CN219038747U

CN219038747U - Explosion-proof type particulate matter concentration detection device

Info

Publication number: CN219038747U
Application number: CN202223537141.6U
Authority: CN
Inventors: 侍振
Original assignee: Jiangsu Puwei Environment Technology Co ltd
Current assignee: Jiangsu Puwei Environment Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-16
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of environmental monitoring and discloses an explosion-proof particulate matter concentration detection device which comprises a box body, wherein two sides of the upper part of the box body are respectively provided with an air inlet pipe and a cleaning box, one side of the inner wall of the box body is provided with a detection element, the lower end of the air inlet pipe extends into the box body and is connected with the air inlet end of the detection element, one side of the inner wall of the box body is provided with an air pump which is connected with the exhaust end of the detection element, the upper part of the air inlet pipe is provided with a filter screen, two ends of the cleaning box are of an opening structure, the cleaning box is internally provided with cleaning pieces, and the upper part of the box body is provided with a driving and rotating mechanism which is used for driving the filter screen to rotate to the inside of the cleaning box for cleaning. According to the utility model, the filter screen is automatically cleaned, the unsmooth air intake caused by the blockage of the filter screen is avoided, and the accuracy of detection data is improved.

Description

Explosion-proof type particulate matter concentration detection device

Technical Field

The utility model belongs to the technical field of environmental monitoring, and particularly relates to an explosion-proof type particulate matter concentration detection device.

Background

When a workpiece is processed, a large amount of dust is generated by polishing and polishing the workpiece, the processing environment is influenced, dust explosion accidents are easy to occur when the dust concentration in the working space is too high, and safety threats exist, so that a particle concentration detection device is required to be arranged in a processing workshop to monitor the air condition of a factory in real time.

Most of the current concentration detection devices perform concentration detection through active air inlet and detection elements, a filter screen is generally arranged at an air inlet to enter larger magazines or foreign matters, dust is accumulated on the surface of the filter screen after the filter screen is used for a long time, blocking is caused, dust can be carried in during air inlet, and the detected air dust content is inconsistent with actual detection data.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides an explosion-proof type particulate matter concentration detection device, includes the box, box upper portion both sides are equipped with intake pipe, clean box respectively, detecting element is installed to box inner wall one side, and the intake pipe lower extreme extends to in the box and is connected with detecting element air inlet end, the air pump is installed to box inner wall one side, and the air pump is connected with detecting element exhaust end, intake pipe upper portion is equipped with the filter screen, clean box both ends are open structure, and clean inside being equipped with of box, box upper portion is equipped with drive rotary mechanism, and drive rotary mechanism is used for driving the filter screen rotation to clean the inside of clean box.

As a preferred embodiment of the utility model, the cleaning member is a plurality of brushes, the plurality of brushes are uniformly fixed on the bottom wall inside the cleaning box, a plurality of ash dropping grooves are formed in the bottom of the cleaning box, and the ash dropping grooves are formed between two adjacent brushes.

As a preferable implementation mode of the utility model, the upper end of the air inlet pipe is fixedly provided with the air collecting cover, the outside of the filter screen is fixedly provided with the filter screen ring, and the upper part of the air collecting cover is in abutting contact with the lower part of the filter screen ring.

As a preferred embodiment of the utility model, the driving rotation mechanism comprises a fixed column fixed on the upper part of the box body, the fixed column is positioned between the air inlet pipe and the cleaning box, the upper end of the fixed column is rotationally connected with a rotating seat, one side of the rotating seat is rotationally connected with a rotating shaft, the other end of the rotating shaft is connected with a filter screen ring, a second motor is arranged at the upper end inside the fixed column and used for driving the rotating seat to rotate, a first motor is arranged at one side inside the rotating seat, and the first motor is used for driving the rotating shaft to rotate.

As a preferred implementation mode of the utility model, the cleaning box is fan-shaped, and the inner cambered surface of the cleaning box is provided with a notch which is matched with the rotating shaft.

As a preferred implementation mode of the utility model, a fixed block is fixed at one end of the rotating shaft, which is close to the filter screen ring, a chute is arranged at one side of the fixed block, a sliding block is arranged in the chute in a sliding way, one side of the sliding block is fixed on the side wall of the filter screen ring, a rotary pin is arranged at one side, which is far away from the sliding block, of the filter screen ring, an arc-shaped rod is fixed on the inner wall of one side of the cleaning box, a plurality of wave grooves are equidistantly arranged at the bottom of the arc-shaped rod, and the rotary pin can be contacted with the wave grooves after the filter screen rotates into the cleaning box.

