CN210347430U - Gas detection equipment - Google Patents

Gas detection equipment Download PDF

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Publication number
CN210347430U
CN210347430U CN201920799689.7U CN201920799689U CN210347430U CN 210347430 U CN210347430 U CN 210347430U CN 201920799689 U CN201920799689 U CN 201920799689U CN 210347430 U CN210347430 U CN 210347430U
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China
Prior art keywords
cavity
gas detection
light
communicated
light source
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CN201920799689.7U
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Chinese (zh)
Inventor
李文忠
肖文华
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Zhejiang University Kunshan Innovation Institute
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Zhejiang University Kunshan Innovation Institute
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Abstract

The utility model discloses a gas detection device, which comprises a first cavity, a second cavity, a third cavity, a fourth cavity and a light source; an included angle is formed between the second cavity and the first cavity, and the first end of the second cavity is communicated with the first cavity; the third cavity and the second cavity are both positioned on the first side of the first cavity, the first end of the third cavity is communicated with the first cavity, and an included angle is formed between the third cavity and the second cavity; the fourth cavity is positioned on the second side of the first cavity, and the first end of the fourth cavity is communicated with the first cavity; the light source is arranged at the second end of the third cavity, one part of light beams emitted by the light source enters the fourth cavity, and the other part of light beams enters the second cavity. The utility model does not need to additionally design the light path and the gas circuit; the first cavity, the second cavity, the third cavity and the fourth cavity are all made of quartz, so that the cleaning is easy; in addition, the quartz material is heated uniformly, and the temperature is stable, so that the influence of the gas detection equipment on the measurement is small.

