CN116608008A - A mine mechanical and electrical chamber dry powder fire extinguishing monitoring system - Google Patents

Abstract

The application provides a dry powder extinguishing monitoring system for an electromechanical chamber of a mine, which comprises a monitoring workstation, an explosion-proof industrial ring network exchanger, a mine explosion-proof and intrinsic safety host, a temperature sensor, a temperature sensing cable, a thermal imaging wireless thermometer, a smoke sensor, a flame sensor, a carbon monoxide sensor, a dry powder pipeline electric ball valve, an extinguishing device electromagnetic valve, a dry powder extinguishing device and a pressure sensor; according to the application, the mining flameproof and intrinsic safety host is utilized to receive data detected by each sensor, then historical data of each sensor is combined with time change to analyze data change trend, when the data change trend reaches a threshold value in preset time, the mining flameproof and intrinsic safety host generates early warning information, and the flameproof industrial ring network switch is utilized to feed back the early warning information to a monitoring workstation so as to early warn, so that workers can have enough time to eliminate fire danger or carry out safe evacuation, and the accident-proof effect can be achieved.

Description

A mine mechanical and electrical chamber dry powder fire extinguishing monitoring system

technical field

The invention relates to a fire extinguishing monitoring system, in particular to a mine electromechanical chamber dry powder fire extinguishing monitoring system, which belongs to the technical field of electromechanical chamber fire extinguishing monitoring.

Background technique

Mine mechanical and electrical chamber is one of the important infrastructures in the coal mine production system. It is mainly used to install various equipment, machines, store materials and tools, or for other special purposes, such as machine repair room, explosives storehouse, rest room, etc. Since the 21st century, the coal industry has entered a period of rare development opportunities, and the marketization of energy has injected new vitality into the development of the coal industry. Therefore, the production scale of coal mines has become larger and more mechanized; With the gradual expansion of production scale, various safety issues follow. Therefore, the construction of "digital mine" and "smart mine" is advocated, hoping to improve the level and management of coal mine safety production through the application of high-tech monitoring, monitoring, communication and other means Efficiency, while the fire prevention system is listed as a special content as the top priority;

The fire extinguishing system of the traditional mine mechanical and electrical chamber usually only uses various sensors to detect the environment in the mechanical and electrical chamber. When the detection reaches the threshold range, the fire extinguishing operation is automatically performed, which leads to the following problems in the actual application process:

1. It is impossible to effectively warn in advance so that the staff can evacuate safely;

2. The fire extinguishing system is relatively independent and cannot effectively collect data;

3. It is impossible to remotely monitor the fire extinguishing equipment and various sensors, and it is easy to cause serious safety accidents due to the failure of fire extinguishing equipment or sensors. Therefore, a dry powder fire extinguishing monitoring system for mine electromechanical chambers is proposed.

Contents of the invention

In view of this, the present invention provides a mine electromechanical chamber dry powder fire extinguishing monitoring system to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

The technical solution of the embodiment of the present invention is realized as follows: a dry powder fire extinguishing monitoring system for mine electromechanical chambers, including a monitoring workstation, an explosion-proof industrial ring network switch, a mine explosion-proof and intrinsically safe host, a temperature sensor, a temperature-sensing cable, Thermal imaging wireless thermometer, smoke sensor, flame sensor, carbon monoxide sensor, dry powder pipeline electric ball valve, fire extinguishing device solenoid valve, dry powder fire extinguishing device and pressure sensor, the monitoring workstation is interactively connected to an explosion-proof industrial ring network switch, and the explosion-proof industrial The ring network switch is interactively connected to the mine explosion-proof and intrinsically safe host, the mine explosion-proof and intrinsically safe host is connected to the electric ball valve of the dry powder pipeline and the solenoid valve of the fire extinguishing device, the temperature sensor, temperature sensing cable, thermal imaging wireless measuring Thermometer, smoke sensor, flame sensor, carbon monoxide sensor and pressure sensor are connected to mine flameproof and intrinsically safe host;

The monitoring workstation includes an audible and visual alarm and a core ring network switch;

The core ring network switch is interactively connected with the explosion-proof industrial ring network switch;

The mine explosion-proof and intrinsically safe host is used to receive data detected by temperature sensors, temperature-sensing cables, thermal imaging wireless thermometers, smoke sensors, flame sensors, carbon monoxide sensors and pressure sensors, and combine historical data and time Change analysis data change trend, and regularly send calibration instructions to temperature sensors, temperature sensing cables, thermal imaging wireless thermometers, smoke sensors, flame sensors, carbon monoxide sensors and pressure sensors according to the calibration cycle.

