Connector engagement sensing mechanism

• US 10,845,548 B2
• Filed: 06/24/2019
• Issued: 11/24/2020
• Est. Priority Date: 07/01/2015
• Status: Active Grant

• Current Assignee: Go!Foton Holdings, Inc.
• Original Assignee: Go!Foton Holdings, Inc.
• Inventors: Takeuchi, Kenichiro, Lu, Haiguang, Ng, Chi Kong Paul
• Primary Examiner(s): Peace, Rhonda S
• Application Number:
  US16/449,841
• Publication Number:
  US 20190310428A1
• Time in Patent Office: 519 Days
• CPC Class Codes: G02B 6/3821 with axial spring biasing or loading means G02B6/3847 takes precedence
• CPC Class Codes: G02B 6/3825 with an intermediate part, e.g. adapter, receptacle, linking two plugs
• CPC Class Codes: G02B 6/385 Accessories for testing or observation of connectors means for centering or aligning the light guide within the ferrule with auxiliary facilities for movably aligning or adjusting the fibre within its ferrule, measuring position, eccentricity G02B6/3843; mechanical features associated with the optical testing of optical fibres G01M11/088
• CPC Class Codes: G02B 6/3888 Protection from over-extension or over-compression
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on
• CPC Class Codes: G02B 6/3895 identification of connection, e.g. right plug to the right socket or full engagement of the mating parts keying element on the plug or adapter G02B6/3831; keying element on the ferrule G02B6/3851; keying element for electrical connection H01R13/64
• CPC Class Codes: H01R 13/6272 comprising a single latching arm
• CPC Class Codes: H01R 13/641 by indicating incorrect coupling; by indicating correct or full engagement
• CPC Class Codes: H01R 25/003 the coupling part being secured only to wires or cables
• CPC Class Codes: H01R 31/065 with built-in electric apparatus

Abstract

A connector assembly includes an adapter, a housing device, a ferrule assembly, and a sensor. The housing device is received by the adapter and has a bore, a front end, and a rear end opposite the front end. A ferrule of the ferrule assembly is within the bore of the housing device and has a mating end extending beyond the front end of the housing device. The sensor is mounted on the rear end of the housing, the rear end of the ferrule assembly, or on the adapter confronting and spaced apart from the housing device or the ferrule assembly. The sensor is configured for detecting a force applied by the housing device or the ferrule assembly, respectively. An electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device or the ferrule assembly, respectively.

Claims

1. A connector assembly comprising:

an adapter including a first adapter wall;

a housing device including a housing receivable by the adapter and having a bore, the housing device further including a front end, a rear end opposite the front end, and a first housing wall such that when the first housing wall is received in the adapter and is on an inner side of the first adapter wall, movement of the first housing wall is limited by the first adapter wall;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing device;

a sensor mounted on the housing device or mounted on the adapter such that the sensor confronts the housing device, the sensor being configured for detecting a force applied by the housing device or being configured for detecting translation of the housing device,

wherein an electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device when the sensor is configured for detecting a force applied by the housing device or changes to indicate a translation of the housing device to a predetermined position when the sensor is configured for detecting translation of the housing device,

wherein the adapter includes a second adapter wall opposing the first adapter wall, and wherein the first housing wall is between the first and the second adapter walls when the first housing wall is received in the adapter and is on the inner side of the first adapter wall,

wherein the housing device includes a second housing wall opposite the first housing wall,

wherein when the first housing wall is received in the adapter and is on the inner side of the first adapter wall, the first housing wall faces the first adapter wall to define a first distance therebetween and the second housing wall faces the second adapter wall to define a second distance therebetween, and

wherein the sum of the first and the second distances is greater than zero.

2. The connector assembly of claim 1, wherein the first housing wall is movable when the first housing wall is received in the adapter and is on the inner side of the first adapter wall.

3. The connector assembly of claim 1, wherein the first distance is a first clearance defined by a peak of the first housing wall and a peak of the first adapter wall, wherein the second distance is a second clearance defined by a peak of the second housing wall and a peak of the second adapter wall, and wherein the sum of the first and the second clearances is at least 0.1 mm.

