CN113833512B - Intelligent monitoring operation method and system for tunnel fire control - Google Patents
Intelligent monitoring operation method and system for tunnel fire control Download PDFInfo
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- CN113833512B CN113833512B CN202111286502.1A CN202111286502A CN113833512B CN 113833512 B CN113833512 B CN 113833512B CN 202111286502 A CN202111286502 A CN 202111286502A CN 113833512 B CN113833512 B CN 113833512B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
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- H05B1/023—Industrial applications
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Abstract
The invention provides an intelligent monitoring operation method and system for tunnel fire control, wherein the intelligent monitoring operation method comprises fire control boxes, fire control pipelines, fire control water tanks, fire control pump sets and remote terminals, each fire control box is provided with an analog ADAM module and a switch ADAM module, a fire control box opening and closing detection and illegal use alarm unit, a fire control equipment in-place detection and anti-theft alarm unit and a fire condition indication unit, the system is also provided with a fire control water tank liquid level detection unit, a fire control pump set remote control unit, a pipeline water leakage detection unit and a fire control electric tracing control unit, the switch ADAM modules and the analog ADAM modules are connected with a serial server, and the serial server is connected with a PLC module. The method solves the technical problems that the existing tunnel highway management mode needs to consume more manpower, is greatly influenced by human factors in supervision, is not timely for accident and emergency treatment, and has great potential safety hazard. The method can be widely applied to tunnel security systems.
Description
Technical Field
The invention relates to a tunnel security monitoring method and a system thereof, in particular to an intelligent monitoring operation method and a system thereof for tunnel fire protection.
Background
With the rapid development of the traffic industry, the number of highway tunnels is increased year by year as an important component of the highway, the construction technology is advanced with time, with the continuous expansion of the networked operation scale, the operation lines are continuously increased, the number and the types of operation equipment are greatly increased, the working pressure and the management requirement of equipment management are also improved, higher requirements are also put on the advancement, the safety and the reliability of the tunnels, and the modularization, the automation and the intelligent management become the demand trend.
In daily operation maintenance and management of highway tunnel, tunnel safety problem is not neglected, fire hazard is a major hidden danger in the tunnel safety, fire alarm means is single in the tunnel system at present, and the ability of automatic detection and alarm of fire is not possessed, after the condition of fire alarm occurs, the operation of facility needs manual operation, the daily maintenance of equipment mainly relies on personnel to examine regularly, the problem that the facility can not timely and automatic operation, maintenance interval is longer, work load is big under the condition of fire alarm has been caused, because the special environment of tunnel for hidden facilities such as electric heating belt can't obtain comprehensive maintenance, influence the safe and healthy operation of tunnel fire control facility.
Disclosure of Invention
Aiming at the technical problems that the existing tunnel highway management mode needs to consume more manpower, is greatly influenced by human factors, has lower inspection frequency, is difficult to treat accidents and emergency situations in time and has larger potential safety hazard, the invention provides an intelligent monitoring operation method and system for tunnel fire control, which integrates remote monitoring of fire conditions in a tunnel, in-place conditions of fire-fighting equipment, water leakage conditions of fire-fighting pipelines, fire-fighting water level monitoring and electric tracing band monitoring in the tunnel.
The intelligent monitoring operation system for tunnel fire protection comprises fire tanks, fire pipes, fire water tanks, fire pump sets and remote terminals, wherein the fire pump sets are used for communicating the fire water tanks with the fire pipes, each fire tank is provided with an analog ADAM module and a set of switching value ADAM module, a fire tank on-off detection and illegal use alarm unit, a fire equipment on-site detection and anti-theft alarm unit and a fire condition indication unit, the system is also provided with a fire water tank liquid level detection unit, a fire pump set remote control unit, a pipeline water leakage detection unit and a fire electric tracing control unit, the fire water tank on-off detection and illegal use alarm unit, a fire equipment on-site detection and anti-theft alarm unit, the fire water tank liquid level detection unit and the pipeline water leakage detection unit are connected with the switching value ADAM module, the fire pump set remote control unit and the fire electric tracing control unit are respectively connected with the switching value ADAM module and the analog ADAM module, the switching value ADAM module and the analog ADAM module are connected with a PLC (programmable logic controller) and the remote terminal;
The fire box opening and closing detection and illegal use alarm unit is used for monitoring the opening and closing state of the fire box door and sending an alarm signal when the illegal opening state is monitored; the fire-fighting equipment in-place detection and anti-theft alarm unit is used for monitoring whether the fire-fighting equipment in the fire-fighting box is in place or not, and sending an alarm signal when the fire-fighting equipment is out of place; the fire condition indicating unit is used for monitoring whether fire occurs in the tunnel or not, and timely feeding back fire information when the fire is monitored; the fire-fighting water tank liquid level detection unit is used for monitoring the water level in the fire-fighting water tank and avoiding potential safety hazards caused by too low water level to fire rescue; the fire pump set remote control unit is used for controlling the start and stop of the fire pump set according to the pressure condition of the fire pipeline; the pipeline water leakage detection unit is used for monitoring whether the fire-fighting pipeline has leakage or not in real time; the fire-fighting electric tracing control unit is used for controlling the switch of the electric tracing band by monitoring the temperature in the tunnel.
