Mine main fan ventilation system

Abstract

The utility model provides a mine main fan ventilation system. The mine main fan ventilation system comprises a ventilation pipeline and a plurality of fans, and the ventilation pipeline comprises a main pipeline and branch pipelines; the plurality of fans are arranged in the branch pipelines and are all connected with a fan frequency converter; the multiple gates are arranged on the ventilation pipeline and used for achieving connection and disconnection of the ventilation pipeline; the fans are electrically connected with a fan controller, the fan frequency converters are electrically connected with a fan frequency converter controller, and the gates are electrically connected with a gate controller. The plurality of fan controllers, the plurality of fan frequency converter controllers and the plurality of gate controllers are electrically connected with a PLC (Programmable Logic Controller); and the PLC is electrically connected with an upper computer. The mine main fan ventilation system capable of achieving remote control is composed of the ventilation pipeline, the multiple fans, the multiple gates, the controller, the upper computer and the like, and powerful guarantee is provided for safety production of a mine.

Description

Technical Field

[0001] The present application relates to the technical field of mine ventilation control, and more specifically, to a mine main fan ventilation system. Background Art

[0002] Mine ventilation systems are used to ventilate mines, allowing air to flow through underground tunnels to provide a safe and healthy working environment in mines.

[0003] In actual applications, most mines use mechanical ventilation, but due to environmental restrictions within the mine, manual control of the ventilation device on site will cause a lot of inconvenience. Utility Model Content

[0004] The utility model aims to provide a mine main fan ventilation system, which uses a control system composed of a fan, a fan frequency converter, a gate, a control box, a controller, a host computer, etc. to solve the problem that manual control of the ventilation device on site in the background technology causes many inconveniences.

[0005] In order to achieve the above-mentioned objectives, the present application provides a mine main fan ventilation system, which includes: a ventilation duct, a plurality of fans, the ventilation duct includes a main duct and a branch duct; a plurality of the fans are arranged in the branch duct, and a plurality of the fans are connected to a fan frequency converter; it also includes a plurality of gates arranged on the ventilation duct for realizing the opening and closing of the ventilation duct; a plurality of the fans are electrically connected to a fan controller, a plurality of the fan frequency converters are electrically connected to the fan frequency converter controller, and a plurality of the gates are electrically connected to the gate controller; a plurality of the fan controllers, a plurality of the fan frequency converter controllers, and a plurality of the gate controllers are electrically connected to a PLC controller, and the PLC controller is electrically connected to a host computer.

[0006] The technical solution of the present application forms a mine main fan ventilation system that can be remotely controlled through ventilation ducts, several fans, several gates, a control box, a fan inverter, a controller, a host computer, etc. Through this system, not only can the ventilation needs of different areas of the mine be met, but also the operating efficiency and safety of the ventilation system can be improved, providing a strong guarantee for the safe production of the mine.

[0007] As some optional schemes of the above-mentioned gate of the present application, the type of the gate is any one of a mesh gate, an air gate, and a butterfly gate.

[0008] The mesh gate is suitable for scenes where the ventilation volume or wind direction needs to be adjusted frequently, and can quickly respond to changes in ventilation needs. The air gate is mainly used to connect or isolate the ventilation duct from the external environment. The butterfly gate has good sealing and adjustment performance.

[0009] As an improvement to the above-mentioned mine main fan ventilation system of the present application, at least two fans are arranged in each of the branch pipes.

[0010] Setting up multiple fans in the branch duct can form a redundant configuration. When one of the fans fails, the other fan can still operate normally, thus ensuring the continuity and stability of the ventilation system.

[0011] As an improvement scheme of the above-mentioned mine main fan ventilation system in the present application, each of the fan controller, fan inverter controller and gate controller is provided with a one-button start and stop device.

[0012] In an emergency, the one-button start-stop device can quickly cut off the power supply of the equipment or start the emergency ventilation mode to ensure ventilation safety in the mine, which is of great significance for responding to emergencies and reducing casualties and property losses.

[0013] As an improved solution of the one-button start-stop device in the above-mentioned mine main fan ventilation system of the present application, the one-button start-stop device arranged in each of the fan controller, fan inverter controller and gate controller is connected to the PLC controller.

[0014] The one-button start and stop devices on each fan controller, fan inverter controller and gate controller are connected to the controller. This design further enhances the operability of remote control of the mine main fan ventilation system.

[0015] As an improvement to the above-mentioned fan of the present application, temperature sensors are provided at the front shaft of the motor, the rear shaft of the motor, and the motor rotor of each of the fans.

