CN106525234A - Multi-wing shaped deuterium lamp UV light source - Google Patents
Multi-wing shaped deuterium lamp UV light source Download PDFInfo
- Publication number
- CN106525234A CN106525234A CN201611121877.1A CN201611121877A CN106525234A CN 106525234 A CN106525234 A CN 106525234A CN 201611121877 A CN201611121877 A CN 201611121877A CN 106525234 A CN106525234 A CN 106525234A
- Authority
- CN
- China
- Prior art keywords
- deuterium lamp
- light source
- temperature
- diaphragm
- deuterium
- 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.)
- Pending
Links
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 title claims abstract description 94
- 229910052805 deuterium Inorganic materials 0.000 title claims abstract description 94
- 239000000523 sample Substances 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract 3
- 238000010168 coupling process Methods 0.000 claims abstract 3
- 238000005859 coupling reaction Methods 0.000 claims abstract 3
- 239000011521 glass Substances 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003574 free electron Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- UFHFLCQGNIYNRP-VVKOMZTBSA-N Dideuterium Chemical compound [2H][2H] UFHFLCQGNIYNRP-VVKOMZTBSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005251 capillar electrophoresis Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
Abstract
The invention discloses a multi-wing shaped deuterium lamp UV light source which comprises a deuterium lamp (1), a multi-wing shaped housing (2), a temperature control fan (3), a diaphragm (4), a photoelectric probe (5) and a coupling lens (6). Deuterium lamps are widely used in a plurality of high-precision analyzing apparatuses and equipment, the consumables are short in service lifetime, and have strict requirements on temperature during working. The multi-wing shaped deuterium lamp UV light source utilizes the heat transfer mode of diffusion in cooperation with conduction to realize the heat dissipation of the deuterium lamp by forced air cooling. The multi-wing shaped housing and the temperature control fan are used to control the working temperature of the deuterium lamp to the optimum temperature range, thereby prolonging the service lifetime of the deuterium lamp and improving the light source stability. The multi-wing shaped deuterium lamp UV light source is especially suitable for environmental temperature changes. Stable and reliable mechanical interface and electronic interface facilitate use of a deuterium lamp, the deuterium lamp is simple and fast for replacement, and adjustment is not needed. The coupling lens, the diaphragm and the photoelectric probe can improve the integration level and expansibility of the deuterium lamp light source.
Description
Technical field
The present invention relates to the technical field of deuterium lamp ultraviolet source design, and in particular to a kind of many fin deuterium lamp ultraviolet sources.
Background technology
Recently as science and technology and industrial expansion, the radiation of ultraviolet band is widely used to material science, energy
Source science, space science, environmental science, health care and many other science production fields.Deuterium lamp is used as a kind of preferable ultraviolet
Light source, is widely used in various high-accuracy analytical tool and equipment, such as trace gas analysis instrument, ultraviolet spectrophotometer, height
Effect liquid phase chromatogram instrument, capillary electrophoresis, flue gas analyzer, medical instrument, densitometer and colorimeter etc..When deuterium lamp works
When, i.e., after filament electrified regulation, launch free electron, while anode add voltage, free electron under the acceleration of electric field to
There is inelastic collision with deuterium molecule in anode movement, free electron, make deuterium molecule in excited state, when the original state of its return
Or during relatively low energy state, just release energy in the form of radiation and light, mainly generation 190～400nm wave-length coverages is ultraviolet
Light.
Deuterium lamp is easily lost, and generally uses the life-span and is：Domestic deuterium lamp 500～800 hours, 1000 hours (minorities of import deuterium lamp
Long-life was up to 2000 hours).And, deuterium lamp operationally has extremely strict requirements to temperature, because high outside temperature
Degree raises cathode temperature, electronic emission material evaporation, and low external temperature increases air pressure step-down in lamp, ion kinetic energy,
Spill cathode electronics emissive material more.Therefore, the temperature of glass shell needs to maintain 245 DEG C～280 DEG C, not more than
Cross 290 DEG C, temperature it is too high or it is too low can all make in lamp gas consumption faster, energy declines, reduced lifetime.Traditional method passes through
Natural diffuseness or the radiating mode of convection current, it is so influenced by ambient temperature big, it is impossible to ensure the optimum working temperature of deuterium lamp, and
Exterior temperature change can cause output shift, reduce the stability of deuterium lamp light source.
