EP2153496A1 - A mating detection device, a connector and a connector assembly therewith - Google Patents

A mating detection device, a connector and a connector assembly therewith

Info

Publication number
EP2153496A1
EP2153496A1 EP07789914A EP07789914A EP2153496A1 EP 2153496 A1 EP2153496 A1 EP 2153496A1 EP 07789914 A EP07789914 A EP 07789914A EP 07789914 A EP07789914 A EP 07789914A EP 2153496 A1 EP2153496 A1 EP 2153496A1
Authority
EP
European Patent Office
Prior art keywords
connector
detection device
electrical
mating
locking
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.)
Granted
Application number
EP07789914A
Other languages
German (de)
French (fr)
Other versions
EP2153496B1 (en
Inventor
Stéphane BARLERIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delphi International Operations Luxembourg SARL
Original Assignee
FCI SA
Framatome Connectors International SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP2153496A1 publication Critical patent/EP2153496A1/en
Application granted granted Critical
Publication of EP2153496B1 publication Critical patent/EP2153496B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6272—Latching means integral with the housing comprising a single latching arm
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • 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
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H01R13/035—Plated dielectric material
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity

Definitions

  • the present invention relates to mating detection devices for connectors, and connectors comprising such mating detection devices.
  • Some of these assemblies included mechanical means, sometimes with audible markers or with so-called connector position assurance (CPA) elements, that were only able to be mechanically activated until a connector assembly was fully connected, for example by clicking or sliding into place.
  • CPA connector position assurance
  • the present invention has notably for object to provide a simple and more reliable mating detection device.
  • the mating detection device is wholly dependant on the mechanical locking elements of the connector itself.
  • the mating can only be detected after the connectors are mechanically coupled. Therefore it can only indicate a pair of locked connectors if the connectors are mechanically locked, ensuring that the mating detection device cannot indicate a false mating.
  • the whole functionality of mating detection may be found on a single device or on a single connector of the connector pair when the device is applied to a conventional connector
  • Figures Ia to Ic are perspective views of a first embodiment of the mating detection device
  • Figure 2 illustrates an alternate embodiment of the mating detection device
  • Figure 3 illustrates a typical connector known from the prior art
  • FIG. 4 illustrates a known connector fitted with a mating detection device according to an aspect of the invention
  • FIG. 5 is a sectional view along the Y-Z plane of the connector illustrated in figure 4,
  • Figures 6 and 7 illustrate a sectional view of a connector assembly according to an aspect of the invention
  • Figures 8a to 8d illustrate schematically the workings of a connector assembly according to the invention.
  • FIGS. Ia to Ic illustrate perspective views of a mating detection device 1 according to a first embodiment of the invention.
  • the mating detection device 1 is suitable for associating with a conventional connector.
  • the mating detection device 1 comprises a housing 2 presenting a top face 3, a rear face 4, and two lateral legs 5.
  • the housing 2 further defines two front protruding forks 6 defining therebetween a void 6a.
  • the mating detection device further comprises an electrical member 7, disposed in the X-Y plane, which is fitted in a longitudinal direction (Y) through a slot 4a defined in the rear face 4 of the housing 2.
  • This electrical member 7 is for example a printed circuit board, the forward portion of which protrudes freely from the front of the housing and is positioned between the two front forks 6.
  • the electrical member is thus carried on a part which is removably mounted on the housing 2.
  • the electrical member 7 is a Printed Circuit Board conferring a certain resiliency permitting it to flex in the vertical (Z) direction in the void 6a defined between the two forks 6.
  • the first electrical member 7 is an integral surface of the housing 3 of the mating detection device.
  • An electrical mating detection loop 8 is integrated to the electrical member (fig 2), and has a pair of electrical tracks 9 etched on the inner surface 7a of the electrical member 7.
  • the mating detection loop is open when the connector is not mated with a counterpart.
  • the tracks 9 are terminated by open ended terminals 10 to form an open circuit.
  • the terminals 10 are disposed on the forward portion of the electrical member 7 able to flex.
  • the tracks 9 may alternatively be printed on the electrical member 7 using electrically conductive ink, or may constitute metallic tracks adhered to the electrical member 7.
  • a longitudinally extending, resilient, electrically conductive member such as a tongue 11 is fixed by adhesion or overmolding to a bridging portion 12 of the housing 2.
  • the bridging portion 12 extends between the two legs 5 and also supports the inner surface 7a of the board 7.
  • the resilient tongue 11 is positioned so that its enlarged free end 11a of the tongue is adapted to contact both terminals 10 under bending, in such a way as to provide electrical contact from one terminal to the other by intermediary of the tongue 11.
  • the resilient member 11 is made of an electrically conductive material or is made of a non-conductive material, and wherein at least a portion 11a of said resilient member coming into contact with the conductive terminals presents an electrically conductive surface.
