CN219657594U - Combustible gas detector with audible and visual alarm - Google Patents
Combustible gas detector with audible and visual alarm Download PDFInfo
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- CN219657594U CN219657594U CN202320535435.0U CN202320535435U CN219657594U CN 219657594 U CN219657594 U CN 219657594U CN 202320535435 U CN202320535435 U CN 202320535435U CN 219657594 U CN219657594 U CN 219657594U
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- audible
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- combustible gas
- visual alarm
- gas detector
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- 230000000007 visual effect Effects 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 23
- 229920000742 Cotton Polymers 0.000 claims description 21
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 30
- 238000001514 detection method Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- FPWNLURCHDRMHC-UHFFFAOYSA-N 4-chlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1 FPWNLURCHDRMHC-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a combustible gas detector with an audible and visual alarm, which relates to the technical field of gas detectors, and particularly relates to a combustible gas detector with an audible and visual alarm. This combustible gas detector with audible and visual alarm through set up at the outside of sensor subassembly and protect the pipe to including the inside joint filter pulp of protection pipe, filter gas through the filter pulp when admitting air, prevent that impurity in the gas from causing the influence to the sensor subassembly, set up the air guide ring at sensor subassembly tip simultaneously, through the intermittent start of the miniature air pump of PCB board control, guide into the air guide ring with the air current along the air guide pipe, and spout along the mouth of giving vent to anger at air guide ring middle part, can clear up sensor subassembly surface, guarantee that sensor subassembly surface is in clean condition all the time.
Description
Technical Field
The utility model relates to the technical field of gas detectors, in particular to a combustible gas detector with audible and visual alarm.
Background
The combustible gas is a substance that can be ignited and is in a gaseous state at normal temperature and pressure. Such as hydrogen, acetylene, ethylene, propane, methane, and the like. The combustible gas is mixed in a certain proportion in the corresponding combustion-supporting medium, and can cause combustion or explosion under the action of the ignition source. The danger of the combustible gas mainly depends on the explosion limit, the smaller the value of the explosion lower limit and the larger the range between the explosion lower limit and the explosion upper limit, and the more dangerous is, in places such as natural gas, petroleum, chemical industry, metallurgy, oil houses, gas storage, processing, waste treatment fields, power plants and the like, the concentration of the combustible gas needs to be detected due to the uniqueness of the working environment, and the harm degree of the combustible gas to the working environment is determined according to the detection result.
For combustible gas detection, patent number CN202021720093.2 discloses a combustible gas detector, wherein be provided with casing, sensor subassembly, terminal subassembly, the PCB board, the charactron display element, the display screen sets up fretwork form protection casing and inlet hood, the siphunculus outside sensor subassembly, gas can be followed the siphunculus on the inlet hood and get into the inlet hood inside, and pass to sensor subassembly after filtering gas through the protection casing, wherein although be provided with fretwork form inlet hood and protect sensor subassembly, but it can only block large granule impurity, but block effect relatively poor to some tiny dust, even can not realize blocking, lead to long-time use back sensor subassembly surface to adhere to the dust easily, lead to its detection precision to reduce, for guaranteeing the sensor subassembly, frequent clearance is carried out to the staff that needs, the complex operation, waste time and energy are wasted, for this we propose a combustible gas detector with audible and visual alarm in order to solve above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a combustible gas detector with audible and visual alarm, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a combustible gas detector with audible and visual alarm, includes the casing, the both sides of casing top all are provided with the connector, and threaded connection has the shutoff head on a set of connector, threaded connection has audible and visual alarm on another set of connector, terminal subassembly, PCB board, charactron display piece have been set gradually from supreme down to the inside of casing, the top threaded connection of casing has sealed lid, the middle part joint of sealed lid has the display screen with the charactron display piece complex, the outside below fixed mounting of casing has the sensor subassembly, and the outside threaded connection of sensor subassembly has interior protective tube, outer protective tube, the inside joint of interior protective tube has the filter pulp, the inside fixed mounting of casing has the miniature air pump that is located terminal subassembly one side, and fixedly connected with air duct on the gas outlet of miniature air pump, the one end fixedly connected with air duct, be provided with on the PCB board with miniature air pump complex timer.
