Carrier communication embedded airport runway dynamic early warning device

Abstract

The invention provides a carrier communication embedded dynamic early warning device for an airport runway. The carrier communication embedded dynamic early warning device comprises a lamp box, a built-in bracket, an isolation transformer, a monitoring control box, an underground water level sensor, a water gauge, a drainage device and a runway monitoring platform, the monitoring control box comprises a waterproof metal box, and a constant-current-to-constant-voltage circuit module, a lithium battery module, an embedded monitoring mainboard, a water sensor, a seismic wave sensor, a vibration sensor and a carrier communication module which are arranged in the waterproof metal box; the carrier communication embedded airport runway dynamic early warning device provided by the invention can monitor, analyze and early warn dynamic factors influencing the runway state, such as runway surface layer temperature, underground water level, runway surface vibration intensity during takeoff, landing and skating of an airplane, seismic waves and the like, can monitor the water immersion state of the lamp box, can automatically drain water, and can supply power by utilizing a navigation-aiding lighting system; carrier communication and runway monitoring platform networking are adopted, the system structure is simple, the engineering cost is saved, and installation is convenient.

Description

Technical Field

[0001] This invention relates to the field of airport runway condition monitoring technology, and in particular to a carrier communication embedded airport runway dynamic early warning device. Background Technology

[0002] An airport runway is a rectangular area designated for aircraft landing and takeoff at a land-based airport. Changes in the runway's condition caused by external conditions directly affect air defense security. Domestic and international technologies for monitoring runway conditions mainly include meteorological observation systems, FOD (Foreign Object Debris) monitoring systems, runway intrusion prevention systems, and multi-information fusion intelligent runway monitoring systems. Among them, the multi-information fusion intelligent runway monitoring system, in addition to integrating runway condition monitoring information from other systems, also adds functions such as runway foundation settlement monitoring, pavement structure monitoring, load environment monitoring, and moving target monitoring. It has already been applied in some airports in China. Multi-information fusion intelligent runway monitoring systems monitor dynamic changes in runway foundation settlement, pavement structure, and load environment. However, they lack early warning for the impact of external dynamic factors such as seismic waves on runway conditions. Furthermore, the monitoring sensors are primarily installed by embedding them in the runway surface concrete (with some sensors installed in adjacent soil areas), making them suitable for newly built runways but difficult to implement on existing runways. Additionally, the power supply for front-end runway condition monitoring sensors and other equipment relies mainly on power cables laid along the runway from the power center and apron power distribution booths. Data transmission primarily relies on fiber optic networks. Due to the long runways, the required power cables and optical fibers are also long, resulting in high material and construction costs, posing a significant investment challenge for small and medium-sized airports. Therefore, it is essential to design a carrier communication embedded airport runway dynamic early warning device to monitor, analyze, and provide early warning for external dynamic factors affecting runway conditions, such as seismic waves, and to utilize the airport navigation lighting system for power supply and data transmission.

[0003] The technical problems to be solved in setting up runway dynamic monitoring devices using airport navigation lighting systems include: 1. The power cable for the airport navigation lighting system runs through the entire runway. The primary cable has a rated voltage of 6KV, while the secondary cable has a constant current and a variable voltage. Furthermore, the navigation lighting system is turned off when the airport is not in operation and cannot directly supply power to sensors and other equipment that use constant voltage power. How can the power supply circuit of the navigation lighting system be used to power the sensors and other equipment to avoid laying a separate power cable dedicated to runway monitoring?

[0004] 2. For airports that have installed single-lamp monitoring systems for navigation lights in key areas such as runway centerline lights, and where the single-lamp monitoring module is installed in the light box (i.e., the barrel-shaped isolation transformer box) of the runway centerline light and has carrier communication capabilities, how can the runway dynamic monitoring data be transmitted to the runway monitoring platform through the carrier communication link of the single-lamp monitoring system?

