WO2011083403A2

WO2011083403A2 - A system for electrical supply to electrical and/or electronic devices

Info

Publication number: WO2011083403A2
Application number: PCT/IB2011/000031
Authority: WO
Inventors: Felice Garlinzoni; Andrea Spaggiari; Igor Spinella
Original assignee: Feligan S.R.L.
Priority date: 2010-01-11
Filing date: 2011-01-05
Publication date: 2011-07-14
Also published as: ITRE20100001A1; WO2011083403A3

Abstract

An embodiment of the present invention provides a module (50) for electrical connection of electrical and/or electronic devices to a supply base (10), in which the module (50) comprises a casing (51 ) containing winding means of an extractable electric cable (52), which exhibits an end that exits from the casing (51 ) and to which a connector (53) is associated, which connector (53) is destined to couple with a supply socket of an electrical and/or electronic device; the casing (51 ) being conformed such as to removably insert in a housing (18) of the supply base (10), and in which the casing (51 ) comprises an electrical contact (55) connected to the extractable electric cable (52), which is destined to contact a corresponding electrical contact (19) of the supply base (10), when the casing (51 ) is inserted in the housing (18).

Description

A System for Electrical Supply to Electrical and/or Electronic Devices

Technical Field

The present invention relates to a system for supplying electricity to electrical and/or electronic devices, such as for example mobile telephones, hand-held computers, digital cameras, multimedia readers, notebook computers and others besides.

In particular, the invention relates to a supply system usable both for direct supply and for recharging batteries, which can be present in the above-cited devices.

Background Art

Supply systems are generally devices able to transform an electricity grid tension into a tension and/or a current useful for supplying electrical and/or electronic devices to which they are connected. Traditional supply systems are designed for supplying a single device at a time, via a specific electrical connector which is conformed such as to couple with a supply socket of the device.

Further, each producer of electrical and/or electronic devices normally uses a different supply socket to those used by other producers, such that traditional supply systems are usable only with a small number of devices which belong to a same "family".

To obviate these drawbacks, supply systems have been made available which are provided with a supply base on which multiple and different connectors are fixed, each of which is conformed such as to couple with the current socket of a different family of devices.

Although they can be used for a large number of devices, these supply systems are not normally able to supply more than one device at a time, as each device supplied covers the sockets that are free, or in any case subtracts the space necessary for the free connectors to be coupled to other devices. Further, during supply, the position of the device is strictly constrained to the position of the supply base, which normally must remain close to the current inlet to which it is connected, so that the device is generally inconvenient to use during supply, to the point that the supply systems are often used merely as recharging stations for the batteries.

The aim of the present invention is to obviate or at least reduce the above- mentioned drawbacks in the prior art, with a solution that as much as possible is simple, rational and relatively inexpensive.

Disclosure of Invention

These and other aims are attained thanks to the characteristics of the embodiments of the invention reported in the independent claims. The dependent claims delineate preferred and/or particularly advantageous aspects of the embodiments of the invention.

In particular, the invention provides a supply base for electrical/electronic devices having removable modules which are destined to be associated to the supply base in order to connect with the devices to be supplied.

Each module comprises a casing containing means for winding an extractable electric cable, which exhibits an end that exits from the casing and to which is associated a connector destined to couple with a supply socket of an electrical and/or an electronic device, in which the casing is conformed such as to removably insert in a housing of the supply base, and in which the casing comprises an electrical contact connected with the extractable electric cable, which is destined to contact a corresponding electrical contact of the supply base, when the casing is inserted in the housing.

The supply base in turn comprises an openable casing containing a plurality of housings, each of which is destined to removably house one of the modules for electrical connection of an electrical and/or electronic device to the supply base, and a plurality of electrical contacts, each of which is destined to contact a corresponding electrical contact of a module when the module is inserted in a housing. The casing of the supply base is further conformed such as to contain the modules which are inserted in the housings and is provided with a plurality of openings, each of which is destined to enable an extractable electrical cable of each of the modules to exit from the casing.

Thanks to this solution a multiplicity of devices can be supplied, each of which is connected to the supply base via the connector of one of the connecting modules associated thereto.

Since the connectors are borne by a retractable electric cable, this solution further enables the devices to be distanced from the supply base, which enables contemporary charging of a plurality of devices as well as a possible and more convenient use during the charging.

