DE102015102839A1 - tank module - Google Patents

Abstract

The invention relates to a tank module (1) of a vehicle having at least one tank cover (3), in particular a tank flap, and a filler neck (5), in particular a charging socket or a filler pipe.

Description

The invention relates to a tank module of a vehicle having at least one tank cover, in particular a fuel filler flap, and a filler neck, in particular a charging socket or a filler pipe.

Tank modules are known from the prior art, which include a fuel filler flap and a filler neck. For example, vehicles have a radio remote control with which a locking unit assigned to the tank module can be operated. If a user operates this remote control, the central door unlocks the fuel filler flap and makes it accessible to a user.

Particularly in electric vehicles, there is a desire to separately unlock or lock the fuel door to charge the electric vehicle with a charging plug. Unlocking the entire vehicle, especially the doors, is not always desirable, especially when the vehicle has to be recharged after a longer service life. Furthermore, the car sharing does not require a radio key, so that with the aid of a personalized NFC tag, an identification code for vehicle authorization is exchanged with a vehicle-side reader. The tag is held to an NFC reader located behind the windscreen. The disadvantage is that the user has to go to the charging wheel and then to the tank module for charging the electric vehicle and for using the tank module first. The user can not go directly to the tank module, for example, to unlock the fuel filler flap. First, the tank flap unlocking process must be performed using the NFC reader located on the windscreen. This restricts the comfort for the user and the charging process is unnecessarily prolonged.

Therefore, the object of the present invention is to provide a tank module which has improved comfort for a user.

The object is achieved in that the tank module is assigned an NFC communication unit, wherein the NFC communication unit comprises a passive NFC element, in particular a tag, having a passive coil, and wherein the NFC communication unit is an active NFC element, in particular a Reader, comprising at least one active coil and an active electronics unit comprises, and at least the active coil or the passive coil on the tank module, in particular within or on the tank cover or inside or on the filler neck, arranged, or, wherein at least the active coil or the passive coil within or at a the body module adjacent the body portion of the body, in particular on a Karosseriehaut is arranged, wherein the active NFC element is connected to a control device, in particular vehicle-mounted control unit, wherein by means of the control device between the passive NFC element and the active NFC element a query an identification nscodes is feasible, and after a positive examination of the identification code between the passive NFC element and the active NFC element, an activation unit, in particular a locking unit, is controlled, which the user access to operate the tank module.

The measure considerably improves the comfort for the user, because the user can now go directly to the tank module directly and without any detours in order to gain access to use the tank module. For example, if the user wishes to plug a charging plug into a charging socket of his electric vehicle, he may directly place his tag at the appropriate location on the tank module or at the appropriate location of a body portion of the body on which the NFC communication unit is located. This unlocks the fuel filler flap and gives the user immediate, comfortable, quick and safe access to the fuel filler neck. A further advantageous possibility arises when the user wants to remove a locked charging plug from the filler neck, in particular the charging socket. The user can go directly to the tank module of his vehicle even after a prolonged charging.

Subsequently, the user keeps his tag formed as a passive NFC element to the NFC element disposed on the tank module and / or to the body-mounted NFC element, thereby checking and exchanging identification data between the two NFC elements Grant user the right to remove the charging plug. In case of a positive check, the user can immediately remove the charging plug from the charging socket. It is also very advantageous that the tank cover opens only when the active coil and the passive coil are in the vicinity of a maximum of 10 cm. This prevents inadvertent deployment of the tank cover when the user passes the tank cover at a distance of more than 10 cm, for example at a distance of 20 cm.

In summary, comfort is improved by the tank module according to the invention by a faster access to the tank module. Furthermore, by using the NFC Communication unit to be dispensed with an ID-donor, which in particular car sharing increased comfort and costs are reduced. In addition, security is increased by the NFC communication unit, because the distance for exchanging data between the passive NFC element and the active NFC element is only possible at a maximum distance of 10 cm. This ensures that only the tank module is accessible only to the user who is authorized to access.

According to a preferred embodiment, it is provided that at least the active coil and the active electronics unit are arranged on a printed circuit board and the printed circuit board with the body portion and / or the tank cover and / or with the filler neck is materially and / or positively and / or positively connected. This arrangement has the advantage that the communication between the active NFC element and the passive NFC element functions reliably even after many years of use of the vehicle. Furthermore, this design ensures a compact and cost-effective NFC element.