[0005] 3. If the monitoring data is transmitted using the single-lamp monitoring module inside the light box and the power cable carrier communication link, the issue of water immersion hazards to the light box will inevitably arise. Although civil aviation industry regulations have strict requirements for the water tightness of light boxes, water often seeps into light boxes located in areas such as dirt fields as the rubber seals age. Once water immersion occurs, it will damage the electronic equipment inside the light box. So, how can the water inside the light box be drained in time to avoid damaging the electronic equipment when water immersion occurs?

[0006] 4. The installation location and internal environmental conditions of the light box are similar to those of the runway surface. How can we utilize the limited space inside the light box to monitor, analyze, and provide early warnings for some external dynamic factors that affect the runway condition, such as seismic waves, thereby reducing the amount of construction work required for buried sensor installation, saving costs, and facilitating installation? Summary of the Invention

[0007] The purpose of this invention is to provide a carrier communication embedded airport runway dynamic early warning device, which can monitor, analyze and warn of dynamic factors affecting runway conditions such as runway surface temperature, groundwater level, runway surface vibration intensity during aircraft take-off and landing, and seismic waves. It can monitor the water immersion status of light boxes, automatically drain water, and utilize the navigation lighting system for power supply. It adopts carrier communication to connect with the runway monitoring platform. The system has a simple structure, saves engineering costs, and is easy to install.

[0008] To achieve the above objectives, the present invention provides the following solution: A carrier communication embedded airport runway dynamic early warning device includes: a light box, an internal bracket, an isolation transformer, a monitoring and control box, a groundwater level sensor, a water level gauge, a drainage device, and a runway monitoring platform; the drainage device includes: a drainage pump and a suction and drainage hose. The light box, also known as a barrel-shaped isolation transformer box, is embedded and concealed in the soil area adjacent to the runway. The light box is equipped with a welded drainage metal pipe. The internal bracket is installed in three layers within the light box. The isolation transformer is installed in the middle layer of the internal bracket, and the monitoring and control box is installed in the upper layer. The groundwater level sensor is buried outside the box. The water level gauge and drainage pump are fixedly mounted on the mounting plate of the internal bracket. The isolation transformer is powered by a primary cable, which in turn powers the monitoring and control box via a secondary cable. The monitoring and control box connects to the groundwater level sensor, water level gauge, and drainage pump, and can be connected to a third-party runway monitoring system. The drainage pump is connected to the suction and drainage hose and the drainage metal pipe. The monitoring and control box in the light box is connected to the primary cable carrier communication link of the single-lamp monitoring module of the runway centerline light via the isolation transformer, thus connecting to the runway monitoring platform. The monitoring and control box includes: a waterproof metal box and a constant current to constant voltage circuit module, a lithium battery module, an embedded monitoring motherboard, a water immersion sensor, a seismic wave sensor, a vibration sensor, and a carrier communication module installed inside; the carrier communication module is connected to the embedded monitoring motherboard, the groundwater level sensor, and the third-party runway monitoring system via an RS485 / 232 cable, and is connected to the carrier communication link via the secondary cable; the front end of the water immersion sensor is connected to the water level gauge; the embedded monitoring motherboard includes: a single-chip microcomputer (MCU) processor, a memory chip, an RS485 / 232 communication module, an I / O control module, a temperature sensor, a power input interface, an RS485 / 232 interface, a power output interface, and a water pump power interface; the MCU processor has built-in embedded monitoring software, and the memory chip is used to store local data, which can be automatically transmitted to the runway monitoring platform when connected to the network; The constant current to constant voltage circuit module converts the constant current power input from the secondary cable into a constant voltage power supply to charge the lithium battery module. The lithium battery module outputs a DC 12V constant voltage power supply to power the embedded monitoring motherboard and the carrier communication module, and supplies power to the sensors and drainage pumps through the power output interface and the water pump power interface. The capacity of the lithium battery module should be able to provide continuous power for no less than 48 hours when the power supply circuit of the navigation lighting system is interrupted. The microcontroller (MCU) processor of the embedded monitoring motherboard is connected to the memory chip, RS485 / 232 communication module, I / O control module, and temperature sensor. The MCU processor is connected to the water immersion sensor, seismic wave sensor, vibration sensor, carrier communication module, and groundwater level sensor through the RS485 / 232 communication module and RS485 / 232 interface. The MCU processor is connected to and controls the drainage pump through the I / O control module and the water pump power interface. The MCU processor is used to collect, analyze, process, and execute control commands for monitoring data, and can be networked with the runway monitoring platform through the carrier communication module.

