The present invention is directed to electrical termination structures and methods, and especially to electrical termination structures and methods accommodating a plurality of different termination structures.
In the past high power electrical termination structures have been designed to accept one type of connector such as bolted lugs or a quick-connect terminals. A user of such electrical termination structures must choose a connection technology when ordering an end product. Such a requirement for early selection of connection technology can result in a user having to maintain inventory of more than one connection technology, and could result in having to scrap connectors if a user decides to change connector technology. An installer making a connection in the field connection may have to cut off a connector from a cable if the connector is the wrong type so that the installer can put on the correct type of connector. Such an in-field replacement procedure wastes time and material.
A new connection structure is herein disclosed which allows high power connections to be made using high-power quick-connect connectors (requires no tool; completely insulated) or traditional lugs bolted to studs on the same bus bar or other connecting point. The disclosed apparatus eliminates the need to have two bus bars on a product, for example one for quick-connect connectors and another for traditional lugs, in the event the product must be designed to accept both connection methods. The disclosed apparatus presents a single connection structure utilizing dual-use posts that can be shipped to a diverse customer base. The disclosed apparatus also allows customers that may have value high reliability, proven technology and may be slow to adopt new methods the freedom to switch to a new technology at their own pace.
The disclosed apparatus' accommodation of quick-connect terminations advantageously permits easy employment of such new connection technology. High-power quick-connect connectors enable faster connections to be made with less chance for error because they do not require torqued connections. Such quick-connect connectors also uses the same crimp tooling as the terminal lugs that are used to terminate the majority of the power wiring in the telecomm industry today.
The disclosed apparatus' provision of a dual-user post aids in retrofitting a new piece of equipment into an existing application where older cabling may have terminal lug connectors and newer cabling may be outfitted with quick-connect connectors.
There is a need for an apparatus and method for effecting electrical termination that allows a user to choose between the connection technologies in the field rather than having to select during the ordering process. There is a need for an apparatus and method for effecting electrical termination that allows a user to switch seamlessly between various termination technologies without having to abandon inventory of either power systems or connection devices.
There is a need for an apparatus and method for effecting electrical termination that allows a user to mix technologies at a site depending on availability of connectors.
There is a need for an apparatus and method for effecting electrical termination that allows a single power system design to appeal to a broader range of users who are at different stages of their acceptance of newer connector technology.
An apparatus for effecting electrical termination with a plurality of types of termination structures includes: (a) a base member presenting a face in a first direction; and (b) a plurality of electrically conductive connection members extending in the first direction from the face. Each respective connection member of the plurality of connection members presents a rod-shaped post. Each post has a first portion presenting a threaded structure and has a second portion presenting an unthreaded structure.
A method for accommodating electrical termination with a plurality of types of termination structures includes: (a) providing a bus member presenting a face in a first direction; and (b) providing a plurality of electrically conductive connection members extending in the first direction from the face. Each respective connection member of the plurality of connection members presents a rod-shaped post. Each post has a first portion presenting a threaded structure and has a second portion presenting an unthreaded structure.
It is, therefore, a feature of the present invention to provide an apparatus and method for effecting electrical termination that allows a user to choose between the connection technologies in the field rather than having to select during the ordering process.
It is another feature of the present invention to provide an apparatus and method for effecting electrical termination that allows a user to switch seamlessly between various termination technologies without stranding inventory of either power systems or connection devices.
It is still another feature of the present invention to provide an apparatus and method for effecting electrical termination that allows a user to mix technologies at a site depending on availability of connectors.
It is yet another feature of the present invention to provide an apparatus and method for effecting electrical termination that allows a single power system design to appeal to a broader range of users who are at different stages of their acceptance of newer connector technology
Further features of the present invention will be apparent from the following specification and claims when considered in connection with the accompanying drawings, in which like elements are labeled using like reference numerals in the various figures, illustrating the preferred embodiments of the invention.
