JP2013185371A - Key manufacturing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a key manufacturing device which can perform electronic key processing and mechanical key processing without mistaking their combination.SOLUTION: A key manufacturing device 8 includes an ID database 11 in which vehicle ID, electronic key ID, and mechanical key ID are linked, an electronic key processing part 16 which performs electronic key processing, and a mechanical key processing part 17 which performs mechanical key processing. The electronic key processing part 16 reads vehicle ID and electronic key ID necessary for the processing by reference to the ID database 11 and performs electronic key processing by these IDs. The mechanical key processing part 17 reads mechanical ID necessary for the processing by reference to the ID database 11 and performs mechanical key processing by this ID.

Description

  The present invention relates to a key manufacturing apparatus for manufacturing a mechanical key with an electronic verification function.

  As is well known in the art, a vehicle key includes a mechanical key with an electronic verification function in which a transponder is mounted on a mechanical key (see Patent Document 1). When the key plate of the mechanical key with electronic verification function is inserted into the key cylinder of the vehicle driver's seat, ID verification (immobilizer verification) is performed between the key-side transponder and the vehicle-side immobilizer antenna. Then, when the key cylinder is turned by the key plate under the same verification condition, the engine is started.

JP-A-8-086130

  By the way, in manufacturing a mechanical key with an electronic verification function, electronic key processing for registering an electronic key ID in a transponder and mechanical key processing for forming a key groove in a key plate are required. However, if the electronic key machining and mechanical key machining are incorrectly linked, the engine cannot be started with this key, so there was a need to develop a key manufacturing device that could carry out these machining operations without mistakes. .

  An object of the present invention is to provide a key manufacturing apparatus capable of performing electronic key processing and mechanical key processing without making a mistake in combination.

  In order to solve the above problems, in the present invention, electronic ID verification with a device is possible by wirelessly transmitted electronic ID information, and mechanical ID verification with the device is performed by a mechanical key ID formed on a key plate. In a key manufacturing apparatus that manufactures a mechanical key with an electronic verification function that is also possible, the electronic ID information and a database that manages the mechanical key ID, and the electronic ID information necessary for processing are read with reference to the database, An electronic key processing unit that performs key processing based on electronic ID information, and a mechanical key processing unit that reads the mechanical key ID necessary for processing with reference to the database and performs key processing using the mechanical key ID. The gist.

  According to the configuration of the present invention, a database for managing electronic ID information and mechanical key ID is provided, and necessary electronic ID information and mechanical key ID are read by referring to this database when creating a key. Apply key processing. Therefore, since the correct combination of the electronic ID information and the mechanical key ID is ensured at the time of key processing, it becomes possible to make it difficult to make a key manufacturing error.

  The gist of the present invention is that the mechanical key with an electronic verification function before processing is a key that cannot be distinguished in appearance. According to this configuration, even when a key that cannot be distinguished in appearance is used, it is possible to accurately process the combined electronic ID information and mechanical key ID with the correct combination.

  In the present invention, an identification information acquisition unit that acquires identification information of the device that is a key registration target is provided, and the database is registered in association with the electronic ID information, the mechanical key ID, and the identification information, and the electronic key processing The section and the mechanical key processing section obtain information necessary for processing by reading the electronic ID information and the mechanical key ID related to the identification information when referring to the database. According to this configuration, when referring to the database, the electronic ID information and the mechanical key ID to be used are obtained using the identification information as a clue, so that the electronic ID information and the mechanical key ID necessary for processing can be accurately extracted. It becomes possible.

  The gist of the present invention is that the mechanical key with an electronic verification function is a supply key that is additionally registered as a key that can be used in the device. According to this configuration, the replenishment key is often a key that is indistinguishable in appearance before processing, but even with such a key, processing of electronic ID information and mechanical key ID can be performed with a correct combination. It becomes possible to carry out with high accuracy.

  According to the present invention, electronic key processing and mechanical key processing can be performed without making a mistake in the combination.

1 is a schematic configuration diagram of an electronic key system according to an embodiment. The block diagram of a key manufacturing apparatus. The flowchart which shows the manufacturing process of a vehicle key. The conceptual diagram which notifies vehicle information to a factory. The conceptual diagram of electronic key processing and mechanical key processing. 1 is a schematic configuration diagram of an electronic key registration system.