As the connecting modules are removable, they can be replaced with other modules of the same type but having a different type of connector, such as to enable the supply base to be used for devices belonging to different families. In a preferred aspect of the connecting module, a blocking system is associated to the winding device for preventing rewinding of the electric cable into the casing, which blocking system is selectively deactivatable in order to enable automatic winding of the electric cable. In this way, the use of the extractable electric cable is particularly easy and effective.

In a further preferred aspect, the casing of the connecting module has a parallelepiped shape.

The shape is particularly easy to realise and guarantees an efficient coupling between the removably connecting modules and the housings of the supply base.

In a further aspect of the invention, at least a current socket and/or at least a USB port for electrical supply is associated to the casing of the supply base are further associated.

Thanks to this solution, it is possible also to supply devices equipped with common electric sockets and/or devices which are supplied via USB cables. In an aspect of the invention, the supply base comprises an electrical connector destined to be connected to an electrical energy source, typically the fixed grid supply for electrical energy distribution, or an autonomous generator.

This connector is preferably connected to a transformer circuit, which is destined to transform an alternating current (coming from the electrical energy source) into a direct current and to apply the continuous current at least to the electrical contacts which interface with the removable connecting module.

In this way, it is advantageously possible to generate the direct current required for supplying the devices connectable to the various modules.

In a further aspect of the invention, each electrical contact of the supply base is electrically supplied by means of a distribution channel on which a switch and a current sensor are placed in series.

The current sensors are preferably connected to a control circuit, which is programmed to open a switch if the current detected by the current sensor exceeds a limit value.

Thanks to this solution, it is advantageously possible to prevent overloads which might lead to damaging the electrical and/or electronic devices or to overloads of the supply system.

In a further aspect of the invention, the supply base further comprises also a sensor destined to detect presence of an unblocking key in a predetermined position with respect to the sensor itself, and that the control circuit is programmed to open the switches if the electrical connector is separated from the electrical energy source and to keep them separate until the sensor detects the unblocking key.

In this way an effective deterrent is created against stealing the supply base, especially useful in public places, as after separating the connector from the electrical energy source a thief will not be able to make the supply base work without the relative unblocking key.

The further embodiment of the invention makes available a system for supplying electrical and/or electronic devices which comprises the above- described supply base and at least a relative connecting module. The connectors of at least two connecting modules associated to the supply base are preferably different, such as contemporaneously to be able to supply at least two devices belonging to different families.

Further characteristics and advantages of the invention will emerge from a reading of the following description, which is provided by way of non-limiting example, with the aid of the figures of the accompanying drawings.

Brief description of the Drawings

Figure 1 is a perspective view of the front part of a supply system for electrical and/or electronic devices of a first embodiment of the invention; figure 2 is a perspective view of the front part of the supply system of figure 1 , illustrated without the removable upper cover;

figure 3 is a perspective view of the lower part of the supply system of figure 1 , shown without the removable lower cover;

figure 4 is a perspective view of the rear part of the supply system of figure 1 ; figure 5 is a perspective view of one of the removable connecting modules of the supply system of figure 1 ;

figure 6 is an unblocking key for the supply system of figure 1 ;

figure 7 is a perspective view of an electronic card of the supply system of figure 1 ;

figure 8 is an electrical diagram of the supply system of figure 1 ;

figure 9 is a perspective view of the front part of a supply system for electrical and/or electronic devices of a further embodiment of the invention;

figure 10 is a view from above of the supply system of figure 9, shown without the removable upper cover;

figure 11 is a perspective view of the lower part of the supply system of figure 9, shown without the removable lower cover;

figure 12 is a perspective view of the rear part of the supply system of figure 9;

figures 13 and 14 are two perspective views of one of the removable connecting module of the supply system of figure 9; figure 15 is a perspective view of an electronic car of the supply system of figure 9;

figure 16 is an electrical diagram of the supply system of figure 9.

Best Mode for Carrying Out the Invention

A system 100 of the invention comprises a supply base 10 destined to be electrically connected to a source of electrical energy.

The electrical energy source is preferably a fixed electricity distribution grid, but it could alternatively be any autonomous generator of energy or even a battery.

As illustrated in figures from 1 to 4, the supply base 0 comprises an external casing 11 , which is provided with an upper cover 12 and a lower cover 13 which are both removable in order to allow access to the internal volume. A connector 14 for an electric cable is associated to the body of the casing 11 , which connector 14 (not illustrated) bears a plug destined to be inserted in a common current socket of electrical supply.

