CN212586410U

CN212586410U - Mining bidirectional wind speed sensor

Info

Publication number: CN212586410U
Application number: CN202021720417.2U
Authority: CN
Inventors: 梁凤雷; 宋奔腾; 胡友昌
Original assignee: Jiangsu Shine Technology Co ltd
Current assignee: Jiangsu Shine Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-02-23
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to the technical field of wind speed sensors, in particular to a mining bidirectional wind speed sensor, which comprises a control center and a detection component, wherein the control center comprises a shell and a cover plate and is arranged into a closed cavity structure; the detection assembly is connected with the main circuit board and comprises two air volume detectors which are arranged in parallel and are arranged in a reverse direction; the wind speed in the forward direction and the reverse direction can be detected, the practicability is better, the alarm component can give out an alarm at the first time when the wind speed does not reach the standard, and safety accidents are avoided; the control center is arranged to be a closed cavity structure, so that the sensor can adapt to the complex environment under a mine for a long time, and the electronic devices in the sensor are protected from being damaged by external environmental factors.

Description

Mining bidirectional wind speed sensor

Technical Field

The utility model relates to an air velocity transducer technical field especially relates to a mining two-way air velocity transducer.

Background

With the continuous expansion and extension of the underground mining range of the mine, the underground environment becomes more and more complex, and the requirements on the underground environment, especially air, are higher and higher. The normal breathing of workers needs to be met, and the accumulation of harmful gases needs to be reduced, so that ventilation and air exchange for underground air are important, and the air freshness of the underground air is guaranteed. Most of existing wind speed detection probes can only detect wind speed in a single-side direction and often cannot meet the requirement of wind speed detection in an underground coal mine environment.

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 mining bidirectional wind speed sensor, and make the sensor more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a mining bidirectional wind speed sensor is provided.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a mining bidirectional wind speed sensor comprises a control center and a detection assembly, wherein an adapter is arranged at the bottom of the control center, and the detection assembly is fixed at the bottom of the control center through the adapter;

the control center comprises a shell and a cover plate, a closed cavity structure is formed by the shell and the cover plate, a main circuit board, a display assembly and an alarm assembly are arranged in the control center, an aviation plug is arranged on the outer wall of the control center, and power is supplied to the control center through the aviation plug;

the detection assembly is connected with the main circuit board and comprises two air volume detectors which are arranged in parallel, and the two air volume detectors are arranged in a reverse direction.

Furthermore, the air volume detectors are provided with air exhaust channels, the air exhaust channels are perpendicular to the direction in which the two air volume detectors are arranged in parallel, the air exhaust channels are horn-shaped, and air inlets are formed in one ends of the air exhaust channels with narrower sections.

Furthermore, a resistance piece is arranged in the exhaust channel, and the resistance piece is arranged at the air inlet end of the exhaust channel and is arranged in the middle of the exhaust channel;

the resistance piece is of a cylinder structure with an isosceles triangle-shaped cross section, and an included angle formed by two isosceles sides of the resistance piece faces the wind.

Furthermore, a sound wave emitter and a sound wave receiver are arranged at the downstream of the resistance piece, and the sound wave emitter and the sound wave receiver are respectively and oppositely arranged on the inner walls at the two sides of the air exhaust channel;

and the sound wave receiver is connected with the signal processing circuit of the main circuit board.

Further, the alarm assembly is connected with the main circuit board and comprises a buzzer and an alarm lamp, and the buzzer and the alarm lamp are arranged on the shell.

Furthermore, a first mounting seat is arranged on the inner wall of the shell corresponding to the buzzer, the buzzer is fixed on the first mounting seat through a first pressing plate, and a first sealing ring is arranged between the buzzer and the first mounting seat;

the alarm lamp is arranged on the lamp shade, the lamp shade is fixed on the outer side of the shell, and a second sealing ring is arranged between the lamp shade and the shell.

Further, the display assembly includes a display window and a second pressure plate, and a display disposed between the display window and the second pressure plate;

the display assembly is characterized in that a second mounting seat matched with the display window is arranged on the inner wall of the shell, the display assembly is fixed on the second mounting seat through the second pressing plate, and a third sealing ring is arranged between the display window and the second mounting seat.

Further, a handle is arranged at the upper part of the control center and is hinged with a support arranged on the outer side of the shell.

Further, a fourth sealing ring is arranged between the shell and the cover plate.

