Intelligent monitoring and early warning system for airport light station

Abstract

The utility model relates to the technical field of airport light station detection, in particular to an intelligent monitoring and early warning system for an airport light station, which comprises a main control module, a communication module and a light station monitoring and early warning module. Generating a first current detection signal according to a first current collected from the light station navigation aid lamp; judging whether the working state of the light station is normal or not according to the first current detection signal, and generating an early warning signal; the abnormal lamplight stations are quickly marked according to the working states of the lamplight stations, and early warning is performed, so that the response speed of early warning is increased; and the isolation transformer is arranged in the communication module and is arranged at the physical center of the light detection loop, so that the signal amplitude is improved, the communication is prevented from being interfered, and the early warning speed is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of airport lighting station detection, in particular to an airport lighting station intelligent monitoring and early warning system. Background Art

[0002] The airport lighting station is the main facility of the airport visual navigation project. There are four "C" requirements for the layout of navigation lights and lamps. It provides light indication signals for aircraft taxiing, taking off or landing, and is an important guarantee facility for safe operation at night or under low visibility conditions. However, with the surge in airport business volume and the requirements of smart airport construction, traditional inspection methods require large manpower investment, low efficiency and high cost. Especially for large and busy hub airports, mountain airports, high tower approach light belt areas, etc., manual inspections are difficult and have great safety risks. Reliability and timeliness are difficult to meet the needs of airport operations.

[0003] The monitoring and early warning system that adopts automatic inspection is an effective way to solve the above problems. The monitoring and early warning system can monitor and automatically inspect the airport environment. When a fault occurs, the fault information will be reported to the monitoring center in time to notify the staff to carry out maintenance. The fault location can be located and displayed on the monitoring interface, and maintenance personnel can respond quickly. However, the existing monitoring and early warning system has a small coverage area, and the communication is easily disturbed, resulting in untimely warnings. Utility Model Content

[0004] Aiming at the problem that the existing monitoring and early warning system has a small coverage area and the communication is easily disturbed, resulting in untimely early warning, the utility model proposes an intelligent monitoring and early warning system for airport lighting stations, including a main control module, a communication module, and a lighting station monitoring and early warning module; a first current detection signal is generated according to a first current collected from the navigation light of the lighting station; and according to the first current detection signal, whether the working state of the lighting station is normal is judged, and an early warning signal is generated; abnormal lighting stations are quickly marked according to the working state of the lighting station, and an early warning is issued, thereby improving the response speed of the early warning.

[0005] The specific implementation contents of the utility model are as follows:

[0006] An airport lighting station intelligent monitoring and early warning system, comprising a main control module, a communication module, and a lighting station monitoring and early warning module;

[0007] The input end of the light station monitoring and warning module is connected to the navigation light of the light station, and the output end is connected to the input end of the communication module;

[0008] The input end of the communication module is connected to the output end of the main control module, and the output end of the communication module is connected to the input end of the main control module and the input end of the lighting station monitoring and warning module;

[0009] The light station monitoring and warning module is used to generate a first current detection signal according to the first current collected from the navigation light of the light station;

[0010] The main control module is used to determine whether the working state of the lighting station is normal according to the first current detection signal obtained from the communication module, and generate an early warning signal;

[0011] The communication module is used to send the first current detection signal obtained from the lighting station monitoring and warning module to the main control module, and send the warning signal obtained from the main control module to the lighting station monitoring and warning module.

[0012] In order to better realize the utility model, further, the lighting station monitoring and warning module includes a hub, a current sensor, an AD conversion unit, and a transformer remote controller;

[0013] The input end of the hub is connected to a plurality of navigation lights, and the output end of the hub is connected to the input end of the current sensor;

[0014] The input end of the AD conversion unit is connected to the output end of the current sensor, and the output end of the AD conversion unit is connected to the input end of the transformer remote controller;

[0015] The output end of the voltage transformer remote controller is connected to the input end of the communication module;

[0016] The hub is used to connect with the navigation lights of multiple light stations;

[0017] The current sensor is used to generate a first current detection signal according to a first current collected from the navigation light of the airport lighting station;

[0018] The voltage transformer remote controller is used to set the working voltage range of the lighting station in normal working state and generate a working state detection signal.

[0019] In order to better implement the utility model, further, the communication module includes a step-up transformer, an LC filter, and an isolation transformer;

[0020] The input end of the step-up transformer is connected to the output end of the transformer remote controller, and the output end of the step-up transformer is connected to the input end of the LC filter;

[0021] The output end of the LC filter is connected to the input end of the main control module;

[0022] The isolation transformer is connected between the main control module and the navigation light of the lighting station.

