CN112986496A - Gas detection device for environmental detection - Google Patents

Gas detection device for environmental detection Download PDF

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Publication number
CN112986496A
CN112986496A CN202110160584.9A CN202110160584A CN112986496A CN 112986496 A CN112986496 A CN 112986496A CN 202110160584 A CN202110160584 A CN 202110160584A CN 112986496 A CN112986496 A CN 112986496A
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China
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sealing cylinder
rotating shaft
establish
opening
filter disc
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CN202110160584.9A
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CN112986496B (en
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郑美丽
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Zhejiang Huagui Environmental Testing Co ltd
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Zhejiang Huagui Environmental Testing Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • B08B1/165
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract

The application relates to the technical field of gas detection, in particular to a gas detection device for environmental detection, which comprises a detector body, a filtering mechanism, a ventilation mechanism and a cleaning mechanism, wherein a plurality of probes are arranged on the detector body; the ventilation mechanism comprises a rotating shaft which is rotatably connected with the sealing cylinder and a plurality of fan blades which are arranged on the rotating shaft, and the fan blades are positioned in the air groove; clearance mechanism is including being located sealed section of thick bamboo inboard and swivelling joint in sealed section of thick bamboo wear to establish the pole, and the one end of wearing to establish the pole rotates the center department of wearing to locate the filter disc surface, and this of wearing to establish the pole serves and is equipped with the conflict and keeps away from the scraper blade in probe one side in the filter disc, all overlaps in the other end of wearing to establish the pole and the pivot and is equipped with bevel gear, two bevel gear intermeshing. This application can make things convenient for gaseous detection.

Description

Gas detection device for environmental detection
Technical Field
The application relates to the technical field of gas detection, in particular to a gas detection device for environment detection.
Background
The gas detector is an instrument and meter tool for detecting gas leakage concentration, wherein the portable gas detector is widely applied.
Through the retrieval, chinese patent publication No. CN207764182U discloses a dustproof construction for portable gas detection appearance, including the detector body and install the dustproof construction of induction part on the detector body, dustproof construction includes sealed frame and bottom plate, sealed frame is the square frame structure, and the integration of last port side is provided with epitaxial overlap, the bottom plate passes through lock joint structure fixed connection at the lower port of sealed frame, is provided with the through-hole that corresponds with inductive probe on the bottom plate, the last port of sealed frame is provided with the filter screen. This kind of dustproof construction for portable gas detection appearance increases dustproof construction through the response portion at the detector body, and on the one hand the gathering of separation dust, on the other hand increase the closure, avoid inside dust etc. gets into the detector body, dustproof construction is simple, demountable installation, the clearance of being convenient for, convenient to use, improve equipment life.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when more dust exists in the environment where the detector body is located, a large amount of dust is attached to the filter screen, the speed of external air entering the inner side of the sealing frame is low, normal detection of the detector body on the air is affected, and therefore improvement is needed.
Disclosure of Invention
In order to facilitate detection of gas, the application provides a gas detection device for environment detection.
The application provides a gas detection device for environmental detection adopts following technical scheme: the gas detection device for environmental detection comprises a detector body, wherein a plurality of probes are arranged on the detector body, and the gas detection device also comprises a filtering mechanism, a ventilation mechanism and a cleaning mechanism, wherein the filtering mechanism comprises a sealing barrel arranged on the detector body and a filter disc embedded in the sealing barrel;
the ventilation mechanism comprises a rotating shaft which is rotatably connected with the sealing cylinder and a plurality of fan blades which are arranged on the rotating shaft, and the fan blades are positioned in the air groove;
clearance mechanism is including being located sealed section of thick bamboo inboard and swivelling joint in sealed section of thick bamboo wear to establish the pole, and the one end of wearing to establish the pole rotates the center department of wearing to locate the filter disc surface, and this of wearing to establish the pole serves and is equipped with the conflict and keeps away from the scraper blade in probe one side in the filter disc, all overlaps in the other end of wearing to establish the pole and the pivot and is equipped with bevel gear, two bevel gear intermeshing.
