High-flow aerosol sampler

Abstract

The utility model relates to the technical field of sampling equipment, and discloses a large-flow aerosol sampler which comprises an outer shell, an air inlet pipe is fixedly connected to the right side of the upper portion of the outer shell, a fan is fixedly connected to the middle of the left side of the outer shell, an air suction pipe is fixedly connected to the input end of the fan, and an air conveying pipe is fixedly connected to the output end of the fan. An empty groove is formed in the middle of the outer shell, a filter plate is slidably connected to the middle of the outer shell, a mounting assembly is arranged on the upper portion of the filter plate and used for mounting the filter plate, and a temperature control assembly is arranged in the outer shell and used for controlling the temperature in the outer shell. According to the high-flow aerosol sampler disclosed by the utility model, the filter plate, the handle II, the mounting plate, the mounting plate, the bolt, the filter plate, the outer shell, the nut and other structures are matched, so that the filter plate of the high-flow aerosol sampler is convenient to replace, and the practicability of the high-flow aerosol sampler is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field especially, relates to a large flow aerosol sampler. BACKGROUND

[0002] The large flow aerosol sampler is mainly used for sampling and analyzing aerosol in the air, and plays an important role in the fields of environmental monitoring, air quality assessment, industrial pollution control and scientific research. The working principle of the aerosol sampler is usually through a high-efficiency filter plate system, inhales a certain flow of air, collects aerosol particles in it on the filter membrane, and carries out subsequent analysis.

[0003] The existing large flow aerosol sampler still has certain technical bottlenecks in the convenience of filter plate replacement, the stability of temperature control and the operability of the whole equipment, therefore, developing a large flow aerosol sampler which can conveniently replace the filter plate and has temperature control function becomes a technical problem to be solved in the industry. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a large flow aerosol sampler, which aims at improving the problems of the large flow aerosol sampler in the prior art that the filter plate is not convenient to replace and the large flow aerosol sampler has low practicability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a large flow aerosol sampler, comprising a shell body, a gas inlet pipe is fixedly connected to the right side of the upper part of the shell body, a fan is fixedly connected to the middle part of the left side of the shell body, a gas suction pipe is fixedly connected to the input end of the fan, a gas conveying pipe is fixedly connected to the output end of the fan, a hollow groove is formed in the upper middle part of the shell body, a filter plate is slidingly connected to the middle part of the shell body, an installation assembly is arranged on the upper part of the filter plate for installing the filter plate, a temperature control assembly is arranged in the shell body for controlling the temperature in the shell body.

[0006] As a further description of the above technical scheme:

[0007] The installation assembly comprises an installation block, the installation block is slidingly connected to the middle part of the left and right sides of the filter plate, an installation plate is fixedly connected to the upper part of the installation block, a handle two is fixedly connected to the upper part of the installation plate, a bolt is penetratingly arranged in the front and rear sides of the installation block, and a nut is threadedly connected to the outer side of the bolt.

[0008] As a further description of the above technical scheme:

[0009] The temperature control assembly comprises a temperature sensor fixedly connected to the rear side of the inner wall of the outer shell, and the right front side and the left rear side of the inner bottom of the outer shell are fixedly connected with refrigerators, and the left front side and the right rear side of the inner bottom of the outer shell are fixedly connected with heaters.

[0010] As a further description of the above technical solution:

[0011] The end of the air suction pipe away from the fan is fixedly connected with the outer shell.

[0012] As a further description of the above technical solution:

[0013] The right front side of the outer shell is fixedly connected with hinges, and the outer shell is rotationally connected with a material taking door through the hinges, and the right rear side of the material taking door is fixedly connected with a handle one.

[0014] As a further description of the above technical solution:

[0015] The mounting block is fixedly connected with the filter plate through bolts, and the mounting block is slidingly connected in the empty slot.

[0016] As a further description of the above technical solution:

[0017] The refrigerator and the temperature sensor are electrically connected, and the temperature sensor and the heater are electrically connected.

[0018] The utility model has the advantages of:

[0019] 1、The utility model discloses a filter plate is replaced, handle II is pulled and is driven installation plate to move, and the installation plate drives the installation block to move, and the installation block drives the filter plate to move and separates from the outer shell through the bolt, finally rotates the nut and makes the nut separate from the bolt, and the bolt is separated from the installation block by pulling the bolt, so that the filter plate of the large -flow aerosol sampler is convenient to replace, and the practicability of the large -flow aerosol sampler is improved.

