CN116660320A - CO gas detection alarm - Google Patents
CO gas detection alarm Download PDFInfo
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- CN116660320A CN116660320A CN202310916025.5A CN202310916025A CN116660320A CN 116660320 A CN116660320 A CN 116660320A CN 202310916025 A CN202310916025 A CN 202310916025A CN 116660320 A CN116660320 A CN 116660320A
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 52
- 239000002070 nanowire Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002120 nanofilm Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 238000003756 stirring Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- 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
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention discloses a CO gas detection alarm, which comprises: the CO gas detector consists of a shell and a CO gas sensor, wherein the CO gas sensor comprises a Si base, a silicon oxide film, a W film, a WO nanowire film, a SnO nano film, a Pt electrode and a heating module; an alarm; the port of the air inlet pipe is fixedly connected with a dust screen; the air inlet pipe comprises an air inlet pipe and an I-shaped pipe, the dust-proof net bottom end position is provided with an ash-cleaning brush in a fit mode, and a rotating structure is arranged in the air inlet pipe. According to the invention, the dust screen on the air inlet side hole can be cleaned by the telescopic movement of the I-shaped pipe, and the dust cleaning brush is driven to rotate to clean dust on the outer wall of the dust screen at the end of the I-shaped pipe, so that the dust screen is prevented from being blocked by dust, the smoothness of gas entering from the air inlet pipe is improved, and the detection precision of the CO gas sensor is improved.
Description
Technical Field
The invention relates to the technical field of gas alarms, in particular to a CO gas detection alarm.
Background
The gas alarm is a gas leakage detection alarm, and the working principle is that when specific gas such as combustibility or toxicity leaks in the working environment, the gas alarm can send out an alarm signal after detecting a set value of the gas concentration so as to remind the safety measures to be taken.
The existing alarm for detecting CO gas generally consists of an alarm and a gas detector, the gas in the air is detected by a CO gas sensor in the gas detector, and when the CO gas sensor detects that the content of CO in the air exceeds a preset standard value, a signal is transmitted to the alarm, so that the alarm gives out audible and visual alarm to achieve the warning effect.
The CO sensor in the gas alarm is generally arranged in a shell, an air inlet pipe for gas circulation is arranged on the shell, the flow quantity of air inlet pipe air inlet and the smoothness of air circulation directly influence the detection precision of the CO gas sensor in the air, and the air inlet pipe on the gas alarm is easy to be stained with dust to reduce the aperture and influence the smoothness of air circulation due to long-time use, so that the detection precision of the CO gas sensor on the CO gas in the air is reduced.
Disclosure of Invention
The invention aims to provide a CO gas detection alarm for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a CO gas detection alarm comprising:
the CO gas detector consists of a shell and a CO gas sensor, and a cable tube for cable transmission is fixedly connected to the side wall of the shell;
the alarm is electrically connected with the CO gas sensor and used for audible and visual alarm;
the air inlet pipe is fixedly communicated with the inside of the shell and used for conveying external air, and a dustproof net is fixedly connected to the port of the air inlet pipe;
the CO gas sensor comprises a Si base, wherein a silicon oxide film is arranged at the top end of the Si base, a W film is arranged at the top end of the silicon oxide film, a WO3 nanowire film is arranged at the top end of the W film, a SnO2 nanowire film is arranged at the top end of the WO3 nanowire film, two Pt electrodes are symmetrically arranged at the top end of the SnO2 nanowire film, and a heating module is arranged at one side, away from the silicon oxide film, of the Si base;
the air inlet pipe comprises an air inlet cylinder and an I-shaped pipe movably inserted into the bottom of the air inlet cylinder, and the bottom of the inner side of the I-shaped pipe is fixedly connected with a retainer for supporting and fixing a dust screen;
the laminating of dust screen bottom position is equipped with the deashing brush, be provided with revolution mechanic in the intake pipe for the rotatory drive of deashing brush, revolution mechanic includes:
the screw rod is fixedly connected to the top of the inner side of the air inlet cylinder;
the bottom of the connecting pipe is rotationally connected with the retainer, the top of the inner side of the connecting pipe is fixedly connected with a circular plate, and the middle of the circular plate is provided with a special-shaped connecting hole matched with the screw rod;
the outer wall of the connecting shaft is movably connected with the dust screen and the retainer in a penetrating way and is used for connecting the ash cleaning brush and the connecting pipe;
and two ends of the first spring are fixedly connected with the top of the inner side of the air inlet cylinder and the top end of the I-shaped pipe respectively.
