CN117373216A - Alarm device for combustible gas detector - Google Patents
Alarm device for combustible gas detector Download PDFInfo
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- CN117373216A CN117373216A CN202311680945.8A CN202311680945A CN117373216A CN 117373216 A CN117373216 A CN 117373216A CN 202311680945 A CN202311680945 A CN 202311680945A CN 117373216 A CN117373216 A CN 117373216A
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- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000013016 damping Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 50
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 210000003437 trachea Anatomy 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 81
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
- 235000011089 carbon dioxide Nutrition 0.000 description 11
- 238000003860 storage Methods 0.000 description 11
- 239000011148 porous material Substances 0.000 description 10
- 239000008187 granular material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an alarm device for a combustible gas detector, which comprises a fixed plate, wherein the fixed plate is provided with a plate-shaped structure and a damping spring arranged on one side of the fixed plate, one end of the damping spring, which is far away from the fixed plate, is fixedly connected with a limiting support plate, one side of the limiting support plate, which is far away from the damping spring, is provided with a detector assembly, the top of the detector assembly is provided with a buzzer alarm assembly, and the bottom of the detector assembly is provided with a detector head; the invention relates to the technical field of combustible gas alarming, in particular to a gas treatment device which is used for sucking external gas and filtering the external gas. The alarm device for the flammable gas detector can prevent dust in the external air from entering the detection spherical shell along with the gas to interfere with the detection head, and improves the detection alarm precision.
Description
Technical Field
The invention relates to the technical field of flammable gas alarm, in particular to an alarm device for a flammable gas detector.
Background
The flammable gas detector is a detector that is responsive to a single or multiple flammable gas concentrations. With the rapid development of urban gas, natural gas industry and chemical industry, the variety and application range of flammable and explosive gases are continuously increased, and once the flammable and explosive gases leak in the production and use processes, serious accidents such as poisoning, fire disaster, explosion and the like can be caused. When the combustible gas leaks in the industrial environment and the daily living environment, the combustible gas alarm detects that the concentration of the combustible gas reaches the alarm value set by the alarm, the combustible gas alarm can send out sound and light alarm signals to remind people to evacuate, forcibly exhaust air, shut down equipment and other safety measures, and the gas alarm can be linked with related linkage equipment such as leakage in factory production, storage and transportation, can drive the air exhaust, power supply cutting, spraying and other systems to prevent explosion, fire and poisoning accidents, thereby ensuring safe production and being frequently used in chemical plants, petroleum, gas stations, steel plants and the like. While people are increasingly paying attention to safe production and production technology, flammable gas monitoring alarms are being widely used in these fields.
The existing device can not pretreat the detected gas when detecting the gas, dust and impurities in the gas are easy to blow to the detecting head along with the gas, so that the detecting head is easy to be interfered by the impurities, and the detection alarm precision is lower.
Disclosure of Invention
In order to solve the technical problems, the invention provides: the alarm device for the flammable gas detector comprises a fixed plate, wherein the fixed plate is provided with a plate-shaped structure, and a damping spring arranged on one side of the fixed plate, one end of the damping spring, which is far away from the fixed plate, is fixedly connected with a limiting support plate, one side of the limiting support plate, which is far away from the damping spring, is provided with a detector assembly, the top of the detector assembly is provided with a buzzing alarm assembly, and the bottom of the detector assembly is provided with a detector head;
the gas treatment device is used for sucking external gas and filtering, the gas treatment device comprises a bidirectional air pump, an elastic filter screen, a shaking device and a cooling device, the bidirectional air pump pumps the external gas to the elastic filter screen, the gas is filtered through the elastic filter screen, impurities attached to the elastic filter screen are cleaned through the shaking device, the cooling device dissipates heat of the detector assembly, and the gas treatment device is arranged on the outer side of the detector head.
Preferably, the fixed plate is fixedly connected with a fixed lug, the fixed lug is provided with a plurality of groups, the damping springs are provided with a plurality of groups, and one end of each damping spring, which is far away from the limiting support plate, is fixedly connected with the fixed plate.