The circuit board of the NFC element is sufficiently protected against external environmental influences, in particular against moisture and dust, when in the or on the body portion and / or in the tank cover and / or in or on the Tankabstutzen a receptacle for the arrangement of the Printed circuit board is provided and after placing the circuit board, the receptacle is shed.

According to a further embodiment of the tank module is provided that the tank cover is provided with a sealing element, wherein the sealing element is arranged on an inner side of the tank cover and the active coil or the passive coil is disposed within the sealing element, in particular in the sealing element is sealingly injected to the environment. By this measure, it is possible to protect the active coil or the passive coil, against external environmental influences in particular against moisture, dust and mechanical damage. The sealing element takes on two functions at the same time. On the one hand, the sealing element made of an elastic material, preferably rubber, protects the active or passive NFC element, in particular its copper coil, from moisture and damage, such as corrosion. The other is the sealing element for sealing the fuel filler neck. In particular, in a charging socket designed as a filler neck, this is very important to prevent short-circuiting by moisture and rattling of the lid while driving. Further, due to manufacturing tolerances on the tank cover and / or on the filler neck and / or on the body, a gap may arise between the tank cover and the filler neck. This gap is filled by the arranged on the tank cover sealing element, wherein the sealing element then advantageously serves as a means for tolerance compensation between the tank cover and / or the filler neck and / or the body. This is also important in the case of a filling pipe designed as a filler neck in order to prevent ingress of water into the fuel tank.

According to a preferred embodiment of the tank module is provided that the tank cover is provided with the sealing element, wherein the sealing element is arranged on the inside of the tank cover, wherein the active coil or the passive coil between an inner side of the tank cover and the sealing element is arranged sealingly to the environment. The advantage is that the active coil or the passive coil can be easily arranged on the inside of the tank cover, for example, can be connected by an adhesive to the tank cover, and then the sealing element is placed on the coil. Preferably, the sealing element with the not yet solidified adhesive, which has been used for applying the coil, directly connected to the coil and the tank cover. This results in a reliable attachment of the coil, which is protected against the above-mentioned external environmental influences. At the same time, the assembly time of these components is shortened.

The active coil or the passive coil is securely protected against external environmental influences if the active coil or passive coil arranged inside the body section or on the body section is encapsulated in a sealing manner with respect to the surroundings.

The tank cover is easy, reliable and easy to operate for a user when the tank cover has a hinge with a pin which serves to pivotally support the hinge.

According to a preferred embodiment of the tank module is provided that the hinge is substantially U-shaped and is arranged at one end of the U-shaped hinge of the pins for pivotal mounting, wherein the pin is formed as a hollow cylinder and for receiving, in particular for winding which serves active coil or passive coil. By this arrangement, it is possible to safely guide the arranged on the tank cover coil behind the invisible for a standing in front of the vehicle body section, without the repeated operation of the tank cover, in particular the Tank flap, the coil, in particular the wires formed of copper break. This significantly prolongs the life and functionality of the NFC communication unit.

According to a further preferred embodiment of the tank module is provided that the active coil or the passive coil is at least partially surrounded by a, in particular flexible, jacket and the active coil or the passive coil is led out at the end of the U-shaped portion and the active coil or passive coil to the pin is wound and the wound portion of the active coil or the passive coil is at least partially or completely surrounded by the flexible material of the shell. By this measure it is ensured that the passive coil or the active coil is protected even when acting on the coil tensile load or compressive load, which occurs during the opening or closing operation of the tank cover by the pivoting of the tank cover. In particular, in the region of the pin, in which the coil is subjected to a bending stress, the flexible material formed of rubber or plastic, which surrounds and protects the wires in this region of the coil prevents the coil from breaking. The life of the coil is thereby substantially increased.

The tank module, in particular the fuel filler flap and a filler neck or charging plug designed as a refueling device, can be locked and unlocked safely and easily when the locking unit, which is designed as an activation unit, is assigned to the tank module with a locking element, in particular a locking bolt Inquiry of the identification code, in particular the vehicle authorization, its opening state or closing state changed.