Preferably, the outside of sensor subassembly has offered and has cooperated two sets of connecting screw threads with interior protection pipe, outer protection pipe suit is in the outside of interior protection pipe, the one end that outer protection pipe kept away from sensor subassembly is provided with two sets of siphunculus.
Preferably, the inside of interior protection pipe is provided with spacing orifice plate, the filter pulp is located the outside of spacing orifice plate, the one end threaded connection that the sensor subassembly was kept away from to interior protection pipe has the location end.
Preferably, the surfaces of the limiting orifice plate and the positioning end head are provided with uniformly distributed air holes, and the distance between the limiting orifice plate and the positioning end head is 1-3cm.
Preferably, the air duct is inlaid in the sensor assembly, one end of the air duct extends out of the end part of the sensor assembly, and the air duct at the end part of the air duct is positioned in the inner protection tube.
Preferably, the inner ring of the air guide ring is fixedly connected with a plurality of air outlet nozzles, and the end parts of the air outlet nozzles incline to the side close to the sensor assembly.
The utility model provides a combustible gas detector with audible and visual alarm, which has the following beneficial effects:
1. this combustible gas detector with audible and visual alarm through set up at the outside of sensor subassembly and protect the pipe to including the inside joint filter pulp of protection pipe, filter gas through the filter pulp when admitting air, prevent that impurity in the gas from causing the influence to the sensor subassembly, set up the air guide ring at the sensor subassembly tip simultaneously, through the intermittent start of the miniature air pump of PCB board control, guide the air current into the air guide ring along the air guide pipe, and spout along the mouth of giving vent to anger at air guide ring middle part, can clear up the sensor subassembly surface, guarantee that the sensor subassembly surface is in clean condition all the time, thereby guaranteed the detection precision of sensor subassembly.
2. This combustible gas detector with audible and visual alarm when miniature air pump starts along the blowout air current of giving vent to anger mouth to the sensor module surface clearance, and the air current can pass the cotton of filtration and to the inside protection outside of tube discharge, through the air current blowback, can clear up the impurity of filtering out of cotton of filtration, can prolong the live time of cotton of filtration, reduces the frequency of cotton of filtration clearance, reduces intensity of labour.
Drawings
FIG. 1 is a schematic diagram of the overall assembled structure of the present utility model;
FIG. 2 is a schematic view of an explosion of the internal structure of the housing of the present utility model;
FIG. 3 is a schematic view of the exterior of the sensor assembly of the present utility model;
FIG. 4 is a schematic view of the inner shield tube of the present utility model;
FIG. 5 is a schematic view of the structure of the installation position of the air duct of the present utility model;
FIG. 6 is a schematic view of the connection between the air guide ring and the micro air pump.
In the figure: 1. a housing; 2. a terminal assembly; 3. a PCB board; 4. a nixie tube display; 5. sealing cover; 6. a display screen; 7. a blocking head; 8. an audible and visual alarm; 9. a sensor assembly; 10. an inner protective tube; 11. positioning the end head; 12. a limiting orifice plate; 13. filtering cotton; 14. an outer protective tube; 15. a micro air pump; 16. an air duct; 17. a gas ring; 18. and (5) an air outlet nozzle.
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.
Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a flammable gas detector with audible and visual alarm, which comprises a housin 1, both sides above casing 1 all are provided with the connector, and threaded connection has shutoff head 7 on the connector of a set of, threaded connection has audible and visual alarm 8 on another set of connector, terminal subassembly 2 has been set gradually from bottom to top to the inside of casing 1, PCB board 3, nixie tube display 4, each structure in casing 1 carries out the connection installation through the screw, casing 1 inner structure and display 6, audible and visual alarm 8, sensor subassembly 9 is common prior art, the top threaded connection of casing 1 has sealed lid 5, the middle part joint of sealed lid 5 has with nixie tube display 4 complex display 6, sensor subassembly 9 is fixedly installed to the below of casing 1 outside, and the outside threaded connection of sensor subassembly 9 has interior protection tube 10, outer protection tube 14, the inside joint of interior protection tube 10 has filter cotton 13, when in air intake, the air is filtered through the filter cotton 13 to prevent impurities in the air from affecting the sensor assembly 9, the miniature air pump 15 positioned at one side of the terminal assembly 2 is fixedly arranged in the shell 1, the air outlet of the miniature air pump 15 is fixedly connected with the air duct 16, one end of the air duct 16 is fixedly connected with the air duct 17, the miniature air pump 15 is started to generate air flow, the air flow can be guided into the air duct 17 along the air duct 16 to clean the surface of the sensor assembly 9, the miniature air pump 15 is of the model DQB 031A, the miniature air pump 15 is controlled by a timer on the PCB 3, the timer matched with the miniature air pump 15 is arranged on the PCB 3, the miniature air pump 15 is controlled by the timer, the miniature air pump 15 is intermittently started, the timer is the current common prior art, the principle and the working process are not repeated here, the back of the shell 1 can be provided with an air inlet matched with the micro air pump 15 according to the position of the micro air pump 15.