Further associated to the casing 11 is a plurality of female USB ports for electrical supply, which are preferably located on the front part of the supply base 10, and a plurality of current sockets, of which a pair of current sockets 16 which are positioned on the front part of the supply base 10, in order to facilitate use thereof by a user, and a socket 17 which is situated on the rear part by a flank of the connector 14.

The current sockets 16 and 17 are preferably of the "universal" type, i.e. conformed such as to be able to couple with electrical plugs from all parts of the world.

As illustrated in figure 2, a plurality of housings 18 is fashioned internally of the casing 11 , which are arranged in line one beside another and are destined to receive a corresponding plurality of connecting modules 50. Each connecting module 50 is destined to electrically connect the supply base 10 with an electrical/electronic device, for example with a mobile telephone, a multi-media reader, a laptop or other devices, with the aim of electrically supplying the electric/electronic devices with electrical energy coming from the supply grid, for example in order to recharge the batteries thereof.

As illustrated in figure 5, each connecting module 50 comprises an external casing 51 destined to be inserted removably in a respective housing 18.

An end of an electric cable exits from the casing 51 , to which cable a connector 53 is associated, which is conformed such as to be able to couple removably with a supply socket of a corresponding electrical/electronic device.

The connectors 53 of the connecting module 50 associated to the supply base 10 are all different to one another, such as to be able to recharge different devices.

The electric cable 52 is extractable and retractable from the casing 51 , such as to be able to vary the useful length thereof.

In particular, the electric cable 52 is wound on a reel (not illustrated) contained internally of the casing 51 , from which it can be unwound simply by manually pulling the connector 53 in an externalwise direction.

Blocking means are also associated to the reel, typically based on a ratchet mechanism, for preventing winding of the electric cable 52 internally of the casing 51 when the connector 53 is released, and automatic winding means, which are destined to retract the electric cable 52 automatically internally of the casing 51 , rewinding it on the reel when the blocking means are deactivated.

In other words, each connecting module 50 has a blocking system which prevents re-winding of the electric cable 52 but which can be deactivated in order to obtain the automatic rewinding of the electric cable 52 itself.

In the example illustrated in figure 5, this deactivation is obtained by pressing a release button 54 which moves the blocking ratchet into a position in which it enables rewinding of the electric cable 52, and the release thereof enables the ratchet to automatically return into the blocking position. ln the example illustrated in figures 13 and 14, the blocking means are deactivated by means of a slight tugging of the electric cable 52, without any need for a release button.

An electrical contact 55 is integrated in the body of the casing 51 , which is exposed to the outside and is electrically connected to the end of the electric cable 52 opposite the connector 53.

When the casing 51 of the connecting module 50 is inserted in a housing 18 on the supply base 10, the electrical contact 55 touches a corresponding electrical contact 19 which is associated to the supply base 10 and which is located at the housing 18.

In this way, the supply base 10 is destined to transfer the electrical energy of the grid to which the device is connected to the connector 53 of the connecting module 50.

Note that the casings 51 of the connecting modules 50, like the relative housings 18 of the supply base 10, all have exactly the same shape, in the example a parallelepiped.

In this way, each connecting module 50 can be replaced with other modules 50 having a different type of connector 53, and the arrangement of the connecting modules 50 on the supply base 10 can be modified as desired. In other words, the connecting modules 50 are completely interchangeable with the aim of customising the connector 53 set associated to the supply base 10.

Note that the casing 11 of the supply base 10 is conformed such as to completely contain the connecting modules 50 which are inserted in the housings 18, which are therefore hidden, protected and accessible from outside only after opening the upper cover 12.

For this reason, the casing 11 is further provided with a plurality of narrow openings 20, each of which is destined to receive the extractable electric cable 52 of a module 50 which is housed in a respective housing 18, such that the relative connector 53 remains exposed to outside the casing 11. A technical effect of this modular structure with extractable and windable electric cables is the possibility of using the electrical and/or electronic devices during supply, as the devices can be taken to a distance from the supply base 10 without interfering with one another.

A further technical effect is the easy adaptability of the system 100 to various different electrical and/or electronic device.

In substance, a "universal" system 100 is made available which integrates multiple connectors 53 useful for recharging the almost-totality of mobile telephones, multi-media readers and digital cameras now present on the market, and which, thanks to the presence of multiple sockets 16, 17 and USB ports 15, is connectable with almost all of the electrical and/or electronic devices which require supply.