Preferably, the gas treatment device further comprises a detection spherical shell, the detection spherical shell is sleeved on the detection head, an air inlet hole is formed in the bottom of the detection spherical shell, the inner wall of the detection spherical shell is fixedly connected with the shaking device through a supporting frame, one side of the bidirectional air pump is communicated with an exhaust pipe, the bottom of the bidirectional air pump is communicated with a communication air pipe, the bidirectional air pump is started to pump external gas into the detection spherical shell from the air inlet hole, the external gas is blown to the detection head, the detection head is utilized to detect the entering gas, the buzzer alarm assembly is controlled to work through the detector assembly, after the concentration of the combustible gas in the external air detected by the detection head reaches a certain standard, the buzzer alarm assembly is controlled to alarm through the detector assembly, the gas entering the detection spherical shell from the air inlet hole is filtered through an elastic filter screen, and then discharged into the detection spherical shell, dust in the external air is prevented from entering the detection spherical shell along with the gas to interfere the detection head, the detection alarm accuracy is improved, and meanwhile the combustible gas is pumped to the detection head so that the combustible gas can be detected by the detection head more quickly.
Preferably, the bottom of the detecting head extends into the detecting spherical shell and is fixedly connected with the detecting spherical shell through a sealing gasket, the outer wall of the elastic filter screen is fixedly connected with the inner wall of the air inlet hole through a sealing ring, the bidirectional air pump is arranged on one side of the fixing plate and is fixedly connected with the fixing plate, and one end of the communication air pipe, which is far away from the bidirectional air pump, is communicated with the detecting spherical shell.
Preferably, the communicating air pipe is arranged into an L-shaped tubular structure, the elastic filter screen is arranged into an annular structure, and the supporting frame is provided with two groups and symmetrically distributed on the inner wall of the detecting spherical shell.
Preferably, the shaking device comprises a supporting column, a limit groove is arranged on the outer side of the supporting column, an electric sliding rail is fixedly connected to the inner side of the limit groove, a sliding sleeve is arranged on the inner side of the elastic filter screen, the electric sliding rail is in sliding connection with the sliding sleeve through electric sliding, the electric sliding rail is opened to drive the sliding sleeve to slide downwards along the limit groove through the electric sliding block in the inner part, the sliding sleeve slides downwards and simultaneously pulls the elastic filter screen, meanwhile, the directions of air inlet and air outlet are changed through a bidirectional air pump, air is pumped to a communicating air pipe to enter the detecting spherical shell through a cooling device and an exhaust pipe, finally the air is blown out from an air inlet, the elastic filter screen is downwards protruded under the pulling of the sliding sleeve, the elastic filter screen is downwards protruded and simultaneously stretched due to the pulling of the sliding sleeve, and a filter hole on the elastic filter screen is enlarged, the impurity accumulated in the filter holes can fall off from the filter holes when the filter holes become larger, dust adhered to the surface of the elastic filter screen and in the filter holes is cleaned, the outer side of the support column is rotationally connected with a tightening rod through a rotating seat, one end of the tightening rod away from the rotating seat is fixedly connected with an arc-shaped support rod, one side of the tightening rod is provided with an arc-shaped spring, the top of the arc-shaped support rod is provided with a groove, the inner wall of the groove is rotationally connected with a rotating column through a rotating support, the outer side of the rotating column is sleeved with an annular block, the outer side of the annular block is fixedly connected with a rubber bump, when the electric sliding rail drives the sliding sleeve to slide downwards through an electric sliding block inside, the arc-shaped support rod is continuously extruded when the elastic filter screen protrudes downwards, the arc-shaped support rod is downwards pressed and continuously rotates around the rotating seat to deflect, the elastic filter screen is in continuous contact with the annular block and the rubber lug, the annular block and the rubber lug drive the rotary column to rotate through friction force, the rotating rubber lug continuously impacts the elastic filter screen, dust attached to the bottom of the filter screen is shaken off, and cleaning efficiency is improved.
Preferably, the outer wall of support column is close to the one end fixed connection of top and support frame, slip sleeve cover is established in the outside of support column and with support column sliding connection, the one end that the arc spring kept away from the tight pole in top and the outer wall fixed connection of support column.
Preferably, the limit grooves are formed in two groups and symmetrically distributed on the support columns, the tightening rods are in arc structures, the rotating seats are arranged in two groups and symmetrically distributed on two sides of the support columns, and the rotating seats and the limit grooves are arranged in a staggered mode.
