CN217543056U - Explosion-proof gas analyzer - Google Patents
Explosion-proof gas analyzer Download PDFInfo
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- CN217543056U CN217543056U CN202221573395.0U CN202221573395U CN217543056U CN 217543056 U CN217543056 U CN 217543056U CN 202221573395 U CN202221573395 U CN 202221573395U CN 217543056 U CN217543056 U CN 217543056U
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Abstract
The utility model relates to the field of gas analyzers, in particular to an explosion-proof gas analyzer, which comprises an installation shell; the top end of the mounting shell is provided with an opening and is detachably connected with an upper end cover; a sealing plate and a limiting ring are arranged inside the mounting shell; the sealing plate is provided with an air inlet pipe assembly, and an air pump is arranged on the air inlet pipe assembly; the air inlet pipe assembly comprises an outer pipe and an inner pipe arranged on the inner side of the outer pipe, the outer pipe and the inner pipe are both of spiral structures, a plurality of pores are formed in the inner pipe, and desiccant particles are filled between the inner pipe and the outer pipe; the inside bottom of installation casing is provided with the mounting panel, is connected with fixed pipe between mounting panel and the closing plate. The utility model discloses dismouting simple structure is convenient for maintain the work, and makes up the inside route of ventilating of pipe and be spiral helicine structure, can promote the drying effect to gas from this greatly, can prevent to install the inside electronic component of casing and wet, has promoted the life of equipment.
Description
Technical Field
The utility model relates to a gas analyzer field especially relates to an explosion-proof gas analyzer.
Background
The gas detecting instrument is an instrument and meter tool for detecting gas leakage concentration, mainly utilizes a gas sensor to detect the types of gases existing in the environment, and the gas sensor is a sensor for detecting the components and the content of the gases.
When the gas analyzer performs gas analysis and detection, firstly, gas needs to be sucked into the analysis chamber, and the gas is analyzed and detected through a gas sensor in the analysis chamber.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists among the background art, the utility model provides an explosion-proof gas analyzer.
The technical scheme of the utility model: an explosion-proof gas analyzer includes a mounting housing; the mounting shell is provided with a display screen and a control key; the top end of the mounting shell is provided with an opening and is detachably connected with an upper end cover; a sealing plate and a limiting ring are arranged in the mounting shell, the limiting ring is fixedly arranged on the inner wall of the mounting shell, and the sealing plate is arranged above the limiting ring; the sealing plate is provided with an air inlet pipe assembly, the air inlet pipe assembly is provided with an air pump, one end of the air inlet pipe assembly is arranged at the bottom of the sealing plate, the other end of the air inlet pipe assembly is arranged outside the mounting shell, and the upper end cover is provided with an upper through hole for the end part of the air inlet pipe assembly to pass through; the air inlet pipe assembly comprises an outer pipe and an inner pipe arranged on the inner side of the outer pipe, the outer pipe and the inner pipe are both of spiral structures, a plurality of pores are formed in the inner pipe, desiccant particles are filled between the inner pipe and the outer pipe, sealing covers are detachably connected to two ends of the outer pipe, and air holes B are formed in the sealing covers; the bottom end of the mounting shell is provided with a mounting plate, the mounting plate is provided with a gas detection device, a controller and a gas pressure sensor, a fixed guide pipe is connected between the mounting plate and a sealing plate, the bottom end of the fixed guide pipe is arranged below the mounting plate, the bottom end of the mounting shell is provided with a lower through hole for the fixed guide pipe to pass through, and the bottom end of the fixed guide pipe is in threaded connection with a butterfly nut; the upper end of the fixed conduit is provided with a vent hole A, and the bottom end inside the fixed conduit is provided with an electromagnetic valve.
Preferably, the bottom end of the sealing plate is provided with a sealing gasket A; and a sealing gasket B is arranged at the bottom end of the mounting plate.
Preferably, the installation shell comprises an inner heat insulation layer and an outer stainless steel layer which are respectively arranged on the inner side and the outer side, and a high-strength wire mesh is arranged between the inner heat insulation layer and the outer stainless steel layer.
Preferably, the mounting plate has a diameter less than the inner diameter of the stop collar.
Preferably, the controller is electrically connected with the gas detection device, the air pressure sensor, the air pump, the display screen, the control key and the electromagnetic valve.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model discloses dismouting simple structure is convenient for maintain, and the inside route of ventilating of combination pipe is spiral helicine structure, can promote the drying effect to gas from this greatly, can prevent that the inside electronic component of installation casing from weing, has promoted the life of equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 and fig. 4 are schematic structural diagrams of the middle mounting housing of the present invention.