By adopting the technical scheme, when gas is detected, a worker manually rotates the rotating shaft, the rotating shaft drives all the fan blades to rotate, and the fan blades discharge the gas in the sealing cylinder, so that negative pressure is formed in the sealing cylinder; outside air will pass through the filter disc and enter into the sealed cylinder at this moment, and the detector body will detect this part of gas, and the dust in the gas will be blockked by the filter disc for the dust is difficult for entering inside the detector body.
In the rotation process of pivot, the pivot will wear to establish the pole rotation through two bevel gear drives, wears to establish the pole and will drive the rotatory dust of striking off attached to on the filter disc surface of scraper blade for the difficult filter disc that blocks up of dust, so in the external gas can normally pass the filter disc and enter into sealed cylinder, guaranteed the normal detection of detector body to gas, made things convenient for the detector body to detect gas through the probe.
Optionally, all the probes are circumferentially arranged on the detector body around the axis of the penetrating rod, and the penetrating rod is provided with a brushing mechanism for abutting against the probes.
By adopting the technical scheme, in the rotating process of the rotating shaft and the penetrating rod, the penetrating rod drives the brushing mechanism to rotate to brush off dust on all the probes; under the effect of flabellum, the dust that is brushed away will be discharged to the sealing cylinder from the wind groove for the dust that passes filter disc and enters into in the sealing cylinder is difficult for entering into the detector body.
Optionally, the brushing mechanism comprises a mounting ring connected to the penetrating rod, a connecting plate connected to the mounting ring, and a plurality of bristles arranged on the connecting plate, the mounting ring is located at the air groove and is coaxially arranged with the penetrating rod, the insides of the mounting ring and the connecting plate are both hollow and are mutually communicated, and a plurality of first air holes communicated with the insides of the mounting ring are arranged on the outer wall of the mounting ring; and a plurality of second air holes communicated with the inside of the connecting plate are formed in the connecting plate, and the second air holes face the probe.
By adopting the technical scheme, in the rotating process of the rotating shaft and the penetrating rod, the penetrating rod drives the mounting ring, the connecting ring and the bristles to rotate, and the bristles brush dust on all probes; under the action of the fan blades, gas in the mounting ring is exhausted from the first air hole and the air groove, so that negative pressure is formed in the mounting ring; the dust brushed by the brush hair enters the mounting ring from the second air hole and is discharged out of the sealing cylinder from the first air hole and the air groove, so that the brushed dust is not easy to float in the sealing cylinder, and the dust cleaning effect is improved.
Optionally, the brushing mechanism further comprises a sector ring arranged on the inner wall of the sealing barrel, the inner wall of the sector ring is attached to the outer wall of the mounting ring and sealed in the first air hole, and a notch corresponding to the air groove is formed in the sector ring.
By adopting the technical scheme, in the rotating process of the mounting ring, the first air holes at the notches are exposed and face the air grooves, and the rest first air holes are sealed by the fan-shaped ring; after the gas in the mounting ring is discharged through the first air hole and the air groove, the external gas can only enter the mounting ring from the second air hole, the suction force of the second air hole to the dust is increased, and therefore the dust cleaning effect is improved.
Optionally, one end of the rotating shaft penetrates out of the sealing cylinder, and a pull rope is wound on the end of the rotating shaft.
Through adopting above-mentioned technical scheme, when the stay cord along the radial pulling of pivot, the stay cord will be flare-out gradually and drive pivot fast revolution, has increased the produced wind-force of flabellum for in the outside gas enters into sealed section of thick bamboo more fast, made things convenient for the detector body to detect gas through the probe.
Optionally, the ventilation mechanism further includes a volute spring wound on the rotating shaft, one end of the volute spring is fixedly connected to the sealing cylinder, and the other end of the volute spring is fixedly connected to the rotating shaft.
By adopting the technical scheme, when the pull rope is gradually straightened, the rotating shaft and the fan blades rotate quickly, the gas in the sealing cylinder is quickly discharged, and the volute spring is gradually deformed; after the pulling of the pull rope is cancelled, the volute spring gradually returns to the natural state and drives the rotating shaft and the fan blades to rotate in the reverse direction, the pull rope is wound on the rotating shaft again, and the fan blades continue to drive the gas in the sealing cylinder to be discharged. Therefore, the worker only needs to pull the pull rope intermittently, and the external air can enter the sealing cylinder continuously and quickly.
