Engineering structure universal intelligent monitoring system integration method

Abstract

The invention provides an engineering structure universal intelligent monitoring system integration method, and relates to the field of complex environment structure monitoring. An engineering structure universal intelligent monitoring system integration method comprises the following steps of S1, confirming monitoring indexes in combination with structural mechanical characteristics, S2, confirming monitoring points in combination with theoretical analysis and engineering experience, S3, selecting monitoring equipment in combination with technology maturity and cost control, S4, selecting and arranging cables according to monitoring equipment signals, power and structural geometric characteristics, and S5, selecting and arranging cables according to the monitoring equipment signals, power and structural geometric characteristics. And S5, matching machine room server parameters according to equipment and system software. The system has the advantages that monitoring indexes, monitoring points and monitoring equipment are selected in a targeted mode, the integrated communication problem of the monitoring instrument equipment and the central machine room server is solved, the monitoring indexes are beneficial to saving cost and reducing data analysis and system maintenance pressure, and the monitoring equipment is beneficial to enhancing data acquisition, transmission and analysis efficiency. The method serves structure physical performance analysis and evaluation and surrounding traffic scientific decision.

Description

Technical Field

[0001] The present invention relates to the field of long-term monitoring of bridge structures in complex environments and space and hydropower structures, and specifically to an integration method of a universal intelligent monitoring system for engineering structures. Background Art

[0002] It is committed to revealing the status and changes of the service performance of the structure, long and large bridge structures, large-scale space, and hydropower structures. Long-term monitoring usually involves structural stress, displacement, deflection, and vibration acceleration monitoring indicators, in order to provide targeted opinions and suggestions for the maintenance and management of the structure. Considering the scientific decision-making management of traffic loads, vehicle load axle weight, driving speed indicators, and wind speed and direction, rainfall, temperature and humidity indicators in complex environments will also be monitored, and traffic load limits, speed limits, and detour measures can be implemented. In order to better serve municipal management, transportation, and social governance units, it is also necessary to deploy a considerable number of high-definition and high-magnification cameras to capture various illegal and disharmonious behaviors.

[0003] At present, with the development of science and technology, the analysis of structural mechanical characteristics and the development of front-end instruments and equipment have been continuously improved. People's work focus has gradually shifted to how to combine structural geometric characteristics, integrate a wide variety of instruments and equipment, ensure timely and efficient data transmission to the management center computer room, and provide a basis for scientific decision-making. Therefore, reasonable monitoring indicators and monitoring points should be selected to effectively improve the pertinence of monitoring, select suitable monitoring instruments and equipment to improve monitoring results, and implement harmonious computer room layout to give full play to the monitoring value, so that it can simultaneously have structural physical performance analysis and evaluation and surrounding traffic scientific decision-making. Summary of the invention

[0004] The purpose of the present invention is to provide a universal intelligent monitoring system integration method for engineering structures, which can efficiently and low-cost transmit various monitoring data to the management center in real time, and provide a scientific decision-making basis for structural maintenance management and surrounding traffic and social governance.

[0005] To achieve the above purpose, the present invention adopts the following scheme: A method for integrating a universal intelligent monitoring system for engineering structures comprises the following steps: S1. Structural monitoring indicators, that is, various structural monitoring indicators are confirmed in combination with the surrounding environment, structural mechanical characteristics, functional requirements, and engineering experience, including environmental monitoring indicators, vibration performance monitoring indicators, physical performance monitoring indicators, auxiliary device monitoring indicators, traffic load monitoring indicators, rail steel bridge electrochemical auxiliary monitoring indicators, and auxiliary monitoring indicators.

[0006] S2. Structural monitoring points, that is, combining theoretical analysis, numerical simulation, experimental testing, and engineering experience, select key structural sections and confirm each key measuring point, including environmental monitoring points, vibration performance monitoring points, physical performance monitoring points, auxiliary device monitoring points, traffic load monitoring points, rail steel bridge electrochemical auxiliary monitoring points, and auxiliary measuring points.

[0007] S3. Structural monitoring instruments and equipment, that is, selecting appropriate monitoring instruments and equipment based on the surrounding environment, technology maturity, cost control, and functional applicability, including environmental monitoring instruments and equipment, vibration performance monitoring instruments and equipment, physical performance monitoring instruments and equipment, ancillary device monitoring instruments and equipment, traffic load monitoring instruments and equipment, and auxiliary monitoring instruments and equipment.

[0008] S4. Supporting cables for structural monitoring instruments and equipment, that is, selecting corresponding cables according to the signals and power of the monitoring instruments and equipment, and laying cables according to the geometric characteristics of the structure to connect the monitoring instruments and equipment, including branch wires, main cables, branch communication cables, and main communication cables.

