CN220305298U - Explosion-proof detector for combustible gas - Google Patents
Explosion-proof detector for combustible gas Download PDFInfo
- Publication number
- CN220305298U CN220305298U CN202320911262.8U CN202320911262U CN220305298U CN 220305298 U CN220305298 U CN 220305298U CN 202320911262 U CN202320911262 U CN 202320911262U CN 220305298 U CN220305298 U CN 220305298U
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- explosion
- proof
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- detector
- body shell
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract 4
- 238000010030 laminating Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 13
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 47
- 239000000428 dust Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a flammable gas explosion-proof detector, which relates to the technical field of detectors and comprises an explosion-proof main body shell and an explosion-proof rear shell, wherein the explosion-proof main body shell and the explosion-proof rear shell are in a sealing connection relationship, a blocking head is fixedly arranged on one side of the upper end of the explosion-proof main body shell, a connecting pipe is fixedly arranged on one side of the explosion-proof main body shell, which is far away from the blocking head, an alarm is electrically arranged on one side of the connecting pipe, a warning lamp is electrically arranged on the alarm, a detector is fixedly arranged on one side of the lower end of the explosion-proof main body shell, a first connecting sleeve is arranged on an internal thread surface thread of the protective shell, a miniature induced-air fan is arranged in the first connecting sleeve, a second connecting sleeve is arranged on a thread surface thread of the first connecting sleeve, a filter element is arranged in the second connecting sleeve, and explosion-proof sealing gaskets are arranged on the circumference of the inner walls of the explosion-proof main body shell and the explosion-proof rear shell, so that the effects of ensuring the detection result, prolonging the service life of equipment and improving the explosion-proof tightness are achieved.
Description
Technical Field
The utility model relates to the technical field of detectors, in particular to a combustible gas explosion-proof detector.
Background
The fire hazard caused by the combustible gas is a kind of serious fire hazard, when the combustible gas reaches a certain concentration range in air or oxygen, the explosion phenomenon occurs when the combustible gas meets a fire source, so the detection research on the combustible gas is carried out, the explosion-proof type combustible gas detector is the most widely applied equipment, the explosion-proof type combustible gas detector is used in an explosion-proof place, and the explosion-proof type combustible gas detector is a gas detection equipment installed in an explosion-proof dangerous environment, converts the concentration of the combustible gas in the field into a digital signal and transmits the digital signal to a gas alarm controller positioned in a safe area so as to achieve the purpose of monitoring the concentration of the combustible gas in the field.
The main bodies of the existing flammable gas explosion-proof detectors are mostly fixed through threaded connection, and notably, the tightness after connection is also important; in addition, when the flammable gas explosion-proof detector detects, impurity dust in the air is not encountered, if the detector is used for a long time, dust and impurities can possibly enter the flammable gas explosion-proof detector or block the detector head, so that the normal use of the flammable gas explosion-proof detector is affected, and the detection result and the service life are greatly reduced.
Disclosure of Invention
The utility model aims to provide a combustible gas explosion-proof detector, which solves the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flammable gas explosion-proof detector, includes explosion-proof body shell and explosion-proof backshell, be sealing connection relation between explosion-proof body shell and the explosion-proof backshell, the fixed shutoff head that is provided with in upper end one side of explosion-proof body shell, the explosion-proof body shell is kept away from the fixed connecting pipe that is provided with in one side of shutoff head, one side of connecting pipe is provided with the siren electrically, the electrical property is provided with the warning light on the siren;
the explosion-proof main body shell is characterized in that a detector is fixedly arranged on one side of the lower end of the explosion-proof main body shell, a protecting shell integrally arranged with the explosion-proof main body shell is arranged on the outer periphery of the detector, a first connecting sleeve is arranged on the inner thread surface of the protecting shell in a threaded mode, a miniature fan is arranged in the first connecting sleeve, a second connecting sleeve is arranged on the thread surface of the first connecting sleeve in a threaded mode, and a filter element is arranged in the second connecting sleeve.
Optionally, the explosion-proof main body shell and the inner wall week that explosion-proof backshell are close to each other all are provided with explosion-proof sealing gasket.
Optionally, a first filter screen is fixedly arranged at a position, close to the lower center position, of the inner wall of the first connecting sleeve, and the miniature induced draft fan is placed on the first filter screen.
Optionally, a second filter screen is fixedly arranged at the bottom of the second connecting sleeve, and the filter core is placed on the second filter screen.
Optionally, the back surface laminating of explosion-proof backshell is provided with mounting plate, mounting plate's four corners department has evenly seted up the mounting hole.
