Liquefied natural gas tank type railway transportation monitoring device
By integrating sensor components, data acquisition and control components, display components, and communication components, real-time monitoring and early warning of liquefied natural gas tank container rail transport were achieved, solving the problem of not being able to grasp the medium status in real time in existing technologies, improving transportation safety and efficiency, and enhancing emergency response capabilities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA STATE RAILWAY GRP CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-05-01
AI Technical Summary
Existing technologies cannot achieve real-time monitoring and feedback during the rail transport of liquefied natural gas tank containers, resulting in blind spots in safety risks. Escort personnel cannot keep track of the medium's status in real time and cannot assess potential risks in advance.
Employing sensor components, data acquisition and control components, display components, communication components, and handheld terminals, the system collects and analyzes pressure and temperature data of liquefied natural gas tank containers in real time, and displays the data remotely via the communication components, enabling real-time monitoring of the medium's status.
It enables real-time monitoring and early warning of liquefied natural gas tank container rail transport, improving transport safety and efficiency, enhancing emergency response capabilities, reducing transport costs, and improving the level of intelligence.
Smart Images

Figure CN224189270U_ABST
Abstract
Description
A monitoring device for railway transportation of liquefied natural gas tank containers Technical Field
[0001] This application relates to the field of dangerous goods transportation technology, and in particular to a monitoring device for railway transportation of liquefied natural gas tank containers. Background Technology
[0002] Railway monitoring of dangerous goods has traditionally focused on operational procedures, monitoring only key stages such as application, acceptance, transportation, and unloading. It lacks real-time monitoring of the entire cargo's condition, failing to provide real-time monitoring, feedback, and handling of dangerous goods transportation, leaving blind spots in safety risk control. For example, liquefied natural gas (LNG) is a flammable and explosive hazardous material. LNG tank container rail transport requires manual escort, meaning a separate escort vehicle accompanies the transport personnel to check the tank container's condition and handle emergencies during routine inspections. However, the state of LNG changes and fluctuates over time, making it impossible for escort personnel to monitor the medium's condition in real-time and assess potential risks in advance. Summary of the Invention
[0003] This application provides a monitoring device for railway transportation of liquefied natural gas tank containers, which can monitor the status of LNG in real time and effectively improve the safety level of railway transportation of dangerous goods.
[0004] This application provides a monitoring device for railway transportation of liquefied natural gas tank containers, comprising: a sensor assembly, a data acquisition and control assembly, a display assembly, a communication assembly, and a handheld terminal, wherein...
[0005] Sensor components are used to collect pressure and temperature data from liquefied natural gas tank containers;
[0006] A data acquisition and control component is used to perform real-time analysis and processing of the pressure data and the temperature data to obtain real-time temperature and pressure results.
[0007] The display component is used for real-time display and output of the real-time temperature and pressure results;
[0008] The communication component is used for communication between the acquisition and control component and the handheld terminal;
[0009] The handheld terminal is used for remote display of the real-time temperature and pressure results.
[0010] In the above technical solution, by setting up a sensor component, a data acquisition and control component, a display component, a communication component, and a handheld terminal, the sensor component is used to collect pressure and temperature data of the liquefied natural gas tank container; the data acquisition and control component is used to perform real-time analysis and processing of the pressure and temperature data to obtain real-time temperature and pressure results; the display component is used to display and output the real-time temperature and pressure results; the communication component is used for communication between the data acquisition and control component and the handheld terminal; the handheld terminal is used for remote display of the real-time temperature and pressure results; thus, the LNG medium status can be monitored in real time, effectively improving the safety level of railway dangerous goods transportation.
[0011] In one possible implementation, the sensor assembly includes a pressure sensor and a temperature sensor, wherein,
[0012] The pressure sensor is used to collect pressure data from the liquefied natural gas tank container;
[0013] The temperature sensor is used to collect temperature data from liquefied natural gas tank containers.
[0014] In one specific implementation, the pressure sensor is a differential pressure sensor.
[0015] In one possible implementation, the temperature sensor is a thermocouple temperature sensor.