[0009] S5. The computer room of the structural monitoring center is to confirm the server parameters of the computer room according to the hardware and system software of the monitoring instruments and equipment, and to provide corresponding protection and backup power supply, including server hardware, supporting protection and backup power supply.

[0010] Preferably, the environmental monitoring indicators in step S1 include wind speed and direction, temperature and humidity, and rainfall; vibration performance monitoring indicators include acceleration; physical performance monitoring indicators include stress, dynamic stress, deflection, and inclination; accessory device monitoring indicators include displacement, looseness, and preload; traffic load monitoring indicators include load axle weight and load speed; electrochemical auxiliary monitoring indicators of rail steel bridges include stray current; and auxiliary monitoring indicators include video images, fog, and traffic flow.

[0011] Preferably, the environmental monitoring points in step S2 include the driving lane and the highest point of the structure; the vibration performance monitoring points include the key sections of the main beam, the key sections of the piers, and the highest point of the structure; the physical performance monitoring points include the key sections of the main beam, the key sections of the piers, and the key sections of important rods; the auxiliary device monitoring points include supports, expansion joints, and bolts; the traffic load monitoring points include the upper bridge ramp pavement; the electrochemical auxiliary monitoring points of the rail steel bridge include the pier top section; the auxiliary monitoring points include the driving lane, the sidewalk, and the highest point of the structure.

[0012] Preferably, the environmental monitoring instruments and equipment in step S3 include anemometers, thermometers and hygrometers, and rain gauges; the vibration performance monitoring instruments and equipment include accelerometers; the physical performance monitoring instruments and equipment include strain gauges, dynamic strain gauges, displacement gauges, and inclinometers; the accessory device monitoring instruments and equipment include displacement gauges and pressure gauges; the traffic load monitoring instruments and equipment include piezoelectric film load-bearing sensors and speed measurement radars; and the auxiliary monitoring instruments and equipment include high-definition and high-magnification cameras, visibility meters, and video radar all-in-ones.

[0013] Preferably, the branch line wires in step S4 include wires of corresponding types selected according to the power of instruments and equipment within 100 meters, which are generally arranged along the transverse direction of the bridge; the main line cables include cables of corresponding types selected according to the total power of the power supply lines of the instruments and equipment, and cables are arranged along the direction of the bridge / anti-collision guardrails in consideration of fire protection requirements; the branch line communication lines include communication lines of corresponding types selected according to the communication protocols of instruments and equipment within 100 meters, which are generally arranged along the transverse direction of the bridge; the main line communication cables include communication cables of corresponding types selected according to the number of instruments and equipment and the communication protocols, and communication cables are arranged along the direction of the bridge / anti-collision guardrails in consideration of fire protection requirements.

[0014] Preferably, the server hardware in step S5 includes selecting appropriate CPU, memory, hard disk, and power supply configuration according to the number of instruments and equipment, acquisition frequency, industrial computer layout, and monitoring software system; the supporting protection includes positioning according to the engineering function requirements, selecting appropriate firewalls, bastion hosts, anti-virus software, reviewing logs, and determining the corresponding security level; the backup power supply includes selecting appropriate UPS power supply according to the power of various server hardware, switches, and signal converter instruments and equipment in the computer room.

[0015] The beneficial effects of the present invention are: 1. Select reasonable monitoring indicators and monitoring points to effectively improve the pertinence of monitoring, select appropriate monitoring instruments and equipment to improve monitoring results, implement harmonious equipment room layout to give full play to the monitoring value, so that it can simultaneously have structural physical performance analysis and evaluation and surrounding traffic scientific decision-making.

[0016] 2. With the increasing development of current science and technology, the analysis of structural mechanics characteristics and the development of front-end instruments and equipment have been continuously improved. The present invention integrates a wide variety of instruments and equipment by combining structural geometric characteristics, ensuring that data is transmitted to the management center computer room in a timely and efficient manner, providing a basis for scientific decision-making. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The analysis flow chart of the present invention; Figure 2 This is the layout diagram of a double-deck truss bridge; Figure 3 Arrange monitoring items and measuring points for the double-deck truss beam bridge; Figure 4 Collect the transmission layout for this double-deck truss girder bridge; Figure 5 This is a schematic diagram of the integration of the double-deck truss beam bridge monitoring system (the conversion equipment is arranged in sets, including two receiving and transmitting devices).