  • Figure 2 illustrates an alternate embodiment of the mating detection device 1. The device is illustrated in an exploded representation of a top part 13a rotated by 180° about imaginary axis Xi to be illustrated removed from the bottom part 13b. Analogously to the electrical member 7 protruding freely between the two forks 6 of the housing 2 as illustrated on figures Ia-Ic, the top part 13a incorporates a forwardly protruding lip 13c delimitated by a pair of lateral cutouts 13d. The lip 13c is resilient to movement.
  • the top part 13a presents an inner surface 14 onto which is disposed the mating detection loop 8 and tracks 9.
  • the lip 13c comprises the open-circuited terminals 10.
  • the top part 13a further comprises hooks 15 for cooperating with recesses 16 on the bottom part, thereby forming a unitary device.
  • the bottom part 13b comprises a top surface 18, a pair of lateral legs 5 for associating with a connector, and a resilient tongue 17 formed or molded out of the same material as bottom part 13b and preferably during the same manufacturing operation.
  • the resilient part 13b is preferably, although not necessarily, electrically non- conductive .
  • the end tip 17a of the tongue 17 is coated with a conductive coating such that it may come into contact and bridge terminals 10 in order to close the mating detection loop 8.
  • the mating detection device 1 body may be preferably molded of a synthetic material such as plastic.
  • a resilient tongue 11, 17, is able to be resiliently bent to come into contact with the two terminals 10 of the mating detection loop 8 in order to change the state (open/closed) of the loop 8, thereby signifying a mating state of the connectors.
  • Figure 3 illustrates a perspective view of a typical conventional connector, which may be used in conjunction with the mating detection device 1.
  • the connector 20 comprises a front end 21 for mating with a complementary connector (not shown) , and means for locking 22 the connector 20 to the complementary connector.
  • the locking means or features 22 comprises a pair of resilient lever arms 24 connected together at their extremity with a joining portion (or latch portion) 25 (see Figure 5) designed to cooperate with a lug on a corresponding mating connector.
  • the lever arms 24 are further connected together by a ledge 23 for user activation to lift and release the latch 25 from a locked position.
  • Figures 4 and 5 illustrate the connector 20 fitted with the mating detection device 1.
  • Fixation portions 5a of the legs 5 of the mating detection device cooperate with catches 26 on the connector to be fixed thereon.
  • the electrical member 7, or the protruding lip 13c, of the mating detection device 1 rests on the upper surface of the lever arms 24, a protective cover 27 of the connector covering the void 6a to protect accidental contact with it.
  • Figures 6 and 7 illustrate the above-mentioned connector 20 in a mating position with a complementary connector 30.
  • the connector 30 represents a female-type connector being complementary to connector 20.
  • Connector 30 presents a front end portion 34 sleeve-like fitting over the connecting portion 21 of the connector 20.
  • the connector 30 presents a locking feature such as a lug 31 designed to cooperate with the latch 25 of the locking means 22 of the connector 20, in the locked state of the connector assembly, in a completely conventional manner which would is known to those skilled in the art.
  • Both connectors 20 and 30 are thus deemed to be positively mated, fully mated, or electrically connected together, when the latch 25 latches (falls behind) the corresponding lug 31 of the connector 30.
  • the resilient tongue 11 In this mated position, the resilient tongue 11 is deflected upwardly by, and sits on, the lug 31.
  • the enlarged free end of the tongue 11a is dimensioned such that, in the mated position, it contacts the terminals 10 of the mating detection loop 8.
  • Figures 8a to 8d illustrate schematically the mating operation of a pair of typical, conventional, connectors using a mating detection device according to the present invention.
  • Figure 8a illustrates the step in which the pair of connectors are not yet mated
  • figures 8b and 8c illustrate intermediate mating steps
  • figure 8d illustrates the pair of connectors positively mated with each other.
  • the tongue 11 will eventually, in turn, also be solicited to ride over the lug 31. This is illustrated in figure 8c. In this position, the tongue will be once again returned to its nested position between the latch arms 24, and safely spaced from the electrical member 7 by virtue of the latch arms 24 supporting the electrical member 7, thus preventing the latch arm 11 from contacting it.
  • the latching arms 24 will continue to keep the electrical member 7 upwardly solicited until the latch 25 is able to resiliently fall back such that the latch 25 is longitudinally blocked behind the lug 31 (Fig. 8d) .
  • This position is designed to assuredly correspond to the pair of connectors 20, 30 being positively locked with each other.
  • the latching arms 24 will release the electrical member 7 to fall back towards its rest position, allowing it into contact with the tongue 11. This contact will allow the free end 11a to contact and bridge the terminals 10 of the mating detection loop 8, indicating a state whereby the pair of connectors are fully mated.
  • the loop 8 can be detected as closed with an RFID transceiver, the closing of the circuit signalling under normal circumstances that a pair of connectors (not shown) are securely locked and properly connected.
  • the loop 8 comprises a mating detection circuit 8a.
  • the circuit 8a becomes active and can exchange information with an RFID emission/detection device via the loop 8 working as an antenna.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A connector assembly comprising: - a first connector comprising a first locking feature (22); - a second connector comprising a second locking feature (31) cooperating with the first locking feature (22); a mating detection device (1) adapted to take a first electrical state when the first and second connectors are in a locked state; the mating detection device is mechanically prevented from taking the first state until the first and second locking features (22, 31) lock said first and second connectors together.