The content of the invention
A kind of many fin deuterium lamp ultraviolet source main purposes proposed by the present invention are to solve to control the work of traditional deuterium lamp
Make temperature stabilization to optimum working temperature, improve life-span and the stability of deuterium lamp, be particularly suited for the situation of variation of ambient temperature
Under.
Technical scheme proposed by the present invention is：A kind of many fin deuterium lamp ultraviolet sources, including deuterium lamp, many aliform shells, temperature
Control fan, diaphragm, photoelectric probe and coupled lens, described many aliform shells are processed according to selected deuterium lamp size and set
Meter, described many aliform shells adopt metal material, described many aliform shells to be close to deuterium lamp glass outer surface, reserve temperature control and visit
Head position, in the light source transmitting terminal perforate of deuterium lamp, and is furnished with diaphragm screw thread, lens draw-in groove, and diaphragm screw thread is used to place diaphragm, thoroughly
Mirror draw-in groove is used for the collimating lens for placing deuterium lamp, reserves photoelectric probe position, and described temperature-controlled fan is used for the temperature for controlling deuterium lamp
Degree carries out the regulation of rotation speed of the fan by the temperature sensor installed in many aliform inside the shells in optimum working temperature, realizes
The operating temperature of deuterium lamp is stable, and described coupled lens are used to collimate, and is converging or diverging with the emergent light of deuterium lamp light source, and diaphragm can use
In the output for adjusting light intensity.
Further, described photoelectric probe is used for the radiant intensity for monitoring deuterium lamp light source, and light source is sent by photoelectric probe
Optical signal be converted into the signal of telecommunication, transmit to computer or single-chip microcomputer and shown and controlled, the radiation of deuterium lamp can be monitored
Intensity, stability and life information parameter.
Further, described diaphragm is used for the output for adjusting or stablizing light intensity, can pass through what photoelectric probe be obtained
The radiant intensity information of deuterium lamp light source, by micromachine automatic fine tuning diaphragm size, controls the output of light intensity；Add corresponding
Programmed algorithm, can be reduced caused by being changed due to light source itself radiation light intensity by continuous control of the micromachine to diaphragm
The change of output intensity, improves the stability of deuterium lamp light source output light intensity.
Advantages of the present invention and good effect：
1. control deuterium lamp and be operated in optimum temperature range region, improve the life-span of deuterium lamp, reduce use cost.
2. the temperature of deuterium lamp light source is controlled improving the spectrum stability of deuterium lamp, especially in the environment of temperature change more
Substantially.
3. reliable and stable mechanical interface and electronics Interface design, it is more square when can use on instrument or when changing
Just, it is not necessary to especially adjust.
4. coupled lens draw-in groove and diaphragm draw-in groove are reserved, and convenient addition lens improve integrated level.
5. the position of photodiode is reserved, photodiode can be installed as needed, for real-time monitoring spectral intensity,
And aperture stop size is adjusted by motor, control light source intensity is stably exported.
Description of the drawings
Fig. 1 is a kind of structure chart of many fin deuterium lamp ultraviolet sources of the present invention, wherein, 1 is deuterium lamp, and 2 is many aliform shells,
3 is temperature-controlled fan, and 4 is diaphragm, and 5 is photoelectric probe, and 6 is coupled lens；
Fig. 2 is a kind of simulation drawing of many fin deuterium lamp ultraviolet sources of the present invention；
Fig. 3 is that hamamatsu companies of Japan produce L2D2-4000-6565 deuterium lamp schematic diagrams；
Fig. 4 is heatsink temperature and deuterium lamp glass shell temperature test figure.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment further illustrates the present invention.