[0018] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 — Figure 5 As shown, Figure 2 , Figure 3 , Figure 4 This is a schematic diagram of a double-deck truss beam bridge. The bridge adopts a two-span layout with a span combination of 120×2 meters and a floor height of 15 meters. The lower deck is a road-rail dual-purpose bridge, and the upper deck is an urban expressway. Figure 5 It is a system integration method, that is, the front-end instrument equipment is connected to the acquisition instrument, and then through the signal converter, the optical cable is connected, and then the management center room is connected, the signal converter is connected, the aggregation switch is connected, and the server is connected. The embodiment of the present invention provides a general intelligent monitoring system integration method for engineering structures, including the following steps: S1. Structural monitoring indicators, that is, to determine various structural monitoring indicators in combination with the surrounding environment, structural mechanical characteristics, functional requirements, and engineering experience: (1) Environmental monitoring indicators: wind speed and direction, temperature and humidity, and rainfall; (2) Vibration performance monitoring indicators: acceleration; (3) Physical performance monitoring indicators: stress, dynamic stress, deflection, and tilt; (4) Monitoring indicators of accessory devices: displacement, looseness, and preload; (5) Traffic load monitoring indicators: load axle weight, load speed; (6) Electrochemical monitoring indicators of rail steel bridges: stray current; (7) Auxiliary monitoring indicators: video images, fog, and traffic flow.

[0021] S2 / S3, structural monitoring points and instruments and equipment, that is, combining theoretical analysis, numerical simulation, experimental testing, and engineering experience, select key structural sections and confirm each key measuring point; combine the surrounding environment, technical maturity, cost control, and functional applicability to select appropriate monitoring instruments and equipment: (1) Environmental monitoring point: A 3-meter-high column is erected on the top of the middle pier of the bridge, and a set of anemometers, thermometers, and rain gauges are installed; (2) Vibration performance monitoring points: Select the mid-span section of the main truss, consider the middle node and both side nodes of the transverse tie beam, and arrange acceleration sensors respectively; install acceleration sensors on the pier top section as a reference point; (3) Physical performance monitoring points: select the mid-span section of the main truss, the middle section of the diagonal rod / vertical rod, and the middle section of the transverse tie beam, and arrange strain gauges and dynamic strain gauges respectively; (4) Monitoring points of accessory devices: randomly install rope displacement sensors at the supports, and install compressive stress sensors and looseness sensors at the bolts; (5) Traffic load monitoring point: Install dynamic weighing sensors at the expansion joints; (6) Electrochemical monitoring points for rail steel bridges: Install stray current sensors on the main truss section at the pier top; (7) Auxiliary measuring points: High-definition and high-magnification cameras, visibility meters, and integrated video radars are installed above the carriageways and sidewalks.

[0022] S4. Cables supporting structural monitoring equipment, that is, select corresponding cables according to the signal and power of monitoring equipment, and lay cables according to the geometric characteristics of the structure to connect monitoring equipment. (1) Branch wires: Select the corresponding type of wires according to the power of the equipment within 100 meters, and generally arrange them along the horizontal tie beam; (2) Main line cable: Select the appropriate type of cable according to the total power of the power supply line of the instrument and equipment, consider the fire protection requirements, and lay the cable along the main girder / anti-collision guardrail; (3) Branch line communication line: within 100 meters, select the corresponding type of communication line according to the communication protocol of the instrument and equipment, and generally arrange it along the horizontal tie beam; (4) Main line communication cables: Select the appropriate type of communication cables according to the number of instruments and equipment and the communication protocol. Consider fire protection requirements and lay the communication cables along the main truss / anti-collision guardrail.

[0023] S5. The computer room of the structural monitoring center is to confirm the server parameters of the computer room according to the hardware and system software of the monitoring instruments and equipment, and to provide corresponding protection and backup power supply.

[0024] (1) Server hardware: Select appropriate CPU, memory, hard disk, and power supply configuration based on the number of instruments and equipment, acquisition frequency, industrial computer layout, and monitoring software system; (2) Supporting protection: According to the project function requirements, select appropriate firewalls, bastion hosts, anti-virus software, review logs, and determine the corresponding security level; (3) Backup power supply: Select an appropriate UPS power supply based on the power of various server hardware, switches, signal converters and equipment in the computer room.

[0025] The above embodiments do not impose any formal limitations on the shape, material, structure, etc. of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

[0026] In the description of the present invention, it is necessary to understand that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.