Preferably, the fire-fighting box opening and closing detection and illegal use alarm unit is provided with a door magnetic switch, the door magnetic switch is arranged on a door of the fire-fighting box, and the door magnetic switch is connected with the switching value ADAM module.
Preferably, the fire-fighting equipment in-place detection and anti-theft alarm unit is provided with a diffuse reflection sensor, the diffuse reflection sensor is arranged on the fire-fighting equipment in the fire-fighting box, each fire-fighting equipment is provided with a set of diffuse reflection sensor, the test range of the diffuse reflection sensor is adjustable, and the diffuse reflection sensor is connected with the switching value ADAM module.
Preferably, the fire condition indicating unit is provided with a temperature sensing grating and an indicator lamp, the temperature sensing grating is arranged at the top of the tunnel, the indicator lamp is arranged on a door plate of the fire fighting box, the temperature sensing grating is connected with the analog ADAM module, and the indicator lamp is connected with the switching value ADAM module.
Preferably, the fire-fighting water tank liquid level detection unit is provided with a static pressure input type liquid level sensor, the static pressure input type liquid level sensor is arranged in the fire-fighting water tank, and the static pressure input type liquid level sensor is connected with the switching value ADAM module.
Preferably, the fire pump set remote control unit is provided with a pressure sensor, the pressure sensor is arranged on the fire fighting pipeline, and the pressure sensor is connected with the analog ADAM module.
Preferably, the pipeline water leakage detection unit is provided with a water logging sensor, the water logging sensor is arranged at the interface of the fire-fighting pipeline, and the water logging sensor is connected with the switching value ADAM module.
Preferably, the fire-fighting electric tracing control unit is provided with a temperature sensor, the temperature sensor is arranged on the fire-fighting pipeline, and the temperature sensor is connected with the analog ADAM module.
An intelligent monitoring operation method for tunnel fire control is provided, a monitoring module is arranged on a remote terminal, and a worker takes corresponding measures by observing data of the monitoring module, and the method comprises the following specific steps:
(1) Numbering the positions of each fire box in the tunnel in advance, inputting the switching value ADAM module and the analog value ADAM module which are connected with the fire boxes in advance into the PLC module, and transmitting the numbering information to the remote terminal;
(2) The method comprises the steps that the opening and closing states of a fire box door are monitored through opening and closing detection of the fire box and illegal use of a door magnetic switch on an alarm unit, when the opening of the door is monitored, alarm information is sent out, the alarm information sequentially passes through an opening and closing ADAM module, a serial port server and a PLC module to reach a remote terminal, a worker obtains the alarm information from the remote terminal, and the opening state of the fire box is confirmed;
(3) Meanwhile, whether the fire-fighting equipment is in the fire-fighting box or not is monitored through a diffuse reflection sensor on the fire-fighting equipment in-place detection and anti-theft alarm unit, when the fire-fighting equipment is not in the fire-fighting box, the diffuse reflection sensor sends out alarm information, the alarm information sequentially passes through the switching value ADAM module, the serial port server and the PLC module to reach a remote terminal, and a worker acquires the alarm information from the remote terminal and confirms the state of the fire-fighting equipment;
(4) Meanwhile, the fire condition indicating unit monitors the temperature in the tunnel through the temperature sensing grating, the temperature sensing grating transmits temperature information to the PLC module, when the temperature is too high, the PLC module judges that the temperature is abnormal, the PLC module controls an indicating lamp on the fire fighting box to change from green to red and flash and highlight, and buzzes and alarms;