The utility model has the advantages that: according to the Karman vortex street principle, a resistance part is arranged at the air inlet end of an exhaust channel, so that two rows of alternately appearing vortex rows are generated at the downstream of an air flow after the air flow passes through the resistance part, the generated vortex rows are in direct proportion to the flow velocity of fluid, and the current wind speed flowing through the exhaust channel is obtained after digital processing by receiving sound waves modulated by the vortex rows. The detection assembly is provided with two reverse air volume detectors, so that the wind speeds in the forward direction and the reverse direction can be detected, the practicability is higher, the alarm assembly can give out an alarm at the first time when the wind speeds do not reach the standard, and safety accidents are avoided; the control center is arranged to be a closed cavity structure, so that the sensor can adapt to the complex environment under a mine for a long time, and the electronic devices in the sensor are protected from being damaged by external environmental factors.

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 bidirectional wind speed sensor in an embodiment of the present invention;

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

fig. 3 is a schematic structural diagram of a display module according to an embodiment of the present invention;

FIG. 4 is a partial enlarged view of the buzzer in the embodiment of the present invention;

FIG. 5 is a partial enlarged view of an alarm lamp according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram 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; 13. an adapter; 14. a main circuit board; 15. an aviation plug; 16. a handle; 17. a fourth seal ring; 18. a first mounting seat; 19. a second mounting seat; 2. a display component; 21. a display window; 22. a display; 23. a second platen; 24. a third seal ring; 3. an alarm component; 31. a buzzer; 32. a first platen; 33. a first seal ring; 34. an alarm lamp; 35. a lamp shade; 36. a second seal ring; 4. a detection component; 41. an air volume detector; 42. an air exhaust channel; 43. a resistance member; 44. an acoustic wave emitter; 45. an acoustic receiver.

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 denote a unique embodiment.

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 mining bidirectional wind speed sensor shown in fig. 1 and 2 comprises a control center 1 and a detection assembly 4, wherein an adapter 13 is arranged at the bottom of the control center 1, and the detection assembly 4 is fixed at the bottom of the control center 1 through the adapter 13; the control center 1 comprises a shell 11 and a cover plate 12, and a fourth sealing ring 17 is arranged between the shell 11 and the cover plate 12; a closed cavity structure is formed by the shell 11 and the cover plate 12, the main circuit board 14, the display component 2 and the alarm component 3 are arranged in the control center 1, the aviation plug 15 is arranged on the outer wall of the control center 1, and power is supplied to the control center 1 through the aviation plug 15; the detection component 4 is connected with the main circuit board 14, and comprises two air volume detectors 41 arranged in parallel, and the two air volume detectors 41 are arranged in opposite directions. A handle 16 is arranged at the upper part of the control centre 1, the handle 16 being hinged to a support arranged outside the housing 11. The detection assembly is provided with two reverse air volume detectors, so that the wind speeds in a forward direction and a reverse direction can be detected, and the practicability is higher.

In the specific implementation process, the air volume detectors 41 are provided with air exhaust channels 42, the air exhaust channels 42 are arranged vertically to the direction in which the two air volume detectors 41 are arranged in parallel, the air exhaust channels 42 are arranged in a horn shape, and the air inlets are arranged at one ends of the air exhaust channels 42 with narrower sections; a resistance piece 43 is arranged in the air exhaust channel 42, and the resistance piece 43 is arranged at the air inlet end of the air exhaust channel 42 and is arranged in the middle of the air exhaust channel 42; wherein, the resistance 43 is a cylinder structure with an isosceles triangle cross section, and the included angle of the two isosceles sides of the resistance 43 is arranged facing the wind. According to the Karman vortex street principle, a resistance piece is arranged at the air inlet end of the air exhaust channel, so that two rows of alternately appearing vortex rows are generated at the downstream of the resistance piece after air flow passes through the resistance piece.

An acoustic wave emitter 44 and an acoustic wave receiver 45 are arranged at the downstream of the resistance piece 43, and the acoustic wave emitter 44 and the acoustic wave receiver 45 are respectively and oppositely arranged on the inner walls of the two sides of the exhaust channel 42; wherein the acoustic receiver 45 is connected to the signal processing circuit of the main circuit board 14. The airflow generates two alternate vortex rows at the downstream of the resistance part after passing through the resistance part, the generated vortex rows are in direct proportion to the flow velocity of the fluid, and the current wind speed flowing through the exhaust channel is obtained after receiving the sound wave modulated by the vortex rows and carrying out digital processing.

In the present embodiment, the alarm assembly 3 is connected to the main circuit board 14, and includes a buzzer 31 and an alarm lamp 34, both of the buzzer 31 and the alarm lamp 34 are disposed on the housing 11; a first mounting seat 18 is arranged on the inner wall of the shell 11 corresponding to the buzzer 31, the buzzer 31 is fixed on the first mounting seat 18 through a first pressing plate 32, and a first sealing ring 33 is arranged between the buzzer 31 and the first mounting seat 18; the warning lamp 34 is provided on a globe 35, fixed to the outside of the housing 11 via the globe 35, and a second gasket 36 is provided between the globe 35 and the housing 11.