Preferably, a plurality of air inlet side holes are formed in the outer wall of the I-shaped pipe at intervals, a plurality of dustproof nets are fixedly connected in the air inlet side holes, two arc-shaped brush plates are symmetrically and fixedly connected at the bottom end of the air inlet cylinder, and a pasting piece is arranged between the arc-shaped brush plates and the air inlet cylinder.
Preferably, the limit side fixedly connected with bracing piece of holder, the bracing piece top rotates and is connected with the pole of beating that can turn round automatically, dust screen top just is located and beats rod end position department fixedly connected with elasticity metal pole, the outer wall fixedly connected with of connecting pipe stirs the pole, it is located same level with elasticity metal pole to stir the pole.
Preferably, the connecting shaft comprises polygon post and threaded rod, threaded rod fixed connection deviates from the one end of connecting pipe in polygon post, the polygon through-hole with polygon post assorted is seted up to the deashing brush tip, threaded rod tip threaded connection has stop nut, be equipped with the second spring between stop nut and the deashing brush.
Preferably, the middle part fixedly connected with go-between of dust screen bottom, go-between and ash removal brush just are all symmetrical fixedly connected with two arc lugs to one side.
Preferably, the bottom fixedly connected with base of CO gas detector, one side that the base deviates from the CO gas detector is equipped with two mobilizable locking clamp splice, two be provided with the mount pad between the locking clamp splice, mount pad both ends outer wall all is the inclined plane form, locking clamp splice inboard offered with mount pad tip assorted draw-in groove.
Preferably, the bottom swing joint of base has the connection slider of translation, the outer wall of connection slider and locking clamp splice outer wall fixed connection, two fixedly connected with elastic expansion piece between the connection slider, the inboard of base is equipped with positioning mechanism for the fixed of connection slider position.
Preferably, the positioning mechanism comprises a driving plate movably arranged on the inner side of the base and capable of moving up and down, tooth groove parts are fixedly connected to one sides of the driving plate opposite to the connecting sliding block, the tooth groove parts on the driving plate and the connecting sliding block are arranged in a central symmetry mode, and a third spring is fixedly connected between the outer wall of the driving plate and the top of the inner side of the base.
Preferably, the elastic expansion piece comprises a limiting pipe, two ends of the limiting pipe are movably connected with T-shaped rods in a penetrating mode, a fourth spring is fixedly connected between the two T-shaped rods, and one ends, deviating from the T-shaped rods, of the two T-shaped rods are fixedly connected with the two connecting sliding blocks respectively.
Preferably, the tip of locking clamp splice is equipped with outer convex part, the inboard rotation of outer convex part is connected with auxiliary roller, the outer wall and the mount pad outer wall laminating setting of auxiliary roller.
The invention has the technical effects and advantages that:
according to the invention, the air inlet pipe is arranged into a structure that the air inlet pipe and the I-shaped pipe are movably sleeved, and the I-shaped pipe is telescopically moved to clean the dust screen on the air inlet side hole by matching with the spiral rod, the first spring, the connecting pipe and the special-shaped connecting hole matched with the spiral rod on the circular plate at the port of the connecting pipe in the air inlet pipe, so that the dust screen is prevented from being blocked by dust, the smoothness of gas entering from the air inlet pipe is improved, and the detection precision of the CO gas sensor is improved;
according to the invention, the support rod, the knocking rod, the poking rod and the elastic metal rod are arranged between the connecting pipe, the retainer and the dust screen, so that the knocking rod can be poked to intermittently knock the elastic metal rod while the I-shaped pipe moves upwards to drive the connecting pipe to rotate, vibration is generated after the elastic metal rod is impacted and is transmitted to the dust screen to cause resonance, and the resonance is utilized to achieve auxiliary dust removal for dust prevention, so that the dust removal effect is further improved;
according to the invention, the connecting ring arranged between the ash removing brush and the dust screen is matched with the arc-shaped protruding blocks and the second springs arranged on the opposite sides of the connecting ring and the ash removing brush, so that the ash removing brush can intermittently jump in the rotating process, and residual dust on the ash removing brush is shaken off by utilizing the shake of the ash removing brush, so that the dust removing effect on the ash removing brush is achieved, and the ash removing effect of the ash removing brush on the dust screen is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a cross-sectional structure of an intake duct of the present invention in plan view.
