An information collection system for the fire water extinguishing system of a railway tunnel

Abstract

The present invention discloses an information acquisition system for a railway tunnel fire-fighting water extinguishing system, comprising: a remote monitoring terminal, a main device and a plurality of sub-devices; each sub-device is respectively communicatively connected to the tunnel fire-fighting water extinguishing system, and is used for acquiring the status information of the corresponding fire-fighting facilities collected by the corresponding sensors in the tunnel fire-fighting water extinguishing system; the main device is communicatively connected to each sub-device through a two-wire bus, and is used for summarizing and analyzing the status information obtained by each sub-device; the remote monitoring terminal is communicatively connected to the main device through a wireless network, and is used for acquiring the status information analyzed and processed by the main device. The present invention can realize real-time and comprehensive monitoring of the complex tunnel site, and improve the risk early warning and disposal efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of fire protection, and more particularly to an information acquisition system for a railway tunnel fire water extinguishing system. Background Art

[0002] With the booming development of road tunnels, the resulting traffic accidents and tunnel fires are becoming more and more frequent. When a fire occurs in a tunnel, affected by the air flow, it spreads rapidly and is prone to flashover. At the same time, due to the airtight characteristics of the carriages and the long and narrow space of the tunnel, not only is incomplete combustion likely to occur, resulting in a high concentration of harmful gases, but also the exhaust or smoke exhaust is difficult, and it is not easy to evacuate people. Therefore, a large number of casualties and property losses will be caused.

[0003] For the existing tunnel fire water extinguishing system, it is necessary for staff to conduct regular inspections, which not only consumes a large amount of manpower, material resources and financial resources, but also cannot collect and monitor the operating status of the fire protection system in real time.

[0004] Therefore, how to provide a railway tunnel fire protection information acquisition system that can collect and monitor the tunnel fire water extinguishing system in real time is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, the present invention provides an information acquisition system for a railway tunnel fire water extinguishing system, which can realize real-time and comprehensive monitoring of the complex tunnel site and improve the risk warning and disposal efficiency.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An information acquisition system for a railway tunnel fire water extinguishing system, comprising: a remote monitoring terminal, a main device and a plurality of sub-devices; each of the sub-devices is respectively communicatively connected to the tunnel fire water extinguishing system, and is used for obtaining the status information of the corresponding fire protection facilities collected by the corresponding sensors pre-installed in the railway tunnel; the main device is communicatively connected to each of the sub-devices through a two-wire bus, and is used for summarizing and analyzing the status information obtained by each of the sub-devices; the remote monitoring terminal is communicatively connected to the main device through a wireless network, and is used for obtaining the status information analyzed and processed by the main device.

[0008] Preferably, in the above information acquisition system of a railway tunnel fire fighting water extinguishing system, the sub-device includes a sub-control module, and a power acquisition module, a first communication module, a first digital quantity acquisition module, and a first analog quantity acquisition module that are electrically connected to the sub-control module respectively; wherein, the first communication module is connected to the two-wire bus; the power acquisition module is used to acquire power from the two-wire bus and supply power to the first communication module, the first digital quantity acquisition module, the first analog quantity acquisition module, and the sub-control module; the first digital quantity acquisition module and the first analog quantity acquisition module are respectively in communication connection with corresponding sensors in the tunnel fire fighting water extinguishing system; the sub-control module is used to periodically control the first digital quantity acquisition module to acquire the digital quantity status information of the corresponding sensor and temporarily store it, and / or periodically control the first analog quantity acquisition module to acquire the analog quantity status information of the corresponding sensor and temporarily store it.

[0009] Preferably, in the above information acquisition system of a railway tunnel fire fighting water extinguishing system, the main device includes a main control module, and a power supply module, a switch quantity control module, a storage module, a second communication module, and a network communication module that are electrically connected to the main control module respectively; wherein, the second communication module is connected to the two-wire bus; the main control module communicates with each sub-control module through the second communication module, the two-wire bus, and the first communication module, and communicates with the remote monitoring terminal through the network communication module; the power supply module supplies power to the main control module, the switch quantity control module, the storage module, the second communication module, and the network communication module respectively.

