EP4150721A1 - Abschirmelement und steckverbinder - Google Patents
Abschirmelement und steckverbinderInfo
- Publication number
- EP4150721A1 EP4150721A1 EP20740185.2A EP20740185A EP4150721A1 EP 4150721 A1 EP4150721 A1 EP 4150721A1 EP 20740185 A EP20740185 A EP 20740185A EP 4150721 A1 EP4150721 A1 EP 4150721A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shielding element
- connector
- housing
- hollow cylindrical
- base body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000013011 mating Effects 0.000 claims description 24
- 239000011324 bead Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 230000036961 partial effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
-
- 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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
Definitions
- the invention relates to a shielding element which has a hollow cylindrical base body, which at a first end of the hollow cylindrical base body has internal spring elements for electrical contact with a shield of a mating connector and which is arranged at a second end of the hollow cylindrical base body in an electrically conductive manner with a housing of an electrical assembly is.
- the invention also relates to a connector which is arranged with a mating connector to form a plug connection.
- the invention relates in particular to a shielding element which is arranged in a plug connection which is used to establish electrical connections to assemblies in vehicles. Connections of this type are established both to so-called main units and to so-called auxiliary units in vehicles.
- main units In the field of automotive engineering, a distinction is made between main units and auxiliary units. While a main unit enables a vehicle to move forward, all auxiliary machines of a vehicle that cannot directly cause a vehicle to move are referred to as auxiliary units. Examples of such auxiliary units are a starter, an alternator, an air conditioning compressor, an auxiliary heater, a lubricant pump, a hydraulic pump, a cooling water pump, a fuel pump, a brake booster or an auxiliary power unit.
- auxiliary units are a starter, an alternator, an air conditioning compressor, an auxiliary heater, a lubricant pump, a hydraulic pump, a cooling water pump, a fuel pump, a brake booster or an auxiliary power unit.
- Plug connections of this type are used, for example, for the transmission of an operating voltage, for the transmission of signals for control or regulation of assemblies or for the transmission of status information within a vehicle.
- these electrical connections are designed as detachable connections, which is achieved in the implementation by a plug connection.
- an electrical connection and continuous shielding be provided between a shielding of a cable and a housing of a main or auxiliary unit, such as a generator or an electric motor.
- Plug connections of this type are used in particular in the area of cables or lines in so-called high-voltage on-board networks, which are required, for example, to supply power in hybrid or electric vehicles, with voltages in the range between 300 V and 800 V being used in this high-voltage range.
- shielding measures are necessary, for example to minimize interference in an on-board network operating in the low-voltage range of 12 V or 24 V.
- a shielding element arranged in a plug connection must provide a detachable connection on the one hand, but on the other hand enable a secure, robust electrical connection both to the housing of a main or ancillary unit and to shield the high-voltage cable.
- a safe and robust connection is understood to be an electrical connection which, under normal, rough ambient conditions in a vehicle with vibrations or shocks, is properly maintained over the service life.
- DE 202012000421 U1 discloses a shield connection, a shielded plug connector comprising a housing and the housing having a shield element in its interior for connection to a shielded cable.
- the housing is designed as a housing angled at an angle.
- the task to be solved is to provide a connector that enables an optimal shield connection between the cable and the connector.
- the shield element can be directly connected to a braided shield folded back around a cable by means of a clamping ring having the housing and a shield transfer element for direct connection to the braided shield of the shield is arranged in the housing.
- the object to be solved is that a generic shield contact element is to be improved to the effect that the Functional assembly is improved while maintaining the required shielding effect.
- the spring elements are designed as external spring elements arranged at one end of the hollow cylindrical base body for contacting the electrical device and as internal spring elements arranged at the other end of the hollow cylindrical base body for contacting the shielding of the cable.
- the hollow cylindrical base body has, at one end, a plurality of recesses on the circumferential side, into which the external spring elements are inserted. These recesses make it possible for a partial area of the external spring elements to protrude beyond the outer surface of the hollow cylindrical base body, while the remaining, in particular the adjacent areas of the area of the spring element protruding above the surface are arranged on the base body.
- connections to shields in plug connections both in mating plug connectors such as a plug and in plug connectors such as a socket are known from the prior art.
- a major disadvantage of such known solutions is that several individual parts are required for such shields both in connectors and in mating connectors.
- Such multi-part solutions lead on the one hand to an increased installation effort and thus cause higher installation costs.
- such multi-part solutions are more material-intensive and thus lead to a higher weight per connector.
- the object of the invention now consists in specifying a shielding element and a connector, with which a secure shielding is provided, with which the assembly effort and the assembly costs are reduced and with which material, weight and material costs are saved.
- a shielding element with a hollow cylindrical base body which has spring elements located on the inside at a first end of the hollow cylindrical base body.