The tank module is designed to be very safe and comfortable when the locking element locks or unlocks the tank cover and / or a refueling device, in particular a charging plug or a tank trunk, wherein the locking element in the locked state into an opening or recess formed in the tank cover and / or refueling device is mechanically or electromechanically movable. The drive for the locking unit, in particular for the locking bolt, is designed as an electric drive. It is an electric motor having a gear which is in operative connection with the locking bolt. The locking bolt may also be connected to a mechanical drive that is manually operable by a user. The locking bolt may also be provided with an emergency release. In this case, the locking bolt is connected to a rope-shaped wire, wherein the wire can be pulled by a user to pull the bolt manually from the opening or recess of the tank cover or refueling device. This unlocking takes place, for example, when the electric motor fails due to a technical error or the vehicle battery is completely discharged.

According to a preferred embodiment, it is provided that after insertion of the refueling device into the filler neck, the locking element after a predetermined period in the recess or the opening of the tank cover and / or refueling device, in particular by a motor electric drive unit, in particular an electric motor, is moved.

By this measure, the comfort for the user is further improved.

According to a further preferred embodiment of the tank module is provided that after or before or during refueling using the NFC communication unit, the verification of the identification code is performed to move the locking element from the recess or opening of the tank cover or refueling, in particular the Fueling device to unlock. This measure ensures that only the authorized user can operate the tank module. The NFC communication unit, which requires a maximum distance between the passive NFC element and the active NFC element of a maximum of 10 cm, thereby increasing the security, because a catching and cracking of the code from a distance of more than 10 cm is impossible.

The use of the NFC communication unit is made easier for the user if an NFC symbol is arranged on the tank module or on the body section, preferably in the area which is responsible for the arrangement for the NFC communication unit, in particular the active NFC element or passive NFC element, is provided. The user sees the NFC icon and then knows exactly where to place or hold the passive NFC element or active NEC element to enable communication between the two NFC elements. In the event of a missing NFC symbol, due to the maximum permissible distance of 10 cm between the active NFC element, which is for example arranged on the motor vehicle, and the passive NFC element which, for example, the user wears, in extreme cases the user would pass the passive NEC several times Element to an incorrect position on the vehicle, in particular to hold a wrong position on the body.

According to a further preferred embodiment of the tank module is provided that the tank cover and / or the body is provided with a Metalliclackierung. It is well known and there is a prejudice that metals fundamentally interfere with NEC communication, especially when there is a metal layer between the active and passive NFC elements. Surprisingly, it has been shown that NFC communication is possible even if a metallic finish is provided between the active NFC element and the passive NEC element. This metallic coating has a layer thickness of preferably 80 .mu.m to 150 .mu.m.

Metallic paints use metallic effect pigments comprising special platelet metal pigments. The pigments are preferably formed of aluminum and / or brass. Nevertheless, communication between the passive and the active NFC element is possible. Particularly advantageous is a locking unit for a tank module with at least one of the above features.

According to a further preferred embodiment, it is provided that the tank module that the tank cover and / or the body is chrome-plated, wherein a lacquer layer of Metalliclackierung has a layer thickness of 8 microns to 16 microns, wherein the proportion of aluminum flakes in the metallic paint at 4% to 10% in normal water-based Metalliclackierung lies. Thus, advantageously, a signal can also be evaluated which would normally be scattered by a chromium layer. The signal is detected reliably in such a metallic finish.

Further advantages, features and details of the invention will become apparent from the following description in which several embodiments of the invention are described in detail with reference to the drawings. The features mentioned in the claims and in the description may each be essential to the invention individually or in any desired combination.

Show it:

1 a arranged in a body tank module according to a first embodiment in a perspective view from the front, and

2a the tank module according to the first embodiment with a tank cover according to a first alternative in a perspective view from the side, and

2 B the tank cover according to the first alternative in a view from below, and

2c the tank cover according to the first alternative in a view from the rear, and

3a the tank module according to the first embodiment with a tank cover according to a second alternative in a perspective view from the side, and

3b the tank cover according to the second alternative in a view from below, and

3c the tank cover according to the second alternative in a view from the rear, and

3d the tank cover according to the second alternative in a sectional view taken along the line BB in 3c , and

3d the tank cover according to the second alternative in a sectional view taken along the line CC in 3c , and

4a the tank module according to the first embodiment with a tank cover according to a third alternative in a perspective view from the side, and

