CN213337226U

CN213337226U - Dust concentration sensor

Info

Publication number: CN213337226U
Application number: CN202021654771.XU
Authority: CN
Inventors: 徐建; 周於勇; 胡友昌; 华明明
Original assignee: Jiangsu Shine Technology Co ltd
Current assignee: Jiangsu Shine Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-01
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to the technical field of mining equipment, in particular to a dust concentration sensor, which comprises a control center, a pump body component, a detection component and a protective cover component, wherein all the components are fixedly connected through a clamp, and the whole structure is convenient to install and maintain; wherein, the detection subassembly carries out the detection of dust concentration through waiting to examine gas in the dirt section of thick bamboo through the method that laser detected, and pump body subassembly sets up in detection subassembly upper portion for waiting to examine gas and inhaling to detection subassembly from the safety cover outside, make the sensor can continuously to waiting to examine gas and carry out the detection of dust concentration, improve the accuracy that detects, and the safety cover subassembly sets up detection subassembly's inlet end when playing the guard action to detection subassembly, can shelter from external light, guarantees the no light environment in the detection subassembly dirt section of thick bamboo, guarantees the accuracy that concentration detected, and control center can carry out intelligent control and data interaction to pump body subassembly and detection subassembly.

Description

Dust concentration sensor

Technical Field

The utility model relates to a mining equipment technical field especially relates to a dust concentration sensor.

Background

When measuring the dust concentration, a dust sampler and a direct-reading dust meter are mostly adopted. The former utilizes the principle of a filter membrane weighing method: extracting a certain volume of dust-containing air, trapping dust on the filter membrane, and calculating the mass concentration of the dust in the unit volume of air by using a formula according to the mass of the dust added on the filter membrane, wherein the dust-containing air has the defects of troublesome operation and difficulty in calculation of the dust concentration value; the latter utilizes the principle such as light scattering of indirect method, utilizes the sample thief to mark, but the working time is short, and the measuring number of times is limited, can not monitor the dust continuously, only can use as conventional portable dust detector.

In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a dust concentration sensor and make the dust concentration sensor more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a dust concentration sensor.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a dust concentration sensor comprises a control center, a pump body assembly, a detection assembly and a protection cover assembly;

the control center is of a box body structure and comprises a shell and a cover plate, a first circuit board and a display screen are arranged in the control center, and an adapter is arranged at the bottom of the control center and fixedly connected with the pump body assembly through the adapter;

the pump body assembly comprises a first cavity, an air suction pump arranged in the first cavity, a first air outlet pipe and a glue seal cavity, and the glue seal cavity is used for sealing and protecting the air suction pump in the glue seal cavity;

the detection assembly comprises a second cavity and a mounting seat arranged in the second cavity, and a laser, a refraction plate, a photodiode, a second circuit board and a second air outlet pipe communicated with the first air outlet pipe are arranged on the mounting seat;

the pump body subassembly, the determine module with the safety cover subassembly connects gradually and sets up control center's bottom, the pump body subassembly sets up in determine module upper portion for will wait to examine gaseous inhaling to determine module from the safety cover outside, the pump body subassembly, determine module with sealing connection between the safety cover subassembly.

Further, the adaptor, the pump body subassembly, the detection subassembly with link between the safety cover subassembly all is provided with the chuck, through seamless connection is realized to the chuck outside is provided with the clamp, will sealing connection between the chuck.

Further, aviation sockets are arranged on the outer walls of the shell, the first cavity and the second cavity, the aviation sockets are connected with two ends of an aviation line respectively, the control center is communicated with the pump body assembly, and the detection assemblies are communicated with each other respectively.

Furthermore, the mounting seat is fixed on a second fixing plate and is fixedly connected with the inner wall of the second cavity through the second fixing plate, and the second air outlet pipe penetrates through the mounting seat and is arranged in the vertical direction;

the mounting base includes first installation department and second installation department, the vertical setting of first installation department is in on the second installation department, just still vertical being provided with on the second installation department the second circuit board.

Furthermore, a dust cylinder is arranged inside the mounting seat, and the dust cylinder is arranged along the vertical direction of the mounting seat and penetrates through two ends of the mounting seat in the vertical direction;

the laser instrument, the refraction board with photodiode all sets up on the inner wall of dirt section of thick bamboo same height, wherein, the refraction board sets up downtheholely in the refraction, and with the transversal 45 degrees angle settings of personally submitting of refraction hole.

Further, a dust cylinder is arranged to be of a hollow cylinder structure, the inner wall of the dust cylinder is coated with no light paint, the laser and an included angle between the photodiodes are arranged to be 120 degrees, and the light folding hole and the included angle between the lasers are 180 degrees.

