Automotive vehicle connection system protecting at least one connection zone.

Abstract

Title of the invention: Connection system for a motor vehicle protecting at least one connection zone. The present invention relates to a connection system (24) comprising a body (26) having a first connection zone (28) and a second connection zone (30) distinct from each other, the connection system (24) comprising at least one flap (34) configured to assume at least one configuration in which the flap (34) prohibits access to at least one of said connection zones (28, 30), the connection system (24) comprising a valve (40) that controls the configuration of the flap (34), the valve (40) being capable of assuming a first position in which the flap (34) is in a first configuration prohibiting an electrical connection and a second position in which the flap (34) is in a second configuration permitting an electrical connection. (Figure 4)

Description

Title of the invention: Connection system for motor vehicles protecting at least one connection area.

[0001] The present invention relates to the field of electric charging systems, and more particularly to such electric charging systems for electric or hybrid vehicles.

[0002] Electric or hybrid vehicles are vehicles capable of transporting passengers and / or goods. These vehicles include an electric motor capable of converting electrical energy stored in energy storage equipment, such as batteries, into mechanical energy capable of setting the vehicle in motion, for example by rotating the vehicle's wheels.

[0003] During vehicle operation, the energy stored in the batteries decreases, and the batteries then need to be recharged by the user. Charging equipment, such as wallboxes, allows the vehicle's batteries to be recharged. This charging equipment may include a charging cable designed to connect to a vehicle connection system for recharging the batteries.

[0004] According to various standards, such as NF C61-314, and to protect the user from the risk of electric shock, these connection systems include a sealing device at the connection points intended to be connected to a charging cable terminal. This sealing device protects the user from the risk of electric shock by preventing contact with the connection points and also protects the connection points from the risk of oxidation.

[0005] Existing solutions are unsatisfactory because they require the user to first remove the locking device and then connect the charging equipment to their vehicle's charging system. This requires the user to hold the locking device with one hand and connect the charging equipment with the other. This necessitates the user having both hands free, which can be inconvenient when charging their electric or hybrid vehicle.

[0006] The present invention aims to overcome at least this drawback of the prior art by means of a connection system intended to supply electrical energy to a motor vehicle, the connection system comprising a body which has a first connection zone and a second connection zone distinct from each other, at least one of said connection zones being configured to be electrically connected with at least one electrical terminal, the connection system includes at least one shutter configured to take at least one configuration in which the shutter prohibits access to at least one of said connection zones, the connection system includes a flap that controls the configuration of the flap, the flap being capable of taking a first position in which the flap is in a first configuration prohibiting a connection between the connection zone and the electrical terminal and a second position in which the flap is in a second configuration permitting a connection between said connection zone and the electrical terminal.

[0007] The first connection zone and the second connection zone each comprise complementary connection pins of the electrical terminal. In other words, the connection system forms a female socket into which the electrical terminal, which is a male plug, is inserted to allow an electrical connection between the connection system and a charging socket comprising said electrical terminal. It is understood that the electrical terminal is a connector of a charging socket intended to connect electrically with a connection pin.

[0008] The flap is capable of moving between its first and second configurations, such that, depending on the configuration in which the flap is located, the electrical terminal can be inserted into said connection zone or the electrical terminal cannot be inserted into said connection zone, being blocked by the flap. The blocking of the electrical terminal's insertion into one of said connection pins of the connection zone is achieved by the flap coming against the abutment, which is then interposed between the electrical terminal and the connection zone.

[0009] It is understood that in the first configuration of the shutter, the insertion of the electrical terminal into the connection area is prohibited by the shutter.

[0010] According to one feature of the invention, the first connection zone is an alternating current power supply zone and the second connection zone is a direct current power supply zone. It is understood that the connection system is capable of connecting electrically to at least one type 2 connector and to a combined charging system, more commonly known as a "combo plug".

[0011] According to one feature of the invention, in the first configuration of the flap, the flap is opposite the DC power supply area. In this first configuration of the flap, the flap is opposite the second connection area. In this configuration of the flap, the insertion of an electrical terminal into the second connection area is prevented by the flap, which is interposed between the electrical terminal and the second connection area.