[0010] Preferably, in the above information acquisition system of a railway tunnel fire fighting water extinguishing system, the main device further includes a second digital quantity acquisition module and a second analog quantity acquisition module that are electrically connected to the main control module respectively; the second digital quantity acquisition module and the second analog quantity acquisition module are respectively in communication connection with corresponding sensors in the tunnel fire fighting water extinguishing system.

[0011] Preferably, in the above information acquisition system of a railway tunnel fire fighting water extinguishing system, the main device further includes an extended communication module that is electrically connected to the main control module; the extended communication module has multiple communication interfaces, and each communication interface is respectively in communication connection with other devices; the other devices at least include an electric meter, a liquid level sensor, and a pressure transmitter.

[0012] Preferably, in the above information acquisition system of a railway tunnel fire fighting water extinguishing system, the power supply mode of the power supply module is any one of industrial frequency alternating current, an external power supply module, a battery, and a generator.

[0013] Preferably, in the above-mentioned information acquisition system of the railway tunnel fire water fire extinguishing system, the switch quantity control module is any one of a magnetic holding relay, a solid-state relay and a transistor switch circuit, which is used to remotely control the opening and closing actions of the multi-way switches in the tunnel fire water fire extinguishing system.

[0014] Preferably, in the above-mentioned information collection system of the railway tunnel fire water fire extinguishing system, the storage module is used to store the summarized status information of the tunnel fire water fire extinguishing system through any one of the storage schemes including hard disk, SD card and FLASH+EEPROM.

[0015] Preferably, in the above-mentioned information acquisition system of the railway tunnel fire water fire extinguishing system, the main device also includes an image acquisition module; the image acquisition module is used to collect image information of corresponding fire-fighting facilities in the tunnel fire water fire extinguishing system, and transmit the image information to the main control module.

[0016] Preferably, in the above-mentioned information collection system of the railway tunnel fire water extinguishing system, the communication method between the main device and each of the sub-devices is any one of P-BUS, M-BUS, RS485, RS232, CAN, Bluetooth, micro-power wireless or WIFI.

[0017] It can be seen from the above technical solution that, compared with the prior art, the present invention discloses an information collection system for a railway tunnel fire water fire extinguishing system, which collects status information of different fire-fighting facilities in the fire-fighting system in the tunnel by region or type through multiple sub-devices, and the main device periodically communicates with the sub-devices on the same bus in turn, obtains the fire-fighting status information collected by each sub-device, and summarizes, analyzes, processes, stores and transmits it. It can not only monitor the fire-fighting facilities in various locations in the narrow and long tunnel in real time and uniformly, but also send the fire-fighting status to the remote control terminal through the network, so as to give early warning of dangerous situations, enable maintenance personnel to promptly repair and maintain dangerous facilities, avoid casualties and reduce property losses, and improve the risk warning speed and risk disposal efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0019] Figure 1 The accompanying drawing is a schematic structural diagram of an information collection system for a railway tunnel fire water extinguishing system provided by the present invention;

[0020] Figure 2 The attached drawing is a schematic connection diagram of the main device and each sub-device provided by the present invention;

[0021] Figure 3 The attached drawing is a structural block diagram of the sub-device provided by the present invention;

[0022] Figure 4 The attached drawing is a structural block diagram of the main device provided by the present invention. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] As Figure 1-2 shown, the embodiment of the present invention discloses an information acquisition system for a railway tunnel fire fighting water extinguishing system, including: a remote monitoring terminal, a main device, and a plurality of sub-devices; each sub-device is respectively communicatively connected to the tunnel fire fighting water extinguishing system, and is used to obtain the status information of the corresponding fire fighting facilities collected by the corresponding sensors pre-installed in the railway tunnel; the main device is communicatively connected to each sub-device through a two-wire bus, and is used to summarize and analyze the status information obtained by each sub-device; the remote monitoring terminal is communicatively connected to the main device through a wireless network, and is used to obtain the status information analyzed and processed by the main device.