Preferably, the annular blocks are provided with a plurality of groups and are uniformly distributed on the rotating column, and the rubber bumps are provided with a plurality of groups and are uniformly distributed on the outer side of the annular blocks.
Preferably, the cooling device comprises an annular cooling pipe, the cooling mouth has evenly been seted up to one side that the annular cooling pipe is close to the detector subassembly, the outside symmetry intercommunication of annular cooling pipe has the arc return bend, the arc return bend and the blast pipe intercommunication of annular cooling pipe one side, the arc return bend fixedly connected with reinforcing bracket of annular cooling pipe opposite side, the one end and the spacing backup pad fixed connection of arc return bend are kept away from to reinforcing bracket, the top intercommunication of annular cooling pipe has the storage tank, the inside of storage tank is filled with dry ice granule, the top intercommunication of storage tank has the interpolation mouth, the bottom of storage tank extends to the inside of annular cooling pipe and installs quantitative discharge mouth, in the arc return bend is got into to the arc return bend through blast pipe exhaust gas, gets into the annular cooling pipe by the arc return bend, finally blows to the detector subassembly from the cooling mouth on the annular cooling pipe, opens quantitative discharge mouth and discharges dry ice granule in the annular cooling pipe, along with the discharge of dry ice granule, the gas that the dry ice changed into together blows to the detector subassembly surface along with the gas in the annular cooling pipe, can improve the efficiency to the detector subassembly cooling.
The invention provides an alarm device for a combustible gas detector. The beneficial effects are as follows:
1. this alarm device for combustible gas detector, through gas processing apparatus's installation, open two-way air pump and take out external gas from the inlet port to the detection spherical shell in, blow external gas to the detecting head, utilize the detecting head to survey the gaseous detection of entering, and through detector assembly control buzzing alarm component work, after the detecting head detects the concentration of combustible gas in the external air and reach certain standard, can report to the police through detector assembly control buzzing alarm component, the gas that gets into in the detection spherical shell from the inlet port is first through the filtration of elastic filter screen, the elastic filter screen is in the detection spherical shell with gas filtration again, avoid the dust in the external air to get into the detection spherical shell along with the gas together to interfere the detecting head in, improve the precision of detection alarm, simultaneously with gas pumping to detecting head department can make combustible gas more quick by the detecting head detect.
2. This alarm device for combustible gas detector, through the installation of shaking device, open electronic slide rail and drive sliding sleeve along spacing recess downwardly sliding through inside electronic slider, the sliding sleeve is the pulling elasticity filter screen when gliding, simultaneously change the direction of air inlet and air-out through two-way air pump, in reentrant detection spherical shell of intercommunication trachea is taken out gas through cooling device and blast pipe, blow out from the inlet port at last, the elasticity filter screen is protruding downwards under sliding sleeve's pulling, because sliding sleeve's pulling makes the stretching out when the elasticity filter screen is protruding downwards, the filtration pore on the elasticity filter screen enlarges, make the impurity of piling up inside the filtration pore can drop from the filtration pore when the filtration pore grow, dust clearance on elasticity filter screen surface and in the filtration pore will be attached to.
3. This alarm device for combustible gas detector, through the installation of tight pole in top and arc branch, when electronic slide rail drove the slip sleeve through inside electronic slider, because the top of arc branch extends to the bottom one side of elastic filter screen, constantly extrude arc branch when the elastic filter screen is protruding downwards, push down arc branch and constantly revolute the seat of rotating and deflect, elastic filter screen and annular piece and rubber lug constantly contact, annular piece and rubber lug drive the column spinner through frictional force and rotate, pivoted rubber lug constantly strikes elastic filter screen, shake off the dust that will attach in the filter screen bottom, improve cleaning efficiency.
4. This alarm device for combustible gas detector, through cooling device's installation, in blast pipe exhaust gas gets into the arc return bend, get into annular cooling tube by the arc return bend, finally blow to the detector module from the cooling hole on the annular cooling tube, open quantitative discharge mouth and discharge the dry ice granule in the storage tank to the annular cooling tube in, along with the discharge of dry ice granule, the gas that dry ice sublimation became blows to the detector module surface along with the gas in the annular cooling tube together, can improve the refrigerated efficiency of detector module.