[0027] If the words "first", "second", etc. are used in this document to limit components, those skilled in the art should know that the use of "first" and "second" is only to facilitate the description of the present invention and simplify the description. Unless otherwise stated, the above words have no special meaning.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A general intelligent monitoring system integration method for engineering structures, characterized in that: The following steps are involved: S1. Structural monitoring indicators, that is, combining the surrounding environment, structural mechanical characteristics, functional requirements, and engineering experience to confirm various structural monitoring indicators, including environmental monitoring indicators, vibration performance monitoring indicators, physical performance monitoring indicators, auxiliary device monitoring indicators, traffic load monitoring indicators, rail steel bridge electrochemical auxiliary monitoring indicators, and auxiliary monitoring indicators; S2. Structural monitoring points, that is, combining theoretical analysis, numerical simulation, experimental testing, and engineering experience, select key structural sections and confirm various key monitoring points, including environmental monitoring points, vibration performance monitoring points, physical performance monitoring points, auxiliary device monitoring points, traffic load monitoring points, rail steel bridge electrochemical auxiliary monitoring points, and auxiliary monitoring points; S3. Structural monitoring instruments and equipment, that is, selecting appropriate monitoring instruments and equipment in combination with the surrounding environment, technical maturity, cost control, and functional applicability, including environmental monitoring instruments and equipment, vibration performance monitoring instruments and equipment, physical performance monitoring instruments and equipment, auxiliary device monitoring instruments and equipment, traffic load monitoring instruments and equipment, and auxiliary monitoring instruments and equipment; S4, supporting cables for structural monitoring instruments and equipment, i.e., selecting corresponding cables according to the signals and power of the monitoring instruments and equipment, and laying cables according to the geometric characteristics of the structure to connect the monitoring instruments and equipment, including branch wires, main line cables, branch communication cables, and main line communication cables; S5. The computer room of the structural monitoring center is to confirm the server parameters of the computer room according to the hardware and system software of the monitoring instruments and equipment, and to provide corresponding protection and backup power supply, including server hardware, supporting protection and backup power supply.

2. A method for integrating a universal intelligent monitoring system for engineering structures according to claim 1, characterized in that: The environmental monitoring indicators in step S1 include wind speed and direction, temperature and humidity, and rainfall; the vibration performance monitoring indicators include acceleration; the physical performance monitoring indicators include stress, dynamic stress, deflection, and tilt; the auxiliary device monitoring indicators include displacement, looseness, and preload; the traffic load monitoring indicators include load axle weight and load speed; The electrochemical subsidiary monitoring indicators of rail steel bridges include stray current; the auxiliary monitoring indicators include video images, fog and vehicle flow.

3. The method for integrating a universal intelligent monitoring system for engineering structures according to claim 1 is characterized in that: The environmental monitoring points in step S2 include the driving lane and the highest point of the structure; the vibration performance monitoring points include the key cross-section of the main beam, the key cross-section of the pier column, and the highest point of the structure; the physical performance monitoring points include the key cross-section of the main beam, the key cross-section of the pier column, and the key cross-section of important rods; the auxiliary device monitoring points include the bearing, expansion joint, and bolts; the traffic load monitoring points include the upper bridge ramp road surface; The electrochemical monitoring points of rail steel bridges include the pier top section; the auxiliary monitoring points include the carriageway, sidewalk, and the highest point of the structure.

4. The method for integrating a universal intelligent monitoring system for engineering structures according to claim 1, characterized in that: The environmental monitoring instruments and equipment in step S3 include anemometers, thermometers and hygrometers, and rain gauges; the vibration performance monitoring instruments and equipment include accelerometers; the physical performance monitoring instruments and equipment include strain gauges, dynamic strain gauges, displacement gauges, and inclinometers; the auxiliary device monitoring instruments and equipment include displacement gauges and pressure gauges; the traffic load monitoring instruments and equipment include piezoelectric film load-bearing sensors and speed measurement radars; the auxiliary monitoring instruments and equipment include high-definition and high-power cameras, visibility meters, and video radar all-in-one machines.

5. The method for integrating a universal intelligent monitoring system for engineering structures according to claim 1 is characterized in that: The branch line wires in step S4 include wires of corresponding types selected according to the power of instruments and equipment within 100 meters, which are generally arranged along the transverse direction of the bridge; the main line cables include cables of corresponding types selected according to the total power of the power supply lines of the instruments and equipment, and cables are arranged along the direction of the bridge / anti-collision guardrails in consideration of fire protection requirements; the branch line communication lines include communication lines of corresponding types selected according to the communication protocols of instruments and equipment within 100 meters, which are generally arranged along the transverse direction of the bridge; the main line communication cables include communication cables of corresponding types selected according to the number of instruments and equipment and the communication protocols, and communication cables are arranged along the direction of the bridge / anti-collision guardrails in consideration of fire protection requirements.

6. A method for integrating a universal intelligent monitoring system for engineering structures according to claim 1, characterized in that: The server hardware in step S5 includes selecting appropriate CPU, memory, hard disk, and power supply configuration according to the number of instruments and equipment, acquisition frequency, industrial computer layout, and monitoring software system; the supporting protection includes positioning according to the engineering function requirements, selecting appropriate firewalls, bastion hosts, anti-virus software, reviewing logs, and determining the corresponding security level; the backup power supply includes selecting appropriate UPS power supply according to the power of various server hardware, switches, and signal converters in the computer room.

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