Furthermore, the suction hole and the exhaust hole of the air suction pump are arranged outside the glue seal cavity, a first suction pipe and a first air outlet pipe are arranged in the glue seal cavity, and an aviation socket arranged on the side face of the glue seal cavity is used for supplying power to the air suction pump.

Furthermore, a supporting seat is arranged at the upper part of the glue sealing cavity, and a first fixing plate is arranged at the bottom of the glue sealing cavity;

the supporting seat is used for fixing the air pump, and two ends of the first air suction pipe and the first air outlet pipe are respectively and fixedly connected with the supporting seat and the first fixing plate.

Furthermore, the protective cover assembly comprises a first protective cover and a second protective cover, the second protective cover is arranged in the first protective cover, and a plurality of vent holes are formed in the first protective cover and the second protective cover;

and the second air outlet pipe penetrates through the second shield and is communicated with the vent hole on the first shield.

Further, the one end of apron length direction with the casing is articulated be provided with the display window on the casing, the display window passes through the bolt fastening shell inner wall the display window with be provided with the sealing washer between the shell inner wall.

The utility model has the advantages that: the dust concentration sensor comprises a control center, a pump body assembly, a detection assembly and a protection cover assembly, wherein all the parts are fixedly connected through a clamp, and the integral structure is convenient to install and maintain; wherein, the detection subassembly carries out the detection of dust concentration through waiting to examine gas in the dirt section of thick bamboo through the method that laser detected, and pump body subassembly sets up in detection subassembly upper portion for waiting to examine gas and inhaling to detection subassembly from the safety cover outside, make the sensor can continuously to waiting to examine gas and carry out the detection of dust concentration, improve the accuracy that detects, and the safety cover subassembly sets up detection subassembly's inlet end when playing the guard action to detection subassembly, can shelter from external light, guarantees the no light environment in the detection subassembly dirt section of thick bamboo, guarantees the accuracy that concentration detected, and control center can carry out intelligent control and data interaction to pump body subassembly and detection subassembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dust concentration sensor according to an embodiment of the present invention;

fig. 2 is a front view of a sensor in an embodiment of the invention;

fig. 3 is a schematic structural diagram of a control center in an embodiment of the present invention;

fig. 4 is a schematic structural view of a protective cover assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a pump body assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a mounting seat in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a detection assembly according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of the detecting assembly according to the embodiment of the present invention.

Reference numerals: 1. a control center; 11. a housing; 12. a cover plate; 111. a display window; 112. a seal ring; 113. a first circuit board; 114. a display screen; 2. a pump body assembly; 21. a first cavity; 22. an air pump; 23. gluing and sealing the cavity; 231. a suction hole; 232. an exhaust hole; 24. a first air outlet pipe; 25. a first inhalation tube; 26. a supporting seat; 27. a first fixing plate; 3. a detection component; 31. a second cavity; 32. a second air outlet pipe; 33. a second fixing plate; 34. a mounting seat; 341. a first mounting portion; 342. a second mounting portion; 343. a dust cylinder; 344. a laser; 345. a light refracting plate; 346. a photodiode; 347. a second circuit board; 4. a protective cover assembly; 41. a first shield; 42. a second shield; 43. a vent hole; 51. an adapter; 52. a chuck; 53. clamping a hoop; 54. an aviation socket; 55. and (4) an air line.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The dust concentration sensor shown in fig. 1 to 3 comprises a control center 1, a pump body assembly 2, a detection assembly 3 and a protection cover assembly 4; the control center 1 is set as a box structure and comprises a shell 11 and a cover plate 12, a first circuit board 113 and a display screen 114 are arranged in the control center 1, and an adapter 51 is arranged at the bottom of the control center 1 and is fixedly connected with the pump body assembly 2 through the adapter 51; the pump body assembly 2 comprises a first cavity 21, a suction pump 22 arranged in the first cavity 21, a first air outlet pipe 24 and a glue sealing cavity 23, wherein the glue sealing cavity 23 is used for sealing and protecting the suction pump 22 in the glue sealing cavity 23; the detection component 3 comprises a second cavity 31 and a mounting seat 34 arranged inside the second cavity 31, wherein a laser 344, a refractive plate 345, a photodiode 346 and a second circuit board 347 are arranged on the mounting seat 34, and a second air outlet pipe 32 communicated with the first air outlet pipe 24 is arranged; pump body subassembly 2, detecting component 3 and safety cover subassembly 4 connect gradually and set up in the bottom of control center 1, and pump body subassembly 2 sets up in detecting component 3 upper portion for will wait to examine gaseous from the safety cover outside and inhale to detecting component 3, pump body subassembly 2, sealing connection between detecting component 3 and the safety cover subassembly 4. The dust concentration sensor comprises a control center, a pump body assembly, a detection assembly and a protection cover assembly, wherein the parts are fixedly connected through a clamp, the whole structure is simple, installation and maintenance are convenient, and the dust concentration sensor is more practical.

