WO2001008271A1 - Elektrisches/elektronisches gerät - Google Patents
Elektrisches/elektronisches gerät Download PDFInfo
- Publication number
- WO2001008271A1 WO2001008271A1 PCT/AT2000/000189 AT0000189W WO0108271A1 WO 2001008271 A1 WO2001008271 A1 WO 2001008271A1 AT 0000189 W AT0000189 W AT 0000189W WO 0108271 A1 WO0108271 A1 WO 0108271A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- housing
- plug
- electrical
- leaf spring
- 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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
Definitions
- the invention relates to an electrical / electronic device, in particular a power supply unit, comprising a plug which can be plugged into a standard socket and which can be pivotally attached to the housing of the device from a working position to a transport position, with an insulating, pivotable base body holding plug contacts, on which protrudes into the housing and are arranged with the plug contacts electrically connected contact pins, and for each plug contact comprises an immovably fixed contact within the housing, connected to the electrical / electronic circuit of the device, on each of which a contact pin comes into contact with the connector pivoted into the working position.
- the housing of so-called plug-in power supplies predominantly has such a structure.
- other small devices such as electrical insect traps, chargers or the like.
- An essential detail of such a pivotally mounted plug is the contacting of the plug contacts with the electrical / electronic circuit accommodated in the housing.
- a proposal that has already become known in this regard is to fix contacts on the plug that protrude into the interior of the housing, which contacts are connected to the plug contacts and, in the pivoted-out position of the plug, come into contact with mating contacts that are firmly arranged inside the housing, which mating contacts in turn are connected to the electrical / electronic circuit of the Device are connected. If the plug is in its transport position applied to the device housing, the contacts attached to the plug are lifted off the contacts fixed to the housing and the plug contacts are thus electrically isolated from the electrical / electronic circuit of the device.
- the housing-fixed contacts are designed as rigid bodies, the size and position within the housing are selected so that the contacts attached to the connector can come to bear on them.
- the immovably fixed contact within the housing is formed by a leaf spring biased against the contact pin.
- the contact fixed to the housing is thus pressed elastically against the contact pin, which ensures a particularly low contact resistance between these two components, which does not change even when the leaf spring and / or the contact pin is mechanically worn.
- the greater distance between the contact fixed to the housing and the contact pin caused by such wear is compensated for by the pretension of the leaf spring, by means of which the leaf spring is always pressed against the contact pin with sufficient force to ensure a low contact resistance.
- the leaf spring is fixed at one end to a part of the housing, has a first and a second contact point, which contact points on a contact surface connected to the electrical / electronic circuit of the device when the plug is pivoted into the working position or come into contact with a contact pin on the plug.
- the leaf spring does not have to be soldered to conductor tracks or lead wires leading to the electrical / electronic circuit, thereby saving a manufacturing step in this regard.
- leaf springs usually consist of poorly with conductor tracks or conductor wires made of copper solderable materials, so that by saving the soldering of the leaf spring with these
- Manufacturing step would mean.
- one end of the leaf spring is inserted into a slot machined into the housing.
- Device connected contact surface is arranged on a Leite ⁇ latte carrying the electrical / electronic circuit.
- a Leite ⁇ latte carrying the electrical / electronic circuit must be provided anyway in a device according to the invention.
- the number of components required in the housing can be kept to a minimum, i.e. a carrier to be provided in addition to the conductive plate for the contact surface can be saved.
- Leaf spring has an approximately C-shaped profile.
- the design is particularly simple and can be achieved to an extent that ensures good contact.
- the first contact point of the leaf spring is formed by an elevation, the free surface of which is small compared to that
- Leaf spring surface is formed.
- Circuit connected contact area generates a particularly high contact pressure, which has a particularly low-resistance electrical connection between these two
- Another development of the invention can be that the leaf spring is wider in the area of the second contact point than in the other areas.
- a leaf spring designed in this way can be used in the case of a plurality of plugs constructed in accordance with different standards, in which the plug contacts are spaced differently apart from one another.
- FIG.la, b perspective views of a housing 6 of a device according to the invention with a Western European connector 1;
- FIGS. 2a, b are perspective views of a housing 6 of a device according to the invention with an American plug 2;
- FIG. 3 shows the housing 6 according to Fig.la, b in plan
- FIG. 4 a shows a section according to FIG. 4 through a housing 6 with an American plug
- FIG. 5 shows the housing 6 according to FIG. 3 in side elevation
- Fig. ⁇ a shows a section according to Figure 6 through a housing 6 with an American connector
- FIG. 7a shows the detail X according to FIG. 7 with another designed shaft bearing 23;
- the electrical / electronic device comprises, as can be seen from FIGS., B and 2a, b, a housing 6 which receives the electrical or electronic circuit.
