CN114778769A - Measuring device and measuring method for detecting concentration of carbon dioxide - Google Patents
Measuring device and measuring method for detecting concentration of carbon dioxide Download PDFInfo
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- CN114778769A CN114778769A CN202210382472.2A CN202210382472A CN114778769A CN 114778769 A CN114778769 A CN 114778769A CN 202210382472 A CN202210382472 A CN 202210382472A CN 114778769 A CN114778769 A CN 114778769A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 63
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002689 soil Substances 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
-
- 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
- G01N1/38—Diluting, dispersing or mixing samples
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of carbon dioxide measurement, and discloses a measuring device and a measuring method for detecting the concentration of carbon dioxide, wherein the measuring device comprises the following components: the top end of the sample bin is provided with a sealing top cover, and one end of the sealing top cover is hinged with one end of the sample bin; the mixing structure is arranged inside the sample bin; the detection structure is arranged at one end inside the sample bin; the other end of the sealing top cover is provided with a fixing structure, and the fixing structure comprises a fixing clamping block; the edge of the sealing top cover and the sample bin contact surface is provided with a sealing structure, and the sealing structure comprises a first side plate. The invention has the advantages that the concentration of the carbon dioxide in the sample bin can be detected through the detection structure, and the detection structure can also adjust the height of the sampling tube, so that the concentration of the carbon dioxide with different heights can be conveniently detected, because the weight of the carbon dioxide is higher than that of the oxygen, and the carbon dioxide content difference exists in the same position.
Description
Technical Field
The invention relates to the field of carbon dioxide measurement, in particular to a measuring device and a measuring method for detecting the concentration of carbon dioxide.
Background
Carbon dioxide gas is one of industrial gases, is one of main components in air, is colorless, transparent, nonflammable and slightly sour, and is difficult to find by naked eyes, is a common greenhouse gas, is a gaseous compound, is higher in density than air, is slightly soluble in water, and reacts with water to generate carbonic acid;
the device has the functions of preventing human poisoning in the high-concentration carbon dioxide environment by monitoring the concentration of carbon dioxide in the air; when the concentration of carbon dioxide in the air is lower than two percent, the carbon dioxide has no obvious harm to people, and when the concentration of carbon dioxide is higher than the concentration, the carbon dioxide can cause the asphyxia phenomenon of the human body and can cause the damage of the respiratory organs of the human body, and under the condition of low oxygen, the carbon dioxide with the concentration of eight to ten percent can cause the death of people and livestock in a short time;
however, in an environment with a high concentration of carbon dioxide, plants grow faster and larger; therefore, a proper amount of carbon dioxide is beneficial, but the excessive carbon dioxide can cause global warming, and the result of the global warming can influence the atmospheric circulation, thereby changing the global rainfall distribution and the water content of the soil on the surface of each continent;
the traditional device is not accurate enough in detection, and the weight of carbon dioxide is higher than that of oxygen, so that the content of carbon dioxide at a high position is lower than that at a low position at the same position under the condition of no pressure difference, and the detection result is inaccurate;
the traditional device detects inaccurately, and the internal portion of the storehouse of experiment is not sealed enough, because there is pressure difference in the storehouse body and the outside, so carbon dioxide's concentration also can change when the air flows, and this can lead to detecting inaccurately.
Disclosure of Invention
The present invention is directed to a measuring device and a measuring method for detecting carbon dioxide concentration to solve the above problems.
The technical scheme of the invention is as follows: a measuring device for detecting a concentration of carbon dioxide, comprising:
the top end of the sample bin is provided with a sealing top cover, and one end of the sealing top cover is hinged with one end of the sample bin;
the mixing structure is arranged inside the sample bin and comprises a supporting plate, and one end of the supporting plate is fixedly connected with the sample bin;
the detection structure is arranged at one end inside the sample bin and comprises a fixed back plate, and one end of the fixed back plate is fixedly connected with the sample bin;
the other end of the sealing top cover is provided with a fixing structure, the fixing structure comprises a fixing fixture block, and the fixing fixture block is fixedly connected with the sample bin;
the edge of the contact surface of the seal top cover and the sample bin is provided with a seal structure, the seal structure comprises a first side plate, and the first side plate is close to one side of the seal top cover and is fixedly connected with the seal top cover.
Furthermore, the top of backup pad is equipped with first motor, and the output fixedly connected with of first motor mixes the fan, the junction of first motor and mixing the fan is equipped with the connecting piece.
Further, the hybrid fan is a frame-shaped plate body, and the interior of the hybrid fan is hollow.