4. The connector assembly of claim 1, wherein the first housing wall is defined by a step of a lever of an LC connector, and wherein the first adapter wall is a portion of a hole extending through or a portion of a cavity extending within the adapter such that the step of the lever is received in the hole or the cavity extending within the adapter when the first housing wall is received in the adapter.

5. The connector assembly of claim 1, wherein the adapter includes a base plate and the sensor is mounted on the base plate.

6. The connector assembly of claim 1, wherein the sensor is outside the adapter such that the sensor is exposed.

7. A connector assembly comprising:

an adapter including a first adapter wall, a base plate, and a post extending from the base plate;

a housing device including a housing receivable by the adapter and having a bore, the housing device further including a front end, a rear end opposite the front end, and a first housing wall such that when the first housing wall is received in the adapter and is on an inner side of the first adapter wall, movement of the first housing wall is limited by the first adapter wall;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing device;

a sensor mounted on the rear end of the housing device or mounted on the post of the adapter such that the sensor confronts the housing device, the sensor being configured for detecting a force applied by the housing device,

wherein an electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device, and

wherein the sensor is in abutment with the post when the sensor is mounted on the rear end of the housing device and detects the force applied by the rear end of the housing device or the sensor is in abutment with the rear end of the housing device when the sensor is mounted on the post and detects the force applied by the rear end of the housing device.

8. A connector assembly comprising:

an adapter including a first adapter wall;

a housing device including a housing receivable by the adapter and having a bore, the housing device further including a front end, a rear end opposite the front end, and a first housing wall such that when the first housing wall is received in the adapter and is on an inner side of the first adapter wall, movement of the first housing wall is limited by the first adapter wall;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing device;

a sensor mounted on the housing device or mounted on the adapter such that the sensor confronts the housing device, the sensor being configured for detecting a force applied by the housing device,

wherein an electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device, and

wherein the ferrule device is a ferrule assembly including an inner ferrule portion and an outer ferrule portion attached to the inner ferrule portion.

9. An optical assembly comprising:

a connector assembly comprising;

an adapter including a first adapter wall;

a housing device including a housing receivable by the adapter and having a bore, the housing device further including a front end, a rear end opposite the front end, and a first housing wall such that when the first housing wall is received in the adapter and is on an inner side of the first adapter wall, movement of the first housing wall is limited by the first adapter wall;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing device;

a sensor mounted on the housing device or mounted on the adapter such that the sensor confronts the housing device, the sensor being configured for detecting a force applied by the housing device, wherein an electrical characteristic of the sensor changes to indicate a predetermined force has been applied by the housing device; and

a connector receivable by the adapter, wherein the electrical characteristic of the sensor changes to indicate that the connector has applied a sufficient force against the ferrule of the connector assembly.

10. The optical assembly of claim 9, wherein the connector comprises:

a second housing device including a second housing defining a second bore; and

a second ferrule device including a second ferrule at least partially within the second bore,

wherein the ferrule of the connector assembly and the second ferrule are in contact when the sensor detects the force applied by the housing device.

11. The optical assembly of claim 10, wherein the second ferrule is translatable within the second bore of the second housing such that the second ferrule contacts the ferrule of the connector assembly when the connector is received by the adapter to a predetermined depth, and wherein the electrical characteristic of the sensor changes to indicate that the second ferrule has applied a sufficient force against the ferrule of the connector assembly.

12. The optical assembly of claim 9, wherein the electrical characteristic of the sensor is different when the connector has not applied the sufficient force against the ferrule of the connector assembly than when the sensor has applied the sufficient force against the ferrule of the connector assembly.

13. The optical assembly of claim 9, wherein the electrical characteristic of the sensor changes to indicate that the connector is received by the adapter to a predetermined depth.

14. The optical assembly of claim 13, wherein the electrical characteristic of the sensor is different when the connector is not received at the predetermined depth than when the sensor is received to the predetermined depth.

