Intelligent monitoring system for air valve of high-original high-altitude railway tunnel

Abstract

The utility model discloses an intelligent air valve monitoring system for a high-original high-altitude railway tunnel. The intelligent air valve monitoring system comprises a main controller, an intelligent air valve monitoring device and an air valve control box, the intelligent air valve monitoring device comprises intelligent air valve monitoring equipment, a displacement sensor, a collapse sensor and a detection target, the main controller is respectively connected with the intelligent air valve monitoring equipment and the air valve control box; the air valve intelligent monitor is connected with the displacement sensor and the collapse sensor; the displacement sensor, the collapse sensor and the detection target are installed oppositely. And the air valve control box is connected with the air valve intelligent monitoring equipment through a signal cable. The device obtains the state information of the current air valve by comparing the collected data of the displacement sensor and the collapse sensor with the data of the initial sensor, and can help to carry out scientific rescue planning and task arrangement with a clear target by combining with other objective data in the tunnel, so as to improve the rescue efficiency and the success rate.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent monitoring of railway tunnels, and more specifically to an intelligent monitoring system for air valves in high-altitude railway tunnels on the plateau. Background Art

[0002] In recent years, the mileage of railway tunnels has been continuously increasing. By the end of 2021, the operating mileage of China's railways exceeded 150,000 km. Among them, 17,532 railway tunnels with a length of 21,055 km were put into operation, and 2,418 railway tunnels with a length of 6,414 km were under construction. The requirements for the management and monitoring of ventilation equipment such as air valves and dampers in tunnels are getting higher and higher.

[0003] In recent years, potential hazards in the operation of existing air valve equipment have gradually emerged, and accidents such as air valve displacement, detachment, and collapse occur from time to time. This increases the possibility of rescue delays and accidents during the rescue process.

[0004] For the smoke exhaust and air supply in subway and tunnel fires, it is necessary to maintain a tolerable environment within a certain period of time, which is beneficial to the escape and refuge of personnel. The size of the wind speed should minimize the heat load transmitted to the human body, avoid the smoke filling the evacuation route due to the turbulence and eddy current effects caused by make-up air, and create conditions for personnel to take refuge to the greatest extent. Avoid and minimize the diffusion of high-temperature gas in the fire field, and discharge the hot smoke generated during the fire process as soon as possible through effective smoke exhaust facilities, prevent the hot air current from igniting the items around the fire field and expanding the fire field, and facilitate the firefighters to approach the fire field and carry out fire extinguishing work.

[0005] Therefore, how to design an intelligent monitoring system for air valves in high-altitude railway tunnels on the plateau is an urgent problem to be solved by those skilled in the art. Content of the Utility Model

[0006] In view of this, the utility model provides an intelligent monitoring system for air valves in high-altitude railway tunnels on the plateau, which controls the opening / closing of the air valve through the main controller and the air valve control box, and realizes the integration of the functions of air valve monitoring and control.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides an intelligent monitoring system for air valves in high-altitude railway tunnels on the plateau, including: a main controller, an intelligent air valve monitoring device, and an air valve control box; the intelligent air valve monitoring device includes: an intelligent air valve monitoring equipment, a displacement sensor, a collapse sensor, and a detection target;

[0009] The main controller is used to connect to the main station of the tunnel monitoring system, and is respectively connected to the intelligent air valve monitoring equipment and the air valve control box;

[0010] The wind valve intelligent monitoring device is installed on one side of the corresponding tunnel wind valve, connecting the displacement sensor and the collapse sensor; the displacement sensor and the collapse sensor are respectively installed on one side of the tunnel wind valve and are installed opposite to the detection target;

[0011] The wind valve control box is connected to the wind valve intelligent monitoring device through a signal cable; the wind valve control box is connected to the tunnel wind valve through a power line.

[0012] Among them, the main controller includes: a PLC, an intermediate relay group and a first touch display screen;

[0013] The PLC includes: a first network interface, a second network interface, a digital output module and a digital input module; the intermediate relay group includes a plurality of peripheral relays;

[0014] The first network interface is used to connect to the main station of the tunnel monitoring system and is connected to the wind valve intelligent monitoring device;

[0015] The second network interface is connected to the first touch display screen;

[0016] The digital input module is connected to the wind valve intelligent monitoring device;

[0017] The digital output module is connected to the coils of the peripheral relays.

