CN113203830A - Gas detector for environment detection - Google Patents
Gas detector for environment detection Download PDFInfo
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- CN113203830A CN113203830A CN202110359792.1A CN202110359792A CN113203830A CN 113203830 A CN113203830 A CN 113203830A CN 202110359792 A CN202110359792 A CN 202110359792A CN 113203830 A CN113203830 A CN 113203830A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000000741 silica gel Substances 0.000 claims abstract description 93
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 93
- 239000000523 sample Substances 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims 5
- 239000000428 dust Substances 0.000 abstract description 67
- 239000002245 particle Substances 0.000 abstract description 53
- 238000004140 cleaning Methods 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 219
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 27
- 230000003749 cleanliness Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0029—General constructional details of gas analysers, e.g. portable test equipment concerning the detector cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to the technical field of gas detectors, in particular to a gas detector for environment detection, which comprises an electric motor, a rotating fan, a through hole, a first hole and a silica gel spiral block, wherein when the electric motor rotates, the rotating fan rotates, gas in a cavity is discharged, external gas flows into the first hole through the through hole, the silica gel spiral block is arranged in the first hole, when the gas enters the first hole, the gas is contacted with the silica gel spiral block, the contact area of the gas and the silica gel spiral block is larger, a silica gel layer on the inner wall of the first hole cleans dust particles in the gas, the external gas enters the first hole through the through hole, the conical through hole enables the dust particles in the gas and the silica gel spiral block to be better mutually attracted, the triangular block strips enable the wall of the triangular block strips to be increased in contact area with the gas after the gas enters the through hole, and the dust particles in the gas are adsorbed by the triangular block, the cleaning degree of the gas flowing into the first hole is improved.
Description
Technical Field
The invention relates to the technical field of gas detectors, in particular to a gas detector for environment detection.
Background
The gas detector is an instrument tool for detecting gas leakage concentration, which comprises: the portable gas detector, the handheld gas detector, the fixed gas detector, the online gas detector and the like mainly utilize a gas sensor to detect the types of gases in the environment so as to judge whether hidden dangers exist in the surrounding environment, and the portable gas detector is a commonly used detection instrument for factories, schools, construction places and the like.
A patent also appears in the prior art about a gas detector for environmental detection's technical scheme, as application number: CN201920752636X, a chinese patent discloses a formaldehyde gas detector, which comprises a formaldehyde detector body, a cover plate and a telescopic frame, wherein one side of the formaldehyde detector body is provided with a dust screen, the lower end of the dust screen is provided with an air inlet, the adjacent side of the dust screen is provided with the cover plate, the cover plate is fixedly provided with a first mounting buckle, the opposite side of the cover plate of the formaldehyde detector body is provided with a second mounting buckle, the surface of the cover plate is provided with a display screen, the opposite side of the cover plate is provided with an air outlet, one side of the display screen is provided with a control button, the lower end of the formaldehyde detector body is provided with a first bearing plate, the lower end of the first bearing plate is provided with a second bearing plate, the first mounting plate is arranged at the lower end of the first bearing plate, and the second mounting plate is arranged at the upper end; however, when the dust detection device is used in Mongolian areas, wind sand is large, indoor dust is large, when gas in the air is detected, dust particles in the gas can affect errors generated during gas detection, and after the dust detection device is used for a long time, when dust is accumulated in the gas detection device, errors generated when the gas detection device detects the gas are further expanded, so that the use efficiency of the gas detection device is affected.
In view of this, when electric motor rotated, the rotation fan rotated, and the gas in the cavity is discharged, and the external gas flows into No. one downthehole through the perforating hole, through setting up silica gel spiral piece in No. one downthehole, when gas got into No. one downthehole, gas and silica gel spiral piece contact, and the area of contact of gas and silica gel spiral piece is great, and gas and No. one downthehole wall carry out the in close contact with, and the silica gel layer on No. one downthehole wall clears up the dust granule in the gas.
