CN220773027U - Gas detector with anti-corrosion sealing shell structure - Google Patents
Gas detector with anti-corrosion sealing shell structure Download PDFInfo
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- CN220773027U CN220773027U CN202322423233.XU CN202322423233U CN220773027U CN 220773027 U CN220773027 U CN 220773027U CN 202322423233 U CN202322423233 U CN 202322423233U CN 220773027 U CN220773027 U CN 220773027U
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- gas
- gas sensor
- detector
- inlet ring
- sensor
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- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 238000005260 corrosion Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 62
- 241000628997 Flos Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model belongs to the field of gas detectors, and particularly relates to a gas detector with an anti-corrosion sealing shell structure, which comprises a detector shell, wherein a digital display screen is arranged on the upper surface of the detector shell, and an audible and visual alarm is arranged on the side wall of the detector shell; the detection mechanism comprises an interface device arranged at the bottom of the detector shell, a concave interface slot is formed in the interface device, and a gas sensor is inserted in the interface slot; the protection mechanism is arranged at the position of the fragile gas sensor, the external gas inlet ring surrounds the gas sensor in the inner cavity of the gas inlet ring under the condition that the gas circulation is not affected, the gas inlet ring is internally provided with the drainage plate serving as a gas guiding structure, gas can be rapidly transmitted to the position of the gas sensor, the gas sensor is matched with the detachable and replaceable filter cotton structure, redundant gas is adsorbed and collected, the gas is prevented from corroding the gas sensor, the protection effect of the gas sensor is improved, and the service life of the gas sensor is prolonged.
Description
Technical Field
The utility model relates to the field of gas detectors, in particular to a gas detector with an anti-corrosion sealing shell structure.
Background
A gas detector is an instrument that detects the concentration of a gas. The instrument is suitable for dangerous places with combustible or toxic gas, and can continuously detect the content of the detected gas in the air within the explosion lower limit for a long time. Can be widely applied to various industries of fuel gas, petrochemical industry, metallurgy, steel, coking, electric power and the like with combustible or toxic gases.
The prior art has the following problems:
the sensor of the gas detector belongs to an external structure, is exposed in a space containing corrosive gas for a long time, is easily influenced to cause corrosion damage of the sensor, influences the service life of the detector, needs to be replaced frequently, and has high use cost.
Disclosure of Invention
Object of the utility model
In order to solve the technical problems in the background technology, the utility model provides a gas detector with an anti-corrosion sealing shell structure, which has the characteristics of protecting a sensor in a sealing manner and reducing the influence of corrosive gas on the sensor.
(II) technical scheme
In order to solve the technical problems, the utility model provides a gas detector with an anti-corrosion sealing shell structure, which comprises a detector shell, wherein a digital display screen is arranged on the upper surface of the detector shell, and an audible and visual alarm is arranged on the side wall of the detector shell;
the detection mechanism comprises an interface device arranged at the bottom of the detector shell, an inwards concave interface slot is formed in the interface device, a gas sensor is inserted in the interface slot, and a sensor end seat matched with the interface slot is formed at the top of the gas sensor;
the protection mechanism comprises an air inlet ring sleeved on the outer wall of the gas sensor, a plurality of through air holes are formed in the air inlet ring, and a drainage plate facing the detection end of the gas sensor is formed in the inner wall of the air inlet ring;
the bottom of the air inlet ring is inserted with a sealing cover, a boss is arranged in the middle of the sealing cover, and a plurality of filter cotton penetrating into the inner cavity of the air inlet ring are arranged on the boss.
Preferably, the interface slot is provided with a protruding clamping column, and the gas sensor is provided with a slot matched with the gas sensor.
Preferably, a guide groove facing the detection end of the gas sensor is formed in the inner wall of the drainage plate.
Preferably, an inward inclined cavity is reserved between two adjacent drainage plates, and the side wall of the cavity corresponds to the opening position of the air hole.
Preferably, the filter floss penetrates into a section of the inner cavity of the air inlet ring and is accommodated in the cavity clamped by the drainage plate, and a gap is reserved between the filter floss and the drainage plate.
Preferably, a mounting seat provided with a screw hole is arranged at the bottom of the detector shell.
The technical scheme of the utility model has the following beneficial technical effects: the protection mechanism is arranged at the position of the fragile gas sensor, the external gas inlet ring surrounds the gas sensor in the inner cavity of the gas inlet ring under the condition that the gas circulation is not affected, the gas inlet ring is internally provided with the drainage plate serving as a gas guiding structure, gas can be rapidly transmitted to the position of the gas sensor, the gas sensor is matched with the detachable and replaceable filter cotton structure, redundant gas is adsorbed and collected, the gas is prevented from corroding the gas sensor, the protection effect of the gas sensor is improved, and the service life of the gas sensor is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a separation structure of a detection mechanism according to the present utility model;
fig. 3 is a schematic structural view of a protection mechanism of the present utility model.
