CN212463905U

CN212463905U - Heat radiation structure of optical module

Info

Publication number: CN212463905U
Application number: CN202021674082.5U
Authority: CN
Inventors: 宗敏
Original assignee: U Com Telecom Equipment Co ltd
Current assignee: U Com Telecom Equipment Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-02-02
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a heat radiation structure of optical module, including the module chip, the both ends of module chip are provided with light interface and wiring mouth respectively, the surface of module chip is provided with second shell and first shell, light interface and wiring mouth extend to the outside of second shell and first shell, the inside fixedly connected with fin of first shell, the lower fixed surface of fin is connected with heat conduction silica gel piece, heat conduction silica gel piece contacts with the module chip, the last fixed surface of fin is connected with miniature fan, the inside water conservancy diversion passageway that is provided with of roof of first shell, the water conservancy diversion passageway communicates with one side that first shell is close to the wiring mouth. The utility model discloses radiating structure has improved the radiating effect through ventilation cooling's mode to be convenient for open the convenience with the optical module shell and overhaul inside.

Description

Heat radiation structure of optical module

Technical Field

The utility model relates to an optical module technical field especially relates to a heat radiation structure of optical module.

Background

The optical module is composed 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, the optical module is used for photoelectric conversion, 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.

The existing optical module heat dissipation structure generally only dissipates heat through heat dissipation fins, the optical module is inserted into equipment, internal air cannot circulate, heat cannot be dissipated, and therefore heat dissipation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a heat radiation structure of an optical module.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat radiation structure of an optical module comprises a module chip, wherein an optical interface and a wiring port are respectively arranged at two ends of the module chip, a lower half shell and an upper half shell are arranged on the outer surface of the module chip, the optical interface and the wiring port extend to the outer parts of the lower half shell and the upper half shell, a heat radiating fin is fixedly connected inside the upper half shell, a heat conducting silica gel sheet is fixedly connected to the lower surface of the heat radiating fin, the heat conducting silica gel sheet is contacted with the module chip, a micro fan is fixedly connected to the upper surface of the heat radiating fin, a flow guide channel is arranged inside the top wall of the upper half shell, the flow guide channel is communicated with one side, close to the wiring port, of the upper half shell, a plurality of through holes are formed in the second bottom of the flow guide channel, the plurality of through holes are located above the micro fan, a plurality of supporting plates are fixedly connected inside the lower half, the utility model discloses a fixed connection of a fixed cylinder, including first shell, second shell, first outer wall, first fixing section, second outer wall, first outer shell, second outer shell, first fixing section, second outer wall, first fixing section, second fixing section, first outer shell, second outer shell.

As a further description of the above technical solution:

and a filter screen is arranged inside the air inlet.

As a further description of the above technical solution:

the strip-shaped groove has been all seted up on the upper and lower two sides of light interface and wiring mouth, the inside in strip-shaped groove is provided with the strip shaped plate, the one end in strip-shaped groove and the lateral wall fixed connection of lower half shell and first shell are kept away from to the strip shaped plate.

As a further description of the above technical solution:

the strip-shaped plate is made of rubber.

As a further description of the above technical solution:

and one end of the clamping block, which is close to the spring, is in sliding connection with the sliding groove on the inner side wall of the fixed cylinder.

As a further description of the above technical solution:

and one end of the clamping block, which is far away from the spring, is in a smooth arc shape.

The utility model discloses following beneficial effect has:

1. through the setting of air intake, filter screen, fin, miniature fan, through-hole, water conservancy diversion passageway, make the inside of optical module dispel the heat through the mode of circulation ventilation, solved traditional only dispel the heat and lead to the not good problem of radiating effect through the fin, the inside steam of optical module passes through the water conservancy diversion passageway and discharges, makes it can not appear the problem that the heat distributes and not go out because of it inserts the switch inside.

2. Through the arrangement of the fixing plate, the fixing cylinder, the fixing hole, the spring and the clamping block, the clamping block is pressed by two sides of one hand, and the upper half shell is pulled upwards by the other hand to open the shell, so that the inner part can be conveniently overhauled.

The utility model discloses radiating structure has improved the radiating effect through ventilation cooling's mode to be convenient for open the convenience with the optical module shell and overhaul inside.

Drawings

Fig. 1 is a main sectional view of a heat dissipation structure of an optical module according to the present invention;

fig. 2 is a side cross-sectional view of a heat dissipation structure of an optical module according to the present invention;

fig. 3 is a side view of a heat dissipation structure of an optical module according to the present invention;

fig. 4 is an enlarged view of a of the heat dissipation structure of the optical module according to the present invention.

Illustration of the drawings:

