CN112577901B - Stable light source device for sulfur dioxide analyzer - Google Patents
Stable light source device for sulfur dioxide analyzer Download PDFInfo
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- CN112577901B CN112577901B CN202011548643.1A CN202011548643A CN112577901B CN 112577901 B CN112577901 B CN 112577901B CN 202011548643 A CN202011548643 A CN 202011548643A CN 112577901 B CN112577901 B CN 112577901B
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- lamp
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- clamp
- light source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a stable light source device for a sulfur dioxide analyzer, which relates to the technical field of analysis instruments and comprises a lamp barrel, wherein the lamp barrel is used for accommodating a zinc lamp, the upper end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cover, the lower end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cap, a lamp holder is arranged on one side of the lamp barrel, a lamp clamp is arranged on the other side of the lamp barrel, the lamp holder is detachably connected with the lamp clamp, the lamp holder and the lamp clamp are used for fixing the lamp barrel, a temperature control mechanism is arranged on the lamp barrel, and the temperature control mechanism is used for realizing temperature control and heat dissipation of the zinc lamp. The zinc lamp is installed safely and stably due to the fact that the two ends are fixed, the phenomenon of unstable light source intensity caused by unstable fixation of the zinc lamp is avoided, and therefore the stability of the light source is improved. The upper end and the lower end of the zinc lamp are in sealing connection, so that interference of external light is avoided, the zinc lamp can be effectively protected, and the zinc lamp is prevented from being broken due to external impact caused by partial exposure. The zinc lamp carries out temperature control heat dissipation through the temperature control mechanism, so that the problem of strong and weak floating of the light source caused by temperature drift is avoided.
Description
Technical Field
The invention relates to the technical field of analytical instruments, in particular to a stable light source device for a sulfur dioxide analyzer.
Background
The principle of the sulfur dioxide analyzer is that the zinc lamp emits ultraviolet light when working, the ultraviolet light is filtered into 214nm monochromatic light through the optical filter, and the monochromatic light enters the sulfur dioxide reaction chamber through the lens focusing. The sulfur dioxide in the sample gas absorbs ultraviolet light to generate energy level transition. When the excited state is changed from the ground state to the excited state, the excited state molecules emit fluorescence with a central wavelength of 330nm, and the intensity of the fluorescence at the detection side of the photomultiplier tube can be used for measuring the concentration of sulfur dioxide.
In the prior art, the zinc lamp is fixed at one end only, and the other end can shake under the influence of vibration or other external stress, so that the intensity of the light source is unstable; in the prior art, a zinc lamp is fixed on a zinc lamp holder by a zinc lamp clamp and foam, so that a zinc lamp glass tube is partially exposed, external light enters the zinc lamp tube, the external interference of a light source is caused, and meanwhile, the zinc lamp glass tube of the exposed part is easy to break under the collision of external force. In addition, the zinc lamp in the prior art has no temperature control, so that the intensity of a light source emitted by the zinc lamp in operation is changed due to the influence of the temperature of the light source, and the problem that the sulfur dioxide analyzer is uncontrollable in drift due to the influence of the working temperature factor of the zinc lamp is caused.
Disclosure of Invention
The invention aims to provide a stable light source device for a sulfur dioxide analyzer, which solves the problems in the prior art, ensures that both ends of a zinc lamp are fixed, and the zinc lamp is positioned in a lamp tube, so that the interference of the outside on the zinc lamp is avoided, and the problem of strong and weak floating of a light source caused by temperature drift is avoided.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a stable light source device for a sulfur dioxide analyzer, which comprises a lamp barrel, wherein the lamp barrel is used for placing a zinc lamp, the upper end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cover, the lower end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cap, a lamp holder is arranged on one side of the lamp barrel, a lamp clamp is arranged on the other side of the lamp barrel, the lamp holder is detachably connected with the lamp clamp, the lamp holder and the lamp clamp are used for fixing the lamp barrel, and a temperature control mechanism is arranged on the lamp barrel and used for realizing temperature control and heat dissipation of the zinc lamp.
Preferably, the temperature control mechanism comprises a heat conducting rubber pad arranged between the lamp tube and the zinc lamp.
Preferably, the lamp cover is detachably connected with the lamp cylinder through a bolt, and the upper end of the lamp cylinder is in sealing connection with the zinc lamp through a first sealing ring; the lower end of the lamp tube is connected with the lamp cap and the zinc lamp in a sealing way through a second sealing ring; the lower extreme of zinc lamp is located in the lamp cap, the zinc lamp with be provided with the third sealing washer between the lamp cap.
