Automobile key

Abstract

The utility model relates to an automobile key. Relates to the technical field of new energy automobiles. The key comprises a cover plate and a key body arranged on the cover plate, and the key body is detachably connected with the cover plate; the key body comprises a mechanical key, an NFC key and a separation mechanism, the mechanical key and the NFC key are of an integrated structure, and the separation mechanism is arranged at the junction of the mechanical key and the NFC key and used for separating the mechanical key from the NFC key. According to the automobile key, the mechanical key and the NFC key are arranged to be of an integrated structure, the mechanical key can be taken down to be used under the emergency condition, and therefore the automobile key integrates the functions of the NFC key and the mechanical key, a user can use the automobile key more conveniently, the use experience of the user is improved, the key body is arranged on the cover plate, and the key body is convenient to use. The stability of the automobile key structure can be enhanced, so that the use experience of a user is further improved.

Description

A type of car key Technical Field

[0001] This utility model relates to the field of new energy vehicle technology, and in particular to a car key. Background Technology

[0002] With the development of technology and the improvement of people's living standards, the popularity and intelligence of automobiles are increasing, and digital car keys are a prime example. Compared with traditional car keys, which are cumbersome to operate and have limited functions, digital car keys are gaining widespread application due to their portability, versatility, and scalability. Various types of digital car keys are already available on the market, such as Bluetooth keys, NFC card keys, fingerprint keys, facial recognition keys, and mobile apps.

[0003] Taking car NFC card keys as an example, a car NFC card key is a type of key based on NFC near-field communication technology. Users can control their vehicles using their mobile phones' NFC function or NFC card keys. A car NFC digital key typically includes functions such as locking and unlocking the vehicle, starting the vehicle, launching on-board smart applications, or other expandable applications using a mobile phone's NFC or an NFC card. This allows for various operations on the car, greatly improving the convenience of car use.

[0004] However, when the vehicle is out of power, a traditional mechanical key is still needed to open the door. However, due to their small size, ordinary NFC card keys cannot integrate mechanical keys, resulting in a large number of car keys and reducing the user experience. Summary of the Invention

[0005] The purpose of this utility model is to address the shortcomings of the prior art by providing a car key that integrates a mechanical key and an NFC key, making the car key easy to carry and allowing the mechanical key to be removed for unlocking in an emergency, thereby improving the user experience.

[0006] This utility model proposes a car key, including a cover plate and a key body disposed on the cover plate, wherein the key body is detachably connected to the cover plate; the key body includes a mechanical key, an NFC key and a separation mechanism, wherein the mechanical key and the NFC key are an integral structure, and the separation mechanism is disposed at the junction of the mechanical key and the NFC key to separate the mechanical key and the NFC key.

[0007] Furthermore, the cover plate is provided with at least two insertion pins, and the key body is provided with at least two insertion holes, with each insertion pin being inserted into one of the insertion holes.

[0008] Furthermore, the insertion pins include two first insertion pins arranged diagonally on the cover plate, and the insertion holes include two first insertion holes arranged diagonally on the NFC key, with the two first insertion pins respectively inserted into the two first insertion holes.

[0009] Furthermore, the mechanical key includes a key body and a key handle, the key body and the key handle forming an L-shaped structure, the L-shaped structure and the NFC key forming a structure with the same outline as the cover plate, and a key tooth is provided on one side of the key body.

[0010] Furthermore, the insertion post includes three second insertion posts respectively disposed at three adjacent apex corners of the cover plate, and the insertion hole includes three second insertion holes respectively disposed at three adjacent apex corners of the L-shaped structure, and the three second insertion posts are respectively inserted into the three second insertion holes.

[0011] Furthermore, the separation mechanism is a weakening groove extending along the junction of the mechanical key and the NFC key, through which the mechanical key can be pried off the NFC key.

[0012] Furthermore, the key teeth are located on the side of the key body near the NFC key, and the weakening groove extends at the junction of the key teeth and the NFC key, and at the junction of the key handle and the NFC key.

