A mine area fire extinguishing device

Abstract

The utility model discloses a regional fire extinguishing device for a mine, which comprises a cabinet body, wherein a fire extinguishing tank and a sub-control box are provided in the cabinet body, wherein a plurality of sensor modules for monitoring fire conditions are provided in the cabinet body, wherein the sensor modules are all electrically connected to the sub-control box, wherein the fire extinguishing tank is connected to a first material delivery pipe, wherein the first material delivery pipe is provided with an electric ball valve, wherein the sub-control box is electrically connected to the electric ball valve, wherein one end of the first material delivery pipe away from the fire extinguishing tank is provided with a plurality of spray devices, wherein when a fire condition occurs in a region, any sensor of the sensor module is sensed, and when the sensed signal exceeds a set value, the sensor module transmits the sensed signal to the sub-control box, and the sub-control box controls the electric ball valve to open, and the fire extinguishing material in the fire extinguishing tank is sprayed out through the spray device on the first material delivery pipe, and then the fire extinguishing material is sprayed to the entire region, thereby achieving fire covering and extinguishing in the fire condition region, and also achieving spraying in other regions, and achieving timely and effective fire extinguishing in a concentrated area of ​​mine electrical equipment through the coordinated action of the sensor module, the sub-control box and the fire extinguishing tank.

Description

Technical Field

[0001] The utility model relates to the field of mine safety, in particular to a regional fire extinguishing device for mines. Background Art

[0002] In mines with gas and coal dust explosion hazards, such as substations, charging chambers, pumping stations, belt conveyor heads, and places where electrical equipment is concentrated, due to the particularity of their working areas and environments, once a fire occurs, it is easy to cause major safety accidents. Therefore, it is necessary to ensure the safety of areas surrounding such underground facilities. In the prior art, when a fire occurs around a place where underground electrical equipment is concentrated, an open flame has usually occurred. After the staff discovers it, they use handheld fire extinguishing devices to extinguish the fire in the fire area. If the fire cannot be extinguished promptly and effectively in the first place, due to the presence of flammable materials such as gas and coal dust underground, the fire can easily spread quickly to the electrical equipment, causing mine fire accidents in the electrical equipment and surrounding areas, seriously endangering the safety of life and property. Utility Model Content

[0003] In order to timely and effectively extinguish fires in concentrated areas of mine electrical equipment, the present application provides a mine area fire extinguishing device.

[0004] The present application provides a mine area fire extinguishing device, which adopts the following technical solution:

[0005] A mine area fire extinguishing device comprises a cabinet body, wherein the cabinet body is provided with a fire extinguishing tank and a sub-control box, the sub-control box is electrically connected with a plurality of sensor modules for monitoring the fire condition in the area, the fire extinguishing tank is connected with a first material delivery pipe, the first material delivery pipe is provided with an electric ball valve, the sub-control box is electrically connected with the electric ball valve, and a plurality of spray devices are provided at one end of the first material delivery pipe away from the fire extinguishing tank.

[0006] Optionally, two three-way pipes are provided on the first material delivery pipe near the electric ball valve, the two three-way pipes are respectively located on both sides of the electric ball valve, a second material delivery pipe is provided between the two three-way pipes, and the second material delivery pipe is provided with a manual valve.

[0007] Optionally, the sensor module includes a carbon monoxide sensor, a flame sensor, and a smoke sensor.

[0008] Optionally, the carbon monoxide sensor, flame sensor and smoke sensor are all connected to an audible and visual alarm.

[0009] Optionally, the sub-control box is provided with

[0010] A key display module is used to output set values ​​and control instructions through keys and display values ​​on a display screen;

[0011] A network communication module is used to receive the control instructions and record the received data, and the received data can be transmitted to the upper computer on the ground through the underground industrial ring network;

[0012] A processor, electrically connected to the network communication module and the sensor module, for receiving signals and sending control signals;

[0013] The control module is electrically connected to the processor and the electric ball valve, and is used to receive control signals and control the start and stop of the electric ball valve.

[0014] Optionally, the fire extinguisher tank is connected to a pressure gauge.

[0015] Optionally, the fire extinguisher tank is connected to a pressure sensor, and the pressure sensor is electrically connected to the sub-control box.

[0016] In summary, the present application includes at least one of the following beneficial technical effects of a mine area fire extinguishing device:

[0017] 1. The cabinet is set in an area where electrical equipment is concentrated or in other mines prone to fire. When a fire occurs in the area, any sensor of the sensor module senses it. When the sensing signal exceeds the set value, the sensor module transmits the sensing signal to the sub-control box, which controls the electric ball valve to open, and the fire extinguishing material in the fire extinguishing tank is sprayed out through the spraying device on the first feeding pipe, and then the fire extinguishing material is sprayed to the entire area, so as to cover and extinguish the fire area. Spraying is also achieved in other areas. Through the synergistic effect of the sensor module, sub-control box and fire extinguishing tank, timely and effective fire extinguishing is achieved in places where electrical equipment in the mine is concentrated;

[0018] 2. When a fire occurs in the area and the power is cut off, the electric ball valve cannot be opened and is in the normally closed state. The operator opens the manual valve to allow the fire extinguishing material to flow through the first feed pipe, and then through the three-way pipe close to the fire extinguishing tank into the second feed pipe, and then into the second three-way pipe, and finally bypass the electric ball valve to enter the first feed pipe and spray the fire extinguishing material from the sprinkler device, so as to extinguish the fire in the concentrated area of ​​mine electrical equipment in a timely and effective manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the cabinet.

