A new type of water level measurement environmental monitoring operation system for a port

Abstract

A kind of new water level measurement environmental monitoring operation system of port, including data acquisition module, data processing module, data display module, early warning control module and operation equipment;The data acquisition module is electrically connected with data processing module, the data processing module is respectively connected with data display module, early warning control module, the early warning control module is connected with operation equipment communication;The data acquisition module includes weather monitoring part and radar liquid level meter;The weather monitoring part is used to collect the wind speed, temperature, humidity, PM2.5 concentration data of wharf site;The radar liquid level meter is used to collect the real-time distance data with water surface, and the real-time water level of wharf is calculated in combination with the preset "design highest water level point" and "transfer station layer height distance".The utility model aims at overcoming the problem that environmental monitoring data is dispersed in field production operation, early warning is not timely, and is disjointed with operation process, realizes the real-time acquisition, processing, display, early warning of water level and multidimensional environmental data, and links control operation equipment, improves the safety and reliability of wharf production operation.

Description

Technical Field

[0001] This utility model relates to the fields of industrial PLC programming, communication ring network, and environmental safety monitoring technology. Specifically, it is a safety monitoring system for intelligent monitoring of port operations, which can realize real-time monitoring and early warning of water level and multi-dimensional environmental data, as well as linkage control of operating equipment. Background Technology

[0002] As a type of large-scale transportation hub, ports have a wide range of operations, covering a variety of port services such as loading and unloading of containers, coal, and general cargo, warehousing, transshipment, tallying, shipping agency, and tugboat services. They are an important support for the economic and social development and modernization of riverside and coastal areas, as well as a fundamental support for promoting industrialization and expanding opening up to the outside world.

[0003] However, port operating environments are complex and variable, and safety supervision is challenging due to the combined effects of personnel operations and the natural environment. Traditional port monitoring methods often rely on independent weather stations or water level measurement equipment, resulting in fragmented data that cannot be integrated with operational processes. This makes it difficult for operators to obtain comprehensive environmental risk information in a timely manner, leading to insufficient capacity for accident prevention and control. To improve port safety quality, strengthen personnel safety awareness, standardize operational processes, and reduce the risk of accidents, it is urgent to enhance the technological content of safety supervision and build an integrated monitoring and control system to support the transformation of ports into green, efficient, intelligent, and smart ports. Utility Model Content

[0004] This utility model aims to overcome the problems of scattered environmental monitoring data, untimely early warning, and disconnection from the operation process in on-site production operations. It provides a new type of port water level measurement and environmental monitoring operation system, which realizes real-time collection, processing, display, and early warning of water level and multi-dimensional environmental data, and links and controls the operation equipment to improve the safety and reliability of dock production operations.

[0005] To solve the above problems, the technical solution of this utility model is as follows: A novel port water level measurement and environmental monitoring system includes a data acquisition module, a data processing module, a data display module, an early warning control module, and operating equipment. The data acquisition module is electrically connected to the data processing module, and the data processing module is communicatively connected to both the data display module and the early warning control module. The early warning control module is communicatively connected to the operating equipment. The data acquisition module includes a meteorological monitoring section and a radar level gauge. The meteorological monitoring section is used to collect data on wind speed, temperature, humidity, and PM2.5 concentration at the dock site. The radar level gauge is used to collect real-time distance data to the water surface and calculate the real-time water level of the dock by combining the preset "design maximum water level point" and "transfer station floor height distance".

[0006] Furthermore, the data processing module includes a monitoring PLC and a control PLC; the monitoring PLC is electrically connected to the data acquisition module, and receives and processes data collected by the meteorological monitoring section and the radar level gauge; the control PLC, as the main controller of the process control system, is connected to the monitoring PLC through a communication ring network, and is used to receive the processed data transmitted by the monitoring PLC.

[0007] Furthermore, the monitoring PLC is configured in the slave station of the control PLC process control system, and data interaction is achieved using a configuration network.

