Intelligent monitoring device for coal mine main ventilator

Abstract

The utility model relates to an intelligent monitoring device for a coal mine main ventilator. The intelligent monitoring device comprises a main ventilator module, a measuring module and a monitoring main body, the monitoring main body comprises a shell, and a communication coupler module and a central processing unit which are arranged in the shell; wherein the measuring module comprises measuring elements and an analog quantity acquisition unit, the measuring elements are connected with the analog quantity acquisition unit, and the analog quantity acquisition unit is connected with the communication coupler module; the main ventilator module comprises various types of ventilators and a fan signal acquisition unit, each ventilator is connected with the fan signal acquisition unit, and the fan signal acquisition unit is connected with the communication coupler module; the communication coupler module is connected with the central processing unit, and the central processing unit is used for judging whether the data sent by the analog quantity acquisition unit is abnormal or not based on the data acquired by the fan signal acquisition unit. The system can intelligently monitor the coal mine main ventilator, and is wide in application range and suitable for large-scale popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilator monitoring, in particular to an intelligent monitoring device for a main ventilator in a coal mine. Background Art

[0002] The main ventilation fan is the most important ventilation equipment in a coal mine. Its reliable operation is essential for ensuring the safe and normal operation of coal mining operations. Its primary task is to deliver fresh air underground and control the concentration of harmful gases, methane, and dust. Failure of the ventilation system poses a serious safety hazard to underground production operations.

[0003] However, the types of fan equipment used in various coal mines are diverse, and there is an urgent need to provide an intelligent monitoring device for coal mine main ventilation fans to realize the monitoring and supervision functions of multiple fans, so as to effectively discover problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an intelligent monitoring device for a main ventilation fan in a coal mine.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is:

[0006] An intelligent monitoring device for a main ventilation fan in a coal mine, comprising: a main ventilation fan module, a measurement module and a monitoring body; wherein the monitoring body comprises: a housing, and a communication coupler module and a central processing unit arranged inside the housing;

[0007] Wherein, the measuring module includes a measuring element and an analog quantity acquisition unit, and the measuring elements are connected to the analog quantity acquisition unit, and the analog quantity acquisition unit is connected to the communication coupler module;

[0008] The main fan module includes various types of fans and fan signal acquisition units, and each of the fans is connected to the fan signal acquisition unit, and the fan signal acquisition unit is connected to the communication coupler module;

[0009] The communication coupler module is connected to the central processing unit, and the central processing unit is used to determine whether the data sent by the analog quantity acquisition unit is abnormal based on the data collected by the fan signal acquisition unit.

[0010] As an implementation mode of the present invention, the measuring elements are thermocouples and pressure transmitters provided in a lubricating oil station.

[0011] As an implementation manner of the present utility model, the communication coupler modules are connected to the analog quantity acquisition unit and the fan signal acquisition unit via an I / O signal interface.

[0012] As an embodiment of the present invention, the monitoring body further includes: an alarm unit arranged inside the shell, the alarm unit is connected to the central processing unit, and is used to issue an alarm when receiving an alarm instruction sent by the central processing unit.

[0013] As an implementation manner of the present utility model, the alarm unit is an alarm signal light or a buzzer.

[0014] As an implementation manner of the present utility model, a display screen connected to the central processing unit is further provided on the front side of the housing.

[0015] The beneficial effects of adopting the above technical solution are:

[0016] The embodiment of the utility model provides an intelligent monitoring device for the main ventilation fan of a coal mine, which is provided with a main ventilation fan module, a measuring module and a monitoring body. The main ventilation fan module includes various types of ventilation fans and fan signal acquisition units, and the measuring module includes a measuring element and an analog quantity acquisition unit, so that the central processing unit can obtain various types of main ventilation fan operation data, and can obtain the normal range corresponding to the current operating point according to the system preset program, thereby performing intelligent monitoring of the main ventilation fan of the coal mine. It has a wide range of applications and is suitable for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a connection diagram of an intelligent monitoring device for a main ventilation fan in a coal mine provided by an embodiment of the utility model.

[0018] Figure 2 This is a connection diagram of a communication coupler module provided by an embodiment of the present utility model.

[0019] Among them: 1 main fan module, 101 fan, 102 fan signal acquisition unit, 2 measurement module, 201 measurement element, 202 analog acquisition unit, 3 monitoring body, 301 shell, 302 communication coupler module, 303 central processing unit, 304 alarm unit. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described clearly and completely below in conjunction with specific embodiments.

[0021] The present invention provides an intelligent monitoring device for main ventilation fans in coal mines. Figure 1 As shown, it includes: a main fan module 1, a measurement module 2 and a monitoring body 3; and the monitoring body 3 includes: a shell 301, and a communication coupler module 302 and a central processor 303 arranged inside the shell 301;

[0022] The measuring module 2 includes a measuring element 201 and an analog quantity acquisition unit 202, and the measuring element 201 is connected to the analog quantity acquisition unit 202, and the analog quantity acquisition unit 202 is connected to the communication coupler module 302; the measuring element 201 is a thermocouple and a pressure transmitter provided in the lubricating oil station;

[0023] The main fan module 1 includes multiple types of fans 101 and fan signal acquisition units 102, and each of the fans is connected to the fan signal acquisition unit 102, and the fan signal acquisition unit 102 is connected to the communication coupler module 302;

[0024] The communication coupler module 302 is connected to the central processing unit 303 , and the central processing unit 303 is used to determine whether the data sent by the analog quantity acquisition unit 202 is abnormal based on the data collected by the fan signal acquisition unit 102 .