- spring elements By means of these spring elements, electrical contact is made with a shield of a mating connector.
- the mating connector usually has an, for example, annular element which is connected to the shielding of the mating connector or which forms the shielding of the mating connector.
- the shielding element is electrically conductively connected by a second end of the hollow cylindrical base body to a housing of an electrical assembly, for example a main or ancillary unit in a vehicle.
- the shielding element has a plurality of tabs at the second end of the hollow-cylindrical base body, which tabs are arranged along the circumference of the hollow-cylindrical base body.
- These tabs had a bend which divides each tab into two sections, for example.
- the first partial section of a tab runs in an extension of the lateral surface of the hollow cylindrical base body, while the second partial section of a tab after the bend protrudes outward at an angle from the hollow cylindrical base body, is arranged radially.
- This angle can be in a range from 60 degrees to 130 degrees and can be 90 degrees, for example. This angle results between a second section of a bracket and the hollow cylindrical base body.
- the bend is arranged directly at the beginning of the tab, i.e. at the transition between the outer surface of the hollow cylindrical base body and the tab itself, and the first section is thus omitted.
- tabs are arranged along the circumference of the hollow cylindrical base body, which are at least partially arranged radially to the longitudinal axis of the hollow cylindrical base body to the outside or away from the longitudinal axis. These tabs have the function of a contact element or a contact spring and establish the electrically conductive connection between the shielding element and a housing of an electrical assembly. It is also provided here that at least some adjacent tabs are arranged at equal distances from one another. Such a regular arrangement of the adjacent tabs is not mandatory and can be interrupted.
- the tabs each have a bead arranged in the area of their bend. These beads, which represent channel-shaped depressions, are preferably each arranged transversely to the longitudinal extension of the curved tabs. These beads form the contact surfaces of the tabs or contact springs, which rest on the housing of the electrical assembly or are brought to rest by a corresponding arrangement of the shielding element.
- the shielding element is arranged in a connector housing surrounding the shielding element.
- plug connections consisting of two parts which have a plug connector and a mating plug connector.
- the shielding element is arranged, for example, in a connector or connector housing firmly connected to the housing of the electrical assembly
- the cable is connected to a mating connector.
- a releasable, electrically conductive connection is established between the power-supplying cable and an electrical consumer arranged in the housing of the electrical assembly.
- Such releasable connections can have means which, for example, engage the mating connector in the Enable connector housing and thus prevent unintentional loosening of this connection.
- a contact carrier is arranged in the shielding element, which is arranged in the connector housing and is surrounded by the latter.
- This contact carrier can, for example, have one, two or more electrical contacts, via which the power transmission between the power-supplying cable and the electrical consumer is ensured.
- the contact carrier can have further contacts which are used, for example, to transmit status signals and / or control signals or which are used to signal a proper and secure connection of the mating connector to the connector.
- the hollow cylindrical base body of the shielding element has means at its first end for positioning the hollow cylindrical base body in the connector housing. These positioning means achieve a desired or prescribed positioning of the shielding element in the connector housing. In addition, the assembly effort is reduced with the corresponding alignment of the shielding element in the connector housing.
- the hollow-cylindrical base body of the shielding element has means at its second end for the non-rotatable positioning of the contact carrier in the hollow-cylindrical base body and / or in the connector housing.
- some tabs are not formed on the base body or are designed with larger distances between two adjacent tabs in the form of gaps.
- the contact carrier is formed with corresponding positioning formations which are positioned in the gaps when the contact carrier is brought together with the hollow cylindrical base body.
- the connector housing also has recesses at the locations of the gaps.
- the unit consisting of connector housing with shielding element and contact carrier is arranged on the housing of the electrical assembly by means of fasteners.
- the arrangement of this unit also referred to as a connector according to the invention, ensures that the tabs, in their function as a contact element or contact spring, rest under pressure on the housing of the electrical assembly or are axially pressed with the housing and permanently establish the electrically conductive connection. Screws or rivets, for example, can be used as fastening means.
- a sealing means is arranged between the connector housing and the housing of the electrical assembly.
- the connector housing has a means for positioning the connector housing on the housing of the electrical assembly.
- This means embodied, for example, as a pin defines the installation position or alignment of the connector housing with respect to the housing of the electrical assembly and enables simple and error-free assembly.
- Fig. 1 a perspective view of the invention
- FIG. 4 an enlarged excerpt of part of that shown in FIG.
- Fig. 5 a perspective view of an inventive
- FIG. 6 a further exemplary embodiment for the tabs of the shielding element according to the invention
- FIG. 7 a further sectional view of the connector housing and the shielding element according to the invention according to FIG. 6.