[0008] Furthermore, the data display module includes an on-site display screen and an integrated production management back-end system; the on-site display screen is electrically connected to a monitoring PLC and is used to display real-time data on wind speed, temperature, humidity, PM2.5 concentration, and real-time water level at the dock; the integrated production management back-end system is communicatively connected to a control PLC and is used to display the above-mentioned environmental and water level data in real-time on a large screen in the dispatch and command center.

[0009] Furthermore, the on-site display screen is an outdoor high-brightness LED screen with a waterproof and dustproof outer shell and an anti-interference coating on the surface of the shell; the dispatch and command center screen is composed of multiple display units spliced ​​together, with sealing strips at the splicing points, a heat dissipation fan assembly on the back of the screen, and the screen is directly connected to the communication interface of the control PLC via a communication cable.

[0010] Furthermore, the early warning control module includes a threshold judgment circuit integrated inside the monitoring PLC, a signal triggering circuit integrated inside the control PLC, and a field broadcast alarm electrically connected to the control PLC; the signal output terminal of the threshold judgment circuit is connected to the signal input terminal of the control PLC via a wire, and the signal output terminal of the signal triggering circuit is connected to the field broadcast alarm and the control interface of the working equipment, respectively.

[0011] Furthermore, the operating equipment includes a coal conveyor belt, a bucket wheel excavator, a ship loader, and a ship unloader; a TIA Porto 1500 PLC is fixedly installed on the bucket wheel excavator, a TIA Porto 1500 PLC is fixedly installed on the ship loader, and a TIA Porto 1700 PLC is fixedly installed on the ship unloader; the TIA Porto 1500 PLC and TIA Porto 1700 PLC are both connected to the ring network interface of the control PLC via industrial Ethernet cables, and the control output terminals of each PLC are electrically connected to the start / stop control switches of the corresponding operating equipment.

[0012] The beneficial effects of this utility model are as follows: 1. This system integrates meteorological monitoring and radar level gauges through a data acquisition module, establishing a direct electrical connection with the monitoring PLC. This avoids the data transmission loss and information fragmentation problems associated with traditional distributed equipment. The monitoring PLC can professionally process the collected raw data and, combined with preset parameters, calculate the real-time water level at the wharf without manual intervention, effectively solving the problems of data fragmentation and cumbersome conversion in traditional monitoring. Furthermore, the monitoring PLC acts as a slave station to the control PLC process control system, achieving data interaction through a configuration network. This ensures stable and synchronous transmission of environmental and water level data to the control PLC, providing a complete and reliable data source for subsequent data analysis, early warning triggering, and equipment control, thus improving data utilization efficiency. 2. The data display module features a dual-terminal setup: an on-site display screen and a large screen in the dispatch and command center. The on-site display screen is directly connected to the monitoring PLC, enabling real-time display of key monitoring data. This allows operators to immediately grasp the environmental status at the work site, avoiding information delays caused by distance from the control center. The large screen in the dispatch and command center communicates with the control PLC to synchronously present monitoring data, providing managers with a comprehensive view of environmental risks. Furthermore, considering the specific environmental requirements of ports, both the on-site display screen and the large screen in the dispatch and command center employ adaptable hardware designs to ensure clear and stable data display in harsh outdoor environments and long-term indoor operation scenarios. This ensures that personnel in different positions can promptly obtain the necessary information, enhancing the precision of safety management. 3. The early warning control module integrates a threshold judgment circuit within the monitoring PLC and a signal triggering circuit within the control PLC, along with a field broadcast alarm, to construct an automated early warning response mechanism. The monitoring PLC can compare monitoring data with safety thresholds in real time. Once the threshold is exceeded, it immediately sends an early warning signal to the control PLC. The control PLC quickly triggers the field broadcast alarm to issue a notification and transmits control commands to the operating equipment. No manual intervention is required, significantly shortening the time from risk identification to alarm triggering and equipment response. This avoids the delay problems of traditional manual intervention modes and effectively reduces the probability of safety accidents in hazardous environments. 4. In the operating equipment, the bucket wheel excavator, ship loader, and ship unloader are each equipped with a dedicated PLC, which is directly connected to the ring network interface of the control PLC via industrial Ethernet cables, forming a dedicated communication link. When the control PLC issues a control command, the command can be quickly and accurately transmitted to the PLC of each operating device through the dedicated link. The device PLC then drives the start / stop control switch to operate, ensuring that the equipment can adjust its operating status in a timely manner according to the warning situation (locking the operating conditions when not in operation and forcibly stopping the machine during operation). This dedicated linkage design reduces intermediate conversion components, lowers the risk of failure, and can adapt to the control needs of different operating equipment, improving the accuracy and reliability of equipment control and achieving deep integration of warning and equipment control. Attached Figure Description The present invention will be further described below with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of this utility model. Figure 2 This utility model relates to the ring network communication configuration between a Siemens 400 PLC process control system and a Smart200 PLC for a meteorological monitoring station.

