CN210136197U

CN210136197U - Portable methane detection alarm device for coal mine

Info

Publication number: CN210136197U
Application number: CN201920774825.7U
Authority: CN
Inventors: 杨永; 何友欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-10
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a portable methane detection alarm device for coal mines, which comprises an instrument shell, an instrument upper cover, an air suction flow monitor, an air outlet flow monitor, a telescopic pipe, a detection buzzer, a pipeline buzzer, an independent air chamber, an air suction module, an external connecting pipeline and an air outlet module, wherein the instrument upper cover is arranged on the upper side of the instrument shell, the detection buzzer is arranged on the upper left side inside the instrument shell, the air suction flow monitor is arranged on the upper right side of the instrument shell, the air suction module is connected to the lower side of the air suction flow monitor, the independent air chamber is connected to the lower side of the air suction module through the external connecting pipeline, the air outlet module is connected to the lower left side of the independent air chamber through the external connecting pipeline, the air outlet flow monitor is arranged on the lower side of the air outlet module, the telescopic pipe is connected to the lower side of, the problem of inaccurate detection data caused by pipeline blockage is effectively solved, and the detection accuracy of the device is improved.

Description

Portable methane detection alarm device for coal mine

Technical Field

The utility model relates to a methane detects technical field, specifically is a methane detection alarm device for portable coal mine.

Background

Methane is a poisonous and harmful gas, the content in the air reaches 5% -15.4%, it will explode when meeting naked fire, if the content reaches 25% -30%, it will cause headache, dizziness, lack of strength, if the content continues to increase, heavy people suffocate or even die, in mines and chemical enterprises, methane is the main poisonous and harmful gas, the methane detection alarm device of the prior art is not suitable for being used in the coal mine, the dust in the coal mine is great, ordinary methane detection device is after carrying on the long-time operation of induced drafting, the absorbed dust will be induced draft easily or the air-out pipeline blocks up, lead to the not enough of the volume of inhaled gas to carry out accurate detection, and if the air-suction pipeline or the air-out pipeline that block up is not found, then can lead to the data misleading user that the display screen shows.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable methane detection alarm device for coal mine, through setting up pipeline buzzer, the flow monitor and the air-out flow monitor that induced draft, the air mass flow in the detection pipeline, when the air mass flow in the pipeline is showing and is reducing or stop, utilizes pipeline buzzer to send out the police dispatch newspaper, and the suggestion user clears up the pipeline, avoids detecting data's inaccuracy, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a portable methane detection alarm device for coal mines comprises an instrument shell, an instrument upper cover, an air suction flow monitor, an air suction head connecting port, an air outlet flow monitor, a telescopic pipe, a detection buzzer, a pipeline buzzer, an independent air chamber, an air suction module, an external connecting pipeline, a power supply battery and an air outlet module, wherein the instrument upper cover is installed on the upper side of the instrument shell, the detection buzzer is arranged on the upper left side inside the instrument shell, the air suction flow monitor is arranged on the upper right side of the instrument shell, the upper side top end of the air suction flow monitor is connected with the air suction head connecting port, the lower side of the air suction flow monitor is connected with the air suction module, the lower side of the air suction module is connected with the independent air chamber through the external connecting pipeline, the air outlet module is connected with the air outlet module through the external connecting pipeline, and, the utility model discloses an instrument, including instrument shell, flexible pipe, pipeline buzzer, power battery, flexible pipe is connected to air-out flow monitor's downside, the inside right downside of instrument shell is equipped with pipeline buzzer, pipeline buzzer's upside sets up power battery.

The instrument upper cover is including detecting bee calling organ alarm mouth, display screen, adjustment switch group, switch, the air-out switch group that induced drafts, pipeline bee calling organ alarm mouth and singlechip, the upper left side setting of instrument upper cover detects bee calling organ alarm mouth, the downside that detects bee calling organ alarm mouth is equipped with the display screen, the downside of display screen is equipped with adjustment switch group, the downside the left side of adjustment switch group is equipped with switch, switch's the right is equipped with the air-out switch group that induced drafts, the downside of air-out switch group that induced drafts is equipped with pipeline bee calling organ alarm mouth, the reverse side of instrument upper cover is equipped with the singlechip.

The independent air chamber comprises an air chamber shell, an air chamber buffer space, an air inlet pipe, a methane detection module and an air outlet pipe, the air chamber buffer space is arranged inside the air chamber shell, the air inlet pipe is arranged inside the air chamber shell, the tail end of the air inlet pipe is connected with the methane detection module, and the air outlet pipe is connected with the lower side of the methane detection module.

Preferably, the air inlet pipe and the air outlet pipe are respectively spiral pipes.

Preferably, the single chip microcomputer is respectively connected with the air suction flow monitor, the air outlet flow monitor, the detection buzzer, the pipeline buzzer, the air suction module, the air outlet module, the power battery and the methane detection module.