Preferably, the temperature control mechanism further comprises a temperature sensor arranged on the lamp clamp, the temperature sensor is arranged close to the lamp cylinder, the temperature sensor is detachably connected with the lamp clamp through a bolt, and the temperature sensor is in signal connection with the temperature control plate.
Preferably, the temperature control mechanism further comprises a heat dissipation structure arranged on the outer side of the lamp clamp, and the heat dissipation structure is detachably connected with the lamp clamp through bolts.
Preferably, the heat dissipation structure comprises a radiator and a fan, wherein the radiator is arranged outside the lamp clamp and is in contact with the lamp clamp, and the fan is arranged outside the radiator.
Preferably, the grating, the optical filter and the convex lens are sequentially arranged in the lamp holder along the direction far away from the zinc lamp.
Preferably, through holes are formed in positions, corresponding to the lamp holder and the lamp clamp, of the lamp barrel.
Preferably, a clamping ring is arranged at one end of the lamp holder, which is far away from the zinc lamp.
Compared with the prior art, the invention has the following technical effects:
the structure of the invention ensures that the installation of the zinc lamp is safer and more stable due to the fixation of the two ends of the structure, and avoids the phenomenon of unstable light source intensity caused by the unstable fixation of one end of the zinc lamp, thereby improving the stability of the light source. The upper end and the lower end of the zinc lamp are in sealing connection, so that interference of external light is avoided, the zinc lamp can be effectively protected, and the zinc lamp is prevented from being broken due to external impact caused by partial exposure. The zinc lamp carries out temperature control heat dissipation through the temperature control mechanism, stabilizes the light source, and avoids the problem of strong and weak floating of the light source caused by temperature drift.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an external schematic view of a stable light source device for a sulfur dioxide analyzer of the present invention;
FIG. 2 is a schematic view of the inside of a stable light source device for a sulfur dioxide analyzer according to the present invention;
FIG. 3 is a schematic view of a lamp cartridge and cap of the present invention;
wherein: 100-a stable light source device for a sulfur dioxide analyzer, 1-a lamp tube, 2-a zinc lamp, 3-a lamp cover, 4-a lamp cap, 5-a lamp holder, 6-a lamp clamp, 7-a heat conduction rubber pad, 8-a first sealing ring, 9-a second sealing ring, 10-a third sealing ring, 11-a temperature sensor, 12-a radiator, 13-a fan, 14-a grating, 15-an optical filter, 16-a convex lens, 17-a through hole and 18-a clamping ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the invention without any inventive effort, are intended to fall within the scope of the invention.
The invention aims to provide a stable light source device for a sulfur dioxide analyzer, which solves the problems in the prior art, ensures that both ends of a zinc lamp are fixed, and the zinc lamp is positioned in a lamp tube, so that the interference of the outside on the zinc lamp is avoided, and the problem of strong and weak floating of a light source caused by temperature drift is avoided.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-3: the embodiment provides a stable light source device 100 for sulfur dioxide analyzer, including lamp section of thick bamboo 1, lamp section of thick bamboo 1 is used for placing zinc lamp 2, lamp section of thick bamboo 1 is used for being connected with external power source through lamp lid 3 and lamp section of thick bamboo 1 fixed and sealing connection to the upper end of zinc lamp 2, lamp section of thick bamboo 1 is stretched out to the upper end of zinc lamp 2, lamp section of thick bamboo 2's lower extreme is fixed and sealing connection with lamp section of thick bamboo 1 through lamp cap 4, one side of lamp section of thick bamboo 1 is provided with lamp stand 5, the opposite side of lamp section of thick bamboo 1 is provided with lamp clamp 6, lamp stand 5 and lamp clamp 6 are through a plurality of bolts detachable connection, lamp stand 5 and lamp clamp 6 form the space that matches with lamp section of thick bamboo 1 appearance be used for fixed lamp section of thick bamboo 1, be provided with control by temperature change mechanism on the lamp section of thick bamboo 1, control by temperature change mechanism is used for realizing control and the heat dissipation of zinc lamp 2.