[0013] Furthermore, the weakening groove has a serrated portion on the side near the key tooth, and the serrated portion engages with the key tooth.

[0014] Furthermore, the car key also includes a hanging hole for attaching a strap, the hanging hole extending through the key body and the cover plate.

[0015] Furthermore, the NFC key has a pre-embedded chip and an NFC coil. The chip is located on one side of the NFC key, and the NFC coil is routed around the NFC key and connected to the chip.

[0016] The car key proposed in this utility model has the following beneficial effects:

[0017] (1) This car key integrates the mechanical key and NFC key into one structure, and the mechanical key can be removed for use in an emergency, thus integrating the functions of the NFC key and the mechanical key, making it more convenient for users and improving the user experience. Furthermore, placing the key body on the cover plate can enhance the stability of the car key structure, thereby further improving the user experience.

[0018] (2) The car key has at least two pins on the cover plate and at least two holes on the key body. By connecting the at least two pins to the at least two holes, the installation of the key body on the cover plate is more stable, which enhances the stability of the car key structure. It also allows for positioning of the key body on the cover plate, making the installation of the key body on the cover plate simpler and more convenient, thereby improving the user experience.

[0019] (3) The car key insertion pin includes two first insertion pins arranged diagonally on the cover plate, and the insertion hole includes two first insertion holes arranged diagonally on the NFC key. The two first insertion pins are inserted into the two first insertion holes respectively, which not only makes the installation of the key body on the cover plate more stable and enhances the stability of the car key structure, but also positions the key body on the cover plate, making the installation of the key body on the cover plate simpler and more convenient, thereby improving the user experience.

[0020] (4) The mechanical key of this car key includes a key body and a key handle. A key tooth is provided on one side of the key body. In an emergency, the key body can be removed from the cover plate first, and then the mechanical key can be removed from the NFC key. This allows the user to hold the key handle and insert the key body into the vehicle's lock hole to unlock the car, thereby improving the user experience.

[0021] (5) The insertion pins of this car key include three second insertion pins respectively located at three adjacent top corners of the cover plate, and the insertion holes include three second insertion holes respectively located at three adjacent top corners of the mechanical key. The key body is inserted into the three second insertion holes respectively, which makes the installation of the key body on the cover plate more stable and enhances the stability of the car key structure. It also positions the key body on the cover plate, making the installation of the key body on the cover plate simpler and more convenient, thereby improving the user experience.

[0022] (6) The separation mechanism of this car key is a weakening groove. The weakening groove extends along the junction of the mechanical key and the NFC key. In an emergency where the vehicle is out of power, the mechanical key can be pried off the NFC key along the weakening groove to separate the mechanical key from the NFC key, thereby making it easier for users to open the car door with the mechanical key, thus making it more convenient for users to use and improving the user experience.

[0023] (7) The key teeth of this car key are set on the side of the key body close to the NFC key, so that when the L-shaped structure formed by the key body and the key handle is combined with the NFC key to form a complete rectangular structure, the key teeth are hidden in the middle of the rectangular structure, thereby preventing the key teeth of the mechanical key from being exposed and easily scratching other objects during carrying, thus improving the user experience.

[0024] (8) The car key has a first through hole on the NFC key and a second through hole at the corresponding position on the cover plate. When the key body is installed on the cover plate, the projections of the first through hole and the second through hole coincide, so that the first through hole and the second through hole form a hanging hole. A hanging rope is threaded through the hanging hole, making it more convenient to carry the car key and improving the user experience.

[0025] (9) The chip of this car key is set on one side of the NFC key, so that the NFC coil runs around the NFC key. This prevents the stress from concentrating in the middle of the NFC key when the NFC key is deformed under external force, which would easily damage the chip and NFC coil. This extends the service life of the car key and improves the user experience. Attached Figure Description

[0026] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention. In these drawings, similar reference numerals are used to denote similar elements.

