Testing device
The present disclosure relates to a testing device comprising a bracket including a first groove and a second groove parallel to each other, wherein the first groove and the second groove run through an inner surface of the bracket perpendicularly to a thickness direction of the testing device; a plate assembly including a first plate and a second plate parallel to each other, wherein the first plate is disposed within the first groove and fits closely within the first groove along a length direction and a thickness direction of the testing device, the second plate is disposed within the second groove, with a gap present in the second groove along a length direction and/or a thickness direction of the testing device; a connector array including a plurality of connector assemblies disposed on the plate assembly in a predetermined pattern, wherein each of the plurality of connector assemblies is connected between the first plate and the second plate; and a displacing tool disposed on the bracket and/or the plate assembly and configured to displace the second plate relative to the first plate within the second groove along a length direction and/or a thickness direction of the testing device. The testing device may simulate various different axial deviations and/or angular deviations of the opposed printed circuit boards, and may be used to test the performance parameters such as low PIM, return loss and insertion loss between the printed circuit boards and the connectors under different axial deviations and/or angular deviations.
1. A testing device, the testing device comprising:
a bracket including a first groove and a second groove parallel to each other, wherein the first groove and the second groove run through an inner surface of the bracket perpendicularly to a thickness direction of the testing device;
a plate assembly including a first plate and a second plate parallel to each other, wherein at least one edge of the first plate is received within the first groove and fits closely within the first groove along a length direction and a thickness direction of the testing device, and at least one edge of the second plate is received within the second groove, with a gap present between the at least one edge of the second plate and the second groove along a length direction and/or a thickness direction of the testing device;
a connector array including a plurality of connector assemblies disposed on the plate assembly in a predetermined pattern, wherein each of the plurality of connector assemblies is connected between the first plate and the second plate; and
a displacing tool disposed on the bracket and/or the plate assembly and configured to displace the second plate relative to the first plate within the second groove along a length direction and/or a thickness direction of the testing device.
2. The testing device according to claim 1 , characterized in that the displacing tool includes first threaded members extending along a thickness direction of the testing device, wherein the first threaded member is disposed on the first plate and the second plate, and configured to adjust a position of the second plate relative to the first plate along a thickness direction of the testing device.
3. The testing device according to claim 2 , characterized in that the first threaded member has a head located outside the first plate, a stem passing through the first plate, and a tip resting against an inner surface of the second plate.
4. The testing device according to claim 2 , characterized in that the first threaded members are disposed at four corners of the first plate and the second plate.
5. The testing device according to claim 1 , characterized in that the bracket is generally U-shaped, and includes a base, and parallel arms projecting from both ends of the base.
6. The testing device according to claim 5 , characterized in that the displacing tool includes second threaded members extending along a length direction of the testing device, wherein the second threaded member is provided to pass through one of the arms, and configured to adjust a position of the second plate relative to the first plate along a length direction of the testing device.
7. The testing device according to claim 5 , characterized in that the second threaded member has a head located outside the arm, a stem passing through the arm, and a tip resting against a lateral surface of the second plate.
8. The testing device according to claim 6 , characterized in that the positions of the second threaded members on the two arms are mirror images of each other.
9. The testing device according to claim 1 , characterized in that the displacing tool includes a first group of pin holes disposed on the first plate and the second plate, a second group of pin holes disposed on the first plate and the second plate, and pins capable of inserting into the first group of pin holes and the second group of pin holes, wherein the first group of pin holes and the second group of pin holes and the pins are configured to adjust a position of the second plate relative to the first plate along a length direction of the testing device.
10. The testing device according to claim 9 , characterized in that the positions of the first group of pin holes on the first plate and on the second plate along a length direction of the testing device are aligned with each other, and the positions of the second group of pin holes on the first plate and on the second plate along a length direction of the testing device deviate from each other.
11. The testing device according to claim 1 , characterized in that the first plate and the second plate have substantially the same size and shape.
12. The testing device according to claim 1 , characterized in that the plate assembly includes a sleeve disposed between the first plate and the second plate, wherein the sleeve is configured to maintain that the first plate and the second plate in a spaced apart relationship from each other.
13. The testing device according to claim 12 , characterized in that the plate assembly further includes one or more connection bolts, which connect the second plate to the first plate and press the first plate and the second plate against both ends of the sleeve.
14. The testing device according to claim 13 , characterized in that the connection bolts are positioned at the center of the first plate and the second plate.
15. The testing device according to claim 12 , characterized in that a wedge is disposed in a gap between the second groove of the bracket and the second plate, to press the first plate and the second plate against both ends of the sleeve.
16. The testing device according to claim 5 , characterized in that a third threaded member which is disposed on an arm and extends in a thickness direction of the testing device, has a head located outside the arm, a stem passing through a portion of the arm and a tip resting against an outer surface of the second plate.
17. The testing device according to claim 1 , characterized in that the connector assembly includes a connector and a first adapter and a second adapter that are connected to both ends of the connector.
18. The testing device according to claim 17 , characterized in that the first adapter is fixed on the first plate, and has one port disposed outside of the first plate and the other port opposite thereto disposed inside of the first plate.
19. The testing device according to claim 17 , characterized in that the second adapter is fixed on the second plate, and has one port disposed outside of the second plate, and the other port opposite thereto disposed inside of the second plate.
20. A testing device, the testing device comprising:
a bracket including a first groove and a second groove parallel to each other, wherein the first groove and the second groove run through an inner surface of the bracket perpendicularly to a thickness direction of the testing device;
a plate assembly including a first plate and a second plate parallel to each other, wherein at least one edge of the first plate is received within the first groove and fits closely within the first groove along a length direction and a thickness direction of the testing device, and at least one edge of the second plate is received within the second groove, with a gap present between the at least one edge of the second plate and the second groove along a length direction and/or a thickness direction of the testing device;
a connector array including a plurality of connector assemblies disposed on the plate assembly in a predetermined pattern, wherein each of the plurality of connector assemblies is connected between the first plate and the second plate;
a first displacing tool disposed on the bracket configured to displace the second plate relative to the first plate within the second groove along a length direction of the testing device; and
a second displacing tool disposed on the plate assembly configured to displace the second plate relative to the first plate within the second groove along a thickness direction of the testing device.