Atmospheric dust fall sampling device with anti-static function

Abstract

The utility model discloses an atmospheric dust fall sampling device with an anti-static function, which comprises a box body, the top of the box body is provided with a sampling cylinder and a static electricity eliminator for eliminating static electricity of the box body, a sampling cylinder is installed on the surface of the box body, a filter screen for filtering collected dust is installed inside the sampling cylinder, an electrostatic grounding mechanism is installed on the outer side face of the box body, and a grounding rod used for being grounded to release static electricity is installed on the electrostatic grounding mechanism. Meanwhile, the static electricity eliminator is connected with the grounding rod through a wire, when the grounding rod makes contact with the ground, static electricity is guided into the ground to be released, and therefore the anti-static effect of the device is guaranteed, the influence of the static electricity on the device is avoided, dust fall collected in the sampling cylinder can be filtered through a filter screen, the dust fall can be separated from impurities, and the practicability is high. And therefore, dust fall can be conveniently and directly collected, and subsequent screening treatment is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric dust sampling technical field, concretely is atmospheric dust sampling device with anti -static function. BACKGROUND

[0002] Atmospheric dust sampling is an environmental monitoring technology, mainly used for collecting and analyzing atmospheric dust, i.e. particulate matter settled to the ground from the atmosphere, which is of great significance for understanding and evaluating air quality, environmental pollutant distribution and source. By collecting dust samples, the concentration of particulate matter (such as PM10 and PM2.5) in the air can be analyzed, which has a direct impact on human health and environmental quality. Specific pollutants from specific industrial activities or traffic emissions may be contained in the dust sample. By analyzing these pollutants, it can help identify pollution sources. In the environmental impact assessment of construction projects or industrial activities, atmospheric dust sampling can provide data support to help assess the potential impact of the project on the surrounding environment. Anti-static is very important during atmospheric dust sampling. Electrostatic discharge may cause electronic equipment failure or malfunction, cause electromagnetic interference, break integrated circuits and precision electronic components, or cause component aging, reducing production yield. In atmospheric dust sampling, electrostatic discharge may cause sample contamination or inaccurate measurement data.

[0003] At present, the anti-static effect of atmospheric dust sampling equipment is poor, and the release of static electricity is not thorough, and some impurities are mixed in the collected dust, which is not convenient for direct collection of dust.

[0004] Therefore, an atmospheric dust sampling device with anti-static function is proposed to solve the above problems. SUMMARY

[0005] 1. Technical problem to be solved by the utility model

[0006] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an atmospheric dust sampling device with anti-static function, aiming at solving the problems of poor anti-static effect of atmospheric dust sampling equipment, incomplete release of static electricity, and mixing of some impurities in the collected dust, which is not convenient for direct collection of dust.

[0007] 2. Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a kind of atmospheric dust sampling device with antistatic function, including box, sampling cylinder and the static eliminator for eliminating static electricity of box are installed at the top of the box, the inside of the sampling cylinder is installed with filter screen for filtering collected dust, static grounding mechanism is installed on the outside of the box, grounding rod for grounding and releasing static electricity is installed on the static grounding mechanism, and the grounding rod is connected with static eliminator by wire.

[0010] As the preferred scheme of the utility model, the inside bottom of the box is installed with a water storage tank, a flow guide plate is installed on one side of the box, the bottom of the flow guide plate is connected with one end of the top of the water storage tank, a water pump is installed in the cavity formed by one end of the water storage tank and the flow guide plate on the inside bottom of the box, and the water inlet pipe of the water pump is connected with the inside of the water storage tank and a filter core is installed at the connection.

[0011] As the preferred scheme of the utility model, the inside of the sampling cylinder is communicated with the inside of the box, and the filter screen is detachably installed in the inside of the sampling cylinder.

[0012] As the preferred scheme of the utility model, one end of the top of the box is installed with a support frame, one end of the top of the support frame is installed with a sprinkling ring, a plurality of nozzles are uniformly installed at the bottom of the sprinkling ring, the sprinkling ring is located directly above the sampling cylinder, and the size of the bottom of the sprinkling ring is smaller than the size of the top of the sampling cylinder.

[0013] As the preferred scheme of the utility model, one end of the sprinkling ring is connected with a water guide pipe, and one end of the water guide pipe is connected with the water outlet end of the water pump.

[0014] As the preferred scheme of the utility model, a groove is formed on one side of the box, grooves are formed on the two sides of the inside of the groove, and a fixed plate is installed on the top edge of the groove.