[0016] The temperature data of the motor's front shaft, rear shaft and rotor can reflect the motor's operating status and potential faults. By analyzing these temperature data, the motor's wear, lubrication status and other abnormal conditions can be predicted, so that maintenance and care can be carried out in advance to avoid failures.

[0017] Furthermore, the temperature sensors arranged at the front shaft of the motor, the rear shaft of the motor, and the motor rotor of each fan are connected to the fan controller.

[0018] Since the fan controller is connected to the host computer, the operator can remotely monitor the temperature data of the motor through the host computer in the control center.

[0019] Furthermore, the mine main fan ventilation system of the present application also includes a fan control cabinet, and several of the fan controllers and several of the fan inverter controllers are arranged in the fan control cabinet.

[0020] Furthermore, the mine main fan ventilation system of the present application also includes a gate control cabinet, and a plurality of the gate controllers are arranged in the gate control cabinet.

[0021] The beneficial effects of this application are:

[0022] The technical solution of the present application forms a mine main fan ventilation system that can be remotely controlled through ventilation ducts, several fans, several gates, a control box, a fan inverter, a controller, a host computer, etc. Through this system, not only can the ventilation needs of different areas of the mine be met, but also the operating efficiency and safety of the ventilation system can be improved, providing a strong guarantee for the safe production of the mine.

[0023] In addition to the technical problems solved by the present invention, the technical features that constitute the technical solution, and the advantages brought by the technical features of the technical solution described above, other technical problems that can be solved by the present invention, other technical features included in the technical solution, and the advantages brought by these technical features will be further described in detail in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main fan ventilation system of the mine in this application

[0025] Figure 2 This is a schematic diagram of the control system of the main fan ventilation system of the mine in this application

[0026] In the figure:

[0027] 1. Ventilation duct; 11. Main duct; 12. Branch duct;

[0028] 2. Fan; 21. First fan; 22. Second fan; 23. Third fan; 24. Fourth fan;

[0029] 3. Fan inverter; 31. First fan inverter; 32. Second fan inverter; 33. Third fan inverter; 34. Fourth fan inverter;

[0030] 4, gate; 41, first gate; 42, second gate; 43, third gate; 44, fourth gate; 45, fifth gate;

[0031] 5. Fan controller; 50. Fan control cabinet; 51. First fan controller; 52. Second fan controller; 53. Third fan controller; 54. Fourth fan controller;

[0032] 6. Fan inverter controller; 61. First fan inverter controller; 62. Second fan inverter controller; 63. Third fan inverter controller; 64. Fourth fan inverter controller;

[0033] 7. Gate controller; 70. Gate control cabinet; 71. First gate controller; 72. Second gate controller; 73. Third gate controller; 74. Fourth gate controller; 75. Fifth gate controller;

[0034] 8. PLC controller;

[0035] 9. Host computer. DETAILED DESCRIPTION

[0036] The following is a detailed description of the embodiments of the technical solution of the present application in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0037] like Figure 1 An embodiment of a mine main fan ventilation system of the present application is shown, and the mine main fan ventilation system includes: a ventilation duct 1, a fan 2, and a plurality of gates 4; the ventilation duct 1 includes a main duct 11 and a branch duct 12; a plurality of fans 2 are arranged in the branch duct 12, and the plurality of fans 2 are connected to a fan frequency converter 3; a plurality of gates 4 are arranged on the ventilation duct 1 for realizing the opening and closing of the ventilation duct; the plurality of fans 2 are electrically connected to a fan controller 5, the plurality of fan frequency converters 3 are electrically connected to a fan frequency converter controller 6, and the plurality of gates 4 are electrically connected to a gate controller 7; the plurality of fan controllers, the plurality of fan frequency converter controllers, and the plurality of gate controllers are electrically connected to a PLC controller 8, and the PLC controller 8 is electrically connected to a host computer 9.

[0038] In an embodiment of the present application, the ventilation duct 1 is the basic structure of the ventilation system, which is used to guide the wind flow. The ventilation duct 1 includes a main duct 11 and a branch duct 12. The main duct 1 is the main ventilation channel, and the branch duct 12 branches out from the main duct 1. The fan 2 is the power source of the ventilation system, which is used to generate wind flow. These fans 2 are arranged in the branch duct 12, and the air volume and wind speed can be adjusted as needed. The fan 2 is speed-controlled by the fan inverter 3 to meet the ventilation needs of different areas. The fan inverter 3 is used to control the rotation speed of the fan 2. By adjusting the output frequency of the inverter 3, the rotation speed of the fan 2 can be changed, thereby achieving precise control of the air volume and wind speed. The gate 4 is arranged on the ventilation duct 1 to realize the on and off of the ventilation duct. By controlling the switch state of the gate 1, the direction and flow of the wind flow can be adjusted to meet the ventilation needs of different areas of the mine. The control unit includes a fan controller 5, a fan inverter controller 6 and a gate controller 7, which are respectively used to control the operation of the fan 2, the fan inverter 3 and the gate 4. They receive instructions from the PLC controller 8 and control the operating status of the corresponding equipment accordingly. The PLC controller 8 is the core of the entire ventilation system. It is responsible for receiving instructions from the host computer 9 and controlling the operation of each controller according to these instructions. Through the PLC controller 8, centralized control and monitoring of the entire ventilation system can be achieved. The host computer 9 is the monitoring center of the ventilation system, which is used to display the operating status of the ventilation system, receive instructions from the operator, and send these instructions to the controller. Through the host computer, the operator can easily monitor and manage the entire ventilation system.