[0016] In one specific implementation, the acquisition control component includes a data acquisition board and a data acquisition motherboard.
[0017] In one possible implementation, the display component includes a liquid crystal display.
[0018] In one specific implementation, the acquisition control component and the display component are integrated into one unit.
[0019] In one specific implementation, the communication component includes a 4G communication module and a first LoRa communication module.
[0020] In one possible implementation, the handheld terminal includes a handheld PAD and a second LoRa communication module.
[0021] In one possible implementation, the handheld PAD and the second LoRa communication module are integrated into a single unit. Attached Figure Description
[0022] Figure 1 is a structural block diagram of the liquefied natural gas tank container railway transportation monitoring device provided in the embodiment of this application;
[0023] Figure 2 is a circuit diagram of the data acquisition board provided in an embodiment of this application. Detailed Implementation
[0024] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present application will become clearer and more apparent.
[0025] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments. Although various aspects of embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated otherwise.
[0026] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0027] To facilitate understanding of the liquefied natural gas (LNG) tank container railway transportation monitoring device provided in this application embodiment, its application scenario will be explained first. The LNG tank container railway transportation monitoring device provided in this application embodiment is used to monitor the LNG medium status in real time, effectively improving the safety level of railway dangerous goods transportation. Railway dangerous goods monitoring has traditionally focused on monitoring the operational process, only tracking the progress of key stages such as application, acceptance, transportation, and unloading. It lacks real-time monitoring of the entire cargo status, failing to provide real-time monitoring, feedback, and handling of dangerous goods transportation, leaving blind spots in safety risk control. For example, liquefied natural gas (LNG) is a flammable and explosive dangerous good. LNG tank container railway transportation requires manual escort, meaning a separate escort vehicle accompanies the escort personnel and cargo handlers during transportation, allowing them to disembark during cargo inspections along the route to check the tank container status and handle emergencies. However, the medium status of LNG changes and fluctuates over time during transportation, and escort personnel cannot monitor the medium status in real time or assess potential risks in advance. Therefore, this application provides a liquefied natural gas tank container railway transportation monitoring device to monitor the LNG medium status in real time and effectively improve the safety level of railway dangerous goods transportation. The following detailed description, in conjunction with specific accompanying drawings, illustrates the embodiments.
[0028] Referring to Figures 1 and 2, Figure 1 is a structural block diagram of the liquefied natural gas tank container railway transportation monitoring device provided in an embodiment of this application; Figure 2 is a circuit diagram of the data acquisition board provided in an embodiment of this application.
[0029] In Figures 1 and 2, this application provides a monitoring device for railway transportation of liquefied natural gas tank containers, including: a sensor assembly, a data acquisition and control assembly, a display assembly, a communication assembly, and a handheld terminal, wherein...
[0030] Sensor components are used to collect pressure and temperature data from liquefied natural gas tank containers;
[0031] A data acquisition and control component is used to perform real-time analysis and processing of the pressure data and the temperature data to obtain real-time temperature and pressure results.
[0032] The display component is used for real-time display and output of the real-time temperature and pressure results;
[0033] The communication component is used for communication between the acquisition and control component and the handheld terminal;
[0034] The handheld terminal is used for remote display of the real-time temperature and pressure results.
[0035] In the above technical solution, by setting up a sensor component, a data acquisition and control component, a display component, a communication component, and a handheld terminal, the sensor component is used to collect pressure and temperature data of the liquefied natural gas tank container; the data acquisition and control component is used to perform real-time analysis and processing of the pressure and temperature data to obtain real-time temperature and pressure results; the display component is used to display and output the real-time temperature and pressure results; the communication component is used for communication between the data acquisition and control component and the handheld terminal; the handheld terminal is used for remote display of the real-time temperature and pressure results; this allows for real-time monitoring of the LNG medium status, effectively improving the safety level of railway dangerous goods transportation; at the same time, it reduces transportation costs and enhances market competitiveness.
[0036] In one possible implementation, the sensor assembly includes a pressure sensor and a temperature sensor, wherein,
[0037] The pressure sensor is used to collect pressure data from the liquefied natural gas tank container;
[0038] The temperature sensor is used to collect temperature data from liquefied natural gas tank containers.
