WO2000003458A1 - Connecteur pour appareil electromenager - Google Patents
Connecteur pour appareil electromenager Download PDFInfo
- Publication number
- WO2000003458A1 WO2000003458A1 PCT/FR1999/001667 FR9901667W WO0003458A1 WO 2000003458 A1 WO2000003458 A1 WO 2000003458A1 FR 9901667 W FR9901667 W FR 9901667W WO 0003458 A1 WO0003458 A1 WO 0003458A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connector
- terminal
- intermediate member
- plug
- contact zone
- 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.)
- Ceased
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
- H01R13/66—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
- H01R13/7036—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 the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
Definitions
- the present invention relates to a connector for a household appliance comprising a housing capable of being connected to an electrical power supply and a removable part comprising an electrical circuit
- the present invention relates more particularly but not exclusively to a connector for an electrical cooking appliance comprising a removable tank comprising a shielded heating element arranged under its lower face.
- the present invention also relates to a household appliance comprising a connector
- the male part of the removable connection is simply formed by the terminals of the heating element These terminals cooperate with a female part fixed in the base of the device
- This female part comprises contact blades, connected to the circuit power supply of the device Electric arcs are likely to be created when connecting or disconnecting the tank between the terminals of the element heater and the contact blades.
- the construction adopted on the fryers is delicate on the point of geometric precision, due to the use of the terminals of the heating element as the male part of the connector.
- the method of manufacturing shielded heating elements induces dispersions in tube length, therefore in the distance between centers of the output terminals, and dispersions concerning the coaxiality of the outputs with respect to the outer tube.
- the object of the present invention is to provide an enduring and economical electrical connection between an electrical plug of a removable part of a household appliance and a female electrical connector arranged in a casing of this appliance.
- a female electrical connector for a household appliance capable of receiving a male electrical plug mounted on a removable part of the appliance, comprising a terminal provided to be connected to the electrical power supply of the appliance, and a member intermediate elastically deformable and/or movable against an elastic means, said member having on the one hand a first contact zone provided to cooperate with the male plug at the start of engagement, on the other hand a second contact zone provided to cooperate with the terminal during the subsequent engagement of the male plug, the two contact zones being electrically connected, the second contact zone and the terminal being coated with a conductive material resistant to electric arcs, in which the terminal is elastically deformable and / Or is movably mounted against an elastic means.
- the intermediate member Before inserting the plug into the connector, the intermediate member is not energized.
- a first mechanical contact occurs between the plug and the intermediate member.
- Continued insertion of the plug into the connector causes said member to deform or move until the coated area of this member comes into contact with the coated area of the terminal. Thanks to the mobile and/or deformable nature of the terminal with which the intermediate member comes into contact, it is possible to dispense with precise height positioning of the plug relative to the connector.
- the contact When removing the plug from the connector, the contact is first broken between the terminal and the intermediate member, then between the plug and the intermediate member when the latter is no longer live. Electric arcs between unprotected parts are avoided and it is not necessary to cover the appliance plug with an arc-resistant material. This arrangement also makes it possible to envisage an easier deposition of the material resistant to electric arcs or else to use this material in a smaller quantity.
- the area of the first contact zone is at least three times greater than that of the second contact zone. This arrangement makes it possible to dispense with precise lateral positioning of the plug relative to the connector.
- the intermediate member is a flexible metal strip.
- this flexible strip has an extended attachment zone after bending by a flexible end on which the coating of material resistant to electric arcs is placed, these arrangements simplifying the construction of the connector.
- the terminal and the intermediate member consist of two metal strips of the same geometry, this construction making it possible to reduce the investment costs.
- the intermediate member is movable against a spring.
- the conductive material resistant to electric arcs is silver-based.
- the object of the invention is also achieved with a household appliance comprising a housing capable of being connected to an electrical power supply and a removable part comprising a male plug, comprising a female connector of the aforementioned type.
- the male plug capable of cooperating with the intermediate member of the connector belongs to a shielded heating element.
- the connector according to the invention is particularly interesting in such a device.
- shielded heating elements have significant dimensional tolerances due to their manufacture, not to mention the phenomena of thermal expansion.
- FIG. 1 is a view in longitudinal section of a first embodiment of a connector according to the invention
- Figure 2 is a longitudinal sectional view of an alternative embodiment of the connector shown in Figure 1
- - Figures 3 and 4 are top views of tabs belonging to the connector shown in Figure 2
- Figure 5 is a schematic view in longitudinal section of a second embodiment of a connector according to the invention.
- Figure 6 is a schematic view in longitudinal section of a third embodiment of a connector according to the invention.
- the invention relates to a female electrical connector for a household appliance.