(5) Meanwhile, the fire-fighting water tank liquid level detection unit monitors the water level in the fire-fighting water tank through the static pressure input type liquid level sensor, and transmits water level signals to the switching value ADAM module and the PLC module in sequence, the PLC module is connected with the water supplementing pump, the water supplementing pump is communicated with the fire-fighting water tank, when the water level in the fire-fighting water tank is lower than a set value, the PLC module controls the water supplementing pump to start, and when the water level in the fire-fighting water tank is higher than the set value, the PLC module controls the water supplementing pump to stop working;
(6) Meanwhile, a fire pump set remote control unit monitors the pressure value on a fire pump set through a pressure sensor, and sequentially transmits pressure signals to an analog ADAM module, a PLC module and a remote terminal, when the pressure of the fire pump set is monitored to be lower than a set value, the pressure sensor feeds back an alarm signal to the remote terminal, and a worker in a central control room remotely and manually starts and stops the fire pump set by observing the pressure information of the remote terminal or starts the fire pump set by automatic linkage;
(7) Meanwhile, the pipeline water leakage detection unit monitors whether water leakage occurs at the interface of the fire-fighting pipeline through the water immersion sensor, and after the water immersion sensor detects leakage of the pipeline assembly, leakage signals are sequentially transmitted to the switching value ADAM module, the PLC module and the remote terminal, and workers receive the leakage signals through the remote terminal to perform corresponding treatment;
(8) Meanwhile, the fire-fighting electric tracing control unit monitors the temperature in the tunnel through a temperature sensor arranged on the fire-fighting pipeline, transmits the measured temperature value to the analog ADAM module and the PLC module at one time, and compares the measured temperature with a preset temperature value through the PLC module to determine whether to start heating.
The invention has the advantages that,
(1) According to the application, by integrating remote monitoring of fire conditions in the tunnel, on-site conditions of fire-fighting equipment, water leakage conditions of a fire-fighting pipeline, fire-fighting water level monitoring and monitoring of electric tracing states in the tunnel, the fire-fighting states in the tunnel can be known through a remote terminal in a control room, joint defense linkage can be performed, information transmission is rapid and accurate, the fire safety and reliability of the tunnel are greatly improved, loss caused by fire conditions can be reduced to the greatest extent, and the method has extremely high popularization value;
(2) By arranging the fire-fighting box opening and closing detection and illegal use alarm unit and the fire-fighting equipment in-place detection and anti-theft alarm unit, whether the fire-fighting box door is opened illegally or not can be monitored in real time, the fire-fighting equipment is ensured to be in place, the fire-fighting equipment can respond quickly when a fire disaster is prepared, and adverse effects caused by illegal operation are avoided;
(3) By arranging the fire condition indicating unit, when a fire accident occurs, the device can carry out high-efficiency rescue, provide nearest emergency evacuation identification indication for personnel in a tunnel when the fire occurs, and furthest reduce fire loss;
(4) The fire pump set can be timely regulated and controlled to be on or off according to the water quantity in the fire water tank and the pressure state on the fire pipeline by arranging the fire water tank liquid level detection unit and the fire pump set remote control unit, so that the degree of automation is high; the water immersion sensor is further arranged at the interface of the fire-fighting pipeline, so that the pipeline leakage information can be timely obtained without manual on-site inspection, the fitter can timely check the pipeline leakage information, the reaction is quicker, and the labor is saved;
(5) Through setting up fire control electric tracing control unit, can be according to actual demand to electric tracing area partition heating, reach energy saving and consumption reduction's effect to can also monitor whether electric tracing area normally works, in time overhaul the trouble, avoid the energy waste that leads to because the invalid heating that electric tracing area trouble led to causes.
Drawings
FIG. 1 is a schematic diagram of a system module according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to examples.