Further preferably, the acousto-optic alarm includes sound, voice and light alarms, which are used to give early warning to the staff in the monitoring workstation or guide the on-site staff to evacuate safely.

Further preferably, the core ring network switch is used for exchanging data with the explosion-proof industrial ring network switch, so as to centrally summarize the monitoring data.

Further preferably, the temperature sensor is used to detect the temperature of the equipment in the electromechanical chamber and the temperature data in the cable trench;

The temperature-sensing cable is used to detect the temperature data of the cable in the cable trench;

The thermal imaging wireless thermometer is used for monitoring the temperature of the electrical equipment area.

Further preferably, the smoke sensor is used to detect the smoke concentration data in the electromechanical chamber and the cable trench;

The flame sensor is used to identify and detect the flames in the electromechanical chamber and the cable trench;

The carbon monoxide sensor is used to detect the carbon monoxide concentration data in the electromechanical chamber and the cable trench.

Further preferably, the pressure sensor is used to detect pressure data in the dry powder fire extinguishing device.

Further preferably, the monitoring workstation is ground equipment, the explosion-proof industrial ring network switch, mine explosion-proof and intrinsically safe host, temperature sensor, temperature-sensing cable, thermal imaging wireless thermometer, smoke sensor, flame sensor, The carbon monoxide sensor, the electric ball valve of the dry powder pipeline, the solenoid valve of the fire extinguishing device, the dry powder fire extinguishing device and the pressure sensor are all underground equipment.

Further preferably, the dry powder pipeline electric ball valve is used to control the connection or closure between the dry powder fire extinguishing device and the dry powder pipeline;

The electromagnetic valve of the fire extinguishing device is used to control the opening or closing of the dry powder fire extinguishing device.

Embodiments of the present invention have the following advantages due to the adoption of the above technical solutions:

1. The present invention receives the data detected by each sensor by utilizing the mine explosion-proof and intrinsically safe host, and then combines the historical data of each sensor with the time change to analyze the data change trend. When the data change trend reaches the threshold within the preset time At the same time, the mining explosion-proof and intrinsically safe host generates early-warning information, and uses the explosion-proof industrial ring network switch to feed back the early-warning information to the monitoring workstation, so as to give early warning, so that the staff can have enough time to eliminate the fire danger or carry out safe evacuation. It can achieve the effect of preventing disasters before they happen.

2. The present invention exchanges data through the core ring network switch and the explosion-proof industrial ring network switch, so that the data monitored by each fire extinguishing system in the mine can be fed back to the monitoring workstation in a centralized way, so that the various fire extinguishing systems in the coal mine can be managed in different areas, and the monitoring workstation can Conduct central scheduling, rationally allocate relevant resources, and formulate an optimized, reasonable and targeted fire-fighting plan from the overall perspective.

3. The present invention sends verification instructions to each sensor regularly according to the verification period through the mining explosion-proof and intrinsically safe host, so as to judge whether the fire extinguishing equipment and various sensors are working normally according to the data changes before and after the verification of each sensor, so as to achieve Remotely monitor the effects of fire extinguishing equipment and various sensors, avoiding serious safety accidents caused by failure of fire extinguishing equipment or sensors.

The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings that need to be used in the embodiments or technical descriptions. Obviously, the drawings in the following description are only For some embodiments of the present application, those of ordinary skill in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a system block diagram of the present invention.

Detailed ways

In the following, only some exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, the embodiment of the present invention provides a dry powder fire extinguishing monitoring system for mine electromechanical chambers, including a monitoring workstation, an explosion-proof industrial ring network switch, a mine explosion-proof and intrinsically safe host, a temperature sensor, a temperature-sensing cable, Thermal imaging wireless thermometer, smoke sensor, flame sensor, carbon monoxide sensor, dry powder pipeline electric ball valve, fire extinguishing device solenoid valve, dry powder fire extinguishing device and pressure sensor, characterized in that: the monitoring workstation is interactively connected to the explosion-proof industrial ring network switch, explosion-proof industrial The ring network switch is interactively connected to the mine explosion-proof and intrinsically safe host, and the mine explosion-proof and intrinsically safe host is connected to the electric ball valve of the dry powder pipeline and the solenoid valve of the fire extinguishing device, temperature sensor, temperature-sensing cable, thermal imaging wireless thermometer, smoke Sensors, flame sensors, carbon monoxide sensors and pressure sensors are connected to mine flameproof and intrinsically safe hosts;

