CN218848880U

CN218848880U - Workshop dust concentration alarm system

Info

Publication number: CN218848880U
Application number: CN202222611771.7U
Authority: CN
Inventors: 李虹
Original assignee: Shenyang Huakong Technology Development Co ltd
Current assignee: Shenyang Huakong Technology Development Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-11
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a workshop dust concentration alarm system, which comprises a dust collection mechanism, a detection mechanism and a shaking mechanism; the dust collection mechanism comprises a fixing ring, a conical ring, an exhaust fan and a filter screen, the exhaust fan is arranged in the fixing ring, the side wall of the fixing ring is connected with the conical ring through a connecting mechanism, and the inner wall of the fixing ring is fixedly connected with the side wall of the filter screen; the detection mechanism comprises a dust monitoring instrument, a dust concentration detection head and an excessive dust alarm, and is arranged on the fixing ring; the shaking mechanism comprises two chutes, two L-shaped plates, two springs and two shaking plates, wherein the two chutes are symmetrically arranged on the inner wall of the fixing ring. The utility model discloses a set up the shake mechanism, can be so that the filter screen produces the shake, shake the dust that gathers the filter screen surface and get off, avoid among the prior art can't filter the clearance of monitoring otter board to the dust, influence the detection of dust concentration that dust concentration detection head flowed through on filtering the monitoring otter board to the dust.

Description

Workshop dust concentration alarm system

Technical Field

The utility model relates to a dust concentration detects technical field, especially relates to a workshop dust concentration alarm system.

Background

Workshop dust not only causes very big harm to workman's healthy, can explode moreover, and then can realize the safety work in the workshop through the concentration detection to workshop dust at present.

In the utility model discloses a "dust monitoring device for air purification" of utility model patent application number "202123309302.1", this scheme is through opening the motor of bleeding, rotatory flabellum of bleeding rotates the air suction, dust in the air is attached to on the dust filters monitoring otter board when dust filters the monitoring otter board, open dust monitoring instrument, dust concentration detecting head contacts the dust that flows through on the dust filters monitoring otter board, show dust concentration monitoring result from the dust monitoring instrument, excessive alarm of dust sends out the police dispatch newspaper and reminds when dust concentration is too high, dust filters when piling up too much on the monitoring otter board, can in time change the clearance dust and filter the monitoring otter board from taking off the buckle fixed block with otter board locking buckle, but this scheme still exists the weak point:

the clearance to the dust filtration monitoring otter board needs the manual work to its dismantlement processing, can not clear up it when using, such defect lies in when filtering the monitoring otter board to the dust, the dust can gather and can not fall in dust filtration monitoring otter board surface this moment, and then can lead to the dust to filter the more dust of gathering gradually on the monitoring otter board, thereby influence the flow of dust in dust filtration monitoring otter board department, and then influence the detection of dust concentration that the dust concentration detection head flowed through on the dust filtration monitoring otter board.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the workshop dust concentration alarm system who provides.

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

a workshop dust concentration alarm system comprises a dust collection mechanism, a detection mechanism and a shaking mechanism;

the dust collection mechanism comprises a fixing ring, a conical ring, an exhaust fan and a filter screen, the exhaust fan is installed in the fixing ring, the side wall of the fixing ring is connected with the conical ring through a connecting mechanism, and the inner wall of the fixing ring is fixedly connected with the side wall of the filter screen;

the detection mechanism comprises a dust monitoring instrument, a dust concentration detection head and an excessive dust alarm, and is arranged on the fixing ring;

shake mechanism includes two spouts, two L templates, two springs and two and shake the board, two the spout symmetry is seted up on solid fixed ring inner wall, two L template lateral wall respectively with two spout inner wall sliding connection, two L template lateral wall is respectively through two springs and two spout inner wall elastic connection, two shake the board and keep away from the one end fixed connection of spring with two L templates respectively.

Preferably, the dust monitoring instrument is installed on the upper end of the fixing ring, the dust concentration detecting head is installed on the dust monitoring instrument, and the dust excess alarm is installed on the dust monitoring instrument.

Preferably, coupling mechanism is including seting up the ring channel at the fixed ring lateral wall, ring channel inner wall threaded connection has the ring, the lateral wall and the toper ring lateral wall fixed connection of ring channel are kept away from to the ring.

