WO2004013937A1 - Plug coupling for electrical devices and charger comprising said plug coupling - Google Patents
Plug coupling for electrical devices and charger comprising said plug coupling Download PDFInfo
- Publication number
- WO2004013937A1 WO2004013937A1 PCT/AT2003/000225 AT0300225W WO2004013937A1 WO 2004013937 A1 WO2004013937 A1 WO 2004013937A1 AT 0300225 W AT0300225 W AT 0300225W WO 2004013937 A1 WO2004013937 A1 WO 2004013937A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plug
- power plug
- contact elements
- guide web
- housing
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
Definitions
- the invention relates to a plug coupling, in particular a power plug changing system, for electrical devices, in particular for a charger, in which an exchangeable power plug, which can be fastened to the housing, is arranged, wherein at least one projecting guide web with contact elements is arranged on the housing and the Mains plug with contact elements has at least one correspondingly corresponding cavity for receiving the guide bar.
- the invention relates to a charger for electrical devices, in particular rechargeable batteries, in which an exchangeable mains plug which can be fastened to the housing is arranged, at least one guide web with contact elements being arranged on the housing and the mains plug having at least one corresponding corresponding cavity for receiving the guide web.
- DE 43 22 087 C2 discloses a plug-in power supply for supplying electrical equipment with a low voltage, the housing of which is provided with a power plug and a printed circuit board, and which has the electronic components for generating a low voltage for the power supply of an electrical device which can be connected via a connecting cable , Furthermore, the plug-in power supply is connected by an interchangeably attachable power plug or adapter which is designed according to different country standards, the contact elements arranged in the power plug or adapter coming into direct contact with the circuit board of the device.
- the disadvantage here is that a corresponding change must be made to the housing for such a design of a plug coupling, since the contact elements must be contacted directly with the printed circuit board in the housing and thus this type of plug coupling cannot be used for every housing or device.
- the US 5 998 964 A relates to a charger consisting of a housing and attached contacts, on which various power plugs can be arranged.
- a guide bar is arranged on the housing of the charger, via which the power plug can be pushed on.
- the power plugs have latching elements which snap into corresponding grooves on the guide web of the housing and lock the power plug on the housing. Apart from the fact that these locking elements cause the power plug to be inadequately held on the housing and thus an unintentional detachment of the power plug from the housing, for example when the charger is pulled out of the socket, can occur, the production of the locking connection on the power plug is complex.
- the invention is based on the object of providing a plug coupling, in particular a mains plug changing system, for electrical devices, and a charger for electrical devices, in particular batteries, which can be produced simply and inexpensively.
- This object of the invention is achieved in that a recess is arranged on the guide web and a corresponding pin engages in the recess and / or a recess is arranged on the power plug and a corresponding pin engages in the recess on the guide web, so that a corresponding pin is arranged Movement of the power plug relative to the housing a fixation of the power plug to the housing can be established with a connection of the contact elements of the power plug to the contact elements of the guide bar. It is advantageous here that the structurally predetermined shape of the power plug does not have to be changed and the cavity on the power plug is integrated into the housing of the power plug and is not, as is known from the prior art, molded onto the housing of the power plug.
- the movement of the power plug against the Housing for connecting the power plug to the housing or for releasing the power plug from the housing can take place by a longitudinal movement of the power plug in the direction of the guide bar and / or a transverse movement of the power plug relative to the guide bar and / or a rotary movement of the power plug relative to the guide bar.
- a longitudinal movement of the power plug in the direction of the guide bar and / or a transverse movement of the power plug relative to the guide bar and / or a rotary movement of the power plug relative to the guide bar Through the wells or the like. and pin or the like. A defined position or positioning of the power plug is achieved on the guide bar and thus a safe electrical contact is formed between the power plug and the guide bar on the housing.
- the arrangement of projections and corresponding grooves for receiving the projections on the guide web and / or power plug prevents the power plug from being lifted or disengaged when it is pulled out of the socket in a simple form.