[0012] According to one feature of the invention, the flap is opposite the connection zone when said flap is in its first configuration, and the flap is offset from said connection zone when said flap is in its second configuration. It is understood that "offset" means that the flap is not opposite the connection zone in such a way that the electrical connection between the connection zone and the electrical terminal is possible. In other words, the flap moves so as not to obstruct the space in front of the connection zone.

[0013] More specifically, the flap is offset in a distinct area from the projection of the connection area, said projection being defined along the connection pins of the connection area. The flap is therefore offset relative to the projection of the connection pins along an axis along which at least one of said connection pins extends.

[0014] According to one feature of the invention, the shutter is configured to translate along a translation axis. The translation of the shutter allows it to move from its first configuration to its second configuration and vice versa. It is understood that the change in the shutter's configuration is not effected by a rotation of the shutter around a rotation axis. In other words, the shutter moves from its first configuration to its second configuration and from its second configuration back to its first configuration while remaining in the same plane.

[0015] According to one feature of the invention, the flap is adapted to move the shutter in translation along said axis of translation. Actuating the flap sets the shutter in motion so as to clear the space in front of a connection zone. The flap is actuated by bringing the load-bearing element, comprising at least one electrical terminal designed to connect electrically to the connection zone, close to the connection zone. As the load-bearing element approaches the connection zone, the flap is actuated and the shutter moves progressively from its first configuration to its second configuration.

[0016] According to one feature of the invention, the flap translates along at least one guide element carried by the body and extending along a straight line intersecting a direction of extension of a connecting pin of the connection zone. This connecting pin constitutes a connection zone opposite the flap when the flap is in its first configuration.

[0017] According to one feature of the invention, the guide element extends partially through the flap. This feature allows the flap to translate along the guide element. It is understood that the flap is connected to the guide element and movable in translation relative to it. It should be noted that the flap is meant to be connected to the guide element in the sense that the flap cannot be separated from it.

[0018] According to one feature of the invention, the connection system comprises two guide elements arranged on either side of the first connection zone and the second connection zone. Such an arrangement of the guide elements makes it possible to eliminate degrees of freedom of the flap, and in particular to prevent the flap from rotating about an axis of rotation or a point of rotation.

[0019] According to one feature of the invention, the valve is rotationally movable between its first position and its second position around an axis of rotation.

[0020] According to one feature of the invention, the axis of rotation of the flap intersects the axis of translation of the flap. This axis of rotation is perpendicular to the axis of translation of the flap.

[0021] According to one feature of the invention, the flap extends opposite the shutter when said flap is in its first position. It is understood that the arrangement of the flap opposite the shutter means that the flap is also opposite a connection area. When the user wishes to insert the charging plug into the connection system, a portion of the charging plug naturally comes into contact with the flap. Furthermore, as the charging plug is inserted further, the flap is rotated about the axis of rotation so as to move the shutter from its first configuration to its second configuration.

[0022] According to one feature of the invention, the flap comprises at least one arm having an end connected to the flap.

[0023] According to one feature of the invention, the end of the arm and the flap are connected by a sliding joint. The flap arm includes a slot and is fixed to the flap at a pin. The pin is able to move within the slot when the flap is rotated. It is understood that the pin of the flap and the slot of the flap arm are the constituent elements of the sliding joint.

[0024] According to one feature of the invention, the valve comprises at least one stop that comes into contact with the body of the connection system when the valve is in its second position. This stop limits the translation of the flap along the axis of translation. It is understood that when the stop of the flap comes into contact with the body, the flap is in its second configuration and the valve is in its second position.

[0025] According to one feature of the invention, the connection system includes at least one return element configured to return the valve from its second position to its first position.

[0026] According to one feature of the invention, the return member is centered on the axis of rotation of the valve.

[0027] According to a feature of the invention, the return member is in contact at least with the body and the valve.

