CN202974861U - Device for detecting gas humidity by using infrared light - Google Patents
Device for detecting gas humidity by using infrared light Download PDFInfo
- Publication number
- CN202974861U CN202974861U CN 201220735836 CN201220735836U CN202974861U CN 202974861 U CN202974861 U CN 202974861U CN 201220735836 CN201220735836 CN 201220735836 CN 201220735836 U CN201220735836 U CN 201220735836U CN 202974861 U CN202974861 U CN 202974861U
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- light pipe
- upper cover
- light
- hole
- infrared light
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Abstract
The utility model discloses a device for detecting gas humidity by using infrared light, which comprises an upper cover, a lower cover and a control device, wherein the lower part of the upper cover is provided with a hole I, the upper part of the upper cover is provided with a hole II, the upper cover and the lower cover are hermetically connected through a fastener, a cavity is formed by the insides of the upper cover and the lower cover, a light tube is arranged in the cavity, the two ends of the light tube are connected with an optical fiber, the optical fiber is connected with a control device, the light tube is hermetically connected with the upper cover, the light tube is provided with a plurality of holes III, and an emitter for emitting infrared light and a detector for receiving infrared light are arranged in the control device. A test gas enters the light tube through the hole II, and then moisture in the test gas absorbs light waves, thereby reducing the light intensity. According to the utility model, the variation of light intensity is obtained through the detection of the control device, and then the gas humidity is determined, the detection precision is high, and the measuring range is large; and the hole I and the hole II are respectively located in the lower right side and upper left side of the upper cover, so that a gas passage route is extended, thereby ensuring that the test gas fully enters the light tube and fully absorbs infrared light, and further improving the test accuracy. The device disclosed by the utility model is simple in structure and long in service life.
Description
Technical field
The utility model relates to a kind of device that detects gas humidity, is specifically related to a kind of device with the infrared light detection gas humidity.
Background technology
Moisture in gas humidity reflection gas, it is on the impact of our health, life, work our imagination head and shoulders above.People also more and more pay attention to the detection of gas humidity.The present domestic method that multiple detection gas humidity is arranged, as: dynamic method, static method, dew point method, dried wet method and various electronic sensor methods etc., these methods are often used in the larger gaseous environment of humidity, but their resolution is lower, and precision is lower.In addition, also have electrolytic sensors method, humidity sensor method etc., the electrolytic sensors method can only the very low gas humidity of measuring moisture, surveys just easy damage equipment of normal air, and measurement range is lower, and range is little.Humidity sensor method humidity-sensitive element resistance tocrocking used is poor, is placed in environment to be measured, and is very easily contaminated, less stable.Comprehensive Correlation, there is certain limitation in the existing method of testing of Present Domestic.
Summary of the invention
The utility model is exactly in order to solve the prior art above shortcomings, and a kind of device with the infrared light detection gas humidity is provided.Light pipe I, light pipe II are set in the chamber, have the test gas of certain humidity to enter light pipe, hydrone can absorb infrared light, hydrone is more, and the infrared light of absorption is also more, comes the determination test gas humidity according to the degree of infrared light decay, the method accuracy of detection is high, and range is large, long service life.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of device with the infrared light detection gas humidity, comprise upper cover, lower cover and control device, the upper cover bottom is provided with hole I, top is provided with hole II, upper cover and lower cover by securing member be tightly connected, the inner chamber that forms, be provided with light pipe in the chamber, light pipe two ends are connected with optical fiber, optical fiber is connected with control device, light pipe and upper cover are tightly connected, and light pipe is provided with some hole III, are provided with the transmitter of emission infrared light and the detector of reception infrared light in described control device.
Be provided with light pipe I and light pipe II in described chamber, light pipe I is connected by optical fiber II with light pipe II, and light pipe I and light pipe II are connected to control device by optical fiber I and optical fiber III respectively, and light pipe I and light pipe II and upper cover are tightly connected.
Described light pipe I and light pipe II are collimating apparatus.
Described upper cover and the lower cover place of being tightly connected are provided with fluid sealant or O-ring seal.
Described hole II is located at the upper left side of upper cover, and hole I is located at the lower right side of upper cover.
Described securing member is screw or bolt.
Principle of work of the present utility model: a kind of device with the infrared light detection gas humidity, it comprises upper cover, lower cover and control device, on be covered with hole I, hole II, upper cover and lower cover are connected to form the chamber by securing member, and seal with O-ring seal, the light pipe I that is placed in the chamber is connected by optical fiber II with light pipe II, light pipe I and light pipe II receive control device by optical fiber I and optical fiber III respectively, the part that light pipe I and light pipe II insert upper cover is sealed by encapsulant, light pipe I and light pipe II are provided with some hole III, and test gas can enter.Test gas is entered in the chamber by hole I, and enters light pipe I, light pipe II by some hole III.There is the test gas of certain humidity to enter light pipe, hydrone can absorb infrared light, and hydrone is more, and the infrared light of absorption is also more, come the determination test gas humidity according to the degree of infrared light decay, the utility model has been opened up the new method of using the infrared light detection gas humidity.The infrared light of emission imports light pipe into through optical fiber I in control device, and the light wave that the moisture absorption light pipe I in test gas and light pipe II are interior causes intensity variation, and the intensity variation that records according to control device is judged the humidity of test gas.