- the contact elements are arranged on both sides of the guide bar or are integrated directly in the guide bar, the contact elements can be easily integrated on the guide bar.
- two mirror-image guide bars can be arranged on the housing, which are positioned parallel to each other.
- a stepped or reduced-length extension is arranged on the guide web, in which the contact elements are integrated and a further diminished width is arranged in the cavity of the power plug, into which the extension of the guide web or the contact elements can be inserted, can be prevented from touching the contact elements arranged in the recess on the power plug.
- contact elements protrude beyond the guide web and one or more depressions with contact elements arranged therein are provided in the cavity of the power plug.
- the power plug is designed as a two- or three-pin power plug and a corresponding number of contact elements on Mains plug and are arranged on the guide bar, a plug coupling can be realized with a mains plug with or without a protective conductor.
- a cable in particular an extension cable
- the cable can be used depending on the country by using the corresponding power plug. This means that different extension cables do not have to be manufactured for the different countries.
- the object of the invention is also achieved by a charger mentioned at the outset, in which an above-described plug coupling is provided. It is advantageous here that the charger can pivot the coupling means or guide web by up to 90 °.
- Figure 1 is a plan view of a power plug with the coupling means according to the invention, in a simplified, schematic representation.
- FIG. 2 shows a side view of the power plug with the coupling means according to the invention according to FIG. 1;
- FIGS. 1 and 2 shows a front view of the power plug according to FIGS. 1 and 2;
- Figure 4 is a plan view of the coupling means for a housing with the coupling means according to the invention, in a simplified, schematic representation.
- FIG. 5 shows a side view of the coupling means according to FIG. 4;
- FIG. 6 shows a front view of the coupling means according to FIG. 4;
- Fig. 7 is a diagrammatic representation of the plug coupling, in particular the power plug changing system, with the lifting Power plug, in a simplified, schematic representation;
- FIG. 8 shows a diagrammatic representation of the plug coupling according to FIG. 7;
- FIG. 9 shows a diagrammatic representation of the plug coupling according to FIG. 7 with the mains plug fitted and engaged
- FIG. 10 shows a diagrammatic representation of the plug coupling, in particular the power plug changing system, with different power plugs, in a simplified, schematic front view;
- FIG. 11 shows a further diagrammatic representation of the plug coupling, in particular the power plug changing system, with different power plugs, in a simplified, schematic side view.
- a plug coupling in particular a mains plug changing system 1, for electrical devices 2, this being illustrated by means of a charger 3 for rechargeable batteries.
- an exchangeable power plug 5 which can be fastened to the housing 4 and is designed according to any country standard, is arranged, that is to say that a power plug 5 is connected to the housing 4 of the electrical device 2 in accordance with the most varied of socket systems
- a coupling means 6 with contact elements 7 is arranged on the housing 4.
- the power plug 5 also has a corresponding corresponding coupling means 8 with contact elements 9.
- the contact elements 7 of the housing 4 are connected via lines, cables, contact pins, contact springs, etc.
- the coupling means 6 on the housing 4 is now formed by a guide web 10
- the coupling means 8 on the power plug 5 is formed by a cavity 11, that is to say that on the housing 4 for receiving the power plug 5 at least one projecting or outstanding guide web 10 or a guide receptacle is arranged, the power plug 5 having the cavity 11 for receiving the guide bar 10 or the guide receptacle.
- the guide web 10, the housing 4 can be inserted into the cavity 11 of the power plug 5.
- a recess 12, recess or indentation is arranged on the guide web 10, into which at least one corresponding pin 13 or the like of the power plug 5 can be latched or latched, ie the pin 13 due to a movement or displacement of the power plug 5 or the housing 4 is moved into the recess 12 or recess and thus a secure hold of the power plug 5 is achieved on the housing 4, which can only be solved deliberately with increased effort.
- the recess 12 or recess it is possible for the recess 12 or recess to be arranged on the adapter, in which the corresponding pin 13, which is now molded onto the guide web 10, can be latched or clicked into place. It is also possible for a depression 12 and a pin 13 to be arranged both on the guide web 10 and in the cavity 11.
