Aircraft airborne take-off and landing illuminating lamp device

Abstract

The utility model relates to an aircraft airborne take-off and landing illuminating lamp device which comprises an LED lamp panel assembly, a lamp shell and a radiating fin structure, the LED lamp panel assembly is installed on one side of the lamp shell, the radiating fin structure is installed on the other side of the lamp shell, the radiating fin structure comprises a plurality of radiating fins, and the radiating fins are arranged on the LED lamp panel assembly. The multiple cooling fins are perpendicular to the lamp shell in the airflow direction and are arranged at equal intervals, and the heights of the cooling fins are gradually reduced from inside to outside. According to the airborne take-off and landing illuminating lamp device for the aircraft, the radiating fins are arranged at equal intervals, so that heat radiation is facilitated, the service life of the lamp is prolonged, the radiating efficiency is higher, and the structural stability is enhanced. According to the technical scheme, the service life of the airborne take-off and landing illuminating lamp of the aircraft can be effectively prolonged, the maintenance cost is reduced, and the application range is wide.

Description

Technical Field

[0001] This utility model relates to the field of LED lighting fixtures, and more particularly to the field of aircraft lighting fixtures, specifically referring to an airborne take-off and landing lighting device for aircraft. Background Technology

[0002] Aircraft-borne takeoff and landing lights are crucial equipment for ensuring safe takeoff and landing of aircraft at night or in low visibility conditions. However, these lights generate a significant amount of heat during operation, and if this heat is not dissipated in a timely manner, it will severely affect the performance and lifespan of the lights. Traditional aircraft-borne takeoff and landing light cooling technologies suffer from low heat dissipation efficiency, unreasonable heat dissipation structure design, inappropriate heat dissipation materials, and a lack of effective overheat protection measures. Existing aircraft lights exhibit poor heat dissipation, hindering heat radiation and resulting in a short lifespan. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an aircraft airborne take-off and landing lighting device that is simple in structure, has a long service life, and is widely applicable.

[0004] To achieve the above objectives, the aircraft airborne takeoff and landing lighting device of this utility model is as follows:

[0005] The main feature of this aircraft airborne takeoff and landing lighting device is that the device includes an LED light panel assembly, a lamp housing, and a heat sink structure. The LED light panel assembly is installed on one side of the lamp housing, and the heat sink structure is installed on the other side of the lamp housing. The heat sink structure includes multiple heat sinks, which are perpendicular to the lamp housing along the airflow direction and are arranged at equal intervals. The height of the heat sinks gradually decreases from the inside to the outside.

[0006] Preferably, the device further includes internal wiring, the LED light board assembly is connected to the internal wiring, and the internal wiring passes through the lamp housing and the heat sink structure.

[0007] Preferably, the heat sink structure is provided with a copper conductive electrode and a silicone insulating sleeve, the silicone insulating sleeve is installed on the heat sink structure, and the copper conductive electrode is installed on the heat sink structure through the silicone insulating sleeve.

[0008] Preferably, the device further includes an epoxy resin potting area, which is cup-shaped and located at the connection between the internal wire and the lamp housing.

[0009] Preferably, the LED light panel assembly includes a filter module, a DC-DC constant current module, a load module, and an overheating power reduction protection module. The filter module is connected to the DC-DC constant current module, the load module is connected to the DC-DC constant current module, and the overheating power reduction protection module is connected to the DC-DC constant current module.

[0010] The aircraft airborne takeoff and landing lighting device of this invention features an evenly spaced heat sink, which facilitates heat radiation, extends the lifespan of the light fixture, improves heat dissipation efficiency, and enhances structural stability. This technical solution can effectively extend the service life of aircraft airborne takeoff and landing lighting, reduce maintenance costs, and has a wide range of applications. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the aircraft airborne take-off and landing lighting device of this utility model.

[0012] Figure 2 This is a side sectional view of the aircraft airborne take-off and landing lighting device of this utility model.

[0013] Figure 3a This is a top view of the aircraft airborne takeoff and landing lighting device of this utility model.

[0014] Figure 3b This is a side view of the aircraft airborne takeoff and landing lighting device of this utility model.

[0015] Figure 4 This is a schematic diagram showing the airflow direction and light direction of the airborne take-off and landing lighting device for aircraft according to this utility model.

[0016] Figure 5 This is a schematic diagram of the functional modules of the LED light panel assembly of the aircraft airborne take-off and landing lighting device of this utility model.

[0017] Figure 6 This is a schematic diagram of the specific circuit structure of the LED light panel assembly of the aircraft airborne take-off and landing lighting device of this utility model.

[0018] Figure 7 This is a schematic diagram illustrating the working principle of the thermistor in the LED light panel assembly of the aircraft airborne take-off and landing lighting device of this utility model.