A kind of many fin deuterium lamp ultraviolet sources of the present invention, including deuterium lamp 1, many aliform shells 2, temperature-controlled fan 3, diaphragm 4, light
Electric probe 5 and coupled lens 6.The thermaltransmission mode of conduction is coordinated using diffusion, dissipating for deuterium lamp 1 is realized by air blast cooling
Heat, the operating temperature using many aliform shells 2 and the control deuterium lamp 1 of temperature-controlled fan 3 are stable to optimum temperature range, so as to improve deuterium
The life-span of lamp 1 and light source stability.Reliable and stable mechanical interface and electronics Interface design, facilitate the use of deuterium lamp 1, and
When changing deuterium lamp 1, simple and fast, without the need for especially adjusting.Coupled lens 6, diaphragm 4 and photoelectric probe 5 can also improve deuterium lamp light source
Integrated level and autgmentability.Described many aliform shells 2 are processed design, described many wings according to selected deuterium lamp size
Shape shell 2 adopts metal material, described many aliform shells 2 to be close to deuterium lamp glass outer surface, reserves temperature probe position, in deuterium
The light source transmitting terminal perforate of lamp, and it is furnished with lens draw-in groove, diaphragm screw thread, lens draw-in groove is used for the collimating lens for placing deuterium lamp 1, light
Late screw thread is used to place diaphragm 4, reserves 5 position of photoelectric probe.Described temperature-controlled fan 3 is used to control the temperature of deuterium lamp 1 and is in
Optimum working temperature, carries out the regulation of rotation speed of the fan by the temperature sensor in many aliform shells 2, realizes deuterium lamp 1
Operating temperature it is stable.Described coupled lens 6 are used to collimate, and are converging or diverging with the emergent light of deuterium lamp light source, and diaphragm 4 can be used for
Adjust the output of light intensity.Described photoelectric probe 5 is used for the radiant intensity for monitoring deuterium lamp light source, and light source is sent by photoelectric probe 5
Optical signal be converted into the signal of telecommunication, transmit to computer or single-chip microcomputer etc. and shown and analyzed, the light of deuterium lamp can be monitored
The informations parameter such as strong signal, stability and life-span.
Described many aliform shells 2 are processed design according to selected deuterium lamp size, and metal material is close to deuterium lamp glass
Glass outer surface, reserves temperature probe position, in the light source transmitting terminal perforate of deuterium lamp, and is furnished with lens draw-in groove, diaphragm screw thread, reserves
5 position of photoelectric probe.
Described temperature-controlled fan 3 is used for the temperature for controlling deuterium lamp 1 in optimum working temperature, by outside many aliforms
Temperature sensor in shell 2 carries out the regulation of rotation speed of the fan, realizes that the operating temperature of deuterium lamp 1 is stable, improves the life-span and light source is steady
It is qualitative.
Described coupled lens 6 are used to collimate, and are converging or diverging with the emergent light of deuterium lamp light source, can be according to different assembling deuteriums
The needs of lamp or practical use, change different lens.
Described photoelectric probe 5 is used for the radiant intensity for monitoring deuterium lamp light source, the optical signal that light source is sent by photoelectric probe 5
The signal of telecommunication is converted into, is transmitted to computer or single-chip microcomputer etc. and is shown and controlled, the radiant intensity of deuterium lamp 1 can be monitored,
The information parameter such as stability and life-span.
Described diaphragm 4 is used for the output for adjusting or stablizing light intensity, can pass through the deuterium lamp light source that photoelectric probe 5 be obtained
Radiant intensity information, by micromachine automatic fine tuning diaphragm size, control the output of light intensity；Corresponding program is added to calculate
Method, can reduce output light caused by changing due to light source itself radiation light intensity by continuous control of the micromachine to diaphragm
Strong change, improves the stability of deuterium lamp light source output light intensity.
L2D2-4000-6565 deuterium lamps are produced as representative with Japanese hamamatsu companies, as shown in figure 3, going out in finished product lamp
During factory, be made up of exposed glass shell, base and a connecting line etc., the outer hull specification of many aliforms of design as shown in figure 1,
Schematic diagram is as shown in Figure 2.
A kind of many fin deuterium lamp ultraviolet sources of the present invention are tested, respectively the glass at radiator shell with xenon lamp
Temperature sensor is placed at shell to detect final design effect.
Deuterium lamp works 30 minutes after entering steady statue later, in the case where ambient temperature is 10～30 DEG C of changes, surveys
The maximum temperature for obtaining shell is 61.4 DEG C, and minimum temperature is 41.4 DEG C.At corresponding glass shell temperature be respectively 295.6 DEG C with
275.6℃.Open fan cooling after (40 ± 1 DEG C of temperature controlling range), at radiator shell temperature 38 DEG C with 42 DEG C it
Between change, at glass shell, temperature fluctuates between 272.3 DEG C and 278.5 DEG C.
Find through long-term test, of the invention after more than one times of time of nominal life, the energy still more than 60%
Amount output.Test result indicate that, after this kind of design, the reliability and stability of deuterium lamp are greatly improved, the life-span
Have and dramatically increase.