Furthermore, the bottom of fixed backplate is equipped with the second motor, and the output of second motor is connected with the transmission lead screw, the top of transmission lead screw is run through and is had the removal slider, and removes and be the screw drive relation between slider and the transmission lead screw.
Furthermore, one side fixedly connected with limit slide block of removal slider, and limit slide block's inside runs through there is limit slide bar, be the sliding connection relation between limit slide bar and the limit slide block, fixed connection between limit slide bar's top and bottom and the fixed backplate.
Furthermore, one end of the movable sliding block is fixedly connected with a detector, the bottom end of the detector is fixedly connected with a testing needle, the bottom end of the detector is provided with a sampling tube, and the surface of the sampling tube is provided with a plurality of groups of through holes.
Furthermore, a connecting shaft is arranged at the top end of the fixed clamping block, one end of the connecting shaft is fixedly connected with the sealing top cover, a fixed buckle penetrates through the surface of the connecting shaft and is in a semicircular bent shape, and the fixed buckle and the fixed clamping block are in a buckle connection relationship.
Furthermore, the bottom of the first side plate is provided with a second side plate, the second side plate is fixedly connected with the sample bin, one side, close to each other, of the first side plate and the second side plate is provided with an embedded groove, a sealing rubber ring is arranged inside the embedded groove, the sealing rubber ring is in an annular shape and has elasticity, the bottom of the sealing top cover is fixedly connected with an installation buckle, the top of the sample bin is fixedly connected with an installation clamp groove, and the installation clamp groove and the installation buckle are in buckle connection relation.
The invention also provides a measuring method for detecting the concentration of carbon dioxide, which comprises the steps of firstly placing the measuring device at a place to be detected for sampling, then turning over the sealing top cover to close the bin body, so that the gas in the sample bin is in a sealed space, and mixing the air in the sample bin by starting the first motor and rotating the mixing fan in a first detection mode, and then detecting by the detector; the second kind detects the mode through detecting the structure direct detection carbon dioxide concentration, through the sampling tube sample, and the not co-altitude air of multi-unit through-hole can be sampled, and the concentration of carbon dioxide under the rethread test needle detection is with high.
Compared with the prior art, the invention provides a measuring device and a measuring method for detecting the concentration of carbon dioxide by improvement, and the measuring device and the measuring method have the following improvements and advantages:
one of them, can detect the carbon dioxide concentration in the sample storehouse through detecting the structure, and detect the height that the sampling tube can also be adjusted to the structure, be convenient for detect the concentration of not co-altitude carbon dioxide, because the weight of carbon dioxide is higher than the weight of oxygen, so under the condition that does not have pressure difference, the carbon dioxide content of eminence can be less than the carbon dioxide content of lowland on the same position, the advantage that detects the structure avoids influencing the accuracy of testing result, can cooperate through mixed structure in addition, make the carbon dioxide distribution of co-altitude not more even in the inside air of sample storehouse, the carbon dioxide in the direct detection air of this kind of mode is convenient for.
The connection part of the sample bin and the sealing top cover can be sealed through the sealing structure, the sealing structure can be used for sealing the contact surfaces of the first side plate and the second side plate through the matching of the sealing rubber ring and the embedded groove, and can also be used for connecting and fixing the connection part through the installation clamping groove and the installation buckle, so that the dislocation of the sealing rubber ring and the embedded groove caused by shaking is avoided, and in addition, the connection part of the sample bin and the sealing top cover is further reinforced through the fixing structure, so that the dislocation of the inner wall and the outside is prevented when the upper part and the lower part are installed; the effect of this structure is the sealed storehouse body, avoids leading to the air current because the pressure difference in the storehouse body is inside and outside, makes the concentration of carbon dioxide change, influences the accuracy that detects.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial schematic view of a hybrid structure of the present invention;
FIG. 3 is a schematic view of the opening of a sample chamber according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 5 is a schematic cross-sectional view of a sample chamber of the present invention;
FIG. 6 is a partially enlarged view of the detecting structure according to the present invention;
FIG. 7 is a partially enlarged view of the sampling tube of the present invention;
fig. 8 is a schematic cross-sectional view of a seal structure of the present invention.