[0020] 2、The utility model discloses a temperature sensor detects that the temperature of the outer shell is lower than the preset value, and the temperature sensor controls and starts the heater and makes the heater heat the inside of the outer shell, and when the temperature sensor detects that the temperature of the inside of the outer shell is higher than the preset value, the heater is controlled and is closed through the temperature sensor and controls and starts the refrigerator and cools down the inside of the outer shell, so that the inside temperature of the large -flow aerosol sampler is convenient to control, and the stability of the aerosol collected by the sampler is improved. DRAWINGS

[0021] Figure 1 A perspective view of a large -flow aerosol sampler is provided for the utility model;

[0022] Figure 2The utility model provides an expansion view of a large flow aerosol sampler.

[0023] Figure 3 For Figure 2 The enlarged view of A in the figure.

[0024] Figure 4 The utility model provides a shell body sectional view of a large flow aerosol sampler.

[0025] Legend:

[0026] 1, shell body, 2, hinge, 3, taking material door, 4, handle one, 5, air inlet pipe, 6, fan, 7, suction pipe, 8, gas delivery pipe, 9, empty slot, 10, filter plate, 11, mounting block, 12, mounting plate, 13, handle two, 14, bolt, 15, nut, 16, temperature sensor, 17, refrigerator, 18, heater. Specific implementation

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] With reference to Figures 1-3 , the utility model provides an embodiment: a large flow aerosol sampler, including shell body 1, shell body 1 upper right side fixedly connected with air inlet pipe 5, shell body 1 left side middle part fixedly connected with fan 6, fan 6 input fixedly connected with suction pipe 7, suction pipe 7 away from one end of fan 6 and shell body 1 fixed connection, fan 6 output fixedly connected with gas delivery pipe 8, shell body 1 upper middle part is equipped with empty slot 9, shell body 1 middle part slidingly connected with filter plate 10, shell body 1 right front side upper and lower fixedly connected with hinge 2, shell body 1 is rotationally connected with taking material door 3 through hinge 2, taking material door 3 right rear side fixedly connected with handle one 4, filter plate 10 upper part is provided with installation component, is used to install filter plate 10, and installation component includes mounting block 11, and mounting block 11 is slidingly connected on the middle part of the left and right sides of filter plate 10, and mounting block 11 upper part fixedly connected with mounting plate 12, and mounting plate 12 upper part fixedly connected with handle two 13, and bolt 14 is arranged in the inside of mounting block 11 front and back two sides, and the outer side of bolt 14 is threadedly connected with nut 15, and mounting block 11 is fixedly connected with filter plate 10 through bolt 14, and mounting block 11 is slidingly connected in empty slot 9.

[0029] When it is necessary to sample large-flow aerosol, first, the fan 6 is started to work by control, so as to drive the air suction pipe 7 to work, and the air in the outer shell 1 is sucked into the air suction pipe 7, and a negative pressure is formed in the air suction pipe 7, and then the air inlet pipe 5 sucks the external air into the outer shell 1, and the air flows through the filter plate 10, and the filter plate 10 effectively filters the aerosol particles in the air, so that only the filtered clean air is discharged to the outside of the fan 6 through the air conveying pipe 8, so as to realize efficient sampling and filtering of the aerosol; when it is necessary to replace the filter plate 10, the handle 13 is pulled to drive the mounting plate 12 to move, the mounting plate 12 further drives the mounting block 11 to move correspondingly, the mounting block 11 drives the filter plate 10 to move through the connection with the bolt 14, the filter plate 10 is successfully separated from the outer shell 1, then the nut 15 is rotated and removed from the bolt 14, and then the bolt 14 is pulled out of the mounting block 11, the filter plate 10 is disassembled, the filter plate 10 is convenient to replace, the continuous and efficient operation of the equipment is ensured, and the practicability and maintenance convenience of the large-flow aerosol sampler are improved.

[0030] With reference to Figures 2-4 , the temperature control assembly is arranged in the outer shell 1 and is used for controlling the temperature in the outer shell 1, the temperature control assembly comprises a temperature sensor 16, the temperature sensor 16 is fixedly connected to the rear side of the inner wall of the outer shell 1, a refrigerating device 17 is fixedly connected to the right front side and the left rear side of the inner bottom of the outer shell 1, a heater 18 is fixedly connected to the left front side and the right rear side of the inner bottom of the outer shell 1, the refrigerating device 17 is electrically connected with the temperature sensor 16, and the temperature sensor 16 is electrically connected with the heater 18.