Fig. 3 is a schematic view of a partial enlarged structure at a of fig. 2 according to the present invention.
Fig. 4 is a schematic view of a partial enlarged structure at B of fig. 2 according to the present invention.
Fig. 5 is a schematic view showing a partial perspective structure of a connection pipe according to the present invention.
Fig. 6 is a schematic view of a partial perspective structure of a connecting shaft according to the present invention.
Fig. 7 is a schematic perspective view of a resonant dust removing mechanism according to the present invention.
FIG. 8 is a schematic side view in partial cross-section of the present invention.
Fig. 9 is a schematic side sectional view of the mounting base of the present invention.
Fig. 10 is a schematic diagram of the structure of the CO gas sensor according to the present invention.
In the figure: 1. a CO gas detector; 11. a Si base; 12. a silicon oxide film; 13. a W film; 14. WO3 nanowire films; 15. SnO2 nano-films; 16. a Pt electrode; 17. a heating module; 2. an alarm; 3. a cable tube; 4. an air inlet pipe; 41. an air inlet cylinder; 42. an I-shaped tube; 421. an air inlet side hole; 422. arc brush plate; 423. an adhesive member; 43. a dust screen; 44. a retainer; 441. a support rod; 442. knocking a rod; 443. a toggle rod; 444. an elastic metal rod; 5. a dust removing brush; 501. a connecting ring; 502. arc-shaped protruding blocks; 503. a second spring; 504. a limit nut; 51. a connecting pipe; 511. a circular plate; 512. a special-shaped connecting hole; 52. a screw rod; 53. a first spring; 54. a connecting shaft; 541. polygonal columns; 542. a threaded rod; 6. a base; 601. the connecting slide block; 602. a driving plate; 603. a tooth slot portion; 604. a third spring; 605. a limiting tube; 606. a T-shaped rod; 607. a fourth spring; 61. a mounting base; 62. locking the clamping blocks; 63. an outer protruding portion; 64. and an auxiliary roller.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a CO gas detection alarm
As shown in fig. 1-7 and 10, includes:
the CO gas detector 1, the CO gas detector 1 is composed of a shell and a CO gas sensor, and a cable tube 3 for cable transmission is fixedly connected to the side wall of the shell;
the alarm 2 is electrically connected with the CO gas sensor and is used for audible and visual alarm;
the air inlet pipe 4 is fixedly communicated with the inside of the shell and used for conveying external air, a dust screen 43 is fixedly connected to the port of the air inlet pipe 4, external air enters the CO gas detector 1 from the air inlet pipe 4, the purpose of detecting the concentration of CO in the air is achieved, the dust screen 43 is a wire-type dust screen 43, and the number of the dust screen 43 can be 20-60 meshes according to specific use environments;
the CO gas sensor comprises a Si base 11, a silicon oxide film 12 is arranged at the top end of the Si base 11, a W film 13 is arranged at the top end of the silicon oxide film 12, a WO3 nanowire film 14 is arranged at the top end of the W film 13, a SnO2 nanowire film 15 is arranged at the top end of the WO3 nanowire film 14, two Pt electrodes 16 are symmetrically arranged at the top end of the SnO2 nanowire film 15, a heating module 17 is arranged at one side of the Si base 11, which is away from the silicon oxide film 12, and the CO gas sensor formed by the Si base 11, the silicon oxide film 12, the W film 13, the WO3 nanowire film 14, the SnO2 nanowire film 15, the Pt electrodes 16 and the heating module 17 has high detection response to CO gas and good stability, and specific principles can refer to patent application documents with publication numbers of CN106124572A and the name of alarms based on the CO gas detection function;
the air inlet pipe 4 comprises an air inlet cylinder 41 and an I-shaped pipe 42 movably inserted at the bottom of the air inlet cylinder 41, the bottom of the inner side of the I-shaped pipe 42 is fixedly connected with a retainer 44 for supporting and fixing a dust screen 43, the I-shaped pipe 42 can stretch and retract in the air inlet cylinder 41 by sliding and inserting the I-shaped pipe 42 and the air inlet cylinder 41, the middle part of the top end of the air inlet cylinder 41 is closed, the periphery of the air inlet cylinder is provided with a plurality of ventilation through holes, and as the side wall of the I-shaped pipe 42 is provided with an air inlet side hole 421 with the dust screen 43, the dust removal effect on the air inlet side hole 421 can be realized by the stretch and retraction of the I-shaped pipe 42;