The monitoring workstation includes an audible and visual alarm and a core ring network switch;

The core ring network switch is interactively connected with the explosion-proof industrial ring network switch;

Mine explosion-proof and intrinsically safe host, used to receive data from temperature sensors, temperature sensing cables, thermal imaging wireless thermometers, smoke sensors, flame sensors, carbon monoxide sensors and pressure sensors, and combine historical data and time change analysis Data change trends, and regularly send calibration instructions to temperature sensors, temperature sensing cables, thermal imaging wireless thermometers, smoke sensors, flame sensors, carbon monoxide sensors and pressure sensors according to the calibration cycle.

In one embodiment, the acousto-optic alarm includes sound, voice and light alarm, which is used to warn the staff in the monitoring workstation or guide the on-site staff to evacuate safely; The staff give early warning reminders or guide the on-site staff to safely evacuate, so that through early warning, the staff can have sufficient time to eliminate the fire danger or safely evacuate.

In one embodiment, the core ring network switch is used to exchange data with the explosion-proof industrial ring network switch, so as to centralize and summarize the monitoring data; The data is fed back to the core ring network switch, so that the data monitored by each fire extinguishing system in the mine can be fed back to the monitoring workstation in a centralized manner, so that the various fire extinguishing systems in the coal mine can be managed in different areas.

In one embodiment, the temperature sensor is used to detect the temperature of the equipment in the electromechanical chamber and the temperature data in the cable trench; the temperature sensing cable is used to detect the temperature data of the cable in the cable trench; the thermal imaging wireless temperature measurement The instrument is used to monitor the temperature of the electrical equipment area; the smoke sensor is used to detect the smoke concentration data in the electromechanical chamber and the cable trench; the flame sensor is used to identify and detect the flame in the electromechanical chamber and the cable trench; carbon monoxide The sensor is used to detect the carbon monoxide concentration data in the electromechanical chamber and the cable trench; the pressure sensor is used to detect the pressure data in the dry powder fire extinguishing device; through the temperature sensor, the temperature sensing cable, and the thermal imaging wireless thermometer , smoke sensor, flame sensor, carbon monoxide sensor and pressure sensor to detect the temperature, smoke concentration, flame, carbon monoxide concentration and pressure data in the electromechanical chamber, electrical equipment area and cable trench.

In one embodiment, the monitoring workstation is ground equipment, explosion-proof industrial ring network switch, mine explosion-proof and intrinsically safe host, temperature sensor, temperature-sensing cable, thermal imaging wireless thermometer, smoke sensor, flame sensor, carbon monoxide sensor , Dry powder pipeline electric ball valve, solenoid valve of fire extinguishing device, dry powder fire extinguishing device and pressure sensor are all underground equipment.

In one embodiment, the electric ball valve of the dry powder pipeline is used to control the connection or closure between the dry powder fire extinguishing device and the dry powder pipeline; the solenoid valve of the fire extinguishing device is used to control the opening or closing of the dry powder fire extinguishing device; The electric ball valve of the dry powder pipeline controlled by the intrinsically safe main engine connects the dry powder pipeline with the dry powder fire extinguishing device, so that the fire extinguishing agent in the dry powder pipeline can be used to pressurize the dry powder fire extinguishing device, and then through the mine explosion-proof and intrinsically safe main engine Control the solenoid valve of the fire extinguishing device to open the dry powder fire extinguishing device, so that the fire extinguishing agent inside is sprayed out to carry out the fire extinguishing operation.