In more detail, in the illustrated embodiment in figures from 1 to 8 the supply base 10 comprises an electronic card 21 , typically realised as a printed circuit, which is positioned vertically and is interposed between the housings 18 and the front zone of the supply base 10, in which the USB ports 15 and the front current sockets 16 are located (see figure 4).

The above-mentioned electric contacts 19 (see figure 7) are located on a surface of the electronic card 21 , are equal in number to the housings 18 and enable easy connection of the electronic card 21 to the removable connecting modules 50.

The electronic card 21 further makes available all the connecting points with the USB ports 15, with the front current sockets 16, with the rear current sockets 17 and with the connector 14.

As illustrated in the diagram of figure 8, the electronic card 21 comprises a transforming circuit 22, which is configured such as to transform the high- tension electric current in inlet to the connector 14 into a low-tension electric current (typically 5V) suitable for supplying the electrical and/or electronic devices connectable to the connecting modules 50 and the USB ports 15. More precisely, the transforming circuit 22 is configured such as to transform the alternating current from the grid into direct current, and to apply the direct current to the USB ports 15 and to the electrical contacts 19 which are destined to realise the electrical connection of the supply base 10 with the removable connecting modules 50.

The current sockets 16 and 7 are not connected with the transforming circuit 22, but are directly subjected to the grid tension coming from the connector 14.

The electronic card 21 might however comprise a further transformer destined to supply the current sockets 16 and 17 with a different tension from the grid tension.

As illustrated in figure 8, the transforming circuit 22 is electrically connected to each electrical contact 19 and to each USB port 15 by means of a respective electrical distribution channel 23, on which a respective switch 24 and a respective current sensor 25 located downstream of the switch 24 are located.

The electronic card 21 further comprises a control circuit 26 configured such as to open or close each switch 24 according to the detection of the respective current sensor 25.

More precisely, if a current sensor 25 detects an overload, the control circuit 26 opens the relative switch 24, and disables the electrical connection of the relative distribution channel 23.

Constructionally, each switch 24 can be integrated in a single component, together with the current sensor 25 and with the connections able to communicate with the control circuit 26, or can be realised separately from the current sensor 25, especially in a case in which it has to supply high loads.

The switch 24 can possibly be replaced by a resettable PTC fuse with a threshold set at 2.5A. Beyond this limit the PTC fuse enters into operation, blocking the passage of the current, until the current requested falls below the admissible limit.

The control circuit 26 is further configured such as to implement an anti-theft functionality which comprises disabling all the distribution channels 23 connected to the transforming circuit 22, or opening all the switches 24, blocking the functioning of the supply base 10, should the connector 14 become separated from the supply grid.

A light and/or acoustic indicator, supplied by a special battery installed on the supply base 10, can be used to signal the blocked state to the user.

Alternatively, the light and/or acoustic indicator might signal the functioning state and be turned off during the blocked state, such as not to require the presence of any additional battery.

When the connector 14 is newly connected to the supply grid, the distribution channels 23 remain disabled up to when a special unblocking key 27, shown in figure 6, is inserted or neared to a sensor 28 connected to the control circuit 26.

The sensor 28 is installed on the electronic card 21 and is configured to supply an activating signal to the control circuit 26 in accordance with the presence of unblocking key 27 in a predetermined detection zone of the sensor 28.

When the unblocking key 27 is detected, the control circuit 26 resets the normal functioning of the supply base 10 managed on the basis of the current sensors 25.

The unblocking key 27 can then be removed or distanced from the sensor 28.

The unblocking key 27 and the relative sensor 28 are preferably based on a technology selected from among capacitive, inductive, magnetic, with electric contacts or with electronic circuits, in all cases able to provide an unblocking code in serial or parallel format.

As mentioned herein above, when the supply base 10 is activated, the current sensors 25 are configured such as to send an overcurrent signal to the control circuit 26, should the current in the respective distribution channel 23 exceed a predefined limit value for supplying the electrical and/or electronic devices (overcurrent). Should none of the current sensors 25 have sent an overcurrent signal, the control circuit 26 provides a signal for closing or maintaining closed all the switches 24, and to supply the relative loads if present.

Should one of the current sensors 25 send an overcurrent signal to the control circuit 26, the control circuit 26 opens the switch 24 relative to the distribution channel 23 on which the overcurrent condition has been detected.

