CN218914869U

CN218914869U - High-reliability low-electromagnetic-radiation anti-interference lamp structure

Info

Publication number: CN218914869U
Application number: CN202222823490.8U
Authority: CN
Inventors: 吕建康
Original assignee: Shanghai Hyjas Electron Co ltd
Current assignee: Shanghai Hyjas Electron Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-25
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a high-reliability low-electromagnetic radiation anti-interference lamp structure, which relates to the field of lamps and comprises a front cover, a rear cover fixedly connected with the front cover, a display board arranged on the front cover and a luminous control printed board. The utility model has the characteristics of water resistance, low radiation and high electromagnetic interference resistance, and can normally work in complex natural environment and electromagnetic environment.

Description

High-reliability low-electromagnetic-radiation anti-interference lamp structure

Technical Field

The utility model relates to the field of lamps, in particular to a lamp structure which is applied to airplanes, ships, armored vehicles and the like and needs to work in complex electromagnetic environments and natural environments.

Background

In the field of airborne defense, lamps with various forms and functions have very important roles, and can play roles of illumination, alarming, indication, atmosphere and the like. However, the complexity of the natural and electromagnetic environments faced by such equipment makes it susceptible to premature or accidental failure, especially in lamps containing complex control logic inside, whose electromagnetic environment, natural environment viability, is often a major issue in the development of such products.

Disclosure of Invention

The purpose of the utility model is that: the lamp structure with high reliability, low electromagnetic radiation and interference resistance is provided.

In order to achieve the above purpose, the technical scheme of the utility model provides a high-reliability low-electromagnetic radiation anti-interference lamp structure, which comprises a front cover, a rear cover fixedly connected with the front cover, a display board arranged on the front cover and a light-emitting control printed board.

Preferably, the front cover and the rear cover are connected with a fastener.

Preferably, the rear cover is fitted with a waterproof connector.

Preferably, the front cover and the rear cover are connected with a conductive waterproof gasket.

Preferably, a shielding wire mesh electrically connected with the side wall of the front cover is arranged between the display panel and the light-emitting control printed board.

Preferably, both sides of the shielding silk screen are respectively provided with a front dispersion plate and a rear dispersion plate.

Preferably, the front diffusion plate, the shielding wire mesh, the rear diffusion plate, the light emission control printed board and the front cover are bonded with silica gel.

Preferably, the display panel is bonded to the front cover.

Preferably, the front cover and the rear cover are made of aluminum alloy materials and are subjected to conductive oxidation surface treatment.

Preferably, the display panel is made of a milky semitransparent material.

In summary, the utility model has the following beneficial technical effects:

the utility model provides a lamp structure with high reliability, low electromagnetic radiation and anti-interference, which has the characteristics of water resistance, low radiation and high anti-electromagnetic interference and can normally work in complex natural environments and electromagnetic environments.

Drawings

FIG. 1 is a structural diagram of the present utility model;

fig. 2 is an exploded view of the present utility model.

Reference numerals: 1. a front cover; 2. a display panel; 3. a front diffuser plate; 4. a shielding silk screen; 5. a rear diffusion plate; 6. a light emission control printed board; 7. a conductive waterproof gasket; 8. a rear cover; 9. a fastener; 10. a waterproof connector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

With reference to fig. 1 and 2, the technical scheme of the utility model provides a high-reliability, low-electromagnetic-radiation and anti-interference lamp structure, which comprises a front cover 1 and a rear cover 8, wherein the front cover 1 and the rear cover 8 are connected through a fastener 9, a conductive waterproof gasket 7 is arranged between the front cover 1 and the rear cover 8, a display panel 2 is adhered in the front cover 1, and a waterproof connector 10 is arranged in the rear cover 8.

The inner side of the front cover 1 is provided with a front dispersion plate 3, a shielding silk screen 4, a rear dispersion plate 5 and a light-emitting control printed board 6, and the front dispersion plate is limited by different steps of the front cover 1 and is bonded on the front cover 1 by silica gel; the shielding silk screen 4 is extruded by the side edge of the back dispersion plate 5, so that the shielding silk screen is electrically connected with the side wall of the front cover 1.

In this way, the rear cover 8, the front cover 1, the conductive waterproof gasket 7 and the shielding silk screen 4 can form a complete shielding structure, so that the luminous control printed board 6 can reduce external radiation and greatly enhance the capability of resisting external electromagnetic interference.

Meanwhile, the rear cover 8, the waterproof connector 10, the front cover 1, the conductive waterproof gasket 7, the display panel 2 and the silica gel required for sealing form a sealed cavity, so that external water vapor can be prevented from entering the product, and the performances of damp and heat resistance, salt fog, mold and the like of the product are greatly improved.

In this example, the front cover 1 and the rear cover 8 are both engraved and milled from aluminum alloy materials, and are subjected to surface conduction oxidation treatment. The display panel 2 is formed by processing milky organic glass, and the display panel 2 and the front cover 1 are sealed by silica gel along the periphery. Through actual measurement, the product can normally work in water, and can meet the common electromagnetic compatibility index requirements.

In order to achieve specific electromagnetic compatibility parameters of the product, parameters such as the material, mesh number and the like of the shielding silk screen 4 can be set.

The front cover 1 and the rear cover 8 are preferably made of aluminum alloy materials and are subjected to conductive oxidation surface treatment; the display panel 2 is preferably made of a milky translucent material.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A high reliability, low electromagnetic radiation, anti-interference lamp structure, its characterized in that: comprises a front cover (1), a rear cover (8) fixedly connected with the front cover (1), a display panel (2) arranged on the front cover (1) and a luminous control printed board (6);

the front cover (1) and the rear cover (8) are connected with a conductive waterproof gasket (7);

a shielding silk screen (4) electrically connected with the side wall of the front cover (1) is arranged between the display panel (2) and the luminous control printed board (6).

2. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the front cover (1) and the rear cover (8) are connected with a fastener (9).

3. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the rear cover (8) is provided with a waterproof connector (10).

4. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the two sides of the shielding silk screen (4) are respectively provided with a front dispersion plate (3) and a rear dispersion plate (5).

5. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 4, wherein: the front dispersion plate (3), the shielding silk screen (4), the rear dispersion plate (5), the light-emitting control printed board (6) and the front cover (1) are adhered with silica gel.

6. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the display panel (2) is bonded to the front cover (1).

7. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the front cover (1) and the rear cover (8) are made of aluminum alloy materials and are subjected to conductive oxidation surface treatment.

8. The high reliability, low electromagnetic radiation, interference resistant lamp structure of claim 1, wherein: the display panel (2) is made of a milky semitransparent material.