4b the tank cover according to the third alternative in a view from below, and

4c the tank cover according to the third alternative in a view from the rear, and

5a the tank module according to the first embodiment in a rear perspective view, and

5b an enlarged detail of a hinge of the tank module according to the first embodiment,

6 a arranged in a body tank module according to a second embodiment in a perspective view from the front, and

7 the tank module with an open tank cover according to the second embodiment in a perspective view from the front, and

8th the tank module according to the second embodiment in a perspective view from the back, and

In the 1 is a tank module 1 for a vehicle, in particular for an electric vehicle, shown in a bodywork 2 comprising a bodywork of a vehicle, not shown, is arranged. In all 1 - 8th is the body 2 a component of the tank module 1 , The tank module 1 comprising the bodywork 2 will not work in the installed closer to the overall body of the vehicle. For this purpose, an opening or recess should be provided in the overall vehicle body, the size of the body 2 equivalent.

It is also alternatively conceivable that in the 1 to 8th shown body 2 not part of the tank module 1 is. In this case, then in the 1 to 8th shown body 2 then even the overall body of the vehicle. Furthermore, the tank cover 3 and the bodywork 2 provided with a metallic paint.

Like in the 1 visualized very well, the tank module comprises a tank cover designed as a fuel filler flap 3 , Next to the tank cover 3 is an NFC symbol 4 arranged, which will be discussed further below. The tank module 1 includes at least the tank cover 3 and a charging socket formed as a fuel filler neck 5 , Alternatively, the tank module according to the invention 1 also designed as a filler neck filler neck 5 exhibit. In this case, the filler pipe is used for fueling a fuel tank with a liquid fuel, in particular with gasoline.

In the 2a . 3a . 4a and 5a is formed as an activation unit locking unit 6 shown, which comprises a locking member not shown in detail as a locking bolt formed. The locking element is used for unlocking or locking the tank cover 3 when the tank cover 3 is in a closed or open operating state. In this case, the locking bolt with the help of one in the locking unit 6 arranged electric motor 22 in one in the tank cover 3 trained opening 7 Electromechanically moved in or out. The opening 7 is on a finger formed substantially perpendicular to an inside of the tank cover 20 arranged, which integral with the tank cover 3 connected is. The finger 20 emerges when the tank cover is locked 3 in one on the tank neck 5 or alternatively in one on the body 2 arranged opening not shown in detail. At the same time the locking element is also used for locking a plugged into the charging socket designed as refueling charging plug.

In this case, the locking bolt using the in the locking unit 6 arranged electric motor 22 moved electromechanically. During the locking process, the locking bolt initially passes through a filler neck opening 8th which, for example, in the 8th is shown, and then penetrates into an opening formed in the refueling device or recess. This prevents unauthorized persons from gaining access to the charging plug. It should be noted only briefly that the filler neck opening 8th in each of the embodiments of the 1 to 8th is present, even if it is not explicitly shown.

The movement of the locking bolt can also be done mechanically by the locking bolt is connected to a wire that is manually operated by a user as an emergency release. By means of the locking unit 6 In the locked state, when the locking bolt is in the recess or opening, it is ensured that the charging plug can not be unintentionally pulled out of the charging socket when the current flows. Likewise, the locking unit acts as aft protection for the charging plug when the user is unattended during several hours of charging by the user.

As previously described, are by the locking unit 6 two operating states controllable, namely the unlock state and the lock state. When unlocked, the locking pin is outside the opening 7 the tank cover 3 or the refueling device. When locked, the locking bolt is in the recess of the tank cover 3 arranged. Is the locking unit located 6 in a lock state, a user who wants to perform a refueling operation must have the lock unit 6 in an unlocking state, so that the locking bolt from the opening 7 the tank cover 3 is moved out.

In order to change the operating state of the locking unit, an NFC communication unit is used, which is the tank module 1 assigned. The NFC communication unit includes an active NFC element 9 and a passive, NFC element 10 , The passive NFC element 10 which is a passive coil 11 is formed as a mobile tag, which is worn by a user of the vehicle. The active NFC element 9 which is an active coil 12 and an active electronics unit 13 is formed as a reader, which is arranged in this case in or on the vehicle. The active NFC element 9 is with a vehicle-mounted control unit 14 connected, wherein by means of the control device 14 between the passive NFC element 10 and the active NFC element 9 a query of an identification code is feasible and after a positive check of the identification code between the passive NFC element 10 and the active NFC element 9 the activation unit, in particular the locking unit 6 , controllable which is the user to operate the tank module 1 authorized to access.