[0013] In the diagram: Data acquisition module 1, monitoring PLC 2, control PLC 3, data display module 4. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] like Figure 1 and 2 As shown, a novel port water level measurement and environmental monitoring system includes a data acquisition module, a data processing module, a data display module, an early warning control module, and operating equipment. The data acquisition module is electrically connected to the data processing module, and the data processing module is communicatively connected to both the data display module and the early warning control module. The early warning control module is communicatively connected to the operating equipment. The data acquisition module includes a meteorological monitoring section and a radar level gauge. The meteorological monitoring section collects data on wind speed, temperature, humidity, and PM2.5 concentration at the dock. The radar level gauge collects real-time distance data to the water surface and calculates the real-time water level of the dock by combining the preset "design maximum water level point" and "T19 transfer station height distance". The meteorological monitoring section includes a wind speed sensor, a temperature sensor, a humidity sensor, and a PM2.5 sensor installed at a meteorological monitoring station at the highest point of the dock. The radar level gauge is installed near the T19 transfer station, directly facing the water surface.

[0016] By establishing a complete hardware connection system consisting of a data acquisition module, a data processing module, a data display module, an early warning and control module, and operational equipment, the meteorological monitoring component of the data acquisition module first captures real-time environmental parameters such as wind speed, temperature, humidity, and PM2.5 concentration at the dock. Simultaneously, the radar level gauge collects real-time distance data to the water surface. Subsequently, the data acquisition module transmits all raw data to the data processing module via electrical connection. The distance data from the radar level gauge, combined with preset "design maximum water level point" and "transfer station height distance," completes the real-time water level calculation at the dock. The data processing module then transmits data to the data display module and sends commands to the early warning and control module via communication connection. Finally, the early warning and control module communicates and coordinates with the operational equipment. This solves the data silo problem of traditional port meteorological and water level monitoring equipment operating independently, achieving integrated acquisition and flow of multi-dimensional monitoring data. It avoids the cumbersome operation of operators having to check data from multiple sets of equipment separately, and provides complete data support for subsequent accurate early warning and equipment linkage. Furthermore, the clear module connection relationship ensures stable data transmission paths, guarantees the real-time nature and integrity of monitoring data, and meets the basic needs of port operations for comprehensive environmental risk perception.

[0017] Furthermore, the data processing module includes a monitoring PLC (Smart200 PLC (model CPUSR40)) and a control PLC (Siemens 400 PLC (model CPU414-3PN / DP)). The monitoring PLC is electrically connected to the data acquisition module, receiving and processing data collected by the meteorological monitoring section and the radar level gauge. The control PLC, as the main controller of the process control system, is connected to the monitoring PLC via a communication ring network and is used to receive the processed data transmitted by the monitoring PLC. The monitoring PLC is installed in the control cabinet of the meteorological monitoring station and is connected to each sensor and radar level gauge through an analog input module (EMAI04). The control PLC is installed in the central control room and establishes a slave connection with the monitoring PLC through a PROFIBUS bus, integrating it into the same configuration network.

