CN219676344U

CN219676344U - Optical module heat radiation structure

Info

Publication number: CN219676344U
Application number: CN202321277470.3U
Authority: CN
Inventors: 钟晶; 丁青华; 周扬明; 许宽宏
Original assignee: Shenzhen Pengyu Photoelectric Technology Co ltd
Current assignee: Shenzhen Pengyu Photoelectric Technology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-12
Anticipated expiration: 2033-05-25

Abstract

The utility model provides an optical module radiating structure which comprises a shell and a heat conducting mechanism, wherein one end of the heat conducting mechanism is movably connected with the top of the shell, the heat conducting mechanism comprises a movable cover plate, a radiating rib plate and a heat conducting plate, the radiating rib plate is arranged between the movable cover plate and the heat conducting plate, an independent ventilation cavity is formed between the radiating rib plate and the heat conducting plate, the ventilation cavity is communicated with one side of the shell, the movable cover plate is detachably connected with the heat conducting plate through a screw, one end of the movable cover plate is hinged to the top of the shell, the other end of the movable cover plate is clamped with the top of the cover plate, heat is absorbed through the heat conducting plate, heat is radiated through the radiating rib plate and the movable cover plate, an independent ventilation cavity is formed between the radiating rib plate and the heat conducting plate, namely, the heat can be radiated through the ventilation cavity and the radiating groove, and as the movable cover plate can be clamped in a limit groove at the top of the fixed plate, dust accumulation is prevented.

Description

Optical module heat radiation structure

Technical Field

The utility model relates to the field of optical modules, in particular to an optical module heat dissipation structure.

Background

The optical module consists of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part, and the optical module has the function that a transmitting end converts an electric signal into an optical signal, and a receiving end converts the optical signal into the electric signal after the optical signal is transmitted through an optical fiber, wherein the optical module is generally used in a severe environment by adopting an industrial-grade optical module.

The radiating fin structure adopted by the existing optical module is exposed in the air for a long time, dust is easy to accumulate in gaps of the radiating fin due to the special structure of the radiating fin, so that heat on the surface of the radiating fin is difficult to quickly dissipate, the radiating efficiency of the radiating fin is reduced, and the internal temperature of the optical module is easy to be damaged due to overhigh temperature.

Therefore, it is necessary to provide a new heat dissipation structure of an optical module to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an optical module heat dissipation structure.

The utility model provides an optical module radiating structure which comprises a shell and a heat conducting mechanism, wherein one end of the heat conducting mechanism is movably connected with the top of the shell, the heat conducting mechanism comprises a movable cover plate, a radiating rib plate and a heat conducting plate, the radiating rib plate is positioned between the movable cover plate and the heat conducting plate, an independent ventilation cavity is formed between the radiating rib plate and the heat conducting plate, the ventilation cavity is communicated with one side of the shell, the movable cover plate is detachably connected with the heat conducting plate through a screw, one end of the movable cover plate is hinged to the top of the shell, and the other end of the movable cover plate is clamped with the top of the cover plate.

Further, the casing includes spill bottom plate and is used for optical module interface connection's interface shell, spill bottom plate with interface shell fixed connection, just the spill bottom plate is close to interface shell's one end with the fly leaf articulates mutually, fixedly connected with fixed plate in the spill bottom plate, the top of fixed plate with the fly leaf is kept away from the one end looks block of spill bottom plate.

Further, a plurality of radiating grooves are formed in one side of the fixed plate in an equidistant mode, the radiating grooves are communicated with the ventilation cavity, and a plurality of limiting grooves are formed in the top of the fixed plate.

Further, one end of the movable cover plate, which is far away from the concave bottom plate, is fixedly connected with a plurality of limit posts, and the limit posts are respectively clamped with the limit grooves.

Further, the long side dimension of the movable cover plate is larger than the long side dimension of the heat conducting plate.

Further, the radiating rib plates and the movable cover plate are welded in a split type or an integrated type.

Compared with the related art, the optical module heat dissipation structure provided by the utility model has the following beneficial effects:

when the optical module generates heat, absorb heat through the heat conduction board, heat is dispelled the heat through heat dissipation gusset and removable cover, and form independent ventilative cavity between heat dissipation gusset and the heat conduction board, the heat dissipation groove is linked together with ventilative cavity, and heat accessible ventilative cavity and heat dissipation groove volatilize and dispel the heat, improves the radiating effect to a certain extent, and because removable cover can block in the spacing inslot at fixed plate top, prevent the accumulational condition of dust.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a heat dissipation structure of an optical module according to the present utility model;

fig. 2 is a schematic view of another view angle structure of the heat dissipation structure of the optical module according to the present utility model;

FIG. 3 is a schematic diagram of an explosion structure of the heat conducting mechanism according to the present utility model;

FIG. 4 is a schematic view of another view structure of the heat conduction mechanism according to the present utility model;

fig. 5 is an enlarged schematic view of the structure a shown in fig. 2.