Drawings
FIG. 1 is a schematic diagram of the structure of an alarm device for a flammable gas detector of the present invention;
FIG. 2 is a schematic view of a spacing support plate according to the present invention;
FIG. 3 is a schematic view showing the internal structure of the gas treatment apparatus of the present invention;
FIG. 4 is a schematic view of the internal structure of the detecting spherical shell according to the present invention;
FIG. 5 is a schematic diagram of a dithering apparatus according to the present invention;
FIG. 6 is a schematic view of a support column according to the present invention;
FIG. 7 is a schematic view of an arcuate strut according to the present invention;
FIG. 8 is a schematic view of a cooling device according to the present invention;
fig. 9 is a schematic view showing the internal structure of the annular cooling tube of the present invention.
In the figure: 1. a fixing plate; 2. a damping spring; 3. a limit support plate; 4. a detector assembly; 5. a buzzer alarm component; 6. a probe; 7. a gas treatment device; 71. a two-way air pump; 72. an elastic filter screen; 73. a dithering device; 731. a support column; 732. a limit groove; 733. an electric slide rail; 734. a sliding sleeve; 735. a rotating seat; 736. a pushing rod is tightly pressed; 737. an arc-shaped supporting rod; 738. an arc spring; 739. a groove; 7310. a spin column; 7311. an annular block; 7312. rubber bumps; 74. a cooling device; 741. an annular cooling tube; 742. a cooling port; 743. an arc-shaped bent pipe; 744. reinforcing the support; 745. a storage tank; 746. adding a nozzle; 747. a quantitative discharge nozzle; 75. detecting a spherical shell; 76. an air inlet hole; 77. a support frame; 78. an exhaust pipe; 79. communicating with the air pipe.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1 to 7, the present invention provides a technical solution: the alarm device for the flammable gas detector comprises a fixed plate 1, wherein the fixed plate 1 is provided with a plate-shaped structure and a damping spring 2 arranged on one side of the fixed plate 1, one end of the damping spring 2 away from the fixed plate 1 is fixedly connected with a limiting support plate 3, one side of the limiting support plate 3 away from the damping spring 2 is provided with a detector assembly 4, the top of the detector assembly 4 is provided with a buzzer alarm assembly 5, and the bottom of the detector assembly 4 is provided with a detector head 6;
the gas treatment device 7, this gas treatment device 7 is used for inhaling outside gas and filters, and gas treatment device 7 includes two-way air pump 71, elasticity filter screen 72, shake device 73 and cooling device 74, and two-way air pump 71 is taken out outside gas to elasticity filter screen 72, carries out filtration treatment to gas through elasticity filter screen 72, clears up the impurity that adheres to on the elasticity filter screen 72 through shake device 73, and cooling device 74 dispels the heat to detector module 4, and gas treatment device 7 sets up in the outside of detector head 6.
Fixed lugs are fixedly connected to the fixed plate 1, a plurality of groups of fixed lugs are arranged, a plurality of groups of damping springs 2 are arranged, and one end, away from the limiting support plate 3, of each damping spring 2 is fixedly connected with the fixed plate 1.
The gas treatment device 7 further comprises a detection spherical shell 75, the detection spherical shell 75 is sleeved on the detection head 6, an air inlet 76 is formed in the bottom of the detection spherical shell 75, the inner wall of the detection spherical shell 75 is fixedly connected with the shaking device 73 through a supporting frame 77, one side of the bidirectional air pump 71 is communicated with an exhaust pipe 78, and the bottom of the bidirectional air pump 71 is communicated with a communication air pipe 79.
The bottom of the detecting head 6 extends into the detecting spherical shell 75 and is fixedly connected with the detecting spherical shell 75 through a sealing gasket, the outer wall of the elastic filter screen 72 is fixedly connected with the inner wall of the air inlet 76 through a sealing ring, the bidirectional air pump 71 is arranged on one side of the fixing plate 1 and is fixedly connected with the fixing plate 1, and one end, far away from the bidirectional air pump 71, of the communication air pipe 79 is communicated with the detecting spherical shell 75.
The communication air pipe 79 is arranged into an L-shaped tubular structure, the elastic filter screen 72 is arranged into an annular structure, and the supporting frame 77 is provided with two groups and symmetrically distributed on the inner wall of the detecting spherical shell 75.