[0027] Figure 1 is a structural schematic diagram of a car key according to an embodiment of the present utility model;

[0028] Figure 2 is a structural schematic diagram of a cover plate for a car key according to an embodiment of the present utility model;

[0029] Figure 3 is a cross-sectional schematic diagram of the key body of a car key according to an embodiment of the present utility model;

[0030] Figure 4 is a structural schematic diagram of a mechanical key for a car according to an embodiment of the present utility model;

[0031] Figure 5 is a structural schematic diagram of an NFC key for a car key according to an embodiment of the present invention.

[0032] In the diagram: 1. Cover plate; 11. First insertion post; 12. Second insertion post; 2. Mechanical key; 21. Key body; 211. Key teeth; 22. Key handle; 23. Second insertion hole; 3. NFC key; 31. First insertion hole; 32. Chip; 33. NFC coil; 4. Weakening groove; 41. Serrated part; 5. Hanging hole. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0034] Please refer to Figures 1 to 5. An embodiment of the present invention provides a car key, including a cover plate 1 and a key body disposed on the cover plate 1. The key body is detachably connected to the cover plate 1. The key body includes a mechanical key 2, an NFC key 3 and a separation mechanism. The mechanical key 2 and the NFC key 3 are an integral structure. The separation mechanism is disposed at the junction of the mechanical key 2 and the NFC key 3 to separate the mechanical key 2 and the NFC key 3.

[0035] In this application, the car key includes a cover plate 1 and a key body. The key body is disposed on the cover plate 1 and detachably connected to the cover plate 1. The key body includes a mechanical key 2, an NFC key 3, and a separation mechanism. The mechanical key 2 and the NFC key 3 are an integral structure, and the separation mechanism is located at the junction of the mechanical key 2 and the NFC key 3. Because the car key in this application includes the NFC key 3, the car key has NFC functionality, thereby making the use of the car simpler and more convenient, and improving the user experience.

[0036] In this application, the key body is detachably connected to the cover plate 1, and a separation mechanism is provided at the junction of the mechanical key 2 and the NFC key 3. The mechanical key 2 and the NFC key 3 can be separated through the separation mechanism. In case of an emergency where the vehicle is out of power, the key body can be removed from the cover plate 1 first, and then the mechanical key 2 and the NFC key 3 can be separated through the separation mechanism, so that the mechanical key 2 can be used to open the car door.

[0037] Because this car key integrates the mechanical key 2 and the NFC key 3 into a single structure, and the mechanical key 2 can be removed for use in an emergency, it combines the functions of both the NFC key 3 and the mechanical key 2, making it more convenient for users and improving their experience. Furthermore, placing the key body on the cover plate 1 enhances the stability of the car key structure, further improving the user experience.

[0038] In this embodiment, the cover plate 1 is provided with at least two insertion pins, and the key body is provided with at least two insertion holes. When the key body is placed on the cover plate 1, each insertion pin is inserted into one insertion hole, thereby realizing the detachable connection between the key body and the cover plate 1. In an emergency, the key body can be removed from the cover plate 1.

[0039] In this application, at least two insertion pins are provided on the cover plate 1 and at least two insertion holes are provided on the key body. On the one hand, by having at least two insertion pins respectively inserted into at least two insertion holes, the installation of the key body on the cover plate 1 is more stable, thereby enhancing the stability of the car key structure and improving the user experience.

[0040] On the other hand, by inserting at least two pins into at least two holes respectively, the key body can be positioned on the cover plate 1, making the installation of the key body on the cover plate 1 simpler and more convenient, thereby improving the user experience.

[0041] In this embodiment, the insertion pins include two first insertion pins 11 diagonally arranged on the cover plate 1, and the insertion holes include two first insertion holes 31 diagonally arranged on the NFC key 3. The two first insertion pins 11 are respectively inserted into the two first insertion holes 31. In this application, the insertion pins include two first insertion pins 11, which are diagonally arranged on the cover plate 1. The insertion holes include two first insertion holes 31, which are diagonally arranged on the NFC key 3.

[0042] By connecting two first insertion posts 11 diagonally arranged on the cover plate 1 to two first insertion holes 31 diagonally arranged on the NFC key 3, a detachable connection between the key body and the cover plate 1 is achieved. This makes the installation of the key body on the cover plate 1 more stable, thereby enhancing the stability of the car key structure and improving the user experience. On the other hand, it positions the key body on the cover plate 1, making the installation of the key body on the cover plate 1 simpler and more convenient, thus improving the user experience.