- the guide web 10 has a projection 14 for guiding the power plug 5, the power plug 5 having a corresponding groove 15 for receiving the projection 14, thereby preventing the power plug 5 from being lifted out of the socket. So that the plug-in direction of the mains plug 5 does not have to be observed, two such grooves 15 are arranged in the cavity 11 of the mains plug 5.
- the groove 15 it is also possible here for the groove 15 to be provided on the guide web 10, with the corresponding Appropriate projection 14 for guiding or fixing in the groove 15 of the guide web 10 is arranged.
- contact elements 9 in the power plug 5 in the exemplary embodiment shown, a stepped extension 16 or a reduced width is arranged on the guide web 10, in which the contact pins or contact elements 7 are integrated are.
- a further recess 17 with a reduced width into which the extension 16 of the guide web 10 or the contact pins can be inserted in order to prevent or contact the contact elements 9 arranged in the recess 17 exclude the contact of the contact elements 9 with the fingers.
- extension 16 and the additional depression 17 are dimensioned or designed in terms of their width and height such that, for example, children when the mains plug 5 is plugged into the socket without a connected device 2, not by penetrating the cavity with their fingers can touch the contact elements 9 arranged therein.
- Such security protection can also be achieved elsewhere by the contact pins or contact springs 7 projecting beyond the guide web 10, one or more recesses 17 being arranged in the cavity 11, in which the contact elements 9, in particular contact surfaces, are arranged.
- the recess 17 in the cavity 11 is dimensioned such that it is not possible to touch the contact elements 9 arranged therein.
- an additional offset extension 16 it is not necessary for an additional offset extension 16 to be present on the guide web 10.
- the extension 16 only has the advantage that the contact pins or contact elements 7 integrated therein are protected against bending and thus only have to protrude slightly beyond the extension 16 in order to be able to make contact with the contact element 9 in the mains plug 5.
- the contact elements 7 are arranged on both sides of the guide web 10 or for the contact elements 7 to be arranged directly in the guide web 10, as illustrated are integrated.
- the contact elements 7 are preferably integrated into the guide web 10, the guide web 10 preferably being made of plastic, in particular a plastic injection-molded part, and therefore no electrical insulation of the contact elements 7 is necessary.
- the structure or arrangement of the contact elements 7 merely has to be ensured that the contact elements 7 with the contact elements 9, in particular the contact surfaces, can establish an electrical connection in the mains plug 5.
- the coupling means 8 on the housing 4 is dimensioned such that the outer shape of a mains plug 5, in particular a Euro or Schuko plug, is not changed, ie that the length of the guide web 10 is Width and height is formed so that it can be inserted into the cavity 11 to be arranged within the predetermined outer shape of a Euro or Schuko plug.
- the guide web 10 is preferably formed by an elliptical or elongated shape. This has the advantage that twisting of the mains plug 5 can be prevented, with the width of the guide web 10 achieving a high strength of the guide web 10.
- the arrangement of the contact elements 7 and the individual parts for fixing the power plug 5 can also be made very simple.
- FIG. 7 to 9 show a sequence for connecting the power plug 5 to the housing 4 of a device 2, in particular the charger 3 shown, the sequence of movements being represented by the arrows 18 and -19.
- the Netzsbecker 5 is plugged onto the housing 4, in particular on the guide web 10, off-center in a guide channel, according to arrow 18.
- the power plug 5 is fixed and positioned by latching the pin 13 and the projection 14 into the recess 12 and the groove 15.
- the power plug 5 is detached from the housing 4 in the reverse order.
- the guide web 10 can be arranged on each side surface of the housing 4, since only a very narrow guide web 10 has to be formed on the housing. It is also possible to design the power plug changing system 1 to be pivotable, that is to say that the guide web 10 is arranged on the housing 4 on a movable or pivotable base plate, not shown, so that, for example, the power plug 5 is rotated by 90 by pivoting this base plate ° is possible. Such a representation can be seen in FIGS. 10 and 11.