[0018] Further, the wind valve intelligent monitoring device includes: a processor module, a communication module, a power supply module and an information acquisition module;

[0019] The processor module is respectively connected to the communication module, the power supply module and the information acquisition module; the power supply module is connected to the communication module and the information acquisition module.

[0020] The processor module uses a 32-bit MCU for information processing;

[0021] The communication module communicates with third-party devices in the RJ45 form;

[0022] The power supply module supplies power to the processor module, the communication module and the signal acquisition module, supporting DC20.4 - 26.4V and AC187 - 253V power input.

[0023] The information acquisition module includes: an AD conversion module and a digital quantity acquisition module;

[0024] The AD conversion module is connected to the displacement sensor, and the digital quantity acquisition module is connected to the collapse sensor.

[0025] Further, the displacement sensor uses an ultrasonic sensor, and the interface uses a 4 - 20ma current mode.

[0026] The collapse sensor adopts the form of a diffuse reflection photoelectric switch.

[0027] The detection target includes: a displacement detection target and a collapse detection target;

[0028] The displacement detection target is installed on the opposite side of the displacement sensor; the collapse detection target is installed on the opposite side of the collapse sensor.

[0029] The displacement detection target and the collapse detection target adopt a 10cm * 15cm white flame-retardant PVC plastic board.

[0030] The air valve control box includes: buttons, indicator lights and relays.

[0031] According to the above technical solutions, compared with the prior art, the technical solutions of the present utility model have the following beneficial effects:

[0032] This intelligent monitoring system for railway tunnel air valves monitors information such as the displacement, detachment, and collapse of the air valves through intelligent air valve monitoring devices. Through specific algorithms, the current state evaluation of the air valves is obtained. It can help with scientific and targeted rescue planning and task arrangement to improve the rescue efficiency and success rate. The opening / closing of the air valves is controlled by the main controller and the air valve control box, realizing the integration of the functions of air valve monitoring and control. Description of the Drawings

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0034] Figure 1 It is the networking diagram of the monitoring system provided by the embodiment of the present utility model;

[0035] Figure 2 It is the schematic diagram of the main controller provided by the embodiment of the present utility model;

[0036] Figure 3 It is the schematic diagram of the intelligent air valve monitoring device provided by the embodiment of the present utility model. Detailed Embodiments

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0038] This embodiment provides an intelligent monitoring system for plateau and high-altitude railway tunnel air valves, as Figure 1 shown, which includes: a main controller, an intelligent air valve monitoring device, and an air valve control box; the intelligent air valve monitoring device includes: an intelligent air valve monitoring device, a displacement sensor, a collapse sensor, and a detection target;

[0039] The main controller is connected to the main station of the tunnel monitoring system through an optical fiber, adopts the standard Modbus TCP communication protocol, and performs two-way data transmission with the main station of the tunnel monitoring system.

[0040] The main controller is connected to the air valve control box through a control cable. The main controller is connected to the intelligent air valve monitoring device through a shielded twisted pair cable, adopts the standard Modbus TCP / Modbus RTU communication protocol, and performs two-way data transmission with the intelligent air valve monitoring device.

[0041] The intelligent air valve monitoring device is installed on one side of the corresponding tunnel air valve and is connected to the displacement sensor and the collapse sensor;

[0042] The air valve control box is connected to the intelligent air valve monitoring device through a signal cable; the air valve control box is connected to the tunnel air valve through a power line.

[0043] The intelligent air valve monitoring device, the main control box, and the air valve control box are installed adjacent to each other. The main controller uploads the received data to the main station of the tunnel monitoring system in the form of communication, and at the same time receives the control signal from the main station of the tunnel monitoring system, and together with the air valve control box, realizes the opening / closing control of the air valve. The intelligent air valve monitoring device converts the data of the on-site sensors and transmits it to the main controller in the form of communication.

[0044] In this implementation, the intelligent monitoring system of the air valve can not only receive the commands to open / close the air valve issued by the station control center through network communication, but also can open / close the air valve locally through the buttons distributed on site. At the same time, this system is a device that can perform real-time data collection and risk warning under the rules of the regular inspection cycle. It can monitor in real time whether there are potential safety hazards such as displacement, falling off, and collapse of the air valve. When the position change of the air valve exceeds the threshold, the monitoring system will send out a warning signal; when the air valve falls off or collapses, the monitoring system will output an alarm signal. It provides convenience for the daily inspection of the air valve equipment status, reduces the labor intensity of maintenance staff, and provides support for the centralized supervision of the electromechanical equipment in the railway tunnel. By analyzing the on-site data of the air valve and combining with other objective data in the tunnel, it can help to make scientific and targeted rescue plans and task arrangements to improve the rescue efficiency and success rate.