[0023] In order to better implement the utility model, further, the isolation transformer is arranged at the physical center point of the light working state detection loop.

[0024] In order to better implement the present utility model, further, the current sensor is a Hall sensor.

[0025] In order to better implement the utility model, further, the lighting station monitoring and early warning modules are set to be multiple.

[0026] In order to better implement the utility model, further, the main control module includes a main control terminal module and an MCU unit;

[0027] The main control terminal module is connected to the MCU unit via an RS485 bus;

[0028] The MCU unit is connected to the communication module via a CAN bus.

[0029] The utility model has the following beneficial effects:

[0030] (1) The utility model generates an early warning signal based on whether the working status of the lighting station is normal, quickly marks the abnormal lighting station, and improves the response speed of the early warning.

[0031] (2) The utility model increases the signal amplitude by arranging an isolation transformer in the communication module and arranging the isolation transformer at the physical center of the light detection circuit, thereby preventing communication from being interfered with and further improving the warning speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The utility model provides an overall structural schematic diagram of the intelligent monitoring and early warning system for an airport lighting station.

[0033] Figure 2 This is a structural schematic diagram of the lighting station monitoring and early warning module provided by the utility model.

[0034] Figure 3 This is a schematic block diagram of the communication module structure provided by the utility model.

[0035] Figure 4 This is a schematic block diagram of the main control module structure provided by the utility model. DETAILED DESCRIPTION

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. It should be understood that the described embodiments are only part of the embodiments of the utility model, not all of the embodiments, and therefore should not be regarded as limiting the scope of protection. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Embodiment 1:

[0039] This embodiment proposes an intelligent monitoring and early warning system for airport lighting stations, such as Figure 1 As shown, it includes main control module, communication module, and lighting station monitoring and early warning module;

[0040] The input end of the light station monitoring and warning module is connected to the navigation light of the light station, and the output end is connected to the input end of the communication module;

[0041] The input end of the communication module is connected to the output end of the main control module, and the output end of the communication module is connected to the input end of the main control module and the input end of the lighting station monitoring and warning module;

[0042] The light station monitoring and warning module is used to generate a first current detection signal according to the first current collected from the navigation light of the light station;

[0043] The main control module is used to determine whether the working state of the lighting station is normal according to the first current detection signal obtained from the communication module, and generate an early warning signal;

[0044] The communication module is used to send the first current detection signal obtained from the lighting station monitoring and warning module to the main control module, and send the warning signal obtained from the main control module to the lighting station monitoring and warning module.

[0045] The number of the lighting station monitoring and warning modules is set to be multiple.

[0046] Working principle: This embodiment generates a first current detection signal according to a first current collected from the navigation light of the light station; determines whether the working state of the light station is normal according to the first current detection signal, and generates an early warning signal; quickly marks abnormal light stations according to the working state of the light station, and issues an early warning, thereby improving the response speed of the early warning.

[0047] Embodiment 2:

[0048] This embodiment is based on the above embodiment 1. Figure 2As shown, the structure of the lighting station monitoring and early warning module is described with a specific embodiment.

[0049] The lighting station monitoring and warning module includes a hub, a current sensor, an AD conversion unit, and a transformer remote controller;

[0050] The input end of the hub is connected to a plurality of navigation lights, and the output end of the hub is connected to the input end of the current sensor;

[0051] The input end of the AD conversion unit is connected to the output end of the current sensor, and the output end of the AD conversion unit is connected to the input end of the transformer remote controller;

[0052] The output end of the voltage transformer remote controller is connected to the input end of the communication module;

[0053] The hub is used to connect with the navigation lights of multiple light stations;

[0054] The current sensor is used to generate a first current detection signal according to a first current collected from the navigation light of the airport lighting station;

[0055] The voltage transformer remote controller is used to set the working voltage range of the lighting station in normal working state and generate a working state detection signal.

[0056] Working principle: In this embodiment, a line collector is set to connect with multiple navigation lights to collect currents of multiple navigation lights. The light intensity of the navigation lights is proportional to the current in the navigation lights. The current size of the navigation lights is collected by setting a current sensor. The collected current is a digital signal. The AD conversion module is further set to convert the collected current digital signal into a current analog signal, that is, to generate a first current detection signal. At the same time, according to Ohm's law, the light intensity of the navigation lights is proportional to the current, that is, also proportional to the voltage. The normal working voltage range of the light station is set by setting a transformer remote control, and the first current detection signal and the working voltage range are transmitted to the main control module through the communication module. The working voltage range and the first current detection signal are used to determine whether the working status of the navigation lights is normal. If the status of the navigation lights is abnormal, a warning signal is generated, and the navigation lights are marked for warning, and displayed on the display device and waiting for maintenance.

