CN103033487A - Device for detecting gas humidity with infrared light - Google Patents

Device for detecting gas humidity with infrared light Download PDF

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Publication number
CN103033487A
CN103033487A CN 201210580971 CN201210580971A CN103033487A CN 103033487 A CN103033487 A CN 103033487A CN 201210580971 CN201210580971 CN 201210580971 CN 201210580971 A CN201210580971 A CN 201210580971A CN 103033487 A CN103033487 A CN 103033487A
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light pipe
light
ii
infrared light
upper cover
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CN 201210580971
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Chinese (zh)
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CN103033487B (en )
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姜允中
王元明
刘思广
刘福彪
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济南兰光机电技术有限公司
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Abstract

The invention discloses a device for detecting gas humidity with infrared light. The device comprises an upper cover, a lower cover and a control device, wherein a hole I is formed at the lower part of the upper cover; a hole II is formed at the upper part of the upper cover; the upper cover is in sealing connection with the lower cover by fasteners; a cavity is formed in upper cover and the lower cover; light pipes are arranged in the cavity; the two ends of the light pipes are connected with optical fibers; the optical fibers are connected with the control device; the light pipes are in sealing connection with the upper cover; a plurality of holes III are formed in the light pipes; and the control device is internally provided with an emitter for emitting the infrared light and a detector for receiving the infrared light. Test gas enters the light pipes from the holes III; moisture in the test gas absorbs light wave; and the light intensity is reduced. The device measures the gas humidity according to light intensity variations detected by the control device; the detection precision is high; the measuring range is large; the hole I and the hole II are positioned on the lower right side and the upper left side of the upper cover respectively, so that a gas passing route is extended, the test gas can sufficiently enter the light pipes, the infrared light can be absorbed sufficiently, and the testing precision is improved; and the device is simple in structure and long in service life.

Description

用红外光检测气体湿度的装置 By means of infrared light detected air humidity

技术领域 FIELD

[0001] 本发明涉及一种检测气体湿度的装置,具体涉及一种用红外光检测气体湿度的装置。 [0001] The present invention relates to a device for detecting the humidity of a gas, in particular relates to a device for detecting infrared gas humidity.

背景技术 Background technique

[0002] 气体湿度反映气体中的水分含量,它对我们的健康、生活、工作的影响远远超出我们的想象。 [0002] Gas Humidity reflect the moisture content of the gas, its our health, affect living and working far beyond our imagination. 人们也越来越重视气体湿度的检测。 There is growing emphasis on detection of gas humidity. 目前国内有多种检测气体湿度的方法,如:动态法、静态法、露点法、干湿法及各种电子传感器法等,这些方法往往在湿度较大的气体环境中应用,但它们的分辨率较低,精度较低。 Currently there are a variety of detection methods humidity of gas, such as: dynamic method, a static method, the dew point method, dry-wet process method, and various electronic sensors, these methods often high humidity atmosphere in the application, but their resolution a lower rate, less accurate. 此外,还有电解传感器法、湿度传感器法等,电解传感器法只能测湿度很低的气体湿度,测普通空气就容易损坏设备,测量范围较低,量程小。 In addition, electrolytic sensor method, a humidity sensor method, electrolytic sensor method can only measure low humidity air humidity, the air is easy to damage the ordinary measurement equipment, the lower measuring range, small range. 湿度传感器法所用的湿敏元件抗污染性差,置于待测环境中,极易被污染,稳定性较差。 A humidity sensor humidity sensor used in the method of stain resistance difference, is placed in the test environment, it can easily be contaminated, poor stability. 综合对比,当前国内现有的测试方法存在一定的局限性。 Comprehensive comparison, there are some limitations of the current domestic existing test methods.

发明内容 SUMMARY

[0003] 本发明就是为了解决现有技术存在的上述不足,提供了一种用红外光检测气体湿度的装置。 [0003] The present invention to solve the above shortcomings of the prior art, there is provided an apparatus for detecting infrared light gas humidity. 腔内设置光管1、光管II,有一定湿度的试验气体进入光管,水分子会吸收红外光,水分子越多,吸收的红外光也越多,根据红外光衰减的程度来测定试验气体湿度,该方法检测精度高,量程大,使用寿命长。 Light pipe chamber 1 is provided, the light pipe II, in a humidified test gas enters the light pipe, the water molecules absorb infrared light, the more water molecules, absorption of infrared light is the more to assay according to the degree of attenuation of the infrared light the gas humidity, high detection accuracy of the process, large-scale, long service life.