Optionally, the device further comprises a collecting mechanism, the collecting mechanism comprises a collecting box arranged on the sealing cylinder and an opening and closing door used for controlling the opening and closing of the collecting box, the collecting box is positioned on one side of the filter disc far away from the probe and below the filter disc, and the opening of the collecting box is arranged upwards; the opening and closing door is connected with the collecting box in a sliding way along the horizontal direction.
By adopting the technical scheme, when the scraper scrapes off dust on the surface of the filter disc, the opening of the collecting box is exposed, and the scraped dust falls into the collecting box; the opening and closing box can seal the opening of the collecting box, so that dust in the collecting box is not easy to float to the outside.
Optionally, the sliding direction of the opening and closing door is parallel to a plane formed by the scraper blade when the scraper blade rotates; the scraper is provided with a magnet which pushes the opening and closing door to move so as to expose the opening of the collecting box, and the magnet is adsorbed on the opening and closing door.
By adopting the technical scheme, when the penetrating rod drives the scraper to rotate, the scraper drives the magnet to rotate, the magnet pushes the opening and closing door to move along the horizontal direction, so that the opening of the collecting box is exposed, and dust scraped by the scraper falls into the collecting box; after the pole rotation circle wears to establish, will wear to establish the pole reverse rotation circle again, the scraper blade will scrape the dust on filter disc surface into the collection box once more, magnet will open the door absorption when moving to opening door department for opening door motion resets and seals in the opening of collecting the box, makes the difficult wafting of dust in the collection box.
To sum up, the application comprises the following beneficial technical effects:
1. the arrangement of the filtering mechanism, the ventilation mechanism and the cleaning mechanism enables external air to quickly enter the sealing cylinder and enables dust not to easily enter the detector body, so that the detector body can conveniently detect the air through the probe;
2. the brushing mechanism is arranged, so that dust attached to the probe is brushed and discharged out of the sealing cylinder;
3. the arrangement of the collecting mechanism realizes the collection of the dust scraped by the scraper.
Drawings
FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;
FIG. 2 is a schematic sectional view showing the inside of the sealing cylinder in the embodiment of the present application;
FIG. 3 is a schematic sectional view showing the ventilation mechanism and the brushing mechanism in the embodiment of the present application;
fig. 4 is a schematic structural view showing a collecting mechanism in the embodiment of the present application.
Reference numerals: 1. a detector body; 11. a probe; 2. a filtering mechanism; 21. a sealing cylinder; 211. an air duct; 22. a filter disc; 221. a through hole; 3. a ventilation mechanism; 31. a first connecting rod; 32. a first bearing; 33. a rotating shaft; 34. a fan blade; 35. pulling a rope; 36. a pull ring; 37. a limiting ring; 38. a volute spring; 4. a cleaning mechanism; 41. a second connecting rod; 42. a second bearing; 43. a rod is arranged in a penetrating way; 44. a bevel gear; 45. a squeegee; 46. a magnet; 5. a collection mechanism; 51. a collection box; 511. a dovetail groove; 52. a dovetail strip; 53. opening and closing the door; 6. a brushing mechanism; 61. a fixing plate; 62. a mounting ring; 621. a first air vent; 63. a connecting plate; 631. a second air hole; 64. brushing; 65. a sector ring; 651. and (4) a notch.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses gas detection device for environmental detection. As shown in fig. 1 and 2, a gas detection device for environmental detection includes a detector body 1, a filtering mechanism 2, a ventilation mechanism 3, a cleaning mechanism 4 and a collecting mechanism 5, wherein a plurality of probes 11 are mounted on the detector body 1; the ventilation mechanism 3 enables external air to rapidly flow to the detector body 1; the filter mechanism 2 filters dust in the gas flowing to the detector body 1; the cleaning mechanism 4 cleans the dust filtered by the filter mechanism 2 into the collection mechanism 5.
