The present disclosure generally relates to interfacing plugs and receptacles and, more particularly, to interfacing plugs and receptacles configured to be coupled relative to only two electrical contacts.
Advances are made every day in relation to the way power and data are delivered to consumers. One current advancement provides for the delivery of power and data over a single twisted wire pair, e.g., power over Ethernet (PoE). A plug and receptacle configuration to enable the delivery of power and data over a single twisted pair is needed.
A first aspect of the disclosure is directed to a plug that includes a body portion as well as first and second electrical strip contacts. The body portion has a length, an upper surface and a lower surface. The first electrical strip contact is proximate the upper surface of the body portion and has a length substantially equal to or less than the length of the body portion. The second electrical strip contact is proximate the lower surface of the body portion and has a length substantially equal to or less than the length of the body portion. The noted embodiment is exemplary providing reference to upper and lower surfaces, however, any orientation of surfaces or sides, e.g., upper/lower, lower/upper, left/right, right/left, first/second, second/first, opposing, etc., is considered to be included in the disclosure.
Another aspect of the disclosure is directed to a system comprising the plug and a receptacle. The receptacle includes a housing as well as a first and second electrical strip contacts. The housing has an interior receiving cavity that is configured to receive the plug. The interior receiving cavity is defined by a length, an upper surface and a lower surface. The first electrical strip contact is proximate the upper surface of the interior receiving cavity and has a length substantially equal to or less than the length of the interior receiving cavity. The second electrical strip contact is proximate the lower surface of the interior receiving cavity and has a length substantially equal to or less than the length of the interior receiving cavity. Upon insertion of the plug into the interior receiving cavity, the first electrical strip contact of the plug is electrically coupled to the first electrical strip contact of the interior receiving cavity and the second electrical strip contact of the plug is electrically coupled to the second electrical strip contact of the interior receiving cavity. The noted embodiment is exemplary providing reference to upper and lower surfaces, however, any orientation of surfaces or sides, e.g., upper/lower, lower/upper, left/right, right/left, first/second, second/first, opposing, etc., is considered to be included in the disclosure.
The above summary is not intended to describe each embodiment or every implementation. A more complete understanding will become apparent and appreciated by referring to the following detailed description and claims in conjunction with the accompanying drawings.
The figures are not necessarily to scale. Like numbers used in the figures refer to like components. However, it will be understood that the use of a number to refer to a component in a given figure is not intended to limit the component in another figure labeled with the same number.
The present disclosure is directed to interfacing plugs and receptacles that are configured to be coupled to external components relative to two electrical contacts. Such external components may include, for example, a two wire cable comprising a single twisted or non-twisted wire pair, a two-contact circuit board, a two-contact LED light bulb, a two-contact room application sensor (e.g., environment as temperature, humidity, motion, photodetector, etc.), two contact machine applications sensors (e.g., flow, pressure temperature, vibration, force), a two contact network camera, a two-contact wireless access point, any power over Ethernet (PoE) device that is to be powered by PoE using a single twisted-pair gigabit Ethernet system, etc.
While the above-described example embodiment of the plug 100 has been described with reference to
Referring now to
In the instance where the plug 100 incorporates a base portion 104 that is of a larger perimeter than the body 102, the interior receiving cavity 162 is provided with a receiving face 165 that is configured to abut the base portion 104 of the plug 100 upon substantially complete insertion of the body 102 of the plug 100 within the interior receiving cavity 162. The housing body 152 of the receptacle 150 is additionally configured with an opening 166 opposite the interior receiving cavity 162; the back receiving wall 164 separates the opening 166 from the interior receiving cavity 162. The upper and lower faces 154, 156, within the interior receiving cavity 162, are provided with strip contacts 168, 170, respectively to directly interface and establish electric and/or magnetic coupling with the strip contacts 130 and 132 of the plug 100 when inserted within the receptacle 150. The strip contacts 168, 170 are configured to be electrically and/or magnetically coupled to a two-wire cable or other two-contact device that is inserted through the opening 166 and terminated therein through known termination methods ((e.g., insulation displacement connection (IDC), piercing contact, contact crimp, etc.). As such, the opening 166 may be configured to accommodate a specific size cable, e.g., cable 171, or device, or, alternatively, may be configured to accommodate a number of various sized cables or devices for termination.