Disclosure of Invention
In order to make up the defects of the prior art, the air detector solves the problems that when the existing air detector is used for detecting formaldehyde in Mongolian regions, more dust exists, so that a larger error is generated when gas is detected, and the use efficiency of the air detector is influenced when dust accumulation occurs in the detector; the invention provides a gas detector for environment detection.
The technical scheme adopted by the invention for solving the technical problems is as follows: a gas detector for environmental detection comprises a detection body and a probe, wherein the probe is fixedly connected above the detection body, a first hole is formed in the center of the interior of the probe, the first hole extends into the interior of the detector, a silica gel layer is fixedly connected to the inner wall of the first hole, a through hole is uniformly formed in the outer ring of the probe, one end of the through hole is communicated with the first hole, a cavity is formed in one end, close to the probe, in the detection body, the cavity is communicated with the first hole, an electric motor is fixedly connected to the bottom of the cavity, an output shaft of the electric motor extends into the cavity, a rotating fan is fixedly connected to the end portion of the output shaft of the electric motor, a plate groove is formed in the upper portion of the cavity, the plate groove is located below the probe, a soft block is connected in the plate groove in a sliding mode, a starting groove is formed in the position, corresponding to the detection body and the plate groove, the starting groove is communicated with the plate groove, a starting key is arranged in the starting groove, and the starting key is fixedly connected with the soft block;
when the gas detector is used for detecting the concentration of formaldehyde in gas, after the gas detector is started, the electric motor rotates, the electric motor drives the rotating fan in the cavity to rotate anticlockwise, negative pressure is generated inside the cavity, external gas flows into the first hole through the through hole and then flows into the cavity through the first hole, then the gas detector detects the gas, when the external gas flows into the first hole, on one hand, the inner wall of the first hole is fixedly connected with the silica gel layer, the silica gel layer adsorbs dust particles in the external gas, in the first hole, the gas is cleaned, when the gas enters the cavity, the amount of the dust particles in the gas is reduced, so that errors caused by more dust particles in gas detection are reduced, the service life of the gas detector is prolonged, on the other hand, after the external air is detected, the start key is pushed to slide in the start groove, the start key links firmly with the soft piece, the soft piece slides in the board inslot, the soft piece carries out the shutoff to a hole afterwards, make a hole separate with the cavity, the unable entering cavity of outside gas, thereby keep the clean degree in the cavity, thereby improve gas detector's life and availability factor, when gas detector uses the number of times too much, the probe can be cleared up with water, through a hole of soft piece shutoff, when the probe is washd with the water, rivers can't get into inside the cavity, the gas detector trouble of having avoided leading to the fact because of rivers entering cavity, thereby gas detector's practicality has been improved.
Preferably, a hole cover is arranged above the probe and is in threaded connection with the probe, a silica gel spiral block is connected in the first hole in a sliding manner, one end of the silica gel spiral block is fixedly connected with the hole cover, and the other end of the silica gel spiral block extends into a communication position between the first hole and the cavity;
when the electric motor is used, the rotating fan rotates, gas in the cavity is discharged, external gas flows into the first hole through the through hole, the silica gel spiral block is arranged in the first hole, when the gas enters the first hole, the gas is contacted with the silica gel spiral block, on one hand, when the gas enters the first hole, the gas is rotated downwards through the silica gel spiral block, the contact area of the gas and the silica gel spiral block is larger, dust particles in the gas of the silica gel spiral block are cleaned, air is cleaned, errors caused by more dust particles in gas detection are reduced, on the other hand, when the gas flows in the first hole, the gas is subjected to centrifugal force, the gas is in close contact with the inner wall of the first hole, and the silica gel layer on the inner wall of the first hole cleans the dust particles in the gas, thereby improving the cleanliness of the gas; when the gas detector is used for a plurality of times, the hole cover is separated from the probe by rotating the hole cover, the silica gel spiral block is pulled out from the first hole through the hole cover, and the silica gel spiral block is cleaned, so that the use efficiency of the gas detector is improved.