the laminating of dust screen 43 bottom position is equipped with ash removal brush 5, is provided with revolution mechanic in the intake pipe 4 for the rotatory drive of ash removal brush 5, revolution mechanic includes:
a screw rod 52 fixedly connected to the inside top of the air intake cylinder 41;
the bottom of the connecting pipe 51 is rotationally connected with the retainer 44, the top of the inner side of the connecting pipe 51 is fixedly connected with a circular plate 511, the middle part of the circular plate 511 is provided with a special-shaped connecting hole 512 matched with the screw rod 52, the special-shaped connecting hole 512 is rectangular, and two side edges of the rectangle are arc-shaped, so that the connecting pipe can be matched with the screw part of the screw rod 52, and when the circular plate 511 is acted by pushing force, the circular plate 511 moves and rotates on the outer wall of the screw rod 52;
the connecting shaft 54, the outer wall of which is movably connected with the dust screen 43 and the retainer 44 in a penetrating way, is used for connecting the ash cleaning brush 5 and the connecting pipe 51;
the first spring 53, its both ends are fixedly connected with inboard top and top of the I-tube 42 of the air inlet tube 41 separately;
the dust removal principle of the scheme is as follows: when the I-shaped pipe 42 is pressed and stretches, the special-shaped connecting hole 512 formed in the circular plate 511 at the end part of the connecting pipe 51 is matched with the spiral part on the outer wall of the spiral rod 52, so that the connecting pipe 51 can be driven by the spiral part on the outer wall of the spiral rod 52 to rotate when moving up and down along with the I-shaped pipe 42, the circular plate 511 is driven to rotate, the connecting pipe 51 rotates in the vertical moving process, and the connecting pipe 51 drives the ash cleaning brush 5 to rotate in cooperation with the connection of the connecting shaft 54, so that ash cleaning operation on the surface of the dust screen 43 is realized.
In the preferred embodiment, the outer wall interval of the i-tube 42 is provided with a plurality of air inlet side holes 421, the air inlet side holes 421 increase the air inlet flow of the air inlet pipe 4, the detection effect is improved, the dustproof net 43 is fixedly connected in the air inlet side holes 421, two arc brush plates 422 are symmetrically and fixedly connected at the bottom end of the air inlet cylinder 41, the inner side of each arc brush plate 422 is provided with a bristle part, the telescopic movement of the i-tube 42 can enable the arc brush plates 422 and the dustproof net 43 at the air inlet side holes 421 to move relatively, the dust removal effect can be achieved, the adhesive piece 423 is arranged between the arc brush plates 422 and the air inlet cylinder 41, and the adhesive piece 423 can be a magic tape or a magnetic suction piece, so that the arc brush plates 422 and the bottom end of the air inlet cylinder 41 can be disassembled conveniently.
In the preferred embodiment, the side of the holder 44 is fixedly connected with a supporting rod 441, the top end of the supporting rod 441 is rotatably connected with a knock rod 442 capable of automatically rotating, the knock rod 442 and the supporting rod 441 can be connected by a torsion spring to realize the automatic rotation of the knock rod 442 after rotation, meanwhile, the elastic blocking function of a spring steel sheet can be adopted, so that the rotation purpose of the knock rod 442 after rotation is achieved, an elastic metal rod 444 is fixedly connected to the top end of the dust screen 43 and is positioned at the end position of the knock rod 442, a stirring rod 443 is fixedly connected to the outer wall of the connecting pipe 51, the stirring rod 443 and the elastic metal rod 444 are positioned at the same level, the stirring rod 443 rotates while the connecting pipe 51 drives the stirring rod 443 thereon to rotate, the end of the stirring rod 443 contacts with the end of the knock rod 442 and pushes the stirring rod 442 to rotate, the stirring rod 442 automatically rotates after the continuous rotation of the stirring rod 443 is separated from the knock rod 442, the elastic metal rod 444 is impacted, the surface of the elastic metal rod 444 is vibrated, and the vibration is transmitted to the dust screen 43 by the elastic metal rod 444, so that the resonance is generated, and the resonance dust removal effect on the dust screen 43 is achieved.
