CN215677749U - Sampling device for atmospheric particulate matter detection - Google Patents
Sampling device for atmospheric particulate matter detection Download PDFInfo
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- CN215677749U CN215677749U CN202121419419.2U CN202121419419U CN215677749U CN 215677749 U CN215677749 U CN 215677749U CN 202121419419 U CN202121419419 U CN 202121419419U CN 215677749 U CN215677749 U CN 215677749U
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Abstract
The utility model discloses a sampling device for detecting atmospheric particulates, which comprises a collecting cylinder, wherein the top side in the collecting cylinder is rotatably connected with a rotating rod, the upper half part of the outer surface of the collecting cylinder is provided with a placing groove, and the inside of the placing groove is rotatably connected with an absorption mechanism, and the sampling device has the advantages that: at first start fan and motor, the fan passes through suction head department and absorbs external gas, the motor rotates the bull stick and passes through connecting rod rotation absorbing mechanism, make the suction head rotatory, the lead screw also rotates when the bull stick pivoted, the slider consequently reciprocates, utilize the connecting rod to make the suction head tilting, when gas passes through the filter core, the particulate matter is intercepted by the filter core, and remaining gas is then through the gas vent discharge to the external world, the frame is placed in the rethread rotation and takes out the filter core, it can to detect it to utilize detection mechanism, make this device carry out multiple sampling to an area, make the data of sampling more accurate, it is representative.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to a sampling device for detecting atmospheric particulates.
Background
The process of collecting pollutant sample or polluted air sample in atmosphere includes two kinds: one is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich pollutants with lower concentration in the atmosphere, such as an air extraction method and a filter membrane method; another type is to collect the air containing the contaminant with a container that measures the average concentration of the contaminant in the atmosphere over the time of the sample and an instantaneous concentration or average concentration over a short period of time.
The existing atmospheric particulate sampling device can only sample one specific region generally, so that the sampled data is not accurate enough and is not representative, and the existing atmospheric particulate sampling device often has the condition of particulate residue, which affects the measurement accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a sampling device for detecting atmospheric particulates.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sampling device for detecting atmospheric particulates comprises a collecting barrel, wherein a rotating rod is rotatably connected to the top side of the interior of the collecting barrel, a placing groove is formed in the upper half part of the outer surface of the collecting barrel, an absorption mechanism is rotatably connected to the interior of the placing groove, a connecting rod fixedly connected with the absorption mechanism is fixedly connected to the outer surface of the rotating rod, the absorption mechanism comprises a sliding ring, inlets are formed in two sides of the sliding ring, a hose is fixedly connected to the interior of each inlet, a suction head is fixedly connected to one end, located on the outer side of the collecting barrel, of the hose, a support is fixedly connected to the interior of the collecting barrel, a motor is fixedly connected to the center of the top of the support, the output end of the motor is fixedly connected with the rotating rod, exhaust ports are formed in two sides of the lower half part of the outer surface of the collecting barrel, a fan is fixedly connected to the interior of each exhaust port, and the collecting mechanism is connected to the interior of the collecting barrel through threads, the collecting mechanism is positioned inside the two groups of fans.
Preferably, the top fixedly connected with lead screw of bull stick, the lead screw is located the top of a collecting vessel, the surface threaded connection of lead screw has the slider, the draw-in groove has been seted up to the surface of slider, the inside sliding connection of draw-in groove has two sets of sliders, the surface of slider articulates through the articulated elements has the connecting rod, the other end of connecting rod is articulated with the surface of suction head.
Preferably, the outer surface of the rotating rod is fixedly connected with a supporting rod, the other side of the supporting rod is fixedly connected with a sweeping plate, and the sweeping plate is connected with the inner wall of the collecting cylinder in a fitting manner.
Preferably, the collecting mechanism comprises a placing frame in the collecting barrel in a threaded connection mode, two sets of limiting grooves are formed in the top of the placing frame, limiting blocks are clamped in the limiting grooves, and the limiting blocks are fixedly connected with filter cores.
Preferably, the bottom of the collecting cylinder is in threaded connection with a bottom cover, and the top of the screw rod is fixedly connected with a limiting plate.
