CN219161742U

CN219161742U - Atmospheric particulate sample collection device

Info

Publication number: CN219161742U
Application number: CN202223399291.5U
Authority: CN
Inventors: 殷思敏
Original assignee: Jiangsu Zhenjiang Environmental Monitoring Center
Current assignee: Jiangsu Zhenjiang Environmental Monitoring Center
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-09
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of atmosphere monitoring and discloses an atmospheric particulate sample collection device which comprises a mounting frame, wherein a supporting plate is transversely arranged at the bottom of an inner cavity of the mounting frame, a sealing cover plate is movably arranged at the top end of the mounting frame, a control panel is arranged on the right side of the top end of the sealing cover plate, a mobile power supply is arranged on the inner top wall of the mounting frame, and the mobile power supply is electrically connected with the control panel. According to the utility model, the plurality of collecting sleeves are arranged, the filter plates with different filtering performances can be arranged in the collecting sleeves, particles with different sizes in the atmosphere can be filtered and collected, the different particles in the atmosphere can be collected by controlling the number of the collecting sleeves and assembling the collecting sleeves, and the plurality of collecting sleeves can be separated by taking out the threaded ring from the inside of the threaded groove, so that the atmospheric particles with different particle sizes collected in each collecting sleeve are separated, and the detection of the atmospheric particles is facilitated.

Description

Atmospheric particulate sample collection device

Technical Field

The utility model relates to the technical field of atmosphere monitoring, in particular to an atmospheric particulate sample collection device.

Background

Atmospheric particulates are a generic term for various solid and liquid particulate materials present in the atmosphere. The uniform dispersion of various particulate materials in air constitutes a relatively stable, bulky suspension system, i.e., an aerosol system, and thus atmospheric particulates are also known as atmospheric aerosols.

When gathering atmospheric particulates, generally use collection equipment to draw in the atmosphere into equipment is inside, filter the particulate matter in the atmosphere through the filtration system of equipment inside, can collect the atmospheric particulates of gathering, current collection equipment is inconvenient to derive the atmospheric particulates after gathering alone when using, according to an atmospheric particulates sample collection device that chinese patent publication No. CN217483956U discloses, this collection device is when deriving the atmospheric particulates of gathering, need take out the sample box is whole, unable take out alone the atmospheric particulates of wherein separation, need carry out separation processing again to the atmospheric particulates of taking out, and inconvenient control inhales the volume size of gaseous, thereby make the measurement and calculation data deviate, propose an atmospheric particulates sample collection device to solve the above-mentioned problem that proposes to the above-mentioned condition.

Disclosure of Invention

The utility model aims to solve the defects existing in the prior art, such as: the separated atmospheric particulates cannot be taken out independently, the taken out atmospheric particulates need to be separated again, and the volume of the sucked gas is inconvenient to control, so that deviation of measurement and calculation data is caused, and the atmospheric particulate sample collecting device is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an atmospheric particulate sample collection device, includes the mounting bracket, the backup pad is transversely installed to the bottom of mounting bracket inner chamber, the top movable mounting of mounting bracket has the closure apron, control panel is installed on the right side at closure apron top, the mobile power supply is installed to the interior roof of mounting bracket, mobile power supply is connected with the control panel electricity, the baffle is installed on the right side at backup pad top, negative pressure fan is installed on the right side at backup pad top, the air vent has been seted up to the bottom of baffle, negative pressure fan's input is linked together with the air vent, the mid-mounting of mounting bracket left side has air flow sensor, air flow sensor is connected with the control panel electricity, the mid-mounting of mounting bracket left side inner wall has the supporting sleeve, the internally mounted of supporting sleeve has collection mechanism, spacing mechanism is installed to the left bottom of baffle, spacing ring is installed on the left side movable mounting bracket of spacing sleeve inner chamber, positive top installation locking piece, the top is connected with the closure apron.