Description

Gas detection equipment
Technical Field
The utility model belongs to the technical field of gaseous detection, concretely relates to gaseous check out test set.
Background
At present, the chambers for measuring gas and dust in China are almost made of metal materials. However, the metal material has the following defects:
firstly, the structural design freedom of the metal cavity is not high, and the metal cavity is easily limited by a processing technology;
secondly, the metal cavity is easily polluted and difficult to clean;
thirdly, the chamber made of metal cannot meet the general requirements of various substances to be measured due to heating or the corrosion performance of the substances to be measured and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a gas detection device, which does not need to additionally design a light path and a gas path, adopts quartz as a gas chamber and is easier to clean; in addition, the quartz material is heated uniformly, the temperature is stable, and the influence on the measurement is small.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a gas detection device comprises a first cavity, a second cavity, a third cavity, a fourth cavity and a light source, wherein the first cavity, the second cavity, the third cavity and the fourth cavity are all made of quartz materials;
an included angle is formed between the second cavity and the first cavity, and the first end of the second cavity is communicated with the first cavity;
the third cavity and the second cavity are both positioned on the first side of the first cavity, the first end of the third cavity is communicated with the first cavity, and an included angle is formed between the third cavity and the second cavity;
the fourth cavity is positioned on a second side, opposite to the first side, of the first cavity, and a first end of the fourth cavity is communicated with the first cavity;
the light source is arranged at the second end of the third cavity, one part of light beams emitted by the light source enters the fourth cavity, and the other part of the light beams enters the second cavity.
As a further improvement of the present invention, the gas detection device further includes a light receiver, the light receiver is disposed at the second end of the second cavity for receiving the light signal.
As a further improvement of the present invention, the central axis of the third cavity coincides with that of the fourth cavity.
As a further improvement, the included angle between the third cavity and the second cavity is an obtuse angle.
As a further improvement of the present invention, the first cavity, the second cavity, the third cavity and the fourth cavity are linear cavities.
As a further improvement of the present invention, the second end of the fourth cavity is provided with an optical trap.
Compared with the prior art, the beneficial effects of the utility model are that:
the gas detection equipment of the utility model has high integration level, and does not need to additionally design a light path and a gas circuit; the first cavity, the second cavity, the third cavity and the fourth cavity are all made of quartz, so that the cleaning is easy; in addition, the quartz material is heated uniformly, and the temperature is stable, so that the gas detection equipment has small influence on measurement.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a gas detection device, which comprises a first cavity 1, a second cavity 2, a third cavity 3, a fourth cavity 4 and a light source, wherein the first cavity 1, the second cavity 2, the third cavity 3 and the fourth cavity 4 are all made of quartz materials;
an included angle is formed between the second cavity 2 and the first cavity 1, and the first end of the second cavity is communicated with the first cavity 1; in a preferred embodiment of the present invention, the included angle between the second cavity 2 and the first cavity 1 is an acute angle;
the third cavity 3 and the second cavity 2 are both positioned at the first side of the first cavity 1, the first ends of the third cavity and the second cavity are communicated with the first cavity 1, and an included angle is formed between the third cavity and the second cavity 2; in a preferred embodiment of the present invention, the included angle between the third cavity 3 and the second cavity 2 is an obtuse angle;
the fourth cavity 4 is positioned on a second side of the first cavity 1 opposite to the first side, a first end of the fourth cavity is communicated with the first cavity 1, and a second end of the fourth cavity is provided with an optical trap; preferably, the central axis of the fourth cavity 4 coincides with that of the third cavity 3, and the first cavity 1, the second cavity 2, the third cavity 3 and the fourth cavity 4 are all linear;
the light source (not shown) is arranged at the second end of the third cavity 3 and emits a light beam which partly enters the fourth cavity 4 and partly enters the second cavity 2.
Further, the gas detection device further comprises a light receiver (not shown in the figure), which is disposed at the second end of the second cavity 2 and connected to the light receiver, and is configured to receive a portion of the light beam entering the second cavity 2.
To sum up, the utility model discloses a theory of operation specifically does:
the utility model discloses a gas detection device, dust (or flue gas) enters into the measuring area from the inlet 101 of the first cavity 1, and leaves the measuring area through the outlet 102 of the first cavity 1; the light source is located the second end department of third cavity 3, sends out the light beam and gets into the measuring area, and partial light directly gets into to be located the light trap of fourth cavity 4 second end department and is absorbed, and other light beams are scattered by the inner wall of first cavity 1, and scattered light partly gets into in the second cavity 2 from the first end of second cavity 2, is located the light receiver of second cavity 2 second end and receives, and after being the signal of telecommunication with light signal conversion by light receiver, realize the measurement and analysis.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A gas detection apparatus, characterized by: the device comprises a first cavity, a second cavity, a third cavity, a fourth cavity and a light source, wherein the first cavity, the second cavity, the third cavity and the fourth cavity are all made of quartz materials;
an included angle is formed between the second cavity and the first cavity, and the first end of the second cavity is communicated with the first cavity;
the third cavity and the second cavity are both positioned on the first side of the first cavity, the first end of the third cavity is communicated with the first cavity, and an included angle is formed between the third cavity and the second cavity;
the fourth cavity is positioned on a second side, opposite to the first side, of the first cavity, and a first end of the fourth cavity is communicated with the first cavity;
the light source is arranged at the second end of the third cavity, one part of light beams emitted by the light source enters the fourth cavity, and the other part of the light beams enters the second cavity.
2. A gas detection apparatus according to claim 1, wherein: the gas detection equipment further comprises a light receiver, and the light receiver is arranged at the second end of the second cavity and is used for receiving light signals.
3. A gas detection apparatus according to claim 1, wherein: the central axes of the third cavity and the fourth cavity are overlapped.
4. A gas detection apparatus according to claim 1, wherein: and an included angle between the third cavity and the second cavity is an obtuse angle.
5. A gas detection apparatus according to claim 1, wherein: the first cavity, the second cavity, the third cavity and the fourth cavity are all linear.
6. A gas detection apparatus according to claim 1, wherein: and a light trap is arranged at the second end of the fourth cavity.
CN201920799689.7U 2019-05-30 2019-05-30 Gas detection equipment Active CN210347430U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920799689.7U CN210347430U (en) 2019-05-30 2019-05-30 Gas detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920799689.7U CN210347430U (en) 2019-05-30 2019-05-30 Gas detection equipment

Publications (1)

Publication Number Publication Date
CN210347430U true CN210347430U (en) 2020-04-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920799689.7U Active CN210347430U (en) 2019-05-30 2019-05-30 Gas detection equipment

Country Status (1)

Country Link
CN (1) CN210347430U (en)

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