Preferably, the number of spiral turns of the silica gel spiral block is five, five groups of silica gel brushes are fixedly connected to the surface of the bottom turn of the silica gel spiral block, and the number of the upward silica gel brushes in each turn is reduced by one group;
when in use, when external air enters the first hole through the through hole, five groups of silica gel brushes are arranged at the bottom ring of the silica gel spiral block, the number of the upward silica gel brushes in each ring is decreased by one group, on one hand, when the air flow entering the through hole at the upper part flows from the upper part to the lower part, the area of the silica gel spiral block in the way is larger, so that the adsorption degree of dust particles in the air is improved, the air is cleaner when entering the cavity, the dust accumulation in the cavity is avoided, on the other hand, when the external gas enters the first hole through the through hole at the lower part, the contact area of the external gas and the silica gel spiral block is smaller, by arranging different numbers of silica gel brushes on each circle of the silica gel spiral block at the lower part, when gas enters the cavity through the through hole at the lower part, the dust particles in the gas are cleaned to a certain degree, so that the service life and the service efficiency of the gas detector are improved.
Preferably, the through hole is a conical hole, the cross section of the hole at the communication part of the through hole and the first hole is smaller, triangular block strips are fixedly connected to two sides of the through hole, the triangular block strips are made of silica gel, and the tip of each triangular block on each triangular block strip is fixedly connected with an iron column;
when the gas cleaning device is used, when external gas passes through the through hole and enters the first hole, the through hole is a conical hole, one end with a smaller hole section is positioned in the first hole, when the electric motor rotates, the external gas enters the first hole through the through hole, the conical through hole enables the external gas to have larger impact force when entering the first hole, dust particles in the gas and the silica gel spiral block are better adsorbed mutually, the cleaning degree of the inside of the gas is improved to a certain degree, therefore, errors caused by more dust particles in gas detection are reduced, through the triangular block strips arranged at two sides of the through hole, after the gas enters the through hole, the contact area between the walls of the triangular block strips and the gas is improved, because the triangular block strips are made of silica gel, the dust particles in the gas in the through hole are better adsorbed by the triangular block strips, and the cleaning degree of the gas flowing into the first hole is improved, through linking firmly the iron prop on the triangle piece strip, receive the reason of gas impact, the triangle piece swing on the iron prop area triangle piece strip has improved the clean degree of triangle piece strip to the dust granule to a certain extent to improve gas detector's availability factor.
Preferably, the end of the through hole with the larger hole section is provided with a swinging block, two sides of the through hole are centrosymmetric by the swinging block, one side of the swinging block is provided with a turbulence cloth, and the turbulence cloth is positioned in the through hole;
when the electric motor is used, when the electric motor rotates, the rotating fan rotates, external air enters the through hole, the triangular block strips in the through hole adsorb dust particles in the air, so that the air enters the first hole, the air cleanliness is high, when the swinging block and the turbulence cloth are arranged, on one hand, when the air enters the through hole, airflow generated by the air generates disturbance on the turbulence cloth, the turbulence cloth swings, so that the air approaches to two sides of the through hole through the turbulence cloth when the air passes through the through hole, the efficiency of cleaning the dust particles in the air by the triangular block strips is improved, errors caused by more dust particles in the air detection are reduced, on the other hand, when the air enters the through hole, the turbulence plate disturbs the air, the force when the air enters the first hole through the through hole is increased, and the adsorption performance of the silica gel spiral blocks in the first hole on the dust particles in the air is increased, thereby improving the use efficiency of the gas detector.