As shown in fig. 1, the intelligent monitoring operation system for tunnel fire control comprises a fire-fighting box, a fire-fighting pipeline, a fire-fighting water pool, a fire-fighting pump set and a remote terminal, wherein the fire-fighting box is respectively installed on the inner walls of two sides of a tunnel, and the fire-fighting pump set is used for communicating the fire-fighting water pool with the fire-fighting pipeline. The system comprises a fire-fighting box opening and closing detection and illegal use alarm unit, a fire-fighting equipment in-place detection and anti-theft alarm unit, a fire-fighting water tank liquid level detection unit, a fire pump set remote control unit, a pipeline water leakage detection unit, a fire-fighting electric tracing control unit, a fire situation indication unit, a serial port server and a PLC module, wherein each fire-fighting box is provided with a set of switching value ADAM module and an analog value ADAM module, the fire-fighting box opening and closing detection and illegal use alarm unit, the fire-fighting equipment in-place detection and anti-theft alarm unit and the fire situation indication unit, the fire-fighting box opening and closing detection and illegal use alarm unit, the fire-fighting equipment in-place detection and anti-theft alarm unit, the fire-fighting water tank liquid level detection unit and the pipeline water leakage detection unit are connected with the switching value ADAM module, the fire pump set remote control unit, the fire-fighting electric tracing control unit and the analog value ADAM module are connected, the fire situation indication unit is connected with the switching value ADAM module and the analog value ADAM module respectively, the switching value ADAM module and the analog value ADAM module are connected with the serial port server, and the PLC module is connected with the remote terminal.
The fire box opening and closing detection and illegal use alarm unit is used for monitoring the opening and closing state of the fire box door and sending an alarm signal when the illegal opening state is monitored; the fire-fighting equipment in-place detection and anti-theft alarm unit is used for monitoring whether the fire-fighting equipment in the fire-fighting box is in place or not, and sending an alarm signal when the fire-fighting equipment is out of place; the fire condition indicating unit is used for monitoring whether fire occurs in the tunnel or not, and timely feeding back fire information when the fire is monitored; the fire-fighting water tank liquid level detection unit is used for monitoring the water level in the fire-fighting water tank, so that potential safety hazards caused by too low water level to fire rescue are avoided; the fire pump set remote control unit is used for controlling the start and stop of the fire pump set according to the pressure condition of the fire pipeline; the pipeline water leakage detection unit is used for monitoring whether the fire-fighting pipeline has leakage or not in real time; the fire-fighting electric tracing control unit is used for controlling the switch of the electric tracing band by monitoring the temperature in the tunnel.
The fire box opening and closing detection and illegal use alarm unit is provided with a door magnetic switch, the door magnetic switch is arranged on a door of the fire box, a door opening and closing signal can be monitored under the condition that a door is not normally opened and closed through the door magnetic switch, whether the door is normally opened or not is judged through the PLC module, if the door is normally opened, alarm information is sent, the door magnetic switch state and the alarm information are transmitted to the switching value ADAM module, the door magnetic switch is further transmitted to the remote terminal, and staff in a central control room acquire related information through the remote terminal and take corresponding measures.
The fire-fighting equipment in-place detection and anti-theft alarm unit is provided with diffuse reflection sensors, the diffuse reflection sensors are arranged on the fire-fighting equipment in the fire-fighting box, each fire-fighting equipment is provided with one set of diffuse reflection sensor, the testing range of the diffuse reflection sensors is adjustable, when the fire-fighting equipment at the position is detected to be in or out of position, the corresponding diffuse reflection sensors can output different state values and transmit the state values to the switching value ADAM module, the fire-fighting equipment is taken under the condition of no alarm, and finally a signal is transmitted into the remote terminal.
The fire condition indicating unit is provided with a temperature sensing grating and an indicating lamp, the temperature sensing grating is connected with the analog ADAM module, and the indicating lamp is connected with the switching value ADAM module. The temperature sensing grating is established at the tunnel top, and the pilot lamp is established on the door plant of fire box, and the pilot lamp shows green sign under the normal condition, if the fire accident happens, after the temperature sensing grating at tunnel top passes through analog ADAM module transfer to PLC module with the temperature of detecting, judge the temperature anomaly by the PLC module, the pilot lamp is changed red and twinkling to highlight by the green, and buzzing warning. Meanwhile, the PLC module can automatically find the fire box closest to the accident occurrence place through a logic algorithm according to the tunnel pile number, so that the timeliness of rescue is effectively improved. The emergency evacuation device is characterized in that emergency evacuation marks are further arranged on the inner wall of the tunnel, information plates are arranged in the tunnel and outside the tunnel, information controllers are connected to the information plates, the emergency evacuation marks and the information controllers are respectively connected with the PLC module, when a fire disaster occurs, the emergency evacuation device can be controlled by the PLC module to intelligently prompt the nearest evacuation indication direction, and the information plates in the tunnel and the information plates outside the tunnel are linked to prompt fire related information to prompt nearby vehicles for evacuation indication.