Description of reference numerals: 1. a sample bin; 2. sealing the top cover; 3. a hybrid structure; 301. a support plate; 302. a first motor; 303. a connecting member; 304. a mixing fan; 4. a sealing structure; 401. a first side plate; 402. a second side plate; 403. installing a clamping groove; 404. mounting a buckle; 405. sealing the rubber ring; 406. embedding a groove; 5. a fixed structure; 501. fixing the clamping block; 502. a connecting shaft; 503. fixing a buckle; 6. detecting the structure; 601. fixing the back plate; 602. a transmission screw rod; 603. moving the slide block; 604. a second motor; 605. a limiting slide bar; 606. a limiting slide block; 607. a detector; 608. a sampling tube; 609. a through hole; 610. and (6) testing needles.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides a measuring apparatus for detecting a carbon dioxide concentration by improvement as shown in fig. 1 to 8, a measuring apparatus for detecting a carbon dioxide concentration comprising:
the device comprises a sample bin 1, wherein a sealing top cover 2 is arranged at the top end of the sample bin 1, and one end of the sealing top cover 2 is hinged with one end of the sample bin 1;
the mixing structure 3 is arranged in the sample bin 1, carbon dioxide at different heights in the air in the sample bin 1 can be distributed more uniformly through the mixing structure 3, the carbon dioxide in the air can be directly detected conveniently in this way, the mixing structure 3 comprises a support plate 301, and one end of the support plate 301 is fixedly connected with the sample bin 1;
the top end of the supporting plate 301 is provided with a first motor 302, the output end of the first motor 302 is fixedly connected with a mixing fan 304, the first motor 302 is started through an external power supply to drive the mixing fan 304 to rotate, so that the air sample in the sample bin 1 can be mixed, a connecting piece 303 is arranged at the connecting position of the first motor 302 and the mixing fan 304, and the connecting piece 303 is used for sealing a connecting port;
the mixing fan 304 is a frame-shaped plate body, and the interior of the mixing fan 304 is hollow;
the detection structure 6 is arranged at one end inside the sample bin 1, the concentration of carbon dioxide in the sample bin 1 can be detected through the detection structure 6, the weight of the carbon dioxide is higher than that of oxygen, so that the content of the carbon dioxide at a high position at the same position can be lower than that at a low position under the condition of no pressure difference, the detection structure 6 has the advantage of avoiding influencing the accuracy of a detection result, and the detection structure 6 comprises a fixed back plate 601, and one end of the fixed back plate 601 is fixedly connected with the sample bin 1;
the bottom end of the fixed back plate 601 is provided with a second motor 604, the second motor 604 is started through an external power supply, the output end of the second motor 604 is connected with a transmission screw 602, the second motor 604 drives the transmission screw 602 to rotate, a movable slider 603 penetrates through the top end of the transmission screw 602, the transmission screw 602 drives the movable slider 603 to move up and down through thread transmission, and the movable slider 603 and the transmission screw 602 are in thread transmission relation;
one side of the movable sliding block 603 is fixedly connected with a limiting sliding block 606, a limiting sliding rod 605 penetrates through the limiting sliding block 606, the limiting sliding rod 605 and the limiting sliding block 606 are used for limiting, the limiting sliding rod 605 and the limiting sliding block 606 are in sliding connection, and the top end and the bottom end of the limiting sliding rod 605 are fixedly connected with the fixed back plate 601;
one end of the movable sliding block 603 is fixedly connected with a detector 607, the movable sliding block 603 drives the detector 607 to move up and down, the bottom end of the detector 607 is fixedly connected with a test needle 610, the test needle 610 is used for detecting the concentration of carbon dioxide in air, the bottom end of the detector 607 is provided with a sampling tube 608, the detector 607 drives the sampling tube 608 to move so as to sample air with different heights and detect the concentration of carbon dioxide with different heights, the surface of the sampling tube 608 is provided with a plurality of groups of through holes 609, and the through holes 609 on the sampling tube 608 are used for uniform sampling;
the fixing structure 5 is arranged at the other end of the sealing top cover 2, the connecting part of the sample bin 1 and the sealing top cover 2 is reinforced through the fixing structure 5, and dislocation between the inner wall and the outside is prevented when the upper part and the lower part are installed; the structure has the effect of closing the connection part, so that the phenomenon that the concentration of carbon dioxide is changed to influence the detection accuracy due to air flow caused by the pressure difference between the inside and the outside of the bin body is avoided; the fixing structure 5 comprises a fixing fixture block 501, and the fixing fixture block 501 is fixedly connected with the sample bin 1;
the top end of the fixed clamping block 501 is provided with a connecting shaft 502, one end of the connecting shaft 502 is fixedly connected with the sealing top cover 2, the fixed clamping block 501 and the connecting shaft 502 are respectively fixed with the joint of the sample chamber 1 and the sealing top cover 2, a fixed buckle 503 penetrates through the surface of the connecting shaft 502, one end of the fixed buckle 503 is hinged with the connecting shaft 502, the fixed buckle 503 is turned over when the sample chamber is used, the fixed buckle 503 is in a semicircular bent shape, the fixed buckle 503 and the fixed clamping block 501 are in a buckle connection relationship, and the outer side of the joint of the sample chamber 1 and the sealing top cover 2 can be fixed when the sample chamber is connected;