[0004] 本发明的目的是采用下述技术方案实现的: [0004] The object of the present invention is implemented using the following technical scheme:

[0005] 一种用红外光检测气体湿度的装置,包括上盖、下盖和控制装置,上盖下部设有孔1、上部设有孔II,上盖与下盖通过紧固件密封连接、内部形成腔,腔内设有光管,光管两端与光纤连接,光纤与控制装置连接,光管与上盖密封连接,光管上设有若干孔III,所述控制装置内设有发射红外光的发射器和接收红外光的探测器。 [0005] An apparatus for detecting infrared light with a moisture gas, comprising an upper cover, the lower cover and the control means, a lower cover provided with a hole, is provided with an upper aperture II, the upper cover and the lower cover with fasteners sealed connection, a cavity formed therein, the cavity is provided with a light pipe, the light pipe at both ends of the optical connector, the optical fiber is connected to the control device, the light pipe and the upper lid sealed connection with a plurality of holes on the light pipe III, the emission control apparatus equipped with infrared light emitting and receiving infrared light detector.

[0006] 所述腔内设有光管I与光管II,光管I与光管11通过光纤II连接,光管I和光管II分别通过光纤I和光纤III连接到控制装置,光管I与光管II与上盖密封连接。 [0006] The light pipe is provided in the cavity I and II light pipe, the light pipe 11 the light pipe I and II are connected by optical fibers, light pipes light pipe I and II are connected to the control means by an optical fiber and an optical fiber I III, I light pipe connected to the cover and seal the light pipe II.

[0007] 所述光管I和光管II为准直器。 [0007] The light pipe I and II collimator light pipe.

[0008] 所述上盖与下盖密封连接处设有密封胶、或者密封圈。 [0008] The upper cover and the lower cover is provided with a sealing joint sealant, or ring.

[0009] 所述孔II设于上盖的左上侧,孔I设于上盖的右下侧。 [0009] II of the hole provided in the upper left side of the upper cover, the upper cover hole I provided at the lower right side.

[0010] 所述紧固件为螺钉、或者螺栓。 [0010] The fastener is a screw or a bolt.

[0011] 本发明的工作原理:一种用红外光检测气体湿度的装置,它包括上盖、下盖和控制装置,上盖设有孔1、孔II,上盖与下盖通过紧固件连接形成腔,并用密封圈密封,置于腔内的光管I与光管II通过光纤II连接,光管I和光管II分别通过光纤I和光纤III接到控制装置,光管I与光管II插入上盖的部分由密封材料密封,光管I与光管II上设有若干孔III,试验气体可进入。 [0011] The working principle of the present invention: one with infrared light detecting means of air humidity, which comprises an upper cover, lower cover and control means, the upper cover is provided with a hole, the hole II, the upper cover and the lower cover with fasteners joined to form a cavity, and a ring seal, placed in the cavity of the light pipe I and II are connected by an optical fiber light pipe II, the light pipe I and II, respectively, by an optical fiber light pipe I and III fibers to a control device, the light pipe and the light pipe I II insertion portion sealed by a sealing cover material, the light pipe is provided with a plurality of holes I and III on the light pipe II, the test gas may enter. 试验气体由孔I进入腔内,并由若干孔III进入光管1、光管II。 Test gas into the chamber from the aperture I, III by a plurality of holes into the light pipe 1, the light pipe II. 有一定湿度的试验气体进入光管,水分子会吸收红外光,水分子越多,吸收的红外光也越多,根据红外光衰减的程度来测定试验气体湿度,本发明开辟了应用红外光检测气体湿度的新方法。 In a humidified test gas enters the light pipe, the water molecules absorb infrared light, the more water molecules, the infrared light absorption of the more, determined test gas and humidity according to the degree of infrared light attenuation, the present invention opens the use of infrared light detector a new method of air humidity. 控制装置内发射的红外光经光纤I传入光管,试验气体内的水分吸收光管I与光管II内的光波,导致光强度变化,根据控制装置测得的光强度变化来判定试验气体的湿度。 Infrared light transmitted through the optical fiber means within the control I incoming light pipe, the water absorption in the test gas within the light pipe light waves light pipe I and II, resulting in changes in light intensity, to determine the test gas control apparatus according to the intensity variation of the measured humidity.

