In-situ gas detection device

Abstract

The invention discloses an in-situ gas detection device, which comprises a hair receiving box, a first connecting pipe, a first connecting piece, a first gas blowing pipe, a second connecting piece, a second connecting pipe, a first notch, a main gas pipe and a second notch, and is characterized in that the hair receiving box is fixedly connected to one end of the first connecting pipe, and the other end of the first connecting pipe is fixedly connected to the first connecting piece; the position of the reflection pyramid is adjusted, the reflected light is adjusted until the reflected light is irradiated on the receiving module, receiving detection is performed through the receiving module, the whole dimming process is completed on the same side, the dimming complexity is reduced, emission and receiving are performed on the same side, the optical path and the detection performance are doubled, and meanwhile the communication cost between modules is reduced; the module is isolated from the main air pipe through the first inclined isolation window and the second inclined isolation window, purging is continuously carried out through the first air blowing pipe and the second air blowing pipe, the module is prevented from being polluted by the main air pipe, and meanwhile normal reflection of reflected light is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of gas detection, and in particular to an in-situ gas detection device. Background Art

[0002] An in-situ gas detection device is a device specially designed for detecting gas components in situ where the gas is generated. In view of the real-time detection of process gas in industrial process gas pipelines and the requirements of on-site installation conditions, the solution of opening holes on both sides of the process pipeline and adding optical detection modules is generally adopted to realize the detection of the components to be tested. However, since the optical modules are placed on both sides of the process pipeline, the dimming complexity is relatively high, and the optical path and detection performance are limited, and the communication cost between modules is increased; secondly, the modules are easily contaminated by the main gas pipe, and it is necessary to ensure the normal reflection of the reflected light while avoiding the contamination of the modules; therefore, it is necessary to design an in-situ gas detection device to reduce the dimming complexity, increase the optical path and detection performance, reduce the communication cost between modules, and avoid the contamination of the modules by the main gas pipe while ensuring the normal reflection of the reflected light. Summary of the invention

[0003] The purpose of the present invention is to provide an in-situ gas detection device to solve the problems that the optical modules are placed on both sides of the process pipeline, the dimming complexity is high, the optical path and detection performance are limited, and the communication cost between modules is increased; secondly, the modules are easily contaminated by the main gas pipe, and it is necessary to ensure the normal reflection of the reflected light while avoiding the contamination of the modules.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: an in-situ gas detection device, comprising a receiving box, a first connecting pipe, a first connecting piece, a first air blowing pipe, a second connecting piece, a second connecting pipe, a first notch, a main air pipe, and a second notch, the receiving box is fixedly connected to one end of the first connecting pipe, the other end of the first connecting pipe is fixedly connected to the first connecting piece, the first connecting piece is fixedly connected to the first air blowing pipe, the first air blowing pipe is fixedly connected to the second connecting piece, the second connecting piece is fixedly connected with the second connecting pipe, the second connecting pipe is fixedly connected to the first notch, the first notch is opened on one side of the main air pipe, and the second notch is opened on the other side of the main air pipe.

[0005] As a further technical solution of the present invention, a third connecting pipe is fixedly connected to the second notch, and one end of the third connecting pipe is fixedly connected to the third connecting member.

[0006] As a further technical solution of the present invention, the third connecting member is fixedly connected to one end of the second air blowing pipe, and the other end of the second air blowing pipe is fixedly connected to the fourth connecting member.

[0007] As a further technical solution of the present invention, the fourth connecting member is fixedly connected to the fourth connecting tube, one end of the fourth connecting tube is fixedly connected to the reflection box, and a reflection angle cone is arranged in the reflection box.

[0008] As a further technical solution of the present invention, a transmitting module is provided in the receiving box, and a receiving module is provided in the receiving box.

[0009] As a further technical solution of the present invention, a first inclined isolation window is provided in the second connecting pipe.

[0010] As a further technical solution of the present invention, a second inclined isolation window is provided in the third connecting pipe.

[0011] The in-situ gas detection device provided by the present invention has the advantages that: by arranging a transmitting module and a receiving module in a receiving box, light is emitted by the transmitting module, a reflection angle cone is arranged in a reflection box, and the light emitted by the transmitting module is reflected by the reflection angle cone, and the position of the reflected light is adjusted by adjusting the position of the reflection angle cone until the reflected light hits the receiving module, and the receiving module performs reception detection, and the entire dimming process can be completed on the same side, reducing the complexity of dimming, and the same-side transmission and reception double the optical path and detection performance, while reducing the communication cost between modules; by arranging a first inclined isolation window and a second inclined isolation window in the second connecting pipe and the third connecting pipe respectively, the module is isolated from the main gas pipe, and the first inclined isolation window and the second inclined isolation window are ensured to be in an inclined state, and at the same time, by installing a first air blowing pipe in the first connecting member and the second connecting member, and installing a second air blowing pipe in the third connecting member and the fourth connecting member, the first air blowing pipe and the second air blowing pipe are continuously purged, thereby avoiding the module from being contaminated by the main gas pipe and ensuring the normal reflection of the reflected light. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2 is a schematic diagram of the position of the first notch in the present invention;

[0015] Figure 3 Schematic diagram of the position of the reflection angle cone in the present invention.