[0039] like Figures 1-2 In one embodiment of the present application, a first fan 21, a second fan 22, a third fan 23, and a fourth fan 24 are arranged in the branch pipe 12, and the first fan 21, the second fan 22, the third fan 23, and the fourth fan 24 are respectively connected to a first fan controller 51, a second fan controller 52, a third fan controller 53, and a fourth fan controller 54; the first fan 21, the second fan 22, the third fan 23, and the fourth fan 24 are also respectively connected to a first fan inverter controller 61, a second fan inverter controller 62, a third fan inverter controller 63, and a fourth fan inverter controller 64, and several of the fan controllers 5 and several of the fan inverter controllers 6 are arranged in a fan control cabinet 50. In one embodiment of the present application, a first gate 41 is provided on the main pipeline 11, and two gates are provided on both sides of the fan in the branch pipeline 12. The valves provided on the branch pipeline of the present application are specifically: a second gate 42, a third gate 43, a fourth gate 44, and a fifth gate 45.

[0040] The technical solution of the present application forms a mine main fan ventilation system that can be remotely controlled through ventilation ducts 1, a number of fans 2, a number of gates 4, a controller, a host computer 9, etc. Through this system, not only can the ventilation needs of different areas of the mine be met, but also the operating efficiency and safety of the ventilation system can be improved, providing a strong guarantee for the safe production of the mine.

[0041] Furthermore, in an embodiment of the present application, the type of the gate 4 is any one of a mesh gate, an air gate, and a butterfly gate.

[0042] The characteristics of the hanging mesh gate are simple structure and easy operation. It is usually composed of a gate frame and a hangable mesh, and the ventilation duct is opened and closed by hanging or lowering the mesh. The hanging mesh gate is suitable for scenes where the ventilation volume or wind direction needs to be adjusted frequently, and can quickly respond to changes in ventilation needs. The air gate is mainly used to connect or isolate the ventilation duct from the external environment. When it is necessary to ventilate the mine or discharge harmful gases urgently, the air gate can be opened to allow the wind flow to be directly discharged into the atmosphere. The butterfly gate is known for its good sealing and adjustment performance. It uses a butterfly plate as the opening and closing part, and the ventilation duct is opened and closed by rotating the butterfly plate. The butterfly gate can not only accurately control the ventilation volume, but also provide a good sealing effect when closed to prevent wind flow leakage. According to the specific ventilation needs and layout characteristics of the mine, the appropriate gate type can be selected. For example, mesh gates can be used in areas where frequent ventilation adjustments are required; air gates can be used in scenarios where ventilation with the outside environment is required; and butterfly gates can be selected in areas where precise control of ventilation and high sealing performance requirements are required. By rationally selecting and configuring these gates, effective control and optimization of the mine ventilation system can be achieved.

[0043] Furthermore, if Figure 1 In an optional embodiment of the present application, at least two fans are arranged in each of the branch pipes 12 .

[0044] Setting up multiple fans in the branch pipe can form a redundant configuration. When one of the fans fails, the other fan can still operate normally, thus ensuring the continuity and stability of the ventilation system. This is crucial for mine ventilation, as it can avoid ventilation interruptions caused by fan failures and ensure air circulation and operational safety in the mine. By setting up multiple fans, the number of fans or the speed of operation can be flexibly adjusted according to the ventilation needs of different areas in the mine. In this way, more precise control of the air volume can be achieved to meet the different requirements of ventilation volume in different areas. Setting up multiple fans in the branch pipe can optimize the operating efficiency of the fans. By reasonably allocating the load of the fans, the overload operation of a single fan can be avoided, and energy consumption and maintenance costs can be reduced. At the same time, the coordinated work of multiple fans can also improve the efficiency of the entire ventilation system and ensure smoother air circulation in the mine.