Description

A MATING DETECTION DEVICE, A CONNECTOR AND A CONNECTOR ASSEMBLY THEREWITH
FIELD OF THE INVENTION The present invention relates to mating detection devices for connectors, and connectors comprising such mating detection devices.
BACKGROUND OF THE INVENTION
In the past, various connector assemblies have been proposed to verify that connectors were fully mated to one another, as a way of resolving the problem encountered when pairs of connectors that visually appeared to be connected were not .
Some of these assemblies included mechanical means, sometimes with audible markers or with so-called connector position assurance (CPA) elements, that were only able to be mechanically activated until a connector assembly was fully connected, for example by clicking or sliding into place.
Other assemblies have used an electrical circuit present in both of the pair of connectors, such that mating the connectors allows contact of both parts of the circuit, signifying a "lock".
The present invention has notably for object to provide a simple and more reliable mating detection device. SUMMARY OF THE INVENTION
Therefore, according to the present invention, there is provided a mating detection device according to claim 1.
With these features, the mating detection device is wholly dependant on the mechanical locking elements of the connector itself. Thus, the mating can only be detected after the connectors are mechanically coupled. Therefore it can only indicate a pair of locked connectors if the connectors are mechanically locked, ensuring that the mating detection device cannot indicate a false mating.
Furthermore, with these features, the whole functionality of mating detection may be found on a single device or on a single connector of the connector pair when the device is applied to a conventional connector
Lastly, these features permit the present invention to removably associate a mating detection device with traditional connectors to add mating detection functionality to detectors which were not designed with this feature in mind.
In various embodiments of the present invention, one may also find one or more of the following features corresponding to claims 2-18 considered either independently or in combination . BRIEF DESCRIPTION OF THE DRAWINGS
Other characteristics and advantages of the invention will readily appear from the following description of various embodiments, provided as non-limitative examples, and of the accompanying drawings . On the drawings :
Figures Ia to Ic are perspective views of a first embodiment of the mating detection device,
Figure 2 illustrates an alternate embodiment of the mating detection device, - Figure 3 illustrates a typical connector known from the prior art,
- Figure 4 illustrates a known connector fitted with a mating detection device according to an aspect of the invention, - Figure 5 is a sectional view along the Y-Z plane of the connector illustrated in figure 4,
Figures 6 and 7 illustrate a sectional view of a connector assembly according to an aspect of the invention, Figures 8a to 8d illustrate schematically the workings of a connector assembly according to the invention.
On the different Figures, the same reference signs designate like or similar elements, and - Figure 9 illustrates an alternate embodiment of the mating detection device. DETAILED DESCRIPTION
Figures Ia to Ic illustrate perspective views of a mating detection device 1 according to a first embodiment of the invention. The mating detection device 1 is suitable for associating with a conventional connector.
The mating detection device 1 comprises a housing 2 presenting a top face 3, a rear face 4, and two lateral legs 5. The housing 2 further defines two front protruding forks 6 defining therebetween a void 6a.
The mating detection device further comprises an electrical member 7, disposed in the X-Y plane, which is fitted in a longitudinal direction (Y) through a slot 4a defined in the rear face 4 of the housing 2. This electrical member 7 is for example a printed circuit board, the forward portion of which protrudes freely from the front of the housing and is positioned between the two front forks 6. The electrical member is thus carried on a part which is removably mounted on the housing 2. In this example, the electrical member 7 is a Printed Circuit Board conferring a certain resiliency permitting it to flex in the vertical (Z) direction in the void 6a defined between the two forks 6. Alternatively, the first electrical member 7 is an integral surface of the housing 3 of the mating detection device.
