CN212166385U - Underground coal mine area fire prevention and extinguishing system - Google Patents
Underground coal mine area fire prevention and extinguishing system Download PDFInfo
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- CN212166385U CN212166385U CN202020098780.9U CN202020098780U CN212166385U CN 212166385 U CN212166385 U CN 212166385U CN 202020098780 U CN202020098780 U CN 202020098780U CN 212166385 U CN212166385 U CN 212166385U
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Abstract
The utility model discloses a colliery is regional fire prevention system in pit, including a plurality of shower nozzles that divide the regional setting and fix the solenoid valve on the pipeline of shower nozzle, still include a plurality of controllers, smoke transducer, flame sensor and voice broadcast circuit, controller in each region respectively with this regional a plurality of smoke transducer, flame sensor and voice broadcast circuit electric connection in, each controller with correspond regional interior solenoid valve electric connection. The utility model discloses divide the region to set up the fire prevention shower nozzle and divide the region to set up the controller, reduce the data processing volume of controller, improve response speed, set up smoke transducer, the dual monitoring sensor of flame sensor, improve the monitoring accuracy, reduce secondary disaster risk.
Description
Technical Field
The utility model relates to a colliery technical field especially indicates a colliery is regional fire prevention and extinguishing system in pit.
Background
In the underground coal mine, because of the conditions of smoldering of an adhesive tape at a transportation transfer point, lighting of underground electromechanical equipment and the like, a large amount of coal dust is generated during mining operation, and a fire disaster is easy to happen. Places such as underground electromechanical chambers and roadways of coal mines, which are easy to cause high temperature and fire disasters, are also easy to cause fire disasters. Among the prior art, the colliery is in the pit to accomplish the condition of a fire through the controller that sets up a centralized management and detects, for example the chinese utility model patent that the publication number is CN203559922U discloses a colliery is in pit substation fire prevention and extinguishing device, including a case box of putting out a fire, include in the case box of putting out a fire: the internal sensor is used for detecting fire information and outputting an electric signal; a gas generating device connected to the internal sensor for generating a fire extinguishing agent; and the alarm unit is connected with the internal sensor. There is a possibility that fire cannot be prevented and extinguished in time due to a failure of the controller or a non-timely data processing of the controller.
SUMMERY OF THE UTILITY MODEL
The utility model provides a colliery is regional fire prevention and extinguishing system in pit has solved among the prior art because the controller breaks down, perhaps controller data processing untimely leads to the problem that can not in time prevent and put out a fire.
The technical scheme of the utility model is realized like this:
the utility model provides a colliery is regional fire prevention and extinguishing system in pit, includes a plurality of shower nozzles that divide the regional setting and fixes solenoid valve on the pipeline of shower nozzle still includes a plurality of controllers, smoke transducer, flame sensor and voice broadcast circuit, controller in each region respectively with a plurality of smoke transducer in this region, flame sensor and voice broadcast circuit electric connection, each solenoid valve electric connection in controller and the corresponding region.
As a preferred embodiment of the present invention, the nozzle further includes an angle adjusting mechanism, and the controller is electrically connected to the angle adjusting mechanism.
As a preferred embodiment of the present invention, the spraying angle of the nozzle is 60 ° to 120 °.
As a preferred embodiment of the present invention, the spraying angle of the spraying head is 72 °.
As a preferred embodiment of the present invention, the diameter of the flow passage of the nozzle is phi 12.7mm, and the flow rate is 70%.
As a preferred embodiment of the utility model, still include the dry powder jar that divides the regional setting, the dry powder jar switches on through the shower nozzle in pipeline and this region.
As a preferred embodiment of the utility model, be equipped with pressure detection sensor on the dry powder jar, pressure detection sensor and this regional controller electric connection.
As a preferred embodiment of the present invention, the controller is a PLC.
The beneficial effects of the utility model reside in that: the fire prevention and extinguishing nozzle is arranged in a partitioned mode, the controller is arranged in a partitioned mode, the data processing amount of the controller is reduced, the response speed is improved, the smoke sensor and the flame sensor are arranged, the monitoring accuracy is improved, and secondary disaster risks are reduced.
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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic block diagram of an embodiment of a fire prevention and extinguishing system for an underground coal mine area.
In the figure, 1-controller; 2-a smoke sensor; 3-a flame sensor; 4-a voice broadcast circuit; 5-electromagnetic valve.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the utility model provides a colliery is regional fire prevention and extinguishing system down, including a plurality of shower nozzles that divide the regional setting and fix the solenoid valve 5 on the pipeline of shower nozzle, still include a plurality of controllers 1, smoke transducer 2, flame sensor 3 and voice broadcast circuit 4, controller 1 in each region respectively with this regional a plurality of smoke transducer 2, flame sensor 3 and the 4 electric connection of voice broadcast circuit, each controller 1 with correspond regional 5 electric connection of solenoid valve. The fire source is accurately identified (through the smoke and flame sensor 3), the fire prevention and extinguishing protection area is divided into a plurality of small areas, PLC is used for analyzing the transmission signals of the sensors in each area, instructions are definitely sent to the electromagnetic valves 5 in the corresponding areas, the fire extinguishers above the fire extinguishers are driven to spray, and the fire disaster is treated in the sprouting state. Specifically, the smoke sensor 2 may be of the type MQ-2, and the flame sensor 3 may be an R2868 ultraviolet flame sensor 3.