Preferably, the shaking mechanism further comprises a cross rod which is fixedly connected with the exhaust fan in a coaxial mode, a first bevel gear is fixedly connected with one end of the cross rod, the end of the cross rod is far away from the exhaust fan, a vertical rod is rotatably connected to the inner wall of the fixing ring, a second bevel gear which is fixedly connected with the side wall of the vertical rod and meshed with the first bevel gear is arranged on the side wall of the vertical rod, and a cam which is attached to the side wall of the L-shaped plate is fixedly connected with the side wall of the vertical rod.

Preferably, the inner wall of the fixing ring is fixedly connected with a sealing box, and the first bevel gear and the second bevel gear are both located in the sealing box.

The utility model discloses following beneficial effect has:

1. through setting up the shake mechanism, can so that the filter screen produces the shake, shake the dust that gathers on the filter screen surface and get off, avoid among the prior art unable dust to filter monitoring otter board clearance, influence the detection of dust concentration that dust concentration detection head flowed through on filtering monitoring otter board to the dust.

2. Through setting up coupling mechanism, be convenient for dismantle solid fixed ring and conical ring to dust and filter screen surface that gather in the conical ring clean.

Drawings

Fig. 1 is a schematic structural diagram of a workshop dust concentration alarm system provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1. a fixing ring; 2. a conical ring; 3. an exhaust fan; 4. a dust monitoring instrument; 5. a dust concentration probe; 6. an alarm for excessive dust; 7. filtering with a screen; 8. a chute; 9. an L-shaped plate; 10. a spring; 11. shaking the board; 12. a vertical rod; 13. a cam; 14. a cross bar; 15. a first bevel gear; 16. a second bevel gear; 17. a sealing box; 18. an annular groove; 19. a circular ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a workshop dust concentration alarm system comprises a dust collection mechanism, a detection mechanism and a shaking mechanism.

Dust absorption mechanism includes solid fixed ring 1, toper ring 2, air exhauster 3 and filter screen 7, and air exhauster 3 installs in solid fixed ring 1, and solid fixed ring 1 lateral wall passes through coupling mechanism to be connected with toper ring 2, gu fixed ring 1 inner wall and filter screen 7 lateral wall fixed connection.

Coupling mechanism is including seting up at the ring channel 18 of solid fixed ring 1 lateral wall, and ring channel 18 inner wall threaded connection has ring 19, and ring 19 keeps away from the lateral wall and the 2 lateral walls fixed connection of conical ring of ring channel 18, and then is convenient for dismantle solid fixed ring 1 and conical ring 2 to the dust and the filter screen 7 surface of gathering in the conical ring 2 clean.

Detection mechanism includes dust monitoring instrument 4, dust concentration detecting head 5 and the excessive alarm of dust 6, and for prior art, detection mechanism installs on solid fixed ring 1, and dust monitoring instrument 4 installs in solid fixed ring 1 upper end, and dust concentration detecting head 5 installs on dust monitoring instrument 4, and the excessive alarm of dust 6 installs on dust monitoring instrument 4.

The shaking mechanism comprises two chutes 8, two L-shaped plates 9, two springs 10 and two shaking plates 11, wherein the two chutes 8 are symmetrically arranged on the inner wall of the fixing ring 1, the side walls of the two L-shaped plates 9 are respectively in sliding connection with the inner walls of the two chutes 8, the side walls of the two L-shaped plates 9 are respectively in elastic connection with the inner walls of the two chutes 8 through the two springs 10, and the two shaking plates 11 are respectively in fixed connection with one ends, far away from the springs 10, of the two L-shaped plates 9.

The shaking mechanism further comprises a cross rod 14 which is fixedly connected with the exhaust fan 3 in a coaxial mode, one end, far away from the exhaust fan 3, of the cross rod 14 is fixedly connected with a first bevel gear 15, the inner wall of the fixing ring 1 is rotatably connected with a vertical rod 12, the side wall of the vertical rod 12 is fixedly connected with a second bevel gear 16 which is meshed with the first bevel gear 15, and the side wall of the vertical rod 12 is fixedly connected with a cam 13 which is attached to the side wall of the L-shaped plate 9.

The inner wall of the fixing ring 1 is fixedly connected with a seal box 17, the first bevel gear 15 and the second bevel gear 16 are both located in the seal box 17, and the phenomenon that dust flowing in the fixing ring 1 can block the transmission effect between the first bevel gear 15 and the second bevel gear 16 is avoided.