Reference numerals:
1. a detector housing; 2. a mounting base; 3. a digital display screen; 41. an interface device; 42. an interface slot; 43. a sensor end seat; 44. a gas sensor; 51. an air inlet ring; 52. air holes; 53. a drainage plate; 54. a guide groove; 55. a cover; 56. a boss; 57. filtering cotton; 6. an audible and visual alarm.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1-3, the gas detector with the anti-corrosion sealing shell structure provided by the utility model comprises a detector shell 1, wherein a digital display screen 3 is arranged on the upper surface of the detector shell 1, and an audible and visual alarm 6 is arranged on the side wall of the detector shell;
the detection mechanism comprises an interface device 41 arranged at the bottom of the detector shell 1, an inwards concave interface slot 42 is formed in the interface device 41, a gas sensor 44 is inserted in the interface slot 42, and a sensor end seat 43 matched with the interface slot 42 is formed at the top of the gas sensor 44;
the protection mechanism comprises an air inlet ring 51 sleeved on the outer wall of the gas sensor 44, a plurality of through air holes 52 are formed in the air inlet ring 51, and a drainage plate 53 facing the detection end of the gas sensor 44 is formed on the inner wall of the air inlet ring;
the bottom of the air inlet ring 51 is inserted with a sealing cover 55, a boss 56 is arranged in the middle of the sealing cover 55, and a plurality of filter cotton 57 penetrating into the inner cavity of the air inlet ring 51 are arranged on the boss 56.
It should be noted that: an inward inclined cavity is reserved between two adjacent drainage plates 53, and the side wall of the cavity corresponds to the opening position of the air hole 52; when the external air enters the air inlet ring 51, the air holes 52 corresponding to the clamping cavities between the two drainage plates 53 are transmitted to the air sensor 44.
In this embodiment, set up protection machanism in fragile gas sensor 44 department, external inlet ring 51 is not influencing under the circumstances of gas circulation, surrounds gas sensor 44 at inlet ring 51 inner chamber, sets up drainage plate 53 in the inlet ring 51, is used as gas guide structure, can be fast with gas transmission to gas sensor 44 position department, cooperation detachable filter pulp 57 structure of changing adsorbs the collection to unnecessary gas, prevents that gas residue from corroding gas sensor 44, has promoted the protective effect of gas sensor 44, promotes gas sensor 44's life simultaneously.
The filter floss 57 penetrates into the cavity clamped by the drainage plate 53, a gap is reserved between the filter floss 57 and the drainage plate 53, after corrosive gas enters the air inlet ring 51, part of the gas is adsorbed by the filter floss 57, and the rest of the gas moves to the gas sensor 44 through the gap for detection.
In order to facilitate the guiding and conveying of the gas entering the gas inlet ring 51, further, a guiding groove 54 facing the detecting end of the gas sensor 44 is formed on the inner wall of the guiding plate 53; when the sucked gas is conveyed on the inclined flow guiding plate 53, the guide grooves 54 are arranged in fin-shaped arrays, so that on one hand, gas guiding is performed, and on the other hand, the inclined concave structure can increase the gas flow velocity.
In order to facilitate the connection between the gas sensor 44 and the interface device 1, further, the interface slot 42 is formed with a protruding card post, and the gas sensor 44 is provided with a slot matched with the protruding card post.
In order to facilitate the installation of the detector, further, the bottom of the detector shell 1 is provided with an installation seat 2 provided with a screw hole.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. The gas detector with the anti-corrosion sealing shell structure is characterized by comprising a detector shell (1), wherein a digital display screen (3) is arranged on the upper surface of the detector shell (1), and an audible and visual alarm (6) is arranged on the side wall of the detector shell;
the detection mechanism comprises an interface device (41) arranged at the bottom of the detector shell (1), an inwards concave interface slot (42) is formed in the interface device (41), a gas sensor (44) is inserted into the interface slot (42), and a sensor end seat (43) matched with the interface slot (42) is formed at the top of the gas sensor (44);
the protection mechanism comprises an air inlet ring (51) sleeved on the outer wall of the gas sensor (44), a plurality of through air holes (52) are formed in the air inlet ring (51), and a drainage plate (53) facing the detection end of the gas sensor (44) is formed on the inner wall of the air inlet ring;
the bottom of the air inlet ring (51) is inserted with a sealing cover (55), a boss (56) is arranged in the middle of the sealing cover (55), and a plurality of filter cotton (57) penetrating into the inner cavity of the air inlet ring (51) are arranged on the boss (56).
2. The gas detector with the anti-corrosion sealing shell structure according to claim 1, wherein the interface slot (42) is provided with a protruding clamping column, and the gas sensor (44) is provided with a slot matched with the interface slot.
3. The gas detector with the corrosion-resistant sealing shell structure according to claim 1, wherein the inner wall of the flow guiding plate (53) is provided with a guide groove (54) facing the detection end of the gas sensor (44).
4. A gas detector with a corrosion-proof sealing shell structure according to claim 1, characterized in that an inwardly inclined cavity is reserved between two adjacent drainage plates (53), and the side wall of the cavity corresponds to the opening position of the air hole (52).
5. The gas detector with the anti-corrosion sealing shell structure according to claim 4, wherein the filter cotton (57) penetrates into a section of the inner cavity of the air inlet ring (51) and is accommodated in a cavity clamped by the drainage plate (53), and a gap is reserved between the filter cotton (57) and the drainage plate (53).
6. The gas detector with the anti-corrosion sealing shell structure according to claim 1, wherein a mounting seat (2) with a screw hole is arranged at the bottom of the detector shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423233.XU CN220773027U (en) | 2023-09-06 | 2023-09-06 | Gas detector with anti-corrosion sealing shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423233.XU CN220773027U (en) | 2023-09-06 | 2023-09-06 | Gas detector with anti-corrosion sealing shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773027U true CN220773027U (en) | 2024-04-12 |
Family
ID=90614755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322423233.XU Active CN220773027U (en) | 2023-09-06 | 2023-09-06 | Gas detector with anti-corrosion sealing shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773027U (en) |
-
2023
- 2023-09-06 CN CN202322423233.XU patent/CN220773027U/en active Active
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