In one embodiment, the present invention has the following characteristics:

Complete functions: Integrate automatic dry powder fire extinguishing, remote online real-time monitoring, remote online real-time control functions in one, monitoring, alarm, and fire extinguishing are fully automatic;

Partition management: automatic dry powder fire extinguishing, remote online real-time monitoring, remote online real-time control functions in two areas of substation and cable trench, one host partition management;

Flexible configuration: According to the environmental characteristics and needs of different substations, different sensors and monitoring equipment can be selected to match with the dry powder system to make the most reasonable, targeted and optimal dry powder fire prevention scheme;

Stable operation: The main engine adopts the programmable controller scheme used by the large-scale automatic control system to ensure the large-scale data collection and the long-term stable and reliable operation of the automatic control system;

Safe and reliable: at the same time, it meets the requirements of national explosion-proof standards, coal mine safety regulations, and fire protection industry specifications. All products have obtained safety standard certificates and explosion-proof certificates, and the company has fire protection engineering construction qualifications;

"Prevention is better than fire extinction": When the temperature of the substation or the cable trench is too high and there is a fire warning but not yet on fire, timely remind the relevant personnel to turn off the power and try to eliminate the fire danger, so as to prevent disasters before they happen;

Fire alarm evacuation reminder: Use alarm sound + voice + alarm light triple alarm. When the temperature of the substation or cable trench is too high and there is a fire sign but not yet on fire, it will promptly remind the relevant personnel to turn off the power and try to eliminate the fire danger, preventing disasters before they happen. In the event of a fire, promptly guide the on-site personnel to evacuate quickly;

Remote online monitoring function of dry powder fire extinguishing device: the pressure in the dry powder starting bottle and dry powder tank can be remotely monitored at any time in the dispatch center to ensure that the dry powder fire extinguishing device is effective at any time;

Various switching methods: automatic, remote host computer software manual, on-site button manual three methods, to meet the needs of powder spraying switch in different situations;

Sensor timing calibration reminder function: the system can make a calibration reminder function on the host computer according to the calibration cycle required by each sensor, so as to remind the dispatching center to calibrate the sensor in time;

Flexible input voltage: multiple choices of AC660/380/220/127V, common voltage levels on the ground and underground can be connected;

It has an external data interface and can be connected to a third-party management platform.

When the present invention is working: the temperature of the equipment in the electromechanical chamber and the temperature data in the cable trench are detected by the temperature sensor; the temperature data of the cable in the cable trench is detected by the temperature-sensing cable; The data in the equipment area is collected, the smoke concentration data in the electromechanical chamber and the cable trench is detected by the smoke sensor, the flame in the electromechanical chamber and the cable trench is identified and detected by the flame sensor, and the electromechanical chamber is detected by the carbon monoxide sensor. The carbon monoxide concentration data in the room and in the cable trench is detected, and the pressure data in the dry powder fire extinguishing device is detected by the pressure sensor, and then the temperature sensor, the temperature sensing cable, and the thermal imaging wireless measurement are received by the mine explosion-proof and intrinsically safe host. Temperature instrument, smoke sensor, flame sensor, carbon monoxide sensor and pressure sensor detect the data, and conduct preliminary analysis and processing of the data, and then feed back the analyzed and processed data of the mine flameproof and intrinsically safe host to the core through the explosion-proof industrial ring network switch Ring network switch, so that the monitoring data of each underground fire extinguishing system can be fed back to the monitoring workstation in a centralized manner, so that the coal mine underground fire extinguishing systems can be managed in different areas, and the monitoring workstation can perform central scheduling, reasonably allocate relevant resources and formulate optimization and rationalization from the overall perspective And there is a targeted fire extinguishing plan. At the same time, the analyzed and processed data is combined with the historical data and time changes of each sensor through the mine flameproof and intrinsically safe host to analyze the data change trend. When the data changes within the preset time When the trend is lower than the threshold, the program terminates, and the mine flameproof and intrinsically safe host continues to receive the feedback data of each sensor. When the data change trend reaches the threshold within the preset time, the mine flameproof and intrinsically safe host generates early warning information , and use the explosion-proof industrial ring network switch to feed back the early warning information to the monitoring workstation, and then use the sound and light alarm to give early warning to the staff in the monitoring workstation or guide the on-site staff to evacuate safely, so that through early warning, the staff can There is enough time to eliminate fire hazards or carry out safe evacuation to achieve the effect of preventing disasters before they happen, and the mine-used explosion-proof and intrinsically safe host can regularly measure the temperature sensor, temperature-sensing cable, and thermal imaging wireless temperature according to the calibration cycle Sensor, smoke sensor, flame sensor, carbon monoxide sensor and pressure sensor send calibration instructions, and then judge whether the fire extinguishing equipment and various sensors are working normally according to the data changes before and after each sensor calibration, so as to achieve remote monitoring of fire extinguishing equipment and various sensors The effect is to avoid serious safety accidents caused by fire extinguishing equipment or sensor failure. When the monitoring workstation uses the core ring network switch and the explosion-proof industrial ring network When the data detected by the temperature cable, thermal imaging wireless thermometer, smoke sensor, flame sensor, and carbon monoxide sensor reaches the threshold, the electric ball valve of the dry powder pipeline is controlled by the mine explosion-proof and intrinsically safe host to connect the dry powder pipeline and the dry powder fire extinguishing device. In order to use the fire extinguishing agent in the dry powder pipeline to pressurize the dry powder fire extinguishing device, and then control the solenoid valve of the fire extinguishing device through the mine explosion-proof and intrinsically safe host to open the dry powder fire extinguishing device to make the fire extinguishing agent inside spray out , to carry out fire extinguishing operations.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can easily think of its various changes or modifications within the technical scope disclosed in the present invention. Replacement, these should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (8)