In the utility model, one end of the fixing ring 1 far from the conical ring 2 is placed outdoors, the conical ring 2 is located indoors, then the exhaust fan 3 is driven, indoor dust can be sucked into the conical ring 2, then the dust is discharged outdoors through the fixing ring 1 after being filtered by the filter screen 7, the dust concentration detecting head 5 just opposite to the opening of the conical ring 2 can contact with flowing dust, and then the dust concentration monitoring result is displayed on the dust monitoring instrument 4, the excessive dust alarm 6 gives an alarm to remind when the dust concentration is too high, and the safe operation in a workshop is ensured;

the exhaust fan 3 rotates to drive a cross rod 14 which is coaxially and fixedly connected with the exhaust fan to rotate, and then the cross rod 14 drives a vertical rod 12 to rotate through a first bevel gear 15 and a second bevel gear 16, so that the vertical rod 12 drives two cams 13 to rotate, and further the two cams 13 can intermittently extrude two L-shaped plates 9, so that the two L-shaped plates 9 can drive two shaking plates 11 to move back and forth under the extrusion of the two cams 13 and the elastic force action of two springs 10, so that the two shaking plates 11 intermittently extrude the filter screen 7, the filter screen 7 can shake, and further dust accumulated on the surface of the filter screen 7 is shaken down, and the shaken dust is accumulated at the bottom of the conical ring 2, thereby avoiding the problem that the dust filtration monitoring screen cannot be cleaned in the prior art, and influencing the detection of the dust concentration detector 5 on the dust concentration flowing through the dust filtration monitoring screen;

when the exhaust fan 3 is not used, the conical ring 2 can be rotated at the moment, so that the circular ring 19 rotates towards the external thread in the annular groove 18, the conical ring 2 and the fixing ring 1 are disassembled, and dust accumulated in the conical ring 2 and the surface of the filter screen 7 are cleaned conveniently.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims

1. A workshop dust concentration alarm system is characterized by comprising a dust collection mechanism, a detection mechanism and a shaking mechanism;

the dust collection mechanism comprises a fixing ring (1), a conical ring (2), an exhaust fan (3) and a filter screen (7), wherein the exhaust fan (3) is installed in the fixing ring (1), the side wall of the fixing ring (1) is connected with the conical ring (2) through a connecting mechanism, and the inner wall of the fixing ring (1) is fixedly connected with the side wall of the filter screen (7);

the detection mechanism comprises a dust monitoring instrument (4), a dust concentration detection head (5) and an excessive dust alarm (6), and is arranged on the fixing ring (1);

shake mechanism and include that two spout (8), two L template (9), two springs (10) and two shake board (11), two spout (8) symmetry is seted up on solid fixed ring (1) inner wall, two L template (9) lateral wall respectively with two spout (8) inner wall sliding connection, two L template (9) lateral wall is respectively through two springs (10) and two spout (8) inner wall elastic connection, two shake board (11) and keep away from the one end fixed connection of spring (10) with two L template (9) respectively.

2. The workshop dust concentration alarm system according to claim 1, wherein the dust monitoring instrument (4) is mounted at the upper end of the fixing ring (1), the dust concentration detecting head (5) is mounted on the dust monitoring instrument (4), and the dust excess alarm (6) is mounted on the dust monitoring instrument (4).

3. The workshop dust concentration alarm system according to claim 1, wherein the connecting mechanism comprises an annular groove (18) formed in the side wall of the fixing ring (1), a circular ring (19) is connected to the inner wall of the annular groove (18) in a threaded manner, and the side wall, far away from the annular groove (18), of the circular ring (19) is fixedly connected with the side wall of the conical ring (2).

4. The workshop dust concentration alarm system according to claim 1, wherein the shaking mechanism further comprises a cross rod (14) coaxially and fixedly connected with the exhaust fan (3), one end of the cross rod (14) far away from the exhaust fan (3) is fixedly connected with a first bevel gear (15), the inner wall of the fixing ring (1) is rotatably connected with a vertical rod (12), the side wall of the vertical rod (12) is fixedly connected with a second bevel gear (16) meshed with the first bevel gear (15), and the side wall of the vertical rod (12) is fixedly connected with a cam (13) attached to the side wall of the L-shaped plate (9).

5. The workshop dust concentration alarm system according to claim 4, wherein a seal box (17) is fixedly connected to the inner wall of the fixing ring (1), and the first bevel gear (15) and the second bevel gear (16) are both located in the seal box (17).