An electrical mating detection loop 8 is integrated to the electrical member (fig 2), and has a pair of electrical tracks 9 etched on the inner surface 7a of the electrical member 7. The mating detection loop is open when the connector is not mated with a counterpart. The tracks 9 are terminated by open ended terminals 10 to form an open circuit. The terminals 10 are disposed on the forward portion of the electrical member 7 able to flex.
The tracks 9 may alternatively be printed on the electrical member 7 using electrically conductive ink, or may constitute metallic tracks adhered to the electrical member 7. A longitudinally extending, resilient, electrically conductive member such as a tongue 11 is fixed by adhesion or overmolding to a bridging portion 12 of the housing 2. The bridging portion 12 extends between the two legs 5 and also supports the inner surface 7a of the board 7. The resilient tongue 11 is positioned so that its enlarged free end 11a of the tongue is adapted to contact both terminals 10 under bending, in such a way as to provide electrical contact from one terminal to the other by intermediary of the tongue 11. The resilient member 11 is made of an electrically conductive material or is made of a non-conductive material, and wherein at least a portion 11a of said resilient member coming into contact with the conductive terminals presents an electrically conductive surface. Figure 2 illustrates an alternate embodiment of the mating detection device 1. The device is illustrated in an exploded representation of a top part 13a rotated by 180° about imaginary axis Xi to be illustrated removed from the bottom part 13b. Analogously to the electrical member 7 protruding freely between the two forks 6 of the housing 2 as illustrated on figures Ia-Ic, the top part 13a incorporates a forwardly protruding lip 13c delimitated by a pair of lateral cutouts 13d. The lip 13c is resilient to movement.
The top part 13a presents an inner surface 14 onto which is disposed the mating detection loop 8 and tracks 9. The lip 13c comprises the open-circuited terminals 10. The top part 13a further comprises hooks 15 for cooperating with recesses 16 on the bottom part, thereby forming a unitary device.
The bottom part 13b comprises a top surface 18, a pair of lateral legs 5 for associating with a connector, and a resilient tongue 17 formed or molded out of the same material as bottom part 13b and preferably during the same manufacturing operation. The resilient part 13b is preferably, although not necessarily, electrically non- conductive . The end tip 17a of the tongue 17 is coated with a conductive coating such that it may come into contact and bridge terminals 10 in order to close the mating detection loop 8.
It will be evident for those skilled in the art that the mating detection device 1 body may be preferably molded of a synthetic material such as plastic.
It will be further evident for a person skilled in the art that a resilient tongue 11, 17, is able to be resiliently bent to come into contact with the two terminals 10 of the mating detection loop 8 in order to change the state (open/closed) of the loop 8, thereby signifying a mating state of the connectors.
Figure 3 illustrates a perspective view of a typical conventional connector, which may be used in conjunction with the mating detection device 1.
The connector 20 comprises a front end 21 for mating with a complementary connector (not shown) , and means for locking 22 the connector 20 to the complementary connector. In particular, according to this embodiment, the locking means or features 22 comprises a pair of resilient lever arms 24 connected together at their extremity with a joining portion (or latch portion) 25 (see Figure 5) designed to cooperate with a lug on a corresponding mating connector. The lever arms 24 are further connected together by a ledge 23 for user activation to lift and release the latch 25 from a locked position.
Figures 4 and 5 illustrate the connector 20 fitted with the mating detection device 1.
Fixation portions 5a of the legs 5 of the mating detection device cooperate with catches 26 on the connector to be fixed thereon. In an operational position, the electrical member 7, or the protruding lip 13c, of the mating detection device 1 rests on the upper surface of the lever arms 24, a protective cover 27 of the connector covering the void 6a to protect accidental contact with it.