In the 2a - 2c . 3a - 3e and 4a - 4c Three alternatives are shown, such as the active coil 12 can be arranged in the tank cover. First, on the 2a - 2c discussed in more detail. In the 2a is the active coil 12 on the tank cover 3 arranged. The tank cover 3 is with a sealing element 15 provided, wherein the sealing element 15 on the inside of the tank cover 3 is arranged.

The active coil 12 is three times around the sealing element 15 for sealing the fuel filler neck 5 wrapped, because such a stable hold of the active coil 12 on the cone 17 is ensured. The fuel tank flap designed as a tank cover 5 has a hinge 16 on, which is integrally connected to the plate-shaped tank flap. The hinge 16 again has a pin 17 on, which serves for the pivotable mounting of the fuel filler flap. The hinge 16 is formed substantially U-shaped. At one end of the U-shaped hinge is the pin 17 arranged for pivotal mounting of the fuel filler flap, wherein the pin 17 is designed as a hollow cylinder and for receiving, in particular for winding, the active coil 12 serves.

In all three alternatives the 2a - 2c . 3a - 3e and 4a - 4c is the active coil 12 at least partially of a flexible jacket 18 surround. The active coil 12 will be at the end of the U-shaped section of the hinge 16 led out and around the pin 17 is wound. The wound section of the active coil 12 is partly from the flexible material of the jacket 18 surround. This affects the around the pin 17 wound active coil 12 When moving or pivoting the fuel filler flap, a strain relief, reducing the life of the active coil 12 is extended considerably. Premature breakage of the active coil 12 is thereby advantageously prevented.

The active coil 12 has two cable ends at its end 19 on that with the active electronics unit 13 are connected. The active electronics unit 13 is again with a vehicle-mounted control unit 14 connected to the electric motor 22 controls.

The active electronics unit 13 and the controller 14 could of course also be arranged in a single controller.

In the 3a - 3e is the tank module 1 with an alternative embodiment of a tank cover 3 visualized. In the following, only the differences from the embodiment of the tank cover 3 represented in the 2a - 2c received. In this variant, the active coil 12 also around the sealing element 15 arranged, however, after arrangement of the active coil 12 on the inside of the tank cover 3 this overmoulded. This forms a trained as a bead thrower 21 on the inside of the tank cover 3 in which the active coil 12 is embedded. The throwing ring 21 could also be inside the tank cover 3 be arranged and plan with a surface of the inside of the tank cover 3 be educated. The result is a safe arrangement of the active coil 12 , which is protected for environmental influences, such as water, dust and dirt, as in 3a is shown. Further, also the portion of the active coil 12 which is in the hinge 16 is arranged, completely embedded. Also this section of the active coil 12 was later umspritzt. This is the active coil for a user 12 no longer visible, so the design of the tank module 1 is further improved.

In the 4a - 4c is the tank module 1 with a further alternative embodiment of a tank cover 3 visualized. In the following, only the differences to the embodiments of the tank cover 3 represented in the 2a - 2c and 3a - 3e received. Here is the active coil 12 or the passive coil within the sealing element 15 arranged, wherein the active coil 12 in the sealing element 15 is injected sealingly to the environment. This facilitates the assembly of the active coil 12 because in one go both the sealing element 15 as well as the active coil 12 on the inside of the tank cover 3 can be mounted.

Alternatively, the active coil could 12 between an inside of the tank cover 3 and the sealing element 15 be arranged sealing to the environment. Then first the active coil 12 similar to in 2a - 2c shown, and precisely at the point at which the sealing element 15 to be attached or glued. Thereafter, the sealing element 15 on the active coil 12 arranged, in particular glued, so that the active coil 12 completely from the sealing element 15 is covered. The result is the active coil 12 arranged sealingly to the environment and is thus protected from damage.

In the 6 . 7 and 8th is the tank module 1 disclosed according to a second embodiment. In the 6 is the tank cover 3 with an emblem 23 provided, which is at least partially formed of a metal.