[0045] The following is a further detailed description of each component of the intelligent monitoring system of the air valve:

[0046] As Figure 2 shown, the main controller includes: a PLC, an intermediate relay group, and a first touch display screen;

[0047] The PLC includes: a first network interface, a second network interface, a digital output module, and a digital input module; the intermediate relay group includes a plurality of peripheral relays;

[0048] The first network interface is used to connect to the main station of the tunnel monitoring system and is connected to the intelligent monitoring device of the air valve;

[0049] The second network interface is connected to the first touch display screen;

[0050] The digital input module is connected to the intelligent monitoring device of the air valve;

[0051] The digital output module is connected to the coils of the peripheral relays.

[0052] The PLC integrates the first network interface, the second network interface, and the digital output / input module. The first network interface is used to communicate with the main station of the tunnel monitoring system and the intelligent monitoring device of the air valve to realize the bidirectional transmission of data. The second network interface communicates with the touch screen to realize the human-machine interaction function on the side of the main controller. The touch screen displays the status of the air valve and can also be operated on the touch screen to realize the local control of the opening / closing of the air valve. The digital output module of the PLC is connected to the coils of the peripheral relays, and the auxiliary contacts of the relays are connected to the air valve control box. The PLC controls the peripheral relays through the digital output module, and the peripheral relays control the air valve control box to realize the opening / closing of the air valve.

[0053] As Figure 3As shown in the figure, the intelligent monitoring device for the air valve includes: a processor module, a communication module, a power module, and an information acquisition module;

[0054] The processor module is respectively connected to the communication module, the power module, and the information acquisition module; the power module is connected to the communication module and the information acquisition module.

[0055] The processor module uses a 32-bit MCU for information processing;

[0056] The communication module communicates with third-party devices and adopts the RJ45 form;

[0057] The power module supplies power to the processor module, the communication module, and the signal acquisition module, and supports DC20.4 - 26.4V and AC187 - 253V power inputs.

[0058] The information acquisition module includes: an AD conversion module and a digital quantity acquisition module;

[0059] The AD conversion module is connected to a displacement sensor, and the digital quantity acquisition module is connected to a collapse sensor.

[0060] The displacement sensor uses an ultrasonic sensor, and the interface adopts the 4 - 20ma current mode.

[0061] The collapse sensor adopts the form of a diffuse reflection photoelectric switch.

[0062] The detection target includes: a displacement detection target and a collapse detection target;

[0063] The displacement sensor and the collapse sensor are arranged on the side of the air valve and are relatively installed with the displacement detection target and the collapse detection target respectively.

[0064] The displacement detection target and the collapse detection target adopt a 10cm * 15cm white flame-retardant PVC plastic board.

[0065] The air valve control box includes buttons, indicator lights, and relays, controls the local and remote switching of the air valve, and displays the state of the air valve.

[0066] In this embodiment, the intelligent monitoring device for the air valve compares the collected data of the displacement sensor and the collapse sensor with the initial sensor data to determine the displacement magnitude and whether there is a collapse. When the displacement value reaches the set threshold, it issues an alarm for the air valve displacement and collapse information, obtains the current state of the air valve, and uploads the result to the main controller in the form of communication. Combining with other objective data in the tunnel can help with scientific and targeted rescue planning and task arrangement to improve the rescue efficiency and success rate.

[0067] The intelligent monitoring system for the air valve uses the intelligent monitoring device to collect data such as the displacement and collapse of the air valve in real time.

[0068] The intelligent air valve monitoring device provides functions such as displacement sensor calibration and alarm parameter setting; dynamic alarm threshold parameter setting function, and alarm for whether the device is offline.

[0069] The intelligent air valve monitoring device has the function of information communication with the remote control platform, and has functions such as remotely reading real-time data, real-time status, historical data, fault alarms, early warnings, etc. It can effectively reduce the demand for the processing and computing power of the hardware devices of the remote control platform, reduce the network bandwidth requirements, and reduce the construction scale of the central platform.

[0070] The main controller uploads the received data to the main station of the tunnel monitoring system in the form of communication. At the same time, it receives the control signals from the main station of the tunnel monitoring system and realizes the opening / closing control of the air valve together with the air valve control box.