The filtering mechanism 2 comprises a sealing cylinder 21 fixed on the detector body 1, the sealing cylinder 21 is circular, and all probes 11 are positioned in the sealing cylinder 21; a circular filter disc 22 is fixedly embedded in the sealing cylinder 21, and one side of the filter disc 22 is flush with one end of the sealing cylinder 21; an air groove 211 communicated with the inside of the sealing cylinder 21 is formed in the outer wall of the sealing cylinder 21, and the air groove 211 is positioned at the probe 11.
As shown in fig. 2 and 3, the ventilation mechanism 3 includes a first bearing 32 fixed on the groove wall of the air groove 211 through a first connecting rod 31, a rotating shaft 33 extending along the radial direction of the sealing cylinder 21 is fixedly embedded in the first bearing 32, a plurality of fan blades 34 circumferentially arranged around the axis of the rotating shaft 33 are fixed on the side wall of the rotating shaft 33, and all the fan blades 34 are located in the air groove 211; one end of the rotating shaft 33 penetrates out of the sealing cylinder 21, a pull rope 35 and a scroll spring 38 are wound on the end of the rotating shaft 33, one end of the pull rope 35 and one end of the scroll spring 38 are both fixed on the rotating shaft 33, a pull ring 36 is fixed on the other end of the pull rope 35, and the other end of the scroll spring 38 is fixed on the sealing cylinder 21.
When a worker pulls the pulling rope 35 along the radial direction of the rotating shaft 33 through the pulling ring 36, the pulling rope 35 will gradually separate from the rotating shaft 33, so that the rotating shaft 33 and the fan blades 34 rotate rapidly, the vortex spring 38 will gradually deform, and the fan blades 34 will exhaust the gas in the sealing cylinder 21; at this time, negative pressure is formed inside the sealing cylinder 21, so that external air rapidly passes through the filter disc 22 and enters the sealing cylinder 21, so that the detector body 1 detects the air through the probe 11; and the dust in the outside air will be blocked by the filter disc 22, so that the dust is not easy to enter into the detector body 1.
When the worker loosens the pull ring 36, the volute spring 38 gradually returns to the natural state and enables the rotating shaft 33 and the fan blades 34 to rotate in the opposite directions, the pull rope 35 gradually winds the rotating shaft 33, the fan blades 34 enable the gas in the sealing cylinder 21 to be continuously exhausted, the external gas can still rapidly enter the sealing cylinder 21, and therefore the detector body 1 can detect the gas through the probe 11.
It is worth to be noted that, a limiting ring 37 is fixed on the outer wall of the sealing cylinder 21, the pull rope 35 is arranged inside the limiting ring 37 in a penetrating manner, and the limiting ring 37 makes the pull rope 35 not easy to scatter.
As shown in fig. 2 and 3, the cleaning mechanism 4 includes a second bearing 42 fixed on the inner wall of the sealing cylinder 21 through a second connecting rod 41, a penetrating rod 43 is fixedly embedded in the second bearing 42, and the penetrating rod 43 and the sealing cylinder 21 are coaxially arranged; one end of the penetrating rod 43 and one end of the rotating shaft 33 are fixedly sleeved with bevel gears 44, and the two bevel gears 44 are meshed with each other; the center on filter disc 22 surface department sets up and supplies to wear to establish pole 43 and rotate the through-hole 221 of wearing to establish, wears to establish pole 43 and wears to locate one of through-hole 221 and to be fixed with the scraper blade 45 of contradicting and keeping away from in probe 11 one side in filter disc 22, and scraper blade 45 is along the radial extension of filter disc 22.
In the rotating process of the rotating shaft 33, the rotating shaft 33 drives the penetrating rod 43 to rotate through the two bevel gears 44, the penetrating rod 43 drives the scraper 45 to rotate to scrape off the dust attached to the surface of the filter disc 22, so that the filter disc 22 is not easily blocked by the dust, and the external air can normally enter the sealing cylinder 21.