As a preferable implementation mode of the utility model, a guide pin is fixed in the chute, penetrates through the sliding block and is in sliding connection with the sliding block, and springs are sleeved at two ends of the guide pin.

As a preferable implementation mode of the utility model, a connecting column is fixed on one side of the air inlet pipe, a trapezoid block is fixed on the other end of the connecting column, and the rotating pin is matched with the trapezoid block.

As a preferred implementation mode of the utility model, a display panel is arranged on one side of the box body, detection data of the detection element can be displayed through the display panel, a plurality of connecting rods are fixed at the bottom of the cleaning box, the lower ends of the connecting rods are fixed at the upper part of the box body, a bracket is fixed at the bottom of the box body, a mounting plate is fixed at the other end of the bracket, and the box body can be fixed on a wall surface through the mounting plate.

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

according to the utility model, through the cleaning box, when the filter screen is used for a long time and is blocked by more dust, the rotating seat is driven to rotate by the second motor, so that the filter screen rotates into the cleaning box, meanwhile, the first motor drives the rotating shaft to rotate, so that the filter screen overturns for one hundred eighty degrees, when the filter screen enters the cleaning box, one side of the filter screen, which is full of dust, is tightly contacted with the hairbrush, dust impurities on the filter screen are swept out, after the filter screen enters the cleaning box, the rotary pin is contacted with the wave groove, and the filter screen is driven to vibrate up and down under the action of the sliding block and the spring, so that the dust on the filter screen is further ensured to be cleared, after the filter screen is cleared, the second motor drives the filter screen to rotate back, and the first motor drives the filter screen to overturn for one hundred eighty degrees again, and finally, the filter screen is covered on the upper part of the wind collecting cover again, so that automatic clearing is finished, regular clearing is realized, and unsmooth air intake and inaccurate detection data caused by blocking are avoided.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

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

FIG. 3 is a schematic view of a partially enlarged structure of the present utility model;

FIG. 4 is a schematic perspective view of an air inlet pipe and a filter screen according to the present utility model;

FIG. 5 is a schematic perspective view of a fixed block according to the present utility model;

FIG. 6 is a schematic diagram of a three-dimensional structure of a filter screen according to the present utility model;

FIG. 7 is a schematic perspective view of a cleaning cartridge of the present utility model;

fig. 8 is a schematic perspective view of an arc-shaped rod according to the present utility model.

In the figure: 1. a mounting plate; 2. a bracket; 3. a case; 4. an air inlet pipe; 5. a filter screen; 6. fixing the column; 7. a cleaning box; 8. a connecting rod; 9. a wind collecting hood; 10. a detection element; 11. an air pump; 12. a rotating seat; 13. a rotating shaft; 14. a fixed block; 15. a trapezoid block; 16. a connecting column; 17. a filter screen ring; 18. a first motor; 19. a second motor; 20. a spring; 21. a slide block; 22. a guide pin; 23. a rotary pin; 24. a notch; 25. an arc-shaped rod; 26. an ash falling groove; 27. a brush; 28. wave grooves.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

As shown in fig. 1 to 8, an explosion-proof particulate matter concentration detection device comprises a box body 3, the both sides of the upper portion of the box body 3 are respectively provided with an air inlet pipe 4 and a cleaning box 7, a detection element 10 is installed on one side of the inner wall of the box body 3, the lower end of the air inlet pipe 4 extends into the box body 3 and is connected with the air inlet end of the detection element 10, an air pump 11 is installed on one side of the inner wall of the box body 3, the air pump 11 is connected with the air outlet end of the detection element 10, a filter screen 5 is arranged on the upper portion of the air inlet pipe 4, the two ends of the cleaning box 7 are of an opening structure, cleaning pieces are arranged in the cleaning box 7, a driving rotating mechanism is arranged on the upper portion of the box body 3 and is used for driving the filter screen 5 to rotate to the inside of the cleaning box 7 for cleaning, automatic cleaning is achieved, air inlet unsmooth caused by filter screen blockage is avoided, and accuracy of detection data is improved.

The cleaning member is a plurality of brushes 27, and a plurality of brushes 27 are evenly fixed at the inside diapire of cleaning box 7, and a plurality of ash falling grooves 26 have been seted up to cleaning box 7 bottom, and ash falling grooves 26 all offer between two adjacent brushes 27, and filter screen 5 sweeps the dust down with brush 27 contact back to by ash falling grooves 26 discharge.