Fig. 5 is a cross-sectional view of the middle mounting housing of the present invention.
Fig. 6 is a schematic structural view of the air inlet pipe assembly of the present invention.
Fig. 7 is a schematic view of a part a of the enlarged structure of fig. 6.
Reference numerals: 1. installing a shell; 101. an outer stainless steel layer; 102. an inner insulating layer; 103. a high strength wire mesh; 1001. lower punching; 2. an upper end cover; 201. punching an upper hole; 301. an outer tube; 302. an inner tube; 3021. fine pores; 4. sealing plates; 5. sealing washer A; 6. an air pump; 7. fixing the catheter; 701. a vent hole A; 8. mounting a plate; 9. a gas detection device; 10. a controller; 11. an air pressure sensor; 12. a sealing washer B; 13. a display screen; 14. a control key; 15. a butterfly nut; 16. a sealing cover; 161. a vent hole B; 17. desiccant particles; 18. a limit ring.
Detailed Description
Example one
As shown in fig. 1-7, the utility model provides an explosion-proof gas analyzer, which comprises a mounting housing 1; a display screen 13 and a control key 14 are arranged on the mounting shell 1; the top end of the mounting shell 1 is provided with an opening and is detachably connected with an upper end cover 2; the mounting shell comprises an inner heat insulation layer 102 and an outer stainless steel layer 101 which are respectively arranged on the inner side and the outer side, a high-strength wire mesh 103 is arranged between the inner heat insulation layer 102 and the outer stainless steel layer 101, and the strength of the whole mounting shell 1 can be greatly improved by the arranged outer stainless steel layer 101 and the high-strength wire mesh 103, so that an explosion-proof effect can be achieved; a sealing plate 4 and a limiting ring 18 are arranged in the mounting shell 1, the limiting ring 18 is fixedly arranged on the inner wall of the mounting shell 1, and the sealing plate 4 is arranged above the limiting ring 18; an air inlet pipe assembly is arranged on the sealing plate 4, an air pump 6 is installed on the air inlet pipe assembly, one end of the air inlet pipe assembly is arranged at the bottom of the sealing plate 4, the other end of the air inlet pipe assembly is arranged outside the installation shell 1, and an upper through hole 201 for the end part of the air inlet pipe assembly to pass through is formed in the upper end cover 2; the air inlet pipe assembly comprises an outer pipe 301 and an inner pipe 302 arranged on the inner side of the outer pipe 301, the outer pipe 301 and the inner pipe 302 are both in a spiral structure, a plurality of fine holes 3021 are formed in the inner pipe 302, desiccant particles 17 are filled between the inner pipe 302 and the outer pipe 301, two ends of the outer pipe 301 can be detachably connected with sealing covers 16, and vent holes B161 are formed in the sealing covers 16; the mounting plate 8 is arranged at the bottom end inside the mounting shell 1, the diameter of the mounting plate 8 is smaller than the inner diameter of the limiting ring 18, the structural design enables the mounting plate 8 to penetrate through the limiting ring 18 and be arranged at the bottom end inside the mounting shell 1, the mounting plate 8 is provided with the gas detection device 9, the controller 10 and the air pressure sensor 11, the fixing guide pipe 7 is connected between the mounting plate 8 and the sealing plate 4, the bottom end of the fixing guide pipe 7 is arranged below the mounting plate 8, the bottom end of the mounting shell 1 is provided with a lower penetrating hole 1001 for the fixing guide pipe 7 to penetrate through, and the bottom end of the fixing guide pipe 7 is in threaded connection with the butterfly nut 15; the upper end of the fixed conduit 7 is provided with a vent hole A701, and the bottom end inside the fixed conduit 7 is provided with an electromagnetic valve; the controller 10 is electrically connected with the gas detection device 9, the air pressure sensor 11, the air pump 6, the display 13, the control key 14 and the electromagnetic valve.
In this embodiment, when the air drying device is used, the air pump 6 is started to work, the air pump 6 sucks air into the air inlet pipe assembly, and the sucked air can be dried through the desiccant particles 17 arranged between the outer pipe 301 and the inner pipe 302, so that electronic components inside the installation shell 1 can be prevented from being affected with damp, and the service life of the equipment is prolonged; the gas flows into a chamber at the bottom of the installation shell 1 after being dried, the gas detection device 9 arranged can detect the sucked gas and feed back the detected information to the controller 10, the controller 10 analyzes and processes the received information, and finally the detected information is displayed by the arranged display screen 13; when electronic components in the installation shell 1 need to be overhauled, the upper end cover 2 can be detached from the top end of the installation shell 1, then the butterfly nut 15 is rotated to remove the limitation on the fixed guide pipe 7, finally the sealing plate 4 can be pulled upwards, and the sealing plate 4 drives the installation plate 8 to move until the installation plate 8 is completely moved out of the installation shell 1; the air pressure sensor 11 can detect the air pressure in the inner cavity of the mounting case 1, and when the inner air pressure exceeds a set range, the controller 10 controls the electromagnetic valve (not shown) to open, so as to perform the function of pressure relief.