[0018] The data processing module is subdivided into a monitoring PLC and a control PLC. The monitoring PLC directly receives raw meteorological and water level data transmitted from the data acquisition module via electrical connection. After filtering and converting the data, it transmits the processed data to the control PLC, which serves as the main controller of the process control system, through a communication ring network. On the one hand, this allows the monitoring PLC to focus on front-end data processing, reducing the computational load on the control PLC, improving data processing efficiency, and avoiding delays caused by an overloaded single PLC. On the other hand, the communication ring network has redundant transmission capabilities, which, compared to traditional point-to-point communication, can effectively avoid data loss caused by a single communication link failure, ensuring stable transmission of processed data to the control PLC. This provides a reliable data source for subsequent data display and early warning control. At the same time, the control PLC, as the main controller, can coordinate the various modules of the system, further enhancing the coherence of the overall system control logic.

[0019] Furthermore, the monitoring PLC is configured as a slave station in the control PLC process control system, and data interaction is achieved using a configuration network. That is, the monitoring PLC, as a slave station, is only responsible for front-end data acquisition and preliminary processing, synchronizing data to the master control PLC via the configuration network protocol, and adhering to the unified communication standard of the configuration network during data interaction. This deeply integrates the monitoring PLC into the overall process control system of the control PLC, avoiding problems such as communication protocol incompatibility and data synchronization delays caused by two independent PLCs. At the same time, the standardized data interaction mode of the configuration network reduces the difficulty of system debugging and shortens the installation and debugging cycle. In addition, the slave-master architecture allows the control PLC to obtain the real-time operating status of the monitoring PLC. If the monitoring PLC malfunctions, the control PLC can quickly identify and issue a fault warning, improving the convenience of system maintenance and ensuring the long-term stable operation of the data processing module.

[0020] Furthermore, the data display module includes a field display screen and an integrated production management backend system. The field display screen is electrically connected to the monitoring PLC, displaying real-time data on wind speed, temperature, humidity, PM2.5 concentration, and real-time water level at the dock, allowing on-site personnel to view these data intuitively. The integrated production management backend system is communicatively connected to the control PLC, used to display the aforementioned environmental and water level data in real-time on the large screen of the dispatch and command center. This "field + remote" dual-display design achieves layered visualization of monitoring data: the field display screen meets the needs of operators to monitor environmental risks in real time at the operation site, avoiding information delays caused by distance from the control center; the dispatch and command center large screen provides managers with a global monitoring perspective, facilitating a comprehensive assessment of the overall port operation environment's safety status. The collaboration between the two ensures that personnel in different positions can obtain the necessary monitoring data in a timely manner, improving the precision of port operation safety management and reducing safety hazards caused by information asymmetry.

[0021] Furthermore, the on-site display screen is an outdoor high-brightness LED screen installed at the entrance of the dock operation area. The screen body is equipped with a waterproof and dustproof shell to prevent the humid air and dust in the port from corroding the internal components of the screen. The anti-interference coating on the surface of the shell can reduce the interference of the complex electromagnetic environment of the port on the display signal, ensuring that outdoor workers can still clearly view the data in strong light, rainy days, and dusty environments. The dispatch and command center screen is composed of multiple display units spliced ​​together. The sealing strips at the splicing points can prevent dust from entering the splicing gaps and affecting the display effect. The cooling fan group at the back can dissipate the heat generated by the operation of the screen in a timely manner, avoiding display failures caused by high temperature. At the same time, the screen is directly connected to the communication interface of the control PLC through a communication cable, reducing intermediate transmission links and reducing data latency.