[0028] The return element is a torsion spring comprising a wound portion centered on the axis of rotation of the valve and two portions tangent to the wound portion. One of the portions tangent to the wound portion is in contact with the valve and the other is in contact with the body of the connection system.

[0029] The return of the flap from its second configuration to its first configuration is controlled by the return of the flap from its second position to its first position.

[0030] The invention also relates to a connection assembly comprising a charging socket and a connection system conforming to any one of the preceding characteristics, the charging socket being intended to connect electrically with the connection system, the shutter being opposite one of said connection zones when said shutter is in its first configuration and the shutter being offset from said connection zone when said shutter is in its second configuration, the charging socket being electrically connected with the connection system when the shutter is in its second configuration and the charging socket being electrically disconnected from the connection system when the shutter is in its first configuration.

[0031] The electrical connection between the charging socket and the connection system is made by plugging the charging socket into the connection system, that is, by inserting the charging socket into the connection system. For this purpose, the connection system is complementary to the charging socket to allow such insertion.

[0032] When the shutter is in first configuration, the charging socket cannot connect electrically with the connection system, the charging socket is then disconnected from the connection system.

[0033] Other features, details and advantages of the invention will become clearer upon reading the following description on the one hand, and several illustrative and non-limiting examples of embodiments given with reference to the accompanying schematic drawings on the other hand, in which:

[0034] [Fig-1] represents a general view of a charging socket intended to connect with a connection system conforming to the present invention;

[0035] [Fig.2] represents a connection system according to the present invention, in which a flap is in a first configuration prohibiting an electrical connection between the charging socket represented by [Fig.1] and the connection system;

[0036] [Fig.3] represents the connection system visible on [Fig.2], in which the flap is in a second configuration allowing an electrical connection between the charging socket represented by the figure and the connection system;

[0037] [Fig.4] represents a connection assembly comprising the charging socket visible in [Fig.1] and the connection system visible in [Fig.3], the charging socket being electrically connected with the connection system;

[0038] [Fig.5] represents a bottom view of the connection system making visible return mechanisms allowing the flap to be returned from its second configuration to its second configuration.

[0039] The features, variants, and different embodiments of the invention can be combined in various ways, provided they are not incompatible or mutually exclusive. In particular, variants of the invention may be conceived comprising only a selection of features, described hereafter in isolation from the other described features, if this selection of features is sufficient to confer a technical advantage or to differentiate the invention from the prior art.

[0040] In the figures, the elements common to several figures retain the same reference.

[0041] Furthermore, in the following description, reference will be made to an orientation based on the Longitudinal, Vertical, and Transverse axes as arbitrarily defined by the L, V, T trihedron shown in Figures 2 to 5, the longitudinal direction corresponding to the principal elongation direction of the connection system. The choice of names for these axes does not limit the orientation that the connection system may adopt in its application.

[0042] Figure 1 illustrates a charging socket 2 intended to connect to a system of connection according to the present invention. In the embodiment shown, the charging socket 2 is a plug-in device of a charging station suitable for connection to an electric or hybrid vehicle. More specifically, the charging socket 2 is intended to connect to the connection system of an electric or hybrid vehicle in order to allow an electric current to flow from the charging station to an electrical energy storage device, such as batteries, or vice versa.

[0043] This charging socket 2 comprises a protective sheath 4 through which run a plurality of electrical cables, not shown here, connected at one end to the charging terminal and at the opposite free end to at least one electrical terminal. In the embodiment shown, the charging socket 2 comprises a first set of electrical terminals 6 and a second set of electrical terminals 8 placed side by side.

[0044] It should be noted that, in the embodiment shown, the charging socket 2 is of the CCS Combo 2 connector type; without leaving the scope of the present invention, the charging socket 2 may, for example, be of the IEC Type 2 connector type. The specificity of these connectors is well known from the prior art and will therefore not be elaborated on here.