[0012] 本发明的优点为:1、根据光强度变化,测定气体湿度,检测精度高,量程大;2、孔1、孔II分别位于上盖的右下侧和左上侧,延长气体通过的路线,保证试验气体充分进入光管,充分吸收红外光,进一步提高测试精度。 [0012] The advantages of the present invention are: 1, according to changes in light intensity, measuring gas humidity, high precision, large span; 2, a hole, the hole at the lower right side and II respectively upper left side of the upper cover, the extension of the gas through the route, to ensure that sufficient test gas enters the light pipe, sufficiently absorb infrared light, to further improve the precision. 3、结构简单,使用寿命长。 3, simple structure, long service life.

附图说明 BRIEF DESCRIPTION

[0013] 图1是本发明实施方案的结构图; [0013] FIG. 1 is a configuration diagram of an embodiment of the present invention;

[0014] 其中,1.控制装置,2.光纤Ι,3·密封材料,4.上盖,5.光管Ι,6·孔ΙΙΙ,7.腔,8.孔Ι,9.光纤II,10.下盖,11.光纤III,12.孔II,13.光管II,14.紧固件,15.密封圈。 [0014] wherein a control device, 2 optical Ι, 3 · seal material 4 upper cover 5. The light pipe Ι, 6 · hole ΙΙΙ, 7. Chamber 8 aperture Ι, 9. II fibers, 10. the lower cover 11 optic III, 12. bore II, 13. light pipe II, 14. fastener 15 sealing ring.

具体实施方式 detailed description

[0015] 下面结合附图和实施例对本发明做进一步说明。 Drawings and embodiments of the present invention will be further described [0015] below in conjunction.

[0016] 实施例1 : [0016] Example 1:

[0017] 用红外光检测气体湿度的装置,包括上盖4、下盖10和控制装置1,上盖4下部设有孔18、上部设有孔1112,上盖4与下盖10通过紧固件14密封连接、内部形成腔7,腔7内设有光管,光管两端与光纤连接,光纤与控制装置I连接,光管与上盖4密封配合,光管上设有若干孔1116,控制装置内设有发射红外光的发射器和接收红外光的探测器。 [0017] The infrared light detecting means with the humidity of the gas, including an upper cover 4, the control device 10 and a lower cover, a lower cover 4 is provided with holes 18, provided with an upper hole 1112, upper cover 4 and lower cover 10 by fastening a sealing member 14 connecting the inner cavity 7 is formed, the chamber 7 equipped with a light pipe, the light pipe at both ends of the optical connector, the optical fiber is connected to the control device I, the light pipe sealing engagement with the upper lid 4, provided with a plurality of holes 1116 on the light pipe , the control device equipped with an infrared light emitting transmitter and a receiver of the infrared light detector. 腔7内设有两根光管即光管15与光管1113,光管15与光管1113通过光纤119连接,光管15和光管1113分别通过光纤12和光纤IIIll接到控制装置I,光管15与光管II13插入上盖4的连接部分由密封材料3密封,光管15与光管II13上设有若干孔II16,试验气体可进入。 Chamber 7 equipped with two light pipe 15 and light pipe i.e. 1113 light pipe, the light pipe 15 is connected to the light pipe 1113 through the optical fiber 119, the light pipe 15 and light pipe 1113 are connected to the control device and the optical fiber 12 by an optical fiber I IIIll, light tube 15 and is inserted into the light pipe II13 upper lid portion 4 are connected by a sealing a sealing material 3, the light pipe 15 is provided with a plurality of holes II16 and II13 light pipe, the test gas may enter.

[0018] 试验气体由孔18进入腔7内,并由若干孔ΙΙΙ6进入光管15、光管1113,控制装置I内发射的红外光经光纤12传入光管15、光纤119、光管1113,再由光纤IIIll传入控制装置I。 [0018] The test gas into the cavity 7 by the aperture 18 by a plurality of holes into the light pipe 15 ΙΙΙ6, light pipe 1113, the control of the infrared emission means via the optical fiber 12 pass I 15, the optical fiber 119 of the light pipe, the light pipe 1113 , then the incoming optical control means IIIll I. 传导过程中,试验气体吸收光管15与光管1113内的光波,引起光强度变化,根据控制装置I测得的光强度变化来判定试验气体的湿度。 Conducting the process, a test gas absorbing the light pipe light waves and light pipe 111,315, causing change in light intensity, humidity of the test gas is determined according to the variation in light intensity I measured in the control device.

[0019] 实施例2: [0019] Example 2:

[0020] 在实施例1的基础上,腔7内设有I个光管,光管两端通过光纤接到控制装置I。 [0020] In the embodiment 1 based on the I chamber 7 equipped with a light pipe, the light pipe through the fiber ends to the control means I. 其他参照实施例1,在此不再赘述。 Other Reference Example 1, are not repeated here.