Specifically, in this embodiment, the lamp cover 3 is detachably connected with the lamp barrel 1 through a bolt, and the upper end of the lamp barrel 1 is hermetically connected with the zinc lamp 2 through the first sealing ring 8; the lower end of the lamp tube 1 is connected with the lamp cap 4 and the zinc lamp 2 in a sealing way through a second sealing ring 9; the lower extreme of zinc lamp 2 is located lamp cap 4, is provided with third sealing washer 10 between zinc lamp 2 and the lamp cap 4. The two ends are fixed, so that the zinc lamp 2 is installed more safely and stably, and the phenomenon of unstable light source intensity caused by unstable fixation of one end of the zinc lamp 2 is avoided, thereby improving the stability of the light source. The upper end and the lower extreme of the zinc lamp 2 realize sealing connection, avoid the interference of external light, simultaneously can effectively protect the zinc lamp 2, avoid the zinc lamp 2 to be cracked because of part is exposed to receive external impact.
In this embodiment, the first sealing ring 8, the second sealing ring 9 and the third sealing ring 10 are all O-shaped sealing rings.
In this embodiment, control by temperature change mechanism is including setting up the heat conduction cushion 7 between lamp section of thick bamboo 1 and zinc lamp 2, has accelerated the conduction of the unnecessary heat of zinc lamp 2, makes expensive zinc lamp 2 life can prolong, has avoided zinc lamp 2 heat backlog to lead to zinc lamp 2 high temperature, influences instrument precision and zinc lamp 2 life-span.
In this embodiment, the temperature control mechanism further includes a temperature sensor 11 disposed on the lamp holder 6, where the temperature sensor 11 is disposed near the lamp barrel 1, and the temperature sensor 11 is detachably connected with the lamp holder 6 through a bolt, and the temperature sensor 11 is in signal connection with the temperature control board, and the temperature sensor 11 in this embodiment is a PT100 temperature sensor.
In this embodiment, the temperature control mechanism further includes a heat dissipation structure disposed outside the lamp clip 6, and the heat dissipation structure is detachably connected with the lamp clip 6 through a bolt. The heat radiation structure includes a heat radiator 12 and a fan 13, the heat radiator 12 is disposed outside the lamp clip 6 and contacts the lamp clip 6, and the fan 13 is disposed outside the heat radiator 12. The heat sink 12 of the present embodiment is a pin-type heat sink, and has a large heat dissipation area.
The heat conduction of this embodiment heat conduction pad 7 carries out the control by temperature change heat dissipation for lamp section of thick bamboo 1 and radiator 12, this embodiment detects the temperature of zinc lamp 2 through temperature sensor 11, with temperature signal transmission for the control by temperature change board, the control by temperature change board judges whether to start fan 13 according to the temperature of detected zinc lamp 2, when the high temperature, fan 13 work, accelerate the heat dissipation, this embodiment is through the heat control mechanism that heat conduction cushion 7, temperature sensor 11 and heat radiation structure formed, the light source intensity that has sent when having avoided zinc lamp 2 to have not had the control by temperature change by oneself and the light source intensity that changes and cause the problem that the drift of sulphur dioxide analysis appearance along with zinc lamp 2 temperature caused, quantitative control zinc lamp 2 temperature, the stability of light source has been improved, the precision and the controllability of sulphur dioxide analysis appearance have been promoted.
In this embodiment, the grating 14, the optical filter 15 and the convex lens 16 are sequentially disposed in the lamp holder 5 along a direction away from the zinc lamp 2.
In this embodiment, through holes 17 are formed in the lamp tube 1 corresponding to the lamp base 5 and the lamp clip 6, and openings are formed in the positions of the heat conducting rubber pad 7 corresponding to the through holes 17.
In this embodiment, the end of the lamp holder 5 remote from the zinc lamp 2 is provided with a snap ring 18.
In this embodiment, the lamp cover 3, the lamp tube 1, the lamp cap 4, the lamp holder 5, the lamp clip 6, the needle-shaped radiator, the diaphragm and the clamp ring 18 are all made of aluminum alloy, so that heat conduction is accelerated.
