High negative pressure environment air particulate matter sampler

Abstract

The utility model relates to the technical field of air sampling, and provides a high negative pressure environment air particulate matter sampler which comprises a base and a shell, the shell is arranged at the top of the base, a connecting gas collecting assembly is arranged between a bottom shell and the shell, a collecting assembly is arranged in the shell, a gas inlet assembly is arranged at the top of the shell, and an outer frame is fixed on the side surface of the shell. A driving motor is fixedly connected to the side surface of the outer frame, and a turnover plate is rotationally connected into the shell and connected with the output end of the driving motor. According to the technical scheme, the problem that an existing air particulate matter sampling device is not suitable for a high negative pressure environment when used for collecting particulate matters in the atmosphere in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air sampling, and in particular to a high negative pressure environment air particle sampler. Background Art

[0002] Particulate matter, also known as dust, is a variety of solid or liquid particles uniformly dispersed in an aerosol system. Particulate matter can be divided into primary particulate matter and secondary particulate matter. Primary particulate matter is particulate matter that is released into the atmosphere by direct pollution sources, such as soil particles, sea salt particles, combustion smoke, etc. Secondary particulate matter is particulate matter generated by certain polluting gas components in the atmosphere (sulfur dioxide, nitrogen oxides, hydrocarbons, etc.), or between these components and normal components in the atmosphere (such as oxygen) through photochemical oxidation reactions, catalytic oxidation reactions or other chemical reactions, such as the conversion of sulfur dioxide into sulfate.

[0003] The existing air particle sampling device collects particulate matter in the atmosphere, which is not suitable for high negative pressure environments. Therefore, in view of this situation, it is urgent to develop an air particle sampler for high negative pressure environments to overcome the shortcomings in current practical applications. Utility Model Content

[0004] The utility model provides an air particle sampler for a high negative pressure environment, which solves the problem that the existing air particle sampling device in the related technology collects particles in the atmosphere but is not suitable for a high negative pressure environment.

[0005] The technical solution of the utility model is as follows:

[0006] A base and a shell, wherein the shell is arranged on the top of the base;

[0007] A connecting gas collecting assembly, wherein the connecting gas collecting assembly is arranged between the bottom shell and the outer shell;

[0008] A collecting component, the collecting component is arranged inside the housing;

[0009] An air intake assembly, the air intake assembly being arranged on the top of the housing;

[0010] The collecting assembly comprises an outer frame, which is fixed to the side surface of the outer shell, to which the driving motor is fixedly connected, and a flip plate is rotatably connected inside the outer shell, and the flip plate is connected to the output end of the driving motor.

[0011] As a further technical solution, a circular plate is provided at one end of the rotating shaft of the flip plate, an exciter is fixedly connected to the surface of the circular plate, an annular groove is provided on the bottom surface of the flip frame, an ion ring is installed in the annular groove, and a groove is provided on the surface of the circular plate.

[0012] As a further technical solution, a dust collecting mesh hole is provided in the groove, a bottom groove is provided at the bottom of the shell, a collection box is sleeved and connected in the bottom groove, a notch is provided at the lower end of the outer surface of the shell, and a grab block is provided on the outer surface of the collection box.

[0013] As a further technical solution, the connecting gas collecting assembly includes a pair of fixed sleeves, which are fixed on both sides outside the base. A pair of connecting ears are provided on the outer surface of the outer shell, and a connecting rod is provided at the bottom of the connecting ears. The connecting rod is movably sleeved in the fixed sleeves.

[0014] As a further technical solution, a spring is connected to the outside of the connecting rod, an air collecting fan is arranged in the base, a bracket is arranged in the base, a filter is placed in the bracket, and a plurality of exhaust holes are opened and closed on the outer surface of the bottom inner surface of the base.

[0015] As a further technical solution, the air intake assembly includes an outer ring groove, which is opened on the outer surface of the shell, and a plurality of air intakes are opened around the inner surface of the outer ring groove. A sealing cover is connected to the sliding sleeve in the outer ring groove.

