Intelligent bridge fire monitoring and handling system

Abstract

The invention relates to an intelligent bridge fire monitoring and handling system, which belongs to the technical field of fire detection, and comprises a plurality of fire extinguishing devices arranged on south and north anchors of a target bridge, in a bridge tower and on devices in a steel box girder; the plurality of monitoring devices are used for monitoring fire behavior states of equipment in south and north anchors of a target bridge, a bridge tower and a steel box girder and sending the fire behavior states to the cloud server, and the monitoring devices are arranged on the equipment in the south and north anchors of the target bridge, the bridge tower and the steel box girder; and the cloud server is used for receiving and analyzing the fire behavior state to obtain an analysis result, and starting an early warning device or starting fire extinguishing equipment based on the analysis result. The fireproof capacity in the river-crossing steel box girder is improved.

Description

Technical Field

[0001] The invention relates to the technical field of fire detection, and in particular to an intelligent bridge fire monitoring and handling system. Background Art

[0002] The power supply facilities, bridge health monitoring, dehumidifiers and other equipment of the bridge across the Yangtze River are all installed in the anchor room and the steel box girder of the bridge.

[0003] Due to the closed internal environment of the cross-river steel box girder bridge and the high temperature in summer, the transmission cable is prone to high-temperature fire in the insulation layer when working under high temperature for a long time, especially at the cable joints. In order to ensure the efficiency of the transmission cable, general power supply cables, dehumidification modules and bridge data collectors are placed in a centralized manner inside the cross-river steel box girder, which further increases the risk of fire. In order to ensure the fireproof performance of the transmission cable, the existing internal cable fire protection of the cross-river steel box girder is more based on the conventional fire extinguishing bomb solution in the tunnel, but the fire extinguishing bomb has many blind spots; at the same time, the cross-river steel box girder bridge is built in a segmented assembly mode, the internal traffic conditions are poor, and it is difficult for unmanned vehicles to operate, which further hinders the movement of the fire extinguishing bomb robot.

[0004] In summary, the prior art lacks a fire monitoring and handling system to improve the fire prevention capability inside the cross-river steel box girder. Summary of the invention

[0005] In view of this, it is necessary to provide an intelligent bridge fire monitoring and handling system to solve the problem of poor fire protection inside the cross-river steel box girder in the prior art.

[0006] In order to solve the above problems, the present invention provides a bridge intelligent fire monitoring and handling system, comprising: Several fire-fighting equipment are deployed on the north and south anchorages of the target bridge, inside the bridge towers, and inside the steel box girders; A plurality of monitoring devices are used to monitor the fire status of the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge, and send the fire status to the cloud server, wherein the monitoring devices are arranged on the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge; The cloud server is used to receive and analyze the fire status to obtain analysis results, and activate the early warning device or the fire extinguishing equipment based on the analysis results.

[0007] In a possible implementation, the cloud server includes: Fire control center management module, used for real-time alarm remote monitoring: real-time monitoring and management of the fire control host alarm information and equipment status of each distribution room and building; Alarm center management module, used for intelligent video surveillance equipment alarm function and perimeter abnormality alarm; Data center management module, used to centrally manage all fire protection and security facilities and equipment, query basic equipment information and manage statistical reports; The operation and maintenance center management module is used for fire inspection management, maintenance management, video quality detection, fire emergency plans and training management.

[0008] In a possible implementation, the equipment on the north and south anchors of the target bridge includes: a dehumidifier and a power distribution cabinet; the equipment in the two bridge towers of the target bridge includes: a dehumidifier, a power distribution cabinet and a transformer; the equipment in the steel box girder includes: a dehumidifier, a power distribution cabinet and a bridge health monitoring device.

[0009] In a possible implementation, the fire extinguishing equipment includes: a fire detection tube gas fire extinguishing device, a heptafluoropropane fire extinguishing device and a water pump.

[0010] In a possible implementation, the monitoring device includes: One or more of smoke sensors, temperature sensors, pyrolysis particle detectors, fire video AI analysis devices, and liquid level sensors.