[0025] Specifically, as Figure 3 shown, the sub-device includes a sub-control module, and a power supply module, a first communication module, a first digital quantity acquisition module, and a first analog quantity acquisition module that are respectively electrically connected to the sub-control module; wherein, the first communication module is connected to the two-wire bus; the power supply module is used to draw power from the two-wire bus and supply power to the first communication module, the first digital quantity acquisition module, the first analog quantity acquisition module, and the sub-control module; the first digital quantity acquisition module and the first analog quantity acquisition module are respectively communicatively connected to the corresponding sensors in the tunnel fire fighting water extinguishing system; the sub-control module is used to periodically control the first digital quantity acquisition module to collect the digital quantity status information of the corresponding sensors and temporarily store it, and / or periodically control the first analog quantity acquisition module to collect the analog quantity status information of the corresponding sensors and temporarily store it. The first digital quantity acquisition module in the sub-device collects the status information of related equipment in the tunnel fire fighting water extinguishing system, such as the opening and closing status of the box door, etc.; the analog quantity collects the information collected by the liquid level sensor and the pressure transmitter in the tunnel fire fighting water extinguishing system.

[0026] Among them, the power-taking module is used to take power from the two-wire bus to provide electrical energy for each module of the sub-device; the first communication module realizes communication between the sub-control module and the main device through the two-wire bus; the first digital quantity acquisition module is used to acquire multiple digital quantity signals; the first analog quantity acquisition module is used to acquire analog signals; the specific working process is as follows: After power-on, the power-taking module provides electrical energy for each module to ensure that each module can work normally. The sub-control module starts 3 tasks. Task 1 is responsible for periodically obtaining the digital quantity status information collected by the first digital quantity acquisition module and temporarily storing it; Task 2 is responsible for periodically obtaining the analog quantity information collected by the first analog quantity acquisition module and temporarily storing it; Task 3 monitors whether there is communication content from the main device in the first communication module. If so, it analyzes the communication content of the main device and sends the currently temporarily stored digital quantity, analog quantity information, and device parameter information to the main device according to the communication requirements.

[0027] As Figure 4 shown, the main device includes a main control module, and a power supply module, a digital quantity control module, a storage module, a second communication module, and a network communication module that are respectively electrically connected to the main control module; among them, the second communication module is connected to the two-wire bus; the main control module communicates with each sub-control module through the second communication module, the two-wire bus, and the first communication module, and communicates with the remote monitoring terminal through the network communication module; the power supply module supplies power to the main control module, the digital quantity control module, the storage module, the second communication module, and the network communication module respectively. In this embodiment, the network communication module adopts RJ45 standard Ethernet, GPRS, telephone line, WIFI, RS485, etc.

[0028] Among them, the power supply module uses industrial frequency alternating current input and outputs multiple voltages to meet the requirements of other modules for the power supply voltage and ensure the normal operation of each module; the main control module can perform data remote transmission, remote control, and configuration through the network communication module; the digital quantity control module is used to control multiple switches; the storage module is used to store the collected data and save the configuration parameters of the device; the main control module is used to coordinate the work of each module and realize the function of fire information collection.

[0029] The specific working process is as follows: After power-on, the power supply module works to provide electrical energy for other modules in the main device to ensure the normal operation of each module; the main control module starts multiple tasks:

[0030] Task 1 is responsible for periodically checking the control command through the digital quantity control module and operating the switch to perform corresponding opening and closing actions;

[0031] Task 2 is responsible for periodically communicating with all sub-devices on the same bus through the second communication module and obtaining the data collected by the sub-devices;

[0032] Task 3 is responsible for periodically performing the operation of storing the collected information through the storage module;

[0033] Task 4 is responsible for checking the communication requests on the other two extended communication modules. If there is a communication request, check its content and provide the corresponding data and information as required;

[0034] Task 5 is responsible for checking network communication requests and providing web services and TCP communication services;

[0035] Task 6 is responsible for clock running and anomaly monitoring. The clock running is achieved through network calibration, and the anomaly monitoring is based on the change of the status information of each signal acquisition channel to achieve anomaly monitoring.

[0036] When the digital quantity signal of the sub-device changes or the analog quantity signal reaches the preset warning value, it is reported to the main device as an abnormal signal through the bus communication method.

