CN102590133B - Online monitoring instrument - Google Patents
Online monitoring instrument Download PDFInfo
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- CN102590133B CN102590133B CN2012100511258A CN201210051125A CN102590133B CN 102590133 B CN102590133 B CN 102590133B CN 2012100511258 A CN2012100511258 A CN 2012100511258A CN 201210051125 A CN201210051125 A CN 201210051125A CN 102590133 B CN102590133 B CN 102590133B
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- line monitoring
- monitoring instrument
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- infrared light
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Abstract
The invention relates to an online monitoring instrument, which is used for the online monitoring of air quality, and comprises an infrared light source. The infrared light source comprises a silicon-carbon rod, wherein the silicon-carbon rod comprises two electrodes, and the two electrodes are used for the silicon-carbon rod to access a closed loop of a power supply. The silicon-carbon rod is used as a radiation light source, the silicon-carbon rod has a small resistance value; and the silicon-carbon rod has a function similar to the blackbody radiation under the electrified normal working situation, and the radiation power density is large, so the monitoring precision of the online monitoring instrument can be improved. At the same time, raw materials for producing the online monitoring instrument are inexpensive and are simple to process and mold, so the cost is low, and the online monitoring instrument is easy to popularize.
Description
[technical field]
The present invention relates to the air quality monitoring field, particularly relate to a kind of instrument of the on-line monitoring for air quality monitoring.
[background technology]
Environmental pollution has become the significant problem of world's common concern.Along with the development of industrial economy, air-polluting increases the weight of, and the ambient air quality monitoring becomes world today's very difficult task.Air quality monitoring needs accurate, stable monitoring instrument, to meet the needs of modern environment monitoring development.
Undispersed infrared method on-line monitoring instrument becomes the main method of the gas-monitorings such as current CO in Air, carbon dioxide and sulphuric dioxide with its high accuracy and sensitivity, and infrared light supply is one of core parts of undispersed infrared method on-line monitoring instrument, the quality of its performance directly has influence on the serviceability of whole instrument.With regard to the traditional infrared light supply used with regard to undispersed infrared method on-line monitoring instrument, external infrared light supply is expensive, improved the cost of on-line monitoring instrument, the infrared light supply power density that sell home market is less than normal, certainly will affect the monitoring accuracy of on-line monitoring instrument.As strong in the infrared Absorption ability in 4.5～5 microns districts to wavelength as carbon monoxide, but the infrared light supply that sell home market is a little less than 4.5～5 micron wave length district radiation, just can affect the monitoring accuracy of carbon monoxide.
In addition, due to traditional infrared light supply wave spectrum narrow distribution, when carrying out the gas with various monitoring, need to change infrared light supply or monitoring instrument, reduce the cost performance of detecting instrument.As the wave spectrum of the infrared light supply of carbon monoxide on-line monitoring instrument is distributed in 4.5～5 micron wave length districts, there is the sulphuric dioxide of stronger receptivity for the infrared light in 6.82～9 microns districts so and monitoring that the infrared light that is 2.7 microns, 4.26 microns, 14.5 microns to wavelength has a carbon dioxide of stronger receptivity just needs to change infrared light supply or monitoring instrument.
[summary of the invention]
The problem that on-line monitoring instrument cost is high and accuracy of detection is lower based on traditional, be necessary to provide the on-line monitoring that a kind of price is low, accuracy of detection is higher instrument.
A kind of on-line monitoring instrument, the on-line monitoring for air quality, comprise infrared light supply, it is characterized in that, described infrared light supply comprises Elema, and described Elema comprises two electrodes, and described two electrodes are for the closed-loop path by described Elema access power supply.
In a preferred embodiment, described Elema is formed by aluminium silicon carbide, silicon nitride and molybdenum disilicide mixed sintering.
In a preferred embodiment, in described Elema, the mass ratio of aluminium silicon carbide, silicon nitride and molybdenum disilicide is 1: 2: 1.
In a preferred embodiment, described Elema is cylinder, and the end face that the side opening of described Elema cylinder is provided with from cylinder one end starts along the axially extended otch of cylinder, and described two electrodes are arranged at described end face and are separated in the both sides of described otch.
In a preferred embodiment, described two electrodes are connected with wire, and described Elema arranges the fixing pottery of an end of electrode, and described wire is connected with described two electrodes through described pottery.
In a preferred embodiment, described pottery is aluminium oxide ceramics.
In a preferred embodiment, described on-line monitoring instrument is for the on-line monitoring of CO gas.
In a preferred embodiment, described on-line monitoring instrument is also for the on-line monitoring of sulphuric dioxide or carbon dioxide.
Above-mentioned on-line monitoring instrument, adopt Elema as radiating light source, and the Elema resistance is little, under the energising normal operation, and the Proximate blackbody radiation, radiosity is large, contributes to improve the monitoring accuracy of on-line monitoring instrument.Simultaneously, make raw material cheap, machine-shaping is simple, so cost is lower, is easy to popularize.