[0011] In a possible implementation, the early warning device includes: a fire alarm controller, an emergency lighting controller, a gas fire extinguishing controller, and a temperature sensing optical cable controller.

[0012] In a possible implementation, the cloud server is also used to analyze the cause of the fire based on the fire status.

[0013] In a possible implementation, the liquid level sensor is installed at the bottom of the anchor to collect liquid level information.

[0014] In a possible implementation, when the liquid level value of the liquid level sensor is greater than a preset threshold, the cloud server sends control information to the water pump to control the start of the water pump.

[0015] In a possible implementation, it also includes a visual inspection subsystem, which is used to obtain the information of the device by acquiring the NFC fire inspection tag on the device, and perform information management on the device based on the device information.

[0016] In a possible implementation, a client is also included, and the client is used to receive the analysis results sent by the cloud server so that operation and maintenance personnel can understand the fire status in real time.

[0017] The beneficial effects of the present invention are as follows: the present invention provides an intelligent fire monitoring and handling system for bridges, including a plurality of fire extinguishing equipment, a plurality of monitoring devices and a cloud server. The fire extinguishing equipment is arranged on the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, the monitoring device is used to monitor the fire status of the equipment in the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, and send the fire status to the cloud server, the monitoring device is arranged on the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, the cloud server is used to receive and analyze the fire status to obtain the analysis result, and activate the early warning device or the fire extinguishing equipment based on the analysis result. The present invention improves the fire prevention capability of the bridge by monitoring each position of the bridge and sending the fire status to the cloud server for warning or automatic fire extinguishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A system architecture diagram of an embodiment of an intelligent bridge fire monitoring and handling system provided by the present invention. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0020] The present invention provides a bridge intelligent fire monitoring and handling system, which is described below.

[0021] Figure 1 A system architecture diagram of an embodiment of the bridge intelligent fire monitoring and handling system provided by the present invention is shown as follows: Figure 1 As shown, the bridge intelligent fire monitoring and handling system 100 includes: A plurality of fire extinguishing equipment 101 are arranged on the north and south anchorages of the target bridge, in the bridge towers, and in the steel box girders; A plurality of monitoring devices 102, used to monitor the fire status of the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge, and send the fire status to the cloud server, wherein the monitoring devices are arranged on the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge; The cloud server 103 is used to receive and analyze the fire status to obtain an analysis result, and activate an early warning device or a fire extinguishing device based on the analysis result.

[0022] Compared with the prior art, the present embodiment provides an intelligent bridge fire monitoring and disposal system, including a plurality of fire extinguishing equipment, a plurality of monitoring devices and a cloud server. The fire extinguishing equipment is arranged on the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, the monitoring device is used to monitor the fire status of the equipment in the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, and send the fire status to the cloud server, the monitoring device is arranged on the north and south anchorages of the target bridge, the equipment in the bridge tower and the steel box girder, the cloud server is used to receive and analyze the fire status to obtain the analysis result, and activate the early warning device or the fire extinguishing equipment based on the analysis result. The present invention improves the fire prevention capability of the bridge by monitoring each position of the bridge and sending the fire status to the cloud server for warning or automatic fire extinguishing.

[0023] In some embodiments of the present invention, the cloud server 103 includes: Fire control center management module, used for real-time alarm remote monitoring: real-time monitoring and management of the fire control host alarm information and equipment status of each distribution room and building; Alarm center management module, used for intelligent video surveillance equipment alarm function and perimeter abnormality alarm; Data center management module, used to centrally manage all fire protection and security facilities and equipment, query basic equipment information and manage statistical reports; The operation and maintenance center management module is used for fire inspection management, maintenance management, video quality detection, fire emergency plans and training management.