[0025] Among them, such as Figure 2 As shown, the communication coupler module 302 is connected to the analog quantity acquisition unit 202 and the fan signal acquisition unit 102 via an I / O signal interface (wherein X1:58-X1:78 and X1:84-X1:104 represent connection terminals).

[0026] The types of fans in the present invention include: axial flow fans, counter-rotating fans and centrifugal fans. The fan signal acquisition unit 102 can obtain the operating data of each fan, and the operating data include: fan start and stop signal, positive and negative wind signal, surge signal, water pump operation signal, damper action; as well as fan inlet static pressure, dynamic pressure, total pressure, wind speed, air volume, 2 groups of fan vibration speed signals in horizontal and vertical directions, 2 groups of motor vibration speed signals in horizontal and vertical directions, motor winding temperature and front and rear bearing temperatures, fan bearing temperature, oil pressure; fan operating frequency, operating voltage, current, active power, and power factor.

[0027] After obtaining the above data sent by the data collected by the fan signal acquisition unit 102, the central processor 303 can obtain the normal temperature range and normal pressure range of the lubricating oil station corresponding to the current operating point through a preset degree, and then judge whether the data is abnormal based on whether the data sent by the analog acquisition unit 202 is within the above range.

[0028] Of course, the monitoring body 3 also includes: an alarm unit 304 arranged inside the housing 301, the alarm unit 304 is connected to the central processor 303, and is used to alarm when receiving an alarm instruction sent by the central processor 303. The alarm unit 304 is an alarm signal light and / or a buzzer; further, when an abnormal situation is found, a sound broadcast and a light alarm prompt can be issued in time, and an interlocking delay protection shutdown can be achieved as required;

[0029] In one possible implementation, the front side of the shell 301 is also provided with a display screen connected to the central processor 303. The display screen can display the alarm content and the data collected by the fan signal acquisition unit 102 for staff to view; the monitoring body can also provide real-time alarm information display and historical alarm information storage, and automatically record alarm information (the specific time of alarm occurrence, confirmation, and disappearance), so that staff can check, browse and print through the historical alarm window.

[0030] Of course, in order to facilitate heat dissipation, an exhaust fan is provided on the top of the interior of the housing 301 and a plurality of heat dissipation holes are provided on the rear side, which is not specifically limited in the embodiment of the present utility model.

[0031] The intelligent monitoring device for the main ventilation fan of a coal mine provided by the embodiment of the present utility model is provided with a main ventilation fan module 1, a measuring module 2 and a monitoring body 3, and the main ventilation fan module 1 includes various types of ventilation fans and a fan signal acquisition unit 102, and the measuring module 2 includes a measuring element 201 and an analog quantity acquisition unit 202, so that the central processing unit 303 can obtain various types of main ventilation fan operation data, and can obtain the normal range corresponding to the current operating point according to the system preset program, thereby performing intelligent monitoring of the main ventilation fan of the coal mine, and has a wide range of applications and is suitable for large-scale promotion.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An intelligent monitoring device for main ventilation fans in coal mines, characterized in that: It includes: A main fan module (1), a measuring module (2) and a monitoring body (3); the monitoring body (3) comprises: a housing (301), and a communication coupler module (302) and a central processing unit (303) arranged inside the housing (301); The measuring module (2) includes a measuring element (201) and an analog quantity acquisition unit (202), and the measuring element (201) is connected to the analog quantity acquisition unit (202), and the analog quantity acquisition unit (202) is connected to the communication coupler module (302); The main fan module (1) includes multiple types of fans (101) and fan signal acquisition units (102), and each of the fans is connected to the fan signal acquisition unit (102), and the fan signal acquisition unit (102) is connected to the communication coupler module (302); The communication coupler module (302) is connected to the central processing unit (303), and the central processing unit (303) is used to determine whether the data sent by the analog quantity acquisition unit (202) is abnormal based on the data collected by the fan signal acquisition unit (102).

2. The intelligent monitoring device for main ventilation fan of a coal mine according to claim 1, characterized in that: The measuring element (201) is a thermocouple and a pressure transmitter provided in a lubricating oil station.

3. The intelligent monitoring device for main ventilation fan of a coal mine according to claim 1, characterized in that: The communication coupler modules (302) are connected to the analog quantity acquisition unit (202) and the fan signal acquisition unit (102) via an I / O signal interface.

4. The intelligent monitoring device for main ventilation fan in coal mines according to claim 1, characterized in that: The monitoring body (3) further comprises an alarm unit (304) arranged inside the housing (301), the alarm unit (304) being connected to the central processing unit (303) and configured to generate an alarm upon receiving an alarm instruction sent by the central processing unit (303).

5. The intelligent monitoring device for main ventilation fan of a coal mine according to claim 4, characterized in that: The alarm unit (304) is an alarm signal light and / or a buzzer.

6. The intelligent monitoring device for main ventilation fan in coal mines according to claim 1, characterized in that: The front side of the housing (301) is also provided with a display screen connected to the central processing unit (303).

Images