[0022] Furthermore, the early warning control module includes a threshold judgment circuit integrated into the monitoring PLC, a signal triggering circuit integrated into the control PLC, and a field broadcast alarm electrically connected to the control PLC. The signal output terminal of the threshold judgment circuit is connected to the signal input terminal of the control PLC via a wire, and the signal output terminal of the signal triggering circuit is connected to the field broadcast alarm and the control interface of the work equipment, respectively. This "front-end judgment + master station triggering" early warning logic shortens the transmission path of the early warning signal. Compared with the traditional "data uploaded to the background and then instructions issued" mode, it can significantly reduce the early warning response time and ensure that alarms are issued quickly when dangerous environmental factors occur. At the same time, the audible and visual prompts of the field broadcast alarm can directly remind on-site workers, avoiding the limitations of relying solely on background notifications. The direct connection between the signal triggering circuit and the control interface of the work equipment provides the hardware foundation for subsequent linkage control of the work equipment, realizing a rapid closed loop of "early warning-alarm" and reducing the probability of accidents in dangerous environments.

[0023] Furthermore, the operating equipment includes a coal conveyor belt, a bucket wheel excavator, a ship loader, and a ship unloader; a TIA Porto 1500 PLC is fixedly installed on the bucket wheel excavator, a TIA Porto 1500 PLC is fixedly installed on the ship loader, and a TIA Porto 1700 PLC is fixedly installed on the ship unloader; the TIA Porto 1500 PLC and TIA Porto 1700 PLC are both connected to the ring network interface of the control PLC via industrial Ethernet cables, and the control output terminals of each PLC are electrically connected to the start / stop control switches of the corresponding operating equipment.

[0024] This structure allows the operating equipment to respond quickly to the commands of the early warning control module. The high-speed transmission characteristics of industrial Ethernet cables ensure that the command transmission delay is less than 1 second, avoiding untimely equipment shutdowns due to command delays. At the same time, each operating device is equipped with a dedicated PLC, which can fine-tune the control logic according to the equipment's own operating parameters (such as the rotation speed of the bucket wheel excavator and the loading capacity of the ship loader), improving control accuracy. In addition, the direct connection between the fixed-installation PLC and the start / stop control switch reduces intermediate relays and other conversion components, reduces the number of failure points, and ensures the reliability of equipment linkage control. Ultimately, it realizes a complete closed loop of "early warning-stop", minimizing the safety accidents caused by the operation of operating equipment in harsh environments.

[0025] The working process of this utility model is as follows: S1. Data Acquisition Phase; The meteorological monitoring section of the data acquisition module (wind speed, temperature, humidity, PM2.5 sensors) captures real-time environmental parameters at the dock, while the radar level gauge continuously measures the vertical distance to the water surface. Analog signals from all sensors are transmitted via shielded cables to the monitoring PLC in the data processing module. The distance data from the radar level gauge is combined with preset parameters such as the "design maximum water level point" and the "T19 transfer station floor height distance" to provide raw data for subsequent water level calculations.

[0026] S2. Data processing and transmission stage; The monitoring PLC converts the analog signals from the sensors into digital signals through its internal data conversion circuit, simultaneously calculating the water level (real-time water level = design maximum water level point - distance from T19 transfer station level - radar measurement distance). The processed data is transmitted to the on-site display screen via wires and simultaneously sent to the control PLC main controller via a communication ring network using the configuration network communication protocol. After receiving the data, the control PLC forwards it to the integrated production management backend system via industrial Ethernet cables, enabling data transmission to the large screen in the dispatch and command center.

[0027] S3. Warning Triggering Phase; The threshold judgment circuit integrated into the monitoring PLC compares environmental parameters and water level data in real time. When the detected data exceeds the preset safety threshold (such as wind speed > 15m / s, water level > 38m, etc.), it immediately sends a switch warning signal to the control PLC. After receiving the signal, the signal triggering circuit of the control PLC activates the on-site broadcast alarm through a wire, and at the same time sends control commands to the PLC of the working equipment through the ring network interface.

[0028] S4. Equipment linkage control stage; After receiving commands from the control PLC via industrial Ethernet cables, the Porto 1500 PLC for the bucket wheel excavator and ship loader, and the Porto 1700 PLC for the ship unloader, their control outputs immediately drive the start / stop control switches of the corresponding operating equipment: if the dock is not in operation, the switch remains open to lock the operating conditions; if in operation, the switch quickly switches to the open state, forcing the coal conveyor belt, bucket wheel excavator, ship loader, and ship unloader to stop running until the warning signal is cleared, at which point the control PLC sends a reset command to restore the equipment to an operational state.