In this case, it is not possible behind the emblem 23 neither an active 9 still a passive one 10 Arrange NFC element because a communication between the active coil 12 and the passive coil 11 through that on the emblem 23 arranged metal is disturbed. Therefore, the active NFC element becomes 9 next to the tank cover 3 arranged on one of the tank cover adjacent body portion. As an adjacent body section, we refer to the section, which is close to the fuel filler flap or to the tank neck 5 located.

The adjacent body section is a maximum of 20-30 cm from the fuel filler flap or filler neck 5 arranged away.

Exactly at the point where the invisible to the user from the outside active coil 12 is the NFC symbol 4 arranged. The NFC icon 4 gives the user the crucial clue, at which point he uses his as a passive NFC element 10 trained mobile tag must lead to communication between the passive NFC element 10 and the active NFC element 9 manufacture or carry out. Like in the 8th can be seen, are the active coil 12 and the electronic unit formed as a microcontroller 13 on a circuit board 24 arranged, with the circuit board to the body 2 cohesively, in particular by an adhesive connection is connected. Also a non-positive and / or positive connection of the circuit board 24 with the body 2 is conceivable. To the circuit board 24 To protect against external environmental influences, the inside of the bodywork section of the body 2 or on the bodywork section of the body 2 arranged active coil 12 be encapsulated sealing to the environment.

The following describes how a user uses the tank module 1 can use according to the first embodiment. The user performs the day having the passive coil 11 to the tank cover 3 comprising the active coil 12 approach.

When the day is in the near zone, less than or equal to 10 cm, a voltage is applied between the two coils by means of an induction process 11 . 12 and begins communication between the active NFC element 9 and the passive NFC element 10 , As part of this communication, an identification code between the active NFC element 9 and the passive NFC element 10 by means of the active electronics unit 13 and the vehicle-mounted control unit 14 checked. In a positive check, the user is authorized to access and the electric motor 22 the locking unit 6 is from the vehicle-mounted control unit 14 driven. The electric motor 22 is mechanically and / or electromechanically coupled to the locking bolt and drives the locking bolt out of the opening 7 the tank cover 3 , Thus, in a positive query of the identification code, in particular the positive verification of the vehicle authorization, the locking unit changed 6 its operating state, namely the open state or the closed state. After this process is completed, the tank cover is located 3 in the unlocked state. The user can, for example, the spring-loaded tank cover 3 open by a slight pressure. It is also conceivable that the electric motor 22 , which is responsible for moving the locking bolt, can be used simultaneously for an electromotive extension of the fuel filler flap. Then the electric motor needs 22 in addition to the hinge 16 be coupled. So then the tank flap is moved during the movement of the locking bolt simultaneously.

In a next step, the user leads the charging plug into the charging socket. Either the user holds his tag again to the reader to lock the charging plug, or after inserting the charging plug in the filler neck, the locking element after a predetermined period of time of optionally 10 to 60 seconds, in the opening 7 the tank cover 3 and the recess of the charging plug motor by the electric motor 22 emotional. The unlocking of the charging plug is then only possible with the day, which are held back to the reader, in the manner described above.

If the user wishes to remove the charging plug from the charging socket after completing the charging process or during the charging process, he must hold the tag to the reader. The access authorization of the user is then checked, just as in the unlocking of the tank cover 3 , After a positive verification of the identification code, the charging plug is replaced by the locking unit 6 unlocked by the locking bolt is moved out of the recess of the charging plug out. The user then removes the charging plug and closes the tank cover 3 so that the sealing element 15 at the tank neck 5 is applied. Either the tank cover 3 automatically locked after 10 to 60 seconds and / or the user holds his tag again to the reader to initiate the unlocking process. It may, but does not have to, re-authenticate by means of the NFC communication unit to the tank cover 3 to lock.

The features of the tank module mentioned in the description and in the claims 1 or the locking unit 6 can be combined in any order.

So can the NFC element 9 . 10 both on the body 2 as well as at the filler neck 5 or at the tank cover 3 be arranged.

Thus, the refueling device can also be designed as a fuel tank for liquid fuel such as gasoline or gas or liquefied gas, which is used in the refueling process for the fuel tank. Alternatively, the user may also have a mobile active NFC element 9 carry, which includes the reader, in which case the passive NFC element 10 is arranged in the vehicle. It is conceivable here that the reader is arranged in a mobile phone and the day at any point on the body 2 or at the filler neck 5 is glued on.