[0009] Optionally, the secondary cable hole of the existing light box is set as a low-voltage conduit hole for passing through the connection lines of the groundwater level sensor, the third-party runway monitoring system and the monitoring and control box. The light box is equipped with a drainage pipe hole and a drainage metal pipe on the basis of the existing light box. The drainage metal pipe is welded to the drainage pipe hole. The drainage pipe hole is connected to the suction and drainage hose without leakage. The drainage metal pipe extends out of the light box and bends downward at a height of less than 15cm above the light box cover to drain the water in the light box to the outside of the light box and prevent water from flowing back into the light box.

[0010] Optionally, the built-in bracket is made of stainless steel in three layers; stainless steel screws are provided on the four legs of the built-in bracket to fix the built-in bracket to the bottom of the light box, and the length of the stainless steel screws is limited to not piercing the bottom of the light box; the bottom layer of the built-in bracket is left empty to delay the corrosion of electronic components by water immersion, and a mounting plate is provided on one side of the upper layer for fixing the water level gauge and the drain pump.

[0011] According to specific embodiments provided by the present invention, a carrier communication embedded airport runway dynamic early warning device disclosed by the present invention has the following beneficial technical effects: 1. The internal space of the light box is fully utilized to install monitoring devices to monitor, analyze, and provide early warnings for external dynamic factors that affect the runway condition, such as seismic waves. An embedded monitoring motherboard integrates temperature sensors, groundwater level sensors, vibration sensors, seismic wave sensors, and water immersion sensors, which have functions such as data acquisition, analysis, control, storage, and transmission. This improves system performance and response speed, reduces equipment size, simplifies installation procedures, reduces the amount of work required to bury sensors separately, and saves construction costs. At the same time, the internal space of the light box is divided in an orderly manner using built-in brackets, which facilitates installation. 2. The adoption of isolation transformers, constant current to constant voltage circuit modules, and lithium battery modules has solved the technical problem of powering monitoring equipment and sensors with constant voltage electronic equipment by utilizing the power supply circuit of the navigation lighting system, which has greatly saved the material and construction costs of laying power supply cables for the runway monitoring system separately. 3. By using a carrier communication module to connect the single-lamp monitoring system to the runway monitoring platform via the carrier communication link, the monitoring data inside the lamp box and data from other external runway detection systems can be uploaded to the runway monitoring platform, saving the cost of laying fiber optic networks and improving the system's data transmission efficiency. 4. An embedded monitoring motherboard is used to link and control the water immersion sensor and the drainage pump. When the water level inside the light box reaches a certain height, drainage is automatically performed, and drainage stops when the water level falls below a certain height. This solves the technical problem of automatic drainage from the sealed space inside the light box. At the same time, the existing light box is improved by adding a drainage pipe hole and a drainage metal pipe. The drainage metal pipe extends outside the light box and bends downward at least 15cm above the light box cover. The drainage pipe hole is sealed with a waterproof rubber gasket, and after installation, it is sealed again with glass glue for waterproofing. This solves the technical problem of preventing backflow after draining the water inside the light box without affecting the water tightness of the light box, and can effectively prevent water immersion in the light box from damaging the electronic equipment. 5. The system of this invention has a simple structure and is easy to install. It can operate independently or be integrated with other runway condition monitoring systems, thus expanding the scope of application of runway monitoring systems and making it suitable for promotion and application in newly built airports and airports that are already in operation. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a structural diagram of the monitoring device according to an embodiment of the present invention; Figure 2 This is a construction plan of the flight area for the monitoring device according to an embodiment of the present invention. Figure 3 This is a structural diagram of the monitoring and control box provided in an embodiment of the present invention; Figure 4 This is a structural diagram of the built-in bracket provided in an embodiment of the present invention.

