above result：The lamp structure that minor diameter body end is flushed with cathode end position
It is best to make in terms of the outward appearance of startability and luminous inside pipe wall.
With regard to anode, although have rated the startability of the lamp that minor diameter body end is flushed with cathode end position and send out
The outward appearance of light inside pipe wall, but the outward appearance of startability and luminous inside pipe wall has no problem.
(advantage/effect of present embodiment)
(1) because making electrode arrangement portion for minor diameter body, interval between electrode end and triggering band can be with
Proximity state is maintained, and obtains sufficiently triggering effect, it can be ensured that good startability.
(2) especially, with regard to negative electrode, can be in configuration triggering band near cathode chip portion 5b, all the time from cathode chip portion 5b
Produce electric arc.That is, can prevent to produce electric arc from cathode body portion 5a.Therefore, electric arc is not produced from cathode body portion 5a, lead
Tungsten is caused to disperse and situation as melanism occurs.
(3) become hot pressing construction by making electrode arrangement portion, the rising of electrode temperature can be suppressed.Therefore, can suppress due to
Dispersing for electrode material and the melanism that causes.
[summary]
More than, the xenon flash lamp with regard to present embodiment of the present invention is illustrated, but the present invention is not limited only to this.This
Art personnel can easily carry out adding/eliminate to present embodiment/change.Improvement falls within the scope of the present invention
Interior.The technical scope of the present invention is determined according to the record of claim.
Claims (4)
1. a kind of xenon flash lamp, its are the minor diameter bodys at the two ends by the illuminating part and the major diameter body of major diameter body
Electrode arrangement portion constitute dual pipe construction xenon flash lamp, wherein,
At least the terminal part of negative electrode is flushed on lamp axes direction with the end of the minor diameter body.
2. xenon flash lamp according to claim 1, wherein,
Triggering band is configured with the periphery of the minor diameter body of the terminal part for surrounding the negative electrode.
3. xenon flash lamp according to claim 1, wherein,
The terminal part of anode is flushed on lamp axes direction with the end of the minor diameter body.
4. the xenon flash lamp according to any one in claims 1 to 3, wherein,
The electrode arrangement portion is heated and the hot pressing of welding construction with minor diameter body for electrode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-174371 | 2015-09-04 | ||
| JP2015174371A JP6628208B2 (en) | 2015-09-04 | 2015-09-04 | Xenon flash lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106504974A true CN106504974A (en) | 2017-03-15 |
| CN106504974B CN106504974B (en) | 2019-03-22 |
Family
ID=58279568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791602.2A Active CN106504974B (en) | 2015-09-04 | 2016-08-31 | Xenon flash lamp |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6628208B2 (en) |
| CN (1) | CN106504974B (en) |
| TW (1) | TWI597450B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553466A (en) * | 2003-12-19 | 2004-12-08 | �й���ѧԺ�Ϻ���ѧ���ܻ�е�о��� | Silex glass tube pulse xenon light with high power composite function |
| JP2005019131A (en) * | 2003-06-25 | 2005-01-20 | Harison Toshiba Lighting Corp | Flash discharge lamp, flash discharge lamp lighting device, and optical irradiation device |
| CN101364520A (en) * | 2008-09-17 | 2009-02-11 | 徐川 | Recording flash lamp tube for vehicle mounted road detection apparatus |
| JP4258313B2 (en) * | 2003-08-01 | 2009-04-30 | 岩崎電気株式会社 | Flash lamp |
| US20090134792A1 (en) * | 2007-11-28 | 2009-05-28 | Koito Manufacturing Co., Ltd. | Electric discharge lamp |
-
2015
- 2015-09-04 JP JP2015174371A patent/JP6628208B2/en active Active
-
2016
- 2016-08-10 TW TW105125403A patent/TWI597450B/en active
- 2016-08-31 CN CN201610791602.2A patent/CN106504974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005019131A (en) * | 2003-06-25 | 2005-01-20 | Harison Toshiba Lighting Corp | Flash discharge lamp, flash discharge lamp lighting device, and optical irradiation device |
| JP4258313B2 (en) * | 2003-08-01 | 2009-04-30 | 岩崎電気株式会社 | Flash lamp |
| CN1553466A (en) * | 2003-12-19 | 2004-12-08 | �й���ѧԺ�Ϻ���ѧ���ܻ�е�о��� | Silex glass tube pulse xenon light with high power composite function |
| US20090134792A1 (en) * | 2007-11-28 | 2009-05-28 | Koito Manufacturing Co., Ltd. | Electric discharge lamp |
| CN101364520A (en) * | 2008-09-17 | 2009-02-11 | 徐川 | Recording flash lamp tube for vehicle mounted road detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201710616A (en) | 2017-03-16 |
| TWI597450B (en) | 2017-09-01 |
| JP6628208B2 (en) | 2020-01-08 |
| CN106504974B (en) | 2019-03-22 |
| JP2017050226A (en) | 2017-03-09 |
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