Preferably, the outer side of the suction head connecting port is provided with an external thread.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses portable methane detection alarm device for coal mine sets up the flow monitor and the air-out flow monitor that induced draft in the outside of module and air-out module that induced draft, and the air flow that induced draft or go out in the tuber pipe way is detected through the flow monitor and the air-out flow monitor that induced draft, when air flow is showing to descend or cause the jam, send monitoring information to the singlechip by flow monitor or air-out flow monitor that induced draft to send to pipeline bee calling organ by the singlechip, send out the warning by pipeline bee calling organ and indicate the user to clear up the pipeline, the utility model discloses simple structure to effectively solved the unsafe problem of detection data that pipeline jam caused, improve device's detection accuracy.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the independent air chamber of the present invention;

fig. 4 is a control block diagram of the single chip microcomputer of the present invention.

In the figure: 1. an instrument housing; 2. an instrument upper cover; 21. detecting a buzzer alarm port; 22. a display screen; 23. a regulating switch group; 24. a power switch; 25. an air suction and air outlet switch group; 26. a pipeline buzzer alarm port; 27. a single chip microcomputer; 3. an air suction flow monitor; 4. a suction head connecting port; 5. an air outlet flow monitor; 6. a telescopic pipe; 7. detecting a buzzer; 8. a pipeline buzzer; 9. an independent air chamber; 91. an air chamber housing; 92. an air chamber buffer space; 93. an air inlet pipe; 94. a methane detection module; 95. an air outlet pipe; 10. an air suction module; 11. an external connecting pipeline; 12. a power supply battery; 13. an air outlet module.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 4, a portable methane detection alarm device for a coal mine comprises an instrument shell 1, an instrument upper cover 2, an air suction flow monitor 3, an air suction head connecting port 4, an air outlet flow monitor 5, a telescopic pipe 6, a detection buzzer 7, a pipeline buzzer 8, an independent air chamber 9, an air suction module 10, an external connecting pipeline 11, a power supply battery 12 and an air outlet module 13, wherein the instrument upper cover 2 is installed on the upper side of the instrument shell 1, the detection buzzer 7 is arranged on the left upper side of the inside of the instrument shell 1, the air suction flow monitor 3 is arranged on the right upper side of the instrument shell 1, the air suction flow monitor 3 is used for detecting the flow of inlet air, the upper side top end of the air suction flow monitor 3 is connected with the air suction head connecting port 4, external threads are arranged on the outer side of the air suction head connecting port 4, the external threads, detecting the methane content in a small space, the lower side of an air suction flow monitor 3 is connected with an air suction module 10, the air suction module 10 sucks external air and sends the external air into an independent air chamber 9, the lower side of the air suction module 10 is connected with the independent air chamber 9 through an external connecting pipeline 11, the methane content is detected through the independent air chamber 9, the left lower side of the independent air chamber 9 is connected with an air outlet module 13 through an external connecting pipeline 11, the air in the independent air chamber 9 is sent out by the air outlet module 13, an air outlet flow monitor 5 is installed on the lower side of the air outlet module 13, the air outlet flow monitor 5 monitors the air outlet flow and prevents the internal pipeline from being blocked, the lower side of the air outlet flow monitor 5 is connected with a telescopic pipe 6, a pipeline buzzer 8 is arranged on the right lower side inside an instrument shell 1, when a pipeline is blocked, the pipeline buzzer 8 sends an, the power supply battery 12 supplies power to the device.

Referring to fig. 2, the upper cover 2 includes a detection buzzer alarm port 21, a display screen 22, an adjustment switch group 23, a power switch 24, an air intake and air exhaust switch group 25, a pipeline buzzer alarm port 26 and a single chip microcomputer 27, the left upper side of the upper cover 2 is provided with the detection buzzer alarm port 21, the lower side of the detection buzzer alarm port 21 is provided with the display screen 22, the lower side of the display screen 22 is provided with the adjustment switch group 23, the left side of the lower side of the adjustment switch group 23 is provided with the power switch 24, the right side of the power switch 24 is provided with the air intake and air exhaust switch group 25, the lower side of the air intake and air exhaust switch group 25 is provided with the pipeline buzzer alarm port 26, the back side of the upper cover 2 is provided with the single chip microcomputer 27, the single chip microcomputer 27 is respectively connected with the air intake flow rate monitor 3, the air exhaust flow rate monitor 5, the detection buzzer 7, the pipeline buzzer 8, the air, the air suction and air supply of the device and the operation of the methane detection module 94 are controlled by the singlechip 27, and the monitoring data are transmitted to the display screen 22 for display.

Referring to fig. 3, the independent air chamber 9 includes an air chamber shell 91, an air chamber buffer space 92, an air inlet pipe 93, a methane detection module 94 and an air outlet pipe 95, the air chamber buffer space 92 and the air chamber buffer space 92 are disposed inside the air chamber shell 91, the air inlet pipe 93 is mounted inside the air chamber shell 91, the end of the air inlet pipe 93 is connected to the methane detection module 94, the methane detection module 94 detects the content of methane by using an electrochemical method, the air outlet pipe 95 is connected to the lower side of the methane detection module 94, and the air inlet pipe 93 and the air outlet pipe 95 are respectively spiral pipes.