As shown in fig. 4, the collecting mechanism 5 includes a collecting box 51 fixed on the sealing cylinder 21, an opening of the collecting box 51 is arranged upward, the collecting box 51 is located on one side of the filter disc 22 away from the probe 11 and below the filter disc 22, a dovetail groove 511 extending along the horizontal direction is formed at the upper end of the collecting box 51, and the extending direction of the dovetail groove 511 is parallel to the surface of the filter disc 22; a dovetail bar 52 is embedded in the dovetail groove 511 in a sliding manner, an opening and closing door 53 is fixed on the dovetail bar 52, the opening and closing door 53 can control the opening and closing of the collecting box 51, and the opening and closing door 53 is made of iron.
A magnet 46 is fixed to the end of the scraper 45 remote from the centre of the filter disc 22. During the rotation of the penetrating rod 43, the penetrating rod 43 will drive the scraper 45 and the magnet 46 to rotate, the scraper 45 will rotationally scrape off the dust attached to the surface of the filter disc 22, the magnet 46 will push the opening and closing door 53 to slide along the extending direction of the dovetail groove 511, so that the opening of the collecting box 51 is opened, and the dust scraped by the scraper 45 will fall into the collecting box 51.
As shown in fig. 1 and 2, it is worth explaining that the diameter of the bevel gear 44 on the rotating shaft 33 is smaller than that of the bevel gear 44 on the through rod 43. When the pulling rope 35 wound on the rotating shaft 33 is straightened, the rotating shaft 33 just drives the penetrating rod 43 to rotate for one circle, so that the scraping plate 45 scrapes dust attached to the surface of the filter disc 22 into the collecting box 51.
As shown in fig. 2 and 3, when the pull ring 36 is released, the spiral spring 38 will make the rotating shaft 33 rotate reversely, and the rotating shaft 33 will drive the penetrating rod 43 to rotate reversely for one turn; as shown in fig. 1, the scraper 45 will again scrape the dust attached to the surface of the filter disc 22 into the collection box 51, and the magnet 46 will attract the open-close door 53 when moving to the open-close door 53, so that the open-close door 53 moves to reset and close the opening of the collection box 51, and therefore the dust in the collection box 51 will not easily fly out.
As shown in figures 2 and 3, all of the probes 11 on the monitor body 1 are arranged circumferentially about the axis of the through-rod 43. Wear to establish pole 43 and keep away from one of filter disc 22 and serve and be equipped with brushing mechanism 6, brushing mechanism 6 includes through polylith fixed plate 61 fixed connection in the collar 62 of wearing to establish pole 43, collar 62 is located wind groove 211 department and is the coaxial line setting with wearing to establish pole 43, is fixed with connecting plate 63 on the collar 62, is fixed with brush hair 64 on the connecting plate 63.
During the detection of the gas, a part of the dust with a small particle size passes through the filter disc 22 and enters the sealing cylinder 21, and the dust may be attached to the probe 11. When the rotating shaft 33 drives the penetrating rod 43 to rotate, the penetrating rod 43 drives the mounting ring 62, the connecting plate 63 and the bristles 64 to rotate, and the bristles 64 brush off dust on all the probes 11, so that the dust is not easy to enter the detector body 1.
The inner parts of the mounting ring 62 and the connecting plate 63 are both hollow and communicated with each other, and a plurality of first air holes 621 communicated with the inner part of the mounting ring 62 are arranged on the outer wall of the mounting ring 62; the connecting plate 63 is provided with a plurality of second air holes 631 communicated with the inside of the connecting plate 63, and the second air holes 631 face the probe 11; a sector ring 65 is fixed on the inner wall of the sealing cylinder 21, the sector ring 65 and the mounting ring 62 are arranged coaxially, the inner wall of the sector ring 65 is attached to the outer wall of the mounting ring 62, and a notch 651 corresponding to the air groove 211 is arranged on the sector ring 65.
