WO2016011475A1 - An electrical connector - Google Patents
An electrical connector Download PDFInfo
- Publication number
- WO2016011475A1 WO2016011475A1 PCT/AU2014/001077 AU2014001077W WO2016011475A1 WO 2016011475 A1 WO2016011475 A1 WO 2016011475A1 AU 2014001077 W AU2014001077 W AU 2014001077W WO 2016011475 A1 WO2016011475 A1 WO 2016011475A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- connection component
- electrical connection
- contact assembly
- electrical
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
- H01R13/5045—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together different pieces being assembled by press-fit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Definitions
- the present invention relates to an electrical connector used in high power applications.
- the present invention relates to a connector suitable for using in demanding environments such as the petroleum or mining industry .
- the electrical cables carry powers in the order of several kilowatts and voltages in the order of kilovolts.
- Typical electrical connectors used in the art have a plurality of pins or sockets each connected to a core of an electrical cable. Depending on their specific
- the connectors must comply with a series of requirements often listed in standards and/or regulations.
- high power connectors used in demanding environments such as mining sites are often subject to harsh treatment, and can suffer structural damage which, in severe cases, can interrupt the electrical connections of one or more of the phase connections.
- Damaged connectors should be repaired promptly to avoid affecting the site operation.
- the first step for repairing a connector is to identify where the damage has occurred and then, if possible, replace the damaged component.
- High power connectors in the art do not provide features which allow an efficient inspection of the inner components of the connectors making the identification of the damage a challenging task. Further, even if the damage is
- Embodiments of the present invention aim to provide an electrical connector which facilitates inspection of an internal region of the electrical connector for damage.
- the present invention provides an electrical connection component for a machine cable, the electrical connection component being suitable for transmission of power with voltage levels greater than or equal to 1 kV, the electrical connection component comprising :
- a housing having an internal region, and having a machine cable end and a connection end;
- an electrical contact assembly at least a portion of which is arranged at the connection end of the housing, the electrical contact assembly being arranged for electrically coupling with a further electrical contact assembly of another electrical connection component; and a removable member, disposed at least partially within the housing at the connection end, the removable member being arranged to provide a closure of an end portion of the housing to reduce contamination of the internal region ;
- housing and the removable member are arranged such that at least a portion of the internal region can be inspected when the removable member has been at least partially removed from the housing.
- the housing and the removable member may be arranged such that the at least a portion of the internal region can be inspected when the removable member has been at least partially removed from the housing without having to disconnect components of the electrical contact assembly from a core of the machine cable.
- connection component may be arranged such that all components of the electrical connection component remain in place apart from the removable member when the
- the removable member is removed from the housing.
- the removable member is adapted to receive at least a portion of the electrical contact assembly in a manner such that the electrical contact assembly electrically couples to the further electrical contact assembly, through the removable member, when the connection component is connected with the further
- a portion of the electrical contact assembly may be made accessible for repair or replacement .
- the portion of the electrical contact assembly made accessible for repair or replacement may comprise a connection portion between the electrical contact assembly and a core of the machine cable.
- the electrical contact assembly may comprise at least one tube that is arranged for receiving at an electrical conductor, the tube comprising a first material comprising an insulating material, the first material surrounding a length of the electrical conductor that has been received by the tube, and a second material comprising a conductive material arranged to be electrically couplable to an earth of the machine cable, the second material surrounding the first material substantially along a length of the at least one tube.
- the housing comprises a substantially cylindrically shaped body with an open end at the
- the removable member comprises a substantially cylindrically shaped inspection plug.
- the inspection plug and the housing may be shaped such that the inspection plug form-fits into the housing at the end portion of the housing and around the electrical contact assembly .
- the housing and the inspection plug may comprise of a high density polymeric material.
- the inspection plug comprises a first plug element and a second plug element adapted to form-fit with one other.
- the first plug element may be disposed in proximity to the opening of the housing and the second plug element may be disposed within the internal region of the housing.
- the first and the second plug elements may be independently removable from the housing.
- the electrical connection component further comprises a fastening arrangement for fastening the removable member to the housing.
- the fastening arrangement may comprise a plurality of bolts arranged so as to engage with the removable member through respective bore holes.
- the removable member may be arranged such that it can be removed by pulling the removable member along an axis of the electrical
- connection component may be any appropriate arrangement, and may comprise a hinge arrangement or similar whereby the removeable member may be swung outwardly to reveal the at least a portion of the internal region for inspection while the removeable member is still connected to the housing .