Preferably, the two sides of the turbulence cloth are fixedly connected with turbulence strips, the turbulence strips are sheet-shaped, and the material of the turbulence strips is a silica gel sheet;
when the gas-liquid separation device is used, when gas enters the through hole, the gas disturbs the turbulence cloth, the turbulence cloth swings to further adsorb dust particles in the gas, the gas cleanliness when the gas enters the first hole is increased, the turbulence strips are arranged on two sides of the turbulence cloth, when the turbulence cloth swings, the turbulence strips are acted by the gas flow generated by the gas, the turbulence strips expand, on one hand, when the turbulence strips expand, the gas in the through hole further extrudes to the through hole twice, the triangular block strips on the inner wall of the through hole adsorb the dust particles in the gas, so that when the gas enters the first hole through the through hole, the gas cleanliness is improved, on the other hand, when the gas passes through the through hole, the material of the turbulence strips on the turbulence cloth is silica gel, the dust particles in the gas in the through hole are adsorbed, and the gas enters the first hole more cleanly, thereby it is cleaner when getting into the cavity to improve gas detector's availability factor.
The invention has the following beneficial effects:
1. according to the gas detector for environment detection, the gas detector is turned on, the electric motor rotates, the rotating fan in the cavity rotates anticlockwise, so that gas in the cavity is discharged out of the gas detector, external gas flows into the first hole through the through hole and then flows into the cavity through the first hole, when the external gas flows into the first hole, the silica gel layer adsorbs dust particles in the external gas, and the gas is cleaned in the first hole, so that errors caused by more dust particles in gas detection are reduced, and the service life of the gas detector is prolonged.
2. According to the gas detector for environment detection, when the electric motor rotates, external gas enters the first hole through the through hole, the conical through hole enables dust particles in the gas to be better mutually attracted with the silica gel spiral block, the wall of the triangular block strip is increased in contact area with the gas after the gas enters the through hole through the triangular block strip, the dust particles in the gas are adsorbed by the triangular block, and the cleaning degree of the gas flowing into the first hole is increased.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is an enlarged view of a portion of FIG. 1 at D;
in the figure: the detection body 1, the cavity 11, the electric motor 12, the rotating fan 13, the plate groove 14, the soft block 15, the starting groove 16, the starting key 17, the probe 2, the first hole 21, the silica gel spiral block 211, the silica gel brush 212, the through hole 22, the triangular block strip 221, the iron column 222, the swing block 223, the spoiler 224, the spoiler 225 and the hole cover 23.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the gas detector for environmental testing of the present invention comprises a testing body 1 and a probe 2, wherein the probe 2 is fixedly connected above the testing body 1, a first hole 21 is formed in the central position inside the probe 2, the first hole 21 extends into the tester, a silica gel layer is fixedly connected to the inner wall of the first hole 21, through holes 22 are uniformly formed in the outer ring of the probe 2, one end of each through hole 22 is communicated with the first hole 21, a cavity 11 is formed in the testing body 1 at the end close to the probe 2, the cavity 11 is communicated with the first hole 21, the bottom of the cavity 11 is fixedly connected with an electric motor 12, an output shaft of the electric motor 12 extends into the cavity 11, a rotating fan 13 is fixedly connected to the end portion of the output shaft of the electric motor 12, a plate groove 14 is formed above the cavity 11, the plate groove 14 is located below the probe 2, a soft block 15 is slidably connected in the plate groove 14, a starting groove 16 is formed in the position, corresponding to the plate groove 14, of the detection body 1, the starting groove 16 is communicated with the plate groove 14, a starting key 17 is arranged in the starting groove 16, and the starting key 17 is fixedly connected with the soft block 15;
when the gas detector is used for detecting the concentration of formaldehyde in gas, after the gas detector is started, the output shaft of the electric motor 12 rotates, the electric motor 12 drives the rotating fan 13 in the cavity 11 to rotate anticlockwise, negative pressure is formed in the cavity 11, external gas flows into the first hole 21 through the through hole 22 and then flows into the cavity 11 through the first hole 21, and then the gas detector detects the gas, when the external gas flows into the first hole 21, on one hand, the inner wall of the first hole 21 is fixedly connected with the silica gel layer which adsorbs dust particles in the external gas, in the first hole 21, the gas is cleaned, when the gas enters the cavity 11, the amount of the dust particles in the gas is reduced, so that errors caused by more dust particles in gas detection are reduced, the use efficiency of the gas detector is improved, on the other hand, after external air is detected, through promoting start key 17, make start key 17 slide in starting groove 16, start key 17 links firmly with soft block 15, soft block 15 slides in board groove 14, soft block 15 carries out the shutoff to a hole 21 afterwards, make a hole 21 separate with cavity 11, outside gas can't get into in the cavity 11, thereby keep the clean degree in the cavity 11, thereby improve gas detection appearance's life and availability factor, when gas detection appearance number of times of use is too much, probe 2 can be cleared up with the water, through a hole 21 of soft block 15 shutoff, when water washing probe 2, rivers can't get into inside cavity 11, avoided getting into the gas detection appearance trouble that cavity 11 caused because of rivers, thereby gas detection appearance's practicality has been improved.