[0045] The first set of electrical terminals 6 here comprises a proximity driver 10, a control driver 12, and an earthing 14. The second set of electrical terminals 8 comprises a positive phase connector 16 and a negative phase connector 18. It is understood that the load socket 2 is capable of delivering a direct current by means of the second set of electrical terminals 8. Alternatively, the load socket 2 may be capable of delivering an alternating current; in this case, the load socket 2 then comprises only one set of electrical terminals, here the first set of electrical terminals 6.

[0046] In addition, the protective sheath 4 is continued by a sleeve 20 extending from the free end to a stop wall 22. This stop wall 22 is intended to come into contact with a body of the vehicle connection system, which will be described in more detail in the following description, when the charging socket 2 is connected to the connection system.

[0047] Figure 2 illustrates a connection system 24 according to an embodiment of the invention. The connection system 24 extends along a main longitudinal elongation direction, i.e., parallel to the axis L. The connection system 24 comprises a body 26 within which are provided a first connection zone 28 and a second connection zone 30. The first connection zone 28 and the second connection zone 30 are superimposed relative to each other along the main longitudinal elongation direction of the connection system 24.

[0048] As shown in more detail in [Fig. 3], the first connection zone 28 and the second connection zone 30 each comprise a plurality of connection pins 31. Among the plurality of connection pins 31, the first connection zone 28 comprises a pilot pin, a proximity pin, a grounding pin, three pins suitable for conducting three-phase electrical energy, and a neutral pin. Among the plurality of connection pins 31, the second connection zone 30 comprises a positive pin and a negative pin.

[0049] Each of these connection pins 31 is complementary to an electrical terminal of the charging socket 2. More specifically, each connection pin 31 of the first connection area 28 is complementary to an electrical terminal of the first set of electrical terminals 6 and each connection pin 31 of the second connection area 8 is complementary to an electrical terminal of the second set of electrical terminals 8.

[0050] It is understood, on the one hand, that the first connection zone 28 is complementary to the first set of electrical terminals 6 and that the second connection zone 30 is complementary to the second set of electrical terminals 8. It is understood, on the other hand, that the first connection zone 28 is a zone the first is an alternating current power supply zone and the second connection zone 30 is a direct current power supply zone.

[0051] Each connecting pin 31 extends along an elongation direction perpendicular to the main elongation direction of the connection system 24. More specifically, this main elongation direction of the connecting pins 31 is parallel to the elongation direction of the complementary electrical terminals of the associated electrical terminal set.

[0052] In addition, [Fig.2] represents the connection system 24 when an electrical connection between the second connection zone 30 and the charging socket 2 is prohibited and [Fig.3] represents the connection system 24 when an electrical connection between the second connection zone 30 and the charging socket 2 is permitted.

[0053] The connection system 24 includes a cache 32 for prohibiting or allowing an electrical connection between the first connection zone 28 and the first set of electrical terminals 6 and a flap 34 for prohibiting or allowing an electrical connection between the second connection zone 30 and the second set of electrical terminals 8.

[0054] More specifically, the flap 34 is, like the cache 32, capable of taking a first configuration in which the flap 34 prohibits an electrical connection between the associated connection area, i.e. here the second connection area 30, and the set of electrical terminals associated with said connection area, i.e. here the second set of electrical terminals 8.

[0055] Furthermore, the body 26 includes legs 36 extending perpendicularly to the main longitudinal elongation direction of the connection system 24 and distributed on either side of the first connection zone 28 and the second connection zone 30. In the embodiment shown, the body 26 includes eight legs 36 distributed equally on either side of the first and second connection zones 28, 30 and aligned two by two transversely.

[0056] At least some of the legs 36, here each leg 36, comprise a through hole extending radially with respect to an axis extending secantly to the elongation direction of the connecting pins 31, and more specifically parallel to the main longitudinal elongation direction of the connection system 24. More specifically, the holes of the legs 36 distributed on the same side of the first connection zone 28 and the second connection zone 30 are centered around the same axis such that a guide element 38 can be carried by the body 26 by passing through the legs 36 by means of said holes.