Referring to fig. 3 and 4, two sets of connecting threads are provided on the outer portion of the sensor assembly 9 and are matched with the inner protective tube 10 and the outer protective tube 14, the inner protective tube 10 and the outer protective tube 14 can be sequentially installed on the outer portion of the sensor assembly 9 through the two sets of connecting threads, the outer protective tube 14 is sleeved on the outer portion of the inner protective tube 10, two sets of through pipes are provided at one end of the outer protective tube 14 far away from the sensor assembly 9, air flow can be led into the inner portion of the outer protective tube 14 along the two sets of through pipes, and finally the air flow enters the inner portion of the inner protective tube 10 for detection, a limiting orifice plate 12 is provided in the inner portion of the inner protective tube 10, and the filter cotton 13 is located on the outer side of the limiting orifice plate 12, the one end threaded connection that sensor subassembly 9 was kept away from to interior protection tube 10 has location end 11, can block up inside protection tube 10 with filter cotton 13 through location end 11, realize the restriction to filter cotton 13, simultaneously with the location end 11 unscrew be convenient for clear up or change filter cotton 13, the bleeder vent of equipartition has all been seted up on the surface of spacing orifice plate 12 and location end 11, guarantee the flow of air current, guarantee that the air current can pass location end 11, spacing orifice plate 12 get into inside the protection tube 10, spacing between spacing orifice plate 12 and the location end 11 is 1-3cm, restrict filter cotton 13 through spacing orifice plate 12 and location end 11, guarantee the fastness when filter cotton 13 works.
Referring to fig. 5 and 6, the air duct 16 is inlaid in the sensor assembly 9, one end of the air duct 16 extends out of the end of the sensor assembly 9, a hard tube is selected as a straight line portion of the air duct 16, a flexible tube is selected as a curved portion, the air duct 16 is conveniently arranged in the sensor assembly 9, the air duct 17 at the end of the air duct 16 is located in the inner protective tube 10, the air duct 16 is used for driving, the air flow generated by the micro air pump 15 can be led into the air duct 17, so that the surface of the sensor assembly 9 is cleaned, the inner ring of the air duct 17 is fixedly connected with a plurality of air outlet nozzles 18, and when the end portion of the air outlet nozzle 18 is inclined towards the side close to the sensor assembly 9, the micro air pump 15 starts to jet the air flow along the air outlet nozzles 18 to clean the surface of the sensor assembly 9, the air flow can pass through the filter cotton 13 to be discharged out of the inner protective tube 10, impurities filtered by the air flow can be cleaned, the air outlet nozzle 18 is arranged in the inner ring of the air duct 17, the air outlet nozzle 18 has a smaller air outlet end area, and the air flow can obtain a higher flow velocity, so that the surface of the sensor assembly 9 is cleaned.