the edge of the contact surface of the sealing top cover 2 and the sample bin 1 is provided with the sealing structure 4, the joint of the sample bin 1 and the sealing top cover 2 can be sealed through the sealing structure 4, the sealing structure 4 comprises a first side plate 401, and one side of the first side plate 401, which is close to the sealing top cover 2, is fixedly connected with the sealing top cover 2;
the bottom end of the first side plate 401 is provided with a second side plate 402, the first side plate 401 and the second side plate 402 are spliced, the second side plate 402 is fixedly connected with the sample bin 1, one side, close to each other, of the first side plate 401 and the second side plate 402 is provided with an embedded groove 406, a sealing rubber ring 405 is arranged inside the embedded groove 406, the sealing rubber ring 405 is embedded into the embedded groove 406, the joint of the first side plate 401 and the second side plate 402 can be sealed, the sealing rubber ring 405 is annular and elastic, the bottom end of the sealing top cover 2 is fixedly connected with an installation buckle 404, the top end of the sample bin 1 is fixedly connected with an installation clamping groove 403, the installation clamping groove 403 is in clamping connection with the installation buckle 404, and the installation clamping groove 403 is in clamping connection with the installation buckle 404, so that the inner wall of the joint of the sample bin 1 and the sealing top cover 2 can be fixed conveniently; the sealing structure 4 can not only seal the contact surfaces of the first side plate 401 and the second side plate 402 by the sealing rubber ring 405 and the embedded groove 406 in a matching manner, but also can be fixedly connected by the mounting clamping groove 403 and the mounting clamp 404 in a clamping manner, so that the dislocation of the sealing rubber ring 405 and the embedded groove 406 caused by shaking is avoided;
the working principle is as follows: the second motor 604 is started through an external power supply, the second motor 604 drives the transmission screw rod 602 to rotate, the transmission screw rod 602 drives the movable sliding block 603 to move up and down through thread transmission, the limiting sliding rod 605 and the limiting sliding block 606 are used for limiting, the movable sliding block 603 drives the detector 607 to move up and down, the detector 607 drives the sampling tube 608 to move so as to sample air with different heights, the through hole 609 in the sampling tube 608 is used for uniform sampling, and the test needle 610 is used for detecting the concentration of carbon dioxide in the air; another detection mode is that the first motor 302 is started to mix carbon dioxide in the sample bin 1, the first motor 302 is started through an external power supply to drive the mixing fan 304 to rotate, so that an air sample in the sample bin 1 can be mixed, and the connecting piece 303 is used for sealing the connecting port.
The sample bin 1 and the sealing top cover 2 are closed firstly, and the first side plate 401 and the second side plate 402 are spliced, so that the sealing rubber ring 405 is embedded into the embedded groove 406, the joint of the first side plate 401 and the second side plate 402 can be sealed, and the installation clamping groove 403 is connected with the installation buckle 404 in a clamping manner, so that the inner wall of the joint of the sample bin 1 and the sealing top cover 2 can be fixed conveniently. The working principle of the fixing structure 5 is that the fixing block 501 and the connecting shaft 502 are fixed to the joint of the sample chamber 1 and the sealing top cover 2, respectively, one end of the fixing buckle 503 is hinged to the connecting shaft 502, and the fixing buckle 503 is turned over during use, so that the bottom end of the fixing buckle 503 is connected with the fixing block 501 in a clamping manner, and the outer side of the joint of the sample chamber 1 and the sealing top cover 2 can be fixed.
The measuring device is placed at a place needing to be detected for sampling, the sealing top cover 2 is turned over to close the bin body, so that the gas in the sample bin 1 is in a sealed space, and the first detection mode is to start the first motor 302 to rotate the mixing fan 304 to mix the air in the sample bin 1 and then detect the air through the detector 607; the second detection mode is to directly detect the concentration of carbon dioxide through the detection structure 6, sample through the sampling tube 608, sample air with different heights through the multiple groups of through holes 609, and detect the concentration of carbon dioxide at the same height through the test needle 610.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A measuring device for detecting a carbon dioxide concentration, characterized by comprising:
the device comprises a sample bin (1), wherein a sealing top cover (2) is arranged at the top end of the sample bin (1), and one end of the sealing top cover (2) is hinged with one end of the sample bin (1);
the mixing structure (3) is arranged in the sample bin (1), the mixing structure (3) comprises a supporting plate (301), and one end of the supporting plate (301) is fixedly connected with the sample bin (1);
the detection structure (6) is arranged at one end inside the sample bin (1), the detection structure (6) comprises a fixed back plate (601), and one end of the fixed back plate (601) is fixedly connected with the sample bin (1);
the other end of the sealing top cover (2) is provided with a fixing structure (5), the fixing structure (5) comprises a fixing fixture block (501), and the fixing fixture block (501) is fixedly connected with the sample bin (1);
the edge of the contact surface of the sealing top cover (2) and the sample bin (1) is provided with the sealing structure (4), the sealing structure (4) comprises a first side plate (401), and the first side plate (401) is close to one side of the sealing top cover (2) and is fixedly connected with the sealing top cover (2).