The utility model has the beneficial effects that: at first start fan and motor, the fan passes through suction head department and absorbs external gas, the motor rotates the bull stick and passes through connecting rod rotation absorbing mechanism, make the suction head rotatory, the lead screw also rotates when the bull stick pivoted, the slider consequently reciprocates, utilize the connecting rod to make the suction head tilting, when gas passes through the filter core, the particulate matter is intercepted by the filter core, and remaining gas is then through the gas vent discharge to the external world, the frame is placed in the rethread rotation and takes out the filter core, utilize detection mechanism to detect it can, make this device carry out multiple sampling to an area, make the data of sampling more accurate, it is representative, the bracing piece drives the sweep board rotation simultaneously to the bull stick pivoted, thereby clean the granule to the collecting vessel inner wall, avoid the last time measuring particulate matter that glues on the inner wall, influence this time measuring accuracy nature.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the absorbent portion of the present invention;
fig. 4 is a schematic view of the filter part structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1-4, the sampling device for detecting atmospheric particulates provided by the present invention comprises a collecting cylinder 1, a rotating rod 2 is rotatably connected to the top side of the interior of the collecting cylinder 1, a placing groove 3 is formed on the upper half portion of the outer surface of the collecting cylinder 1, an absorbing mechanism 4 is rotatably connected to the interior of the placing groove 3, a connecting rod 5 fixedly connected to the absorbing mechanism 4 is fixedly connected to the outer surface of the rotating rod 2, the absorbing mechanism 4 comprises a slip ring 401, an inlet 402 is formed on both sides of the slip ring 401, a hose 403 is fixedly connected to the interior of the inlet 402, a suction head 404 is fixedly connected to one end of the hose 403 located at the outer side of the collecting cylinder 1, a support 6 is fixedly connected to the interior of the collecting cylinder 1, a motor 7 is fixedly connected to the top center of the support 6, an output end of the motor 7 is fixedly connected to the rotating rod 2, exhaust ports 8 are formed on both sides of the lower half portion of the outer surface of the collecting cylinder 1, and a fan 10 is fixedly connected to the interior of the exhaust ports 8, the inner threads of the collecting cylinder 1 are connected with a collecting mechanism 9, and the collecting mechanism 9 is positioned inside the two groups of fans 10; start fan 10 and motor 7 earlier, fan 10 passes through suction head 404 and locates to absorb external gas, motor 7 rotates bull stick 2 and rotates absorbing mechanism 4 through connecting rod 5, make suction head 404 rotatory, when gaseous through collecting mechanism 9, the particulate matter is intercepted by collecting mechanism 9, and remaining gas then discharges to the external world through gas vent 8, take out collecting mechanism 9 again, it can to its detection to utilize detection mechanism, make this device carry out multiple sampling to an area, make the data of sampling more accurate, and is representative.
The top of the rotating rod 2 is fixedly connected with a screw rod 11, the screw rod 11 is positioned above the collecting cylinder 1, the outer surface of the screw rod 11 is in threaded connection with a first sliding block 12, the outer surface of the first sliding block 12 is provided with a clamping groove 13, the inside of the clamping groove 13 is in sliding connection with two groups of second sliding blocks 14, the outer surface of the second sliding blocks 14 is hinged with a connecting rod 15 through a hinged piece, and the other end of the connecting rod 15 is hinged with the outer surface of the suction head 404; the motor 7 rotates the rotating rod 2 and the screw rod 11 rotates, so that the slide block 1412 moves up and down, the suction head 404 rotates up and down by the connecting rod 15, the sampling area of the device is more averaged, and the sampled data is more accurate.
The outer surface of the rotating rod 2 is fixedly connected with a supporting rod 16, the other side of the supporting rod 16 is fixedly connected with a sweeping plate 17, and the sweeping plate 17 is connected with the inner wall of the collecting cylinder 1 in a fitting manner; the bracing piece 16 drives when bull stick 2 pivoted sweeps board 17 and rotates to clean the granule of collecting vessel 1 inner wall, avoid last measurement to glue the particulate matter on the inner wall, influence this measuring accuracy nature.
The collecting mechanism 9 comprises a placing frame 901 which is connected with the inside of the collecting cylinder 1 in a threaded manner, two groups of limiting grooves 902 are formed in the top of the placing frame 901, limiting blocks 903 are clamped in the two groups of limiting grooves 902, and a filter element 904 is fixedly connected between the two groups of limiting blocks 903; when gas passes through filter core 904, the particulate matter is intercepted by filter core 904, and remaining gas then discharges to the external world through gas vent 8, and the frame 901 is placed in the rethread rotation and takes out filter core 904, utilize detection mechanism to detect it can, establishment of spacing groove 902 can make the user upwards promote alright take out filter core 904, the washing of being convenient for.
The bottom of the collecting cylinder 1 is in threaded connection with a bottom cover 18, and the top of the screw rod 11 is fixedly connected with a limiting plate 19; the setting of bottom 18 has guaranteed the leakproofness of this device, and the setting of limiting plate 19 can carry out spacing to first slider 12, prevents that first slider 12 from breaking away from with lead screw 11.