In the specific implementation process, chucks 52 are arranged at the connecting ends among the adaptor 51, the pump body assembly 2, the detection assembly 3 and the protection cover assembly 4, seamless connection is realized through the chucks 52, and a clamp 53 is arranged on the outer side of the chucks 52 to hermetically connect the chucks 52; aviation sockets 54 are arranged on the outer walls of the shell 11, the first cavity 21 and the second cavity 31, two ends of each aviation line 55 are respectively connected with the aviation sockets 54, and the control center 1 is respectively communicated with the pump body assembly 2 and the detection assembly 3. Overall structure easy to assemble and later stage are to the maintenance and the maintenance of device, through air wire UNICOM control center and pump body subassembly, and determine module makes control center can carry out intelligent control and data interaction to pump body subassembly and determine module to on presenting display screen with the testing result, make things convenient for staff's very first time and more audio-visual acquisition to detect data.

As a preferred embodiment of the present application, the mounting seat 34 is fixed on the second fixing plate 33 and is fixedly connected with the inner wall of the second cavity 31 through the second fixing plate 33, and the second air outlet pipe 32 penetrates through the mounting seat 34 in the vertical direction; the mount 34 includes a first mounting portion 341 and a second mounting portion 342, the first mounting portion 341 being vertically disposed on the second mounting portion 342, and a second circuit board 347 being further vertically disposed on the second mounting portion 342. The dust cylinder 343 is arranged inside the mounting seat 34, and the dust cylinder 343 is arranged along the vertical direction of the mounting seat 34 and penetrates through two ends of the mounting seat 34 in the vertical direction; the laser 344, the refraction plate 345 and the photodiode 346 are all arranged on the inner wall of the dust barrel 343 at the same height, wherein the refraction plate 345 is arranged in the refraction hole and arranged at an angle of 45 degrees with the cross section of the refraction hole.

In a specific implementation process, the dust cylinder 343 is configured as a hollow cylinder, the inner wall of the dust cylinder 343 is coated with a matt varnish, an included angle between the laser 344 and the photodiode 346 is set to 120 degrees, and an included angle between the light folding hole and the laser 344 is 180 degrees. Detecting the dust concentration of the gas to be detected in the dust cylinder by a laser detection method, and feeding back detection data to a control center; an included angle between a laser 344 and a photodiode 346 in the dust cylinder is set to be 120 degrees, the inner wall of the dust cylinder is subjected to no-varnish treatment, a dust-containing scattering light surface is received to the maximum extent, stray light interference is avoided, and the accuracy of a detection result is ensured.

According to a preferred embodiment of the present application, the air suction hole 231 and the air exhaust hole 232 of the air suction pump 22 are disposed outside the glue sealing cavity 23, the first air suction pipe 25 and the first air outlet pipe 24 are disposed in the glue sealing cavity 23, and the aviation socket 54 disposed on the side surface of the glue sealing cavity 23 is used for supplying power to the air suction pump 22. Wherein, the upper part of the glue sealing cavity 23 is provided with a supporting seat 26, and the bottom of the glue sealing cavity 23 is provided with a first fixing plate 27; the supporting base 26 is used for fixing the air pump 22, and two ends of the first air suction pipe 25 and the first air outlet pipe 24 are respectively fixedly connected with the supporting base 26 and the first fixing plate 27. The pump body assembly is arranged on the upper portion of the detection assembly and used for sucking the gas to be detected from the outside of the protection cover to the detection assembly, so that the sensor can continuously detect the dust concentration of the gas to be detected, and the detection accuracy is improved.

In this embodiment, the protective cover assembly 4 includes a first protective cover 41 and a second protective cover 42, the second protective cover 42 is disposed inside the first protective cover 41, and a plurality of vent holes 43 are opened on the first protective cover 41 and the second protective cover 42; the second air outlet pipe 32 passes through the second hood 42 and communicates with the air vent hole 43 of the first hood 41. The safety cover subassembly sets up detection component's inlet end when playing the guard action to detection component, can shelter from external light, guarantees the no light environment in the detection component dirt section of thick bamboo, guarantees the accuracy that concentration detected.