[0019] Figure label:

[0020] 1 LED light panel assembly

[0021] 2. Lamp housing

[0022] 3. Heat sink structure

[0023] 4. Internal wiring

[0024] 5. Copper conductive electrodes

[0025] 6. Silicone insulating sleeve

[0026] 7. Epoxy resin glue filling area

[0027] 8 limit blocks Detailed Implementation

[0028] To more clearly describe the technical content of this utility model, the following description is provided in conjunction with specific embodiments.

[0029] The present invention discloses an airborne takeoff and landing lighting device for aircraft, comprising an LED light panel assembly, a lamp housing, and a heat sink structure. The LED light panel assembly is installed on one side of the lamp housing, and the heat sink structure is installed on the other side of the lamp housing. The heat sink structure includes multiple heat sinks, which are perpendicular to the lamp housing along the airflow direction and are arranged at equal intervals. The height of the heat sinks gradually decreases from the inside to the outside.

[0030] In a preferred embodiment of the present invention, the device further includes internal wires, the LED lamp board assembly is connected to the internal wires, and the internal wires pass through the lamp housing and the heat sink structure.

[0031] In a preferred embodiment of this utility model, the heat sink structure is provided with a copper conductive electrode and a silicone insulating sleeve. The silicone insulating sleeve is installed on the heat sink structure, and the copper conductive electrode is installed on the heat sink structure through the silicone insulating sleeve.

[0032] In a preferred embodiment of the present invention, the device further includes an epoxy resin glue potting area, which is cup-shaped and located at the connection between the internal wire and the lamp housing.

[0033] In a preferred embodiment of the present invention, the LED lamp board assembly includes a filter module, a DC-DC constant current module, a load module, and an overheating power reduction protection module. The filter module is connected to the DC-DC constant current module, the load module is connected to the DC-DC constant current module, and the overheating power reduction protection module is connected to the DC-DC constant current module.

[0034] In a specific embodiment of this utility model, an airborne takeoff and landing lighting light for aircraft is provided. During use, the heat sinks are arranged at equal intervals according to the airflow direction, which is more conducive to heat radiation than other arrangements, thereby improving the lifespan of the lighting fixture.

[0035] The LED light board assembly of this device includes a thermistor. The maximum power that the casing can dissipate is calculated based on simulation data. The resistance of the thermistor changes with temperature, which provides different dimming voltages to the chip. Through the change of dimming voltage, the chip outputs the corresponding power.

[0036] The epoxy resin potting area is shaped like the bottom of a cup. This potting serves to seal the lamp, preventing external moisture from entering the lamp body, and also serves to fix the conductive electrode to the lamp body.

[0037] For the specific implementation scheme of this embodiment, please refer to the relevant descriptions in the above embodiments, which will not be repeated here.

[0038] It is understood that the same or similar parts in the above embodiments can be referred to each other, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0039] It should be noted that in the description of this utility model, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means at least two.

[0040] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0041] The aircraft airborne takeoff and landing lighting device of this invention features an evenly spaced heat sink, which facilitates heat radiation, extends the lifespan of the light fixture, improves heat dissipation efficiency, and enhances structural stability. This technical solution can effectively extend the service life of aircraft airborne takeoff and landing lighting, reduce maintenance costs, and has a wide range of applications.

[0042] In this specification, the present invention has been described with reference to specific embodiments thereof. However, it will be apparent that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be considered illustrative rather than restrictive.

Claims

1. An airborne takeoff and landing lighting device for aircraft, characterized in that, The device includes an LED light board assembly, a lamp housing, and a heat sink structure. The LED light board assembly is installed on one side of the lamp housing, and the heat sink structure is installed on the other side of the lamp housing. The heat sink structure includes multiple heat sinks, which are perpendicular to the lamp housing along the airflow direction and are arranged at equal intervals. The height of the heat sinks gradually decreases from the inside to the outside.

2. The aircraft airborne takeoff and landing lighting device according to claim 1, characterized in that, The device also includes internal wires, the LED light board assembly is connected to the internal wires, and the internal wires pass through the lamp housing and heat sink structure.

3. The aircraft airborne takeoff and landing lighting device according to claim 1, characterized in that, The heat sink structure is provided with copper conductive electrodes and silicone insulating sleeves. The silicone insulating sleeves are installed on the heat sink structure, and the copper conductive electrodes are installed on the heat sink structure through the silicone insulating sleeves.

4. The aircraft airborne takeoff and landing lighting device according to claim 1, characterized in that, The device also includes an epoxy resin potting area, which is cup-shaped and located at the connection between the internal wires and the lamp housing.

5. The aircraft airborne takeoff and landing lighting device according to claim 1, characterized in that, The LED light panel assembly includes a filter module, a DC-DC constant current module, a load module, and an overheating power reduction protection module. The filter module is connected to the DC-DC constant current module, the load module is connected to the DC-DC constant current module, and the overheating power reduction protection module is connected to the DC-DC constant current module.

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