- This description and the figures each refer to a connector 2; 32; 82 provided to receive a male electrical plug 3; 33; 83.
- the male electrical plug 3; 33; 83 is mounted on a removable part 16; 46; 86 of the device.
- Connector 2; 32; 82 has at least one terminal 21; 51; 91 designed to be connected to the power supply of the device.
- the connector according to the invention shown in the figures comprises an intermediate member 20; 50; 90 elastically deformable and / or movable against an elastic means, said member having on the one hand a first contact zone 22; 52; 92 provided to cooperate with the male plug 3; 33; 83 at the start of engagement, on the other hand a second contact zone 23; 53; 93 provided to cooperate with the terminal 21; 51; 91 during the subsequent engagement of the male plug 3; 33; 83, the two contact zones 22, 23; 52, 53; 92, 93 being electrically connected, the second contact zone 23; 53; 93 and terminal 21; 51; 91 being coated with a conductive material resistant to electric arcs 6, 7; 36, 37; 76, 77.
- the area of the first contact zone 22; 52; 92 is at least three times greater than that of the second contact zone 23; 53; 93.
- Figure 1 shows a first embodiment in which the connector 2 is mounted in a housing 12 belonging to an electric cooking appliance such as a fryer.
- the apparatus comprises a removable part 16 formed by a removable tank 13 under which is fixed a shielded heating element 1.
- the casing 12 is capable of being connected to an electrical power supply.
- the heating element 1 is terminated by the male plug 3 capable of cooperating with the intermediate member 20 of the connector 2.
- the connector 2 comprises a cover 9 comprising an opening 10 capable of receiving the plug 3 belonging to the heating element 1.
- the intermediate member 20 of the connector 2 is a flexible metal strip 4.
- This strip has an attachment zone 4b extended after folding 14 by a flexible end 4a on which the coating of material is placed. resistant to electric arcs 6.
- the fixing zone 4b is extended after a second folding 24 by a free end 4c.
- the terminal 21 of the connector 2 is advantageously constituted by a metal strip 5 of the same geometry as the strip 4 forming the intermediate member 20.
- the terminal 21 is elastically deformable.
- the blade 5 has a fixing zone 5b extended after a folding 15 by a flexible end 5a on which the coating of material resistant to electric arcs 7 is placed.
- the fixing zone 5b is extended after a second folding 25 by a free end 5c .
- the facing faces of the flexible ends 4a, 5a carry the coating 6, 7.
- the blades 4 and 5 are obtained from flat parts having identical cutouts, but the free ends 4a and 5a of which are then folded in a different way. Furthermore, the free end 4a of the blade 4 is coated with silver to improve the electrical contact with the male plug (not shown in Figure 2) inserted into the connector 2.
- the thickness of the silver coating is for example a few ⁇ m.
- the free end 4a of the blade 4 comprises a silver rivet 16, the silver lower surface of which in the form of a spherical cap forms the coating of material resistant to electric arcs 6.
- the free end 5a of the blade 5 also comprises a silver rivet 17, whose silver lower surface in the form of a spherical cap forms the coating of material resistant to electric arcs 7.
- the thickness of the coatings 6 and 7 of the rivets 16 and 17 is much greater, for example of the order of a few tenths of a mm.
- the rivet 16 is mounted in a hole 18 provided on the blade 4 and the rivet 19 is mounted in a hole 19 provided on the blade 15.
- the holes 18 and 19 are present on each of the blades 4 and 5.
- the rivets 16 and 17 are not aligned but are slightly offset, so as to remain in contact during the deformation of the blades 4 and 5.
- Figure 5 shows a second embodiment in which the connector 32 is mounted in a housing 42 capable of being connected to an electrical power supply.
- This box forms a base 44 designed to receive a removable part 46 of an electrical device.
- This wireless electrical appliance may for example be a kettle or an iron.
- the removable part 46 comprises a plug 33, connected to the electrical circuit of the device, and capable of cooperating with the intermediate member 50 of the connector 32.
- the intermediate member 50 is a rigid metal tongue 60 mounted on a hinge 61, and movable against a spring 55.
- the terminal 51 is mounted movable against an elastic means formed by a spring 56.
- the parts opposite the tongue 60 and the terminal 51 carry the coating 36, 37 resistant to electric arcs.
- the spring 56 mounted between the base 42 and the terminal 51 has greater stiffness than the spring 55 mounted between the terminal 51 and the intermediate member 50, so as to promote electrical contact between the terminal 51 and the intermediate member 50 .
- Figure 6 shows a third embodiment in which the connector 82 is mounted in a housing 72 capable of being connected to an electrical power supply.
- This box forms a base 74 designed to receive a removable part 86 of an electrical device.