[0014] Explanation of reference numerals in the attached figures: 1. Lightbox; 1-1. Drainage pipe hole; 1-2. Drainage metal pipe; 1-3. Box cover; 1-4. Low-voltage cable conduit hole; 2. Built-in bracket; 2-1. Stainless steel screws; 2-2. Mounting plate; 3. Isolation transformer; 4. Monitoring and control box; 4-1. Waterproof metal box; 4-1-1. Box cover; 4-1-2. Wiring hole; 4-2. Constant current to constant voltage circuit module; 4-3. Lithium battery module; 4-4. Embedded monitoring motherboard; 4-4-1. Microcontroller (MCU) processor; 4-4-2. Memory chip; 4-4-3. RS485 / 232 communication module; 4-4-4. I / O control module; 4-4-5 1. Temperature sensor; 4-4-6. Power input interface; 4-4-7. RS485 / 232 interface; 4-4-8. Power output interface; 4-4-9. Water pump power interface; 4-5. Water immersion sensor; 4-6. Seismic wave sensor; 4-7. Vibration sensor; 4-8. Carrier communication module; 5. Groundwater level sensor; 6. Water level gauge; 7. Drainage pump; 8. Suction and drainage hose; 9. Primary cable; 10. Secondary cable; 11. Runway monitoring platform; 12. Runway centerline light; 13. Centerline light box; 14. Centerline light isolation transformer; 15. Single light monitoring module; 16. Third-party runway monitoring system. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] The purpose of this invention is to provide a carrier communication embedded airport runway dynamic early warning device, which can monitor, analyze and warn of dynamic factors affecting runway conditions such as runway surface temperature, groundwater level, runway surface vibration intensity during aircraft take-off and landing, and seismic waves. It can monitor the water immersion status of light boxes, automatically drain water, and utilize the navigation lighting system for power supply. It adopts carrier communication to connect with the runway monitoring platform. The system has a simple structure, saves engineering costs, and is easy to install.

[0017] Among these measures, runway surface temperature monitoring is used to analyze the seasonal variation of pavement friction coefficient and for construction management (e.g., concrete construction is not advisable when the pavement temperature is below -5 degrees Celsius); groundwater level monitoring is used to analyze the seasonal frost heave of the foundation; pavement vibration intensity monitoring during aircraft takeoff and landing is used to analyze the impact of vibration on the runway structure; seismic wave monitoring is used to analyze the runway's seismic resistance and the degree of impact of earthquakes on the runway structure; and automatic drainage is to prevent water immersion from damaging electronic equipment.

[0018] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figure 1 As shown, a carrier communication embedded airport runway dynamic early warning device includes: a light box 1, an internal bracket 2, an isolation transformer 3, a monitoring and control box 4, a groundwater level sensor 5, a water level gauge 6, a drainage device, and a runway monitoring platform 11; the drainage device includes: a drainage pump 7 and a suction and drainage hose 8.

[0020] The light box 1, also known as the barrel-shaped isolation transformer box, is embedded and concealed in the soil area adjacent to the runway. The light box is equipped with welded drainage metal pipes 1-2. The built-in bracket 2 is installed in three layers inside the light box 1. The isolation transformer 3 is installed in the middle layer of the built-in bracket 2, and the monitoring and control box 4 is installed in the upper layer of the built-in bracket 2. The groundwater level sensor 5 is buried outside the box. The water level gauge 6 and the drainage pump 7 are fixedly installed on the mounting plate 2-2 of the built-in bracket 2. The isolation transformer 3 is powered by the primary cable 9 and supplies power to the monitoring and control box 4 through the secondary cable 10. The monitoring and control box 4 is connected to the groundwater level sensor 5, the water level gauge 6, and the drainage pump 7, and can be connected to a third-party runway monitoring system 16. The drainage pump 7 is connected to the suction and drainage hose 8 and the drainage metal pipes 1-2.