[0043] In this embodiment, the mechanical key 2 includes a key body 21 and a key handle 22. The key body 21 and the key handle 22 form an L-shaped structure. The L-shaped structure is assembled with the NFC key 3 to form a structure with the same outline as the cover plate 1. A key tooth 211 is provided on one side of the key body 21. In this application, the mechanical key 2 includes a key body 21 and a key handle 22 arranged perpendicularly to each other, so that the key body 21 and the key handle 22 form an L-shaped structure.

[0044] In actual implementation, the cover plate 1 has a rectangular structure. Under normal circumstances, the L-shaped structure formed by the key body 21 and the key handle 22 is combined with the NFC key 3 to form a rectangular structure with the same outline as the cover plate 1. Thus, when the key body is installed on the cover plate 1, a double-layer rectangular structure is formed, giving the car key the shape of a rectangular card key.

[0045] A key tooth 211 is provided on one side of the key body 21. In an emergency, the key body can be removed from the cover plate 1 first, and then the mechanical key 2 can be removed from the NFC key 3. This allows the user to hold the key handle 22 and insert the key body 21 into the lock hole of the car door to unlock the door, thereby improving the user experience.

[0046] In the prior art, the key body 21 of the mechanical key 2 is usually made of metal, and the key handle 22 is usually made of plastic. Since the mechanical key 2 and the NFC key 3 are integrated in this application, both the key body 21 and the key handle 22 of the mechanical key 2 in this application can be made of the same material as the NFC key 3.

[0047] Typically, the NFC key 3 is made of plastic. Therefore, in this application, both the key body 21 and the key handle 22 are made of plastic, meaning the entire mechanical key 2 is made of plastic. The mechanical key 2 and the NFC key 3 are integrally molded through injection molding, thus integrating the mechanical key 2 and the NFC key 3 together. In an emergency, the mechanical key 2 can be used to unlock the car door by separating the mechanical key 2 from the NFC key 3, thereby improving the user experience.

[0048] In this embodiment, the insertion pins include three second insertion pins 12 respectively located at three adjacent apex corners of the cover plate 1, and the insertion holes include three second insertion holes 23 respectively located at three adjacent apex corners of the L-shaped structure. The three second insertion pins 12 are respectively inserted into the three second insertion holes 23. As mentioned in the above embodiment, the key body 21 and the key handle 22 form an L-shaped structure, which is combined with the NFC key 3 to form a rectangular structure with the same outline as the cover plate 1.

[0049] To facilitate the separation of the mechanical key 2 and the NFC key 3, it is foreseeable that in this application, the L-shaped structure formed by the key body 21 and the key handle 22 will be joined to the NFC key 3 on one side. That is, when the key body is installed on the cover plate 1, the L-shaped structure formed by the key body 21 and the key handle 22 will coincide with the projection of the three adjacent apex corners of the cover plate 1, and the NFC key 3 will coincide with the projection of the remaining apex corner of the cover plate 1.

[0050] Therefore, in this application, the insertion post includes three second insertion posts 12, which are respectively disposed at the three adjacent apex corners where the projection of the L-shaped structure formed by the cover plate 1, the key body 21, and the key handle 22 coincides. The insertion hole includes three second insertion holes 23, which are respectively disposed at the corresponding three adjacent apex corners of the L-shaped structure formed by the key body 21 and the key handle 22.

[0051] The key body and the cover plate 1 are detachably connected by three second insertion pins 12 on the cover plate 1, which are respectively inserted into three second insertion holes 23 on the L-shaped structure formed by the key body 21 and the key handle 22. This makes the installation of the key body on the cover plate 1 more stable, thereby enhancing the stability of the car key structure and improving the user experience. Furthermore, it positions the key body on the cover plate 1, making installation simpler and more convenient, further improving the user experience.