[0029] The entire working process is automated through the logical connection of hardware circuits and data transmission paths, realizing the full-process automation of "environmental perception - data processing - early warning response - equipment control". The signal transmission of each link is completed by physical cables or communication interfaces, ensuring the stable operation of the system in the complex environment of the port.

[0030] The embodiments described in this specification are merely examples of implementations of the inventive concept. The scope of protection of this utility model should not be considered as limited to the specific forms described in the embodiments. The scope of protection of this utility model also extends to equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.

Claims

1. A novel port water level measurement and environmental monitoring system, characterized in that, The system includes a data acquisition module, a data processing module, a data display module, an early warning control module, and operating equipment. The data acquisition module is electrically connected to the data processing module, and the data processing module is communicatively connected to both the data display module and the early warning control module. The early warning control module is communicatively connected to the operating equipment. The data acquisition module includes a meteorological monitoring section and a radar level gauge. The meteorological monitoring section is used to collect data on wind speed, temperature, humidity, and PM2.5 concentration at the dock site. The radar level gauge is used to collect real-time distance data to the water surface and calculate the real-time water level of the dock by combining the preset "design maximum water level point" and "transfer station floor height distance".

2. The port novel water level measurement and environmental monitoring system according to claim 1, characterized in that, The data processing module includes a monitoring PLC and a control PLC; the monitoring PLC is electrically connected to the data acquisition module, and receives and processes data collected by the meteorological monitoring section and the radar level gauge; the control PLC, as the main controller of the process control system, is connected to the monitoring PLC through a communication ring network and is used to receive the processed data transmitted by the monitoring PLC.

3. The port new water level measurement and environmental monitoring system according to claim 2, characterized in that, The monitoring PLC is configured in the slave station of the control PLC process control system, and data interaction is achieved through a configuration network.

4. The port novel water level measurement and environmental monitoring system according to claim 1, characterized in that, The data display module includes an on-site display screen and an integrated production management back-end system; the on-site display screen is electrically connected to a monitoring PLC and is used to display real-time data on wind speed, temperature, humidity, PM2.5 concentration, and real-time water level at the dock; the integrated production management back-end system is communicatively connected to a control PLC and is used to display the above environmental and water level data in real-time on a large screen in the dispatch and command center.

5. The port novel water level measurement and environmental monitoring system according to claim 4, characterized in that, The on-site display screen is an outdoor high-brightness LED screen with a waterproof and dustproof outer shell and an anti-interference coating on the surface of the shell. The dispatch and command center screen is composed of multiple display units spliced ​​together, with sealing strips at the splicing points. A heat dissipation fan group is located on the back of the screen, and the screen is directly connected to the communication interface of the control PLC via a communication cable.

6. The port novel water level measurement and environmental monitoring system according to claim 1, characterized in that, The early warning control module includes a threshold judgment circuit integrated inside the monitoring PLC, a signal triggering circuit integrated inside the control PLC, and a field broadcast alarm electrically connected to the control PLC; the signal output terminal of the threshold judgment circuit is connected to the signal input terminal of the control PLC via a wire, and the signal output terminal of the signal triggering circuit is connected to the field broadcast alarm and the control interface of the working equipment, respectively.

7. The port novel water level measurement and environmental monitoring system according to claim 6, characterized in that, The operating equipment includes a coal conveyor belt, a bucket wheel excavator, a ship loader, and a ship unloader; a TIA Porto 1500 PLC is fixedly installed on the bucket wheel excavator, a TIA Porto 1500 PLC is fixedly installed on the ship loader, and a TIA Porto 1700 PLC is fixedly installed on the ship unloader; the TIA Porto 1500 PLC and TIA Porto 1700 PLC are all connected to the ring network interface of the control PLC via industrial Ethernet cables, and the control output terminals of each PLC are electrically connected to the start / stop control switches of the corresponding operating equipment.

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