- FIG. 1 shows a perspective illustration of the shielding element 1 according to the invention.
- This shielding element 1 has a hollow cylindrical base body 2 with a longitudinal axis 3.
- Spring elements 5 are arranged at a first end 4 of the shielding element 1. These inner spring elements 5 are provided for making electrical contact with a shielding of a mating connector which can be connected to a cable, the mating connector and the cable not being shown in FIG.
- the internal spring elements 5 are arranged, for example, in several groups of three spring elements 5 each.
- tabs 7 are arranged. These tabs 7 are spaced apart from one another and are arranged along the circumference of the hollow cylindrical base body 2. The distance between two adjacent tabs 7 can be selected to be the same or different. In the example of FIG. 1, the tabs 7 are arranged in two groups, each with the same spacing from one another in the group. A so-called gap 8 is created between the two groups, that is to say at the points where a greater distance has been selected between two adjacent tabs 7.
- the tabs 7 have cutouts which can lead to a reduction in the weight of the shielding element 1, but are not essential for the present invention.
- the tabs 7 have a bend, as a result of which the tabs 7 protrude at least partially radially outward from a longitudinal axis 3 of the hollow cylindrical base body 2 or are arranged away from the longitudinal axis 3.
- Such a bend can be implemented in a range of, for example, 60 degrees to 130 degrees.
- the bend of the tab 7 can be designed in such a way that the tab 7 is divided into two sections by the bend. As shown in FIG. 1, the first partial section of a tab 7 runs in an extension the outer surface of the hollow cylindrical base body 2.
- the second partial section of a tab 7 after the bend extends at an angle 20 from the hollow cylindrical base body 2 protruding outward or leading away from the longitudinal axis 3.
- the angle 20 is shown at approximately 65 degrees.
- the angle 20 results between the hollow cylindrical base body 2 and the second section of a bracket 7, for example an average value being assumed for the second section of the bracket 7 in the event that it is curved and in particular has a bead 9.
- the bend is arranged directly at the beginning of the tab 7, i.e. at the transition between the outer surface of the hollow cylindrical base body 2 and the tab 7, whereby the first section is omitted. This embodiment is not shown in the figures.
- the tabs 7 In the area of the bend, the tabs 7 have at least one channel-shaped depression or a bead 9, which is arranged transversely to the longitudinal extension of the curved tabs 7. These beads 9 form the bearing surfaces of the tabs 7, which are brought to rest on a housing 14 of an electrical assembly and establish an electrically conductive connection between the shielding element 1 and the housing 14 of the electrical assembly.
- a housing 14 of an electrical assembly Such an electrical assembly and a housing 14 are not shown in FIG.
- FIG. 2 shows a plan view of a connector housing 10 with a shielding element 1 according to the invention.
- the shielding element 1 is arranged in a connector housing 10 which surrounds the shielding element 1 and mechanically fixes it.
- a connector housing 10 can for example have a rectangular flange which is attached by means of corresponding fastening means 11 a housing 14, not shown in FIG. 2, of an electrical assembly is arranged.
- the connector housing 10 with the shielding element 1 is fixed to the housing 14 in such a way that the tabs 7 arranged at the second end 6 of the shielding element 1 are pressed against a surface of the housing 14 and an electrically conductive connection between the shielding element 1 and the housing 14 provide.
- the second partial section of a tab 7 or the bead 9 incorporated in the tab 7 is pressed against a, for example, planar surface on the housing 14.
- Screws or rivets can be used as fastening means 11.
- a contact carrier 12 is arranged in the interior of the shielding element 1.
- the contact carrier 12 has two electrical contacts 13, via which the power transmission between a power-supplying cable and an electrical consumer is ensured.
- the contact carrier 12 can have further contacts, which is not shown in FIG.
- a mating connector not shown, which is connected to the power supply cable, is plugged into the connector housing 10, whereby the electrical contacts 13 are connected to corresponding mating contacts arranged in the mating connector and a current flow via the cable, the mating contacts, the contacts 13 is made possible towards an electrical consumer arranged in the housing.
- FIG. 3 shows a sectional illustration along the section line AA shown in FIG. 2 through the connector housing 10, the shielding element 1 and the contact carrier 12 with its electrical contacts 13.
- the shielding element 1 is arranged in the connector housing 10.
- the spring elements 5 arranged at the first end 4 can also be seen.
- the connector housing 10 is connected by means of the fastening means 11 to a housing 14 of an electrical assembly such as a main or ancillary unit.
- the tabs 7 arranged on the second end 6 of the shielding element 1 are fastened, in particular with their beads 9, pressed against a flat surface of the housing 14.
- annular sealing means 15 is arranged between the housing 14 and the connector housing 10.