As with plug 100, the strip contacts 168, 170 of the receptacle 150 may be positioned in opposite one another on the first and second side walls 158, 160 within the interior receiving cavity 162 rather than opposite one another via the upper and lower faces 154, 156 within the interior receiving cavity 162; or they may, alternatively, be positioned on proximate face/side pairs within the interior receiving cavity 162. Regardless, the strip contacts 168, 170 of the receptacle 150 are positioned within the interior receiving cavity 162 to directly interface with the strip contacts 130, 132 of the plug 100. Further, as with the plug 100, the strip contacts of the receptacle 150 may alternatively be replaced with other types of contacts, for example, button contacts, rivet contacts, tip contacts, etc. Alternatively, the strip contacts may be replaced, for example, by a printed circuit board (PCB) having a copper trace on each side, e.g., the traces acting as the contacts. In another example embodiment, one or more of the strip contacts 130, 132, 168, 170 of the plug 100 and receptacle 150, respectively, may be crowned convexly such that the crowning of the strip contact may be deflected upon the plug 100 being inserted into the receptacle to establish a stronger interface between the pairs of contacts (e.g., 130/168, 132/170).
The plug 100 and the receptacle 150 may be made of the same, similar or different materials. The material is generally a non-conductive material that is conducive to molding. Such materials include, for example, plastics and polymers (e.g., ABS, urea-formaldehyde, etc.).
The reception and retainment of the plug within the receptacle described above may be enhanced through use of a latching system. One example of a latching system 280 is illustrated in the plug 200 and receptacle 250 embodiments of
The latching system 280 generally comprises a fixed beam latch latching system wherein the receptacle 250 incorporates a fixed beam 282 that is centrally positioned within each of the side walls 258, 260, respectively. Each of the fixed beams 282 has a first end 284 and a second end 286 supported by the side walls 258, 260, such that maximum deflection of each of the beams 282 is provided in the center of the beam 282. Within the interior receiving cavity 262, each of the fixed beams 282 is provided with a rounded protrusion 288 configured to operate as a latch retaining feature; the protrusion 288 may be unitary to the fixed beam 282 or an independent element secured to the fixed beam 282. Further, each of the fixed beams 282 may, themselves, be unitary with the side walls 258, 260 or may be independent elements secured to the side walls 258, 260.
In the latching system 280, each of the first and second side walls 210, 212 of the plug 200 incorporates a receiving cavity 290. In the embodiment of
Another example of a latching system 380 is illustrated in the plug 300 and receptacle 350 embodiments of
The latching system 380 generally comprises a cantilevered beam latch latching system wherein each of the side walls 358, 360 of the receptacle 350 incorporates a cantilevered beam 382. Each of the cantilevered beams 382 is supported at a first end 384 by the side walls 358, 360 while a second end 386 of each of the cantilevered beams 382 is free or unsupported. Accordingly, the maximum deflection of the cantilevered beam is provided at the free, second end 386. Each of the cantilevered beams 382 incorporates a rounded protrusion 388 that is configured to operate as a latch retaining feature. The protrusion 388 may be unitary to the cantilevered beam 382 or an independent element secured to the cantilevered beam 382. Further, each of the cantilevered beams 382 may, themselves, be unitary with the side walls 358, 360 at the secured first end 384, or may be independent elements secured to the side walls 358, 360 at the secured first end 384.
In the latching system 380, each of the first and second side walls 310, 312 of the plug 300 incorporates a receiving cavity 390. In the embodiment of
Another example of a latching system 480 is illustrated in the plug 400 and receptacle 450 embodiments of
The latching system 480 generally comprises a spring-loaded plunger latching system wherein each of the side walls 458, 460, within the interior receiving cavity 462 of the receptacle 450, incorporates a recess 482 having a narrowed neck portion 484. The recess 482 is configured to house a spring 486 and contain the movement of a rounded protrusion 488, whose movement towards the interior receiving cavity 462 is encouraged by the tension within the spring 486. A flange 489 extends outward from the rounded protrusion 488 and operates to limit the travel of the protrusion by abutting the narrowed neck portion 484 of the recess 482 at full extension. The protrusion 488 and the spring 486 together form a plunger latch 487 which operates as a latch retaining feature.