Wherein, connecting axle 54 comprises polygon post 541 and threaded rod 542, threaded rod 542 fixed connection deviates from the one end of connecting pipe 51 in polygon post 541, the polygon through-hole with polygon post 541 assorted is seted up to ash removal brush 5 tip, the setting of polygon post 541, can with the cooperation of ash removal brush 5 tip polygon through-hole, make both reach relatively fixed, so that ash removal brush 5 rotates along with polygon post 541, threaded rod 542 tip threaded connection has stop nut 504, be equipped with the second spring 503 between stop nut 504 and the ash removal brush 5, stop nut 504 cooperation threaded rod 542, play spacing fixed to ash removal brush 5 simultaneously, cooperation second spring 503 still can take place elasticity lift, so can make things convenient for its self dust removal, still can make things convenient for the dismantlement of ash removal brush 5 to change simultaneously.
Moreover, the middle part fixedly connected with go-between 501 of dust screen 43 bottom, go-between 501 and the equal symmetrical fixedly connected with arc lug 502 of one side that ash removal brush 5 is just right, ash removal brush 5 is when rotating along with connecting pipe 51, utilize the arc lug 502 on ash removal brush 5 and the go-between 501 to contact each other and extrude, make ash removal brush 5 can move down, after the elastic extrusion of cooperation second spring 503 makes adjacent two arc lug 502 separate, ash removal brush 5 rebound, so repeatedly can reach the upper and lower shake of ash removal brush 5, realize the deashing effect to ash removal brush 5 self, make ash removal brush 5 increase the deashing effect of dust screen 43.
As shown in fig. 1, 8 and 9, the bottom end of the CO gas detector 1 is fixedly connected with a base 6, one side of the base 6, which is away from the CO gas detector 1, is provided with two movable locking clamping blocks 62, a mounting seat 61 is arranged between the two locking clamping blocks 62, the outer walls of two end parts of the mounting seat 61 are inclined, clamping grooves matched with the end parts of the mounting seat 61 are formed in the inner sides of the locking clamping blocks 62, the mounting seat 61 is provided with bolt through holes, the locking clamping blocks are conveniently fixed on a mounting bracket or a mounting wall through bolts and the like, and the two locking clamping blocks 62 on the base 6 can be automatically unfolded when being extruded with the outer walls of the two locking clamping blocks through the inclined surfaces of the two sides of the mounting seat 61, so that the mounting and positioning between the locking clamping blocks 62 and the mounting seat 61 are more convenient and accurate;
in the preferred embodiment, the bottom swing joint of base 6 has translatable connection slider 601, connection slider 601's outer wall and locking clamp splice 62 outer wall fixed connection, fixedly connected with elastic expansion piece between two connection sliders 601, the inboard of base 6 is equipped with positioning mechanism for the fixed of connection slider 601 position, the slip setting between connection slider 601 and the base 6, make connection slider 601 can drive locking clamp splice 62 and carry out horizontal migration, cooperation elastic expansion piece can realize the automation of two locking clamp splice 62 and draw close, reach the purpose of automatic centre gripping, when the installation, only need squeeze base 6, utilize the pressure effect, cooperation mount pad 61 both sides inclined plane shape, make two locking clamp splice 62 autosegregation expand, simultaneously after it separates to certain opening degree, accessible elastic expansion piece drives two locking clamp splice 62 again and carries out the centre gripping location to the both ends of mount pad 61, make installation location easy operation convenient.