Reference numerals in the drawings: 1. a housing; 2. a removable cover; 3. a heat dissipation rib plate; 4. a heat conductive plate; 5. a ventilation cavity; 6. a concave bottom plate; 7. an interface housing; 8. a fixing plate; 9. a heat sink; 10. a limit groove; 11. and a limit column.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic diagram of an overall structure of a heat dissipation structure of an optical module according to the present utility model; fig. 2 is a schematic view of another view angle structure of the heat dissipation structure of the optical module according to the present utility model; FIG. 3 is a schematic diagram of an explosion structure of the heat conducting mechanism according to the present utility model; FIG. 4 is a schematic view of another view structure of the heat conduction mechanism according to the present utility model; fig. 5 is an enlarged schematic view of the structure a shown in fig. 2.

In the specific implementation process, as shown in fig. 1-5, the one end and the casing 1 top swing joint of heat conduction mechanism, heat conduction mechanism includes removable cover 2, heat dissipation gusset 3 and heat conduction board 4, heat dissipation gusset 3 is located between removable cover 2 and the heat conduction board 4, heat conduction board 4 can be zinc-copper alloy, form independent ventilative cavity 5 between heat dissipation gusset 3 and the heat conduction board 4, and ventilative cavity 5 is linked together with casing 1 one side, removable cover 2 and heat conduction board 4 pass through the detachable connection of screw, the one end of removable cover 2 articulates in casing 1 top, and the other end and the apron top looks block of removable cover 2, casing 1 includes concave bottom plate 6 and is used for optical module interface connection's interface housing 7, concave bottom plate 6 and interface housing 7 fixed connection, and concave bottom plate 6 is close to interface housing 7's one end and removable cover 2 looks articulated, concave bottom plate 6 internal fixation has fixed plate 8, the top of fixed plate 8 and the one side equidistance of removable cover 2 keep away from the one side of concave bottom plate 6 and be equipped with a plurality of heat dissipation grooves 9, groove 9 and ventilative cavity 5 are linked together, the top of fixed plate 8 is equipped with a plurality of limit post-shaped limit stud 11 and the limit-shaped limit post that the size of a plurality of sides 2 is connected in a plurality of the limit-shaped limit post 11, the limit of the limit post that is formed in the size of the removable cover 2 is long side of the removable cover 2, the limit post is connected with the removable cover 2, the limit 11 is connected.

The working principle provided by the utility model is as follows: when the equipment is used, the limit post 11 on the movable cover plate 2 is clamped in the limit groove 10, when the optical module heats, heat is absorbed through the heat-conducting plate 4, heat is radiated through the heat-radiating rib plate 3 and the movable cover plate 2, an independent ventilation cavity 5 is formed between the heat-radiating rib plate 3 and the heat-conducting plate 4, the heat-radiating groove 9 is communicated with the ventilation cavity 5, namely, heat can be volatilized through the ventilation cavity 5 and the heat-radiating groove 9, the heat radiating effect is improved to a certain extent, and as the movable cover plate 2 can be clamped in the limit groove 10 at the top of the fixed plate 8, dust accumulation is prevented.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides an optical module heat radiation structure, its characterized in that, includes casing (1) and heat conduction mechanism, heat conduction mechanism's one end with casing (1) top swing joint, heat conduction mechanism includes fly leaf (2), heat dissipation gusset (3) and heat conduction board (4), heat dissipation gusset (3) are located fly leaf (2) and between heat conduction board (4), heat dissipation gusset (3) with form independent ventilative cavity (5) between heat conduction board (4), just ventilative cavity (5) with casing (1) one side is linked together, fly leaf (2) with heat conduction board (4) are through screw detachable connection, the one end of fly leaf (2) articulate in casing (1) top, just the other end of fly leaf (2) with the block of apron top mutually.

2. The light module heat dissipation structure as recited in claim 1, characterized in that the housing (1) comprises a concave bottom plate (6) and an interface housing (7) for connecting with an interface of the light module, the concave bottom plate (6) is fixedly connected with the interface housing (7), one end, close to the interface housing (7), of the concave bottom plate (6) is hinged with the movable cover plate (2), a fixing plate (8) is fixedly connected in the concave bottom plate (6), and the top of the fixing plate (8) is clamped with one end, far away from the concave bottom plate (6), of the movable cover plate (2).

3. The light module heat radiation structure as claimed in claim 2, wherein a plurality of heat radiation grooves (9) are arranged on one side of the fixed plate (8) in an equidistant manner, the heat radiation grooves (9) are communicated with the ventilation cavity (5), and a plurality of limit grooves (10) are arranged on the top of the fixed plate (8).

4. A light module heat dissipation structure according to claim 3, wherein one end of the movable cover plate (2) far away from the concave bottom plate (6) is fixedly connected with a plurality of limit posts (11), and the plurality of limit posts (11) are respectively clamped with the plurality of limit grooves (10).

5. The light module heat dissipation structure according to claim 1, characterized in that the long side dimension of the movable cover plate (2) is larger than the long side dimension of the heat conducting plate (4).

6. The light module heat dissipation structure according to claim 1, wherein the heat dissipation rib plate (3) and the movable cover plate (2) are formed by split welding or are of an integral structure.