[0021] like Figure 1 , Figure 2As shown, the centerline light box 13 of the runway centerline light 12 is equipped with a centerline light isolation transformer 14 and a single light monitoring module 15. The single light monitoring module 15 establishes a carrier communication link through the secondary cable 10 and the primary cable 9 of the centerline light isolation transformer 14 and is connected to the single light monitoring system platform. The monitoring and control box 4 in the light box 1 is connected to the carrier communication link of the primary cable 9 connected to the single light monitoring module 15 of the runway centerline light 12 through the isolation transformer 3 and is connected to the runway monitoring platform 11.

[0022] like Figure 1 As shown, the secondary cable hole of the existing light box 1 is set as a low-voltage conduit hole 1-4 for the connection line of the groundwater level sensor 5, the third-party runway monitoring system 16 and the monitoring and control box 4. The light box 1 is equipped with a drainage pipe hole 1-1 and a drainage metal pipe 1-2 on the basis of the existing light box. The drainage metal pipe 1-2 is welded to the drainage pipe hole 1-1. The drainage pipe hole 1-1 is connected to the suction and drainage hose 8 without leakage. The drainage metal pipe 1-2 extends out of the light box 1 and bends downward at a height of not less than 15cm above the light box cover 1-3 to drain the water in the light box 1 to the outside of the light box 1 and prevent water from flowing back into the light box 1. Since the installation height of the cover 1-3 is flush with the height of the runway surface layer, the airfield has a good drainage system, and the water on the runway will not be higher than 10cm above the runway surface layer. Therefore, the water in the airfield will not flow back into the light box 1.

[0023] like Figure 3 As shown, the monitoring and control box 4 includes: a waterproof metal box 4-1 and a constant current to constant voltage circuit module 4-2, a lithium battery module 4-3, an embedded monitoring motherboard 4-4, a water immersion sensor 4-5, a seismic wave sensor 4-6, a vibration sensor 4-7, and a carrier communication module 4-8 installed inside it; the carrier communication module 4-8 is connected to the embedded monitoring motherboard 4-4, the groundwater level sensor 5, and the third-party runway monitoring system 16 via RS485 / 232 cables, and is connected to the carrier communication link via the secondary cable 10; the front end of the water immersion sensor 4-5 is connected to the water level gauge 6; The embedded monitoring motherboard 4-4 includes: a single-chip microcomputer (MCU) processor 4-4-1, a storage chip 4-4-2, an RS485 / 232 communication module 4-4-3, an I / O control module 4-4-4, a temperature sensor 4-4-5, a power input interface 4-4-6, an RS485 / 232 interface 4-4-7, a power output interface 4-4-8, and a water pump power interface 4-4-9. The MCU processor 4-4-1 has built-in embedded monitoring software, and the storage chip 4-4-2 is used to store local data. When connected to the network, the data can be automatically transmitted to the runway monitoring platform 11.

[0024] The waterproof metal box 4-1 is made of aluminum alloy to facilitate waterproofing and heat dissipation. It has a box cover 4-1-1 and three wire holes 4-1-2. The box cover 4-1-1 is fixed with stainless steel screws and sealed with glass glue for waterproofing after installation. The wire holes 4-1-2 are sealed with waterproof rubber gaskets and sealed again with glass glue for waterproofing after installation.