As a specific embodiment of the invention, a hole cover 23 is arranged above the probe 2, the hole cover 23 is in threaded connection with the probe 2, a silica gel screw block 211 is slidably connected in the first hole 21, one end of the silica gel screw block 211 is fixedly connected with the hole cover 23, and the other end of the silica gel screw block 211 extends into a communication position between the first hole 21 and the cavity 11;
when the gas cleaning device is used, when the electric motor 12 rotates, the rotating fan 13 rotates, gas in the cavity 11 is discharged, external gas flows into the first hole 21 through the through hole 22, the gas is contacted with the silica gel spiral block 211 when the gas enters the first hole 21, on one hand, when the gas enters the first hole 21, the gas rotates downwards through the silica gel spiral block 211, the contact area of the gas and the silica gel spiral block 211 is larger, the silica gel spiral block 211 adsorbs dust particles in the gas, so that the air becomes clean, errors caused by more dust particles in gas detection are reduced, on the other hand, when the gas flows in the first hole 21 due to the silica gel spiral block 211, the gas is tightly contacted with the inner wall of the first hole 21 under the action of centrifugal force, so that the silica gel layer on the inner wall of the first hole 21 cleans the dust particles in the gas, thereby improving the cleanliness of the gas; when the gas detector is used for a plurality of times, the hole cover 23 is separated from the probe 2 by rotating the hole cover 23, the silica gel spiral block 211 is pulled out of the first hole 21 through the hole cover 23, the silica gel spiral block 211 is cleaned, the interior of the gas detector is kept clean, errors caused by a plurality of dusts during gas detection are avoided, and therefore the use efficiency of the gas detector is improved.
As a specific embodiment of the present invention, the number of spiral turns of the silica gel spiral block 211 is five, five groups of silica gel brushes 212 are fixedly connected to the surface of the circle below the silica gel spiral block 211, and the number of the silica gel brushes 212 of each circle of the silica gel spiral block 211 decreases progressively from bottom to top;
when the gas cleaning device is used, when external gas enters the first hole 21 through the through holes 22, five groups of silica gel brushes 212 are arranged at the lowest circle of the silica gel spiral block 211, the number of the silica gel brushes 212 in each circle is decreased, on one hand, when the gas flow entering the through holes 22 at the upper part flows from the upper part to the lower part, the area of the silica gel spiral block 211 is larger, the adsorption degree of dust particles in the gas is improved, the gas is cleaner when entering the cavity 11, the dust accumulation in the cavity 11 is avoided, on the other hand, when the external gas enters the first hole 21 through the through holes 22 at the lower part, the contact area between the external gas and the silica gel spiral block 211 is smaller, and when the gas enters the cavity 11 through the through holes 22 at the lower part, the dust particles in the gas are cleaned to a certain degree, thereby improving the service life and the service efficiency of the gas detector.