In the interest of avoiding prolixity and cluttering of
Rod shape in a section substantially perpendicular with a longitudinal axis 66 of respective connection members of plurality of connection members 16 may be of any rod-shape including, by way of example and not by way of limitation, a cross 30, a triangle 32, a hexagon 34, an octagon 36, a square 38, a pentagon 40, a multi-pointed star 42, a circle 44 or an ellipse 46. Distinguishing respective individual connection members 16 by a different rod-shape may be employed to facilitate distinguishing particular electrical characteristics or other characteristics of a circuit (not shown) that may be coupled with a respective connection member 16. Such an arrangement may permit, by way of example and not by way of limitation, having different voltages from different circuitry attachable only to certain connection members 16 according to shape of the rod-shaped post employed with a respective connection member 16. Shape of a rod-shaped post may thus operate to accept a certain termination structure that may accommodate or accept a particular rod shape and reject other termination structures not fitting with the selected rod. Such a discriminatory arrangement among connection members 16 may necessitate segmenting base member 14 into electrically isolated sections (not shown in
Connection members 16 may be arranged in pairs to accommodate termination structures such as termination lugs 50, 52, 54. Lugs may be configured to engage a single connection member 16 (not shown in
Electrical terminations with connection members 16 may also be effected using quick connect terminations such as quick connect terminations 701, 702, 703, 704, 70n. A quick connect termination member may be configured to connect with two posts 20 in a manner similar to lugs 50, 52, 54 (not shown in
Throughout this description, use of a reference numeral using a generic subscript herein may be taken to mean that any respective member of the plurality of elements having the same reference numeral may be regarded as included in the description. Thus, by way of example and not by way of limitation, referring to quick connect termination 70n in describing
Quick connect termination 70n may be of a type having an aperture or channel having an internal wall and containing a deformable member therein. Quick connect termination 70n may be configured to receive second portion 24 of rod-shaped post 20 within the channel, thereby capturing the deformable member between the channel wall and post 20. Quick connect termination 70n, for example, includes a terminal section 88 for crimpingly coupling with an electrical conductor (not shown in
Quick connect termination 70n may be installed on connection post 20 by pushing quick connector termination 70n onto post 20 to forcibly insert second portion 24 within the channel (not shown in
One may note that an advantageous feature of electrical termination apparatus 10 is that a given connection post 20 may accommodate and terminate two different types of electrical termination at the same time. By way of example and not by way of limitation, a post 20 may threadedly secure a lug 50 against face 14, as described above, and leave an exposed portion of second portion 24 available to receive a quick connect termination 70n on the same post 20. This simultaneous installation of two types of connector is not illustrated in
Alternatively, a post 20 may be bored substantially along a longitudinal axis such as axis 66 to establish a receiver aperture (not shown in
Another alternate termination structure 80 is illustrated in
Flexible element 100 has a diameter d1 established by upper band 102 and lower band 104. Element 100 has a second diameter d2 across the minimum expanse of web structure 106 when element 100 is installed within a channel (see
Housing 120 also includes a channel 124. A flexible element such as a crown band element 100 may be flexed to compress element 100 to effect closing flexible juncture 108 to establish a temporary diameter less than the diameter d1 of channel 124. When flexible element 100 is situated in channel 124, compression of element 100 may be relaxed so that element 100 may expand against channel 124 so that diameters of upper band 102 and lower band 104 are substantially equal with inner diameter d1 of channel 124.
When a contact member of an appropriate size (such as a post 20;
d1>d3>d2 [1]
Flexible element 100 responds to being deflected by applying a force against an inserted contact member to retain the inserted contact member within channel 124. Channel 124 intersects terminal section 122 so that an electrical lead fixed within terminal section 122 will be in electrical contact with a contact member captured within channel 124.
Connection member 2161 includes a rod-shaped post 2201 having a having a first portion 2221 and a second portion 2241. First portion 2221 includes a male-threaded structure 2261. An engaging portion 2301 of connection member 2161 is situated to traverse base member 212 when connection member 2161 is in an installed orientation (illustrated in
Connection member 2162 includes a rod-shaped post 2202 having a having a first portion 2222 and a second portion 2242. First portion 2222 includes a male-threaded structure 2262. An engaging portion 2302 of connection member 2162 is situated to traverse base member 212 when connection member 2162 is in an installed orientation (illustrated in
Connection member 2163 includes a rod-shaped post 2203 having a having a first portion 2223 and a second portion 2243. First portion 2223 includes a male-threaded structure 2263. An engaging portion 2303 of connection member 2163 is situated to traverse base member 212 when connection member 2163 is in an installed orientation (illustrated in
Connection member 2164 includes a rod-shaped post 2204 having a having a first portion 2224 and a second portion 2244. First portion 2224 includes a male-threaded structure 2264. An engaging portion 2304 of connection member 2164 is situated to traverse base member 212 when connection member 2164 is in an installed orientation (illustrated in
Connection member 216m includes a rod-shaped post 220m having a having a first portion 222m and a second portion 224m. First portion 222m includes a male-threaded structure 226m. An engaging portion 230m of connection member 216m is situated to traverse base member 212 when connection member 216m is in an installed orientation (illustrated in
Method 300 continues with providing a bus member, as indicated by a block 304. The base member presents a face in a first direction (e.g., upward in
Method 300 continues with providing a plurality of electrically conductive connection members extending in the first direction from the face, as indicated by a block 306. Each respective connection member of the plurality of connection members presents a rod-shaped post. Each post has a first portion presenting a male-threaded structure and has a second portion presenting an unthreaded structure.
Method 300 terminates at an END locus 308.
One may observe that the apparatus and method of the present invention effects electrical termination that allows a user to choose between the connection technologies in the field rather than having to select during the ordering process.
One may also observe that the apparatus and method of the present invention effects electrical termination that allows a user to switch seamlessly between various termination technologies without having to abandon inventory of either power systems or connection devices.
One may further observe that the apparatus and method of the present invention effects electrical termination that allows a user to mix technologies at a site depending on availability of connectors.
One may still further observe that the apparatus and method of the present invention effects electrical termination that allows a single power system design to appeal to a broader range of users who are at different stages of their acceptance of newer connector technology.
It is to be understood that, while the detailed drawings and specific examples given describe preferred embodiments of the invention, they are for the purpose of illustration only, that the apparatus and method of the invention are not limited to the precise details and conditions disclosed and that various changes may be made therein without departing from the spirit of the invention which is defined by the following claims:
This application claims benefit of prior filed copending Provisional Patent Application Ser. No. 61/309,546, filed Mar. 2, 2010.
Number | Date | Country | |
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61309546 | Mar 2010 | US |