According to the embodiment, the stability of the light source is improved, the interference of external light is avoided, the zinc lamp 2 can be effectively protected, the zinc lamp 2 is prevented from being broken due to the fact that part of the zinc lamp 2 is exposed and impacted by the external, the conduction of redundant heat of the zinc lamp 2 is accelerated, the service life of the expensive zinc lamp 2 is prolonged, the problem that the sulfur dioxide analyzer drifts along with the temperature of the zinc lamp 2 due to the fact that the light source intensity emitted by the zinc lamp 2 is changed due to the fact that the temperature of the light source is affected by the temperature of the light source is avoided, the temperature of the zinc lamp 2 is quantitatively controlled, the stability of the light source is improved, and the accuracy and the controllability of the sulfur dioxide analyzer are improved.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (4)
1. A be used for sulfur dioxide analysis appearance to stabilize light source device which characterized in that: the zinc lamp comprises a lamp barrel, wherein the lamp barrel is used for placing a zinc lamp, the upper end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cover, the lower end of the zinc lamp is fixedly and hermetically connected with the lamp barrel through a lamp cap, a lamp holder is arranged on one side of the lamp barrel, a lamp clamp is arranged on the other side of the lamp barrel, the lamp holder is detachably connected with the lamp clamp, the lamp holder and the lamp clamp are used for fixing the lamp barrel, a temperature control mechanism is arranged on the lamp barrel, and the temperature control mechanism is used for realizing temperature control and heat dissipation of the zinc lamp;
the temperature control mechanism comprises a heat conduction rubber pad arranged between the lamp tube and the zinc lamp; the temperature control mechanism further comprises a temperature sensor arranged on the lamp clamp, the temperature sensor is arranged close to the lamp cylinder and detachably connected with the lamp clamp through a bolt, and the temperature sensor is in signal connection with the temperature control plate;
the temperature control mechanism further comprises a heat dissipation structure arranged on the outer side of the lamp clamp, and the heat dissipation structure is detachably connected with the lamp clamp through bolts;
the lamp cover is detachably connected with the lamp barrel through bolts, and the upper end of the lamp barrel is connected with the zinc lamp in a sealing way through a first sealing ring; the lower end of the lamp tube is connected with the lamp cap and the zinc lamp in a sealing way through a second sealing ring; the lower end of the zinc lamp is positioned in the lamp cap, and a third sealing ring is arranged between the zinc lamp and the lamp cap;
the heat dissipation structure comprises a radiator and a fan, wherein the radiator is arranged outside the lamp clamp and is in contact with the lamp clamp, and the fan is arranged outside the radiator.
2. The stable light source device for sulfur dioxide analyzer according to claim 1, wherein: and a grating, an optical filter and a convex lens are sequentially arranged in the lamp holder along the direction away from the zinc lamp.
3. The stable light source device for sulfur dioxide analyzer according to claim 1, wherein: and through holes are formed in positions, corresponding to the lamp holder and the lamp clamp, of the lamp barrel.
4. The stable light source device for sulfur dioxide analyzer according to claim 1, wherein: one end of the lamp holder, which is far away from the zinc lamp, is provided with a clamping ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548643.1A CN112577901B (en) | 2020-12-24 | 2020-12-24 | Stable light source device for sulfur dioxide analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548643.1A CN112577901B (en) | 2020-12-24 | 2020-12-24 | Stable light source device for sulfur dioxide analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN112577901A CN112577901A (en) | 2021-03-30 |
| CN112577901B true CN112577901B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011548643.1A Active CN112577901B (en) | 2020-12-24 | 2020-12-24 | Stable light source device for sulfur dioxide analyzer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044020A (en) * | 2015-06-08 | 2015-11-11 | 浙江大学 | Portable near-infrared fruit internal quality detection device with adjustable light spots |
| CN105090836A (en) * | 2015-09-09 | 2015-11-25 | 赵银斌 | Multi-light-source mining explosive-proof roadway lamp |
| CN106525234A (en) * | 2016-12-08 | 2017-03-22 | 中国科学院合肥物质科学研究院 | Multi-wing shaped deuterium lamp UV light source |
| CN206583803U (en) * | 2017-03-03 | 2017-10-24 | 广州博鹭腾仪器仪表有限公司 | A kind of high sensitivity luminometer |
| CN208999310U (en) * | 2018-09-27 | 2019-06-18 | 中节能天融科技有限公司 | A kind of online sulfur dioxide gas detection device of modified |
-
2020
- 2020-12-24 CN CN202011548643.1A patent/CN112577901B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044020A (en) * | 2015-06-08 | 2015-11-11 | 浙江大学 | Portable near-infrared fruit internal quality detection device with adjustable light spots |
| CN105090836A (en) * | 2015-09-09 | 2015-11-25 | 赵银斌 | Multi-light-source mining explosive-proof roadway lamp |
| CN106525234A (en) * | 2016-12-08 | 2017-03-22 | 中国科学院合肥物质科学研究院 | Multi-wing shaped deuterium lamp UV light source |
| CN206583803U (en) * | 2017-03-03 | 2017-10-24 | 广州博鹭腾仪器仪表有限公司 | A kind of high sensitivity luminometer |
| CN208999310U (en) * | 2018-09-27 | 2019-06-18 | 中节能天融科技有限公司 | A kind of online sulfur dioxide gas detection device of modified |
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| CN112577901A (en) | 2021-03-30 |
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