- FIGS. 10 and 11 different mains plugs 5 are shown in FIGS. 10 and 11. However, only the most important power plugs 5 are shown. As can now be seen from these representations, the special design ensures that the external shape of the power plug 5 is not changed, ie that no additional molded parts according to the prior art, such as a fastening plate for such a power plug changing system 1, are required because the coupling means 8, in particular the cavity 11, can be easily integrated into the plug shape of the plug 5.
- the design of the guide bar 10 is not limited to the exemplary embodiment shown, but some solution suggestions for the design of the guide bar 10, for which the coupling means 8 is carried out on the power plug 5, are mentioned, but are not shown.
- the mains plug 5 can have the coupling means 8 shown, in particular the cavity 11, or it is also possible for two cavities 11, in particular slots, to be arranged in the mains plug 5.
- the guide bar 10 it is possible for the guide bar 10 to be circular or round, so that after the plug 5 has been plugged in, the pins 13 are screwed into the recess 12 by means of a rotary movement or snap into place.
- guide channels 20 for the pin 13 can be arranged on the guide web 10, as shown in FIGS. 4 to 6.
- the recess 12 can be arranged to engage the pin 13 or can be arranged next to it. All that is achieved by the guide channel 20 is that the pin 13 is guided along the guide channel 20 before it engages in the recess 12. This application is particularly recommended if only a vertical movement, that is to say a simple plugging of the power plug 5 onto the housing 4, is to be realized, since positioning via the guide channel 20 is thus present.
- a coupling means 6 or 8 is always formed by a corresponding guide web 10 and the further coupling means 8 or 6 has a corresponding cavity 11 in which the guide web 10 is plugged on. It is also possible that movable, in particular resilient elements for fixing, latching or positioning can be arranged on the guide web 10 or in the cavity 11.
- the mains plug 5 or adapter is designed as a two or three-pole mains plug 5 and that a corresponding number of contact elements 7, 9 are arranged on the mains plug 5 and on the guide web 10.
- the adapter is designed as an additional electrical device, such as a step-up converter, i.e. that a further electronic device can be coupled to the device 2, in particular the charger 3, via such a plug coupling.
- a further electronic device can be coupled to the device 2, in particular the charger 3, via such a plug coupling.
- contact elements 7, 9 are arranged for the current transmission, but further such contact elements 7 or 9 are used for data transmission.
- a special application of such a connector coupling is also possible in cable technology, a cable, in particular an extension cable, being connected to the guide web 10, in particular with the contact elements 7.
- the coupling means 6, in particular the guide web 10, is arranged at the end of a cable, with clamping elements, for example, being arranged in the interior of the housing of the guide web 10, with which the cable, in particular the strands, is contacted.