The fire water tank liquid level detection unit is provided with a static pressure input type liquid level sensor, the static pressure input type liquid level sensor is arranged in the fire water tank, 4-20mA analog quantity signals are output, the signals are transmitted to the switching value ADAM module for processing, then the signals are connected to the PLC module, the PLC module realizes the functions of low-level automatic starting and high-level automatic stopping through a logic algorithm, and the PLC module can be used for setting the lowest-level alarm, and the alarm function is triggered when the water level is too low, so that the water shortage protection is realized. The fire-fighting water tank is also provided with a water drain valve, when the water level in the fire-fighting water tank exceeds a limiting value, the water drain valve can be automatically opened to drain water to the drainage ditch, and when the water level is reduced to a set value, the water drain valve is automatically closed. The fire-fighting equipment in the fire-fighting box comprises a dry powder fire extinguisher, a water film forming fire extinguishing device, a direct current water gun and the like, and a liquid level sensor is also arranged on the water film forming foam fire extinguishing device and is used for detecting the liquid level of foam in the water film forming foam fire extinguishing device, and when the liquid level is lower than a limiting value, the liquid level is automatically alarmed and prompted to remind workers of timely treatment.
The fire pump set remote control unit is provided with a pressure sensor, the pressure sensor is arranged on a fire pipeline, the measuring range of the pressure sensor is 0-2.4Mpa, 4-20mA signals can be output and transmitted to the analog ADAM module for processing, and the processed pressure information is further transmitted to the PLC module and the remote terminal. When the pressure of the main pipeline is monitored to be lower than a set value, the pressure sensor feeds back an alarm signal to the remote terminal, and a worker in the central control room remotely and manually starts and stops the fire pump set by observing the pressure information of the remote terminal or starts the fire pump set by automatic linkage. The remote terminal can display the starting, stopping and fault information of the fire pump unit in the operation process of the fire pump unit, and can remotely operate the main/standby pump to select and automatically switch each other in fault. The fire pump house is internally provided with the monitoring module, so that video monitoring and illegal intrusion alarm can be realized, and the remote terminal can call monitoring in real time.
The pipeline water leakage detection unit is provided with a water sensor, the water sensor is arranged at the joint of the fire-fighting pipeline and is connected with the switching value ADAM module, the SJ-24V water sensor is mainly arranged at the positions of the pipeline connecting piece, the bolt head, the valve and the like, after the water sensor detects leakage of the pipeline assembly, an alarm signal is fed back to the remote terminal, workers are prompted to process and associate corresponding task management units, and the pipeline water leakage monitoring function is realized.
The fire-fighting electric tracing control unit is provided with a temperature sensor and a current sensor, the temperature sensor is arranged on the fire-fighting pipeline, the current sensor is arranged on the electric tracing band, and the temperature sensor and the current sensor are both connected with the analog ADAM module. In the embodiment, a PT100 temperature sensor is adopted, an analog quantity signal is output, the signal is transmitted to an analog quantity ADAM module for processing, and is further transmitted to a remote terminal through a PLC module, and staff in a central control room monitor the temperature state through the remote terminal. When the feedback value of the PT100 temperature sensor is lower than a preset threshold value, the electric tracing band power supply unit is automatically started, heating is started after the electric tracing band is started, and constant temperature is started after the electric tracing band is heated to the required temperature. The current sensor is used for monitoring the current value passing through the electric tracing band and judging whether the electric tracing band is good or bad, if no current value is output, the electric tracing band is proved to be bad, maintenance is needed, an alarm can be sent, personnel are prompted to go to maintenance, and the inspection function is realized. The specific configuration is as follows: and a current sensor is arranged on each electric tracing band, the current value is detected by the current sensor, the starting current and the steady-state current normal value of the electric tracing band preset in the PLC module are compared, when the electric tracing band current does not accord with the preset value, an alarm is given, the positioning function is realized through the address input in advance in the PLC module and the serial number of the electric tracing band, and the automatic protection can be realized through setting the overcurrent value and the overheat value data in the PLC module. The temperature sensor comprises an ambient temperature sensor and a pipeline temperature sensor, wherein the ambient temperature sensor is arranged in a tunnel and used for monitoring the ambient temperature in the tunnel, the tunnel is internally divided into areas according to the length, each area is provided with an ambient temperature sensor and used for monitoring the temperature of different areas, and whether an electric tracing band of the area is started or not is determined according to the actual temperature of the area, so that the effects of energy conservation and electricity saving are realized; the pipeline temperature sensor is arranged on the pipe wall of the fire-fighting pipeline and is used for monitoring the temperature of the fire-fighting pipeline. Through setting up ambient temperature sensor and pipeline temperature sensor respectively, remote terminal sets for ambient temperature threshold value, ambient temperature sensor monitors tunnel ring border temperature to with temperature transfer to the PLC module, start switch when the temperature is less than the settlement threshold value, electric tracing area begins work, and when the temperature reaches the threshold value upper limit, the off-power, electric tracing area stop work can realize partition control, reaches energy saving and consumption reduction's effect.