After a predetermined time, the control circuit 26 closes the switch 24, and thus attempts to reset the normal functioning condition.

The current sensors 25 can be calibrated differently to one another, i.e. in such a way as to send the overcurrent signal on exceeding of values that are different to the current in relative channel.

While a normal mobile telephone recharges with a current that varies between 200 and 900mA, modern tablet PCs require a recharging current which generally oscillates between 1000 and 2000 mA.

In a further aspect of the invention, the control circuit 26 can be self- programmable as described herein below.

The first time the control circuit 26 is activated, it detects the presence or absence of the sensor 28.

If the sensor 28 is not detected, the logic control part relating to the anti-theft function is never activated.

If on the other hand the sensor 28 is detect on first start-up, the control logic relating to the anti-theft functioning is automatically activated during any other start-up of the system 100, such that even by disconnecting the sensor 28, any intrusion will not succeed in defeating the anti-theft system.

The control circuit 26 can also be structured in such a way that by mounting or not mounting some parts of the circuit, a different functionality is obtained according to the various models of the present system 100.

For example, by mounting or not mounting a micro-controller, which is part of the control circuit 26, the anti-theft function is either activated or deactivated, with the other system functions remaining untouched. ln the alternative embodiment shown in figures from 9 to 16, the supply base 10 differs from the one previously described due to some aspects of strictly electrical nature.

As illustrated in the diagram of figure 16, the supply base 10 comprises a main electronic card 30, which is housed internally of the casing 11 (see figure 11 ), and on which are integrated the transforming circuit 22, the distribution channels 23 provided with switches 24 and current sensors 25, as well as the control circuit 26 as described for the preceding embodiments. The main electronic card 30 is connected, via a BUS 40, to separate channels, to a first low-tension distribution electronic card 31 , which bears the electrical contacts 19 for the connecting modules 50.

In this way, each distribution channel 23 of the electronic code 30 is electrically connected to a respective electrical contact 19.

The electronic card 31 is arranged horizontally below the housings 18 inside the casing 11 (see figure 11 ) such as to close the bottom of the housings 18 and such that each electrical contact 19 is placed at a respective housing of the housings 18.

In this case, each electrical contact 19 is a pogo-pin (see figure 15), i.e. a connector with an elastic element within, useful for realising frontal contact which compensate dealignments and imperfect mounting of the connecting modules 50 in the housings 18. Naturally, the electrical contacts 55 incorporated in the casing 51 of each connecting module 50 are in this case modified such as to cooperate with the above-cited pogo-pins (see figure 14). The main electronic card 30 is connected, via a further BUS 41 with separate channels, to a further low-tension distribution electronic card 32, which integrates the USB ports 15 as well as the above-mentioned light indicator 33, in the example a LED (see figure 9), which is destined to signal the state of functioning or blocking of the supply base 10.

In this way, the USB ports 15 and the LED 33 are supplied by the low tension generated by the main electronic card 30. The main electronic card 30 is further connected with a third electronic card 34 which bears the sensor 28, such that the sensor 28 is connected with the control circuit 26 which implements the anti-theft function as previously described.

As illustrated in the diagram of figure 16, the main electronic card 30 is connected to the connector 14 by means of a protection fuse 35, which is located in the rear part of the supply base 10 (see figure 1 1 ).

In the illustrated example, the protection fuse 35 is a normal rapid fuse having a 10A rating, thus a total load that can touch 2000W. Beyond that current limit, the protection fuse 35 enters into function simply by closing passage of the current.

The current sockets 16 and 17 are connected to the connector 14 downstream of the protection fuse 35 and upstream of the main electronic car 30, such as to be subjected directly to the grid tension.

In particular, the front current sockets 16 are connected to the connector 14 by means of a single high-tension distribution card 36.

From the above it can be understood that the functioning of the system 100 in the first and second embodiments of the invention is substantially the same.

In particular, once supplied with grid tension (or an autonomous generator) by the connect 13 and enabled using the unblocking key 27, the system 100 is ready to be used.

To enable the system 100 using the unblocking key 27, it is sufficient to near the unblocking key 27 to the sensor 28, which detects the presence thereof and activates the supply base 10, which then remains activated as long as it is supplied.

The connectors 53 can thus be pulled by the user to extract the electrical cables 52 to the desired length, enabling easy connection thereof to the electrical and/or electronic device to be supplied.