Hereinafter, an embodiment of a key manufacturing apparatus embodying the present invention will be described with reference to FIGS.
As shown in FIG. 1, the vehicle key 1 is provided with a wireless verification unit 3 that performs key verification using a vehicle 2 and an electronic key system. The electronic key system of this example is a two-way communication system that performs ID verification by short-range wireless communication. In short-distance wireless communication, communication is established only in the very vicinity of a communication distance of about 10 cm, and the wireless verification unit 3 is operated using radio waves from the vehicle 2 as a power source. As the short-range wireless communication, for example, transponder communication, NFC (Near Field Communication) communication, or the like is employed. The vehicle key 1 corresponds to an electronic key with an electronic verification function, and the vehicle 2 corresponds to an apparatus.

  The wireless verification unit 3 is provided with a key control unit 4 that manages the verification operation in the vehicle key 1 and a communication unit 5 that can transmit and receive LF radio waves. In the memory 4a of the key control unit 4, a vehicle ID (vehicle ID), an electronic key ID, and an encryption key Kcr are registered. The vehicle ID is ID information that each vehicle 2 has uniquely. The electronic key ID is ID information that each vehicle key 1 has uniquely. The encryption key Kcr is a key for performing ID verification with the vehicle 2 by encrypted communication.

  The key control unit 4 receives the vehicle ID from the vehicle 2 and performs vehicle ID verification in verification by the electronic key system. Moreover, the key control part 4 transmits the electronic key ID registered in own memory 4a to the vehicle 2 at the time of this communication, and makes the vehicle 2 perform electronic key ID collation. Note that encryption communication using the encryption key Kcr is used for communication between the vehicle key 1 and the vehicle 2. And if both vehicle ID collation and electronic key ID collation are materialized, engine starting operation, door lock locking / unlocking operation, etc. will be permitted or performed.

  The vehicle key 1 is provided with a key plate 6 for performing key collation with the vehicle 2 using a mechanical key system. A key groove 7 unique to each vehicle key 1 is formed in the key plate 6. The mechanical key system is a system for performing door lock locking / unlocking and engine starting by inserting a key plate 6 of a regular vehicle key 1 into a key cylinder provided in the vehicle 2 and turning it. For example, when the key plate 6 is inserted into a key cylinder provided in the door handle outside the vehicle and turned, the door lock can be locked and unlocked. When the key plate 6 is inserted into the key cylinder provided in the driver's seat inside the vehicle and turned, the engine is operated. It can be started. The keyway 7 corresponds to a mechanical key ID.

  As shown in FIG. 2, the vehicle key 1 of this example is manufactured by the key manufacturing apparatus 8 shown in the figure. The key manufacturing device 8 is installed in a factory that manufactures the vehicle key 1. The key manufacturing device 8 includes an electronic key processing for processing electronic ID information Did (vehicle ID, electronic key ID) on a non-written key (blank key) 9 that cannot be distinguished in appearance, and a mechanical key ID (mechanical key ID). The vehicle key 1 that can be used for both the electronic key system and the mechanical key system is manufactured by performing mechanical key processing for processing the key groove 7) that is an ID.

  The key manufacturing device 8 is provided with a vehicle information acquisition unit 10 that acquires vehicle information Dvi related to the vehicle 2 to be registered as a key. The vehicle information Dvi is, for example, a vehicle ID (vehicle ID). When an operator (dealer serviceman, user, etc.) wants to register a key in the vehicle 2, the vehicle information Dvi of the vehicle 2 to be registered is acquired from the vehicle 2, and this vehicle information Dvi is obtained from the factory (key manufacturing apparatus 8). contact. The vehicle information acquisition unit 10 acquires the vehicle information Dvi received from the worker at the factory. The vehicle information acquisition unit 10 corresponds to the identification information acquisition unit, and the vehicle information Dvi corresponds to the identification information.

  The key manufacturing apparatus 8 is provided with an ID database 11 for managing the association between the electronic ID information Did and the mechanical key ID. The ID database 11 is provided with a vehicle ID writing column 12, a mechanical key ID writing column 13, and an electronic key ID writing column 14. By the way, a key cylinder into which the key plate 6 of the vehicle key 1 is inserted is fixedly attached to the vehicle 2. Therefore, the vehicle ID and the mechanical key ID are registered on a one-to-one basis. A plurality of vehicle keys 1 can be registered in one vehicle 2. Therefore, a plurality of electronic key IDs can be registered for one set of vehicle ID and mechanical key ID. The ID database 11 is also provided with a registration status writing field 15, where “unregistered” is checked for a set of unregistered vehicle ID, mechanical key ID, and electronic key ID, and the registered vehicle ID, mechanical key ID, “Completed” is checked for the set of electronic key IDs.