In the present embodiment, the display module 2 includes a display window 21 and a second pressing plate 23, and a display 22 disposed between the display window 21 and the second pressing plate 23; a second mounting base 19 adapted to the display window 21 is provided on the inner wall of the housing 11, the display unit 2 is fixed to the second mounting base 19 by a second pressing plate 23, and a third seal ring 24 is provided between the display window 21 and the second mounting base 19. The alarm component can give out an alarm at the first time when the wind speed does not meet the standard, so that safety accidents are avoided; the control center is arranged to be a closed cavity structure, so that the sensor can adapt to the complex environment under a mine for a long time, and the electronic devices in the sensor are protected from being damaged by external environmental factors.

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. The mining bidirectional wind speed sensor is characterized by comprising a control center (1) and a detection assembly (4), wherein an adapter (13) is arranged at the bottom of the control center (1), and the detection assembly (4) is fixed at the bottom of the control center (1) through the adapter (13);

the control center (1) comprises a shell (11) and a cover plate (12), a closed cavity structure is formed by the shell (11) and the cover plate (12), a main circuit board (14), a display assembly (2) and an alarm assembly (3) are arranged in the control center (1), an aviation plug (15) is arranged on the outer wall of the control center (1), and power is supplied to the control center (1) through the aviation plug (15);

the detection assembly (4) is connected with the main circuit board (14) and comprises two air volume detectors (41) which are arranged in parallel, and the two air volume detectors (41) are arranged in a reverse direction.

2. The mining bidirectional wind speed sensor according to claim 1, wherein the wind volume detectors (41) are provided with exhaust channels (42), the exhaust channels (42) are perpendicular to the direction in which the two wind volume detectors (41) are arranged in parallel, the exhaust channels (42) are arranged in a horn shape, and the wind inlets are arranged at one ends of the exhaust channels (42) with narrower sections.

3. The mining bidirectional wind speed sensor according to claim 2, wherein a resistance member (43) is arranged in the exhaust channel (42), the resistance member (43) is arranged at an air inlet end of the exhaust channel (42) and is arranged at a middle position of the exhaust channel (42); the section of the resistance piece (43) is of an isosceles triangle cylinder structure, and the included angle between two isosceles sides of the resistance piece (43) faces the wind.

4. The mining bidirectional wind speed sensor according to claim 3, characterized in that a sound wave emitter (44) and a sound wave receiver (45) are arranged downstream of the resistance member (43), and the sound wave emitter (44) and the sound wave receiver (45) are respectively oppositely arranged on the inner walls of the two sides of the air exhaust channel (42); wherein the sound wave receiver (45) is connected with the signal processing circuit of the main circuit board (14).

5. The mining bidirectional wind speed sensor according to claim 1, characterized in that the alarm component (3) is connected with the main circuit board (14) and comprises a buzzer (31) and an alarm lamp (34), and the buzzer (31) and the alarm lamp (34) are both arranged on the housing (11).

6. The mining bidirectional wind speed sensor according to claim 5, characterized in that a first mounting seat (18) is arranged on the inner wall of the housing (11) corresponding to the buzzer (31), the buzzer (31) is fixed on the first mounting seat (18) through a first pressing plate (32), and a first sealing ring (33) is arranged between the buzzer (31) and the first mounting seat (18); alarm lamp (34) set up on lamp shade (35), through lamp shade (35) are fixed casing (11) outside lamp shade (35) with be provided with second sealing washer (36) between casing (11).

7. The mining bidirectional wind speed sensor according to claim 1, characterized in that the display assembly (2) comprises a display window (21) and a second pressure plate (23), and a display (22) disposed between the display window (21) and the second pressure plate (23); the display assembly is characterized in that a second mounting seat (19) matched with the display window (21) is arranged on the inner wall of the shell (11), the display assembly (2) is fixed on the second mounting seat (19) through a second pressing plate (23), and a third sealing ring (24) is arranged between the display window (21) and the second mounting seat (19).

8. The mining bidirectional wind speed sensor according to claim 1, characterized in that a handle (16) is provided at an upper portion of the control center (1), the handle (16) being hinged with a support provided outside the housing (11).

9. The mining bidirectional wind speed sensor according to claim 1, characterized in that a fourth sealing ring (17) is provided between the housing (11) and the cover plate (12).