- the present invention provides an electrical connection component for a machine cable, the electrical connection component being suitable for transmission of power with voltage levels greater than or equal to 1 kV, the electrical connection component comprising :
- a cylindrical polymeric housing having an internal region, and having a machine cable end and a connection end,
- an electrical contact assembly comprising at least three electrical pins each having a respective phase tube and earth connection, at least a portion of the electrical contact assembly being arranged at the connection end of the housing and being arranged for electrically coupling with respective contact assemblies of another connection component;
- the present invention provides a method of manufacturing an electrical
- connection component the electrical connection component being in accordance with the first or the second aspect of the present invention, the method comprising the steps of: forming a polymeric housing by injection moulding of a polymeric material;
- the present invention provides a method of repairing an electrical connection component, the electrical connection component being in accordance with the first or the second aspect of the present invention, the method comprising the steps of: removing a removable member from a housing of the connection component;
- Figures 1 is an isometric view of an electrical connection component in accordance with an embodiment of the present invention ;
- FIGS 2 and 3 show different views of internal parts of the electrical connection component of Figure 1;
- Figure 4 shows a flow-chart with a series of method steps for manufacturing an electrical connection component for a machine cable in accordance with an embodiment of the present invention
- Figure 5 shows a flow-chart with a series of method steps for repairing an electrical connection component for a machine cable in accordance with an embodiment of the present invention.
- connection component suitable for high power applications for connecting a machine cable.
- the connection component has a front removable member which, when removed, provides access to the internal region of the connector, allowing a user to identify damage that may have been caused to the internal connections, and to replace damaged parts.
- the electrical connection component 10 for a machine cable 12, which is suitable for transmission of power with voltage levels greater than or equal to 1 kV.
- the electrical connection component has a housing which defines an internal region of the connection component 10.
- the housing is in the form of a substantially cylindrically shaped body 14 defining a receptacle with an opening 15.
- the body 14 comprises a high density polymeric material
- the housing has a machine cable end and a connection end, and incorporates at least a portion of a first contact assembly.
- the first contact assembly comprises three separate electrical conductors 18, each being arranged in a respective phase tube.
- the phase tube comprises a first material comprising an insulating material, the first material surrounding a length of the at least one electrical conductor that has been received by the phase tube, and a second material comprising a conductive material arranged to be
- the first contact assembly allows coupling with a second contact assembly to create an electrical connection.
- the electrical connection component 10 has a removable member, disposed at least partially within the body 14 at the connection side and being arranged to provide a closure of an open portion of the housing 14 to reduce contamination of the internal region.
- the removable member occupies a volume at an end of the body 14 in proximity to the first contact assembly. The presence of the removable member minimises an amount of air in the proximity of the
- each phase tube may have a flame path to minimise the risk of explosion inside the phase tube.
- the flame path is defined by an inner surface of the phase tube which is disposed in proximity to a respective electrical pin.
- the space gap between the electrical pin and the inner surface of the phase tube is sufficiently narrow to minimise the risk of an explosion.
- the removable member is in the form of a substantially cylindrically shaped inspection plug 19.
- the inspection plug 19 form-fits into the body 14 of the housing.
- the plug 19 has three openings to receive the three electrical pins 18, each having a respective phase tube and earth connection element, so that an electrical connection can be created with a coupling electrical connection component when the plug 19 is inserted into the body 14.
- the plug 19 is secured to the body 14 of the housing by three bolts 17 which engage respective threaded holes (not shown) of the body 14.
- the plug 19 can be removed from the body 14 by removing the bolts 17 and sliding the plug 19 out of the opening 15, typically in a direction along an axis of the electrical connection component 10.
- a portion of the internal region of the body 14 is exposed for inspection.
- a user can remove the plug 19 and inspect the internal region of the connection component 10 for damage.
- one or more of the pins 18 or the respective phase tubes may be damaged due to an explosion inside the connector.
- the damaged pin 18 or phase tube can be identified and repaired or replaced after removing the plug 19.
- the body 14 and the plug 19 are arranged such that the portion of the internal region of the body
- the electrical connection component 10 is arranged such that all components of the electrical connection component 10 apart from the plug 19 remain in place when the plug 19 is removed from the housing.
- the plug 19 is arranged such that it can be removed by pulling along an axis of the electrical connection component 10, it will be appreciated that the plug 19 can be fastened by any other appropriate means.
- the plug 19 may be coupled to the body 19 by a hinge arrangement whereby the plug 19 can be swung outwardly to reveal the portion of the internal region of the body 19.
- a user may decide to repair or replace different parts of the first contact assembly depending on the type and amount of damage.
- the plug 19 is provided in the form of two separate plug elements so that a user may conveniently decide to remove one or two plug elements. For example, a user may decide to remove only one plug element to inspect the connector, and both plug elements to repair the connector.
- first plug element 20 and a second plug element 30 there is shown a first plug element 20 and a second plug element 30.
- the plug elements 20 and 30 comprise high density polymeric
- the first plug element 20 is disposed in proximity to the opening of the body 14 and the second plug element 30 is disposed inside the body 14. Both plug elements 20 and 30 can be independently removed from the body 14 after removing the bolts 17.
- the second plug element 30 has a plurality of bosses 32 which engage respective recesses in the first plug element 20 so that the two plug elements 20 and 30 form-fit with one another.
- FIG. 4 there is shown a flow-chart with a series of method steps for manufacturing an electrical connection component for a machine cable in accordance with the embodiment described.
- a polymeric receptacle-like housing is formed by injection moulding of a polymeric material.
- the two polymeric plug elements 20 and 30 are formed in a manner such that they form-fit into an opening of the housing formed in step 405.