In sum, this combustible gas detector with audible and visual alarm, when in use, gas gets into inside the outer protective tube 14 along the siphunculus on the outer protective tube 14, and get into inside the inner protective tube 10 along inner protective tube 10 tip, sensor module 9 detects the gas of entering, and pass through terminal module 2 with detection data transmission to PCB board 3, PCB board 3 is to data processing and show that data transmission is carried out to sealed lid 5 through digital tube display 4, when detection data exceeds standard, PCB board 3 control audible and visual alarm 8 reports to the police, above process is the prior art that combustible gas detector worked, in the inside in-process of gas entering inner protective tube 10, filter cotton 13 filters large granule impurity and dust in the gas, prevent to cause the influence to sensor module 9, be provided with on the PCB board 3 with miniature air pump 15 complex timer, start up through timer control miniature air pump 15, the air current is followed air guide pipe 16 and is gone into in air guide ring 17, spout along the air outlet 18 at the middle part of air guide ring 17, it is surperficial to make sensor module 9 carry out the clearance to keep the sensor module 9 to make surperficial, it can be cleared up to filter cotton 13 to keep the sensor module to the surface to filter cotton 13 to filter out the air current, filter cotton 13 in the time of the inside the filter cotton 13 is cleared up.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a combustible gas detector with audible-visual annunciation, includes casing (1), the both sides of casing (1) top all are provided with the connector, and threaded connection has shutoff head (7) on a set of connector, and threaded connection has audible-visual annunciator (8) on another set of connector, terminal subassembly (2), PCB board (3), charactron display piece (4) have been set gradually from supreme down to the inside of casing (1), the top threaded connection of casing (1) has sealed lid (5), its characterized in that: the middle part joint of sealed lid (5) has display screen (6) with charactron display piece (4) complex, the outside below fixed mounting of casing (1) has sensor subassembly (9), and the outside threaded connection of sensor subassembly (9) has interior protection tube (10), outer protection tube (14), the inside joint of interior protection tube (10) has filter cotton (13), the inside fixed mounting of casing (1) has miniature air pump (15) that are located terminal subassembly (2) one side, and fixedly connected with air duct (16) on the gas outlet of miniature air pump (15), the one end fixedly connected with air duct (17) of air duct (16), be provided with on PCB board (3) with miniature air pump (15) complex timer.
2. A combustible gas detector with audible and visual alarm as set forth in claim 1 wherein: the sensor assembly is characterized in that two groups of connecting threads matched with the inner protection tube (10) and the outer protection tube (14) are formed in the outer portion of the sensor assembly (9), the outer protection tube (14) is sleeved on the outer portion of the inner protection tube (10), and two groups of through tubes are arranged at one end, far away from the sensor assembly (9), of the outer protection tube (14).
3. A combustible gas detector with audible and visual alarm as set forth in claim 1 wherein: the inside of interior protection pipe (10) is provided with spacing orifice plate (12), cotton filter (13) are located the outside of spacing orifice plate (12), the one end threaded connection that sensor subassembly (9) was kept away from to interior protection pipe (10) has location end (11).
4. A combustible gas detector with audible and visual alarm as set forth in claim 3 wherein: the surfaces of the limiting orifice plate (12) and the positioning end head (11) are provided with uniformly distributed air holes, and the distance between the limiting orifice plate (12) and the positioning end head (11) is 1-3cm.
5. A combustible gas detector with audible and visual alarm as set forth in claim 1 wherein: the gas guide tube (16) is inlaid in the sensor assembly (9), one end of the gas guide tube (16) extends out of the end part of the sensor assembly (9), and a gas guide ring (17) at the end part of the gas guide tube (16) is positioned in the inner protective tube (10).
6. A combustible gas detector with audible and visual alarm as set forth in claim 5 wherein: the inner ring of the air guide ring (17) is fixedly connected with a plurality of air outlet nozzles (18), and the end parts of the air outlet nozzles (18) incline to the side close to the sensor assembly (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535435.0U CN219657594U (en) | 2023-03-17 | 2023-03-17 | Combustible gas detector with audible and visual alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535435.0U CN219657594U (en) | 2023-03-17 | 2023-03-17 | Combustible gas detector with audible and visual alarm |
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| Publication Number | Publication Date |
|---|---|
| CN219657594U true CN219657594U (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320535435.0U Active CN219657594U (en) | 2023-03-17 | 2023-03-17 | Combustible gas detector with audible and visual alarm |
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| CN (1) | CN219657594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029007A (en) * | 2023-09-12 | 2023-11-10 | 江苏芬纳环保科技有限公司 | Waste incineration flue gas secondary combustion device |
-
2023
- 2023-03-17 CN CN202320535435.0U patent/CN219657594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029007A (en) * | 2023-09-12 | 2023-11-10 | 江苏芬纳环保科技有限公司 | Waste incineration flue gas secondary combustion device |
| CN117029007B (en) * | 2023-09-12 | 2024-05-28 | 江苏芬纳环保科技有限公司 | Waste incineration flue gas secondary combustion device |
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