An intelligent monitoring operation method for tunnel fire control is provided, a monitoring module is arranged on a remote terminal, and a worker takes corresponding measures by observing data of the monitoring module, and the method comprises the following specific steps:
(1) Numbering the positions of each fire box in the tunnel in advance, inputting the switching value ADAM module and the analog value ADAM module which are connected with the fire boxes in advance into the PLC module, and transmitting the numbering information to the remote terminal;
(2) The method comprises the steps that the opening and closing states of a fire box door are monitored through opening and closing detection of the fire box and illegal use of a door magnetic switch on an alarm unit, when the opening of the door is monitored, alarm information is sent out, the alarm information sequentially passes through an opening and closing ADAM module, a serial port server and a PLC module to reach a remote terminal, a worker obtains the alarm information from the remote terminal, and the opening state of the fire box is confirmed;
(3) Meanwhile, whether the fire-fighting equipment is in the fire-fighting box or not is monitored through a diffuse reflection sensor on the fire-fighting equipment in-place detection and anti-theft alarm unit, when the fire-fighting equipment is not in the fire-fighting box, the diffuse reflection sensor sends out alarm information, the alarm information sequentially passes through the switching value ADAM module, the serial port server and the PLC module to reach a remote terminal, and a worker acquires the alarm information from the remote terminal and confirms the state of the fire-fighting equipment;
(4) Meanwhile, the fire condition indicating unit monitors the temperature in the tunnel through the temperature sensing grating, the temperature sensing grating transmits temperature information to the PLC module, when the temperature is too high, the PLC module judges that the temperature is abnormal, the PLC module controls an indicating lamp on the fire fighting box to change from green to red and flash and highlight, and buzzes and alarms;
(5) Meanwhile, the fire-fighting water tank liquid level detection unit monitors the water level in the fire-fighting water tank through the static pressure input type liquid level sensor, and transmits water level signals to the switching value ADAM module and the PLC module in sequence, the PLC module is connected with the water supplementing pump, the water supplementing pump is communicated with the fire-fighting water tank, when the water level in the fire-fighting water tank is lower than a set value, the PLC module controls the water supplementing pump to start, and when the water level in the fire-fighting water tank is higher than the set value, the PLC module controls the water supplementing pump to stop working;
(6) Meanwhile, a fire pump set remote control unit monitors the pressure value on a fire pump set through a pressure sensor, and sequentially transmits pressure signals to an analog ADAM module, a PLC module and a remote terminal, when the pressure of the fire pump set is monitored to be lower than a set value, the pressure sensor feeds back an alarm signal to the remote terminal, and a worker in a central control room remotely and manually starts and stops the fire pump set by observing the pressure information of the remote terminal or starts the fire pump set by automatic linkage;
(7) Meanwhile, the pipeline water leakage detection unit monitors whether water leakage occurs at the interface of the fire-fighting pipeline through the water immersion sensor, and after the water immersion sensor detects leakage of the pipeline assembly, leakage signals are sequentially transmitted to the switching value ADAM module, the PLC module and the remote terminal, and workers receive the leakage signals through the remote terminal to perform corresponding treatment;
(8) Meanwhile, the fire-fighting electric tracing control unit monitors the temperature in the tunnel through a temperature sensor arranged on the fire-fighting pipeline, transmits the measured temperature value to the analog ADAM module and the PLC module at one time, and compares the measured temperature with a preset temperature value through the PLC module to determine whether to start heating.