- the device is preferably a power supply, but can have any other function.
- the housing 6 is in two parts, namely comprising a lower part 6 ′ and an upper part 6 ′′, which are fastened to one another via a snap connection
- Lower part 6 'latches 20 attached, which engage behind corresponding latching edges 21 on the upper part 6 "(cf. FIGS. 9a-c and FIGS. 4, 4a and 6, 6a).
- the device also has at least one plug 1, 2 which can be plugged into a standard socket and which is pivotably attached to the housing 6.
- the connector 1, 2 can assume a working position in which it extends at an angle of approximately 90 ° to the device surface. Furthermore, the connector is 1.2 in one
- Transport position pivoted in which it is parallel to the device surface, ie, within the U-fb 'shaped conformation 3 of the housing 6 to lie.
- the exact geometric structure of the connector 1, 2 can be selected as desired, that is to say it can be implemented according to any connector standard.
- the connector 1 according to norm. EN 50075 and connector 2 according to standard no. IEC 83 Al-15 with which the device according to the invention can be used in Western Europe or in the USA.
- the connector base body 4 has strip-like, projecting projections 4 '. So that such a connector 1 can run parallel to the housing surface in the transport position, an indentation 4 'corresponding to the projection 4' is embedded in the latter, in which the projection 4 'comes to rest when the connector 1 is pivoted into the transport position.
- the plug 1, 2 comprises an insulating basic body 4, 5 which holds plug contacts 1 ', 2' and on which contact pins 8, 9 are fixed (cf. FIGS. 4 and 6 or 4a and 6a and 7) 8, 9 are electrically connected to the plug contacts 1 ', 2', which is done, for example, by conductor tracks running within the basic body 4.5.
- the plug contacts 1 ', 2' as a whole or at least the electrically conductive sections of the plug contacts 1 ' , 2 'can be formed in one piece with the contact pins 8, 9 (cf. FIG. 4).
- the contact pins 8, 9 By fixing the contact pins 8, 9 on the pivotable base body 4, 5, they are movable relative to d em device housing 6.
- the contact pins 8, 9 protrude into the housing 6, which is achieved by slot-like openings 10 in the housing, which are penetrated by the contact pins 8, 9 ( see. also Fig. 9a).
- an immovably fixed contact is provided within the housing 6 per contact pin 8, 9, which contacts the electrical / electronic circuit of the device is in electrical connection.
- This contact is positioned in the housing 6 in such a way that the contact pin 8, 9 assigned to it comes into contact with this contact when the plug 1, 2 is pivoted into the working position.
- the invention consists in the concrete design of this contact, which is that said contact is formed by a leaf spring 1 1 biased against the contact pin 8.9.
- this leaf spring 1 1 can be firmly clamped at its first end and permanently connected to the electrical / electronic circuit, for example soldered to the lead plate 13 carrying the electrical / electronic circuit, the free, second leaf spring end then in the working position of the connector 1.2 is pressed against the contact pin 8.9.
- small-area supports 15 are formed on the inner wall of the lower housing part 6 ', on which the Leite ⁇ latte 13 is placed (see Fig. 9a-c. 6 and 7).
- the area of the broad side edges of the lead plate 13 lying supports 15 have pins 16 which pass through bores located in the lead plate 13.
- Struts 17 are formed on the inside of the upper housing part 6 ′′, the free ends of which come into contact with the top plate 6 ′′ when the upper part 6 ′′ is snapped onto the lower part 6 ′ and thus press them against the supports 15.
- the leaf spring 11 is fixed at one end to a part of the housing 6 - namely the housing wall itself.
- the leaf spring 11 has a first contact point 11 'and a second contact point 11'.
- the first contact point 11 ' comes into contact with a contact surface 12 connected to the electrical / electronic circuit of the device, while the second contact point 11 "bears on the relevant contact pin 8.9.
- the second contact point 11 "bears on the relevant contact pin 8.9.