In the rotation process of the rotating shaft 33, the rotating shaft 33 will drive all the fan blades 34 to rotate, and the rotating shaft 33 further drives the penetrating rod 43, the mounting ring 62, the connecting plate 63 and the bristles 64 to rotate through the two bevel gears 44, the bristles 64 will brush off dust attached to the probe 11, the first wind holes 621 located at the notch 651 will be exposed and face the wind groove 211, and the rest of the first wind holes 621 will be closed by the inner wall of the sector ring 65. At this time, under the action of the fan blade 34, the air inside the mounting ring 62 is discharged to the outside of the sealing cylinder 21 through the first air hole 621 at the notch 651, so that a negative pressure is formed inside the mounting ring 62, and therefore, the external air enters the mounting ring 62 from the second air hole 631, and the dust brushed by the brush bristles 64 sequentially passes through the second air hole 631, the inside of the connecting plate 63, the inside of the mounting ring 62, the first air hole 621 and is discharged from the air groove 211, so that the dust brushed by the brush bristles 64 is not easy to enter the inside of the monitor body 1.
The implementation principle of the gas detection device for environment detection in the embodiment of the application is as follows: during the detection of gas, when a worker pulls the pulling rope 35 along the radial direction of the rotating shaft 33 through the pulling ring 36, the rotating shaft 33 and the fan blades 34 are rapidly rotated by the pulling rope 35, and the vortex spring 38 is gradually deformed; the external gas rapidly passes through the filter disc 22 and enters the sealing cylinder 21, so that the detector body 1 detects the gas through the probe 11; and the dust in the outside air will be blocked by the filter disc 22, so that the dust is not easy to enter into the detector body 1.
In the rotating process of the rotating shaft 33, the rotating shaft 33 drives the penetrating rod 43 to rotate through the two bevel gears 44, the penetrating rod 43 drives the driving scraper 45 and the magnet 46 to rotate, the magnet 46 pushes the opening and closing door 53 to slide, so that the opening of the collecting box 51 is exposed, and the scraper 45 scrapes dust on the filter disc 22 into the collecting box 51. Meanwhile, the rotating shaft 33 will drive the mounting ring 62, the connecting plate 63 and the bristles 64 to rotate, the bristles 64 will brush off the dust attached to the probe 11, and the dust brushed off by the bristles 64 will sequentially pass through the second air hole 631, the inside of the connecting plate 63, the inside of the mounting ring 62, the first air hole 621 and be discharged from the air groove 211, so that the dust brushed off by the bristles 64 is not easy to enter the inside of the detector body 1.
When the worker loosens the pull ring 36, the volute spring 38 gradually returns to the natural state and enables the rotating shaft 33 and the fan blades 34 to rotate in the opposite directions, the pull rope 35 gradually winds the rotating shaft 33, the fan blades 34 enable the gas in the sealing cylinder 21 to be continuously exhausted, the external gas can still rapidly enter the sealing cylinder 21, and therefore the detector body 1 can detect the gas through the probe 11.
During the reverse rotation of the rotating shaft 33, the penetrating rod 43 will also rotate in the reverse direction, the scraper 45 will scrape the dust attached to the surface of the filter disc 22 into the collecting box 51 again, the magnet 46 will attract the open-close door 53 when moving to the open-close door 53, so that the open-close door 53 will move to reset and close the opening of the collecting box 51, and therefore the dust in the collecting box 51 will not easily float out. Meanwhile, the rotating shaft 33 will drive the mounting ring 62, the connecting plate 63 and the bristles 64 to rotate reversely, the bristles 64 will again brush off the dust attached to the probe 11, and the dust brushed off by the bristles 64 will sequentially pass through the second air hole 631, the inside of the connecting plate 63, the inside of the mounting ring 62, the first air hole 621 and be discharged from the air groove 211, so that the dust brushed off by the bristles 64 is not easy to enter the inside of the detector body 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a gas detection device for environmental detection, includes detector body (1), is equipped with a plurality of probes (11) on detector body (1), its characterized in that: the detector is characterized by further comprising a filtering mechanism (2), a ventilating mechanism (3) and a cleaning mechanism (4), wherein the filtering mechanism (2) comprises a sealing cylinder (21) arranged on the detector body (1) and a filter disc (22) embedded in the sealing cylinder (21), an air groove (211) communicated with the inside of the sealing cylinder (21) is formed in the outer wall of the sealing cylinder (21), and all probes (11) are located on the inner side of the sealing cylinder (21) and located at the air groove (211);
the ventilation mechanism (3) comprises a rotating shaft (33) which is rotatably connected with the sealing cylinder (21) and a plurality of fan blades (34) which are arranged on the rotating shaft (33), and the fan blades (34) are positioned in the air groove (211);
clearance mechanism (4) are including being located sealed section of thick bamboo (21) inboard and rotate to connect in the pole (43) of wearing to establish of sealed section of thick bamboo (21), the one end of wearing to establish pole (43) is rotated and is worn to locate filter disc (22) center department on surface, and the should of wearing to establish pole (43) serve and be equipped with conflict and keep away from scraper blade (45) in probe (11) one side in filter disc (22), all overlap on the other end of wearing to establish pole (43) and pivot (33) and be equipped with bevel gear (44), two bevel gear (44) intermeshing.