- This wireless electrical appliance may for example be a kettle or an iron.
- the removable part 86 comprises a plug 83, connected to the electrical circuit of the device, and capable of cooperating with the intermediate member 90 of the connector 82.
- the intermediate member 90 is a cup 94 whose upper face forms the first contact zone 92 and the lower face carries a rod 95 on the end of which is deposited the coating of material resistant to electric arcs 76 to form the second zone. contact 93.
- the cup 94 is movably mounted on a spring 96.
- the terminal 91 is movably mounted against an elastic means formed by a spring 99.
- the area of the terminal 91 facing the end of the rod 95 carries the coating 77 resistant to electric arcs.
- Spring 99 is mounted between terminal 91 and housing 72.
- Spring 96 is mounted between intermediate member 90 and housing 72.
- the conductive material resistant to electric arcs 6, 7; 36, 37; 76, 77 is for example based on silver.
- the invention functions and is used in the following manner.
- the connector according to the invention may comprise several intermediate members each associated with a terminal and each provided to cooperate with an electrical plug mounted on a removable part of the device.
- the phase when the phase is connected to a determined terminal, it is not necessary to provide for the neutral an intermediate member associated with a terminal, in particular if the connection of the phase is made after the connection of the neutral.
- the connection with the phase can be made on the end 5c of the tongue 5 cooperating with the tongue 4, while the connection with the neutral or the earth will be made on the end 4c of another tab 4.
- the connector will be designed so that the earth connection occurs first, followed by the neutral connection, followed by the phase connection.
- the invention finds its application in the technical field of household appliances comprising a removable part associated with an electrical supply base.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Cookers (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU46259/99A AU4625999A (en) | 1998-07-09 | 1999-07-08 | Connector for electric household appliance |
| CA002302823A CA2302823A1 (fr) | 1998-07-09 | 1999-07-08 | Connecteur pour appareil electromenager |
| JP2000559617A JP2002520788A (ja) | 1998-07-09 | 1999-07-08 | 家庭電気機器用コネクタ |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9809005A FR2781093B1 (fr) | 1998-07-09 | 1998-07-09 | Connecteur pour appareil electromenager |
| FR98/09005 | 1998-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000003458A1 true WO2000003458A1 (fr) | 2000-01-20 |
Family
ID=9528612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1999/001667 Ceased WO2000003458A1 (fr) | 1998-07-09 | 1999-07-08 | Connecteur pour appareil electromenager |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2002520788A (fr) |
| AU (1) | AU4625999A (fr) |
| CA (1) | CA2302823A1 (fr) |
| FR (1) | FR2781093B1 (fr) |
| WO (1) | WO2000003458A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10756470B2 (en) | 2010-12-17 | 2020-08-25 | BSH Hausgeräte GmbH | Connecting element, household appliance having such a connecting element, and insert module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623307A (en) * | 1947-04-28 | 1949-05-16 | John Henry Walter Lewis | Improvements in and relating to electrical connectors of the plug and socket type |
| US4707042A (en) * | 1985-02-05 | 1987-11-17 | D.H. Haden Limited | Electrical socket apparatus |
| US4812623A (en) * | 1985-02-05 | 1989-03-14 | D. H. Haden Limited | Electrical apparatus |
-
1998
- 1998-07-09 FR FR9809005A patent/FR2781093B1/fr not_active Expired - Fee Related
-
1999
- 1999-07-08 AU AU46259/99A patent/AU4625999A/en not_active Abandoned
- 1999-07-08 JP JP2000559617A patent/JP2002520788A/ja active Pending
- 1999-07-08 WO PCT/FR1999/001667 patent/WO2000003458A1/fr not_active Ceased
- 1999-07-08 CA CA002302823A patent/CA2302823A1/fr not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623307A (en) * | 1947-04-28 | 1949-05-16 | John Henry Walter Lewis | Improvements in and relating to electrical connectors of the plug and socket type |
| US4707042A (en) * | 1985-02-05 | 1987-11-17 | D.H. Haden Limited | Electrical socket apparatus |
| US4812623A (en) * | 1985-02-05 | 1989-03-14 | D. H. Haden Limited | Electrical apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10756470B2 (en) | 2010-12-17 | 2020-08-25 | BSH Hausgeräte GmbH | Connecting element, household appliance having such a connecting element, and insert module |
Also Published As
| Publication number | Publication date |
|---|---|
| AU4625999A (en) | 2000-02-01 |
| FR2781093B1 (fr) | 2000-08-25 |
| CA2302823A1 (fr) | 2000-01-20 |
| JP2002520788A (ja) | 2002-07-09 |
| FR2781093A1 (fr) | 2000-01-14 |
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