It is also conceivable the active coil 12 at the filler neck 5 to arrange. In this case, the sealing element 15 also on the tank neck 5 be arranged and the active coil 12 in or behind the sealing element 15 be arranged. Furthermore, in or on the bodywork section of the body 2 and / or in or on the tank cover 3 and / or in or on the tank neck 5 a recording for the arrangement of the circuit board 24 be provided, wherein after arranging the circuit board 24 the recording is shed. It is also possible that at least the bodywork section of the body 2 or the section of the tank module 1 , which is provided for the arrangement of the NFC communication unit, is formed of plastic, in particular of a carbon fiber reinforced plastic. Instead of the locking unit 6 the activation unit can also be designed as an electromagnet, in which case the electromagnet is switched off during a positive check of the access authorization and the spring-loaded tank cover 3 opens itself independently and if necessary independently from the level of the body 2 pivots. It is also conceivable that an RFID communication unit is used instead of an NFC communication unit. The RFID communication unit then also has a passive RFID element comprising an RFID passive coil and an active RFID element comprising a passive RFID active coil.

In principle it is possible that the tank flap could also be chrome plated. The so-called "metal cap process" is used to provide the fuel filler flap or alternatively the body with a chrome layer. This ensures that the signals are usable despite the chromium layer and the tank flap has an appealing design. For the chrome plating, "aluminum flakes" are used, which, depending on the type of lacquer, account for between 4% and 10% of the normal water-based metallic lacquer. The layer thickness of the metal-chromium layer is in a range of 8 microns to 16 microns. The proportion of flakes is about 0.5% -1.5% of the liquid volume

LIST OF REFERENCE NUMBERS

1

tank module

2

body

3

tank cover

4

NFC Icon

5

Tankstutzen

6

locking unit

7

Opening in the tank cover 3

8th

Fuel filler opening

9

active NFC element

10

passive NFC element

11

passive coil

12

active coil

13

Active electronics unit

14

vehicle-mounted control unit

15

sealing element

16

hinge

17

spigot

18

coat

19

cable ends

20

finger

21

Thrower

22

electric motor

23

emblem

24

circuit board

Claims (17)