[0016] As a further technical solution, a support layer is arranged around the inner surface of the base, and the inner diameter of the support layer is larger than the diameter of the collection box.

[0017] As a further technical solution, the cross section of the connecting rod is a T-shaped structure.

[0018] The working principle and beneficial effects of the utility model are:

[0019] The utility model is provided with a collecting component. Through the interaction of structures such as a driving motor, a flip plate, an exciter, an ion circle, a dust collecting mesh and a collecting box, the flip plate can be ionized through the ion circle, and the dust in the incoming air will adhere to the flip plate and the dust collecting mesh. It can be turned 180° through the control of the driving motor, and the exciter can generate vibration to quickly drop the dust on the surface into the collecting box. The collecting box can be taken out from the inside, which has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is an axonometric sectional view of the utility model;

[0023] Figure 3 For the utility model Figure 2 A partial enlarged view of part A;

[0024] Figure 4 For the utility model Figure 2 A partial enlarged view of part B;

[0025] In the figure: 1. base; 2. shell; 3. collection component; 3-1. outer frame; 3-2. drive motor; 3-3. flip plate; 3-4. circular plate; 3-5. exciter; 3-6. annular groove; 3-7. ion circle; 3-8. groove; 3-9. dust collection mesh; 3-10. bottom groove; 3-11. collection box; 3-12. notch; 3-13. grab block; 4. connect the air collection component; 4-1. fixed sleeve; 4-2. connecting ear; 4-3. connecting rod; 4-4. spring; 4-5. air collection fan; 4-6. bracket; 4-7. filter; 4-8. exhaust hole; 5. air intake component; 5-1. outer ring groove; 5-2. air inlet; 5-3. sealing cover; 6. support layer. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1~Figure 4 As shown, this embodiment proposes a high negative pressure ambient air particulate sampler, including

[0028] A base 1 and a shell 2, wherein the shell 2 is arranged on the top of the base 1;

[0029] A connecting gas collecting assembly 4 is arranged between the bottom shell and the outer shell 2;

[0030] A collecting component 3, wherein the collecting component 3 is arranged inside the housing 2;

[0031] An air intake assembly 5, which is arranged on the top of the housing 2;

[0032] The collecting assembly 3 includes an outer frame 3-1, which is fixed on the side surface of the outer shell 2. The side surface of the outer frame 3-1 is fixedly connected to a driving motor 3-2. A flip plate 3-3 is rotatably connected inside the outer shell 2. The flip plate 3-3 is connected to the output end of the driving motor 3-2. A circular plate 3-4 is provided at one end of the rotating shaft of the flip plate 3-3. An exciter 3-5 is fixedly connected to the surface of the circular plate 3-4. An annular groove 3-6 is provided on the bottom surface of the flip frame. An ion ring 3-7 is installed in the annular groove 3-6. A groove 3-8 is provided on the surface of the circular plate 3-4. A dust collecting mesh 3-9 is provided in the groove 3-8. A bottom groove 3-10 is provided at the bottom of the outer shell 2. A collecting box 3-11 is connected in the bottom groove 3-10. A notch 3-12 is provided at the lower end of the outer surface of the outer shell 2. A grab block 3-13 is provided on the outer surface of the collecting box 3-11.

[0033] In this embodiment, in order to achieve the effect of collecting dust particles entering the gas, a collection component 3 is designed. The outer surface of the shell 2 is fixedly connected to an outer frame 3-1, and a driving motor 3-2 is installed on the surface of the outer frame 3-1. A circular flip plate 3-3 is rotatably connected inside, and the flip plate 3-3 is connected to the output end of the driving motor 3-2. The rotation of the flip plate 3-3 can be controlled by the driving motor 3-2. A groove 3-8 is provided on the surface of the flip plate 3-3, and a dust collecting mesh 3-9 is provided in the groove 3-8 for collecting dust through the gas. An annular groove 3-6 is provided at the bottom, and a dust collecting mesh 3-9 is provided in the annular groove 3-6. There is an ion circle 3-7, which can make the flip plate 3-3 generate static electricity. The static electricity can concentrate the dust inside the flip plate 3-3. A circular plate 3-4 and an exciter 3-5 are set at one end of the flip plate 3-3, which can make the flip plate 3-3 produce high-frequency vibration. The static electricity can be eliminated by closing the ion circle 3-7, and the dust can be dropped by vibration. A bottom groove 3-10 is provided at the bottom of the outer shell 2, and a collecting box 3-11 is installed inside to collect the fallen dust. A notch 3-12 is provided on the outer surface of the outer shell 2, and a grab block 3-13 is provided on the outer surface of the collecting box 3-11 to facilitate the collection of the collecting box 3-11.