[0057] It is understood that the guide element 38 extends parallel to the axis with respect to which the lug holes 36 are centered. In other words, the guide element 38 extends along a straight line secant to the elongation direction of a connection pin 31 of the connection area 28, 30.

[0058] In the embodiment shown, the connection system 24 comprises two guide elements 38 distributed on either side of the first connection zone 28 and the second connection zone 30.

[0059] Furthermore, the cover 32 and the flap 34 are linked to at least one guide element 38 and movable relative to said guide element 38. More specifically, the flap 34 includes a passage extending in the material of the flap 34 parallel to the line along which said guide element 38 extends. This passage allows the guide element 38 to pass through the flap 34 and thus the flap 34 to be linked to the guide element 38. The cover 32 also includes a passage through which a guide element 38 extends.

[0060] Opposite each end of the opening in the flap 34 is a tab 36, distinct from one another. These tabs 36 are arranged at a distance from each other equal to at least twice the length of the opening in the flap 34 and equal to at least the dimension of the connection area 30, arranged opposite the flap 34, along the main longitudinal elongation direction of the connection system 24.

[0061] This arrangement of the legs 36 allows the flap 34 to be able to translate along the guide element 38, and more specifically allows the flap 34 to be able to take a first configuration in which the flap 34 is opposite the connection zone 30 and a second configuration in which the flap 34 is offset from said connection zone 30 in a direction parallel to the line along which a guide element 38 extends.

[0062] In the embodiment shown, the flap 34 is linked, as previously described, to two guide elements 38 arranged on either side of the first connection zone 28 and the second connection zone 30. It is understood that, in the embodiment shown, the flap 34 is only able to translate along the guide elements 38.

[0063] In the illustrated embodiment, the cover 32 also includes a passage through which a guide element 38 extends. The cover 32 is connected to a single guide element 38. Similar to the passage in the flap 34, each end of the passage in the cover 32 is opposite a separate tab 36 when the cover 32 is in its initial configuration. However, the distance measured along the line along which the guide element 38 extends between these tabs 36 is just greater than the length of the passage in the cover 32. As a result, the cover 32 is constrained between the two tabs 36. In other words, the cover 32 cannot translate along the guide element 38, although a slight translation resulting from manufacturing tolerances and a distance limiting friction forces between the cover 32 and the tabs 36 may be possible.

[0064] The end opposite said passage of the cover 32, that is to say the end located at the level of the other guide element 38, includes a half-passage adapted to come reversibly into contact with the guide element 38. Such a conformation of the cover 32 allows it to be mobile in rotation around the guide element 38 passing through the passage.

[0065] A cross-examination of [Fig.2] and [Fig.3] reveals that the dimensions of the flap 34 are advantageously designed to be complementary to the dimensions of the second connection zone 30. Similarly, the dimensions of the cover 32 are designed to be complementary to the dimensions of the first connection zone 28.

[0066] It should be noted that the proximal part of the flap 34 of the first connection zone 28 has a circular recess to allow an electrical terminal to be inserted into the first connection zone 28 when the flap 34 is opposite the second connection zone 30. It should also be noted that when the cover 32 is opposite the first connection zone 28 and the flap 34 is opposite the second connection zone 30, a part of the cover 32 is opposite the circular recess of the flap 34.

[0067] In addition, the connection system 24 includes a flap 40 extending transversely over the entire transverse dimension of the flap 34 and opposite the flap 34. This flap 40 allows the control of the flap 34 and more specifically the configuration of this flap 34.

[0068] For this purpose, the flap 40 comprises at least one arm 42, one end of which is connected to the flap 34. In the embodiment shown, the flap 40 comprises two arms 42 distributed at the transverse ends of the flap 40. It is understood that, in the embodiment shown, each arm 42 is connected to a distinct and opposite side of the flap 34.

[0069] At this end of an arm 42 of the flap 40, a pin 44 of the flap 34 slides in a slot 46 provided in said end of the arm 42 so that the pin 44 is able to move in the slot 46. This pin 44 protrudes from the wall of the flap 34, defining a passage within which the guide element 38 extends. It is understood that the flap 40 and the flap 34 are linked to each other by a sliding connection, which will be described in more detail in the following description.