The shake device 73 includes the support column 731, spacing recess 732 has been seted up in the outside of support column 731, the inside fixedly connected with electronic slide rail 733 of spacing recess 732, slide sleeve 734 is installed to the inboard of elastic filter screen 72, electronic slip and slide sleeve 734 sliding connection are passed through to the inside of electronic slide rail 733, the outside of support column 731 is connected with tight pole 736 through rotating seat 735 rotation, the one end fixedly connected with arc branch 737 of seat 735 is kept away from to tight pole 736 in the top, arc spring 738 is installed to one side of tight pole 736 in the top, recess 739 has been seted up at the top of arc branch 737, the inner wall of recess 739 is connected with column 7310 through rotating the support rotation, the outside cover of column 7310 is equipped with annular piece 7311, annular piece 7311's outside fixedly connected with rubber lug 7312.
The outer wall of the support column 731 is close to the top and fixedly connected with one end of the support frame 77, the sliding sleeve 734 is sleeved on the outer side of the support column 731 and is in sliding connection with the support column 731, and one end of the arc spring 738, which is far away from the jacking rod 736, is fixedly connected with the outer wall of the support column 731.
The spacing recess 732 has seted up two sets of and symmetric distribution on the support column 731, and the tight pole 736 of top sets up to the arc structure, and the rotation seat 735 is provided with two sets of and symmetric distribution in the both sides of support column 731, rotates seat 735 and spacing recess 732 staggered arrangement.
The annular block 7311 is provided with a plurality of groups and uniformly distributed on the rotation column 7310, and the rubber bump 7312 is provided with a plurality of groups and uniformly distributed outside the annular block 7311.
When the gas detecting head is used, the bidirectional air pump 71 is started to pump external gas into the detecting spherical shell 75 from the air inlet 76, the external gas is blown to the detecting head 6, the detecting head 6 is used for detecting the entering gas, the buzzer alarm assembly 5 is controlled to work through the detector assembly 4, when the detecting head 6 detects that the concentration of the combustible gas in the external air reaches a certain standard, the buzzer alarm assembly 5 is controlled to alarm through the detector assembly 4, the gas entering the detecting spherical shell 75 from the air inlet 76 is filtered by the elastic filter screen 72, the gas is filtered by the elastic filter screen 72 and then is discharged into the detecting spherical shell 75, dust in the external air is prevented from entering the detecting spherical shell 75 along with the gas to interfere with the detecting head 6, the detecting alarm accuracy is improved, and meanwhile, the combustible gas is pumped to the detecting head 6 to enable the combustible gas to be detected by the detecting head 6 more quickly.
Opening electric slide rail 733 drives sliding sleeve 734 to slide downwards along spacing recess 732 through inside electric slide, sliding sleeve 734 slides downwards and pulls elastic filter screen 72 simultaneously, change the direction of air inlet and air-out through two-way air pump 71 simultaneously, it is interior to reentrant detection spherical shell 75 with gas suction to intercommunication trachea 79 through cooling device 74 and blast pipe 78, blow out from inlet port 76 at last, elastic filter screen 72 is protruding downwards under sliding sleeve 734's pulling, because sliding sleeve 734's pulling makes elastic filter screen 72 stretch out downwards bellied while, the filtration pore on the elastic filter screen 72 enlarges, make the impurity of piling up inside the filtration pore can drop from the filtration pore when the filtration pore grow, dust clearance in the adhesion at elastic filter screen 72 surface and the filtration pore.
When the electric sliding rail 733 drives the sliding sleeve 734 to slide downwards through the electric sliding block inside, as the top of the arc-shaped supporting rod 737 extends to one side of the bottom of the elastic filter screen 72, the arc-shaped supporting rod 737 is continuously extruded when the elastic filter screen 72 protrudes downwards, the arc-shaped supporting rod 737 is pressed downwards and continuously deflects around the rotating seat 735, the elastic filter screen 72 is continuously contacted with the annular block 7311 and the rubber lug 7312, the annular block 7311 and the rubber lug 7312 drive the rotating column 7310 to rotate through friction force, the rotating rubber lug 7312 continuously impacts the elastic filter screen 72, dust attached to the bottom of the filter screen is shaken off, and cleaning efficiency is improved.