15. An optical assembly comprising:

A connector assembly comprising;

an adapter including a first adapter wall;

a housing device including a housing receivable by the adapter and having a bore, the housing device further including a front end, a rear end opposite the front end, and a first housing wall such that when the first housing wall is received in the adapter and is on an inner side of the first adapter wall, movement of the first housing wall is limited by the first adapter wall;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing device;

a sensor mounted on the housing device or mounted on the adapter such that the sensor confronts the housing device, the sensor being configured for detecting translation of the housing device, wherein an electrical characteristic of the sensor changes to indicate translation of the housing device to a predetermined position; and

a connector receivable by the adapter,

wherein the electrical characteristic of the sensor changes to indicate that the connector is received by the adapter, and

wherein the electrical characteristic of the sensor changes to indicate that the connector has applied a sufficient force against the ferrule of the connector assembly.

16. The optical assembly of claim 15, wherein the connector comprises:

a second housing device including a second housing defining a second bore; and

a second ferrule device including a second ferrule at least partially within the second bore,

wherein the ferrule of the connector assembly and the second ferrule are in contact when the sensor detects the force applied by the housing device.

17. The optical assembly of claim 16, wherein the second ferrule is translatable within the second bore of the second housing such that the second ferrule contacts the ferrule of the connector assembly when the connector is received by the adapter to a predetermined depth, and wherein the electrical characteristic of the sensor changes to indicate that the second ferrule has applied a sufficient force against the ferrule of the connector assembly.

18. The optical assembly of claim 15, wherein the electrical characteristic of the sensor is different when the connector has not applied the sufficient force against the ferrule of the connector assembly than when the sensor has applied the sufficient force against the ferrule of the connector assembly.

19. The optical assembly of claim 15, wherein the electrical characteristic of the sensor changes to indicate that the connector is received by the adapter to a predetermined depth.

20. The optical assembly of claim 19, wherein the electrical characteristic of the sensor is different when the connector is not received at the predetermined depth than when the sensor is received to the predetermined depth.

21. A connector assembly comprising:

an adapter;

a housing device including a housing receivable by the adapter and having a bore, a front end, and a rear end opposite the front end;

a ferrule device including a ferrule at least partially within the bore of the housing and having a mating end extendable beyond the front end of the housing;

a sensor mounted on the ferrule device or on the adapter device, the sensor including a probe and being configured for detecting either one or both of (i) a force applied by the rear end of the ferrule device and (ii) translation of the ferrule device, wherein the probe is aligned with the ferrule device such that the ferrule device is in contact with the probe when the sensor detects the respective one of the force applied by the ferrule device or translation of the ferrule device,

wherein an electrical characteristic of the sensor changes to indicate (i) a predetermined force has been applied by the ferrule device when the sensor is configured for detecting a force applied by the ferrule device or (ii) a translation of the ferrule device to a predetermined position when the sensor is configured for detecting translation of the ferrule device.

22. The connector assembly of claim 21, wherein the electrical characteristic of the sensor changes to indicate that the connector has applied a sufficient force against the ferrule of the connector assembly.

23. The connector assembly of claim 21, wherein the adapter includes a base plate and the sensor is mounted on the base plate.

24. The connector assembly of claim 21, wherein the adapter includes a base plate and a post extending from the base plate such that the sensor is in abutment with the post when the sensor detects the respective one of the force applied by the rear end of the ferrule device or the translation of the ferrule device.

25. The connector assembly of claim 21, wherein the probe extends within the bore of the housing.

26. The connector assembly of claim 21, wherein the sensor is outside the adapter such that the sensor is exposed.

27. The connector assembly of claim 21, wherein the ferrule device comprises a ferrule assembly including an inner ferrule portion and an outer ferrule portion attached to the inner ferrule portion.

28. The connector assembly of claim 27, wherein the probe is in contact with the inner ferrule portion when the sensor detects the respective one of the force applied by the rear end of the ferrule device or translation of the ferrule device.