[0070] The valve 40 is movable in rotation about a rotation axis 48 extending transversely, that is to say perpendicular to the main longitudinal elongation direction of the connection system 24 and perpendicular to the elongation direction of the connection pins 31. More specifically, the body 26 comprises a portion 50 extending along a direction intersecting the main longitudinal direction of the connection system 24. This portion 50 of the body 26 carries a shaft 52 around which the valve 40 is rotatable. It is understood that the shaft 52 is coaxial with the axis of rotation 48. Furthermore, this shaft 52 makes the valve 40 fixed to the portion 50 and thus to the body 26.

[0071] The valve 40 includes guide flanges 54 arranged at the transverse ends of the valve 40, at least one arm 42 being integral with a guide flange 54. The guide flanges 54 make it possible to limit a potential pivoting of the valve 40 distinct from the rotation about the axis of rotation 48.

[0072] As can be seen in [Fig.2], the flap 34 is, like the cover 32, in a first configuration in which the flap 34 prohibits an electrical connection between the second connection zone 30 and the second set of electrical terminals 8.

[0073] As can be seen in [Fig.3], the flap 34 is, like the cover 32, in a second configuration in which the flap 34 allows an electrical connection between the second connection zone 30 and the second set of electrical terminals 8.

[0074] The change in configuration of the flap 34 is, as previously mentioned, controlled by the valve 40. More precisely, the valve 40 is able to take a first position, visible in [Fig.2], in which the flap 34 is in its first configuration and a second position, visible in [Fig.3], in which the flap 34 is in its second configuration.

[0075] As illustrated in more detail in [Fig.4] of a connection assembly 49 formed by the load socket 2 and the connection system 24, the change in position of the valve 40 is modulated by the connection or disconnection of the load socket 2 with respect to the connection system 24.

[0076] More specifically, in the embodiment shown, when a load socket 2 comprising a second set of electrical terminals 8 intended to connect with the second connection zone 30 is inserted, a portion of this second electrical terminal 8 comes into contact with the flap 40, which is in its first position. As the second electrical terminal 8 is inserted into the second connection zone 30, the flap 40 is rotated about the axis of rotation 48 and gradually moves from its first position to its second position. In moving from its first position to its second position, the arms 42 carry the pins 44 with them, and the flap 34 translates along the guide elements 38, thus moving from its first configuration to its second configuration.

[0077] It is also understood that the movement of the pins 44 in the slot 44 of the associated arm 42 makes it possible to take into account the constraint exerted by the arm 42 on the pin 44, in particular the difference in position related to the translation of the flap 34 and the rotation of the arms 42.

[0078] It should be noted that in the case of a charging socket lacking the second set of electrical terminals 8, the flap 40 would not be actuated by this charging socket when the latter is electrically connected to the connection system 24. Indeed, such a charging socket comprises only the first set of electrical terminals 6; no second set of electrical terminals 8 would come into contact with the flap 40 to actuate the flap 34. In other words, when such a charging socket is electrically connected to the connection system 24, the flap 40 would remain in its first position and therefore the flap 34 would remain in its first configuration.

[0079] In addition, the valve 40 includes stops 56 which, when the valve 40 is in its second position, come into contact with the portion 50 of the body 26 carrying the shaft 52.

[0080] By removing the second set of electrical terminals 8 from the second connection zone 30, at least one return member 58, here two return members 58 visible on the [Fig.5], allows the flap 40 to be returned from its second position to its first position, thus returning the flap 34 from its second configuration to its first configuration.

[0081] The return members 58 surround the shaft 52 and are in contact with the body 26, and more specifically with the portion 50 of the body 26 carrying the shaft 52, and the flap 34. In the embodiment shown, the return members 58 are torsion springs surrounding the shaft 52 in a helical fashion with salient elements going into contact with the flap 34 and the body 26.