Advantage of the present utility model is: 1, according to intensity variation, and mensurated gas composition humidity, accuracy of detection is high, and range is large; 2, hole I, hole II lay respectively at lower right side and the upper left side of upper cover, extend the route that gas passes through, and warranty test gas fully enters light pipe, fully absorbs infrared light, further improves measuring accuracy.3, simple in structure, long service life.
Description of drawings
Fig. 1 is the structural drawing of the utility model embodiment;
Wherein, 1. control device, 2. optical fiber I, 3. encapsulant, 4. upper cover, 5. light pipe I, 6. hole III, 7. chamber, 8. hole I, 9. optical fiber II, 10. lower cover, 11. optical fiber III, 12. hole II, 13. light pipe II, 14. securing members, 15. O-ring seals.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment 1:
Device with the infrared light detection gas humidity, comprise upper cover 4, lower cover 10 and control device 1, upper cover 4 bottoms are provided with hole I8, top is provided with hole II12, upper cover 4 and lower cover 10 by securing member 14 be tightly connected, the inner chamber 7 that forms, be provided with light pipe in chamber 7, light pipe two ends are connected with optical fiber, optical fiber is connected with control device 1, light pipe and upper cover 4 are sealed and matched, and light pipe is provided with some hole III6, are provided with the transmitter of emission infrared light and the detector of reception infrared light in control device.Being provided with two light pipes in chamber 7 is light pipe I5 and light pipe II13, light pipe I5 is connected by optical fiber II9 with light pipe II13, light pipe I5 and light pipe II13 receive control device 1 by optical fiber I2 and optical fiber III11 respectively, light pipe I5 and light pipe II13 insert the coupling part of upper cover 4 by encapsulant 3 sealings, light pipe I5 and light pipe II13 are provided with some hole III6, and test gas can enter.
Test gas is entered in chamber 7 by hole I8, and enters light pipe I5, light pipe II13 by some hole III6, and the infrared light of control device 1 interior emission imports light pipe I5, optical fiber II9, light pipe II13 into through optical fiber I2, then imports control device 1 into by optical fiber III11.In conductive process, test gas absorbs the interior light wave of light pipe I5 and light pipe II13, causes intensity variation, and the intensity variation that records according to control device 1 is judged the humidity of test gas.
Embodiment 2:
On the basis of embodiment 1, be provided with 1 light pipe in chamber 7, control device 1 is received by optical fiber in light pipe two ends.Other do not repeat them here with reference to embodiment 1.
Embodiment 3:
According to actual needs, be provided with the light pipe of a plurality of series connection in chamber 7, the whole story, control device 1 was received by optical fiber in two ends.Other do not repeat them here with reference to embodiment 1.
Although above-mentionedly by reference to the accompanying drawings the embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (6)
1. device with the infrared light detection gas humidity, it is characterized in that, comprise upper cover, lower cover and control device, the upper cover bottom is provided with hole I, top is provided with hole II, upper cover and lower cover by securing member be tightly connected, the inner chamber that forms, be provided with light pipe in the chamber, the light pipe two ends are connected with optical fiber, and optical fiber is connected with control device, and light pipe and upper cover are tightly connected, light pipe is provided with some hole III, is provided with the transmitter of emission infrared light and the detector of reception infrared light in described control device.
2. a kind of device with the infrared light detection gas humidity as claimed in claim 1, it is characterized in that, be provided with light pipe I and light pipe II in described chamber, light pipe I is connected by optical fiber II with light pipe II, light pipe I and light pipe II are connected to control device by optical fiber I and optical fiber III respectively, and light pipe I and light pipe II and upper cover are tightly connected.
3. as claim 1 or 2 described a kind of devices with the infrared light detection gas humidity, it is characterized in that, described light pipe I and light pipe II are collimating apparatus.
4. as claim 1 or 2 described a kind of devices with infrared light detection gas humidities, it is characterized in that, described upper cover and the lower cover place of being tightly connected are provided with fluid sealant or O-ring seal.
5. a kind of device with the infrared light detection gas humidity as claimed in claim 1, is characterized in that, described hole II is located at the upper left side of upper cover, and hole I is located at the lower right side of upper cover.
6. as claim 1 or 2 described a kind of devices with the infrared light detection gas humidity, it is characterized in that, described securing member is screw or bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735836 CN202974861U (en) | 2012-12-27 | 2012-12-27 | Device for detecting gas humidity by using infrared light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735836 CN202974861U (en) | 2012-12-27 | 2012-12-27 | Device for detecting gas humidity by using infrared light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974861U true CN202974861U (en) | 2013-06-05 |
Family
ID=48515920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735836 Withdrawn - After Issue CN202974861U (en) | 2012-12-27 | 2012-12-27 | Device for detecting gas humidity by using infrared light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033487A (en) * | 2012-12-27 | 2013-04-10 | 济南兰光机电技术有限公司 | Device for detecting gas humidity with infrared light |
| CN105403513A (en) * | 2015-12-30 | 2016-03-16 | 深圳市绿恩环保技术有限公司 | On-line detection apparatus for iron in water |
-
2012
- 2012-12-27 CN CN 201220735836 patent/CN202974861U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033487A (en) * | 2012-12-27 | 2013-04-10 | 济南兰光机电技术有限公司 | Device for detecting gas humidity with infrared light |
| CN105403513A (en) * | 2015-12-30 | 2016-03-16 | 深圳市绿恩环保技术有限公司 | On-line detection apparatus for iron in water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20141015 |
|
| RGAV | Abandon patent right to avoid regrant |