Tank module ( 1 ) of a vehicle having at least one tank cover ( 3 ), in particular a fuel filler flap, and a filler neck ( 5 ), in particular a charging socket or a filling tube, characterized in that - the tank module ( 1 ) is assigned an NFC communication unit, - wherein the NFC communication unit is a passive NFC element ( 10 ), in particular a tag, having a passive coil ( 11 ), and wherein the NFC communication unit has an active NFC element ( 9 ), in particular a reader, comprising at least one active coil ( 12 ) and an active electronics unit ( 13 ), and at least the active coil ( 12 ) or the passive coil ( 11 ) on the tank module ( 1 ), in particular inside or on the tank cover ( 3 ) or inside or on the filler neck ( 5 ), or -, wherein at least the active coil ( 12 ) or the passive coil ( 11 ) within or at a tank module ( 1 ) adjoining bodywork section of a body ( 2 ), in particular on a bodywork, is arranged, - wherein the active NFC element with a control device ( 14 ), in particular vehicle-mounted control unit ( 14 ), - whereby by means of the control device ( 14 ) between the passive NFC element ( 11 ) and the active NFC element ( 9 ) a query of an identification code is feasible, - and after a positive check of the identification code between the passive NFC element ( 10 ) and the active NFC element ( 9 ) an activation unit ( 6 ), in particular a locking unit ( 6 ), which is accessible to the user to operate the tank module. Tank module ( 1 ) according to claim 1, characterized in that at least the active coil ( 12 ) and the active electronics unit ( 13 ) on a printed circuit board ( 24 ) are arranged and the circuit board ( 24 ) with the body section and / or the tank cover ( 3 ) and / or with the filler neck ( 5 ) is connected cohesively and / or non-positively and / or positively. Tank module ( 1 ) according to claim 1 or 2, characterized in that in the or on the body portion and / or in or on the tank cover ( 3 ) and / or in or on the tank neck ( 5 ) a receptacle for the arrangement of the printed circuit board ( 24 ) is provided and after arranging the circuit board ( 24 ) the recording is shed. Tank module ( 1 ) according to one of claims 1 to 3, characterized in that the tank cover ( 3 ) with a sealing element ( 15 ), wherein the sealing element ( 15 ) on an inside of the tank cover ( 3 ) is arranged and the active coil ( 12 ) or the passive coil ( 11 ) within the sealing element ( 15 ) is arranged, in particular in the sealing element ( 15 ) is injected sealingly to the environment. Tank module ( 1 ) according to one of claims 1 to 4, characterized in that the tank cover ( 3 ) with the sealing element ( 15 ), wherein the sealing element ( 15 ) on the inside of the tank cover ( 3 ), wherein the active coil ( 12 ) or the passive coil ( 11 ) between an inside of the tank cover ( 3 ) and the sealing element ( 15 ) is arranged sealingly to the environment. Tank module ( 1 ) according to one of claims 1 to 5, characterized in that arranged within the body portion or on the body portion active coil ( 12 ) or passive coil ( 11 ) is encapsulated sealing to the environment. Tank module ( 1 ) according to one of claims 1 to 6, characterized in that the tank cover ( 3 ) a hinge ( 16 ) with a pin ( 17 ), which is used for the pivotable mounting of the hinge ( 16 ) serves. Tank module ( 1 ) according to one of claims 1 to 7, characterized in that the hinge ( 16 ) is substantially U-shaped and at one end of the U-shaped hinge ( 16 ) the pin ( 17 ) is arranged to the pivotable mounting, wherein the pin ( 17 ) is designed as a hollow cylinder and for receiving, in particular for winding, the active coil ( 12 ) or passive coil ( 11 ) serves. Tank module ( 1 ) according to one of claims 1 to 8, characterized in that the active coil ( 12 ) or the passive coil ( 11 ) at least partially by a, in particular flexible, sheath ( 18 ) is surrounded and the active coil ( 12 ) or the passive coil ( 11 ) is led out at the end of the U-shaped section and the active coil ( 12 ) or passive coil ( 11 ) around the pin ( 17 ) is wound and the wound portion of the active coil ( 12 ) or passive coil ( 11 ) is at least partially or completely surrounded by the flexible material of the shell. Tank module ( 1 ) according to one of claims 1 to 9, characterized in that the tank module ( 1 ) acting as activation unit ( 6 ) formed locking unit ( 6 ) is associated with a locking element, in particular a locking bolt, which changes in a positive query of the identification code, in particular the vehicle authorization, its open state or closed state. Tank module ( 1 ) according to one of claims 1 to 10, characterized in that the locking element, the tank cover ( 3 ) and / or a refueling device, in particular a charging plug or a fuel tank, locked or unlocked, wherein the locking element in the locked state in one in the tank cover ( 3 ) and / or refueling device formed opening ( 7 ) or recess is mechanically or electromechanically movable. Tank module ( 1 ) according to any one of claims 1 to 11, characterized in that after insertion of the refueling device into the filler neck ( 5 ) the locking element after a predetermined period in the opening ( 7 ) or recess of the tank cover ( 3 ) and / or refueling device, in particular by a motor by an electric drive unit ( 22 ), in particular an electric motor ( 22 ), is moved. Tank module ( 1 ) according to one of claims 1 to 12, characterized in that after or before or during the refueling with the aid of the NFC communication unit, the examination of the identification code is carried out in order to remove the locking element from the recess or opening (FIG. 7 ) of the tank cover ( 3 ) or the refueling device, in particular to unlock the refueling device. Tank module ( 1 ) according to one of claims 1 to 13, characterized in that on the Tank module or on the body section an NFC symbol ( 4 ), preferably in the region which is responsible for the arrangement of the NFC communication unit, in particular the active NFC element ( 9 ) or passive NFC element ( 10 ), is provided. Tank module ( 1 ) according to one of claims 1 to 14, characterized in that the tank cover ( 3 ) and / or the body ( 2 ) is provided with a metallic finish. Tank module ( 1 ) according to one of claims 1 to 15, characterized in that the tank cover ( 3 ) and / or the body ( 2 ), wherein a lacquer layer of Metalliclackierung has a layer thickness of 8 microns to 16 microns, wherein the proportion of aluminum flakes in the metallic coating is 4% to 10% in normal water-based Metalliclackierung. Locking unit ( 6 ) for a tank module ( 1 ) according to claims 1 to 16.

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