The system adopts an RS485 bus, an analog ADAM module and a switching value ADAM module are connected to a serial port server, RS485 is converted into Ethernet, and the Ethernet is directly converted into an optical fiber to be transmitted to a sub-control room monitoring computer of a remote terminal through photoelectric conversion. The monitoring software is installed on the monitoring computer of the sub-control room, so that the functions of monitoring the real-time data collected on site, dynamically displaying, parameter alarming, data storage, historical inquiry, analysis, data export and the like are realized, and the requirements of centralized monitoring and management of the on-site fire-fighting equipment are met. The system collects alarm and state information of each fire-fighting equipment in real time, the alarm and state information is transmitted to a remote terminal through an information network channel, workers can realize centralized monitoring, alarm and fault site linkage of the fire-fighting equipment in a class of the remote terminal, an interface function of docking with an external system is reserved in the system, and the requirements of operation of a centralized monitoring system and emergency linkage are met to the greatest extent.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.
Claims (7)
1. The intelligent monitoring operation system for tunnel fire control is characterized by comprising fire control boxes, fire control pipelines, fire control pools, fire control pump sets and remote terminals, wherein the fire control pump sets are used for communicating the fire control pools with the fire control pipelines, each fire control box is provided with an analog ADAM module and a set of switching value ADAM module, a fire control box opening and closing detection and illegal use alarm unit, a fire control equipment on-site detection and anti-theft alarm unit and a fire condition indication unit, the system is also provided with a fire control pool liquid level detection unit, a fire control pump set remote control unit, a pipeline water leakage detection unit and a fire control electric tracing control unit, the fire control box opening and closing detection and illegal use alarm unit, a fire control equipment on-site detection and anti-theft alarm unit, the fire control pool liquid level detection unit and the pipeline water leakage detection unit are connected with the switching value ADAM module, the fire control remote control unit and the analog ADAM module are respectively connected with the switching value ADAM module and the analog ADAM module, the switching value ADAM module and the analog ADAM module are connected with the PLC, and the PLC is connected with the remote terminal;
The fire box opening and closing detection and illegal use alarm unit is used for monitoring the opening and closing state of the fire box door and sending an alarm signal when the illegal opening state is monitored; the fire-fighting equipment in-place detection and anti-theft alarm unit is used for monitoring whether the fire-fighting equipment in the fire-fighting box is in place or not, and sending an alarm signal when the fire-fighting equipment is out of place; the fire condition indicating unit is used for monitoring whether fire occurs in the tunnel or not, and timely feeding back fire information when the fire is monitored; the fire-fighting water tank liquid level detection unit is used for monitoring the water level in the fire-fighting water tank and avoiding potential safety hazards caused by too low water level to fire rescue; the fire pump set remote control unit is used for controlling the start and stop of the fire pump set according to the pressure condition of the fire pipeline; the pipeline water leakage detection unit is used for monitoring whether the fire-fighting pipeline has leakage or not in real time; the fire-fighting electric tracing control unit is used for controlling the switch of the electric tracing band by monitoring the temperature in the tunnel;
The fire-fighting equipment in-place detection and anti-theft alarm unit is provided with a diffuse reflection sensor, the diffuse reflection sensor is arranged on the fire-fighting equipment in the fire-fighting box, each fire-fighting equipment is provided with a set of diffuse reflection sensor, the test range of the diffuse reflection sensor is adjustable, and the diffuse reflection sensor is connected with the switching value ADAM module;
The fire disaster condition indicating unit is provided with a temperature sensing grating and an indicator lamp, the temperature sensing grating is arranged at the top of the tunnel, the indicator lamp is arranged on a door plate of the fire fighting box, the temperature sensing grating is connected with the analog ADAM module, and the indicator lamp is connected with the switching value ADAM module.
2. The intelligent monitoring operation system for tunnel fire control according to claim 1, wherein the fire box opening and closing detection and illegal use alarm unit is provided with a door magnetic switch, the door magnetic switch is arranged on a door of the fire box, and the door magnetic switch is connected with the switching value ADAM module.
3. The intelligent monitoring operation system for tunnel fire control according to claim 1, wherein the fire-fighting water tank liquid level detection unit is provided with a static pressure input type liquid level sensor, the static pressure input type liquid level sensor is arranged in the fire-fighting water tank, and the static pressure input type liquid level sensor is connected with the switching value ADAM module.
4. The intelligent monitoring operation system for tunnel fire control according to claim 1, wherein the fire pump set remote control unit is provided with a pressure sensor, the pressure sensor is arranged on the fire control pipeline, and the pressure sensor is connected with the analog ADAM module.