- the cavity 11 in the housing 4 and the guide web 10 are arranged on the power plug 5, i.e. that only the guide web 10 has to be molded onto the power plug 5, whereas the cavity 11 is arranged on the housing 4.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03766063A EP1527501B1 (en) | 2002-08-05 | 2003-08-05 | Plug coupling for electrical devices and charger comprising said plug coupling |
AT03766063T ATE356450T1 (en) | 2002-08-05 | 2003-08-05 | PLUG COUPLING FOR ELECTRICAL DEVICES AND CHARGER WITH SUCH A PLUG COUPLING |
AU2003249747A AU2003249747A1 (en) | 2002-08-05 | 2003-08-05 | Plug coupling for electrical devices and charger comprising said plug coupling |
DE50306762T DE50306762D1 (en) | 2002-08-05 | 2003-08-05 | Plug coupling for electrical appliances and charger with such a plug coupling |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0118802A AT412246B (en) | 2002-08-05 | 2002-08-05 | PLUG COUPLING FOR ELECTRICAL DEVICES AND CHARGER WITH SUCH A PLUG COUPLING |
ATA1188/2002 | 2002-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004013937A1 true WO2004013937A1 (en) | 2004-02-12 |
Family
ID=31192776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2003/000225 WO2004013937A1 (en) | 2002-08-05 | 2003-08-05 | Plug coupling for electrical devices and charger comprising said plug coupling |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1527501B1 (en) |
AT (2) | AT412246B (en) |
AU (1) | AU2003249747A1 (en) |
DE (1) | DE50306762D1 (en) |
ES (1) | ES2283828T3 (en) |
WO (1) | WO2004013937A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1920504A1 (en) * | 2005-08-30 | 2008-05-14 | Friwo Geraetebau GmbH | Plug-in power supply device provided with replaceable mains plug unit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012020641B4 (en) | 2012-10-20 | 2020-01-30 | Volkswagen Aktiengesellschaft | Adapter and plug in arrangement with the adapter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2763182A3 (en) * | 1997-05-09 | 1998-11-13 | Formosa Electronic Ind Inc | Power supply for portable electrical and electronic equipment |
US5934921A (en) * | 1998-06-24 | 1999-08-10 | Rotrans Electrical Corp., Ltd. | Power supply and the joint structure of adaptor plug thereof |
US5973948A (en) * | 1996-06-19 | 1999-10-26 | Advanced Mobile Solutions, Inc. | Universal linear power supply |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998964A (en) * | 1998-03-17 | 1999-12-07 | Ipr Industries, Ltd. | Portable appliance charging system |
-
2002
- 2002-08-05 AT AT0118802A patent/AT412246B/en not_active IP Right Cessation
-
2003
- 2003-08-05 EP EP03766063A patent/EP1527501B1/en not_active Expired - Lifetime
- 2003-08-05 AT AT03766063T patent/ATE356450T1/en not_active IP Right Cessation
- 2003-08-05 ES ES03766063T patent/ES2283828T3/en not_active Expired - Lifetime
- 2003-08-05 AU AU2003249747A patent/AU2003249747A1/en not_active Abandoned
- 2003-08-05 WO PCT/AT2003/000225 patent/WO2004013937A1/en active IP Right Grant
- 2003-08-05 DE DE50306762T patent/DE50306762D1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5973948A (en) * | 1996-06-19 | 1999-10-26 | Advanced Mobile Solutions, Inc. | Universal linear power supply |
FR2763182A3 (en) * | 1997-05-09 | 1998-11-13 | Formosa Electronic Ind Inc | Power supply for portable electrical and electronic equipment |
US5934921A (en) * | 1998-06-24 | 1999-08-10 | Rotrans Electrical Corp., Ltd. | Power supply and the joint structure of adaptor plug thereof |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1920504A1 (en) * | 2005-08-30 | 2008-05-14 | Friwo Geraetebau GmbH | Plug-in power supply device provided with replaceable mains plug unit |
US7563115B2 (en) | 2005-08-30 | 2009-07-21 | Friwo Geraetebau Gmbh | Plug-in power supply with exchangeable mains plug unit |
DE102005041116B4 (en) * | 2005-08-30 | 2009-12-10 | Friwo Gerätebau Gmbh | Power supply unit with replaceable power plug unit |
CN100581003C (en) * | 2005-08-30 | 2010-01-13 | 弗里沃制造有限公司 | Plug-in power supply with exchangeable mains plug unit |
EP1920504B1 (en) * | 2005-08-30 | 2018-06-27 | Friwo Geraetebau GmbH | Plug-in power supply device provided with replaceable mains plug unit |
Also Published As
Publication number | Publication date |
---|---|
ES2283828T3 (en) | 2007-11-01 |
ATA11882002A (en) | 2004-04-15 |
DE50306762D1 (en) | 2007-04-19 |
AT412246B (en) | 2004-11-25 |
ATE356450T1 (en) | 2007-03-15 |
AU2003249747A1 (en) | 2004-02-23 |
EP1527501A1 (en) | 2005-05-04 |
EP1527501B1 (en) | 2007-03-07 |
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