[0071] In this embodiment, the working process of the intelligent air valve monitoring system is as follows:

[0072] The main controller, the intelligent air valve monitoring device and the air valve control box are used in a supporting manner. The intelligent air valve monitoring device collects data such as the displacement and collapse of the air valve in real time. Analyze, discriminate, and alarm the acquired data, display it on the touch screen, and provide a standard protocol interface through the network interface module for the main controller to read the result information. The main controller writes the read result information to the main station of the tunnel monitoring system through the network interface.

[0073] When the main controller reads the instructions from the main station of the tunnel monitoring system through the network module, it drives the corresponding relay through the control digital quantity output module, and the auxiliary contact of the relay controls the air valve control box to realize the control function of the air valve.

[0074] In this specification, each embodiment is described in a progressive manner. The key points of each embodiment are the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the system disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0075] 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 will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. High-altitude railway tunnel air valve intelligent monitoring system, characterized in that Including: A main controller, a wind valve intelligent monitoring device, and a wind valve control box; The wind valve intelligent monitoring device includes: a wind valve intelligent monitoring equipment, a displacement sensor, a collapse sensor, and a detection target; The main controller is used to connect to the main station of the tunnel monitoring system and is respectively connected to the wind valve intelligent monitoring equipment and the wind valve control box; The wind valve intelligent monitoring equipment is installed on one side of the corresponding tunnel wind valve and is connected to the displacement sensor and the collapse sensor; the displacement sensor and the collapse sensor are respectively installed on one side of the tunnel wind valve and are installed opposite to the detection target; The wind valve control box is connected to the wind valve intelligent monitoring equipment through a signal cable; the wind valve control box is connected to the tunnel wind valve through a power line.

2. The intelligent monitoring system for the plateau high-altitude railway tunnel air valve according to claim 1, wherein The main controller includes: a PLC, an intermediate relay group, and a first touch display screen; The PLC includes: a first network interface, a second network interface, a digital quantity output module, and a digital quantity input module; the intermediate relay group includes a plurality of peripheral relays; The first network interface is used to connect to the main station of the tunnel monitoring system and is connected to the wind valve intelligent monitoring equipment; The second network interface is connected to the first touch display screen; The digital quantity input module is connected to the wind valve intelligent monitoring equipment; The digital quantity output module is connected to the coils of the peripheral relays.

3. The intelligent monitoring system for high-altitude railway tunnel air valves according to claim 1, characterized in that, The wind valve intelligent monitoring equipment includes: a processor module, a communication module, a power supply module, and an information collection module; The processor module is respectively connected to the communication module, the power supply module, and the information collection module; the power supply module is connected to the communication module and the information collection module.

4. The intelligent monitoring system for the air valve of the high-altitude railway tunnel according to claim 3, characterized in that, The processor module uses a 32-bit MCU to process information; The communication module communicates with third-party devices in the RJ45 form; The power supply module supplies power to the processor module, the communication module, and the signal collection module, and supports DC20.4~26.4V and AC187~253V power input.

5. The intelligent monitoring system for high - altitude railway tunnel air valves according to claim 3, wherein, The information collection module includes: an AD conversion module and a switch quantity collection module; The AD conversion module is connected to the displacement sensor, and the switch quantity collection module is connected to the collapse sensor.

6. The intelligent monitoring system for the air valve of the high-altitude railway tunnel according to claim 1, wherein, The displacement sensor uses an ultrasonic sensor, and the interface uses a 4-20ma current method.

7. The intelligent monitoring system for high-altitude railway tunnel air valves according to claim 1, characterized in that, The collapse sensor uses a diffuse reflection photoelectric switch form.

8. The intelligent monitoring system for the plateau high-altitude railway tunnel air valve according to claim 1, characterized in that, The detection target includes: a displacement detection target and a collapse detection target; The displacement detection target is installed on the opposite side of the displacement sensor; the collapse detection target is installed on the opposite side of the collapse sensor.

9. The intelligent monitoring system for the air valve of the high-altitude railway tunnel according to claim 8, wherein The displacement detection target and the collapse detection target use a 10cm*15cm white flame-retardant PVC plastic board.

10. The intelligent monitoring system for the air valve of the high-altitude railway tunnel according to claim 1, characterized in that, The wind valve control box includes: buttons, indicator lights, and relays.

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