Radiator lifting mechanism for pluggable optical module
By introducing a lifting mechanism into the optical module radiator, the frictional contact between the thermally conductive material layer and the optical module is avoided, and the problem of easy damage to the thermally conductive material layer during the plug-in and unplugging process is solved, effectively reducing the temperature of the optical module and improving the heat dissipation efficiency.
Patent Information
- Application Number
- CN202422144445.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-02
AI Technical Summary
In the prior art, thermally conductive materials are easily damaged during the multiple insertion and removal of optical modules, resulting in an increase in thermal resistance between the radiator and optical module, and the temperature of the optical module cannot be effectively reduced.
The radiator lifting mechanism is adopted. Through the coordination of the lifting guide rail and the roller, the direct contact between the thermally conductive material layer and the optical module is avoided, thereby achieving lifting or lowering of the radiator, and reducing frictional contact when plugging and unplugging the optical module.
It effectively avoids the risk of breakage of the thermally conductive material layer, reduces the temperature of the optical module, and improves the heat dissipation efficiency.
Smart Images
Figure CN223051546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pluggable optical modules, and particularly relates to a radiator lifting mechanism for a pluggable optical module. Background Art
[0002] Under the current trend of power consumption upgrade of optical modules, there is a metal hard contact between the traditional radiator for cooling the optical module and the optical module, resulting in a high thermal resistance. Adding a thermal conductive material (TIM) between the radiator and the optical module can effectively reduce the thermal resistance and improve the heat conduction efficiency. However, there is a common problem at present: TIM may be damaged during multiple plugging and unplugging processes of the optical module. Once TIM is damaged, the thermal resistance between the radiator and the optical module will increase significantly. Summary of the Invention
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a radiator lifting mechanism for a pluggable optical module to avoid the risk of TIM damage caused by plugging and unplugging the optical module and effectively reduce the temperature of the optical module.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A radiator lifting mechanism for a pluggable optical module includes a radiator, a printed circuit board, and a cage. The cage is fixed on the printed circuit board, the radiator is located above the cage, a thermal conductive material layer is provided at the bottom of the radiator, an elastic member in a compressed state is connected between the radiator and the cage, a lifting guide rail is slidably connected at the gap between the radiator and the cage, a groove is provided on the lifting guide rail, and a slope is provided in the groove. A roller is connected to the radiator and is placed in the corresponding groove. Driving the lifting guide rail to move drives the roller of the radiator to roll on the slope, thereby driving the radiator to lift or lower.
[0006] Further, a handle is fixed to the side of the lifting guide rail.
[0007] The utility model adopts the above technical solutions and has the following beneficial effects: An lifting mechanism is installed in the gap between the radiator of the pluggable optical module and the cage. When inserting or removing the optical module, as long as the lifting guide rail is driven to move to drive the radiator to lift, and then the optical module is inserted or removed, this can avoid the frictional contact between the optical module and the thermal conductive material layer of the radiator, thereby avoiding the risk of damage to the thermal conductive material layer caused by plugging and unplugging the optical module and effectively reducing the temperature of the optical module. Brief Description of the Drawings
[0008] The following further describes the present invention in detail with reference to the drawings and specific embodiments:
[0009] Figure 1 It is a schematic structural diagram of the utility model. Detailed implementation mode
[0010] As Figure 1 shown, a heat sink lifting mechanism for a pluggable optical module of the present utility model includes a heat sink 1, a printed circuit board 2, and a cage 3. The cage 3 is press-fitted and fixed on the printed circuit board 2. The heat sink 1 is located above the cage 3, and a heat-conducting material layer 4 is attached to the bottom of the heat sink 1. An elastic member 5 in a compressed state is connected between the heat sink 1 and the cage 3. A lifting guide rail 6 is slidably connected in the gap between the heat sink 1 and the cage 3. A groove 7 is provided on the lifting guide rail 6, and a slope is provided in the groove 7. A roller 8 is connected to the heat sink 1, and the roller 8 is placed in the corresponding groove 7. Driving the lifting guide rail 6 to move drives the roller 8 of the heat sink 1 to roll on the slope, thereby driving the heat sink 1 to be lifted or lowered.
[0011] A handle 9 is fixed to the side of the lifting guide rail 6, which is convenient for holding and driving the lifting guide rail 6 to move.
[0012] The working principle of the present utility model: Before inserting the optical module, first pull the handle 9 to the left, so that the lifting guide rail 6 moves to the left, and the roller 8 of the heat sink 1 rolls along the slope of the groove 7 and is lifted. At this time, the heat-conducting material layer 4 attached to the bottom of the heat sink 1 is also lifted to a certain height. If the pluggable optical module is inserted at this time, the upper surface of the optical module does not come into contact with the heat-conducting material layer 4 at the bottom of the heat sink 1. After the optical module is inserted in place and self-locked, then push the handle 9 to the right, so that the lifting guide rail 6 slides to the right, and at the same time drives the roller 8 to roll along the slope to the lower position of the groove 7. Because under the elastic force of the elastic member 5, the heat sink 1 and the heat-conducting material layer 4 are pressed against the upper surface of the optical module. The same principle applies when pulling out the optical module. First, pull the handle 9 to the left. After the heat sink 1 is lifted, the heat-conducting material layer 4 is separated from the upper surface of the optical module. At this time, the optical module is pulled out, and finally the handle 9 is pushed to the right to reset the heat sink 1.
[0013] In this embodiment, the high point of the slope of the groove 7 is on the right side. Pulling the lifting guide rail 6 to the left lifts the heat sink 1, and pushing the lifting guide rail 6 to the right lowers the heat sink 1. In addition, the high point of the slope of the groove 7 can also be set on the left side, and the operation is just the opposite.
[0014] The above describes the specific implementation mode of the present utility model. However, those skilled in the art should understand that this is only an example. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to this implementation mode, but these changes and modifications all fall within the protection scope of the present utility model.
Claims
1. A heat sink lifting mechanism for a pluggable optical module, comprising a heat sink, a printed circuit board and a cage, wherein the cage is fixed on the printed circuit board, the heat sink is located above the cage, and a heat conductive material layer is provided at the bottom of the heat sink, characterized in that: An elastic member in a compressed state is connected between the radiator and the cage, a lifting guide rail is slidably connected to the gap between the radiator and the cage, a groove is provided on the lifting guide rail, a slope is provided in the groove, and a roller is connected to the radiator, and the roller is placed in the corresponding groove; the lifting guide rail is driven to move, driving the roller of the radiator to roll on the slope, thereby driving the radiator to be raised or lowered.
2. The heat sink lifting mechanism for a pluggable optical module according to claim 1, characterized in that: A handle is fixed on the side of the lifting guide rail.