- plug contacts 1 ', 2' and contact pins 8, 9 run horizontally in the position of the device shown in FIGS. 6, 6 a and 7, the contact pins 8, 9 being lifted off the second contact point 1 1 " and thus the electrical connection between the plug contacts 1 ', 2' and the electrical / electronic circuit of the device is interrupted.
- the contact surface 12 connected to the electrical / electronic circuit of the device can in principle be fixed in any manner within the housing 6, for example on a correspondingly positioned molding on the inner wall of the housing, but according to the attached drawings it is on the one which carries the electrical / electronic circuit Leite ⁇ latte 13 arranged.
- the first end of the leaf spring 11 is fixed on the housing 6 by means of a slot 14 machined into the housing 6, in which the leaf spring 11 is inserted.
- the slot 14 for receiving this leaf spring 11 runs parallel and at a short distance from the surface of the housing wall.
- the cross sections of this slot 14 and the leaf spring 11 are chosen so that there is an interference fit between these two components, with which no further fastening measures, such as e.g. Riveting, gluing or the like are necessary to fix the leaf spring 11.
- This leaf spring 1 1 must not be tinned and therefore can not be soldered to the Leite ⁇ latte 13 by the automatic soldering process, by means of which all other components are fixed to the Leite ⁇ latte 13.
- the leaf spring 1 1 would therefore, if it is to be soldered to the Leite ⁇ latte 13, manually re-equipped and soldered.
- these steps are cumbersome, that is, they are complex in terms of process technology and can be avoided by the preferred setting of the leaf spring 11 on the housing.
- the preferably used leaf spring 11 has an approximately C-shaped profile, the first contact point 11 'being arranged in the middle section and the second contact point 11' 'being arranged in the region of the second, free end section (cf. also FIGS. 8a-d).
- the first contact point 11 'of the leaf spring 11 is formed by an elevation 18, the free surface of which is small compared to the surface of the leaf spring.
- This elevation 18 can be produced, for example, by applying a welding spot to the leaf spring 11 or by embossing the same.
- the force with which the contact pin 8,9 presses the leaf spring 11 against the contact surface 12 is thereby transmitted via a small contact surface, which leads to a particularly high contact pressure and thus to a low contact resistance.
- the leaf spring 11 is - as can be seen particularly clearly from FIG. ⁇ a - wider in the region of the second contact point 11 ′′, approximately twice as wide as in the other regions. This allows the same leaf spring size and the same housing 6
- the distance between the plug contacts 1 ', 2' of different plug standards varies (see Fig. 4,4a), so that in the advantageous one-piece design of the contact pins 8,9 with the plug contacts 1 ', 2' these contact pins 8 , 9 come to lie at different heights of the leaf springs 11.
- the wide configuration of the second contact surface area ensures, for a relatively large variation in the plug contact distance, that the contact pins 8, 9 can come to rest against the leaf springs 11.
- the implementation of the pivotable mounting of the plug 1, 2 on the housing 6 is independent of the configuration of the electrical connection of the plug contacts 1 ', 2' with the electrical / electronic circuit of the device discussed previously. It can therefore be made in principle in any form, for example, in the area of the contact pins 8, 9, the base body 4.5 laterally projecting shaft stubs 19 can be provided, which are supported in the U-shaped configuration of the housing 6 (cf. dashed representation of this shaft stub 19 in Fig. 4).
- the basic body 4.5 of the plug 1, 2 has only one pivot shaft 22 which is arranged between the axes of symmetry 1 ", 2" of the plug contacts V, 2 ' .
- this pivoting shaft 22 is arranged in the western end of the plug 1 in the second end region of the plug 1, which lies opposite the first end region from which the plug contacts 1 ' , 2 ' protrude.
- the pivot shaft 22 is formed by working out a corresponding opening 28 (see FIGS. 6, 7) or a corresponding notch 29 in the basic body 4.
- This pivot shaft 22 is encompassed by a shaft bearing 23 which is fixed on the housing 6. As shown in FIG. 7 a, this shaft bearing 23 can be pliers 30, the legs of which consist of elastic material, for example a plastic, and between which the pivot shaft 22 can be snapped.
- FIGS. 4, 6 and 7. Another, preferably used design of the shaft bearing 23 is shown in FIGS. 4, 6 and 7.
- it comprises two half-shells 24.25 which are approximately L-shaped in cross section.
- the first of these half-shells 24 is fixed to the housing 6, preferably formed from the same material as the housing 6 and formed in one piece with it (cf. also FIG. 9a).