Example two
As shown in fig. 2, compared with the first embodiment, in the present embodiment, the bottom end of the sealing plate 4 is provided with the sealing gasket A5, and the sealing gasket A5 can improve the sealing performance between the sealing plate 4 and the limiting ring 18; the bottom of mounting panel 8 is provided with seal ring B12, and the seal ring B12 of setting can promote the leakproofness between mounting panel 8 and the installation casing 1 inner wall.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (5)
1. An explosion-proof gas analyzer, characterized by comprising a mounting case (1); a display screen (13) and a control key (14) are arranged on the mounting shell (1); the top end of the mounting shell (1) is provided with an opening and is detachably connected with an upper end cover (2); a sealing plate (4) and a limiting ring (18) are arranged in the mounting shell (1), the limiting ring (18) is fixedly arranged on the inner wall of the mounting shell (1), and the sealing plate (4) is arranged above the limiting ring (18); an air inlet pipe assembly is arranged on the sealing plate (4), an air pump (6) is mounted on the air inlet pipe assembly, one end of the air inlet pipe assembly is arranged at the bottom of the sealing plate (4), the other end of the air inlet pipe assembly is arranged outside the mounting shell (1), and an upper through hole (201) for the end part of the air inlet pipe assembly to pass through is formed in the upper end cover (2); the air inlet pipe assembly comprises an outer pipe (301) and an inner pipe (302) arranged on the inner side of the outer pipe (301), the outer pipe (301) and the inner pipe (302) are both in a spiral structure, a plurality of fine holes (3021) are formed in the inner pipe (302), desiccant particles (17) are filled between the inner pipe (302) and the outer pipe (301), two ends of the outer pipe (301) are detachably connected with sealing covers (16), and air holes B (161) are formed in the sealing covers (16); a mounting plate (8) is arranged at the bottom end inside the mounting shell (1), a gas detection device (9), a controller (10) and a gas pressure sensor (11) are mounted on the mounting plate (8), a fixed guide pipe (7) is connected between the mounting plate (8) and the sealing plate (4), the bottom end of the fixed guide pipe (7) is arranged below the mounting plate (8), a lower through hole (1001) for the fixed guide pipe (7) to pass through is formed in the bottom end of the mounting shell (1), and a butterfly nut (15) is connected to the bottom end of the fixed guide pipe (7) in a threaded mode; the upper end of the fixed conduit (7) is provided with a vent hole A (701), and the bottom end inside the fixed conduit (7) is provided with an electromagnetic valve.
2. An explosion-proof gas analyzer according to claim 1, characterized in that the bottom end of the sealing plate (4) is provided with a sealing gasket a (5); and a sealing gasket B (12) is arranged at the bottom end of the mounting plate (8).
3. An explosion-proof gas analyzer according to claim 1, characterized in that the mounting case (1) comprises an inner insulating layer (102) and an outer stainless steel layer (101) respectively disposed at the inner and outer sides, and a high-strength wire mesh (103) is disposed between the inner insulating layer (102) and the outer stainless steel layer (101).
4. An explosion-proof gas analyzer according to claim 1, characterized in that the diameter of the mounting plate (8) is smaller than the inner diameter of the stop collar (18).
5. An explosion-proof gas analyzer according to claim 1, characterized in that the controller (10) is electrically connected to the gas detection device (9), the gas pressure sensor (11), the gas pump (6), the display screen (13), the control button (14) and the solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221573395.0U CN217543056U (en) | 2022-06-21 | 2022-06-21 | Explosion-proof gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221573395.0U CN217543056U (en) | 2022-06-21 | 2022-06-21 | Explosion-proof gas analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217543056U true CN217543056U (en) | 2022-10-04 |
Family
ID=83419543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221573395.0U Active CN217543056U (en) | 2022-06-21 | 2022-06-21 | Explosion-proof gas analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217543056U (en) |
-
2022
- 2022-06-21 CN CN202221573395.0U patent/CN217543056U/en active Active
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