As Figure 5 more clearly illustrates, thus duly assembled, the tongue 11 of the mating detection device 1 is fitted between the pair of resilient lever arms 24 and before the latch 25. It is thus safely separated from contact with the terminals 10 of the mating detection loop 8.
Figures 6 and 7 illustrate the above-mentioned connector 20 in a mating position with a complementary connector 30. The connector 30 represents a female-type connector being complementary to connector 20. Connector 30 presents a front end portion 34 sleeve-like fitting over the connecting portion 21 of the connector 20.
The connector 30 presents a locking feature such as a lug 31 designed to cooperate with the latch 25 of the locking means 22 of the connector 20, in the locked state of the connector assembly, in a completely conventional manner which would is known to those skilled in the art. Both connectors 20 and 30 are thus deemed to be positively mated, fully mated, or electrically connected together, when the latch 25 latches (falls behind) the corresponding lug 31 of the connector 30. In this mated position, the resilient tongue 11 is deflected upwardly by, and sits on, the lug 31. The enlarged free end of the tongue 11a is dimensioned such that, in the mated position, it contacts the terminals 10 of the mating detection loop 8. In the presently illustrated embodiment, the free end of the tongue 11a is sized and positioned so as to deflect upwardly the electrical member 7, providing greater pressure contact between the tongue 11 and the terminals 10 of the mating detection loop 8 for better connection assurance. Figures 8a to 8d illustrate schematically the mating operation of a pair of typical, conventional, connectors using a mating detection device according to the present invention. Figure 8a illustrates the step in which the pair of connectors are not yet mated, figures 8b and 8c illustrate intermediate mating steps, and figure 8d illustrates the pair of connectors positively mated with each other.
As represented on figure 8a, as the connectors draw closer together, the latch member 25 of the first connector 20 will contact the lug 31 of the second connector 30. As the pair of connectors 20,30 are further urged together (Fig. 8b), the latch member 25 will begin to ride up the lug 31. As a result, the latching arms 24 will solicit the electrical member 7, 13c to bend. The electrical member 7 is further separated from the tongue 11, which is not bent at this stage. The mating detection loop is thus prevented from falsely indicating a mating of the connectors.
As the pair of connectors 20, 30 continue the mating operation, the tongue 11 will eventually, in turn, also be solicited to ride over the lug 31. This is illustrated in figure 8c. In this position, the tongue will be once again returned to its nested position between the latch arms 24, and safely spaced from the electrical member 7 by virtue of the latch arms 24 supporting the electrical member 7, thus preventing the latch arm 11 from contacting it.
The latching arms 24 will continue to keep the electrical member 7 upwardly solicited until the latch 25 is able to resiliently fall back such that the latch 25 is longitudinally blocked behind the lug 31 (Fig. 8d) . This position is designed to assuredly correspond to the pair of connectors 20, 30 being positively locked with each other.
Furthermore, in this position, the latching arms 24 will release the electrical member 7 to fall back towards its rest position, allowing it into contact with the tongue 11. This contact will allow the free end 11a to contact and bridge the terminals 10 of the mating detection loop 8, indicating a state whereby the pair of connectors are fully mated.
When the tongue 11 comes in contact with, and bridges the two terminals 10, the loop 8 can be detected as closed with an RFID transceiver, the closing of the circuit signalling under normal circumstances that a pair of connectors (not shown) are securely locked and properly connected. According to another embodiment, illustrated on Figure 9, the loop 8 comprises a mating detection circuit 8a. When, the loop 8 is closed as explained above, the circuit 8a becomes active and can exchange information with an RFID emission/detection device via the loop 8 working as an antenna.
While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims . In particular, although the present embodiment illustrate a separate mating detection device affixed to a conventional connector, those skilled in the art will understand that a connector may be designed and manufactured to incorporate the following teachings in a unitary connector.