[0016] In the figure: 1. receiving box; 2. first connecting pipe; 3. first connecting piece; 4. first air blowing pipe; 5. second connecting piece; 6. second connecting pipe; 7. first notch; 8. main air pipe; 9. second notch; 10. third connecting pipe; 11. third connecting piece; 12. second air blowing pipe; 13. fourth connecting piece; 14. fourth connecting pipe; 15. reflection box; 16. reflection angle cone; 17. transmitting module; 18. receiving module; 19. first inclined isolation window; 20. second inclined isolation window. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] Please refer to the attached Figure 1 -Attached Figure 3An embodiment of the present invention is as follows: an in-situ gas detection device comprises a receiving box 1, a first connecting pipe 2, a first connecting piece 3, a first air blowing pipe 4, a second connecting piece 5, a second connecting pipe 6, a first notch 7, a main air pipe 8 and a second notch 9, the receiving box 1 is fixedly connected to one end of the first connecting pipe 2, the other end of the first connecting pipe 2 is fixedly connected to the first connecting piece 3, the first connecting piece 3 is fixedly connected to the first air blowing pipe 4, the first air blowing pipe 4 is fixedly connected to the second connecting piece 5, the second connecting piece 5 is fixedly connected with the second connecting pipe 6, the second connecting pipe 6 is fixedly connected to the first notch 7, the first notch 7 is opened on one side of the main air pipe 8, the other side of the main air pipe 8 is opened with a second notch 9, the second notch 9 is fixedly connected with the third connecting piece The connecting pipe 10, one end of the third connecting pipe 10 is fixedly connected to the third connecting member 11, the third connecting member 11 is fixedly connected to one end of the second blowing pipe 12, the other end of the second blowing pipe 12 is fixedly connected to the fourth connecting member 13, the fourth connecting member 13 is fixedly connected to the fourth connecting pipe 14, one end of the fourth connecting pipe 14 is fixedly connected to the reflecting box 15, the reflecting box 15 is provided with a reflecting angle cone 16, the receiving box 1 is provided with a transmitting module 17, the receiving box 1 is provided with a receiving module 18, the second connecting pipe 6 is provided with a first inclined isolation window 19, the first inclined isolation window 19 is used to isolate the pollution in the main air pipe 8, the third connecting pipe 10 is provided with a second inclined isolation window 20, the second inclined isolation window 20 is used to isolate the pollution in the main air pipe 8;

[0020] Working principle: First, a transmitting module 17 and a receiving module 18 are set in the receiving box 1, and light is emitted by the transmitting module 17. A reflection cone 16 is set in the reflecting box 15, and the light emitted by the transmitting module 17 is reflected by the reflection cone 16. By adjusting the position of the reflection cone 16, the position of the reflected light is adjusted until the reflected light hits the receiving module 18, and the receiving module 18 performs reception detection. The entire dimming process can be completed on the same side, reducing the complexity of dimming. The same-side transmission and reception doubles the optical path and detection performance, while reducing the distance between modules. Communication cost; by respectively setting the first inclined isolation window 19 and the second inclined isolation window 20 in the second connecting tube 6 and the third connecting tube 10, the module is isolated from the main air pipe 8, and the first inclined isolation window 19 and the second inclined isolation window 20 are ensured to be in a tilted state, and at the same time, by installing the first blowing pipe 4 in the first connecting member 3 and the second connecting member 5, and installing the second blowing pipe 12 in the third connecting member 11 and the fourth connecting member 13, continuous blowing is performed through the first blowing pipe 4 and the second blowing pipe 12, which prevents the module from being contaminated by the main air pipe 8 and ensures the normal reflection of the reflected light.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An in-situ gas detection device, comprising a receiving box (1), a first connecting pipe (2), a first connecting piece (3), a first air blowing pipe (4), a second connecting piece (5), a second connecting pipe (6), a first notch (7), a main air pipe (8) and a second notch (9), characterized in that: The receiving box (1) is fixedly connected to one end of a first connecting pipe (2), the other end of the first connecting pipe (2) is fixedly connected to a first connecting member (3), the first connecting member (3) is fixedly connected to a first air blowing pipe (4), the first air blowing pipe (4) is fixedly connected to a second connecting member (5), the second connecting member (5) is fixedly connected to a second connecting pipe (6), the second connecting pipe (6) is fixedly connected to a first notch (7), the first notch (7) is provided on one side of a main air pipe (8), and a second notch (9) is provided on the other side of the main air pipe (8).

2. An in-situ gas detection device according to claim 1, characterized in that: A third connecting pipe (10) is fixedly connected to the second notch (9), and one end of the third connecting pipe (10) is fixedly connected to a third connecting member (11).

3. An in-situ gas detection device according to claim 2, characterized in that: The third connecting member (11) is fixedly connected to one end of the second air blowing pipe (12), and the other end of the second air blowing pipe (12) is fixedly connected to the fourth connecting member (13).

4. The in-situ gas detection device according to claim 3, characterized in that: The fourth connecting member (13) is fixedly connected to a fourth connecting tube (14), one end of the fourth connecting tube (14) is fixedly connected to a reflection box (15), and a reflection angle cone (16) is arranged in the reflection box (15).

5. The in-situ gas detection device according to claim 1, characterized in that: The sending and receiving box (1) is provided with a transmitting module (17), and the sending and receiving box (1) is provided with a receiving module (18).

6. The in-situ gas detection device according to claim 1, characterized in that: The second connecting pipe (6) is provided with a first inclined isolation window (19).

7. An in-situ gas detection device according to claim 2, characterized in that: The third connecting pipe (10) is provided with a second inclined isolation window (20).

Images