As a specific embodiment of the present invention, the through hole 22 is a tapered hole, the hole cross section at the communication position of the through hole 22 and the first hole 21 is smaller, the two sides of the through hole 22 are fixedly connected with the triangular block strips 221, the triangular block strips 221 are made of silica gel, and the tip of each triangular block on the triangular block strips 221 is fixedly connected with an iron column 222;
when the gas cleaning device is used, when external gas passes through the through hole 22 and enters the first hole 21, the through hole 22 is a conical hole, one end with a smaller hole section is positioned inside, when the electric motor 12 rotates, the external gas enters the first hole 21 through the through hole 22, the conical through hole 22 enables the external gas to enter the first hole 21, and large impact force is generated, so that dust particles in the gas are better adsorbed to the silica gel spiral block 211, the cleaning degree of the inside of the gas is improved to a certain degree, errors caused by more dust particles in gas detection are reduced, through the triangular block strips 221 arranged on two sides of the through hole 22, after the gas enters the through hole 22, the contact area between the walls of the triangular block strips 221 and the gas is improved, and because the triangular block strips 221 are made of silica gel, the dust particles in the gas in the through hole 22 are better adsorbed by the triangular block strips 221, so that the cleaning degree of the gas flowing into the first hole 21 is improved, through linking firmly iron prop 222 on triangle piece strip 221, receive the reason of gas impact, iron prop 222 takes the triangle piece swing on the triangle piece strip 221, has improved the clean degree of triangle piece strip 221 to the dust particle to a certain extent to improve gas detector's availability factor.
As an embodiment of the present invention, the end of the through hole 22 with a larger hole cross section is provided with a swing block 223, two sides of the through hole 22 are symmetrical around the swing block 223, one side of the swing block 223 is provided with a spoiler 224, and the spoiler 224 is positioned in the through hole 22;
when the electric motor 12 rotates, the rotating fan 13 rotates, external air enters the through hole 22, the triangular block strips 221 in the through hole 22 adsorb dust particles in the air, so that when the air enters the first hole 21, the air cleanness is high, when the swinging block 223 and the turbulence cloth 224 are arranged, on one hand, when the air enters the through hole 22, the airflow generated by the air disturbs the turbulence cloth 224, the turbulence cloth 224 swings, so that when the air passes through the through hole 22, the air approaches to two sides of the through hole 22 through the turbulence cloth 224, so that the efficiency of the triangular block strips 221 for clearing the dust particles in the air is improved, thereby reducing errors caused by more dust particles in the air detection, on the other hand, when the air enters the through hole 22, the turbulence plate 224 disturbs the air, so that the force of the air entering the first hole 21 through the through hole 22 is increased, the silica gel spiral block 211 in the first hole 21 can increase the adsorption performance of dust particles in the gas, so that the service efficiency of the gas detector is improved.
As a specific embodiment of the present invention, two sides of the spoiler 224 are fixedly connected with spoiler strips 225, the spoiler strips 225 are sheet-shaped and made of silica gel;
when the gas-dust-adsorbing type gas-dust collector is used, when gas enters the through hole 22, the gas disturbs the turbulent cloth 224, the turbulent cloth 224 swings, dust particles in the gas are further adsorbed, the gas cleanliness when the gas enters the first hole 21 is increased, the turbulent strips 225 are arranged on two sides of the turbulent cloth 224, when the turbulent cloth 224 swings, the turbulent strips 225 are acted by gas flow generated by the gas, the turbulent strips 225 are unfolded, on one hand, when the turbulent strips 225 are unfolded, the gas in the through hole 22 is further extruded to the through hole 22 twice, the triangular block strips 221 on the inner wall of the through hole 22 adsorb the dust particles in the gas, so that when the gas enters the first hole 21 through the through hole 22, the gas cleanliness is improved, on the other hand, when the gas passes through the through hole 22, the turbulent strips 225 on the turbulent cloth 224 are made of silica gel, and adsorb the dust particles in the gas in the through hole 22, make gas more clean when entering hole 21 to it is cleaner when entering cavity 11, thereby improve gas detector's availability factor.