The internal ratchet mechanism of each connecting module 50 guarantees that the connectors 53 do not rewind the moment the user lets them go. When the use of the connector 53 is no longer required, the rewinding is done automatically when the user tugs lightly on the connector, unblocking the ratchet, then releases the electric cable 52 which will rewind; or the user presses the release button 54.

The connecting modules 50 are interchangeable and thus it is possible to customise the connector set provided by the system 100.

Obviously a technical expert in the sector might make numerous modifications of a technical-applicational nature, without the invention's thus forsaking the ambit of the invention as claimed herein below.

Claims

1 ) . A module (50) for electrical connection of electrical and/or electronic devices to a supply base (10), wherein the module (50) comprises a casing (51 ) containing winding means of an extractable electric cable (52), which cable (52) exhibits an end that exits from the casing (51 ) and to which a connector (53) is associated, destined to couple with a supply socket of an electrical and/or electronic device, characterised in that the casing (51 ) is conformed such as to removably insert in a housing (18) of the supply base (10), and in that the casing (51 ) comprises an electrical contact (55) connected with the extractable electric cable (52), which electrical contact (55) is destined to contact a corresponding electrical contact (19) of the supply base (10) when the casing (51 ) is inserted in the housing (18).

2) . The module (50) of claim 1 , characterised in that a blocking system is associated to the winding device, which blocking system is destined to prevent winding of the electric cable (52) internally of the casing (51 ), and which blocking system is deactivatable such as to enable automatic winding of the electric cable (52) into the casing (51 ).

3) . The module (50) of any one of the preceding claims, characterised in that the casing (51 ) has a parallelepiped shape.

4) . A supply base (10) for electrical and/or electronic devices, characterised in that it comprises an openable casing (11 ) containing a plurality of housings

(18), each of which is destined to removably house a module (50) for electrical connection of an electrical and/or electronic device to the supply base (10), and a plurality of electrical contacts (19), each of which is destined to contact a corresponding electrical contact (55) of a module (50) when the module (50) is inserted in a housing (18), the casing (11 ) being conformed such as to contain the modules (50) which are inserted in the housings (18) and being provided with a plurality of openings (20), each of which is destined to enable an extractable electric cable (52) of each of the modules (50) to exit from the casing (1 1 ).

5). The base (10) of claim 4, characterised in that the casing (1 1 ) is further associated to at least a current socket (16, 17).

6). The base (10) of claim 4 or 5, characterised in that at least a USB port (15) for electrical supply is further associated to the casing (1 1 ).

7). The base (10) of any one of claims from 4 to 6, characterised in that it comprises an electrical connector (14) destined to be connected to a source of electrical energy.

8). The base (10) of claim 7, characterised in that it comprises a transforming circuit (22) connected to the electrical connector (14) for transforming an alternating current into a direct current and for applying the direct current at least to the electrical contacts (19).

9) . The base (10) of any one of claims from 4 to 8, characterised in that each electrical contact (19) is electrically supplied by means of a distributing channel (23) on which a switch (24) and a current sensor (25) are located in series.

10) . The base (10) of claim 9, characterised in that the current sensors (25) are connected to a control circuit (26), which is programmed such as to open a switch (24) if the current detected by the relative current sensor (25) exceeds a limit value.

1 1 ) . The base (10) of claim 10, characterised in that it comprises a sensor (28) destined to detect a presence of an unblocking key (27) in a predetermined position with respect to the sensor (28), and in that the control circuit (26) is programmed such as to open the switches (24) if the electrical connector (14) is separated from the electrical energy source and such as to kept the switches (24) open up to when the sensor (28) detects the unblocking key (27).

12) . The base (10) of claim 10, characterised in that it comprises an electronic card (21 ) on which the electrical contacts (19), the transforming circuit (22) and the control circuit (26) are integrated. 13) . The base (10) of claim 9, characterised in that it comprises at least two electronic cards connected to one another, including a main electronic card (30) on which the transforming circuit (22) and the control circuit are integrated, and a further electronic card (31 ) on which the electrical contacts (19) are integrated.

14) . A system (100) for supplying electrical and/or electronic devices, comprising a supply base (10) according to any one of claims from 4 to 13, and at least a connecting module (50) according to any one of claims from 1 to 3, inserted internally of a housing (18) of the supply base (10).

15). The system (100) of claim 14, characterised in that the connectors (53) of at least two connecting modules (50) associated to the supply base (10) are different.