5. The intelligent monitoring operation system for tunnel fire control according to claim 1, wherein the pipeline water leakage detection unit is provided with a water sensor, the water sensor is arranged at an interface of the fire control pipeline, and the water sensor is connected with the switching value ADAM module.
6. The intelligent monitoring operation system for tunnel fire control according to claim 1, wherein a temperature sensor is arranged on the fire-fighting electric tracing control unit, the temperature sensor is arranged on the fire-fighting pipeline, and the temperature sensor is connected with the analog ADAM module.
7. An intelligent monitoring operation method for tunnel fire protection according to any one of claims 1-6, characterized in that a monitoring module is arranged on a remote terminal, and a worker takes corresponding measures by observing the data of the monitoring module, and the specific steps are as follows:
(1) Numbering the positions of each fire box in the tunnel in advance, inputting the switching value ADAM module and the analog value ADAM module which are connected with the fire boxes in advance into the PLC module, and transmitting the numbering information to the remote terminal;
(2) The method comprises the steps that the opening and closing states of a fire box door are monitored through opening and closing detection of the fire box and illegal use of a door magnetic switch on an alarm unit, when the opening of the door is monitored, alarm information is sent out, the alarm information sequentially passes through an opening and closing ADAM module, a serial port server and a PLC module to reach a remote terminal, a worker obtains the alarm information from the remote terminal, and the opening state of the fire box is confirmed;
(3) Meanwhile, whether the fire-fighting equipment is in the fire-fighting box or not is monitored through a diffuse reflection sensor on the fire-fighting equipment in-place detection and anti-theft alarm unit, when the fire-fighting equipment is not in the fire-fighting box, the diffuse reflection sensor sends out alarm information, the alarm information sequentially passes through the switching value ADAM module, the serial port server and the PLC module to reach a remote terminal, and a worker acquires the alarm information from the remote terminal and confirms the state of the fire-fighting equipment;
(4) Meanwhile, the fire condition indicating unit monitors the temperature in the tunnel through the temperature sensing grating, the temperature sensing grating transmits temperature information to the PLC module, when the temperature is too high, the PLC module judges that the temperature is abnormal, the PLC module controls an indicating lamp on the fire fighting box to change from green to red and flash and highlight, and buzzes and alarms;
(5) Meanwhile, the fire-fighting water tank liquid level detection unit monitors the water level in the fire-fighting water tank through the static pressure input type liquid level sensor, and transmits water level signals to the switching value ADAM module and the PLC module in sequence, the PLC module is connected with the water supplementing pump, the water supplementing pump is communicated with the fire-fighting water tank, when the water level in the fire-fighting water tank is lower than a set value, the PLC module controls the water supplementing pump to start, and when the water level in the fire-fighting water tank is higher than the set value, the PLC module controls the water supplementing pump to stop working;
(6) Meanwhile, a fire pump set remote control unit monitors the pressure value on a fire pump set through a pressure sensor, and sequentially transmits pressure signals to an analog ADAM module, a PLC module and a remote terminal, when the pressure of the fire pump set is monitored to be lower than a set value, the pressure sensor feeds back an alarm signal to the remote terminal, and a worker in a central control room remotely and manually starts and stops the fire pump set by observing the pressure information of the remote terminal or starts the fire pump set by automatic linkage;
(7) Meanwhile, the pipeline water leakage detection unit monitors whether water leakage occurs at the interface of the fire-fighting pipeline through the water immersion sensor, and after the water immersion sensor detects leakage of the pipeline assembly, leakage signals are sequentially transmitted to the switching value ADAM module, the PLC module and the remote terminal, and workers receive the leakage signals through the remote terminal to perform corresponding treatment;
(8) Meanwhile, the fire-fighting electric tracing control unit monitors the temperature in the tunnel through a temperature sensor arranged on the fire-fighting pipeline, transmits the measured temperature value to the analog ADAM module and the PLC module at one time, and compares the measured temperature with a preset temperature value through the PLC module to determine whether to start heating.
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| CN114870316A (en) * | 2022-06-08 | 2022-08-09 | 山东高速建设管理集团有限公司 | Intelligent monitoring device and method for fire fighting pipeline in tunnel based on distributed optical fiber |
| CN115046678A (en) * | 2022-08-15 | 2022-09-13 | 山东金宇信息科技集团有限公司 | Method and device for monitoring pressure of fire fighting pipeline in tunnel and storage medium |
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