[0034] Furthermore, the connecting air collecting component 4 includes a pair of fixed sleeves 4-1, the fixed sleeves 4-1 are fixed on both sides outside the base 1, a pair of connecting ears 4-2 are arranged on the outer surface of the outer shell 2, a connecting rod 4-3 is arranged at the bottom of the connecting ear 4-2, the connecting rod 4-3 is movably sleeved in the fixed sleeve 4-1, the outer sleeve of the connecting rod 4-3 is connected with a spring 4-4, an air collecting fan 4-5 is arranged in the base 1, a bracket 4-6 is arranged in the base 1, a filter net 4-7 is placed in the bracket 4-6, and a plurality of exhaust holes 4-8 are opened and closed on the outer surface of the inner bottom of the base 1.

[0035] In this embodiment, in order to achieve the air collecting effect, a connecting air collecting component 4 is designed, and a fixed sleeve 4-1 is provided on the base 1, and the internal movable sleeve is connected with a connecting rod 4-3. The outer surface of the outer shell 2 is provided with a connection and fixedly connected to the upper end of the connecting rod 4-3. Through the telescopic effect of the connecting rod 4-3 in the fixed sleeve 4-1, the outer shell 2 can be lifted up and opened, which is convenient for operation to take and put the collection box 3-11. An air collecting fan 4-5 is provided inside, and the air collecting fan 4-5 is used for collecting air. A bracket 4-6 is also provided. A filter screen 4-7 is known in the bracket 4-6 to block dust and avoid contamination of the air collecting fan 4-5. The filter screen 4-7 can be taken out for cleaning.

[0036] Furthermore, the air intake assembly 5 includes an outer ring groove 5-1, which is opened on the outer surface of the shell 2, and a plurality of air intake ports 5-2 are opened around the inner surface of the outer ring groove 5-1. A sealing cover 5-3 is connected to the sliding sleeve inside the outer ring groove 5-1.

[0037] In this embodiment, in order to achieve the switching effect of the air intake part, an air intake component 5 is designed, and an outer ring groove 5-1 is opened on the outer surface of the outer shell 2. A plurality of air intake ports 5-2 are opened in the outer ring groove 5-1 and are fittedly connected with a sealing cover 5-3. The sealing cover 5-3 can move vertically up and down in the outer ring groove 5-1, and the air intake port 5-2 can be closed by the sealing cover 5-3.

[0038] Furthermore, a support layer 6 is arranged around the inner surface of the base 1, and the inner diameter of the support layer 6 is larger than the diameter of the collecting box 3-11.

[0039] In this embodiment, the support layer 6 is installed to support the bottom of the collection box 3-11 so that the collection box 3-11 remains connected to the bottom groove 3-10.

[0040] Furthermore, the cross section of the connecting rod 4-3 is a T-shaped structure.

[0041] In this embodiment, the T-shaped structure enables the connecting rod 4 - 3 to have a limiting function and will not be pulled upward and fall out.