- One advantage of such a design of the sealing means 15 is that the tightness depends on the diameter of the opening in the housing 14 and not, as is usual in the prior art, on a pressure force which is generated by the fastening means 11.
- the tightness according to the present invention is retained even if the pressing force is lower, for example if the fastening means 11 decrease in their functionality.
- FIG. 3 is designed as an exemplary schematic diagram and does not show how the electrical contacts 13 are connected to an electrical consumer (not shown) arranged in the housing 14, which of course is absolutely necessary, for example, for a power supply.
- FIG. 4 shows an enlarged excerpt of part of the sectional view shown in FIG.
- the area of the transition between the tabs 7 as contact springs of the shielding element 1 and a surface on the housing 14, which is preferably designed as a flat surface, is shown enlarged in extracts.
- the fastening means 11, the sealing means 15 and the contacts 13 have not been shown.
- the tabs 7, in particular with their beads 9, bear against the housing 14 and enable an electrically conductive connection.
- the embodiment of the tabs 7 with a bead 9 selected in the illustration in FIG. 4 is not mandatory for the present invention. Bending the tabs 7 such that the second section of the tab 7 is angled, for example, at an angle 20 of 90 degrees with respect to the first section, also enables an electrically conductive connection of the tab 7 to the housing 14 to be provided.
- FIG. 5 shows a perspective view of a plug connector 19 according to the invention with the shielding element 1.
- the plug connector 19 shown comprises the plug connector housing 10 with the shielding element 1 and the contact carrier 12.
- a means 16 for positioning or aligning the plug connector 19 during assembly on the housing 14 is arranged on this flange, which means is designed as a pin, for example.
- the shielding element 1 introduced into the connector housing 10 is also shown, only the tabs 7 protruding from the connector 19.
- the conductive tabs 7 are pressed in their function as contact springs against the housing 14 of an electrical assembly (not shown) such as a control unit, a main or ancillary unit in a vehicle, and so on an electrical contact between mating connector and connector for power and / or signal transmission including a ground connection for shielding is ensured, which is robust and tight.
- FIG. 6 shows a further exemplary embodiment of the shielding element 1 according to the invention, in which the tabs 7 are designed in an alternative embodiment. As can be seen in this embodiment, the tabs 7 are designed without a bead 9 and at an angle 20 of approximately 90 degrees.
- the shielding element 1 according to the invention is shown in the configuration according to FIG. 6 in a partial sectional view in a connector housing 10.
- the angle 20 resulting between the hollow cylindrical base body 2 of the shielding element 1 and the second section of a tab 7, which comes to rest on the housing 14, is approximately 90 degrees in this embodiment.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2020/100398 WO2021228294A1 (de) | 2020-05-11 | 2020-05-11 | Abschirmelement und steckverbinder |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4150721A1 true EP4150721A1 (de) | 2023-03-22 |
Family
ID=71614621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20740185.2A Pending EP4150721A1 (de) | 2020-05-11 | 2020-05-11 | Abschirmelement und steckverbinder |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230187873A1 (de) |
EP (1) | EP4150721A1 (de) |
CN (1) | CN115836449A (de) |
WO (1) | WO2021228294A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022209577A1 (de) | 2022-09-13 | 2024-03-14 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | Steckerbaugruppe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH660934A5 (en) * | 1983-02-28 | 1987-05-29 | Feller Ag | Screening casing and an electrical plug assembly equipped therewith, especially an apparatus plug with an interference-protection filter |
US5738544A (en) * | 1996-06-27 | 1998-04-14 | The Whitaker Corporation | Shielded electrical connector |
DE19815488C1 (de) * | 1998-04-07 | 2000-03-09 | Itt Mfg Enterprises Inc | Elektrischer Steckverbinder |
US8147272B2 (en) * | 2010-02-04 | 2012-04-03 | Tyco Electronics Corporation | Header connector assembly |
DE202012000421U1 (de) | 2012-01-17 | 2012-02-15 | Amphenol-Tuchel Electronics Gmbh | Schirmungsanbindung |
WO2016097353A1 (de) | 2014-12-18 | 2016-06-23 | Hirschmann Automotive Gmbh | Steckerträger aus kunststoff am gerät mit metallhülse zwecks abschirmung |
-
2020
- 2020-05-11 US US17/924,572 patent/US20230187873A1/en active Pending
- 2020-05-11 EP EP20740185.2A patent/EP4150721A1/de active Pending
- 2020-05-11 WO PCT/DE2020/100398 patent/WO2021228294A1/de active Search and Examination
- 2020-05-11 CN CN202080100807.6A patent/CN115836449A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20230187873A1 (en) | 2023-06-15 |
WO2021228294A1 (de) | 2021-11-18 |
CN115836449A (zh) | 2023-03-21 |
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