2. The gas detection apparatus for environmental inspection according to claim 1, wherein: all probe (11) are set up on detector body (1) around the axis circumference that wears to establish pole (43), wear to establish and be equipped with on pole (43) and be used for contradicting in brushing except that mechanism (6) of probe (11).
3. The gas detection apparatus for environmental inspection according to claim 2, wherein: the brushing mechanism (6) comprises a mounting ring (62) connected with the penetrating rod (43), a connecting plate (63) connected with the mounting ring (62) and a plurality of bristles (64) arranged on the connecting plate (63), the mounting ring (62) is positioned at the air groove (211) and is coaxially arranged with the penetrating rod (43), the insides of the mounting ring (62) and the connecting plate (63) are both arranged in a hollow way and are communicated with each other, and a plurality of first air holes (621) communicated with the inside of the mounting ring (62) are formed in the outer wall of the mounting ring (62); the connecting plate (63) is provided with a plurality of second air holes (631) communicated with the inside of the connecting plate (63), and the second air holes (631) face the probe (11).
4. The gas detection apparatus for environmental inspection according to claim 3, wherein: the brushing mechanism (6) further comprises a fan-shaped ring (65) arranged on the inner wall of the sealing barrel (21), the inner wall of the fan-shaped ring (65) is attached to the outer wall of the mounting ring (62) and is sealed in the first air hole (621), and a notch (651) corresponding to the air groove (211) is formed in the fan-shaped ring (65).
5. The gas detection apparatus for environmental inspection according to claim 1, wherein: one end of the rotating shaft (33) penetrates out of the sealing cylinder (21), and a pull rope (35) is wound on the end of the rotating shaft (33).
6. The gas detection apparatus for environmental inspection according to claim 5, wherein: the ventilation mechanism (3) further comprises a volute spring (38) wound on the rotating shaft (33), one end of the volute spring (38) is fixedly connected to the sealing cylinder (21), and the other end of the volute spring (38) is fixedly connected to the rotating shaft (33).
7. The gas detection apparatus for environmental inspection according to claim 1, wherein: the device is characterized by further comprising a collecting mechanism (5), wherein the collecting mechanism (5) comprises a collecting box (51) arranged on the sealing cylinder (21) and an opening and closing door (53) used for controlling the opening and closing of the collecting box (51), the collecting box (51) is positioned on one side, away from the probe (11), of the filter disc (22) and positioned below the filter disc (22), and the opening of the collecting box (51) is arranged upwards; the opening and closing door (53) is connected to the collecting box (51) in a sliding manner along the horizontal direction.
8. The gas detection apparatus for environmental inspection according to claim 7, wherein: the sliding direction of the opening and closing door (53) is parallel to a plane formed by the scraper (45) when rotating; the scraper (45) is provided with a magnet (46) which pushes the opening and closing door (53) to move so as to expose the opening of the collecting box (51), and the magnet (46) is adsorbed on the opening and closing door (53).
CN202110160584.9A 2021-02-05 2021-02-05 Gas detection device for environment detection Active CN112986496B (en)

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CN202110160584.9A CN112986496B (en) 2021-02-05 2021-02-05 Gas detection device for environment detection

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