[0042] When it is needed, pull the sealing cover 5-3 downwards, open the air inlet 5-2, start the air collecting fan 4-5 to start inhaling air, and the external air enters the shell 2 through the air inlet 5-2. The ion circle 3-7 is started to ionize the flip plate 3-3, and the dust is adsorbed in the dust collecting mesh 3-9 of the flip plate 3-3. The gas continues to flow downward, and after being filtered by the filter plate, it is discharged outwardly through the exhaust hole 4-8 at the bottom. After collection is completed, pull the shell 2 upwards, and the connecting rod 4-3 extends outward in the fixed sleeve 4-1, and the collection box 3-11 is placed on the base 1, and the grab block 3-13 is aligned with the notch 3-12. After releasing, the shell 2 is reset, and then the drive motor 3-2 is started to control the flip plate 3-3 to rotate 180°, and then the exciter 3-5 is started to make the flip plate 3-3 produce high-frequency vibration, and the dust is vibrated and falls into the collection box 3-11, and finally the collection box 3-11 is taken out.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high negative pressure ambient air particulate sampler, characterized in that: include A base (1) and a shell (2), wherein the shell (2) is arranged on the top of the base (1); A connecting gas collecting component (4), wherein the connecting gas collecting component (4) is arranged between the base (1) and the housing (2); A collecting component (3), wherein the collecting component (3) is arranged inside the housing (2); An air intake assembly (5), the air intake assembly (5) being arranged on the top of the housing (2); The collecting assembly (3) comprises an outer frame (3-1), the outer frame (3-1) is fixed to the side surface of the outer shell (2), the side surface of the outer frame (3-1) is fixedly connected to a driving motor (3-2), a flip plate (3-3) is rotatably connected inside the outer shell (2), and the flip plate (3-3) is connected to the output end of the driving motor (3-2).

2. A high negative pressure ambient air particulate sampler according to claim 1, characterized in that: A circular plate (3-4) is arranged at one end of the rotating shaft of the flip plate (3-3), an exciter (3-5) is fixedly connected to the surface of the circular plate (3-4), an annular groove (3-6) is provided on the bottom surface of the flip plate (3-3), an ion ring (3-7) is installed in the annular groove (3-6), and a groove (3-8) is provided on the surface of the circular plate (3-4).

3. A high negative pressure ambient air particulate sampler according to claim 2, characterized in that: A dust collecting mesh hole (3-9) is provided in the groove (3-8), a bottom groove (3-10) is provided at the bottom of the shell (2), a collection box (3-11) is sleeved and connected in the bottom groove (3-10), a notch (3-12) is provided at the lower end of the outer surface of the shell (2), and a gripping block (3-13) is provided on the outer surface of the collection box (3-11).

4. The high negative pressure ambient air particulate sampler according to claim 1, characterized in that: The connecting gas collecting assembly (4) comprises a pair of fixed sleeves (4-1), the fixed sleeves (4-1) being fixed on both sides of the outside of the base (1), the outer surface of the outer shell (2) being provided with a pair of connecting ears (4-2), the bottom of the connecting ears (4-2) being provided with a connecting rod (4-3), and the connecting rod (4-3) being movably sleeved in the fixed sleeves (4-1).

5. A high negative pressure ambient air particulate sampler according to claim 4, characterized in that: The connecting rod (4-3) is externally sleeved with a spring (4-4), the base (1) is provided with an air collecting fan (4-5), the base (1) is provided with a bracket (4-6), a filter (4-7) is placed in the bracket (4-6), and a plurality of exhaust holes (4-8) are opened and closed on the outer surface of the bottom of the base (1).

6. The high negative pressure ambient air particulate sampler according to claim 1, characterized in that: The air intake assembly (5) comprises an outer ring groove (5-1), the outer ring groove (5-1) is provided on the outer surface of the outer shell (2), a plurality of air intake ports (5-2) are provided around the inner surface of the outer ring groove (5-1), and a sealing cover (5-3) is slidably sleeved in the outer ring groove (5-1).

7. The high negative pressure ambient air particulate sampler according to claim 3, characterized in that: A support layer (6) is arranged around the inner surface of the base (1), and the inner diameter of the support layer (6) is larger than the diameter of the collection box (3-11).

8. The high negative pressure ambient air particulate sampler according to claim 4, characterized in that: The cross section of the connecting rod (4-3) is in a T-shaped structure.

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