Preferably, the collection mechanism is including installing the collection cover in the support cover is inside, the screw thread groove has been seted up at the top of the inner chamber of collection cover, the screwed collar is installed to the bottom of collection cover, the inside at the screw thread groove is installed to the screwed collar screw thread, the mid-mounting of collection cover inner chamber has the support ring, the filter is all installed in the left side of support ring.

Preferably, the stop gear is including installing the stay tube in the left bottom of baffle, the stay tube left side alternates in the inside of stop collar, reset spring is installed in the left side of stay tube, reset spring's left side is connected with the spacing ring, the spacing groove has all transversely been seted up to the upper and lower two inner walls of stop collar, the stopper is all installed in the left side of both sides about the stay tube, the stopper moves about respectively and alternates in the inside of spacing groove, the sealing ring is installed on the right side of stop collar inner chamber, the sealing ring suit is in the outside of stay tube.

Preferably, a sealing gasket is arranged on the left side of the limiting ring, and the left side of the sealing gasket is in contact with the collecting sleeve.

Preferably, a lifting handle is arranged in the middle of the top end of the closed cover plate.

Preferably, the antiskid cushion blocks are arranged at four corners of the bottom end of the mounting frame.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the negative pressure fan is controlled to be started by the control panel, external air can be extracted, the air can be used for measuring the air inflow through the air flow sensor, the measurement of the particulate matters in the air under the unit volume is facilitated, the filter plates with different filtering performances can be arranged in the air through the plurality of collecting sleeves, the particulate matters with different sizes in the air can be filtered and collected, the collection of the different particulate matters in the air can be realized through controlling the number of the collecting sleeves and assembling, and the plurality of collecting sleeves can be separated through taking out the threaded ring from the inside of the threaded groove, so that the atmospheric particulate matters with different particle sizes collected in the collecting sleeves are separated, and the detection of the atmospheric particulate matters is facilitated.

(2) According to the utility model, the collecting sleeve can be supported through the supporting sleeve, the collecting sleeve is conveniently arranged in the mounting frame, the limiting sleeve moves leftwards through the pushing action of the reset spring on the limiting ring, and the right side of the collecting mechanism is inserted in the limiting sleeve, so that the collecting mechanism can be stably supported in the whole, the collecting mechanism is stably maintained in the mounting frame, and the collecting mechanism is conveniently taken out from the mounting frame after the collecting of the atmospheric particulates is completed.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present utility model;

FIG. 2 is a schematic view of the front surface of the present utility model;

FIG. 3 is a schematic diagram of a first embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.