The upper end of the air inlet pipe 4 is fixed with a wind collecting cover 9, the outside of the filter screen 5 is fixed with a filter screen ring 17, the upper part of the wind collecting cover 9 is in tight contact with the lower part of the filter screen ring 17, and the wind collecting cover 9 is in tight contact with the filter screen ring 17, so that dust is prevented from entering from a gap.

The driving rotation mechanism comprises a fixed column 6 fixed on the upper portion of the box body 3, the fixed column 6 is located between the air inlet pipe 4 and the cleaning box 7, the upper end of the fixed column 6 is rotationally connected with a rotating seat 12, one side of the rotating seat 12 is rotationally connected with a rotating shaft 13, the other end of the rotating shaft 13 is connected with a filter screen ring 17, a second motor 19 is mounted on the upper end inside the fixed column 6, the second motor 19 is used for driving the rotating seat 12 to rotate, a first motor 18 is mounted on one side inside the rotating seat 12, the first motor 18 is used for driving the rotating shaft 13 to rotate, the second motor 19 is driven to drive the rotating seat 12 to rotate, the filter screen 5 is made to approach the cleaning box 7, meanwhile, the first motor 18 drives the rotating shaft 13 to rotate, the filter screen 5 is enabled to turn over one hundred eighty degrees, and one side full of dust impurities is turned to the lower portion.

The cleaning box 7 is fan-shaped, a notch 24 is formed in the inner cambered surface of the cleaning box 7, the notch 24 is matched with the rotating shaft 13, and after the filter screen 5 enters the cleaning box 7, the rotating shaft 13 enters the notch 24.

The pivot 13 is close to filter screen ring 17 one end and is fixed with fixed block 14, and fixed block 14 one side is opened there is the spout, the slip is equipped with slider 21 in the spout, slider 21 one side is fixed in on the filter screen ring 17 lateral wall, filter screen ring 17 is kept away from slider 21 one side and is rotated and be equipped with round pin 23, the inner wall of cleaning box 7 one side is fixed with arc pole 25, and the equidistance of arc pole 25 bottom is opened there is a plurality of wave grooves 28, after filter screen 5 is rotated to cleaning box 7 inside, round pin 23 can be with wave groove 28 contact, filter screen 5 gets into in the cleaning box 7 simultaneously, round pin 23 and wave groove 28 contact, and drive filter screen 5 vibrations from top to bottom under slider 21 and spring 20, shake the dust on the filter screen 5.

A guide pin 22 is fixed in the chute, the guide pin 22 penetrates through the sliding block 21 and is in sliding connection with the sliding block, and springs 20 are sleeved at two ends of the guide pin 22.

A connecting column 16 is fixed on one side of the air inlet pipe 4, a trapezoid block 15 is fixed on the other end of the connecting column 16, a rotating pin 23 is matched with the trapezoid block 15, and the rotating pin 23 is in contact extrusion with the bottom of the trapezoid block 15, so that the filter screen ring 17 can be tightly attached to the upper portion of the air collecting cover 9.

The box 3 one side is equipped with display panel, and the detection data accessible display panel of detecting element 10 shows, cleaning box 7 bottom is fixed with a plurality of connecting rods 8, and the connecting rod 8 lower extreme all is fixed in box 3 upper portion, and box 3 bottom is fixed with support 2, and the support 2 other end is fixed with mounting panel 1, and box 3 accessible mounting panel is fixed in the wall.

The implementation principle of the explosion-proof particulate matter concentration detection device of this embodiment is as follows: when the filter screen falls into dust more and causes the jam, can drive rotary seat 12 through second motor 19 to make filter screen 5 rotate to in the cleaning box 7, simultaneously first motor 18 drives pivot 13 rotation, make filter screen 5 upset one hundred eighty degrees, will fall into one side of dust impurity and turn to the lower part, after filter screen 5 gets into in the cleaning box 7, one side and brush 27 in close contact with, sweep the dust impurity on the filter screen 5, when filter screen 5 gets into in the cleaning box 7, rotary pin 23 and wave groove 28 contact, and drive filter screen 5 vibrations about under slider 21 and spring 20's effect, shake the dust on the filter screen 5, clear up after the filter screen 5 is rotated out by cleaning box 7 other end, second motor 19 continues to drive and drive filter screen 5 rotatory return, and first motor 18 drives filter screen 5 through pivot 13 and overturn one hundred eighty degrees again, finally cover filter screen 5 again and establish on album fan housing 9 upper portion, at this moment, 23 and trapezoidal piece 15 bottom contact extrusion, make filter screen ring 17 can laminate on album fan housing 9 upper portion.