When the formaldehyde concentration in the gas is detected by using the gas detector, the gas detector is opened, the electric motor 12 rotates, the rotating fan 13 in the cavity 11 rotates anticlockwise, the gas in the cavity 11 is discharged out of the gas detector, the external gas flows into the first hole 21 through the through hole 22 and then flows into the cavity 11 through the first hole 21, then the gas detector detects the gas, when the external gas flows into the first hole 21, the amount of dust particles in the gas is reduced, thereby reducing the error caused by more dust particles in the gas detection process, prolonging the service life of the gas detector, cleaning the probe 2 by water, plugging the first hole 21 by the soft block 15, when the probe 2 is cleaned by water, water flow cannot enter the cavity 11, so that the gas detector is prevented from being out of order due to the fact that the water flow enters the cavity 11, and the practicability of the gas detector is improved; when the electric motor 12 rotates, the rotating fan 13 rotates, gas in the cavity 11 is exhausted, external gas flows into the first hole 21 through the through hole 22, and the silica gel spiral block 211 is arranged in the first hole 21, so that when the gas enters the first hole 21, the gas is contacted with the silica gel spiral block 211, and the cleaning degree of the gas is improved; when the gas detector is used for a plurality of times, the hole cover 23 is separated from the probe 2 by rotating the hole cover 23, the silica gel spiral block 211 is pulled out of the first hole 21 through the hole cover 23, and the silica gel spiral block 211 is cleaned, so that the use efficiency of the gas detector is improved; when external air enters the first hole 21 through the through hole 22, five groups of silica gel brushes 212 are arranged at the bottom ring of the silica gel spiral block 211, and the number of the upward silica gel brushes 212 in each ring is decreased by one group, so that the service life and the service efficiency of the gas detector are improved; when external air passes through the through hole 22 and enters the first hole 21, the through hole 22 is a conical hole, one end with a smaller hole section is positioned inside, when the electric motor 12 rotates, the external air enters the first hole 21 through the through hole 22, the conical through hole 22 enables the external air to have larger impact force when entering the first hole 21, dust particles in the air and the silica gel spiral block 211 are better adsorbed mutually, the cleaning degree of the inside of the air is improved to a certain degree, therefore, errors caused by more dust particles in the air detection are reduced, through the triangular block strips 221 arranged on two sides of the through hole 22, after the air enters the through hole 22, the contact area between the walls of the triangular block strips 221 and the air is improved, because the triangular block strips 221 are made of silica gel, the dust particles in the air in the through hole 22 are better adsorbed by the triangular block strips 221, and the cleaning degree of the air flowing into the first hole 21 is improved, by fixedly connecting the iron column 222 to the triangular block strip 221, due to the impact of gas, the iron column 222 drives the triangular block on the triangular block strip 221 to swing, so that the cleaning degree of the triangular block strip 221 to dust particles is improved to a certain extent, and the use efficiency of the gas detector is improved; when the electric motor 12 rotates, the rotating fan 13 rotates, external air enters the through hole 22, the triangular block strips 221 in the through hole 22 adsorb dust particles in the air, so that when the air enters the first hole 21, the air cleanliness is high, and when the swinging block 223 and the turbulence cloth 224 are arranged, the use efficiency of the air detector is improved; when gaseous entering perforating hole 22, gaseous disturbing to disturbing cloth 224, disturbing cloth 224 swings, the realization is further adsorbed the inside dust particle of gas, gaseous cleanliness when making gaseous entering a hole 21 increases, through set up disturbing strip 225 in disturbing cloth 224 both sides, when disturbing cloth 224 swings, disturbing strip 225 receives the produced air current effect of gaseous, and disturbing strip 225 expandes, and gaseous cleanliness improves to improve gas detector's availability factor.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (6)