The positioning mechanism comprises a driving plate 602 movably arranged on the inner side of a base 6 and capable of moving up and down, tooth groove parts 603 are fixedly connected to the opposite sides of the driving plate 602 and the connecting slide block 601, tooth groove parts 603 on the driving plate 602 and the connecting slide block 601 are arranged in a central symmetry mode, a third spring 604 is fixedly connected between the outer wall of the driving plate 602 and the top of the inner side of the base 6, the tooth groove parts 603 on the connecting slide block 601 and the driving plate 602 are utilized to form central symmetry, the opposite sides of the tooth groove parts 603 on the connecting slide block 601 are inclined planes, the opposite sides of the tooth groove parts 603 on the two connecting slide block 601 are inclined planes, limiting of the two locking clamp blocks 62 in the opposite moving direction can be achieved through the tooth groove parts 603, meanwhile, the two locking clamp blocks 62 can continue to press and move in opposite directions, further locking effect is achieved, two ends of the driving plate 602 extend to the outer wall of the base 6, the driving plate 602 is matched with the setting of a third spring 604 to conveniently drive the driving plate 602 to move, the tooth groove parts 603 on the driving plate 602 are separated from the tooth groove parts 603 on the connecting slide block 601, the two locking clamp blocks 62 are enabled to move in opposite directions, limiting positions of the two locking clamp blocks 62 can be achieved, and the two locking clamp blocks can be easily and the inclined planes 61 can be unfolded by utilizing the inclined planes 61 to be matched with the inclined planes to be automatically and convenient to install and the two locking clamp blocks.
Simultaneously, the elastic expansion piece includes spacing pipe 605, and spacing pipe 605 both ends activity interlude is connected with T type pole 606, fixedly connected with fourth spring 607 between two T type poles 606, and two T type poles 606 deviate from one end respectively with two connection slider 601 fixed connection, fourth spring 607 is the elasticity extension spring, can realize the automatic re-setting between two connection slider 601, makes things convenient for two connection slider 601 to drive two locking clamp splice 62 and carries out the centre gripping to mount pad 61.
Moreover, the tip of locking clamp splice 62 is equipped with outer convex part 63, and the inboard rotation of outer convex part 63 is connected with supplementary gyro wheel 64, and the outer wall of supplementary gyro wheel 64 and the laminating of mount pad 61 outer wall set up, outer convex part 63 cooperation supplementary gyro wheel 64 for the direction between the inclined plane of locking clamp splice 62 tip and mount pad 61 is smooth more, makes two locking clamp splice 62 expand more convenient laborsaving through extrusion or pulling on mount pad 61.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A CO gas detection alarm comprising:
the device comprises a CO gas detector (1), wherein the CO gas detector (1) comprises a shell and a CO gas sensor, and a cable tube (3) for cable transmission is fixedly connected to the side wall of the shell;
the alarm (2) is electrically connected with the CO gas sensor and is used for audible and visual alarm;
the air inlet pipe (4) is fixedly communicated with the inside of the shell and used for conveying external air, and a dustproof net (43) is fixedly connected to the port of the air inlet pipe (4);
the method is characterized in that: the CO gas sensor comprises a Si base (11), a silicon oxide film (12) is arranged at the top end of the Si base (11), a W film (13) is arranged at the top end of the silicon oxide film (12), a WO3 nanowire film (14) is arranged at the top end of the W film (13), a SnO2 nanowire film (15) is arranged at the top end of the WO3 nanowire film (14), two Pt electrodes (16) are symmetrically arranged at the top end of the SnO2 nanowire film (15), and a heating module (17) is arranged at one side, deviating from the silicon oxide film (12), of the Si base (11);
the air inlet pipe (4) comprises an air inlet cylinder (41) and an I-shaped pipe (42) movably inserted into the bottom of the air inlet cylinder (41), and a retainer (44) for supporting and fixing a dust screen (43) is fixedly connected to the bottom of the inner side of the I-shaped pipe (42);
the laminating of dust screen (43) bottom position is equipped with deashing brush (5), be provided with revolution mechanic in intake pipe (4) for the rotatory drive of deashing brush (5), revolution mechanic includes:
a screw rod (52) fixedly connected to the top of the inner side of the air inlet cylinder (41);
the bottom of the connecting pipe (51) is rotationally connected with the retainer (44), the top of the inner side of the connecting pipe (51) is fixedly connected with a circular plate (511), and the middle part of the circular plate (511) is provided with a special-shaped connecting hole (512) matched with the screw rod (52);
the outer wall of the connecting shaft (54) is movably connected with the dust screen (43) and the retainer (44) in a penetrating way, and is used for connecting the ash cleaning brush (5) and the connecting pipe (51);
and two ends of the first spring (53) are fixedly connected with the top of the inner side of the air inlet cylinder (41) and the top of the I-shaped tube (42) respectively.