- the housing and the plug elements may comprise high density polymers.
- step 415 at least a first contact assembly is fitted to the housing. Further, in step 420, the two polymeric plug elements 20 and 30 are form-fitted to the housing and to the first contact assembly.
- step 505 the first polymeric plug element 20, or both plug elements 20 and 30, are removed from the housing of the connection component.
- step 510 the internal region of the housing is then inspected for damage that may have been caused to at least a first contact assembly disposed at least partially inside the internal region.
- step 515 the damaged first contact assembly is repaired or replaced and, finally, the first polymeric plug element 20, or both plug elements 20 and 30, are refitted to the housing in step 520.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/320,726 US9912093B2 (en) | 2014-07-24 | 2014-11-27 | Electrical connector |
EP14898109.5A EP3172744B1 (en) | 2014-07-24 | 2014-11-27 | Electrical connection component for a machine cable |
CN201480080920.7A CN106575554B (en) | 2014-07-24 | 2014-11-27 | Electrical connector |
ES14898109T ES2759429T3 (en) | 2014-07-24 | 2014-11-27 | Electrical connection component for a machine cable |
NZ727089A NZ727089A (en) | 2014-07-24 | 2014-11-27 | An electrical connector |
AU2014401665A AU2014401665B2 (en) | 2014-07-24 | 2014-11-27 | An electrical connector |
CA2954691A CA2954691C (en) | 2014-07-24 | 2014-11-27 | An electrical connector |
RU2017103731A RU2663878C1 (en) | 2014-07-24 | 2014-11-27 | Electrical connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2014902876 | 2014-07-24 | ||
AU2014902876A AU2014902876A0 (en) | 2014-07-24 | An electrical connector |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016011475A1 true WO2016011475A1 (en) | 2016-01-28 |
Family
ID=55162299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2014/001077 WO2016011475A1 (en) | 2014-07-24 | 2014-11-27 | An electrical connector |
Country Status (9)
Country | Link |
---|---|
US (1) | US9912093B2 (en) |
EP (1) | EP3172744B1 (en) |
CN (1) | CN106575554B (en) |
AU (1) | AU2014401665B2 (en) |
CA (1) | CA2954691C (en) |
ES (1) | ES2759429T3 (en) |
NZ (1) | NZ727089A (en) |
RU (1) | RU2663878C1 (en) |
WO (1) | WO2016011475A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10218119B2 (en) | 2015-09-10 | 2019-02-26 | Connec Limited | Electrical connection system for use in high power applications |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1013637S1 (en) * | 2021-05-12 | 2024-02-06 | Belgravia Wood Limited | Combined electrical and mechanical connector |
USD999172S1 (en) * | 2021-05-12 | 2023-09-19 | Belgravia Wood Limited | Combined electrical and mechanical connector |
USD1012031S1 (en) * | 2021-05-12 | 2024-01-23 | Belgravia Wood Limited | Combined electrical and mechanical connector |
USD1000389S1 (en) * | 2021-05-12 | 2023-10-03 | Belgravia Wood Limited | Combined electrical and mechanical connector |
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- 2014-11-27 WO PCT/AU2014/001077 patent/WO2016011475A1/en active Application Filing
- 2014-11-27 EP EP14898109.5A patent/EP3172744B1/en active Active
- 2014-11-27 AU AU2014401665A patent/AU2014401665B2/en active Active
- 2014-11-27 RU RU2017103731A patent/RU2663878C1/en active
- 2014-11-27 CA CA2954691A patent/CA2954691C/en active Active
- 2014-11-27 US US15/320,726 patent/US9912093B2/en active Active
- 2014-11-27 NZ NZ727089A patent/NZ727089A/en unknown
- 2014-11-27 CN CN201480080920.7A patent/CN106575554B/en active Active
- 2014-11-27 ES ES14898109T patent/ES2759429T3/en active Active
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US4142770A (en) * | 1977-12-27 | 1979-03-06 | Exxon Production Research Company | Subsea electrical connector |
US5503569A (en) * | 1993-10-04 | 1996-04-02 | The Whitaker Corporation | Electrical connector with two stage latch for retaining contacts |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10218119B2 (en) | 2015-09-10 | 2019-02-26 | Connec Limited | Electrical connection system for use in high power applications |
Also Published As
Publication number | Publication date |
---|---|
EP3172744B1 (en) | 2019-11-06 |
AU2014401665A1 (en) | 2016-12-22 |
ES2759429T3 (en) | 2020-05-11 |
CN106575554A (en) | 2017-04-19 |
EP3172744A4 (en) | 2017-06-28 |
US9912093B2 (en) | 2018-03-06 |
RU2663878C1 (en) | 2018-08-13 |
CA2954691A1 (en) | 2016-01-28 |
CN106575554B (en) | 2019-12-31 |
NZ727089A (en) | 2020-05-29 |
CA2954691C (en) | 2023-01-03 |
AU2014401665B2 (en) | 2020-04-09 |
US20170133784A1 (en) | 2017-05-11 |
EP3172744A1 (en) | 2017-05-31 |
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