[0045] Furthermore, in an optional embodiment of the present application, each of the fan controller 5, the fan inverter controller 6, and the gate controller 7 is provided with a one-button start-stop device.

[0046] The one-button start-stop device enables operators to quickly and easily start or stop the operation of fans, fan inverters and gates, which greatly simplifies the operation process, reduces the number of operation steps and improves work efficiency. In an emergency, the one-button start-stop device can quickly cut off the power supply of the equipment or start the emergency ventilation mode to ensure ventilation safety in the mine.

[0047] Furthermore, in an optional embodiment of the present application, a one-button start / stop device provided in each of the fan controller 5 , the fan inverter controller 6 , and the gate controller 7 is connected to the PLC controller 8 .

[0048] By connecting to the controller, the one-button start-stop device realizes centralized control of the entire ventilation system. Operators can use the controller in the control center to uniformly start and stop each control box and the fans, fan inverters and gates they control, without having to go to each control box for manual operation, which greatly improves work efficiency. The controller can receive signals from each one-button start-stop device in real time to understand the operating status of each device. Once a device starts or stops, the controller can immediately obtain relevant information and make corresponding records and feedback. This helps operators to timely grasp the overall operation of the ventilation system and make necessary adjustments and optimizations. In an emergency, operators can quickly start or stop key equipment through the controller to ensure the safe operation of the ventilation system. At the same time, if a one-button start-stop device fails, the controller can also detect and issue an alarm in time to remind the operator to deal with it, so as to avoid the expansion of the failure and affect the normal operation of the entire ventilation system.

[0049] Temperature sensors are arranged at the front shaft of the motor, the rear shaft of the motor and the motor rotor of each fan.

[0050] The temperature sensor can monitor the temperature changes of key parts of the motor in real time. Once the temperature exceeds the preset safety threshold, the sensor will immediately issue an alarm to remind the operator to take timely measures to prevent equipment damage or safety accidents caused by motor overheating.

[0051] The temperature sensors arranged at the front shaft of the motor, the rear shaft of the motor and the motor rotor of each fan are connected to the fan controller.

[0052] By connecting the temperature sensor to the fan controller, the temperature data of key parts of the motor can be obtained in real time. The control box can process and analyze this data to provide operators with accurate information on the motor's operating status.

[0053] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0054] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "set", "provided with", "connected", "installed" and the like should be understood in a broad sense, for example, they can be fixedly connected, detachably connected, or integrated; they can be directly connected, or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A mine main fan ventilation system, characterized in that: include: A ventilation duct (1), wherein the ventilation duct (1) comprises a main duct (11) and a branch duct (12); A plurality of fans (2) are arranged in the branch pipe (12), and the plurality of fans (2) are all connected to a fan frequency converter (3); A plurality of gates (4) arranged on the ventilation duct (1) for realizing the opening and closing of the ventilation duct; A plurality of the fans (2) are electrically connected to a fan controller (5), a plurality of the fan frequency converters (3) are electrically connected to a fan frequency converter controller (6), and a plurality of the gates (4) are electrically connected to a gate controller (7); The plurality of fan controllers, the plurality of fan inverter controllers, and the plurality of gate controllers are electrically connected to a PLC controller (8), and the PLC controller (8) is electrically connected to a host computer (9).

2. The mine main fan ventilation system according to claim 1, characterized in that: The type of the gate is any one of a mesh gate, an air gate, and a butterfly gate.

3. The mine main fan ventilation system according to claim 1, characterized in that: At least two fans (2) are arranged in each branch pipeline (12).

4. The mine main fan ventilation system according to claim 3, characterized in that: Each of the fan controller (5), fan inverter controller (6) and gate controller (7) is provided with a one-button start-stop device.

5. The mine main fan ventilation system according to claim 4, characterized in that: The one-button start / stop device provided on each of the fan controller (5), the fan frequency converter controller (6) and the gate controller (7) is connected to the PLC controller.

6. The mine main fan ventilation system according to claim 1, characterized in that: Temperature sensors are arranged at the front shaft of the motor, the rear shaft of the motor and the motor rotor of each fan.

7. The mine main fan ventilation system according to claim 1, characterized in that: The temperature sensors arranged at the front shaft of the motor, the rear shaft of the motor and the motor rotor of each fan are connected to the fan controller (5).

8. The mine main fan ventilation system according to claim 1, characterized in that: It also comprises a fan control cabinet (50), in which a plurality of the fan controllers (5) and a plurality of the fan inverter controllers (6) are arranged.

9. The mine main fan ventilation system according to claim 1, characterized in that: It also comprises a gate control cabinet (70), in which a plurality of gate controllers (7) are arranged.

Images