In the present embodiment, one end of the cover plate 12 in the longitudinal direction is hinged to the housing 11, the housing 11 is provided with a display window 111, the display window 111 is fixed to the inner wall of the housing 11 by bolts, and a gasket 112 is provided between the display window 111 and the inner wall of the housing 11. The display screen inside the shell can be observed through the display window, and detection data can be visually obtained at the first time.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dust concentration sensor, comprising: the device comprises a control center (1), a pump body assembly (2), a detection assembly (3) and a protection cover assembly (4);

the control center (1) is of a box structure and comprises a shell (11) and a cover plate (12), a first circuit board (113) and a display screen (114) are arranged in the control center (1), an adapter piece (51) is arranged at the bottom of the control center (1), and the control center is fixedly connected with the pump body assembly (2) through the adapter piece (51);

the pump body assembly (2) comprises a first cavity (21), a suction pump (22) arranged in the first cavity (21), a first air outlet pipe (24) and a glue sealing cavity (23), and the glue sealing cavity (23) is used for sealing and protecting the suction pump (22) in the glue sealing cavity;

the detection assembly (3) comprises a second cavity (31) and a mounting seat (34) arranged inside the second cavity (31), wherein a laser (344), a refraction plate (345), a photodiode (346) and a second circuit board (347) are arranged on the mounting seat (34), and a second air outlet pipe (32) communicated with the first air outlet pipe (24);

pump body subassembly (2), detecting component (3) with safety cover subassembly (4) connect gradually and set up the bottom of control center (1), pump body subassembly (2) set up in detecting component (3) upper portion for will examine gaseous from the safety cover outside and inhale to detecting component (3), pump body subassembly (2), detecting component (3) with sealing connection between safety cover subassembly (4).

2. The dust concentration sensor according to claim 1, wherein a chuck (52) is arranged at the connecting end of the adaptor (51), the pump body assembly (2), the detection assembly (3) and the protection cover assembly (4), seamless connection is realized through the chuck (52), and a clamp (53) is arranged at the outer side of the chuck (52) to hermetically connect the chucks (52).

3. The dust concentration sensor according to claim 2, wherein aviation sockets (54) are respectively arranged on the outer walls of the housing (11), the first cavity (21) and the second cavity (31), and the aviation sockets (54) are respectively connected with two ends of an aviation line (55) to respectively communicate the control center (1) with the pump body assembly (2) and the detection assembly (3).

4. The dust concentration sensor according to claim 1, wherein the mounting seat (34) is fixed on a second fixing plate (33) and is fixedly connected with the inner wall of the second cavity (31) through the second fixing plate (33), and the second air outlet pipe (32) penetrates through the mounting seat (34) and is arranged in the vertical direction; the mounting seat (34) comprises a first mounting portion (341) and a second mounting portion (342), the first mounting portion (341) is vertically arranged on the second mounting portion (342), and the second circuit board (347) is vertically arranged on the second mounting portion (342).

5. The dust concentration sensor according to claim 4, wherein a dust cylinder (343) is provided inside the mount (34), and the dust cylinder (343) is provided along a vertical direction of the mount (34) and penetrates both ends of the mount (34) in the vertical direction; the laser (344), the refraction plate (345) and the photodiode (346) are all arranged on the inner wall of the dust barrel (343) at the same height, wherein the refraction plate (345) is arranged in a refraction hole and arranged at an angle of 45 degrees with the cross section of the refraction hole.

6. The dust concentration sensor according to claim 5, wherein the dust canister (343) is configured as a hollow cylinder, the inner wall of the dust canister (343) is coated with a matt varnish, the angle between the laser (344) and the photodiode (346) is set to 120 degrees, and the angle between the refraction hole and the laser (344) is 180 degrees.

7. The dust concentration sensor according to claim 1, wherein the air suction hole (231) and the air exhaust hole (232) of the air suction pump (22) are arranged outside the glue sealing cavity (23), a first air suction pipe (25) and a first air outlet pipe (24) are arranged in the glue sealing cavity (23), and an aviation socket (54) arranged on the side surface of the glue sealing cavity (23) is used for supplying power to the air suction pump (22).

8. The dust concentration sensor according to claim 7, wherein a supporting seat (26) is arranged at the upper part of the glue sealing cavity (23), and a first fixing plate (27) is arranged at the bottom of the glue sealing cavity (23); the supporting seat (26) is used for fixing the air pump (22), and two ends of the first air suction pipe (25) and two ends of the first air outlet pipe (24) are respectively fixedly connected with the supporting seat (26) and the first fixing plate (27).

9. The dust concentration sensor according to claim 1, wherein the protective cover assembly (4) comprises a first protective cover (41) and a second protective cover (42), the second protective cover (42) is arranged inside the first protective cover (41), and a plurality of vent holes (43) are formed in the first protective cover (41) and the second protective cover (42); the second air outlet pipe (32) penetrates through the second shield (42) and is communicated with the vent hole (43) on the first shield (41).

10. The dust concentration sensor according to claim 1, wherein one end of the cover plate (12) in the length direction is hinged to the housing (11), a display window (111) is arranged on the housing (11), the display window (111) is fixed on the inner wall of the housing (11) through a bolt, and a sealing ring (112) is arranged between the display window (111) and the inner wall of the housing (11).