Referring to fig. 1-9, the present invention provides a technical solution: on the basis of the first embodiment, the cooling device 74 comprises an annular cooling tube 741, cooling ports 742 are uniformly formed in one side, close to the detector assembly 4, of the annular cooling tube 741, arc-shaped bent tubes 743 are symmetrically communicated with the outer side of the annular cooling tube 741, the arc-shaped bent tubes 743 on one side of the annular cooling tube 741 are communicated with the exhaust tube 78, reinforcing supports 744 are fixedly connected to the arc-shaped bent tubes 743 on the other side of the annular cooling tube 741, one ends, far away from the arc-shaped bent tubes 743, of the reinforcing supports 744 are fixedly connected with the limiting support plate 3, storage tanks 745 are communicated with the top of the annular cooling tube 741, dry ice particles are filled in the storage tanks 745, adding nozzles 746 are communicated with the top of the storage tanks 745, and quantitative discharging nozzles 747 are arranged and extend to the inner parts of the annular cooling tube 741.
When the detector is used, gas exhausted through the exhaust pipe 78 enters the arc-shaped bent pipe 743, enters the annular cooling pipe 741 through the arc-shaped bent pipe 743, finally is blown to the detector assembly 4 from the cooling port 742 on the annular cooling pipe 741, the quantitative discharge nozzle 747 is opened to discharge dry ice particles in the storage tank 745 into the annular cooling pipe 741, and along with the discharge of the dry ice particles, the gas changed by sublimation of the dry ice is blown to the surface of the detector assembly 4 along with the gas in the annular cooling pipe 741, so that the cooling efficiency of the detector assembly 4 can be improved.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. The utility model provides a combustible gas alarm device for detector, includes fixed plate (1), its characterized in that:
the fixing plate (1) is provided with a plate-shaped structure and a damping spring (2) arranged on one side of the fixing plate (1), one end, far away from the fixing plate (1), of the damping spring (2) is fixedly connected with a limiting support plate (3), one side, far away from the damping spring (2), of the limiting support plate (3) is provided with a detector assembly (4), the top of the detector assembly (4) is provided with a buzzer alarm assembly (5), and the bottom of the detector assembly (4) is provided with a detector head (6);
the gas treatment device (7), this gas treatment device (7) are used for inhaling outside gas and filtering, gas treatment device (7) are including two-way air pump (71), elasticity filter screen (72), shake device (73) and cooling device (74), two-way air pump (71) are taken out outside gas to elasticity filter screen (72), carry out filtration treatment to gas through elasticity filter screen (72), clear up the impurity that adheres to on elasticity filter screen (72) through shake device (73), cooling device (74) dispel the heat to detector module (4), gas treatment device (7) set up in the outside of detecting head (6).
2. An alarm device for a flammable gas detector according to claim 1, wherein: fixed lugs are fixedly connected to the fixed plate (1), a plurality of groups of fixed lugs are arranged, a plurality of groups of damping springs (2) are arranged, and one end, away from the limiting support plate (3), of each damping spring (2) is fixedly connected with the fixed plate (1).
3. An alarm device for a flammable gas detector according to claim 1, wherein: the gas treatment device (7) further comprises a detection spherical shell (75), the detection spherical shell (75) is sleeved on the detection head (6), an air inlet hole (76) is formed in the bottom of the detection spherical shell (75), the inner wall of the detection spherical shell (75) is fixedly connected with the shaking device (73) through a supporting frame (77), one side of the bidirectional air pump (71) is communicated with an exhaust pipe (78), and the bottom of the bidirectional air pump (71) is communicated with a communication air pipe (79).
4. A combustible gas detector alarm device as claimed in claim 3, wherein: the bottom of detecting head (6) extends to in detecting spherical shell (75) and through sealed pad and detection spherical shell (75) fixed connection, the outer wall of elasticity filter screen (72) passes through sealing washer and the inner wall fixed connection of inlet port (76), two-way air pump (71) set up in one side of fixed plate (1) and with fixed plate (1) fixed connection, one end that two-way air pump (71) were kept away from to intercommunication trachea (79) communicates with detection spherical shell (75).