[0021] 实施例3: [0021] Example 3:

[0022] 根据实际需要,腔7内设有多个串联的光管,始末两端通过光纤接到控制装置I。 [0022] According to actual needs, the chamber 7 equipped with a plurality of light tubes connected in series, the whole story to the control device via the optical fiber ends I. 其他参照实施例1,在此不再赘述。 Other Reference Example 1, are not repeated here.

[0023] 上述虽然结合附图对发明的具体实施方式进行了描述,但并非对本发明保护范围的限制,所属领域技术人员应该明白,在本发明的技术方案的基础上,本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。 [0023] The accompanying drawings, although specific embodiments of the invention have been described, but not limit the scope of the present invention, those skilled in the art should understand that, on the basis of the technical solution of the present invention, those skilled in the art without paying creative work to make various modifications or variations are still within the scope of the present invention.

Claims (6)

  1. 1. 一种用红外光检测气体湿度的装置,其特征是,包括上盖、下盖和控制装置,上盖下部设有孔1、上部设有孔II,上盖与下盖通过紧固件密封连接、内部形成腔,腔内设有光管,光管两端与光纤连接,光纤与控制装置连接,光管与上盖密封连接,光管上设有若干孔III,所述控制装置内设有发射红外光的发射器和接收红外光的探测器。 An infrared light detecting device with air humidity, which is characterized by comprising an upper cover, the lower cover and the control means, a lower cover provided with a hole, is provided with an upper aperture II, the upper cover and the lower cover with fasteners tight connection cavity formed therein, the cavity is provided with a light pipe, the light pipe at both ends of the optical connector, the optical fiber is connected to the control device, the light pipe and the upper lid sealed connection with a plurality of holes on the light pipe III, said control means detector transmitter is provided with an infrared light emitting and receiving infrared light.
  2. 2.如权利要求1所述的一种用红外光检测气体湿度的装置,其特征是,所述腔内设有光管I与光管II,光管I与光管II通过光纤II连接,光管I和光管II分别通过光纤I和光纤III连接到控制装置,光管I与光管II与上盖密封连接。 2. An use according to claim 1 infrared light detecting device of the air humidity, characterized in that said cavity is provided with light pipe I and II light pipe, the light pipe I and II are connected by fiber optic light pipe II, I light pipe and light pipe are connected to the control means II via an optical fiber and an optical fiber I III, and I the light pipe is connected to the light pipe II seal cover.
  3. 3.如权利要求1或者2所述的一种用红外光检测气体湿度的装置,其特征是,所述光管I和光管II为准直器。 According to one or claim 12 by means of infrared light detecting humidity of the gas, characterized in that the light pipe I and II collimator light pipe.
  4. 4.如权利要求1或者2所述的一种用红外光检测气体湿度的装置,其特征是,所述上盖与下盖密封连接处设有密封胶、或者密封圈。 4. An claim 1 or claim 2 by means of infrared light detecting humidity of the gas, characterized in that the upper cover and the lower cover is provided with a sealing joint sealant, or ring.
  5. 5.如权利要求1所述的一种用红外光检测气体湿度的装置,其特征是,所述孔II设于上盖的左上侧,孔I设于上盖的右下侧。 As claimed in one of the 1, with the infrared light detecting device according to air humidity, characterized in that the bore provided in the upper cover II upper left, upper cover hole I provided at a lower right side.
  6. 6.如权利要求1或者2所述的一种用红外光检测气体湿度的装置,其特征是,所述紧固件为螺钉、或者螺栓。 12 according to one or 6. The apparatus as claimed in claim infrared light detected by the humidity of the gas, characterized in that, said fastener is a screw or a bolt.
CN 201210580971 2012-12-27 2012-12-27 By means of infrared light detected air humidity CN103033487B (en)

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CN104345748A (en) * 2014-10-28 2015-02-11 佛山市禾才科技服务有限公司 Automatic granary humidity control device
CN104500428A (en) * 2014-10-28 2015-04-08 佛山市禾才科技服务有限公司 Centrifugal fan capable of automatically controlling humidity of granary

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Publication number Priority date Publication date Assignee Title
CN104345748A (en) * 2014-10-28 2015-02-11 佛山市禾才科技服务有限公司 Automatic granary humidity control device
CN104500428A (en) * 2014-10-28 2015-04-08 佛山市禾才科技服务有限公司 Centrifugal fan capable of automatically controlling humidity of granary

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