In the figure: 1. a mounting frame; 2. a support plate; 3. a mobile power supply; 4. a limit sleeve; 5. an air guide hole; 6. a negative pressure fan; 7. an anti-slip cushion block; 8. a collection mechanism; 81. collecting a sleeve; 82. a thread groove; 83. a filter plate; 84. a threaded ring; 85. a support ring; 9. a limiting mechanism; 91. a support tube; 92. a limit groove; 93. a limiting block; 94. a return spring; 95. a seal ring; 10. closing the cover plate; 11. a control panel; 12. a partition plate; 13. a lifting handle; 14. a support sleeve; 15. an air flow sensor; 16. a locking block; 17. a limiting ring; 18. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, an atmospheric particulate sample collection device comprises a mounting frame 1, a supporting plate 2 is transversely arranged at the bottom of an inner cavity of the mounting frame 1, a sealing cover plate 10 is movably arranged at the top end of the mounting frame 1, a lifting handle 13 is arranged in the middle of the top end of the sealing cover plate 10, the whole device can be conveniently grabbed by the lifting handle 13 and conveniently moved, a control panel 11 is arranged on the right side of the top end of the sealing cover plate 10, a mobile power supply 3 is arranged on the inner top wall of the mounting frame 1, the mobile power supply 3 is electrically connected with the control panel 11, a partition plate 12 is arranged on the right side of the top end of the supporting plate 2, a negative pressure fan 6 is arranged on the right side of the top end of the supporting plate 2, an air guide hole 5 is arranged at the bottom of the partition plate 12, the input end of the negative pressure fan 6 is communicated with the air guide hole 5, an air flow sensor 15 is arranged in the middle of the left side of the mounting frame 1, the air flow sensor 15 is electrically connected with the control panel 11, the negative pressure fan 6 is controlled to start through the control panel 11, external air can be extracted, the air can be used for measuring the air inflow through the air flow sensor 15, the measurement of particulate matters in the air in unit volume is facilitated, the volume of the air can be controlled through the air flow sensor 15, the middle part of the left inner wall of the mounting frame 1 is provided with the supporting sleeve 14, the collecting mechanism 8 is arranged in the supporting sleeve 14, the bottom of the left side of the partition plate 12 is provided with the limiting mechanism 9, the left side of the limiting mechanism 9 is movably provided with the limiting sleeve 4, the right side of the collecting mechanism 8 is movably inserted in the limiting sleeve 4, the left side of the inner cavity of the limiting sleeve 4 is provided with the limiting ring 17, the left side of the limiting ring 17 is provided with the sealing gasket 18, the left side of the sealing gasket 18 is contacted with the collecting sleeve 81, can seal the gap between collection cover 81 and the spacing ring 17 through sealing washer 18, the latch segment 16 is installed at the positive top of mounting bracket 1, and latch segment 16's top is connected with closure apron 10, and anti-skidding cushion 7 is all installed in the four corners of mounting bracket 1 bottom, can play the effect of steady rest through anti-skidding cushion 7 to whole mounting bracket 1 to lead to anti-skidding performance of anti-skidding cushion 7, can prevent that the gliding condition from appearing when placing by whole device.

Embodiment one:

as shown in fig. 3, the collection mechanism 8 includes a collection sleeve 81 installed inside the support sleeve 14, a thread groove 82 is formed in the top of the inner cavity of the collection sleeve 81, a thread ring 84 is installed at the bottom end of the collection sleeve 81, the thread ring 84 is installed inside the thread groove 82 in a threaded manner, a support ring 85 is installed in the middle of the inner cavity of the collection sleeve 81, a filter plate 83 is installed on the left side of the support ring 85, a plurality of collection sleeves 81 are arranged, filter plates 83 with different filtering performances can be arranged therein, particles with different sizes in the atmosphere can be filtered and collected, and the plurality of collection sleeves 81 can be separated by taking out the thread ring 84 from the inner part of the thread groove 82, so that the atmospheric particles with different particle sizes collected inside the collection sleeves 81 can be separated.

Embodiment two:

as shown in fig. 4, the limiting mechanism 9 includes a supporting tube 91 installed at the bottom of the left side of the partition 12, the left side of the supporting tube 91 is inserted in the limiting sleeve 4, a return spring 94 is installed on the left side of the supporting tube 91, the left side of the return spring 94 is connected with the limiting ring 17, limiting grooves 92 are transversely formed in the upper inner wall and the lower inner wall of the limiting sleeve 4, limiting blocks 93 are installed on the left side of the upper side and the lower side of the supporting tube 91, the limiting blocks 93 are respectively movably inserted in the limiting grooves 92, a sealing ring 95 is installed on the right side of the inner cavity of the limiting sleeve 4, the sealing ring 95 is sleeved on the outer side of the supporting tube 91, the limiting sleeve 4 is moved to the left side through the pushing action of the return spring 94 on the limiting ring 17, the right side of the collecting mechanism 8 is inserted in the limiting sleeve 4, and accordingly the collecting mechanism 8 can be stably supported in the whole, and the collecting mechanism 8 is kept stable in the installation frame 1.