[0025] The constant current to constant voltage circuit module 4-2 converts the constant current power input from the secondary cable 10 into a constant voltage power supply to charge the lithium battery module 4-3. The lithium battery module 4-3 outputs a DC 12V constant voltage power supply to power the embedded monitoring motherboard 4-4 and the carrier communication module 4-8, and supplies power to the sensor and drainage pump 7 and other electronic devices through the power output interface 4-4-8 and the water pump power interface 4-4-9. The capacity of the lithium battery module 4-3 should be able to continuously supply power for no less than 48 hours when the power supply circuit of the navigation lighting system is interrupted. The single-chip microcomputer MCU processor 4-4-1 of the embedded monitoring motherboard 4-4 is connected to the storage chip 4-4-2, the RS485 / 232 communication module 4-4-3, and the I / O circuit. The control module 4-4-4 and temperature sensor 4-4-5 are connected to the water immersion sensor 4-5, seismic wave sensor 4-6, vibration sensor 4-7, carrier communication module 4-8, and groundwater level sensor 5 via the RS485 / 232 communication module 4-4-3 and RS485 / 232 interface 4-4-7. The MCU processor 4-4-1 is connected to and controls the drainage pump 7 via the I / O control module 4-4-4 and water pump power interface 4-4-9. The MCU processor 4-4-1 is used to collect, analyze, process, and execute control commands on the monitoring data, and can be networked with the runway monitoring platform 11 via the carrier communication module 4-8.

[0026] like Figure 4 As shown, the built-in bracket 2 is made of stainless steel in three layers; stainless steel screws 2-1 are provided on the four legs of the built-in bracket 2 to fix the built-in bracket 2 to the bottom of the light box 1. The length of the stainless steel screws 2-1 is limited to not piercing the bottom of the light box 1 to prevent water leakage; the bottom layer of the built-in bracket 2 is left empty to delay the corrosion of electronic components by water immersion, the middle layer holds the isolation transformer 3, the upper layer holds the monitoring and control box 4, and a mounting plate 2-2 is provided on one side of the upper layer to fix the water level gauge 6 and the drainage pump 7.

[0027] The working principle and function of the carrier communication embedded airport runway dynamic early warning device are as follows: 1. After receiving the monitoring data from the seismic wave sensor 4-6, the microcontroller MCU processor 4-4-1 uploads the data to the runway monitoring platform 11 through a carrier communication link. The runway monitoring platform 11 can monitor and analyze the impact of seismic waves on the runway structure. When the intensity of the seismic wave approaches or exceeds the seismic resistance of the runway, it issues an early warning to remind airport personnel to pay attention to changes in the runway structure and carry out timely maintenance.

[0028] 2. After receiving the monitoring data from the temperature sensor 4-4-5, the single-chip microcomputer processor 4-4-1 uploads the data to the runway monitoring platform 11 through a carrier communication link. The runway monitoring platform 11 can analyze the change in the pavement friction coefficient by the influence of temperature on the pavement friction coefficient. When the temperature or friction coefficient change exceeds a certain threshold, an early warning is issued. It can also be used for on-site construction management, such as: concrete construction should not be carried out when the pavement temperature is below -5 degrees Celsius. 3. After receiving the monitoring data from the groundwater level sensor 5, the single-chip microcomputer MCU processor 4-4-1 uploads the data to the runway monitoring platform 11 through a carrier communication link. The runway monitoring platform 11 can monitor and analyze the impact of groundwater level on the seasonal frost heave of the foundation. When the groundwater level is higher than a certain threshold or exceeds a certain duration, an early warning is issued to remind airport personnel to inspect the drainage facilities in the flight area to prevent groundwater from damaging the runway structure. 4. During aircraft taxiing, after the microcontroller MCU processor 4-4-1 receives the monitoring data from the vibration sensor 4-7, it uploads the data to the runway monitoring platform 11 through a carrier communication link. The runway monitoring platform 11 can monitor and analyze the impact of vibration intensity on the runway structure. If the vibration intensity continues to exceed a certain threshold, it will issue an early warning to remind airport personnel to pay attention to changes in the runway structure and carry out timely maintenance. 5. The water immersion sensor 4-5 is connected to the water level gauge 6 to monitor the water immersion status inside the light box 1. When the water immersion sensor 4-5 detects that the water immersion inside the light box 1 has reached a certain height through the water level gauge 6, it sends an alarm signal to the microcontroller MCU processor 4-4-1. The microcontroller MCU processor 4-4-1 connects to the power supply of the drainage pump 7 through the I / O control module 4-4-4 and the water pump power interface 4-4-9 to automatically drain the water. When the water level is lower than a certain level, the drainage automatically stops. The microcontroller MCU processor 4-4-1 can also upload data to the runway monitoring platform 11 through a carrier communication link. The runway monitoring platform 11 can remotely monitor the water immersion status and remotely control the drainage.