[0024] In a specific embodiment of the present invention, the data center management module uniformly manages all fire protection and security facilities and equipment, and queries the basic information of the equipment. Statistical analysis: equipment quantity statistics, equipment classification statistics, equipment status statistics, equipment operation statistics. Monitoring statistical analysis: Monitoring statistical analysis supports the historical status of monitoring data reported by date, region, and statistical equipment, and displays data statistics through diversified graphical visualization. Alarm statistical analysis: Alarm statistical analysis is divided into equipment alarms and business alarms. Alarm statistical analysis is mainly based on indicators such as date, region, alarm type, processing progress, and the number and proportion of statistical equipment failure alarms. Building statistical analysis: Building statistical analysis is mainly based on date, region, and building type to count the number and proportion of monitored buildings. Buildings, personnel, and relevant information and resources of fire control rooms, monitoring rooms, etc. are entered.

[0025] Fire control center management module, real-time alarm remote monitoring: real-time monitoring and management of the alarm information and equipment status of the fire control host of each distribution room and building. The platform displays the alarm information in real time through floor plans, lists, etc., and provides icon flashing and alarm sound prompts. Alarm information push: The system supports the push of alarm processing tasks, and timely sends the specific situation of the fire control alarm information collected by the user information transmission device (such as alarm type, alarm time, and alarm location) to the designated security and fire control personnel, so as to confirm and handle the fire control alarm event in the first time and improve the efficiency of alarm processing. Support wireless fire alarm system, fire water, and safe electricity real-time monitoring: real-time online monitoring of floor fire conditions, fire water pressure level, electricity safety current, voltage, cable temperature, residual current, fault arc and other data and alarms. Map alarm linkage: The system supports the annotation and display of the floor plan of fire control equipment and facilities. After the platform receives the alarm information, it can link the floor plan to view the alarm point location information. Alarm video linkage: The system supports fire alarm video linkage. After the platform receives the alarm information, it links the alarm point video information to quickly and intuitively understand the on-site situation of the fire alarm location. Intelligent analysis of surveillance videos at key safety points can automatically identify information such as smoke, flames, occupied fire evacuation routes, blocked fire truck routes, and generate pop-up alarms.

[0026] The alarm center management module supports the alarm function of intelligent video surveillance equipment and perimeter abnormality alarm, and provides unified prompts and management for the alarm information of other existing security systems and access subsystems of the station.

[0027] It supports traditional fire protection system status alarm, fire alarm, power safety, fire door, gas and other alarm information as well as wireless smoke sensors, fire water system liquid level and water pressure in IoT fire protection; it supports status alarm of power monitoring equipment such as arc, residual current, temperature voltage, current and management of risk alarm information.

[0028] The operation and maintenance center management module mainly includes fire patrol management, maintenance management, video quality detection, fire emergency plans and training.

[0029] The cloud server also includes: system management module, comprehensive display module, and electronic inspection module.

[0030] System management module, including user management, role management, area management, department management, position management, log management, menu management, parameter management, dictionary management, and notification management.

[0031] The comprehensive display module includes a comprehensive display of various security and fire protection data and alarm push notifications of the station based on GIS maps and floor plans (converted from CAD drawings provided by users).

[0032] In some embodiments of the present invention, the equipment on the north and south anchors of the target bridge includes: a dehumidifier and a power distribution cabinet; the equipment in the two bridge towers of the target bridge includes: a dehumidifier, a power distribution cabinet and a transformer; the equipment in the steel box girder includes: a dehumidifier, a power distribution cabinet and a bridge health monitoring device.

[0033] In a specific embodiment of the present invention, different early warning methods are used for different firefighting scenarios according to the protection area and the protection object, as shown in Table 1. Table 1 shows different early warning methods for different locations.

[0034] Table 1: Early warning measures for different locations

[0035] It should be noted that the smoke detector has a built-in dedicated Crested Ibis microprocessor and adopts SMT surface mounting technology. The detector stores and judges the data collected by itself and has a self-diagnosis function. Automatic pollution compensation, automatic compensation according to its own pollution level, to minimize false alarms. It has a wide range of applications and can respond to white or black smoke produced by burning different materials. It has strong anti-interference ability, anti-dust adhesion, anti-electromagnetic interference, anti-temperature influence, anti-corrosion, and anti-interference from external light (light source). It has strong resistance to moisture and heat, and has waterproof treatment, which can adapt to the requirements of different climate environments. Two-wire system, the signal line has no polarity.