[0039] In one specific implementation, the pressure sensor is a differential pressure sensor.
[0040] In one possible implementation, the temperature sensor is a thermocouple temperature sensor.
[0041] In one specific implementation, the acquisition control component includes a data acquisition board and a data acquisition motherboard.
[0042] In one possible implementation, the display component includes a liquid crystal display.
[0043] In one specific implementation, the acquisition control component and the display component are integrated into one unit.
[0044] In one specific implementation, the communication component includes a 4G communication module and a first LoRa communication module.
[0045] In one possible implementation, the handheld terminal includes a handheld PAD and a second LoRa communication module.
[0046] In one possible implementation, the handheld PAD and the second LoRa communication module are integrated into a single unit.
[0047] Specifically, referring to Figures 1 and 2, the beneficial effects of the liquefied natural gas tank container railway transportation monitoring device include:
[0048] Real-time monitoring and early warning: The sensor components collect pressure and temperature data of the liquefied natural gas tank in real time. The data acquisition and control components can analyze and process this data in real time. Once an anomaly is detected (such as excessively high pressure or excessively low / high temperature), an early warning mechanism can be quickly triggered to effectively prevent potential safety hazards and ensure safety during transportation.
[0049] Improve transportation efficiency: The real-time display component can directly display the temperature and pressure results in real time, allowing operators to immediately understand the status of the tank container without waiting for manual inspection or reports, thereby speeding up decision-making and improving overall transportation efficiency.
[0050] Remote monitoring and management: The communication component enables the data acquisition and control component to communicate wirelessly with the handheld terminal. This means that even if the manager is not on-site, they can remotely view various data of the liquefied natural gas tank container through the handheld terminal, realizing remote monitoring and management, and improving the flexibility and convenience of management.
[0051] Data recording and analysis: The acquisition and control components not only process real-time data, but may also have data storage functions. The data accumulated over a long period of time can be used for subsequent analysis to help optimize transportation conditions, predict potential problems, and develop more scientific maintenance plans, thereby improving the reliability and economy of transportation.
[0052] Enhanced emergency response capabilities: In emergency situations, such as leaks or early signs of accidents, the remote display function of the handheld terminal can quickly transmit information to relevant personnel, accelerate the emergency response speed, and reduce accident losses.
[0053] Enhanced intelligence and automation: The design of the entire monitoring device reflects the trend of intelligence and automation, reducing manual intervention, improving the accuracy and efficiency of monitoring, and also reducing labor costs.
[0054] In summary, the liquefied natural gas (LNG) tank container railway transportation monitoring device, by integrating multiple advanced technologies, not only improves the safety and efficiency of the transportation process but also enhances emergency response capabilities and intelligence levels, which is of great significance for ensuring the safe and efficient operation of LNG railway transportation. The specific structures and control principles of the sensor components, data acquisition and control components, display components, communication components, and handheld terminals are well-known technologies and will not be elaborated upon here.
[0055] Furthermore, the handheld terminal's communication components utilize a LoRa communication module, which offers several advantages, including:
[0056] Strong long-range communication capabilities: LoRa technology is renowned for its superior long-range communication capabilities, enabling monitoring devices to transmit data stably over long distances. This is crucial for monitoring liquefied natural gas tank container rail transport, as transport vehicles may need to move across vast areas, and LoRa modules ensure stable and reliable data transmission between different locations.
[0057] Low power consumption: LoRa modules are designed for low power consumption, making them suitable for battery-powered devices. This means that monitoring devices can operate for extended periods without frequent battery replacements. This low power consumption reduces maintenance costs and improves the overall reliability and lifespan of the device.
[0058] Strong anti-interference capability: LoRa technology employs spread spectrum modulation, exhibiting strong anti-interference capabilities and maintaining stable communication in complex radio environments. This is particularly important for monitoring liquefied natural gas tank container rail transport, as various electromagnetic interferences may occur during transportation, and LoRa modules can ensure accurate data transmission.