Claims

1. A mating detection device for a first electrical connector, the first connector having a first locking feature (22) designed to come into locking relation with a second locking feature (31) of a second connector when said first and second connectors mate, said mating detection device comprising a mating detection loop (8) for detecting a mated state of said first and second connectors, comprising, a first electrical member (7), and a resilient member (11) for electrically cooperating with said first electrical member for selectively opening or closing said mating detection loop only when the first locking feature (22) is in locking relation with the second locking feature (31).
2. A mating detection device according to claim 1 wherein the resilient member (11) is urged against the first electrical member (7) when the first locking feature (22) is in locking relation with the second locking feature (31) .
3. A mating detection device according to claim 1 or 2, wherein the first electrical member (7) is a resilient member displaceable by said second connector upon mating of said first and second connectors.
4. A mating detector device according to any preceding claim, wherein: - the first electrical member (7) constitutes a resilient support comprising conductive terminals (9) forming an open circuit, said conductive terminals being connected to circuitry (8) reacting to when said conductive terminals form a closed circuit, and wherein the resilient member (11) is disposed to electrically contact said conductive terminals such that said conductive terminals form a closed circuit upon contact.
5. A mating detection device according to any preceding claim, comprising a first part carrying the first electrical member (7), a second part (3) carrying the resilient member
(11), wherein said first and second parts are removably attached to each other.
6. An electrical connector (20) comprising a housing and a first locking feature (23) for latching with a corresponding second locking feature (31) of a second connector designed to mate with said connector, said connector further comprising a mating detection device according to any one of the preceding claims for detecting the locked state of said connector with said second connector.
7. A connector according to claim 6, wherein the first locking feature (22) is a resilient arm, wherein the first electrical member (7) is resilient, wherein the resilient arm (24) is adapted to cooperate with the resilient first electrical member (7) so as to displace it away from said resilient member (11) upon mating of the connector with the second connector.
8. A connector according to claim 6 or 7 wherein the resilient member (11) is adapted to be displaced by said second connector toward said first electrical member upon mating of the connector with the second connector.
9. A connector according to any of claims 6 to 8, wherein the first locking feature (22) contacts the first electrical member (7), and surrounds the resilient member (11) thus preventing said resilient member from contacting said first electrical member in an unmated state of the connectors.
10. A connector according to any of claims 6 to 9, wherein the resilient member (11) is mechanically prevented from cooperating with the first electrical member (7) until the first connector is in a locked state with the second connector .
11. A connector according to any of claims 6 to 10, wherein the mating detection device is removably fitted (5a, 26) on said housing.
12. A connector according to any of claims 6 to 11, wherein the mating detection device is integrally formed with said housing .
13. An electrical connector assembly comprising a first connector according to any of claims 6 to 12 and a second connector comprising a second locking feature (31), said first and second connector designed to mate with one another, the first and second locking features coming into locking relation when said connectors mate.
14. A connector assembly according to claim 13, wherein said second locking feature (31) is dimensioned to actuate the first locking feature (22) and the first electrical member (7) away from the resilient member (11) when the first and second connectors are in an unlocked state, and to actuate the resilient member (11) toward the first electrical member (7) when said first and second connectors are in a locked state .
15. A connector assembly comprising: - a first connector comprising a first locking feature (22) for locking said connector with a second connector ; a second connector comprising a second locking feature (31) cooperating with said first locking feature to lock said first and second connectors together in a locked state of the connector assembly ; a mating detection device (1) adapted to take a first electrical state when said first and second connectors are in a locked state with one another; wherein said mating detection device (1) is mechanically prevented from taking said first electrical state until said first and second locking features lock said first and second connectors together.
16. A connector assembly according to claim 15, wherein said mating detection device is prevented to take said first electrical state by mechanical cooperation with at least one of said first and second locking features (22, 31) .
17. A connector assembly according to claim 15 or 16, wherein, in the locked state of the connector assembly, at least one of said first and second locking features (22, 31) mechanically cooperates with said mating detection device (1) to urge it into its first electrical state.
18. A connector for a connector assembly according to any of claims 15 to 17, comprising said first locking means (22) and said mating detection device (1).
EP07789914.4A 2007-05-24 2007-05-24 A mating detection device, a connector and a connector assembly therewith Active EP2153496B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2007/052717 WO2008142490A1 (en) 2007-05-24 2007-05-24 A mating detection device, a connector and a connector assembly therewith

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EP2153496A1 true EP2153496A1 (en) 2010-02-17
EP2153496B1 EP2153496B1 (en) 2017-08-02

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EP (1) EP2153496B1 (en)
CN (1) CN101682147B (en)
WO (1) WO2008142490A1 (en)

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Also Published As

Publication number Publication date
EP2153496B1 (en) 2017-08-02
CN101682147A (en) 2010-03-24
WO2008142490A1 (en) 2008-11-27
CN101682147B (en) 2012-11-28

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