[0057] The current sensor provided in this embodiment is a Hall sensor, which measures AC current under electrical isolation conditions, further reducing mutual interference between circuits, improving response speed, and has a wider operating temperature range, and can adapt to the strong cold and hot temperature differences in the airport environment.

[0058] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1, and thus will not be described in detail.

[0059] Embodiment 3:

[0060] This embodiment is based on any one of the above embodiments 1 to 2. Figure 3 As shown, the structure of the communication module is described with a specific embodiment.

[0061] The communication module includes a step-up transformer, an LC filter, and an isolation transformer;

[0062] The input end of the step-up transformer is connected to the output end of the transformer remote controller, and the output end of the step-up transformer is connected to the input end of the LC filter;

[0063] The output end of the LC filter is connected to the input end of the main control module;

[0064] The isolation transformer is connected between the main control module and the navigation light of the lighting station.

[0065] Furthermore, the isolation transformer is arranged at the physical center point of the light working state detection loop.

[0066] Working principle: This embodiment sets an isolation transformer near the center point of the light working status detection circuit to increase the signal amplitude reduced by the capacitance in the LC filter, further eliminates the signal attenuation caused by the capacitance distribution on the communication signal, and realizes the improvement of the warning response speed.

[0067] The other parts of this embodiment are the same as any one of the above-mentioned embodiments 1-2, so they will not be repeated here.

[0068] Embodiment 4:

[0069] This embodiment is based on any one of the above embodiments 1 to 3. Figure 4 As shown, the specific structure of the main control module is described with a specific embodiment.

[0070] The main control module includes a main control terminal module and an MCU unit;

[0071] The main control terminal module is connected to the MCU unit via an RS485 bus;

[0072] The MCU unit is connected to the communication module via a CAN bus.

[0073] Working principle: This embodiment takes the MCU module as the core. The specific model of the MCU can be reasonably selected according to the needs. By setting the MCU unit in the lighting station, establishing communication with the communication module through the CAN bus, and feeding back to the main control terminal through the RS485 bus, a rapid response to the early warning can be achieved.

[0074] The other parts of this embodiment are the same as any one of the above-mentioned embodiments 1 to 3, so they will not be repeated here.

[0075] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. An intelligent monitoring and early warning system for an airport lighting station, characterized in that: Including lighting station monitoring and warning module, communication module, and main control module; The input end of the light station monitoring and warning module is connected to the navigation light of the light station, and the output end is connected to the input end of the communication module; The input end of the communication module is connected to the output end of the main control module, and the output end of the communication module is connected to the input end of the main control module and the input end of the lighting station monitoring and warning module; The light station monitoring and warning module is used to generate a first current detection signal according to the first current collected from the navigation light of the light station; The main control module is used to determine whether the working state of the lighting station is normal according to the first current detection signal obtained from the communication module, and generate an early warning signal; The communication module is used to send the first current detection signal obtained from the lighting station monitoring and warning module to the main control module, and send the warning signal obtained from the main control module to the lighting station monitoring and warning module; The main control module includes a main control terminal module and an MCU unit; The main control terminal module is connected to the MCU unit via an RS485 bus; The MCU unit is connected to the communication module via a CAN bus; The lighting station monitoring and warning module includes a hub, a current sensor, an AD conversion unit, and a transformer remote controller; The input end of the hub is connected to a plurality of navigation lights, and the output end of the hub is connected to the input end of the current sensor; The input end of the AD conversion unit is connected to the output end of the current sensor, and the output end of the AD conversion unit is connected to the input end of the transformer remote controller; The output end of the voltage transformer remote controller is connected to the input end of the communication module; The hub is used to connect with the navigation lights of multiple light stations; The current sensor is used to generate a first current detection signal according to a first current collected from the navigation light of the airport lighting station; The transformer remote controller is used to set the working voltage range of the lighting station in normal working state and generate a working state detection signal; The communication module includes a step-up transformer, an LC filter, and an isolation transformer; The input end of the step-up transformer is connected to the output end of the transformer remote controller, and the output end of the step-up transformer is connected to the input end of the LC filter; The output end of the LC filter is connected to the input end of the main control module; The isolation transformer is connected between the main control module and the navigation light of the lighting station.

2. The intelligent monitoring and early warning system for airport lighting stations according to claim 1 is characterized in that: The isolation transformer is arranged at the physical center point of the light working state detection loop.

3. The intelligent monitoring and early warning system for airport lighting stations according to claim 1 is characterized in that: The current sensor is a Hall sensor.

4. The intelligent monitoring and early warning system for airport lighting stations according to claim 1 is characterized in that: The lighting station monitoring and early warning modules are provided in plurality.

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