- the second half-shell 25 is a component formed separately from the housing 6, which, however, can be fixed on the housing 6 in such a way that it engages around the pivot shaft 22 in cooperation with the first half-shell 24.
- edges 27 are formed by the edges of openings 31, which are incorporated in the housing 6 lying directly adjacent to the first half-shell 24.
- a small basic body 5 is provided, the dimensions of which only slightly exceed those of the pivot shaft 22.
- the shaft bearing 23 can also be formed by the two L-shaped half-shells 24, 25, but the basic body 5 has a notch 29 extending over the entire circumference of the basic body to form the pivoting shaft 22, but not an opening 28.
- the simple assembly of the connector 1, 2 has proven to be particularly favorable in the design of the pivotable mounting just discussed: namely, only the second half-shell 25 has to be inserted into the opening 28 of a western European connector 1 or to the pivoting shaft 22 of an American connector 2 be created, the connector 1, 2 aligned in the direction of its working position and placed on the housing 6.
- the resulting locking of the half-shell 25 on the housing 6 represents a secure and immediately fully effective fixing of the connector 1, 2 on the housing.
- the cross-sectional profile of the pivoting shaft 22 is freely selectable, a circular cross-section is of course primarily conceivable, as shown in FIG. In addition, the cross-section of a square, whose corners are rounded, which can be seen in FIG. If a pivot shaft 22 with a circular cross-section is used when forming the shaft bearing 23 by means of two half-shells 24, 25, the shape of the half-shells 24, 25 must of course be adapted to this, ie chosen to be approximately C-shaped.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU57954/00A AU5795400A (en) | 1999-07-22 | 2000-07-10 | Electric/electronic device |
AT0905500U AT6061U1 (de) | 1999-07-22 | 2000-07-10 | Elektrisches/elektronisches gerät |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1270/99 | 1999-07-22 | ||
AT0127099A AT409684B (de) | 1999-07-22 | 1999-07-22 | Elektrisches/elektronisches gerät |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001008271A1 true WO2001008271A1 (de) | 2001-02-01 |
Family
ID=3510252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2000/000189 WO2001008271A1 (de) | 1999-07-22 | 2000-07-10 | Elektrisches/elektronisches gerät |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT409684B (de) |
AU (1) | AU5795400A (de) |
WO (1) | WO2001008271A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29715788U1 (de) * | 1997-08-20 | 1997-11-13 | Formosa Electronic Industries Inc., Hsin-tien, Taipeh | Steckeradapter mit mehreren Steckern |
US5859523A (en) * | 1996-06-03 | 1999-01-12 | Nierescher; David S. | Rechargeable battery pack for battery powered devices with a rotatably mounted plug |
WO1999023728A1 (en) * | 1997-11-03 | 1999-05-14 | International Components Corporation | Concept for european folding blade enclosure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474376A (en) * | 1967-04-17 | 1969-10-21 | William A Preiss | Electric attachment plug |
IT1202131B (it) * | 1985-01-23 | 1989-02-02 | Bargellini & C Spa G | Dispositivo di attacco a prese elettriche a muro per batterie ricaricabili equipaggianti oggetti illuminanti piccoli elettrodomestici e simili |
GB2237152B (en) * | 1989-09-29 | 1993-12-01 | Motorola Gmbh | Improvements in or relating to circuit carriers |
US5791921A (en) * | 1997-01-09 | 1998-08-11 | Lee; Anthony | Easily operable universal adapter |
-
1999
- 1999-07-22 AT AT0127099A patent/AT409684B/de active
-
2000
- 2000-07-10 WO PCT/AT2000/000189 patent/WO2001008271A1/de active Application Filing
- 2000-07-10 AU AU57954/00A patent/AU5795400A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5859523A (en) * | 1996-06-03 | 1999-01-12 | Nierescher; David S. | Rechargeable battery pack for battery powered devices with a rotatably mounted plug |
DE29715788U1 (de) * | 1997-08-20 | 1997-11-13 | Formosa Electronic Industries Inc., Hsin-tien, Taipeh | Steckeradapter mit mehreren Steckern |
WO1999023728A1 (en) * | 1997-11-03 | 1999-05-14 | International Components Corporation | Concept for european folding blade enclosure |
Also Published As
Publication number | Publication date |
---|---|
AU5795400A (en) | 2001-02-13 |
AT409684B (de) | 2002-10-25 |
ATA127099A (de) | 2002-02-15 |
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