[0036] In a specific embodiment of the present invention, smoke detectors are used at four locations of the box girders under the north and south towers, with one smoke detector and one temperature detector at each location.

[0037] The temperature detector has a built-in special Crested Ibis microprocessor and adopts SMT surface mounting technology. The detector stores and judges the data collected by itself and has a self-diagnosis function. It has strong anti-interference and anti-humidity capabilities. The detector is A2R type and has fixed temperature and differential temperature alarm functions. It uses glass-encapsulated thermistors and has a fast temperature response speed. It can output temperature values ​​in real time and view the temperature change curve on site through the controller. Two-wire system, the signal line has no polarity.

[0038] In a specific embodiment of the present invention, in conjunction with the pyrolysis particles, four box beams are additionally added under the north and south towers.

[0039] Temperature sensing cable (including terminal), linear, cable, differential temperature, recoverable, distributed positioning, detection type equipment. Action temperature 85℃, 105℃. Alarm partitions can be set according to project needs, and the partition temperature information can be uploaded to the monitoring platform in real time for display. Level 2 warning temperature thresholds can be set as needed. Protection level is IP67.

[0040] In a specific embodiment of the present invention, the temperature sensing cable (including the terminal) is used for the box girders under the north and south towers, four transformers and a local main line bridge.

[0041] Specifically, technical means such as intelligent smoke sensors, temperature sensors, pyrolytic particles, fire video AI analysis, liquid level sensors, and dynamic environment module data access are used to collect characteristic data such as on-site smoke, temperature, and open flames for analysis and real-time warning, so as to perceive fire risks in advance.

[0042] It should be noted that the image-type fire detector is an image-type fire detector with a high-definition visible light and high-sensitivity thermal imaging dual-spectrum imaging architecture, with a focal length of 8mm, which can monitor multi-dimensional characteristic information such as flame, temperature, smoke, etc. in real time. Seamlessly connect to the fire alarm control system. Single-mode SC optical fiber interface (25KM), the alarm sound is not less than 85dB. It needs to be used with the monitoring part and needs to be powered by a dedicated DC24V power supply.

[0043] It should be noted that the fire video AI analysis terminal notifies relevant responsible persons in real time through phone calls, text messages, WeChat, DingTalk, etc.; alarm events are automatically deduplicated and clustered, and events are tracked throughout the entire cycle; it supports simultaneous access to 16 channels of video and the ability to perform multiple AI tasks in parallel on each channel; video output 1xHDMI 2.0@4Kp60; Ethernet 1xGBE, (1x1000BASE-T); power DC7-19V (comes with its own power adapter); peak power 30W.

[0044] In some embodiments of the present invention, the monitoring device includes an image-type fire detector and a fire video AI analysis terminal. The fire video AI analysis terminal uses high-definition video images to perform fire AI analysis and early warning.

[0045] In some embodiments of the present invention, the fire extinguishing equipment includes: a fire detection tube gas fire extinguishing device, a heptafluoropropane fire extinguishing device and a water pump.

[0046] In a specific embodiment of the present invention, a heptafluoropropane fire-detecting tube fire extinguishing device is used for the box beams under the north and south towers, with 8 groups at 4 locations. In a specific embodiment of the present invention, the fire extinguishing equipment also includes a suspended dry powder fire extinguishing device.

[0047] In a specific embodiment of the present invention, an integrated fire detection and extinguishing machine is also used. The integrated fire detection and extinguishing machine is a wall-mounted 4-zone fire extinguishing controller with a 4.3-inch LCD screen. It has 4 fire extinguishing circuits, each of which is fully loaded with 80 points, has networking function, and includes backup power.

[0048] In a specific embodiment of the present invention, an intelligent fill light integrated gun camera is also used, and 4 intelligent fill light integrated gun cameras are installed at 4 locations under the box beams of the north and south towers for bridge health monitoring, a total of 50. An ultra-low illumination aurora camera is also used, installed at 4 locations under the box beams of the north and south towers.