5. A combustible gas detector alarm device as claimed in claim 3, wherein: the communication air pipe (79) is of an L-shaped tubular structure, the elastic filter screen (72) is of an annular structure, and the support frames (77) are provided with two groups and are symmetrically distributed on the inner wall of the detection spherical shell (75).
6. A combustible gas detector alarm device as claimed in claim 3, wherein: the shake device (73) comprises a support column (731), spacing recess (732) is seted up in the outside of support column (731), electronic slide rail (733) is fixedly connected with in the inside of spacing recess (732), sliding sleeve (734) is installed to the inboard of elastic filter screen (72), electronic slip and sliding sleeve (734) sliding connection are passed through in the inside of electronic slide rail (733), the outside of support column (731) is connected with tight pole (736) through rotating seat (735) rotation, the one end fixedly connected with arc branch (737) of seat (735) are kept away from to tight pole (736) of top, arc spring (738) are installed to one side of tight pole (736) of top, recess (739) are seted up at the top of arc branch (737), the inner wall of recess (739) is connected with spliced pole (7310) through rotating the rotation support rotation, the outside cover of spliced pole (7310) is equipped with annular piece (7311), the outside fixedly connected with rubber lug (7312) of annular piece (7311).
7. An alarm device for a flammable gas detector according to claim 6, wherein: the outer wall of support column (731) is close to the position of top and the one end fixed connection of support frame (77), slip sleeve (734) cover is established in the outside of support column (731) and is connected with support column (731) sliding, the one end that pushing up tight pole (736) was kept away from to arc spring (738) is connected with the outer wall fixed of support column (731).
8. An alarm device for a flammable gas detector according to claim 6, wherein: two sets of limit grooves (732) are formed in the support columns (731) in a symmetrical mode, the tightening rods (736) are of arc-shaped structures, two sets of rotary seats (735) are arranged on two sides of the support columns (731) in a symmetrical mode, and the rotary seats (735) and the limit grooves (732) are arranged in a staggered mode.
9. An alarm device for a flammable gas detector according to claim 6, wherein: the annular blocks (7311) are provided with a plurality of groups and are uniformly distributed on the rotating column (7310), and the rubber bumps (7312) are provided with a plurality of groups and are uniformly distributed outside the annular blocks (7311).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680945.8A CN117373216B (en) | 2023-12-08 | 2023-12-08 | Alarm device for combustible gas detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311680945.8A CN117373216B (en) | 2023-12-08 | 2023-12-08 | Alarm device for combustible gas detector |
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| CN117373216B CN117373216B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311680945.8A Active CN117373216B (en) | 2023-12-08 | 2023-12-08 | Alarm device for combustible gas detector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589520A (en) * | 1967-11-07 | 1971-06-29 | John Thorne | Filtering apparatus |
| CN108956894A (en) * | 2018-08-09 | 2018-12-07 | 公安部四川消防研究所 | Fire strile-backs early warning system and method for early warning |
| CN113230781A (en) * | 2021-05-17 | 2021-08-10 | 李淑娟 | Wheat burning raise dust filtering and collecting device |
| CN116469230A (en) * | 2023-04-21 | 2023-07-21 | 吴端端 | Alarm for detecting combustible gas |
| CN116786539A (en) * | 2023-06-19 | 2023-09-22 | 佛山市鑫新新材料有限公司 | Cleaning and recycling device for dust attached to inside of powder tank |
-
2023
- 2023-12-08 CN CN202311680945.8A patent/CN117373216B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589520A (en) * | 1967-11-07 | 1971-06-29 | John Thorne | Filtering apparatus |
| CN108956894A (en) * | 2018-08-09 | 2018-12-07 | 公安部四川消防研究所 | Fire strile-backs early warning system and method for early warning |
| CN113230781A (en) * | 2021-05-17 | 2021-08-10 | 李淑娟 | Wheat burning raise dust filtering and collecting device |
| CN116469230A (en) * | 2023-04-21 | 2023-07-21 | 吴端端 | Alarm for detecting combustible gas |
| CN116786539A (en) * | 2023-06-19 | 2023-09-22 | 佛山市鑫新新材料有限公司 | Cleaning and recycling device for dust attached to inside of powder tank |
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| CN117373216B (en) | 2024-04-26 |
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