[0015] As the preferred scheme of the utility model, a sliding plate is installed on the static grounding mechanism, sliding blocks are symmetrically installed on the two sides of one end of the sliding plate, the sliding plate is located in the inside of the groove, and the sliding blocks are respectively slidably installed in the inside of the grooves, the grounding rod is installed at one end of the bottom of the sliding plate, a lead screw is rotatably connected with the top of the sliding plate, the lead screw penetrates through the top of the fixed plate and is threadedly connected with the fixed plate. Advantages

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] The utility model discloses a static electricity eliminator is eliminated to the static electricity of box surface, and the static electricity eliminator is connected through the wire with the grounding rod, and when the grounding rod contacts the ground, the static electricity is led into the ground and is released, thereby guaranteeing the antistatic effect of the device, avoiding the influence of static electricity on the device, and the dust collected in the sampling cylinder is filtered through the filter screen, so that the dust can be separated from the impurities, thereby being directly collected conveniently, and subsequent screening treatment is not needed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model discloses a kind of atmospheric dust sampling device with antistatic function;

[0019] Figure 2 It is the box structure schematic diagram of the utility model discloses a kind of atmospheric dust sampling device with antistatic function;

[0020] Figure 3 It is the static grounding mechanism enlarged structure schematic diagram of the utility model discloses a kind of atmospheric dust sampling device with antistatic function;

[0021] Figure 4 It is the sprinkling ring enlarged structure schematic diagram of the utility model discloses a kind of atmospheric dust sampling device with antistatic function.

[0022] In the drawing: 1, box;11, water storage tank;12, water pump;13, recess;14, sliding groove;15, fixed plate;2, sampling cylinder;21, filter screen;3, support frame;31, sprinkling ring;32, water guide pipe;4, static electricity eliminator;5, static grounding mechanism;51, sliding plate;52, sliding block;53, grounding rod;54, screw rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model. EMBODIMENT

[0024] Please refer to Figures 1-4The embodiment provides an atmospheric dust sampling device with an anti-static function, which comprises a box body 1, a sampling cylinder 2 and an electrostatic eliminator 4 for eliminating static electricity of the box body 1 are arranged on the top of the box body 1, a filter screen 21 for filtering collected dust is arranged in the sampling cylinder 2, an electrostatic grounding mechanism 5 is arranged on the outer side of the box body 1, a grounding rod 53 for grounding and releasing static electricity is arranged on the electrostatic grounding mechanism 5, and the grounding rod 53 is connected with the electrostatic eliminator 4 through a wire, when the atmospheric dust sampling device with the anti-static function is used, the electrostatic eliminator 4 is used for eliminating static electricity on the surface of the box body 1, meanwhile, the electrostatic eliminator 4 is connected with the grounding rod 53 through the wire, when the grounding rod 53 is in contact with the ground, static electricity is conducted to the ground and released, so that the anti-static effect of the device is ensured, the influence of static electricity on the device is avoided, meanwhile, the collected dust in the sampling cylinder 2 is filtered through the filter screen 21, so that the dust can be separated from impurities, and the dust can be directly collected without subsequent screening treatment.

[0025] In the embodiment, as shown in Figure 2 , a water storage groove 11 is arranged on the inner bottom of the box body 1, a flow guide plate is arranged on one side of the box body 1, the bottom of the flow guide plate is connected with one end of the top of the water storage groove 11, a water pump 12 is arranged in a cavity formed by one end of the water storage groove 11 and the flow guide plate on the inner bottom of the box body 1, and a filter core is arranged at the connection position of the water inlet pipe of the water pump 12 and the inside of the water storage groove 11, so that the collected dust is prevented from being sucked into the water pump 12.

[0026] In the embodiment, as shown in Figure 2 , Figure 4 , a support frame 3 is arranged on one end of the top of the box body 1, a water spraying ring 31 is arranged on one end of the top of the support frame 3, a plurality of nozzles are uniformly arranged on the bottom of the water spraying ring 31, the water spraying ring 31 is located directly above the sampling cylinder 2 and the bottom size of the water spraying ring 31 is smaller than the top size of the sampling cylinder 2, a water guide pipe 32 is connected with one end of the water spraying ring 31, and one end of the water guide pipe 32 is connected with the water outlet end of the water pump 12, so that the water pump 12 injects water in the water storage groove 11 into the water spraying ring 31 through the water guide pipe 32, the water spraying ring 31 is used for spraying water on the filter screen 21, dust is attached to the water flow and is brought into the water storage groove 11, impurities are filtered on the filter screen 21, and dust is precipitated in the water storage groove 11 to obtain a sampling sample.