[0049] In some embodiments of the present invention, the monitoring device comprises: One or more of smoke detectors, temperature detectors, pyrolytic particle detectors, fire video AI analysis devices, and liquid level sensors.

[0050] In some embodiments of the present invention, the early warning device includes: a fire alarm controller, an emergency lighting controller, a gas fire extinguishing controller and a temperature sensing optical cable controller.

[0051] In some embodiments of the present invention, the cloud server is also used to analyze the cause of the fire based on the fire status.

[0052] In some embodiments of the present invention, the liquid level sensor is installed at the bottom of the anchor to collect liquid level information.

[0053] In some embodiments of the present invention, when the liquid level value of the liquid level sensor is greater than a preset threshold, the cloud server sends control information to the water pump to control the water pump to start.

[0054] In some embodiments of the present invention, a visual inspection subsystem is also included, which is used to obtain information about the device by acquiring the NFC fire inspection tag on the device, and perform information management on the device based on the information of the device.

[0055] In some embodiments of the present invention, a client is also included, and the client is used to receive the analysis results sent by the cloud server so that the operation and maintenance personnel can understand the fire status in real time.

[0056] Those skilled in the art will appreciate that all or part of the processes of the above-mentioned embodiments can be implemented by instructing related hardware through a computer program, and the program can be stored in a computer-readable storage medium, wherein the computer-readable storage medium is a disk, an optical disk, a read-only storage memory, or a random access memory, etc.

[0057] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A bridge intelligent fire monitoring and handling system, characterized in that: include: Several fire-fighting equipment are deployed on the north and south anchorages of the target bridge, inside the bridge towers, and inside the steel box girders; A plurality of monitoring devices are used to monitor the fire status of the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge, and send the fire status to the cloud server, wherein the monitoring devices are arranged on the equipment in the north and south anchorages, the bridge towers and the steel box girder of the target bridge; The cloud server is used to receive and analyze the fire status to obtain analysis results, and activate the early warning device or the fire extinguishing equipment based on the analysis results.

2. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The cloud server comprises: Fire control center management module, used for real-time alarm remote monitoring: real-time monitoring and management of the fire control host alarm information and equipment status of each distribution room and building; Alarm center management module, used for intelligent video surveillance equipment alarm function and perimeter abnormality alarm; Data center management module, used to centrally manage all fire protection and security facilities and equipment, query basic equipment information and manage statistical reports; The operation and maintenance center management module is used for fire inspection management, maintenance management, video quality detection, fire emergency plans and training management.

3. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The equipment on the north and south anchors of the target bridge includes: dehumidifiers and power distribution cabinets; the equipment in the two bridge towers of the target bridge includes: dehumidifiers, power distribution cabinets and transformers; the equipment in the steel box girder includes: dehumidifiers, power distribution cabinets and bridge health monitoring equipment.

4. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The fire extinguishing equipment comprises: a fire detection tube gas fire extinguishing device, a heptafluoropropane fire extinguishing device and a water pump.

5. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The monitoring device comprises: One or more of smoke detectors, temperature detectors, pyrolytic particle detectors, fire video AI analysis devices, and liquid level sensors.

6. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The early warning device includes: a fire alarm controller, an emergency lighting controller, a gas fire extinguishing controller and a temperature sensing optical cable controller.

7. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: The cloud server is also used to analyze the cause of the fire according to the fire status.

8. The intelligent bridge fire monitoring and handling system according to claim 5 is characterized in that: The liquid level sensor is installed at the bottom of the anchor and is used to collect liquid level information. When the liquid level value of the liquid level sensor is greater than a preset threshold, the cloud server sends control information to the water pump to control the water pump to start.

9. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: It also includes a visual inspection subsystem, which is used to obtain the information of the device by acquiring the NFC fire inspection tag on the device, and manage the device based on the device information.

10. The intelligent bridge fire monitoring and handling system according to claim 1 is characterized in that: It also includes a client, which is used to receive the analysis results sent by the cloud server so that operation and maintenance personnel can understand the fire status in real time.

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