In the latching system 480, each of the first and second side walls 410, 412 of the plug 400 incorporates a receiving cavity 490. In the embodiments of
Various other features and configurations may be incorporated into and/or realized by the plug and receptacle of the present disclosure. For example, with reference to
The plugs and receptacles of the present disclosure may be configured for various applications beyond those described above. For example,
The latching system 1180 is configured to operate in conjunction with a plug 1100 having first and second side walls 1110, 1112 each of which incorporate a receiving cavity 1190. In the embodiment of
In the latching system 1280, each of first and second side walls 1210, 1212 of a plug 1200 incorporates a receiving cavity 1290 that may span a portion or a full height of the side walls 1210, 1212. Each of the receiving cavities 1290 is configured to mechanically interface with the latch retaining feature, e.g., the rounded protrusion 1288, of the elongate wall structure 1287. When the plug 1200 is inserted into the receptacle 1250, with some insertion force, each of the cantilevered beams 1282 deflects outward, e.g., towards the side walls 1258, 1260, until the plug 1200 is fully in position. Once the plug 1200 is in position, mechanical and electrical contact is established between strip contacts (not shown, see other example embodiments) of the plug 1200 and the receptacle 1250. Further, each of the deflected cantilevered beams 1182 is returned to its original, un-deflected position. Accordingly, a connected plug 1200 and receptacle 1250 requires a pull out force to separate and undo the internal latching that has occurred between the protrusions 1288 and the receiving cavities 1290.
In reference to the various plug and receptacle embodiments above, each may be used in various configurations such as plug-to-cable or plug-with-device (e.g. a PoE device), and receptacle/jack-to-cable or receptacle-to-PCB connectivity network system for applications such as unshielded and shielded communication networks, PoE communication networks, or DC power only networks (e.g., LED lighting systems). Further, a one-pair gigabit Ethernet connectivity network system including the plug and receptacle embodiments described above can have an overlay of intelligent connectivity management for the physical layer of the network (e.g., CPID, RFID, 9th wire, and ImVision) to identify and detect the presence of a plug inserted into a mating receptacle/jack and to maintain accurate connectivity records (monitor and document).
Further the various plug and receptacle embodiments described herein are particularly suited to interfacing with the electrical and/or communication networks, or infrastructure, of a building, e.g. home, office building, commercial building, industrial building, etc. In this context, the plug and/or receptacles can be wall-, ceiling-, or floor-mounted, e.g., through use of a face plate or outlet box, or can be device mounted provide power, data, or both power and data to the device.
It should be noted that the above described embodiments are exemplary providing reference to upper and lower surfaces, first and second sides, forward and rearward ends, etc. however, any orientation of surfaces or sides, e.g., upper/lower, lower/upper, left/right, right/left, first/second, second/first, opposing, etc., is considered to be included in the disclosure.
Systems, devices or methods disclosed herein may include one or more of the features structures, methods, or combination thereof described herein. For example, a device or method may be implemented to include one or more of the features and/or processes above. It is intended that such device or method need not include all of the features and/or processes described herein, but may be implemented to include selected features and/or processes that provide useful structures and/or functionality.
Various modifications and additions can be made to the disclosed embodiments discussed above. Accordingly, the scope of the present disclosure should not be limited by the particular embodiments described above, but should be defined only by the claims set forth below and equivalents thereof.
Number | Date | Country | Kind |
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1610050 | Jun 2016 | GB | national |
This application is a National Stage of PCT/US2017/020756, filed on Mar. 3, 2017, which claims the benefit of U.S. Patent Application No. 62/303,959, filed on Mar. 4, 2016, and claims the benefit of Great Britain Patent Application No. 1610050.5, filed on Jun. 8, 2016, the disclosures of which are incorporated herein by reference in their entireties. To the extent appropriate, a claim of priority is made to each of the above disclosed applications.
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PCT/US2017/020756 | 3/3/2017 | WO |
Publishing Document | Publishing Date | Country | Kind |
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WO2017/152108 | 9/8/2017 | WO | A |
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