[accompanying drawing explanation]
The structural drawing of the infrared light supply that Fig. 1 is preferred embodiment of the present invention;
Wherein, 100-infrared light supply; The 110-Elema; The 120-pottery; The 130-wire; The 112-otch.
[embodiment]
High in order to solve traditional on-line monitoring instrument cost, and the lower problem of accuracy of detection, the on-line monitoring that a kind of price is low, accuracy of detection is higher instrument is provided.
As shown in Figure 1, the on-line monitoring instrument of preferred embodiment of the present invention, for the on-line monitoring of air quality.This on-line monitoring instrument comprises infrared light supply 100.Infrared light supply 100 comprises Elema 110.Elema 110 comprises two electrodes, and two electrodes are for the closed-loop path by Elema 110 access power supplies.
Above-mentioned on-line monitoring instrument, adopt Elema 110 as radiating light source, and Elema 110 resistances are little, under the energising normal operation, and the Proximate blackbody radiation, radiosity is large, contributes to improve the monitoring accuracy of on-line monitoring instrument.Simultaneously, make raw material cheap, machine-shaping is simple, so cost is lower, is easy to popularize.
In the present embodiment, Elema 110 is formed by aluminium silicon carbide, silicon nitride and molybdenum disilicide mixed sintering.Wherein, aluminium silicon carbide, silicon nitride and molybdenum disilicide mass ratio are 1: 2: 1.Elema 110 surfaces at high temperature can generate fine and close silicon oxide film, have stoped the lasting oxidation of inner layer material and aging, have improved light source stability, have effectively extended light source serviceable life.The Elema light source formed by aluminium silicon carbide, silicon nitride and molybdenum disilicide mixed sintering, than common silit light source under normal temperature and high temperature intensity and hardness all large, thermal expansivity is less, be difficult for to produce thermal stress and deformation, longer service life.
In the present embodiment, Elema 110 is cylinder, and the end face that the side opening of Elema 110 cylinders is provided with from cylinder one end starts along the axially extended otch 112 of cylinder.Two electrodes are arranged on this end face and are separated in the both sides of otch 112.Otch 112 starts to extend to the other end and keeps the other end not to be cut off from the end face of an end of Elema 110.Under duty, the electric current of power supply enters Elema 110 from an electrode, and this electrode place end flows to the other end of Elema 110 certainly, then flows to another electrode of the electrode place end of Elema 110 from the other end, returns to power supply, forms closed-loop path.The setting of otch 112, effectively increased the radiating surface of infrared light supply 100.
In the present embodiment, two electrodes are connected with wire 130.Wire 130 adopts high temperature resistant line, during use, by these high temperature resistant line access feed circuit, gets final product.Elema 110 arranges the fixing pottery 120 of an end of electrode, and wire 130 is connected with two electrodes through pottery 120.Pottery 120 is fixing with Elema 110, forms integral body, so that the installation and removal of infrared light supply 100.
In the present embodiment, pottery 120 is aluminium oxide ceramics.Aluminium oxide ceramics has excellent electrical property, thermal behavior and mechanical property, High anti bending strength, and thermal expansivity is little, and dielectric strength is large.
In the present embodiment, the on-line monitoring instrument is for the on-line monitoring of CO gas.The employing Elema 110 of this on-line monitoring instrument is as radiating light source, strong in 4.5～5 micron wave length district radiation, and carbon monoxide is strong in the infrared Absorption ability in 4.5～5 microns districts to wavelength, is conducive to improve the monitoring accuracy of carbon monoxide.
In one embodiment, the on-line monitoring instrument is for the on-line monitoring of sulphuric dioxide or carbon dioxide.The employing Elema 110 of this on-line monitoring instrument is as radiating light source, the infrared radiation wave spectrum of infrared light supply 100 distributes wide, cover 2～20 micron wave length districts, can apply to the monitoring of the gases such as sulphuric dioxide (for the infrared light in 6.82～9 microns districts, thering is stronger receptivity) or carbon dioxide (infrared light that is 2.7 microns, 4.26 microns, 14.5 microns to wavelength has stronger receptivity).Without changing infrared light supply or monitoring instrument, improved the cost performance of on-line monitoring instrument when carrying out the gas with various monitoring.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an on-line monitoring instrument, the on-line monitoring for air quality, comprise infrared light supply, it is characterized in that, described infrared light supply comprises Elema, and described Elema comprises two electrodes, and described two electrodes are for the closed-loop path by described Elema access power supply; Described Elema is formed by aluminium silicon carbide, silicon nitride and molybdenum disilicide mixed sintering.
2. on-line monitoring instrument according to claim 1, is characterized in that, in described Elema, the mass ratio of aluminium silicon carbide, silicon nitride and molybdenum disilicide is 1:2:1.