1. The utility model provides a mine electromechanical chamber dry powder extinguishing monitoring system, includes monitor workstation, explosion-proof industry looped netowrk switch, mining flameproof and intrinsic safety host computer, temperature sensor, temperature sensing cable, thermal imaging wireless thermometer, smoke transducer, flame sensor, carbon monoxide sensor, dry powder pipeline electric ball valve, extinguishing device solenoid valve, dry powder extinguishing device and pressure sensor, its characterized in that: the monitoring workstation is interactively connected with an explosion-proof industrial ring network switch, the explosion-proof industrial ring network switch is interactively connected with a mining explosion-proof and intrinsic safety host, the mining explosion-proof and intrinsic safety host is connected with a dry powder pipeline electric ball valve and a fire extinguishing device electromagnetic valve, and the temperature sensor, the temperature sensing cable, the thermal imaging wireless thermometer, the smoke sensor, the flame sensor, the carbon monoxide sensor and the pressure sensor are connected with the mining explosion-proof and intrinsic safety host;

the monitoring workstation comprises an audible and visual alarm and a core ring network switch;

the core ring network switch is interactively connected with the explosion-proof industrial ring network switch;

the mining flameproof and intrinsically safe host is used for receiving data detected by a temperature sensor, a temperature sensing cable, a thermal imaging wireless thermometer, a smoke sensor, a flame sensor, a carbon monoxide sensor and a pressure sensor, analyzing a data change trend by combining historical data and time change, and sending a verification command to the temperature sensor, the temperature sensing cable, the thermal imaging wireless thermometer, the smoke sensor, the flame sensor, the carbon monoxide sensor and the pressure sensor according to a verification period at regular time.

2. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the audible and visual alarm comprises sound, voice and light alarm, and is used for carrying out early warning reminding on staff in the monitoring workstation or guiding on-site staff to carry out safe evacuation.

3. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the core ring network switch is used for carrying out data exchange with the explosion-proof industrial ring network switch so as to intensively collect monitoring data.

4. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the temperature sensor is used for detecting the temperature of equipment in the electromechanical chamber and temperature data in the cable pit;

the temperature sensing cable is used for detecting temperature data of the cable in the cable trench;

the thermal imaging wireless thermometer is used for monitoring the temperature of an area of electrical equipment.

5. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the smoke sensor is used for detecting smoke concentration data in the electromechanical chamber and in the cable pit;

the flame sensor is used for identifying and detecting flames in the electromechanical chamber and the cable trench;

the carbon monoxide sensor is used for detecting carbon monoxide concentration data in the electromechanical chamber and in the cable trench.

6. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the pressure sensor is used for detecting pressure data in the dry powder extinguishing device.

7. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the monitoring workstation is ground equipment, and the explosion-proof industrial ring network exchanger, the mining explosion-proof and intrinsic safety host, the temperature sensor, the temperature sensing cable, the thermal imaging wireless thermometer, the smoke sensor, the flame sensor, the carbon monoxide sensor, the dry powder pipeline electric ball valve, the fire extinguishing device electromagnetic valve, the dry powder fire extinguishing device and the pressure sensor are underground equipment.

8. The mine electromechanical chamber dry powder fire extinguishing monitoring system of claim 1, wherein: the electric ball valve of the dry powder pipeline is used for controlling the communication or closing between the dry powder extinguishing device and the dry powder pipeline;

the electromagnetic valve of the fire extinguishing device is used for controlling the opening or closing of the dry powder fire extinguishing device.