In the utility model, when a user uses the device, the control panel 11 controls the negative pressure fan 6 to start, so that external air can be extracted, the air can be used for measuring the air inflow through the air flow sensor 15, the measurement of the particulate matters in the air under the unit volume is facilitated, when the air passes through the inside of the collecting sleeve 81, the filter plates 83 arranged in the filter plates can be used for filtering and collecting the particulate matters with different sizes in the air, after the collection of the particulate matters in the air is completed, the sealing cover plate 10 is opened from the mounting frame 1, the limiting sleeve 4 is pulled to the right side, the limiting ring 17 compresses the reset spring 94, the limiting block 93 slides in the limiting groove 92, the limiting sleeve 4 is separated from the right side of the collecting mechanism 8, the whole structure of the collecting mechanism 8 is taken out from the inside of the mounting frame 1, the threaded ring 84 is taken out from the inside of the threaded groove 82, the plurality of the collecting sleeves 81 can be separated, the particulate matters with different particle sizes collected in the inside of the collecting sleeves 81 are separated, and the particulate matters in the collecting sleeve 81 are guided out and detected.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides an atmospheric particulates sample collection device, includes mounting bracket (1), its characterized in that, backup pad (2) are transversely installed to the bottom of mounting bracket (1) inner chamber, the top movable mounting of mounting bracket (1) has sealed apron (10), control panel (11) are installed on the right side on sealed apron (10) top, portable power source (3) are installed to the interior roof of mounting bracket (1), portable power source (3) are connected with control panel (11) electricity, baffle (12) are installed on the right side on backup pad (2) top, negative pressure fan (6) are installed on the right side on backup pad (2) top, air vent (5) have been seted up to the bottom of baffle (12), the input and air vent (5) of negative pressure fan (6) are linked together, air flow sensor (15) are installed on the mid-mounting of mounting bracket (1) left side, air flow sensor (15) are connected with control panel (11) electricity, mid-mounting support sleeve (14) are installed on the left inner wall of mounting bracket (1), air flow rate limiting device (9) are installed on the bottom of baffle (9) are installed on the left side of mounting bracket (1), the right side activity of collection mechanism (8) alternates in the inside of stop collar (4), stop collar (17) are installed in the left side of stop collar (4) inner chamber, latch segment (16) are installed at positive top of mounting bracket (1), the top of latch segment (16) is connected with closure apron (10).

2. An atmospheric particulate sample collection device according to claim 1, wherein the collection mechanism (8) comprises a collection sleeve (81) mounted inside a support sleeve (14), a thread groove (82) is formed in the top of the inner cavity of the collection sleeve (81), a thread ring (84) is mounted at the bottom end of the collection sleeve (81), the thread ring (84) is mounted inside the thread groove (82) in a threaded manner, a support ring (85) is mounted in the middle of the inner cavity of the collection sleeve (81), and filter plates (83) are mounted on the left side of the support ring (85).

3. The atmospheric particulate sample collection device according to claim 1, wherein the limiting mechanism (9) comprises a supporting tube (91) arranged at the bottom of the left side of the partition plate (12), the left side of the supporting tube (91) is inserted into the limiting sleeve (4), a return spring (94) is arranged on the left side of the supporting tube (91), the left side of the return spring (94) is connected with the limiting ring (17), limiting grooves (92) are transversely formed in the upper inner wall and the lower inner wall of the limiting sleeve (4), limiting blocks (93) are respectively arranged on the left side of the upper side and the lower side of the supporting tube (91), the limiting blocks (93) are respectively movably inserted into the limiting grooves (92), a sealing ring (95) is arranged on the right side of an inner cavity of the limiting sleeve (4), and the sealing ring (95) is sleeved on the outer side of the supporting tube (91).

4. An atmospheric particulate sample collection device according to claim 2, wherein a sealing washer (18) is mounted on the left side of the stop collar (17), the left side of the sealing washer (18) being in contact with the collection sleeve (81).

5. An atmospheric particulate sample collection device according to claim 1, wherein a lifting handle (13) is mounted in the middle of the top end of the closure cap (10).

6. An atmospheric particulate sample collection device according to claim 1, wherein skid-proof pads (7) are mounted at four corners of the bottom end of the mounting frame (1).