2. A measuring apparatus for detecting a concentration of carbon dioxide according to claim 1, wherein: the top of backup pad (301) is equipped with first motor (302), and the output fixedly connected with of first motor (302) mixes fan (304), the junction of first motor (302) and mixing fan (304) is equipped with connecting piece (303).
3. A measuring apparatus for detecting a concentration of carbon dioxide according to claim 2, wherein: the mixing fan (304) is a frame-shaped plate body, and the interior of the mixing fan (304) is hollow.
4. A measuring device for detecting a concentration of carbon dioxide according to claim 3, wherein: the bottom of stationary backplate (601) is equipped with second motor (604), and the output of second motor (604) is connected with transmission lead screw (602), the top of transmission lead screw (602) is run through and is moved slider (603), and is the screw thread transmission relation between removal slider (603) and transmission lead screw (602).
5. A measuring device for detecting a concentration of carbon dioxide according to claim 4, wherein: one side of the movable sliding block (603) is fixedly connected with a limiting sliding block (606), a limiting sliding rod (605) penetrates through the limiting sliding block (606), the limiting sliding rod (605) and the limiting sliding block (606) are in sliding connection, and the top end and the bottom end of the limiting sliding rod (605) are fixedly connected with the fixed back plate (601).
6. A measuring apparatus for detecting a concentration of carbon dioxide according to claim 5, wherein: one end of the movable sliding block (603) is fixedly connected with a detector (607), the bottom end of the detector (607) is fixedly connected with a testing needle (610), the bottom end of the detector (607) is provided with a sampling tube (608), and the surface of the sampling tube (608) is provided with a plurality of groups of through holes (609).
7. A measuring apparatus for detecting a concentration of carbon dioxide according to claim 6, wherein: the top end of the fixed clamping block (501) is provided with a connecting shaft (502), one end of the connecting shaft (502) is fixedly connected with the sealing top cover (2), a fixed buckle (503) penetrates through the surface of the connecting shaft (502), the fixed buckle (503) is in a semicircular bent shape, and the fixed buckle (503) and the fixed clamping block (501) are in a buckle connection relationship.
8. A measuring device for detecting a concentration of carbon dioxide according to claim 6, wherein: the bottom of first curb plate (401) is equipped with second curb plate (402), and fixed connection between second curb plate (402) and sample storehouse (1), one side that first curb plate (401) and second curb plate (402) are close to each other all is equipped with embedded recess (406), and the inside of embedded recess (406) is equipped with sealing rubber circle (405), sealing rubber circle (405) are cyclic annular appearance and have elasticity, the bottom fixedly connected with installation buckle (404) of sealing top cap (2), the top fixedly connected with installation card groove (403) in sample storehouse (1), and be buckle connection relation between installation card groove (403) and installation buckle (404).
9. A measuring method for detecting the concentration of carbon dioxide is characterized in that: the measuring device of any one of claims 6 to 8 is placed at a place needing to be detected for sampling, then the sealing top cover (2) is turned over to close the bin body, so that the gas inside the sample bin (1) is in a sealed space, and the first detection mode is to mix the air inside the sample bin (1) by starting the first motor (302) to rotate the mixing fan (304) and detect the air by the detector (607); the second detection mode is that the concentration of carbon dioxide is directly detected through the detection structure (6), sampling is carried out through the sampling tube (608), air with different heights can be sampled through the multiple groups of through holes (609), and then the concentration of the carbon dioxide at the same height is detected through the test needle (610).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210382472.2A CN114778769A (en) | 2022-04-12 | 2022-04-12 | Measuring device and measuring method for detecting concentration of carbon dioxide |
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| CN202210382472.2A CN114778769A (en) | 2022-04-12 | 2022-04-12 | Measuring device and measuring method for detecting concentration of carbon dioxide |
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