[0029] 6. The carrier communication module 4-8 of the monitoring and control box 4 can be connected to a third-party runway monitoring system 16 and upload data to the runway monitoring platform 11 through the carrier communication link.

[0030] This invention provides a carrier communication embedded airport runway dynamic early warning device, which integrates data acquisition, analysis, control, storage, and transmission functions using embedded motherboard technology and carrier communication technology, achieving the following beneficial technical effects: 1. Make full use of the internal space of the light box to install monitoring devices to monitor, analyze and warn of some external dynamic factors that affect the runway status, such as seismic waves. The embedded monitoring motherboard integrates temperature sensors, groundwater level sensors, vibration sensors, seismic wave sensors and water immersion sensors and can be connected to third-party runway monitoring systems. It has functions such as data acquisition, analysis, control, storage and transmission, which improves system performance and response speed, reduces equipment size and simplifies installation procedures, reduces the amount of work required to bury sensors separately, and saves construction costs. At the same time, the internal space of the light box is divided in an orderly manner by the built-in bracket, which facilitates installation. 2. The adoption of isolation transformers, constant current to constant voltage circuit modules, and lithium battery modules has solved the technical problem of powering monitoring equipment and sensors with constant voltage electronic equipment by utilizing the power supply circuit of the navigation lighting system, which has greatly saved the material and construction costs of laying power supply cables for the runway monitoring system separately. 3. By using a carrier communication module to connect the single-lamp monitoring system to the runway monitoring platform via the carrier communication link, the monitoring data inside the lamp box and data from other external runway detection systems can be uploaded to the runway monitoring platform, saving the cost of laying fiber optic networks and improving the system's data transmission efficiency. 4. An embedded monitoring motherboard is used to link and control the water immersion sensor and the drainage pump. When the water level inside the light box reaches a certain height, drainage is automatically performed, and drainage stops when the water level falls below a certain height. This solves the technical problem of automatic drainage from the sealed space inside the light box. At the same time, the existing light box is improved by adding a drainage pipe hole and a drainage metal pipe. The drainage metal pipe extends outside the light box and bends downward at least 15cm above the light box cover. The drainage pipe hole is sealed with a waterproof rubber gasket, and after installation, it is sealed again with glass glue for waterproofing. This solves the technical problem of preventing backflow after draining the water inside the light box without affecting the water tightness of the light box, and can effectively prevent water immersion in the light box from damaging the electronic equipment. 5. The system of this invention has a simple structure and is easy to install. It can operate independently or be integrated with other runway condition monitoring systems, thus expanding the scope of application of runway monitoring systems and making it suitable for promotion and application in newly built airports and airports that are already in operation.