[0027] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3As shown, the static grounding mechanism 5 is provided with a sliding plate 51, symmetrically provided with sliding blocks 52 on the two side faces of one end of the sliding plate 51, the sliding plate 51 is located at the inner side of the groove 13 and the sliding blocks 52 are respectively slidingly installed at the inner side of the sliding groove 14, a grounding rod 53 is installed at one end of the bottom of the sliding plate 51, a lead screw 54 is rotatably connected to the top of the sliding plate 51, the lead screw 54 penetrates through the top of the fixed plate 15 and is in threaded connection with the fixed plate 15, thus when the lead screw 54 is rotated, the lead screw 54 moves downward to press the sliding plate 51 to move downward, thereby driving the grounding plate 53 to move downward to contact the ground, and when not in use, the grounding rod 53 can be upwardly moved by reverse rotation to avoid frictional damage with the ground.

[0028] Working principle: the atmospheric dust sampling device with the anti-static function can eliminate the static electricity on the surface of the box 1 through the static electricity eliminator 4 when in use, and at the same time, the lead screw 54 is rotated and moves downward to press the sliding plate 51 to move downward, thereby driving the grounding plate 53 to move downward to contact the ground, and at the same time, the static electricity eliminator 4 is connected with the grounding rod 53 through a wire, when the grounding rod 53 contacts the ground, the static electricity is conducted to the ground to be released, thereby guaranteeing the anti-static effect of the device and avoiding the influence of static electricity on the device, in addition, the collected dust in the sampling cylinder 2 can be sprinkled on the filter screen 21 by the sprinkling ring 31, so that the dust is attached to the water flow and is brought into the water storage tank 11, and impurities are filtered on the filter screen 21, and the dust is precipitated in the water storage tank 11 to obtain a sampling sample, thereby conveniently collecting the dust without subsequent screening treatment.

[0029] All the technical features in the embodiment can be freely combined according to actual needs.

[0030] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. An atmospheric dust sampling device with anti-static function, comprising a housing (1), characterized in that: The top of the box (1) is equipped with a sampling tube (2) and an electrostatic eliminator (4) for eliminating static electricity in the box (1). Inside the sampling tube (2) is a filter screen (21) for filtering the collected dust. An electrostatic grounding mechanism (5) is installed on the outer side of the box (1). A grounding rod (53) for grounding and releasing static electricity is installed on the electrostatic grounding mechanism (5). The grounding rod (53) is connected to the electrostatic eliminator (4) by a wire.

2. The atmospheric dust sampling device with anti-static function according to claim 1, characterized in that: A water storage tank (11) is installed on the bottom inner side of the box (1). A guide plate is installed on one side of the box (1). The bottom of the guide plate is connected to the top of the water storage tank (11). A water pump (12) is installed in the cavity formed by the bottom inner side of the box (1) at one end of the water storage tank (11) and the guide plate. The water inlet pipe of the water pump (12) is connected to the inside of the water storage tank (11) and a filter element is installed at the connection.

3. The atmospheric dust sampling device with anti-static function according to claim 1, characterized in that: The inside of the sampling tube (2) is connected to the inside of the box (1). The filter screen (21) is installed inside the sampling tube (2) and can be removed by pulling.

4. An atmospheric dust sampling device with anti-static function according to claim 1, characterized in that: A support frame (3) is installed at one end of the top of the box (1), and a water spray ring (31) is installed at one end of the top of the support frame (3). Several nozzles are evenly installed at the bottom of the water spray ring (31). The water spray ring (31) is located directly above the sampling tube (2), and the bottom size of the water spray ring (31) is smaller than the top size of the sampling tube (2).

5. An atmospheric dust sampling device with anti-static function according to claim 4, characterized in that: One end of the sprinkler ring (31) is connected to a water guide pipe (32), and one end of the water guide pipe (32) is connected to the drain end of the water pump (12).

6. An atmospheric dust sampling device with anti-static function according to claim 1, characterized in that: A groove (13) is provided on one side of the box (1), and a sliding groove (14) is provided on both sides of the inside of the groove (13). A fixing plate (15) is installed on the top edge of the groove (13).

7. An atmospheric dust sampling device with anti-static function according to claim 1, characterized in that: The electrostatic grounding mechanism (5) is equipped with a sliding plate (51). Sliders (52) are symmetrically installed on both sides of one end of the sliding plate (51). The sliding plate (51) is located inside the groove (13) and the sliders (52) are slidably installed inside the groove (14). The grounding rod (53) is installed at the bottom end of the sliding plate (51). The top of the sliding plate (51) is rotatably connected to a lead screw (54). The lead screw (54) passes through to the top of the fixing plate (15) and is threadedly connected to the fixing plate (15).

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