Search

CN-122018095-A - Optical module

CN122018095ACN 122018095 ACN122018095 ACN 122018095ACN-122018095-A

Abstract

The invention discloses an optical module, which comprises a shell, a pull ring, an unlocking part and a radiating structure, wherein the shell comprises an upper shell, a lower shell and two side plates, the radiating structure comprises a radiating part, a first radiating fin and a second radiating fin, the radiating part is positioned at the end part of the upper shell, which is close to the pull ring, the first radiating fin is attached to the radiating part, the second radiating fin is fixedly connected with the unlocking part, the second radiating fin is directly contacted with the shell through the unlocking part so as to enable heat of the shell to be transferred to the second radiating fin through the unlocking part and conduct heat to the outside through the second radiating fin, the radiating part comprises a groove, a flattening area and a bending area, the groove is formed at one end of the upper surface of the upper shell, the groove is positioned at the middle position of the end part of the upper shell, the upper shells at two sides of the groove form a blocking part, the first radiating fin comprises a first part, a second part and a third part, and the bending area and the second part are obliquely arranged and have the same inclination angle. The optical module can effectively conduct heat to the outside of the optical module, and achieves the effect of rapid heat dissipation.

Inventors

  • GE QIGUANG

Assignees

  • 苏州识马汉精密科技有限公司

Dates

Publication Date
20260512
Application Date
20211230

Claims (10)

  1. 1. The utility model provides an optical module, includes casing, pull ring, unblock portion and heat radiation structure, the casing includes upper housing, inferior valve and two curb plates, its characterized in that, heat radiation structure includes heat dissipation portion, first fin and second fin, heat dissipation portion is located the upper housing and is close to the tip of pull ring, first fin is laminated with heat dissipation portion, second fin and unblock portion fixed connection, second fin is through unblock portion direct contact casing for the heat that makes the casing shifts to on the second fin through unblock portion, and outside conduction heat to through the second fin; The heat dissipation part comprises a groove, a leveling area and a bending area which are formed at one end of the upper surface of the upper shell, the groove, the leveling area and the bending area are sequentially connected, the groove is located at the middle position of the end part of the upper shell, a blocking part is formed on part of the upper shell at two sides of the groove and used for fixing a first heat dissipation fin, the first heat dissipation fin comprises a first part, a second part and a third part, the bending area and the second part are obliquely arranged, and the inclination angle of the second part is identical with that of the bending area.
  2. 2. The optical module of claim 1, wherein the upper housing further comprises an upper housing body, the upper housing body is connected to the bending region, and the lengths of the upper housing body, the bending region, and the flattening region are all equal to the width of the upper housing.
  3. 3. The optical module of claim 2, wherein a distance from the lower surface of the flat region to the bottom surface of the groove is equal to a thickness of the first heat sink for causing the upper surface of the portion of the first heat sink corresponding to the flat region to be in contact with the lower surface of the flat region when the first heat sink is in contact with the heat sink.
  4. 4. The light module of claim 2 wherein the upper surface of the first heat sink when the portion of the first heat sink is positioned to engage the recess is flush with the upper surface of the upper housing end.
  5. 5. The light module of claim 1 wherein the unlocking portion comprises a connecting plate located above the groove, a height from a lower surface of the connecting plate to the lower case being greater than a height from an upper surface of the first heat sink to the lower case.
  6. 6. The light module of claim 5 wherein an upper surface of the end of the third portion proximate the second portion conforms to a lower surface of the flattened region, a remaining portion of the third portion being in the recess and a portion of the third portion being in the recess being below the connection plate, a portion of the first heat sink below the connection plate not conforming to the connection plate for causing a gap therebetween through which heat from the portion of the first heat sink conforming to the upper housing is conducted outwardly.
  7. 7. The light module of claim 1 wherein the second portion has a width equal to a width of the bending region for conforming the second portion to the bending region, the second portion having a length less than or equal to a length of the bending region.
  8. 8. The light module of claim 7 wherein the length of the first portion and the length of the third portion are each less than or equal to the width of the upper housing and the length of the third portion is equal to or less than the sum of the widths of the grooves and the flattened regions.
  9. 9. A light module as recited in claim 3, wherein the second heat sink comprises a connecting piece and connecting strips at two sides of the connecting piece, the two connecting strips are wrapped by the side wall of the pull ring, the connecting piece is close to one end of the pull ring far away from the unlocking part, and the connecting piece is exposed.
  10. 10. The optical module of claim 9, wherein the first heat sink is made of graphene, the second heat sink and the unlocking portion are made of metal, and the housing is made of zinc alloy.