1. The gas detector for environment detection comprises a detection body (1) and a probe (2), wherein the probe (2) is fixedly connected above the detection body (1), and the gas detector is characterized in that a hole (21) is formed in the center of the interior of the probe (2), the hole (21) extends into the detection body (1), a silica gel layer is fixedly connected to the inner wall of the hole (21), a through hole (22) is uniformly formed in the outer ring of the probe (2), one end of the through hole (22) is communicated with the hole (21), a cavity (11) is formed in one end, close to the probe (2), in the detection body (1), the cavity (11) is communicated with the hole (21), an electric motor (12) is fixedly connected to the bottom of the cavity (11), an output shaft of the electric motor (12) extends into the cavity (11), a rotating fan (13) is fixedly connected to the end portion of the output shaft of the electric motor (12), and a plate groove (14) is formed above the cavity (11), the plate groove (14) is located below the probe (2), the soft block (15) is connected in the plate groove (14) in a sliding mode, the starting groove (16) is formed in the position, corresponding to the plate groove (14), of the detection body (1), the starting groove (16) is communicated with the plate groove (14), the starting key (17) is arranged in the starting groove (16), and the starting key (17) is fixedly connected with the soft block (15).
2. The gas detection instrument for environmental monitoring according to claim 1, wherein: probe (2) top is provided with handhole door (23), handhole door (23) and probe (2) threaded connection, sliding connection has silica gel spiral piece (211) in hole (21), and silica gel spiral piece (211) one end links firmly with handhole door (23), and the other end stretches into a hole (21) and cavity (11) intercommunication department.
3. The gas detection instrument for environmental monitoring according to claim 2, wherein: the spiral number of turns of silica gel spiral piece (211) is five circles, the round surface of silica gel spiral piece (211) below has linked firmly five groups of silica gel brushes (212), and silica gel spiral piece (211) descend progressively reduced a set of the quantity of every circle of silica gel brush (212) from bottom to top.
4. The gas detection instrument for environmental monitoring according to claim 3, wherein: perforating hole (22) are the bell mouth, and perforating hole (22) are close to the hole cross-section of a hole (21) one end less, and perforating hole (22) both sides wall all links firmly triangle piece strip (221), and the material of triangle piece strip (221) is silica gel, every triangle piece point portion on triangle piece strip (221) has all linked firmly iron prop (222).
5. The gas detection instrument for environmental monitoring according to claim 4, wherein: the large end of the hole cross section of the through hole (22) is provided with a swing block (223), the two sides of the through hole (22) are centrosymmetric through the swing block (223), one side of the swing block (223) is provided with a turbulent flow cloth (224), and the turbulent flow cloth (224) is located in the through hole (22).
6. The gas detection instrument for environmental monitoring according to claim 5, wherein: turbulence strip (225) have been linked firmly to turbulence cloth (224) both sides, and turbulence strip (225) are the slice, and the material is silica gel.
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| CN202110359792.1A CN113203830B (en) | 2021-04-02 | 2021-04-02 | Gas detector for environment detection |
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| CN202110359792.1A CN113203830B (en) | 2021-04-02 | 2021-04-02 | Gas detector for environment detection |
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| CN113203830B CN113203830B (en) | 2024-02-27 |
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| CN113203830B (en) | 2024-02-27 |
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Effective date of registration: 20240125 Address after: 257000, 6th floor, Building A, Building 4, Taoran Wealth Port, Huanghe Road, Huanghe Street, Dongying District, Dongying City, Shandong Province Applicant after: SHANDONG DEFENG PETROLEUM EQUIPMENT Co.,Ltd. Country or region after: China Address before: 408000 room 602, building 5, Jinsui Huating, No. 25, Xinghua West Road, Fuling District, Chongqing Applicant before: Li Qiqi Country or region before: China |
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