Firstly, a fan 10 and a motor 7 are started, the fan 10 absorbs external air through a suction head 404, the motor 7 rotates a rotating rod 2 to rotate an absorption mechanism 4 through a connecting rod 5, so that the suction head 404 rotates, a screw rod 11 rotates while the rotating rod 2 rotates, a slide block 1412 moves up and down, the suction head 404 rotates up and down through a connecting rod 15, when the air passes through a filter element 904, particulate matters are intercepted by the filter element 904, the rest air is exhausted to the outside through an exhaust port 8, the filter element 904 is taken out by rotating a placing frame 901, and the detection mechanism is used for detecting the air, so that the device performs multiple sampling on an area, the sampled data is more accurate and representative, the supporting rod 16 drives a sweeping plate 17 to rotate while the rotating rod 2 rotates, thereby cleaning particles on the inner wall of a collecting cylinder 1, and avoiding the last measurement of the particulate matters stuck on the inner wall, affecting the accuracy of this measurement.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an atmospheric particulates detects uses sampling device which characterized in that: comprises a collecting cylinder (1), a rotating rod (2) is rotatably connected to the top side in the collecting cylinder (1), a placing groove (3) is formed in the upper half part of the outer surface of the collecting cylinder (1), an absorbing mechanism (4) is rotatably connected to the inside of the placing groove (3), a connecting rod (5) fixedly connected with the absorbing mechanism (4) is fixedly connected to the outer surface of the rotating rod (2), the absorbing mechanism (4) comprises a sliding ring (401), inlets (402) are formed in two sides of the sliding ring (401), a hose (403) is fixedly connected to the inside of each inlet (402), a suction head (404) is fixedly connected to one end, located on the outer side of the collecting cylinder (1), of the hose (403), a support (6) is fixedly connected to the inside of the collecting cylinder (1), a motor (7) is fixedly connected to the center of the top of the support (6), and the output end of the motor (7) is fixedly connected with the rotating rod (2), exhaust port (8) have all been seted up to the both sides of collecting vessel (1) surface lower half, the inside fixedly connected with fan (10) of exhaust port (8), the inside threaded connection of collecting vessel (1) has collection mechanism (9), it is located the inside of two sets of fan (10) to collect mechanism (9).
2. The sampling device for atmospheric particulates detection of claim 1, wherein: the top fixedly connected with lead screw (11) of bull stick (2), lead screw (11) are located the top of collecting vessel (1), the surface threaded connection of lead screw (11) has first slider (12), draw-in groove (13) have been seted up to the surface of first slider (12), the inside sliding connection of draw-in groove (13) has two sets of second sliders (14), the surface of second slider (14) articulates through the articulated elements has connecting rod (15), the other end of connecting rod (15) is articulated with the surface of suction head (404).
3. The sampling device for detecting the atmospheric particulates according to claim 1, characterized in that; the outer fixed surface of bull stick (2) is connected with bracing piece (16), board (17) is swept to the opposite side fixedly connected with of bracing piece (16), it is connected with the inner wall laminating of collecting vessel (1) to sweep board (17).
4. The sampling device for atmospheric particulates detection of claim 1, wherein: the collecting mechanism (9) comprises a placing frame (901) which is in threaded connection with the inside of the collecting cylinder (1), two sets of limiting grooves (902) are formed in the top of the placing frame (901), limiting blocks (903) are clamped in the limiting grooves (902), and filter elements (904) are fixedly connected between the limiting blocks (903).
5. The sampling device for atmospheric particulates detection of claim 2, characterized in that: the bottom of the collecting cylinder (1) is in threaded connection with a bottom cover (18), and the top of the screw rod (11) is fixedly connected with a limiting plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419419.2U CN215677749U (en) | 2021-06-25 | 2021-06-25 | Sampling device for atmospheric particulate matter detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419419.2U CN215677749U (en) | 2021-06-25 | 2021-06-25 | Sampling device for atmospheric particulate matter detection |
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| CN215677749U true CN215677749U (en) | 2022-01-28 |
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| CN202121419419.2U Active CN215677749U (en) | 2021-06-25 | 2021-06-25 | Sampling device for atmospheric particulate matter detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819014A (en) * | 2023-08-30 | 2023-09-29 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
-
2021
- 2021-06-25 CN CN202121419419.2U patent/CN215677749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819014A (en) * | 2023-08-30 | 2023-09-29 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
| CN116819014B (en) * | 2023-08-30 | 2023-11-07 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Poisonous gas monitoring equipment for monitoring power distribution environment |
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