The utility model discloses with the difference of current device: the methane detection alarm device in the prior art is not suitable for coal mines, dust in coal mines is large, after a common methane detection device performs long-time air suction operation, the absorbed dust easily blocks an air suction or air outlet pipeline, so that the amount of sucked gas is not enough for accurate detection, and if the blocked air suction pipeline or air outlet pipeline is not found, the data displayed by a display screen 22 can be misled to a user, the portable methane detection alarm device for coal mines is characterized in that an air suction flow monitor 3 and an air outlet flow monitor 5 are arranged outside an air suction module 10 and an air outlet module 13, the air flow in the air suction or air outlet pipeline is detected by the air suction flow monitor 3 and the air outlet flow monitor 5, when the air flow is obviously reduced or blocked, the air suction flow monitor 3 or the air outlet flow monitor 5 sends monitoring information to a single chip microcomputer 27, and is sent to the pipeline buzzer 8 by the singlechip 27, and the pipeline buzzer 8 sends out an alarm to prompt a user to clean the pipeline.

In summary, the following steps: the utility model discloses portable methane detection alarm device for coal mine sets up induced draft flow monitor 3 and air-out flow monitor 5 in the outside of module 10 and air-out module 13 that induced drafts, detects the air mass flow in induced draft or the air-out pipeline through induced draft flow monitor 3 and air-out flow monitor 5, when air mass flow is showing to descend or cause the jam, send monitoring information to singlechip 27 by induced draft flow monitor 3 or air-out flow monitor 5 to send to pipeline bee calling organ 8 by singlechip 27, send out alarm suggestion user by pipeline bee calling organ 8 and clear up the pipeline, the utility model discloses simple structure to effectively solved the inaccurate data problem of detection that the pipeline jam caused, improve the detection accuracy of device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable methane detection alarm device for coal mine, includes instrument shell (1), instrument upper cover (2), induced draft flow monitor (3), induced draft head connector (4), air-out flow monitor (5), flexible pipe (6), detect bee calling organ (7), pipeline bee calling organ (8), independent air chamber (9), induced draft module (10), outer connecting line (11), power battery (12) and air-out module (13), its characterized in that: the instrument comprises an instrument shell (1), an upper side mounting instrument cover (2) of the instrument shell (1), a detection buzzer (7) is arranged on the upper left side of the inner portion of the instrument shell (1), an air suction flow monitor (3) is arranged on the upper right side of the instrument shell (1), an air suction head connecting port (4) is connected to the top end of the upper side of the air suction flow monitor (3), an air suction module (10) is connected to the lower side of the air suction flow monitor (3), an independent air chamber (9) is connected to the lower side of the air suction module (10) through an external connecting pipeline (11), an air outlet module (13) is connected to the lower left side of the independent air chamber (9) through an external connecting pipeline (11), an air outlet flow monitor (5) is mounted to the lower side of the air outlet flow monitor (5), a lower side telescopic pipe connection pipe (6) of the air outlet flow monitor (5), a power supply battery (12) is arranged on the upper side of the pipeline buzzer (8);

the instrument upper cover (2) comprises a detection buzzer alarm opening (21), a display screen (22), an adjusting switch group (23), a power switch (24), an air suction and air outlet switch group (25), a pipeline buzzer alarm opening (26) and a single chip microcomputer (27), the detection buzzer alarm opening (21) is arranged on the upper left side of the instrument upper cover (2), the display screen (22) is arranged on the lower side of the detection buzzer alarm opening (21), the adjusting switch group (23) is arranged on the lower side of the display screen (22), the power switch (24) is arranged on the left side of the lower side of the adjusting switch group (23), the air suction and air outlet switch group (25) is arranged on the right side of the power switch (24), the pipeline buzzer alarm opening (26) is arranged on the lower side of the air suction and air outlet switch group (25), and the single chip microcomputer (27) is arranged on the instrument upper cover (2);

independent air chamber (9) are including air chamber shell (91), air chamber buffer space (92), intake pipe (93), methane detection module (94) and outlet duct (95), the inside of air chamber shell (91) is equipped with air chamber buffer space (92), air chamber shell (91) internally mounted intake pipe (93), the end-to-end connection methane detection module (94) of intake pipe (93), outlet duct (95) is connected to the downside of methane detection module (94).

2. The portable methane detection alarm device for the coal mine according to claim 1, wherein: the air inlet pipe (93) and the air outlet pipe (95) are respectively spiral pipes.

3. The portable methane detection alarm device for the coal mine according to claim 1, wherein: the single chip microcomputer (27) is respectively connected with the air suction flow monitor (3), the air outlet flow monitor (5), the detection buzzer (7), the pipeline buzzer (8), the air suction module (10), the air outlet module (13), the power supply battery (12) and the methane detection module (94).

4. The portable methane detection alarm device for the coal mine according to claim 1, wherein: and the outer side of the air suction head connecting port (4) is provided with an external thread.