[0020] Figure 2 It is a schematic diagram of the internal structure of the cabinet.

[0021] Figure 3 Aims to highlight the connection diagram between the electric ball valve and the second feed pipe.

[0022] Figure 4 It is a schematic diagram of automatic and manual control of spraying of a mine area fire extinguishing device.

[0023] Figure 5 It is a schematic diagram of the control mechanism of a mine area fire extinguishing device.

[0024] Explanation of the reference numerals: 1. Cabinet; 2. Fire extinguisher tank; 3. Sub-control box; 4. Sensor module; 5. First feed pipe; 6. Electric ball valve; 51. Spray device; 7. Three-way pipe; 8. Second feed pipe; 81. Manual valve; 41. Carbon monoxide sensor; 42. Flame sensor; 43. Smoke sensor; 31. Key display module; 32. Network communication module; 33. Processor; 34. Control module; 21. Pressure gauge; 22. Pressure sensor. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0026] The embodiment of the present application discloses a regional fire extinguishing device for use in a mine.

[0027] Example 1

[0028] Reference Figure 1 and Figure 2 A mine area fire extinguishing device includes a cabinet 1, the cabinet 1 is provided with a fire extinguishing tank 2 and a sub-control box 3, the fire extinguishing tank 2 is connected to a first material delivery pipe 5, and a plurality of spray devices 51 are provided at one end of the first material delivery pipe 5 away from the fire extinguishing tank 2.

[0029] Reference Figure 2 and Figure 3 The cabinet 1 is arranged in an area where electrical equipment is relatively concentrated or in other mining areas where fire is prone to occur. A plurality of spray devices 51 are arranged at one end of the first feed pipe 5. The spray devices 51 can achieve full coverage of the area by spraying. In this embodiment, the fire extinguishing tank 2 is filled with fire extinguishing materials, preferably heptafluoropropane fire extinguishing agent. Heptafluoropropane fire extinguishing agent has good properties such as being colorless, odorless, leaving no solid or liquid residue after fire extinguishing, being non-conductive, and not breaking down electronic and electrical equipment. As a clean gas fire extinguishing agent, it has no destructive effect on the ozone layer of the atmosphere, is low in toxicity, and has a good fire extinguishing effect.

[0030] Reference Figure 4 and Figure 5When a fire occurs in a mining area, carbon monoxide, flames and smoke will be generated. The sub-control box 3 is electrically connected to a number of sensor modules 4 for monitoring regional fire conditions. The sensor modules 4 include a carbon monoxide sensor 41, a flame sensor 42, and a smoke sensor 43. The carbon monoxide sensor 41, the flame sensor 42, and the smoke sensor 43 are all equipped with sound and light alarms. The sub-control box 3 is provided with a key display module 31, a network communication module 32, a processor 33 and a control module 34. The key display module 31 is a key and a display screen on the sub-control box 3. The operator inputs the setting value and control instruction of the sensor module 4 by pressing the key. The parameters and setting values ​​will be displayed on the display screen. The display screen can display the monitoring values ​​of the smoke sensor 43, the flame sensor 42, and the carbon monoxide sensor 41. The processor 33 is electrically connected to the network communication module 32 and the sensor module 4. The processor 33 receives the signal and sends the control signal. The network communication module 32 receives the control signal sent by the processor 33 and records the received data. The data can be transmitted to the upper computer on the ground through the underground industrial ring network. The sensor modules 4 are electrically connected to the sub-control box 3, the first feed pipe 5 is provided with an electric ball valve 6, the control module 34 is electrically connected to the processor 33 and the electric ball valve 6 respectively, and the control module 34 receives the control signal sent by the processor 33 and controls the start and stop of the electric ball valve 6.

[0031] Reference Figure 4 and Figure 5 The fire extinguisher tank 2 is connected to a pressure sensor 22, which is electrically connected to the sub-control box 3. By pressing a button to input the set value and control command of the pressure sensor 22, the pressure value detected by the pressure sensor 22 will be displayed on the display screen. When the pressure value reaches the preset value, an electrical signal is transmitted to the sub-control box 3 to remind the operator that the pressure in the fire extinguisher tank 2 is too high or too low, so that the operator can adjust the pressure of the fire extinguisher tank 2 to ensure the safety of the use of the fire extinguisher tank 2. The fire extinguisher tank 2 is connected to a pressure gauge 21, which allows the operator to intuitively view the real-time pressure value in the fire extinguisher tank 2.