Description

Optical module The application relates to a radiating structure of an optical module and a division application of the optical module, which are applied for the patent application of 2021, 12-month and 30-day, 202111652652.X and the application name of the radiating structure of the optical module. Technical Field The invention relates to the technical field of communication equipment, in particular to a heat dissipation structure of an optical module and the optical module comprising the heat dissipation structure. Background The optical module is an optical transceiver module for short, is a core device for optical communication, and is used for completing optical-electric/electric-optical conversion of optical signals. With the development of optical communication products, the bandwidth and the rate of an automatic receiving module in the optical communication industry are larger and larger, the processing power of the product IC is larger and larger, and the heat dissipation requirement is higher and higher. At present, the heat dissipation method in the industry uses a structural part zinc alloy material to dissipate heat, and meanwhile, the zinc alloy structural part conducts heat to a clamping cage made of stainless steel to dissipate heat, so that when hundreds of modules with multiple rows of array distances in a cloud machine room are used together, the overall heat is higher, the heat conductivity of the zinc alloy is 112W/MK, and the heat dissipation effect of an optical module is poor. Disclosure of Invention In view of the above, in order to overcome the defects of the prior art, the present invention is directed to an improved optical module, which effectively improves the heat dissipation effect of the optical module. In order to achieve the above purpose, the present invention adopts the following technical scheme: The heat dissipation structure of the optical module comprises a shell, a pull ring and an unlocking part, wherein the shell comprises an upper shell, a lower shell and two side plates, a cavity is formed among the upper shell, the lower shell and the two side plates, the heat dissipation structure comprises a heat dissipation part positioned on the upper shell and a first heat dissipation fin attached to the heat dissipation part, the heat dissipation structure further comprises a second heat dissipation fin fixedly connected with the unlocking part, and one end of the second heat dissipation fin, far away from the unlocking part, is connected with one end of the pull ring, far away from the unlocking part. The unlocking part is provided with a second radiating fin, one end of the second radiating fin away from the unlocking part is connected with one end of the pull ring away from the unlocking part, the second radiating fin is directly contacted with the optical module shell through the unlocking part, so that the shell heat is transferred to the second radiating fin through the unlocking part, and the heat is conducted to the outside through the second radiating fin. The combination of the first radiating fin and the second radiating fin is beneficial to enabling the optical module to achieve the effect of rapid heat dissipation. Preferably, the heat dissipation part is located at an end of the upper shell, which is close to the pull ring, and comprises a groove, a leveling area and a bending area, wherein the groove, the leveling area and the bending area are formed at one end of the upper surface of the upper shell, the leveling area is located between the groove and the bending area, and the upper shell is connected with the bending area. Preferably, the upper shell body is parallel to the flattening area, the bending area is obliquely arranged, and the height from the lower surface of the flattening area to the lower shell is greater than the height from the lower surface of the upper shell body to the lower shell. Preferably, the length of the groove is smaller than the width of the upper case, the depth of the groove is smaller than the thickness of the upper case, and the depth of the groove is equal to the thickness of the first heat sink. The length of the groove is smaller than the width of the upper shell, namely, the end part of the upper shell, which is close to the unlocking part, is not completely provided with the groove along the width direction of the upper shell, but the reserved part is not provided with the groove. The depth of the groove is equal to the thickness of the first radiating fin, namely, when part of the first radiating fin is attached to the groove, the upper surface of the first radiating fin and the upper surface of the end part of the upper shell can be kept flush, and the connection of the unlocking part is prevented from being influenced. Preferably, one end of the flat area is connected with one end of the groove, the other end of the flat area is connected with one end of the bending area, and the distance from the lower surface of th