3. on-line monitoring instrument according to claim 1, it is characterized in that, described Elema is cylinder, and the end face that the side opening of described Elema cylinder is provided with from cylinder one end starts along the axially extended otch of cylinder, and described two electrodes are arranged at described end face and are separated in the both sides of described otch.
4. on-line monitoring instrument according to claim 3, is characterized in that, described two electrodes are connected with wire, and described Elema arranges the fixing pottery of an end of electrode, and described wire is connected with described two electrodes through described pottery.
5. on-line monitoring instrument according to claim 4, is characterized in that, described pottery is aluminium oxide ceramics.
6. according to the described on-line monitoring instrument of any one in claim 1 to 5, it is characterized in that, described on-line monitoring instrument is for the on-line monitoring of CO gas.
7. according to the described on-line monitoring instrument of any one in claim 1 to 5, it is characterized in that, described on-line monitoring instrument is for the on-line monitoring of sulphuric dioxide or carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100511258A CN102590133B (en) | 2012-03-01 | 2012-03-01 | Online monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100511258A CN102590133B (en) | 2012-03-01 | 2012-03-01 | Online monitoring instrument |
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| Publication Number | Publication Date |
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| CN102590133A CN102590133A (en) | 2012-07-18 |
| CN102590133B true CN102590133B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100511258A Expired - Fee Related CN102590133B (en) | 2012-03-01 | 2012-03-01 | Online monitoring instrument |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216108A (en) * | 1996-01-10 | 1999-05-05 | 恩格尔哈德传感器技术公司 | Passive infrared analysis gas sensors and applicable multichannel detector assemblies |
| CN1541317A (en) * | 2001-08-18 | 2004-10-27 | 圣戈本陶瓷及塑料股份有限公司 | Ceramic igniters with sealed electrical contact portion |
| CN1866027A (en) * | 2006-05-18 | 2006-11-22 | 南京卓成自动化设备有限公司 | Integrated gas online detector |
| CN1932479A (en) * | 2005-09-16 | 2007-03-21 | 沃尔克工业电子有限公司 | Gas measuring apparatus |
| CN101592779A (en) * | 2009-07-06 | 2009-12-02 | 中国科学院安徽光学精密机械研究所 | Infrared radiation light source system |
| CN102279165A (en) * | 2011-04-19 | 2011-12-14 | 珠海市中科信息技术开发有限公司 | Online tail gas monitoring system for motor vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3600658B2 (en) * | 1995-02-02 | 2004-12-15 | 株式会社デンソー | Ceramic heater and method of manufacturing the same |
| JP2001221689A (en) * | 2000-02-08 | 2001-08-17 | Yokogawa Electric Corp | Infrared light source and infrared gas analyzer |
-
2012
- 2012-03-01 CN CN2012100511258A patent/CN102590133B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216108A (en) * | 1996-01-10 | 1999-05-05 | 恩格尔哈德传感器技术公司 | Passive infrared analysis gas sensors and applicable multichannel detector assemblies |
| CN1541317A (en) * | 2001-08-18 | 2004-10-27 | 圣戈本陶瓷及塑料股份有限公司 | Ceramic igniters with sealed electrical contact portion |
| CN1932479A (en) * | 2005-09-16 | 2007-03-21 | 沃尔克工业电子有限公司 | Gas measuring apparatus |
| CN1866027A (en) * | 2006-05-18 | 2006-11-22 | 南京卓成自动化设备有限公司 | Integrated gas online detector |
| CN101592779A (en) * | 2009-07-06 | 2009-12-02 | 中国科学院安徽光学精密机械研究所 | Infrared radiation light source system |
| CN102279165A (en) * | 2011-04-19 | 2011-12-14 | 珠海市中科信息技术开发有限公司 | Online tail gas monitoring system for motor vehicle |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-221689A 2001.08.17 |
| JP特开平8-268760A 1996.10.15 |
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Owner name: SHENZHEN SAIBAOLUN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN SUPER BRAIN COMPUTER TECHNOLOGY CO.,LTD. |
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Address after: 518000 Guangdong City, Nanshan District province high incidence area of China Unicom Industrial Park, Tai Po, floor 602, 6 Patentee after: Shenzhen Saibaolun Technology Co., Ltd. Address before: 518057, Shenzhen, Guangdong province Nanshan District high tech community building, 6 floor West Patentee before: Shenzhen SuperBrain Computer Technology Co., Ltd. |
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Effective date of registration: 20171229 Address after: 010000 the Inner Mongolia Autonomous Region Hohhot economic and Technological Development Zone Funchal Qin industrial park open street shaerqing industrial district construction headquarters office building No. 0402-01 Patentee after: Inner Mongolia Saibao Lun Technology Co. Ltd. Address before: 518000 Guangdong City, Nanshan District province high incidence area of China Unicom Industrial Park, Tai Po, floor 602, 6 Patentee before: Shenzhen Saibaolun Technology Co., Ltd. |
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Granted publication date: 20131211 Termination date: 20200301 |
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