Search

CN-121978808-A - Optical module radiator and optical module assembly

CN121978808ACN 121978808 ACN121978808 ACN 121978808ACN-121978808-A

Abstract

The invention discloses an optical module radiator and an optical module assembly, which relate to the technical field of communication, wherein the optical module radiator comprises a heat exchange shell, a pressure regulating device and a plurality of metal films, a heat exchange cavity for containing and replacing a heat medium is formed in the heat exchange shell, a plurality of first communication ports which are in one-to-one correspondence with a plurality of optical module cages of the optical module assembly are formed in the bottom of the heat exchange shell, the first communication ports are communicated with the heat exchange cavity, the metal films are in one-to-one correspondence with the first communication ports, each metal film covers the corresponding first communication port, the pressure regulating device is used for regulating the medium pressure of the heat exchange medium, the optical module radiator adopts an integrated structure, one heat exchange shell corresponds to the optical modules, fasteners and independent heat pipes are greatly reduced, assembly is simplified, cost is reduced, the metal films can be self-adaptively attached to the top outline of the optical module, contact thermal resistance between the metal films and the optical module is reduced, heat conduction efficiency is remarkably improved, and heat dissipation efficiency is further improved.

Inventors

  • YE WEIBIN
  • CHEN SIYONG
  • KONG WENCHAO

Assignees

  • 鹏城实验室

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. An optical module heat sink, comprising: The heat exchange shell is internally provided with a heat exchange cavity for containing and replacing a heat medium, the bottom of the heat exchange shell is provided with a plurality of first communication ports which are used for being in one-to-one correspondence with a plurality of optical module cages of the optical module assembly, and the first communication ports are communicated with the heat exchange cavity; the metal films are in one-to-one correspondence with the first communication ports, and each metal film covers the corresponding first communication port; and And the pressure regulating device is used for regulating the medium pressure of the heat exchange medium.
  2. 2. The optical module radiator of claim 1, wherein the pressure regulating device includes a rubber elastic membrane, a second communication port communicating with the heat exchange cavity is further formed in the bottom of the heat exchange shell, the rubber elastic membrane covers the second communication port, and the rubber elastic membrane can deform in an extending direction of the second communication port to regulate a medium pressure of the heat exchange medium.
  3. 3. The optical module heatsink of claim 1, wherein the voltage regulating means comprises: The bottom of the heat exchange shell is also provided with a second communication port communicated with the heat exchange cavity, the second communication port is covered by the metal elastic membrane, and the metal elastic membrane can deform in the extending direction of the second communication port so as to adjust the medium pressure of the heat exchange medium; the pressing plate is arranged on one side of the metal elastic membrane, which is away from the heat exchange shell; an adjusting bolt comprising a rod part and a head part which are connected, wherein the rod part penetrates through the pressing plate and is in threaded connection with the heat exchange shell, and And the spring is clamped between the pressing plate and the head part.
  4. 4. The optical module heatsink of claim 1, wherein the voltage regulating means comprises: A communicating pipe, both ends of which are communicated with the heat exchange cavity, and The booster pump and the pressure relief valve are arranged on the communicating pipe, the booster pump is used for adjusting the medium pressure of the heat exchange medium, and the pressure relief valve is used for adjusting the medium pressure of the heat exchange medium.
  5. 5. The optical module heat sink of claim 1 wherein the metal film has a thickness δ, wherein δ satisfies the relationship 0.01 mm-0.1 mm.
  6. 6. The light module heatsink of claim 1, wherein the heat exchanging shell is an aluminum material piece.
  7. 7. The optical module heat sink of claim 1 wherein the metal film is one of stainless steel, nickel alloy and titanium alloy.
  8. 8. The optical module radiator of claim 1, wherein a flow guiding rib is provided in the heat exchanging cavity for guiding the flow of the heat exchanging medium so that the pressure is uniformly transferred to each of the metal films.
  9. 9. The optical module heatsink of claim 1, further comprising cooling fins disposed on an outer surface of the heat exchanging shell.
  10. 10. An optical module assembly, comprising: A substrate; An optical module heat sink comprising an optical module heat sink as claimed in any one of claims 1 to 9, a heat exchange housing of the optical module heat sink being provided to the substrate, and The optical module comprises a heat exchange shell, a substrate, a plurality of optical module cages, a metal film and a window, wherein the plurality of optical module cages are arranged between the heat exchange shell and the substrate, and the top of the optical module cage is provided with the window for the metal film to contact the optical module.