Optionally, the explosion-proof backshell laminating the first otic placode of integration evenly is provided with in a week on mounting plate surface, the laminating of one side of first otic placode is provided with the second otic placode, the fixed setting of second otic placode is in a week of explosion-proof body shell, first otic placode the second otic placode with all common screw thread is provided with the bolt between the mounting plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the miniature fan, the first filter screen, the second filter screen and the filter core are arranged below the detector, so that before the combustible gas and other gases enter the detector in the protective shell for detection, dust impurities in the air are blocked outside after the combustible gas and other gases are filtered by the filter core, the second filter screen and the first filter screen, and the influence on the accurate detection result of the combustible gas due to long-term contact with the detector is avoided, thereby ensuring the detection result of the combustible gas explosion-proof detector and prolonging the service life of the combustible gas explosion-proof detector.
In addition, install second adapter sleeve and first adapter sleeve one by one screw thread for the filter core in the second adapter sleeve of operator accessible threaded connection changes cleanly with first adapter sleeve, simultaneously, the first adapter sleeve of operator accessible threaded connection and protecting crust also change cleanly for the miniature induced fan in the first adapter sleeve, and both are the screw thread installation dismantlement, and the operation is comparatively simple and convenient, helps the operator to change cleanly, also provides the clean guarantee of change after long-term use for the filtration performance of combustible gas explosion-proof type detector, has further ensured the detection result of combustible gas explosion-proof type detector, has prolonged the life of combustible gas explosion-proof type detector.
2. According to the utility model, the explosion-proof sealing gasket is utilized, and the explosion-proof main body shell and the explosion-proof rear shell are mutually attached when being installed, so that the leakage of gas and the mixing of other gases are effectively avoided, and the explosion-proof sealing performance of the combustible gas explosion-proof detector is further improved.
Drawings
FIG. 1 is a front view of the structure of the present utility model;
FIG. 2 is a side cross-sectional view of the structure of the present utility model;
fig. 3 is an enlarged view of a portion a of fig. 2, which is a structural view of the present utility model.
In the figure: 1-mounting a bottom plate; 2-an explosion-proof main body case; 3-explosion-proof rear shell; 4-a first ear plate; 5-a second ear panel; 6-a bolt; 7-plugging heads; 8-connecting pipes; 9-an alarm; 10-warning lamps; 11-an explosion-proof sealing gasket; 12-a detector; 13-protecting a shell; 14-a first connection sleeve; 15-a first filter screen; 16-miniature fans; 17-a second connecting sleeve; 18-a second filter screen; 19-filter element.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a flammable gas explosion-proof detector, includes explosion-proof body shell 2 and explosion-proof backshell 3, is sealing connection between explosion-proof body shell 2 and the explosion-proof backshell 3, and the fixed shutoff head 7 that is provided with in upper end one side of explosion-proof body shell 2, the fixed connecting pipe 8 that is provided with in one side that is kept away from shutoff head 7 of explosion-proof body shell 2, one side of connecting pipe 8 is provided with alarm 9 in the electrical property, is provided with warning light 10 in the electrical property on the alarm 9;
the detector 12 is fixedly arranged on one side of the lower end of the explosion-proof main body shell 2, a protecting shell 13 integrally arranged with the explosion-proof main body shell 2 is arranged on the outer periphery of the detector 12, a first connecting sleeve 14 is arranged on the inner thread surface of the protecting shell 13 in a threaded manner, a miniature fan 16 is arranged in the first connecting sleeve 14, a second connecting sleeve 17 is arranged on the thread surface of the first connecting sleeve 14 in a threaded manner, a filter element 19 is arranged in the second connecting sleeve 17, a first filter screen 15 is fixedly arranged on the inner wall of the first connecting sleeve 14 close to the position of the lower center position, the miniature fan 16 is arranged on the first filter screen 15, a second filter screen 18 is fixedly arranged on the bottom of the second connecting sleeve 17, and the filter element 19 is arranged on the second filter screen 18.
More specifically, in this embodiment, an operator connects a power supply through the plugging head 7 of the explosion-proof main body shell 2, and through the arrangement of the micro-induced fan 16, the first filter screen 15, the second filter screen 18 and the filter core 19 below the detector, before the combustible gas and other gases enter the detector 12 in the protective shell 13 for detection, the dust impurities in the air are blocked outside after the filter core 19, the first filter screen 15 and the second filter screen 18 are filtered, so as to avoid contacting the detector 12 for a long time and affecting the accurate detection result of the combustible gas, thereby ensuring the detection result of the explosion-proof detector of the combustible gas, prolonging the service life of the explosion-proof detector of the combustible gas, and then introducing the combustible gas through the micro-induced fan 16, when the combustible gas enters the detector 12 for detection, the alarm 9 electrically connected with the connecting pipe 8 will give out abnormal sound, and simultaneously warn the lamp 10 to flash, so as to achieve the effect of jointly warning the operator in hearing and vision; the second connecting sleeve 17 and the first connecting sleeve 14 are arranged one by one in a threaded manner, so that an operator can replace and clean the filter element 19 in the second connecting sleeve 17 through the second connecting sleeve 17 and the first connecting sleeve 14 which are in threaded connection, meanwhile, the operator can replace and clean the miniature fan 16 in the first connecting sleeve 14 through the first connecting sleeve 14 and the protecting shell 13 which are in threaded connection, the operation is simple and convenient, the replacement and cleaning of the operator are facilitated, the replacement and cleaning guarantee is provided for the filtering performance of the flammable gas explosion-proof detector after long-term use, the detection result of the flammable gas explosion-proof detector is further ensured, and the service life of the flammable gas explosion-proof detector is prolonged.