Claims (3)
1. a kind of many fin deuterium lamp ultraviolet sources, it is characterised in that：Including deuterium lamp (1), many aliform shells (2), temperature-controlled fan
(3), diaphragm (4), photoelectric probe (5) and coupled lens (6), described many aliform shells (2) are according to selected deuterium lamp (1) chi
Little progress row fabrication design, described many aliform shells (2) adopt metal material, described many aliform shells (2) to be close to deuterium lamp (1)
Glass outer surface, reserves temperature probe position, in the light source transmitting terminal perforate of deuterium lamp (1), and is furnished with diaphragm screw thread, lens card
Groove, diaphragm screw thread are used to place diaphragm (4), and lens draw-in groove is used for the collimating lens for placing deuterium lamp (1), reserves photoelectric probe (5)
Position, described temperature-controlled fan (3) for controlling the temperature of deuterium lamp (1) in optimum working temperature, by installed in many aliforms
Temperature sensor in shell (2) carries out the regulation of rotation speed of the fan, realizes stable, the described coupling of the operating temperature of deuterium lamp (1)
Lens (6) are converging or diverging with the emergent light of deuterium lamp (1) light source for collimating, and diaphragm (4) can be used for the output for adjusting light intensity.
2. a kind of many fin deuterium lamp ultraviolet sources according to claim 1, it is characterised in that：Described photoelectric probe (5)
For monitoring the radiant intensity of deuterium lamp light source, the optical signal that light source sends is converted into the signal of telecommunication, is transmitted to meter by photoelectric probe (5)
Calculation machine or single-chip microcomputer shown and controlled, and can monitor the radiant intensity of deuterium lamp (1), stability and life information parameter.
3. a kind of many fin deuterium lamp ultraviolet sources according to claim 1, it is characterised in that：Described diaphragm (4) is used for
The output of light intensity is adjusted or stablized, the radiant intensity information of deuterium lamp (1) light source that photoelectric probe (5) be obtained can be passed through, led to
Micromachine automatic fine tuning diaphragm size is crossed, the output of light intensity is controlled；Corresponding program algorithm is added, micromachine pair can be passed through
The continuous control of diaphragm (4), reduces and radiates the change of output intensity caused by light intensity changes due to light source itself, improve deuterium lamp
(1) stability of light source output light intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121877.1A CN106525234A (en) | 2016-12-08 | 2016-12-08 | Multi-wing shaped deuterium lamp UV light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121877.1A CN106525234A (en) | 2016-12-08 | 2016-12-08 | Multi-wing shaped deuterium lamp UV light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106525234A true CN106525234A (en) | 2017-03-22 |
Family
ID=58342225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121877.1A Pending CN106525234A (en) | 2016-12-08 | 2016-12-08 | Multi-wing shaped deuterium lamp UV light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106525234A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340592A (en) * | 2018-09-05 | 2019-02-15 | 江西欧迪伦光电有限公司 | A kind of UV point light source |
| CN109342804A (en) * | 2018-10-10 | 2019-02-15 | 武汉锐科光纤激光技术股份有限公司 | A kind of photodiode monitoring and protecting device |
| CN112577901A (en) * | 2020-12-24 | 2021-03-30 | 中节能天融科技有限公司 | Be used for sulfur dioxide analysis appearance to stabilize light source device |
| CN116242481A (en) * | 2023-05-12 | 2023-06-09 | 中国计量科学研究院 | Deuterium lamp light source system and calibration method |
| CN117580214A (en) * | 2023-12-08 | 2024-02-20 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet light source system with thermal control and nondestructive optical power detection functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340592A (en) * | 2018-09-05 | 2019-02-15 | 江西欧迪伦光电有限公司 | A kind of UV point light source |
| CN109342804A (en) * | 2018-10-10 | 2019-02-15 | 武汉锐科光纤激光技术股份有限公司 | A kind of photodiode monitoring and protecting device |
| CN112577901A (en) * | 2020-12-24 | 2021-03-30 | 中节能天融科技有限公司 | Be used for sulfur dioxide analysis appearance to stabilize light source device |
| CN112577901B (en) * | 2020-12-24 | 2023-07-11 | 中节能天融科技有限公司 | Stable light source device for sulfur dioxide analyzer |
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| CN117580214A (en) * | 2023-12-08 | 2024-02-20 | 中国科学院长春光学精密机械与物理研究所 | Ultraviolet light source system with thermal control and nondestructive optical power detection functions |
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Application publication date: 20170322 |