[0052] As mentioned in the above embodiment, the insertion pins include two first insertion pins 11 arranged diagonally on the cover plate 1, and the insertion holes include two first insertion holes 31 arranged diagonally on the NFC key 3. The two first insertion pins 11 are respectively inserted into the two first insertion holes 31. In specific implementation, the arrangement of the insertion pins and insertion holes in this embodiment can be implemented separately or in combination with the arrangement of the insertion pins and insertion holes in this embodiment.

[0053] When the above embodiments are combined with this embodiment, the insertion pins include two first insertion pins 11 diagonally arranged in the middle of the cover plate 1, and three second insertion pins 12 respectively arranged at three adjacent apex corners of the cover plate 1. The insertion holes include two first insertion holes 31 diagonally arranged in the middle of the NFC key 3, and three second insertion holes 23 respectively arranged at three adjacent apex corners of the mechanical key 2.

[0054] By connecting the two first insertion pins 11 to the two first insertion holes 31 respectively, and connecting the three second insertion pins 12 to the three second insertion holes 23 respectively, the installation of the key body on the cover plate 1 is more stable, further enhancing the stability of the car key structure and improving the user experience.

[0055] In this embodiment, the separation mechanism is a weakening groove 4 extending along the junction of the mechanical key 2 and the NFC key 3, allowing the mechanical key 2 to be pried off the NFC key 3 via the weakening groove 4. In this application, the separation mechanism is the weakening groove 4, which extends along the junction of the mechanical key 2 and the NFC key 3. Under normal circumstances, the mechanical key 2 and the NFC key 3 are an integrated structure, thereby enabling the car key to have NFC functionality through the NFC key 3, facilitating unlocking for the user.

[0056] In an emergency where the vehicle's power is dead, the mechanical key 2 can be pried off the NFC key 3 along the weakening groove 4, separating the mechanical key 2 from the NFC key 3. This allows the user to easily open the car door using the mechanical key 2, making it more convenient and improving the user experience.

[0057] In this embodiment, the key teeth 211 are located on the side of the key body 21 near the NFC key 3, and the weakening groove 4 extends at the junction of the key teeth 211 and the NFC key 3, as well as at the junction of the key handle 22 and the NFC key 3. Because the L-shaped structure formed by the key body 21 and the key handle 22 in this application is joined to the NFC key 3 on one side to form a rectangular structure with the same outline as the cover plate 1, one side of the key body 21 is close to the NFC key 3, while the opposite side is far from the NFC key 3.

[0058] The key teeth 211 are positioned on the side of the key body 21 close to the NFC key 3. When the L-shaped structure formed by the key body 21 and the key handle 22 is combined with the NFC key 3 to form a complete rectangular structure, the key teeth 211 are hidden in the middle of the rectangular structure. This prevents the key teeth 211 of the mechanical key 2 from being exposed and easily scratching other objects during carrying, thereby improving the user experience.

[0059] Since the mechanical key 2 is broken along the weakening groove 4 at the junction of the mechanical key 2 and the NFC key 3 when it is removed from the NFC key 3, the weakening groove 4 extends at the junction of the key teeth 211 and the NFC key 3, as well as at the junction of the key handle 22 and the NFC key 3. This allows the mechanical key 2 to be broken apart along the junction of the key teeth 211 and the NFC key 3, as well as at the junction of the key handle 22 and the NFC key 3, thus achieving the separation of the mechanical key 2 and the NFC key 3.

[0060] Furthermore, in this embodiment, a serrated portion 41 is provided on the side of the weakened groove 4 near the key tooth 211, and the serrated portion 41 matches the tooth profile of the key tooth 211. Thus, when the mechanical key 2 needs to be used, it is easier to break the mechanical key 2 off the NFC key 3 along the weakened groove 4, thereby making the use of this car key more convenient and improving the user experience.

[0061] In this embodiment, the car key also includes a hanging hole 5 that passes through the key body and the cover plate 1. A hanging rope can be threaded through the hanging hole 5 to hang the car key, making it more convenient to carry and improving the user experience.