Can carry out voice broadcast one minute before spraying to light the exit of fleing pilot lamp, for staying enough evacuation time at the scene personnel, the suggestion personnel evacuate, at the in-process that sprays, the outside is sprayed the pilot lamp and is lighted, and the instruction personnel do not get into.
To colliery fire extinguishing systems's limitation in the pit, the utility model discloses it is narrow to have improved the use face, and the shortcoming that the range of application is little can be with the utility model discloses be applied to the place that easily takes place high temperature, conflagration calamity such as colliery electromechanical chamber, tunnel in the pit to divide the use place into a plurality of regions and manage respectively, reduce secondary disaster risk.
The sprayer further comprises an angle adjusting mechanism, and the controller 1 is electrically connected with the angle adjusting mechanism. The spraying angle of the nozzle is 60-120 degrees. The spraying angle is customized, the spraying direction and the spraying angle can be customized according to the field condition, the spraying is divided into upper spraying, lower spraying, 60 degrees and 120 degrees for accurate spraying, the coverage area can be calculated, and the spraying is purposefully set. Specifically, angle adjustment mechanism includes U type base, and the left and right sides of shower nozzle is equipped with outstanding pivot, and the pivot is passed U type base, one of them pivot is passed fixedly connected with gear behind the U type base is fixed with another gear on driving motor's the output shaft, two gear engagement, driving motor and 1 electric connection of controller, and 1 control driving motor of controller rotates, and driving motor drives the shower nozzle through two gears and uses the pivot to rotate as the center to the realization is to the angle modulation of shower nozzle.
The spraying angle of the spray head is 72 degrees. The diameter of the flow channel of the spray head is phi 12.7mm, the flow is 70%, the flow velocity of the dry powder at the outlet of the tank body is increased, the dry powder is discharged from the tank at high speed, the gravity is overcome, and the coverage area is maximized.
The utility model discloses still including the dry powder jar that divides the regional setting, the dry powder jar switches on through the shower nozzle in pipeline and this region. And a pressure detection sensor for detecting the internal pressure of the dry powder tank is arranged on the dry powder tank, and the pressure detection sensor is electrically connected with the controller 1 in the area. The pressure detection design is carried out aiming at the failure caused by the leakage of the tank body, the system monitors the pressure of each fire extinguisher at any time, if the pressure is lower than the threshold value, the system immediately alarms and informs maintenance personnel to detect and replace the fire extinguishers.
The utility model discloses divide the region to set up the fire prevention shower nozzle and divide the region to set up controller 1, reduce controller 1's data processing volume, improve response speed, set up smoke transducer 2, the dual monitoring sensor of flame sensor 3, improve the monitoring accuracy, reduce secondary disaster risk.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a colliery is regional fire prevention and extinguishing system in pit, includes a plurality of shower nozzles that divide the regional setting and fixes solenoid valve on the pipeline of shower nozzle, its characterized in that: the intelligent control system is characterized by further comprising a plurality of controllers, smoke sensors, flame sensors and voice broadcasting circuits, wherein the controllers in each area are respectively electrically connected with the smoke sensors, the flame sensors and the voice broadcasting circuits in the area, and each controller is electrically connected with the corresponding electromagnetic valve in the area.
2. The fire prevention and extinguishing system for the underground coal mine area according to claim 1, wherein: the sprayer further comprises an angle adjusting mechanism, and the controller is electrically connected with the angle adjusting mechanism.
3. The fire prevention and extinguishing system for the underground coal mine area according to claim 1 or 2, wherein: the spraying angle of the spray head is 60-120 degrees.
4. The fire prevention and extinguishing system for the underground coal mine area according to claim 3, wherein: the spraying angle of the spray head is 72 degrees.
5. The fire prevention and extinguishing system for the underground coal mine area according to claim 1, wherein: the diameter of the flow channel of the nozzle is phi 12.7mm, and the flow rate is 70%.
6. The fire prevention and extinguishing system for the underground coal mine area according to claim 1, wherein: the dry powder tank is arranged in a partitioned mode and communicated with the spray heads in the partitioned mode through pipelines.
7. The fire prevention and extinguishing system for the underground coal mine area according to claim 6, wherein: and a pressure detection sensor is arranged on the dry powder tank and is electrically connected with the controller in the area.
8. The fire prevention and extinguishing system for the underground coal mine area according to claim 1, wherein: the controller is a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098780.9U CN212166385U (en) | 2020-01-16 | 2020-01-16 | Underground coal mine area fire prevention and extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098780.9U CN212166385U (en) | 2020-01-16 | 2020-01-16 | Underground coal mine area fire prevention and extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212166385U true CN212166385U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020098780.9U Active CN212166385U (en) | 2020-01-16 | 2020-01-16 | Underground coal mine area fire prevention and extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212166385U (en) |
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2020
- 2020-01-16 CN CN202020098780.9U patent/CN212166385U/en active Active
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