[0031] When it is necessary to accurately control the temperature in the outer shell 1, first, the preset value of the temperature sensor 16 is set, when the temperature sensor 16 detects that the temperature in the outer shell 1 is lower than the preset value, the temperature sensor 16 automatically controls the heater 18 to start, and the heater 18 heats the inside of the outer shell 1, when the temperature sensor 16 detects that the temperature in the outer shell 1 is higher than the preset value, the temperature sensor 16 automatically closes the heater 18 and controls the refrigerating device 17 to start to cool the inside of the outer shell 1, so as to avoid the adverse effect of high temperature on the performance of the sampler, improve the stability of the sampler in long-time use, ensure the accuracy and reliability of the collected aerosol sample, and effectively improve the working efficiency and performance stability of the large-flow aerosol sampler.

[0032] Working principle: when the large flow aerosol sampling is needed, the fan 6 is controlled to start to make the suction pipe 7 run to suck the air in the outer shell 1 into the suction pipe 7, the negative pressure is formed in the suction pipe 7 to make the air inlet pipe 5 suck the external air into the outer shell 1, the filter plate 10 filters the aerosol in the air, and the air is discharged through the air conveying pipe 8, when the filter plate 10 needs to be replaced, the handle two 13 is pulled to make the handle two 13 drive the mounting plate 12 to move, the mounting plate 12 drives the mounting block 11 to move, the mounting block 11 drives the filter plate 10 to move and separate from the outer shell 1 through the bolt 14, finally the nut 15 is rotated to make the nut 15 separate from the bolt 14, the bolt 14 is pulled to make the bolt 14 separate from the mounting block 11, so that the large flow aerosol sampler is convenient to replace the filter plate 10, and the practicability of the large flow aerosol sampler is improved, when the temperature in the outer shell 1 needs to be controlled, first, the temperature sensor 16 is set to a preset value, when the temperature sensor 16 detects that the temperature of the outer shell 1 is lower than the preset value, the temperature sensor 16 controls the heater 18 to start to heat the inside of the outer shell 1, when the temperature sensor 16 detects that the temperature in the outer shell 1 is higher than the preset value, the temperature sensor 16 controls the heater 18 to be closed and controls the refrigerator 17 to start to cool the inside of the outer shell 1, so that the large flow aerosol sampler is convenient to control the inside temperature, and the stability of the aerosol collected by the sampler is improved.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A large flow aerosol sampler comprising an outer housing (1), characterised in that: The upper right side of the shell body (1) is fixedly connected with an air inlet pipe (5), the left middle part of the shell body (1) is fixedly connected with a fan (6), the input end of the fan (6) is fixedly connected with an air suction pipe (7), the output end of the fan (6) is fixedly connected with a gas conveying pipe (8), the upper middle part of the shell body (1) is provided with an air slot (9), the middle part of the shell body (1) is slidably connected with a filter plate (10), the upper part of the filter plate (10) is provided with a mounting assembly for mounting the filter plate (10), and the inside of the shell body (1) is provided with a temperature control assembly for controlling the temperature inside the shell body (1).

2. The large flow aerosol sampler of claim 1, wherein: The mounting assembly comprises a mounting block (11), the mounting block (11) is slidably connected on the upper middle part of the left and right sides of the filter plate (10), the mounting block (11) is fixedly connected with a mounting plate (12) on the upper part, the mounting plate (12) is fixedly connected with a handle two (13) on the upper part, the mounting block (11) is provided with a bolt (14) on the front and rear sides, and the outer side of the bolt (14) is threadedly connected with a nut (15).

3. The large flow aerosol sampler of claim 1, wherein: The temperature control assembly comprises a temperature sensor (16), the temperature sensor (16) is fixedly connected to the inner wall of the shell body (1) on the rear side, the right front side and the left rear side of the inner bottom of the shell body (1) are fixedly connected with a refrigerator (17), and the left front side and the right rear side of the inner bottom of the shell body (1) are fixedly connected with a heater (18).

4. The large flow aerosol sampler of claim 1, wherein: The end of the air suction pipe (7) away from the fan (6) is fixedly connected with the shell body (1).

5. The large flow aerosol sampler of claim 1, wherein: The right front side of the shell body (1) is fixedly connected with a hinge (2) on the upper and lower sides, and the shell body (1) is rotatably connected with a material taking door (3) through the hinge (2), and the right rear side of the material taking door (3) is fixedly connected with a handle one (4).

6. A large flow aerosol sampler according to claim 2, wherein: The mounting block (11) is fixedly connected with the filter plate (10) through the bolt (14), and the mounting block (11) is slidably connected inside the air slot (9).

7. A large flow aerosol sampler according to claim 3, wherein: The refrigerator (17) and the temperature sensor (16) are electrically connected, and the temperature sensor (16) and the heater (18) are electrically connected.

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