An electromagnetic shielded box for optical module testing

Abstract

The utility model discloses a kind of electromagnetic shielding box for optical module test, including shielding shell and test platform;The shielding shell is made of multiple metal material plate bodies and is sequentially enclosed and spliced, and electrically-conductive gasket is equipped at the joint between two adjacent plate bodies;Test port is provided on the shielding shell, and the outer end of the test port is connected with the optical module to be tested;The test platform is fixed in the shielding shell, and the test platform is connected with the inner end of the test port;The test port has two, and they are OSFP optical module test port and QSFP-DD optical module test port respectively.The utility model has the beneficial effects that: shielding shell is made of metal material, electrically-conductive gasket is equipped at the joint between shielding shell plate bodies, and they form integrated shielding, greatly improve electromagnetic shielding efficiency, reduce external electromagnetic interference, meet high-speed optical module test requirements.

Claims

1. An electromagnetic shielding box for testing optical modules, characterized in that, Includes shielding housing and testing platform; The shielding shell is formed by sequentially assembling and splicing multiple metal plates, with conductive pads provided at the joints between adjacent plates. A test port is provided on the shielding housing, and the outer end of the test port is connected to the optical module to be tested. The test platform is fixed inside the shielding housing, and the test platform is connected to the inner end of the test port; There are two test ports: an OSFP optical module test port and a QSFP-DD optical module test port; both the OSFP optical module test port and the QSFP-DD optical module test port are connected to the test platform.

2. The electromagnetic shielding box for optical module testing as described in claim 1, characterized in that, The electromagnetic shielding box for optical module testing is also equipped with a heat dissipation component, which includes a fan and an electromagnetic shielding ventilation plate. The fan is installed inside the shielding housing, the electromagnetic shielding ventilation plate is located on the side wall of the shielding housing, and the air outlet of the fan is directly opposite the electromagnetic shielding ventilation plate.

3. The electromagnetic shielding box for optical module testing as described in claim 1, characterized in that, A temperature sensor is installed inside the shielding housing.

4. The electromagnetic shielding box for optical module testing as described in claim 2, characterized in that, The electromagnetic shielding ventilation panel is honeycomb-shaped.

5. The electromagnetic shielding box for optical module testing as described in claim 4, characterized in that, The shielding shell has a cuboid structure, consisting of multiple plates including a top plate, a bottom plate, and four side plates, namely the front side plate, the rear side plate, the left side plate, and the right side plate; each plate is made of galvanized steel sheet.

6. The electromagnetic shielding box for optical module testing as described in claim 5, characterized in that, The rear side plate, the left side plate, and the right side plate are connected to the bottom plate by a plug-in connection; the front side plate is connected to the top plate, the left side plate, the right side plate, and the bottom plate by bolts.

7. The electromagnetic shielding box for optical module testing as described in claim 5, characterized in that, The electromagnetic shielding ventilation plate is located on the rear side plate.

8. The electromagnetic shielding box for optical module testing as described in claim 5, characterized in that, The test platform is housed within the shielding housing via four corner support copper pillars. The lower ends of the support copper pillars are connected to the base plate, and the upper ends of the support copper pillars pass through the mounting holes at the four corners of the test platform and are connected and fixed to the test platform via connecting bolts.

9. The electromagnetic shielding box for optical module testing as described in claim 2, characterized in that, The fan is a DC fan.

10. The electromagnetic shielding box for optical module testing as described in claim 6, characterized in that, The top plate is connected to each side plate by bolts.

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