The explosion-proof main body case 2 and the explosion-proof rear case 3 are provided with explosion-proof gaskets 11 around the inner wall thereof.
It is worth to say that, when the explosion-proof sealing gasket 11 is utilized, the explosion-proof main body shell 2 and the explosion-proof rear shell 3 are mutually attached when being installed, the leakage of gas and the mixing of other gases are effectively avoided, and then the explosion-proof sealing performance of the flammable gas explosion-proof detector is improved.
Embodiment II, based on the above embodiment:
further, the laminating of the rear surface of explosion-proof backshell 3 is provided with mounting plate 1, and the mounting hole has evenly been seted up to mounting plate 1's four corners department, and the week of explosion-proof backshell 3 laminating mounting plate 1 surface evenly is provided with first otic placode 4 of integration, and the laminating of one side of first otic placode 4 is provided with second otic placode 5, and second otic placode 5 is fixed to be set up in the week of explosion-proof main body shell 2, and all common screw thread is provided with bolt 6 between first otic placode 4, second otic placode 5 and the mounting plate 1.
More specifically, in this embodiment, when an operator needs to perform equipment maintenance on the inside of the flammable gas explosion-proof detector, the bolts 6 can be screwed and disassembled one by one in the screw grooves common to the first ear plate 4, the second ear plate 5 and the mounting base plate 1, so that the mounting base plate 1, the explosion-proof main body shell 2 and the explosion-proof rear shell 3 are separated from each other; an operator can mount and dismount the mounting baseplate 1 to the mounting place through the mounting holes of the mounting baseplate 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a combustible gas explosion-proof type detector, includes explosion-proof main body shell (2) and explosion-proof backshell (3), its characterized in that: the explosion-proof main body shell (2) and the explosion-proof rear shell (3) are in a sealing connection relationship, an explosion-proof sealing gasket (11) is arranged on the circumference of the inner wall, close to each other, of the explosion-proof main body shell (2) and the explosion-proof rear shell (3), a blocking head (7) is fixedly arranged on one side of the upper end of the explosion-proof main body shell (2), a connecting pipe (8) is fixedly arranged on one side, far away from the blocking head (7), of the explosion-proof main body shell (2), an alarm (9) is electrically arranged on one side of the connecting pipe (8), and a warning lamp (10) is electrically arranged on the alarm (9);
the anti-explosion device is characterized in that a detector (12) is fixedly arranged on one side of the lower end of the anti-explosion main body shell (2), a protecting shell (13) integrally arranged with the anti-explosion main body shell (2) is arranged on the outer periphery of the detector (12), a first connecting sleeve (14) is arranged on the inner thread surface of the protecting shell (13) in a threaded mode, a miniature induced draft fan (16) is arranged in the first connecting sleeve (14), a second connecting sleeve (17) is arranged on the inner thread surface of the first connecting sleeve (14) in a threaded mode, and a filter element (19) is arranged in the second connecting sleeve (17).
2. The combustible gas explosion-proof detector of claim 1, wherein: the miniature fan is characterized in that a first filter screen (15) is fixedly arranged at a position, close to the center, of the inner wall of the first connecting sleeve (14) and is lower than the center, and the miniature fan (16) is placed on the first filter screen (15).
3. A combustible gas explosion-proof detector as set forth in claim 2, wherein: the bottom of the second connecting sleeve (17) is fixedly provided with a second filter screen (18), and the filter core (19) is placed on the second filter screen (18).
4. The combustible gas explosion-proof detector of claim 1, wherein: the anti-explosion rear shell is characterized in that an installation base plate (1) is arranged on the rear surface of the anti-explosion rear shell (3) in a fitting mode, and installation holes are evenly formed in four corners of the installation base plate (1).
5. The combustible gas explosion-proof detector of claim 4, wherein: the explosion-proof backshell (3) laminating the first otic placode (4) of integration evenly is provided with in a week on mounting plate (1) surface, the laminating of one side of first otic placode (4) is provided with second otic placode (5), second otic placode (5) are fixed to be set up a week of explosion-proof body shell (2), first otic placode (4) second otic placode (5) with all common screw thread is provided with bolt (6) between mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320911262.8U CN220305298U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof detector for combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320911262.8U CN220305298U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof detector for combustible gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305298U true CN220305298U (en) | 2024-01-05 |
Family
ID=89372623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320911262.8U Active CN220305298U (en) | 2023-04-21 | 2023-04-21 | Explosion-proof detector for combustible gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305298U (en) |
-
2023
- 2023-04-21 CN CN202320911262.8U patent/CN220305298U/en active Active
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