[0031] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0032] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A carrier communication embedded airport runway dynamic early warning device, characterized in that, include: Light box, built-in bracket, isolation transformer, monitoring and control box, groundwater level sensor, water level gauge, drainage device, runway monitoring platform; The drainage device includes: a drainage pump and a suction / drainage hose; The light box, also known as a barrel-shaped isolation transformer box, is embedded and concealed in the soil area adjacent to the runway. The light box is equipped with a welded drainage metal pipe. The internal bracket is installed in three layers within the light box. The isolation transformer is installed in the middle layer of the internal bracket, and the monitoring and control box is installed in the upper layer. The groundwater level sensor is buried outside the box. The water level gauge and drainage pump are fixedly mounted on the mounting plate of the internal bracket. The isolation transformer is powered by a primary cable, which in turn powers the monitoring and control box via a secondary cable. The monitoring and control box connects to the groundwater level sensor, water level gauge, and drainage pump, and can be connected to a third-party runway monitoring system. The drainage pump is connected to the suction and drainage hose and the drainage metal pipe. The monitoring and control box in the light box is connected to the primary cable carrier communication link of the single-lamp monitoring module of the runway centerline light via the isolation transformer, thus connecting to the runway monitoring platform. The monitoring and control box includes: a waterproof metal box and a constant current to constant voltage circuit module, a lithium battery module, an embedded monitoring motherboard, a water immersion sensor, a seismic wave sensor, a vibration sensor, and a carrier communication module installed inside; the carrier communication module is connected to the embedded monitoring motherboard, the groundwater level sensor, and the third-party runway monitoring system via an RS485 / 232 cable, and is connected to the carrier communication link via the secondary cable; the front end of the water immersion sensor is connected to the water level gauge; the embedded monitoring motherboard includes: a single-chip microcomputer (MCU) processor, a memory chip, an RS485 / 232 communication module, an I / O control module, a temperature sensor, a power input interface, an RS485 / 232 interface, a power output interface, and a water pump power interface; the MCU processor has built-in embedded monitoring software, and the memory chip is used to store local data, which can be automatically transmitted to the runway monitoring platform when connected to the network; The constant current to constant voltage circuit module converts the constant current power input from the secondary cable into a constant voltage power supply to charge the lithium battery module. The lithium battery module outputs a DC 12V constant voltage power supply to power the embedded monitoring motherboard and the carrier communication module, and supplies power to the sensors and drainage pumps through the power output interface and the water pump power interface. The capacity of the lithium battery module should be able to provide continuous power for no less than 48 hours when the power supply circuit of the navigation lighting system is interrupted. The microcontroller (MCU) processor of the embedded monitoring motherboard is connected to the memory chip, RS485 / 232 communication module, I / O control module, and temperature sensor. The MCU processor is connected to the water immersion sensor, seismic wave sensor, vibration sensor, carrier communication module, and groundwater level sensor through the RS485 / 232 communication module and RS485 / 232 interface. The MCU processor is connected to and controls the drainage pump through the I / O control module and the water pump power interface. The MCU processor is used to collect, analyze, process, and execute control commands for monitoring data, and can be networked with the runway monitoring platform through the carrier communication module.

2. The carrier communication embedded airport runway dynamic early warning device according to claim 1, characterized in that, The light box converts the secondary cable hole of the existing light box into a low-voltage conduit hole for the connection lines of the groundwater level sensor, the third-party runway monitoring system and the monitoring and control box. The light box adds a drainage pipe hole and a drainage metal pipe to the existing light box. The drainage metal pipe is welded to the drainage pipe hole and is connected to the suction and drainage hose in the drainage pipe hole without leakage. The drainage metal pipe extends out of the light box and bends downward at a height of less than 15cm above the light box cover to drain the water in the light box to the outside of the light box and prevent water from flowing back into the light box.

3. The carrier communication embedded airport runway dynamic early warning device according to claim 1, characterized in that, The built-in bracket is made of stainless steel in three layers. Stainless steel screws on the four legs of the built-in bracket secure it to the bottom of the light box; the length of the screws is limited to prevent piercing the bottom of the light box. The bottom layer of the built-in bracket is left empty to delay water corrosion of electronic components, and a mounting plate is provided on one side of the upper layer for fixing the water level gauge and drain pump.

Images