[0037] In one embodiment, the main device further includes a second digital quantity acquisition module and a second analog quantity acquisition module respectively electrically connected to the main control module; the second digital quantity acquisition module and the second analog quantity acquisition module are respectively communicatively connected to the corresponding sensors in the tunnel fire-fighting water extinguishing system. The second digital quantity acquisition module is used to acquire multiple digital quantities; the second analog quantity acquisition module is used to acquire multiple analog quantities; after power-on, the main control module performs the following tasks: being responsible for periodically acquiring and storing the digital quantity information of the second digital quantity module; being responsible for periodically acquiring and storing the analog quantity information of the second analog quantity module. The information collected by the second digital quantity acquisition module in the main device is the information such as the water flow indicator or the opening and closing state of the valve in the tunnel fire-fighting water extinguishing system; the information collected by the second analog quantity acquisition module is the information of the pressure transmitter in the pump room, the information of the liquid level sensor of the high-level water tank or pool, and the electrical quantities such as voltage, current, and active power of the pump control cabinet.

[0038] In other embodiments, the main device further includes an extended communication module electrically connected to the main control module; the extended communication module has multiple communication interfaces, and each communication interface is respectively communicatively connected to other devices; the other devices at least include an electric meter, a liquid level sensor, and a pressure transmitter. Collecting the information of other devices can greatly reduce the workload of personnel going to the site for inspection and meter reading or data.

[0039] The extended communication module consists of 3 (multiple) communication interfaces, and the communication interface type is RS485. It can also use various wired methods such as RS232, CAN, etc., and wireless methods such as Bluetooth, micro-power wireless, etc. to communicate with other devices. On the one hand, it can be used to communicate with other devices with communication interfaces, collect and summarize the information of other devices (such as electric meters, etc.), and on the other hand, it can provide the information collected by this device to other devices; after power-on, it performs the following tasks: being responsible for communicating with the electric meter through one extended communication interface to obtain the voltage and current information collected by the electric meter, and the operation status of the fire pump can be monitored whether it is normal through the voltage and current information.

[0040] In a specific embodiment, the power supply mode of the power supply module is any one of industrial frequency alternating current, an external power supply module, a battery, and a generator.

[0041] A main device and multiple sub-devices are connected through the P-BUS bus method, and other connection schemes (such as M-BUS, RS485 + independent power supply, CAN + independent power supply, etc.) can also be flexibly adopted according to the communication method and the power supply method.

[0042] The communication method between the main device and each sub-device is any one of P-BUS, M-BUS, RS485, RS232, CAN, Bluetooth, micro-power wireless, ZigBee, and WIFI.

[0043] In other specific embodiments, the digital input / output control module is any one of a magnetic latching relay, a solid-state relay, and a triode switch circuit, and it is used to remotely control the opening and closing actions of multiple switches in the tunnel fire-fighting water extinguishing system.

[0044] The storage module is used to store the summarized status information of the tunnel fire-fighting water extinguishing system through any one of the storage schemes of a hard disk, an SD card, and FLASH + EEPROM.

[0045] In a more advantageous embodiment, the main device further includes an image acquisition module; the image acquisition module is used to acquire the image information of the corresponding fire-fighting facilities in the tunnel fire-fighting water extinguishing system and transmit the image information to the main control module. Through the image acquisition module of the present invention, the image information of each fire-fighting facility can be known in real time, and combined with the image and status data, it is possible to more accurately evaluate whether there is a fire risk in the tunnel.