[0082] It should be noted that in an alternative embodiment of the invention, the flap 34 and the valve 40 can also be associated with the first connection zone 28, operating in a manner similar to that described above. Furthermore, in another alternative embodiment of the invention, the connection system 24 can comprise two flaps 34, each controlled by a separate valve 40. One flap 34 is then associated with the first connection zone 28 and the other flap 34 is associated with the second connection zone 30.

[0083] It appears from the preceding description that the invention achieves the goal it set for itself by proposing a connection system capable of prohibiting or authorizing an electrical connection whose operation allows the use of a single hand during charging.

[0084] The invention as just described cannot, however, be limited to the means and configurations exclusively described and illustrated, and also applies to all equivalent means or configurations and to any combination of such means or configurations.

Claims

Demands

1. A connection system (24) for supplying electrical power to a motor vehicle, the connection system (24) comprising a body (26) having a first connection zone (28) and a second connection zone (30) distinct from each other, at least one of said connection zones (28, 30) being configured to be electrically connected with at least one electrical terminal (6, 8), the connection system (24) comprising at least one flap (34) configured to assume at least one configuration in which the flap (34) prohibits access to at least one of said connection zones (28, 30), the connection system (24) comprising a valve (40) that controls the configuration of the flap (34), the valve (40) being capable of assuming a first position in which the flap (34) is in a first configuration prohibiting a connection between the connection zone (28,30) and the electrical terminal (8) and a second position in which the flap (34) is in a second configuration allowing a connection between said connection zone (28, 30) and the electrical terminal (8), characterized in that the flap (34) is configured to translate along a translation axis.

2. Connection system (24) according to the preceding claim, wherein the first connection area (28) is an alternating current power supply area and the second connection area (30) is a direct current power supply area.

3. Connection system (24) according to the preceding claim, wherein in the first configuration of the flap (34), the flap (34) is opposite the area of ​​direct current power supply.

4. Connection system (24) according to any one of the preceding claims, wherein the flap (34) is opposite the connection area (28, 30) when said flap (34) is in its first configuration and the flap (34) is offset from said connection area (28, 30) when said flap (34) is in its second configuration.

5. Connection system (24) according to any one of the preceding claims, wherein the flap (40) is capable of driving the flap (34) in translation along said axis of translation.

6. Connection system (24) according to any one of the preceding claims, wherein the flap (34) translates along at least one guide element (38) carried by the body (26) and extending along a straight line secant to an elongation direction of a connection pin (31) of the connection area (28, 30).

7. Connection system (24) according to any one of the preceding claims, wherein the valve (40) is rotationally movable between its first position and its second position about an axis of rotation (48).

8. Connection system according to the preceding claim, wherein the axis of rotation of the flap (40) is intersecting the axis of translation of the flap (34).

9. Connection system (24) according to any one of the preceding claims, wherein the flap (40) extends opposite the flap (34) when said flap (40) is in its first position.

10. Connection system (24) according to any one of the preceding claims, wherein the flap (40) comprises at least one arm (42) having an end connected to the flap (34).

11. Connection system (24) according to the preceding claim, wherein said end of the arm (42) and the flap (34) are connected by a sliding link.

12. Connection system (24) according to any one of the preceding claims, wherein the valve (40) comprises at least one stop (56) coming into contact with the body (26) of the connection system (24) when the valve (40) is in its second position.

13. Connection system (24) according to any one of the preceding claims, comprising at least one return member (58) configured to return the valve (40) from its second position to its first position.

14. Connection assembly (49) comprising a charging socket (2) and a connection system (24) according to any one of the preceding claims, the charging socket (2) being intended to connect electrically with the connection system (24), the flap (34) being opposite one of said connection zones (28, 30) when said flap (34) is in its first configuration and the flap (34) being offset from said connection zone (28, 30) when said flap (34) is in its second configuration, the charging socket (2) being electrically connected with the connection system (24) when the shutter (34) is in its second configuration and the charging socket (2) being electrically disconnected from the connection system (24) when the shutter (34) is in its first configuration.

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