1. a module chip; 2. an optical interface; 3. a wiring port; 4. a lower housing half; 5. an upper housing half; 6. a heat-conducting silica gel sheet; 7. a heat sink; 8. a micro fan; 9. a through hole; 10. a flow guide channel; 11. a support plate; 12. an air inlet; 13. a filter screen; 14. a strip-shaped groove; 15. a strip plate; 16. a fixing plate; 17. a clamping block; 18. a fixed cylinder; 19. a spring; 20. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a heat radiation structure of an optical module comprises a module chip 1, wherein an optical interface 2 and a wiring port 3 are respectively arranged at two ends of the module chip 1, a lower half shell 4 and an upper half shell 5 are arranged on the outer surface of the module chip 1, the optical interface 2 and the wiring port 3 extend to the outer parts of the lower half shell 4 and the upper half shell 5, a heat radiating fin 7 is fixedly connected inside the upper half shell 5, a heat conducting silica gel sheet 6 is fixedly connected to the lower surface of the heat radiating fin 7, the heat conducting silica gel sheet 6 is in contact with the module chip 1, a micro fan 8 is fixedly connected to the upper surface of the heat radiating fin 7, a flow guide channel 10 is arranged inside the top wall of the upper half shell 5, the flow guide channel 10 is communicated with one side, close to the wiring port 3, of the upper half shell 5, a plurality of through holes 9 are arranged at the second bottom of the flow guide channel 10, the plurality of, module chip 1 is located the upper surface of a plurality of backup pads 11, air intake 12 has been seted up to one side that second shell 4 is close to wiring mouth 3, two lateral walls of second shell 4 are fixedly connected with fixed plate 16 respectively, the top of fixed plate 16 extends to one side of first shell 5, the equal fixed knot of both sides wall of first shell 5 has a fixed section of thick bamboo 18, the interior diapire fixedly connected with spring 19 of fixed section of thick bamboo 18, the one end fixedly connected with fixture block 17 of diapire in the fixed section of thick bamboo 18 is kept away from to spring 19, fixed orifices 20 has been seted up to the lateral wall of fixed plate 16, the one end that spring 19 was kept away from to fixture block 17 extends to.

A filter screen 13 is arranged inside the air inlet 12 to prevent dust from entering the inside of the optical module; strip-shaped grooves 14 are formed in the upper surface and the lower surface of the optical interface 2 and the wiring port 3, strip-shaped plates 15 are arranged in the strip-shaped grooves 14, and one ends, far away from the strip-shaped grooves 14, of the strip-shaped plates 15 are fixedly connected with the side walls of the lower half shell 4 and the upper half shell 5, so that the module chip 1 is prevented from shaking in the shell; the strip-shaped plate 15 is made of rubber. The flexibility and the sealing performance are strong; one end of the fixture block 17 close to the spring 19 is in sliding connection with the sliding groove on the inner side wall of the fixed cylinder 18, so that the stability of the fixture block 17 is improved; the end of the latch 17 away from the spring 19 is in a smooth arc shape, so that the latch is more conveniently separated from the fixing hole 20.

The working principle is as follows: one end of an optical interface 2 is inserted into a switch, an upper half shell 5 and a lower half shell 4 are arranged inside the switch, a wiring port 3 is arranged outside, the wiring port 3 is connected with a connecting line so as to transmit information, a radiating fin 7 absorbs heat generated by a module chip 1 and radiates the heat out of a micro fan 8 through the micro fan 8, cool air is sucked from an air inlet 12 and radiates internal hot air out, the air is discharged out of an optical module through a through hole 9 and a flow guide channel 10, when the optical module needs to be disassembled and overhauled, only one hand is needed to press two sides of a clamping block 17, the clamping block 17 compresses a spring 19, the clamping block 17 is separated from a fixing hole 20, and the other hand upwards moves the upper half shell 5 to open the shell.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A heat radiation structure of an optical module comprises a module chip (1), and is characterized in that: the module comprises a module chip (1), wherein an optical interface (2) and a wiring port (3) are respectively arranged at two ends of the module chip (1), the outer surface of the module chip (1) is provided with a lower half shell (4) and an upper half shell (5), the optical interface (2) and the wiring port (3) extend to the outer parts of the lower half shell (4) and the upper half shell (5), a radiating fin (7) is fixedly connected to the inner part of the upper half shell (5), a heat-conducting silica gel sheet (6) is fixedly connected to the lower surface of the radiating fin (7), the heat-conducting silica gel sheet (6) is contacted with the module chip (1), a micro fan (8) is fixedly connected to the upper surface of the radiating fin (7), a flow guide channel (10) is arranged inside the top wall of the upper half shell (5), the flow guide channel (10) is communicated with one side of the upper half shell (5) close to the wiring port (3), and a plurality of through holes, the through holes (9) are positioned above the micro fan (8), the lower half shell (4) is fixedly connected with a plurality of supporting plates (11), the module chip (1) is positioned on the upper surfaces of the plurality of supporting plates (11), one side of the lower half shell (4) close to the wiring port (3) is provided with an air inlet (12), the two outer side walls of the lower half shell (4) are respectively and fixedly connected with a fixed plate (16), the top end of the fixing plate (16) extends to one side of the upper half shell (5), two side walls of the upper half shell (5) are fixedly embedded with fixed cylinders (18), a spring (19) is fixedly connected with the inner bottom wall of the fixed cylinder (18), a clamping block (17) is fixedly connected with one end of the spring (19) far away from the inner bottom wall of the fixed cylinder (18), the side wall of the fixing plate (16) is provided with a fixing hole (20), and one end, far away from the spring (19), of the clamping block (17) extends into the fixing hole (20).

2. The heat dissipation structure of an optical module according to claim 1, wherein: and a filter screen (13) is arranged in the air inlet (12).

3. The heat dissipation structure of an optical module according to claim 1, wherein: strip-shaped groove (14) have all been seted up on the upper and lower two sides of light interface (2) and wiring mouth (3), the inside in strip-shaped groove (14) is provided with strip shaped plate (15), the one end and the lower half shell (4) of strip shaped groove (14) and the lateral wall fixed connection of first half shell (5) are kept away from in strip shaped plate (15).

4. The heat dissipation structure of an optical module according to claim 3, wherein: the strip-shaped plate (15) is made of rubber.

5. The heat dissipation structure of an optical module according to claim 1, wherein: one end of the clamping block (17) close to the spring (19) is in sliding connection with a sliding groove on the inner side wall of the fixed cylinder (18).

6. The heat dissipation structure of an optical module according to claim 1, wherein: one end of the clamping block (17) far away from the spring (19) is in a smooth arc shape.