[0059] Easy to deploy and maintain: LoRa modules require no power cord, making deployment simple and convenient, significantly saving installation time and costs. Furthermore, as LoRa technology is a global standard, it allows for seamless connectivity and expansion with other brands of equipment, facilitating future maintenance and upgrades.
[0060] High cost-effectiveness: The relatively low cost of LoRa modules makes the entire monitoring device cost-competitive. The cost-effectiveness of LoRa modules is particularly significant during large-scale deployments, helping to reduce overall project costs.
[0061] Support for large-scale device connectivity: LoRa networks can support a large number of device connections, which is a significant advantage for monitoring LNG tanker rail transport that requires multiple sensors. Multiple sensors can transmit data simultaneously, improving the real-time performance and accuracy of monitoring.
[0062] High security: The LoRaWAN protocol provides end-to-end encryption, ensuring the security of data transmission. This is crucial for monitoring liquefied natural gas tank container rail transport, which requires the protection of sensitive information.
[0063] Those skilled in the art will know that this application can be implemented as a system, method, or computer program product.
[0064] Therefore, this disclosure can be implemented in the following forms: it can be entirely hardware, entirely software (including firmware, resident software, microcode, etc.), or a combination of hardware and software, generally referred to herein as a "circuit," "module," or "system." Furthermore, in some embodiments, this application can also be implemented as a computer program product in one or more computer-readable media, which contains computer-readable program code.
[0065] Any combination of one or more computer-readable media may be used. A computer-readable medium can be a computer-readable signal medium or a computer-readable storage medium. A computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of computer-readable storage media include: an electrical connection having one or more wires, a portable computer disk, a hard disk, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination thereof. In this document, a computer-readable storage medium can be any tangible medium that contains or stores a program that can be used by or in connection with an instruction execution system, apparatus, or device.
[0066] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application. Based on this, various substitutions and improvements can be made to this application, all of which fall within the protection scope of this application.
Claims
1. A monitoring device for railway transportation of liquefied natural gas tank containers, characterized in that, include: The system includes a sensor component, a data acquisition and control component, a display component, a communication component, and a handheld terminal. The sensor component is used to acquire pressure and temperature data from a liquefied natural gas tank container. The data acquisition and control component is used to perform real-time analysis and processing of the pressure and temperature data to obtain real-time temperature and pressure results. The display component is used to display and output the real-time temperature and pressure results in real time. The communication component is used for communication between the data acquisition and control component and the handheld terminal. The handheld terminal is used for remote display of the real-time temperature and pressure results.
2. The liquefied natural gas tank container railway transportation monitoring device according to claim 1, characterized in that, The sensor assembly includes a pressure sensor and a temperature sensor, wherein the pressure sensor is used to collect pressure data of the liquefied natural gas tank container; and the temperature sensor is used to collect temperature data of the liquefied natural gas tank container.
3. The liquefied natural gas tank container railway transportation monitoring device according to claim 2, characterized in that, The pressure sensor is a differential pressure sensor.
4. The liquefied natural gas tank container railway transportation monitoring device according to claim 3, characterized in that, The temperature sensor is a thermocouple temperature sensor.
5. The liquefied natural gas tank container railway transportation monitoring device according to claim 4, characterized in that, The acquisition and control component includes a data acquisition board and a data acquisition motherboard.
6. The liquefied natural gas tank container railway transportation monitoring device according to claim 5, characterized in that, The display component includes a liquid crystal display.
7. The liquefied natural gas tank container railway transportation monitoring device according to claim 6, characterized in that, The acquisition control component and the display component are integrated into one unit.
8. The liquefied natural gas tank container railway transportation monitoring device according to claim 7, characterized in that, The communication components include a 4G communication module and a first LoRa communication module.
9. The liquefied natural gas tank container railway transportation monitoring device according to claim 8, characterized in that, The handheld terminal includes a handheld PAD and a second LoRa communication module.
10. The liquefied natural gas tank container railway transportation monitoring device according to claim 9, characterized in that, The handheld PAD and the second LoRa communication module are integrated into one unit.