[0062] Specifically, in actual implementation, a first through hole can be provided on the NFC key 3, and a second through hole can be provided at the corresponding position on the cover plate 1. When the key body is installed on the cover plate 1, the projections of the first through hole and the second through hole coincide, thereby forming the hanging hole 5 mentioned above. A lanyard can be threaded through the hanging hole 5 to make it more convenient to carry the car key and improve the user experience.

[0063] In this embodiment, the NFC key 3 has a pre-embedded chip 32 and an NFC coil 33. The chip 32 is located on one side of the NFC key 3, and the NFC coil 33 is routed around the NFC key 3 and connected to the chip 32. Through the chip 32 and NFC coil 33 in the NFC key 3, the car key has NFC functionality, making the use of the car simpler and more convenient, thereby improving the user experience.

[0064] The reason for placing the chip 32 on one side of the NFC key 3 and having the NFC coil 33 run around the perimeter of the NFC key 3 is that when the NFC key 3 deforms under external force, the stress is concentrated in the middle of the NFC key 3. Placing the chip 32 on one side of the NFC key 3 and having the NFC coil 33 run around the perimeter of the NFC key 3 can prevent the chip 32 and NFC coil 33 from being easily damaged when the NFC key 3 deforms, thereby extending the service life of the car key and improving the user experience.

[0065] The above-described contents can be implemented individually or in combination in various ways, and all such variations are within the protection scope of this utility model.

[0066] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A car key, characterized in that: Includes a cover plate (1) and a key body disposed on the cover plate (1), the key body being detachably connected to the cover plate (1); the key body includes a mechanical key (2), an NFC key (3) and a separation mechanism, the mechanical key (2) and the NFC key (3) being an integral structure, the separation mechanism being disposed at the junction of the mechanical key (2) and the NFC key (3) for separating the mechanical key (2) and the NFC key (3).

2. A key as claimed in claim 1, characterized in that: The cover plate (1) is provided with at least two plugs, and the key body is provided with at least two plug holes, each of the plugs being plugged into one of the plug holes.

3. A key as claimed in claim 2, characterized in that: The plug includes two first plugs (11) arranged diagonally on the cover plate (1), and the plug hole includes two first plug holes (31) arranged diagonally on the NFC key (3). The two first plugs (11) are respectively plugged into the two first plug holes (31).

4. A key as claimed in claim 2, characterized in that: The mechanical key (2) includes a key body (21) and a key handle (22). The key body (21) and the key handle (22) form an L-shaped structure. The L-shaped structure is combined with the NFC key (3) to form a structure with the same outline as the cover plate (1). A key tooth (211) is provided on one side of the key body (21).

5. A key as claimed in claim 4, characterized in that: The plug-in post includes three second plug-in posts (12) respectively located at three adjacent apex corners of the cover plate (1), and the plug-in hole includes three second plug-in holes (23) respectively located at three adjacent apex corners of the L-shaped structure. The three second plug-in posts (12) are respectively plugged into the three second plug-in holes (23).

6. A car key as described in claim 4, characterized in that: The separation mechanism is a weakening groove (4) extending along the junction of the mechanical key (2) and the NFC key (3), through which the mechanical key (2) can be pried off the NFC key (3).

7. A car key as described in claim 6, characterized in that: The key teeth (211) are located on the side of the key body (21) near the NFC key (3), and the weakening groove (4) extends at the junction of the key teeth (211) and the NFC key (3), and at the junction of the key handle (22) and the NFC key (3).

8. A car key as described in claim 7, characterized in that: The weakening groove (4) has a serrated part (41) on the side near the key tooth (211), and the serrated part (41) cooperates with the key tooth (211).

9. A car key as described in claim 1, characterized in that: The car key also includes a hanging hole (5) for carrying a strap, the hanging hole (5) passing through the key body and the cover plate (1).

10. A car key as described in claim 1, characterized in that: The NFC key (3) has a chip (32) and an NFC coil (33) embedded in it. The chip (32) is located on one side of the NFC key (3), and the NFC coil (33) is routed around the NFC key (3) and connected to the chip (32).

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