Description

Optical module radiator and optical module assembly Technical Field The present invention relates to the field of communications technologies, and in particular, to an optical module radiator and an optical module assembly. Background With the development of communication technology, the optical module generates a large amount of heat in the working process, and the optical module needs to rely on a radiator to effectively dissipate heat. Because the optical module needs to be plugged and unplugged in daily maintenance, and the height tolerance exists among different optical modules, the radiator is required to be capable of moving up and down to adapt to the plugging and unplugging of the optical module, so that the radiator and the optical module are guaranteed to be fully attached. In the related art, the heat sinks for radiating the light modules are generally independent, that is, one light module corresponds to one heat sink, and each heat sink needs a set of independent fasteners, which occupies the internal space of the device, limits the size of the heat sink, and further reduces the efficiency of the heat sink. Disclosure of Invention The invention mainly aims to provide an optical module radiator and an optical module assembly, and aims to improve radiating efficiency. The optical module radiator comprises a heat exchange shell, a pressure regulating device and a plurality of metal films, wherein a heat exchange cavity for containing and replacing a heat medium is formed in the heat exchange shell, a plurality of first communication ports which are in one-to-one correspondence with a plurality of optical module cages of an optical module assembly are formed in the bottom of the heat exchange shell, the first communication ports are communicated with the heat exchange cavity, the metal films are in one-to-one correspondence with the first communication ports, each metal film covers the corresponding first communication port, and the pressure regulating device is used for regulating the medium pressure of the heat exchange medium. In an embodiment, the pressure regulating device comprises a rubber elastic membrane, a second communication port communicated with the heat exchange cavity is further formed in the bottom of the heat exchange shell, the rubber elastic membrane covers the second communication port, and the rubber elastic membrane can deform in the extending direction of the second communication port to regulate the medium pressure of the heat exchange medium. In an embodiment, the pressure regulating device comprises a metal elastic membrane, a pressing plate, an adjusting bolt and a spring, wherein a second communication port communicated with the heat exchange cavity is further formed in the bottom of the heat exchange shell, the metal elastic membrane covers the second communication port, the metal elastic membrane can deform in the extending direction of the second communication port to regulate the medium pressure of the heat exchange medium, the pressing plate is arranged on one side, away from the heat exchange shell, of the metal elastic membrane, the adjusting bolt comprises a rod portion and a head portion, the rod portion penetrates through the pressing plate and is in threaded connection with the heat exchange shell, and the spring is clamped between the pressing plate and the head portion. In one embodiment, the pressure regulating device comprises a communicating pipe, a booster pump and a pressure relief valve, wherein both ends of the communicating pipe are communicated with the heat exchange cavity, the booster pump and the pressure relief valve are arranged on the communicating pipe, the booster pump is used for regulating the medium pressure of the heat exchange medium, and the pressure relief valve is used for regulating the medium pressure of the heat exchange medium. In one embodiment, the thickness of the metal film is delta, wherein delta satisfies the relation that delta is less than or equal to 0.01mm and less than or equal to 0.1mm. In one embodiment, the heat exchange shell is an aluminum material piece. In an embodiment, the material of the metal film is one of stainless steel, nickel alloy and titanium alloy. In one embodiment, a flow guiding rib is disposed in the heat exchange cavity and is used for guiding the flow of the heat exchange medium, so that the pressure is uniformly transferred to each metal film. In an embodiment, the optical module radiator further comprises heat radiating fins, and the heat radiating fins are arranged on the outer surface of the heat exchange shell. The invention further provides an optical module assembly, which comprises a substrate, an optical module radiator and a plurality of optical module cages, wherein the optical module radiator comprises the optical module radiator, a heat exchange shell of the optical module radiator is arranged on the substrate, the optical module cages are arranged between the heat exchange shell