[0032] Reference Figure 2 and Figure 4 When a fire occurs in the area, any sensor of the sensor module 4 senses it. When the sensing signal exceeds the set value, the sensing signal is transmitted to the sub-control box 3. The sub-control box 3 then transmits the command to both sides of the electric ball valve 6 through an electrical signal, thereby controlling the electric ball valve 6 to open. The fire extinguishing material in the fire extinguishing tank 2 is sprayed out through the spraying device 51 on the first feeding pipe 5, and then the fire extinguishing material is sprayed on the entire area to cover the fire area and extinguish the fire. The spraying is also achieved in other areas, which can effectively prevent the spread of fire, avoid recurrence of fire, and eliminate fire hazards. Through the synergistic effect of the sensor module 4, the sub-control box 3, and the fire extinguishing tank 2, the fire extinguishing material is automatically sprayed, so as to achieve timely and effective fire extinguishing in places where mine electrical equipment is concentrated.

[0033] The implementation principle of a mine area fire extinguishing device in an embodiment of the present application is as follows: the cabinet 1 is set in an area where electrical equipment is relatively concentrated or in other mine areas where fire is prone to occur. When a fire occurs in the area, any sensor of the sensor module 4 is sensed. When the sensing signal exceeds the set value, the sensor module 4 transmits the sensing signal to the sub-control box 3. The sub-control box 3 controls the electric ball valve 6 to open, and the fire extinguishing material in the fire extinguishing tank 2 is sprayed out through the spraying device 51 on the first feed pipe 5, and then the fire extinguishing material is sprayed on the entire area, so as to cover and extinguish the fire area. The same spraying is achieved for other areas, and the fire extinguishing material is automatically sprayed, so as to achieve timely and effective fire extinguishing in places where mine electrical equipment is concentrated.

[0034] Example 2

[0035] Reference Figure 2 and Figure 4 If the power system of the cabinet 1 fails, the operator needs to manually operate to extinguish the fire. The first delivery pipe 5 is provided with two three-way pipes 7 near the electric ball valve 6. The two three-way pipes 7 are respectively located at the electric ball valve 6. A second delivery pipe 8 is provided between the two three-way pipes 7. The second delivery pipe 8 is provided with a manual valve 81. When a fire occurs in the area and the power is cut off, the electric ball valve 6 cannot be opened and is in a normally closed state. The operator opens the manual valve 81 to allow the fire extinguishing material to flow through the first delivery pipe 5, and then through the three-way pipe 7 near the fire extinguishing tank 2 into the second delivery pipe 8, and then into the second three-way pipe 7, and finally bypass the electric ball valve 6 to enter the first delivery pipe 5 and spray the fire extinguishing material from the spray device 51, so as to achieve timely and effective fire extinguishing of the concentrated area of ​​mine electrical equipment.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mine area fire extinguishing device, comprising a cabinet (1), characterized in that: The cabinet (1) is provided with a fire extinguishing tank (2) and a sub-control box (3), the sub-control box (3) is electrically connected to a plurality of sensor modules (4) for monitoring regional fire conditions, the fire extinguishing tank (2) is connected to a first material delivery pipe (5), the first material delivery pipe (5) is provided with an electric ball valve (6), the sub-control box (3) is electrically connected to the electric ball valve (6), and a plurality of spray devices (51) are provided at one end of the first material delivery pipe (5) away from the fire extinguishing tank (2).

2. A mining area fire extinguishing device according to claim 1, characterized in that: The first material delivery pipe (5) is provided with two three-way pipes (7) near the electric ball valve (6), the two three-way pipes (7) are respectively located on both sides of the electric ball valve (6), a second material delivery pipe (8) is provided between the two three-way pipes (7), and the second material delivery pipe (8) is provided with a manual valve (81).

3. A mining area fire extinguishing device according to claim 1, characterized in that: The sensor module (4) comprises a carbon monoxide sensor (41), a flame sensor (42), and a smoke sensor (43).

4. A mining area fire extinguishing device according to claim 3, characterized in that: The carbon monoxide sensor (41), the flame sensor (42), and the smoke sensor (43) are all connected to an audible and visual alarm.

5. A mine area fire extinguishing device according to claim 1, characterized in that: The sub-control box (3) is provided with A button display module (31), used to output set values ​​and control instructions through buttons and display values ​​on a display screen; A network communication module (32) is used to receive the control instruction and record the received data, The received data can be transmitted to the upper computer on the ground through the underground industrial ring network; A processor (33) is electrically connected to the network communication module (32) and the sensor module (4) and is used to receive signals and send control signals; The control module (34) is electrically connected to the processor (33) and the electric ball valve (6), and is used to receive the control signal and control the start and stop of the electric ball valve (6).

6. A mine area fire extinguishing device according to claim 1, characterized in that: The fire extinguishing tank (2) is connected to a pressure gauge (21).

7. A mine area fire extinguishing device according to claim 1, characterized in that: The fire extinguishing tank (2) is connected to a pressure sensor (22), and the pressure sensor (22) is electrically connected to a sub-control box (3).

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