[0046] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An information acquisition system for a fire extinguishing water system in a railway tunnel, characterized in that, it includes: a remote monitoring terminal, a main device, and multiple sub-devices; each of the sub-devices is respectively communicatively connected to the tunnel fire extinguishing water system, and is used to obtain the status information of the corresponding fire fighting facilities collected by the corresponding sensors pre-installed in the railway tunnel; the main device is communicatively connected to each of the sub-devices through a two-wire bus, and is used to summarize and analyze the status information obtained by each of the sub-devices; the remote monitoring terminal is communicatively connected to the main device through a wireless network, and is used to obtain the status information analyzed and processed by the main device; The sub-device includes a sub-control module, and a power supply module, a first communication module, a first digital quantity acquisition module, and a first analog quantity acquisition module that are respectively electrically connected to the sub-control module; after power-on, the sub-control module starts 3 tasks. Task 1 is responsible for periodically obtaining the digital quantity status information collected by the first digital quantity acquisition module and temporarily storing it; Task 2 is responsible for periodically obtaining the analog quantity information collected by the first analog quantity acquisition module and temporarily storing it; Task 3 monitors whether there is communication content from the main device in the first communication module. If so, it analyzes the communication content of the main device and sends the currently temporarily stored digital quantity, analog quantity information, and device parameter information to the main device according to the communication requirements; The main device includes a main control module, and a power supply module, a switch quantity control module, a storage module, a second communication module, a network communication module, and an extended communication module that are respectively electrically connected to the main control module; after power-on, the main control module starts multiple tasks: Task 1 is responsible for periodically checking control commands through the switch quantity control module and operating the switch to perform corresponding opening and closing actions; Task 2 is responsible for periodically communicating with all the sub-devices on the same bus through the second communication module and obtaining the data collected by the sub-devices; Task 3 is responsible for periodically performing the operation of storing the collected information through the storage module; Task 4 is responsible for checking the communication requests on the other two extended communication modules. If there is a communication request, it checks its content and provides corresponding data and information according to the requirements; Task 5 is responsible for checking network communication requests and providing web services and tcp communication services; Task 6 is responsible for clock running and abnormal monitoring; the clock running is realized through network calibration, and the abnormal monitoring is realized based on the change of the status information of each signal acquisition channel.

2. The information acquisition system for a fire extinguishing water system in a railway tunnel according to claim 1, characterized in that, The first communication module is connected to the two-wire bus; the power supply module is used to obtain power from the two-wire bus and supply power to the first communication module, the first digital quantity acquisition module, the first analog quantity acquisition module, and the sub-control module; the first digital quantity acquisition module and the first analog quantity acquisition module are respectively communicatively connected to corresponding sensors in the tunnel fire-fighting water extinguishing system; the sub-control module is used to periodically control the first digital quantity acquisition module to acquire the digital quantity status information of the corresponding sensors and temporarily store it, and / or periodically control the first analog quantity acquisition module to acquire the analog quantity status information of the corresponding sensors and temporarily store it.

3. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 1, characterized in that, the second communication module is connected to the two-wire bus; the main control module communicates with each sub-control module through the second communication module, the two-wire bus, and the first communication module, and communicates with the remote monitoring terminal through the network communication module; the power supply module supplies power to the main control module, the switch quantity control module, the storage module, the second communication module, and the network communication module respectively.

4. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, the main device further includes a second digital quantity acquisition module and a second analog quantity acquisition module respectively electrically connected to the main control module; the second digital quantity acquisition module and the second analog quantity acquisition module are respectively communicatively connected to corresponding sensors in the tunnel fire-fighting water extinguishing system.

5. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, the extended communication module has multiple communication interfaces, and each communication interface is respectively communicatively connected to other devices; the other devices at least include an electric meter, a liquid level sensor, and a pressure transmitter.

6. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, the power supply mode of the power supply module is any one of industrial frequency alternating current, solar energy, battery, and generator.

7. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, the switch quantity control module is any one of a magnetic latching relay, a solid-state relay, and a triode switch circuit, and is used to remotely control the opening and closing actions of multiple switches in the tunnel fire-fighting water extinguishing system.

8. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, the storage module is used to store the summarized status information of the tunnel fire-fighting water extinguishing system through any one of the storage solutions of hard disk, SD card, and FLASH+EEPROM.

9. The information acquisition system of a railway tunnel fire-fighting water extinguishing system according to claim 3, characterized in that, The main device further includes an image acquisition module; the image acquisition module is used to acquire image information of corresponding fire-fighting facilities in the tunnel fire water extinguishing system and transmit the image information to the main control module.

10. An information acquisition system for a railway tunnel fire water extinguishing system according to claim 1, characterized in that the communication method between the main device and each of the sub-devices is any one of P-BUS, M-BUS, RS485, RS232, CAN, Bluetooth, micro-power wireless or WIFI.

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