Claims

1. The utility model provides an explosion-proof particulate matter concentration detection device, includes box (3), its characterized in that, box (3) upper portion both sides are equipped with intake pipe (4), cleaning box (7) respectively, detecting element (10) are installed to box (3) inner wall one side, and intake pipe (4) lower extreme extends to in box (3) and is connected with detecting element (10) air inlet end, air pump (11) are installed to box (3) inner wall one side, and air pump (11) are connected with detecting element (10) exhaust end, intake pipe (4) upper portion is equipped with filter screen (5), cleaning box (7) both ends are open structure, and cleaning box (7) inside is equipped with the cleaning member, box (3) upper portion is equipped with drive rotary mechanism, and drive rotary mechanism is used for driving filter screen (5) rotation to cleaning box (7) inside.

2. The explosion-proof type particulate matter concentration detection device according to claim 1, wherein the cleaning member is a plurality of brushes (27), the plurality of brushes (27) are uniformly fixed on the bottom wall inside the cleaning box (7), a plurality of ash dropping grooves (26) are formed in the bottom of the cleaning box (7), and the ash dropping grooves (26) are formed between two adjacent brushes (27).

3. The explosion-proof particulate matter concentration detection apparatus according to claim 1, wherein a wind collecting cover (9) is fixed at the upper end of the air inlet pipe (4), a filter screen ring (17) is fixed outside the filter screen (5), and the upper part of the wind collecting cover (9) is in abutting contact with the lower part of the filter screen ring (17).

4. An explosion-proof particulate matter concentration detection apparatus according to claim 3, wherein the driving rotation mechanism comprises a fixed column (6) fixed on the upper portion of the box body (3), the fixed column (6) is located between the air inlet pipe (4) and the cleaning box (7), the upper end of the fixed column (6) is rotationally connected with a rotating seat (12), one side of the rotating seat (12) is rotationally connected with a rotating shaft (13), the other end of the rotating shaft (13) is connected with a filter screen ring (17), a second motor (19) is mounted on the upper end inside the fixed column (6), the second motor (19) is used for driving the rotating seat (12) to rotate, a first motor (18) is mounted on one side inside the rotating seat (12), and the first motor (18) is used for driving the rotating shaft (13) to rotate.

5. The explosion-proof type particulate matter concentration detection apparatus according to claim 4, wherein the cleaning box (7) is fan-shaped, and a notch (24) is formed in an intrados of the cleaning box (7), and the notch (24) is adapted to the rotating shaft (13).

6. The explosion-proof type particulate matter concentration detection device according to claim 4, wherein the rotating shaft (13) is fixed with a fixed block (14) near one end of the filter screen ring (17), a chute is formed in one side of the fixed block (14), a sliding block (21) is arranged in the chute in a sliding manner, one side of the sliding block (21) is fixed on the side wall of the filter screen ring (17), a rotary pin (23) is arranged on one side, far away from the sliding block (21), of the filter screen ring (17), an arc-shaped rod (25) is fixed on the inner wall of one side of the cleaning box (7), a plurality of wave grooves (28) are formed in the bottom of the arc-shaped rod (25) at equal intervals, and the rotary pin (23) can be contacted with the wave grooves (28) after the filter screen (5) is rotated into the cleaning box (7).

7. The explosion-proof type particulate matter concentration detection apparatus according to claim 6, wherein a guide pin (22) is fixed in the chute, the guide pin (22) penetrates through the slider (21) and is slidably connected with the slider, and springs (20) are sleeved at two ends of the guide pin (22).

8. The explosion-proof particulate matter concentration detection apparatus as set forth in claim 7, wherein a connecting column (16) is fixed on one side of the air inlet pipe (4), a trapezoid block (15) is fixed on the other end of the connecting column (16), and the rotating pin (23) is adapted to the trapezoid block (15).

9. The explosion-proof type particulate matter concentration detection device according to claim 1, wherein a display panel is arranged on one side of the box body (3), detection data of the detection element (10) can be displayed through the display panel, a plurality of connecting rods (8) are fixed at the bottom of the cleaning box (7), the lower ends of the connecting rods (8) are fixed on the upper portion of the box body (3), a support (2) is fixed at the bottom of the box body (3), a mounting plate (1) is fixed at the other end of the support (2), and the box body (3) can be fixed on a wall surface through the mounting plate.