2. The CO gas detection alarm according to claim 1, wherein a plurality of air inlet side holes (421) are formed in the outer wall of the i-shaped tube (42) at intervals, a plurality of dust-proof nets (43) are fixedly connected in the air inlet side holes (421), two arc brush plates (422) are symmetrically and fixedly connected to the bottom end of the air inlet cylinder (41), and adhesive pieces (423) are arranged between the arc brush plates (422) and the air inlet cylinder (41).
3. The CO gas detection alarm according to claim 1, wherein a supporting rod (441) is fixedly connected to the side of the retainer (44), a knock rod (442) capable of automatically rotating is rotatably connected to the top end of the supporting rod (441), an elastic metal rod (444) is fixedly connected to the top end of the dust screen (43) and located at the end position of the knock rod (442), a poking rod (443) is fixedly connected to the outer wall of the connecting pipe (51), and the poking rod (443) and the elastic metal rod (444) are located at the same horizontal height.
4. The CO gas detection alarm according to claim 1, wherein the connecting shaft (54) is composed of a polygonal column (541) and a threaded rod (542), the threaded rod (542) is fixedly connected to one end of the polygonal column (541) deviating from the connecting pipe (51), a polygonal through hole matched with the polygonal column (541) is formed in the end portion of the ash cleaning brush (5), a limit nut (504) is connected to the end portion of the threaded rod (542) in a threaded manner, and a second spring (503) is arranged between the limit nut (504) and the ash cleaning brush (5).
5. The CO gas detection alarm device according to claim 4, wherein a connecting ring (501) is fixedly connected to the middle part of the bottom end of the dust screen (43), and two arc-shaped protruding blocks (502) are symmetrically and fixedly connected to opposite sides of the connecting ring (501) and the ash cleaning brush (5).
6. The CO gas detection alarm device according to claim 1, wherein a base (6) is fixedly connected to the bottom end of the CO gas detector (1), two movable locking clamping blocks (62) are arranged on one side, away from the CO gas detector (1), of the base (6), an installation seat (61) is arranged between the two locking clamping blocks (62), outer walls of two end parts of the installation seat (61) are all in inclined planes, and clamping grooves matched with end parts of the installation seat (61) are formed in the inner side of the locking clamping blocks (62).
7. The CO gas detection alarm according to claim 6, wherein a translatable connecting slide block (601) is movably connected to the bottom of the base (6), the outer wall of the connecting slide block (601) is fixedly connected with the outer wall of the locking clamp block (62), an elastic telescopic piece is fixedly connected between the two connecting slide blocks (601), and a positioning mechanism is arranged on the inner side of the base (6) and used for fixing the position of the connecting slide block (601).
8. The CO gas detection alarm according to claim 7, wherein the positioning mechanism comprises a driving plate (602) movably arranged at the inner side of the base (6) and capable of moving up and down, tooth groove parts (603) are fixedly connected to opposite sides of the driving plate (602) and the connecting sliding block (601), the tooth groove parts (603) on the driving plate (602) and the connecting sliding block (601) are arranged in a central symmetry mode, and a third spring (604) is fixedly connected between the outer wall of the driving plate (602) and the top of the inner side of the base (6).
9. The CO gas detection alarm according to claim 7, wherein the elastic telescopic member comprises a limiting tube (605), two ends of the limiting tube (605) are movably connected with T-shaped rods (606) in a penetrating mode, a fourth spring (607) is fixedly connected between the two T-shaped rods (606), and one ends, deviating from the two T-shaped rods (606), of the two T-shaped rods are fixedly connected with two connecting sliding blocks (601) respectively.
10. The CO gas detection alarm according to claim 6, wherein an outer protruding portion (63) is provided at an end portion of the locking clamp block (62), an auxiliary roller (64) is rotatably connected to an inner side of the outer protruding portion (63), and an outer wall of the auxiliary roller (64) is attached to an outer wall of the mounting seat (61).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310916025.5A CN116660320B (en) | 2023-07-25 | 2023-07-25 | CO gas detection alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310916025.5A CN116660320B (en) | 2023-07-25 | 2023-07-25 | CO gas detection alarm |
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| CN116660320A true CN116660320A (en) | 2023-08-29 |
| CN116660320B CN116660320B (en) | 2023-10-03 |
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Cited By (1)
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| CN118225971A (en) * | 2024-02-27 | 2024-06-21 | 珠海市鑫发机械设备有限公司 | Gas sensor electrical property test fixture |
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|---|---|
| CN116660320B (en) | 2023-10-03 |
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