  The key manufacturing apparatus 8 is provided with an electronic key processing unit 16 that processes the electronic ID information Did on the unwritten key 9. The electronic key processing unit 16 obtains electronic ID information Did to be written by referring to the ID database 11 at the time of key processing. Then, the electronic key processing unit 16 injects the electronic ID information Did acquired from the ID database 11, that is, the electronic key ID and the vehicle ID, into the memory 4 a of the key control unit 4, for example, by wire, thereby storing them in the memory 4 a. Write and save.

  The key manufacturing device 8 is provided with a mechanical key processing unit 17 that processes a mechanical key ID on the unwritten key 9. The mechanical key processing unit 17 refers to the ID database 11 at the time of key processing, and acquires the mechanical key ID to be written now. The mechanical key processing unit 17 forms a predetermined key groove 7 in the key plate 6 by processing the key plate 6 into a shape corresponding to the mechanical key ID acquired from the ID database 11.

  The key manufacturing device 8 manufactures both the initial key and the supply key as the vehicle key 1. The initial key is a key registered as the first key in the vehicle 2, a so-called master key. The replenishment key is a so-called sub key that is registered in the vehicle 2 after the second one. As described above, a plurality of vehicle keys 1 can be registered in one vehicle 2.

Next, the process from the manufacture of the vehicle key 1 to the start of the engine in this example will be described with reference to FIGS.
In step 101 shown in FIG. 3, the vehicle information acquisition unit 10 acquires vehicle information Dvi to be key-registered from the vehicle 2 before ordering the vehicle 2. FIG. 4 shows details of this acquisition operation. The worker obtains vehicle information Dvi for the vehicle 2 to which the key is to be supplied, and informs the factory of this. The vehicle information Dvi may be communicated by, for example, connecting a dedicated tool to the vehicle 2 and obtaining the vehicle information Dvi from the vehicle 2 by using this tool, or confirming the instructions pre-distributed to the vehicle 2 and the numbers described therein. Etc. may be informed to the factory by telephone or fax.

  After the vehicle ID is communicated, in step 102 shown in FIG. 3, the electronic key processing unit 16 performs electronic key processing. FIG. 5 shows details of the electronic key processing. The electronic key processing unit 16 writes the electronic ID information Did (vehicle ID, electronic key ID) that is currently registered in the unwritten key 9. The electronic key processing unit 16 confirms the vehicle ID that is currently requested for key replenishment from the vehicle information Dvi received from the factory, and determines which electronic key ID is associated with the vehicle ID. This is confirmed by referring to the ID database 11. Thereby, the electronic key processing unit 16 can read the electronic key ID to be written from the ID database 11. Then, the electronic key processing unit 16 writes and stores the received vehicle ID and the electronic key ID read from the ID database 11 in the memory 4 a of the unwritten key 9.

  After the electronic key processing, in step 103 shown in FIG. 3, the mechanical key processing unit 17 performs the mechanical key processing. FIG. 5 shows details of mechanical key processing. The mechanical key processing unit 17 processes the key 18 in which the electronic ID information Did is written. The mechanical key processing unit 17 recognizes the vehicle ID for which key supply is currently requested from the vehicle information Dvi received from the factory, and determines which mechanical key ID is associated with the vehicle ID. This is confirmed by referring to the ID database 11. Thereby, the mechanical key processing unit 17 can read the mechanical key ID to be written from the ID database 11. Then, the mechanical key processing unit 17 processes the key plate 6 based on the mechanical key ID read from the ID database 11 to form a predetermined key groove 7 in the key plate 6.

  After the mechanical key processing, in step 104 shown in FIG. 3, the operator registers the encryption key Kcr in the vehicle key 1. FIG. 6 shows an operation for registering the encryption key Kcr. In the vehicle 2, the vehicle key 1 can be additionally registered in a dealer or the like by the electronic key registration system 19. In this case, each of the vehicle key 1 and the vehicle 2 is provided with registration function units 20 and 21 when a key registration operation is performed. The electronic key registration system 19 of this example connects the registration tool 22 to the vehicle 2 in a wired manner, and a serviceman operates the registration tool 22 to additionally register the vehicle key 1 to the vehicle 2 as a supply key.

  The registration tool 22 can wirelessly communicate with the center 23 that manages the registration of the vehicle key 1 through communication via a network. This network communication is so-called Internet communication, for example, IP (Internet Protocol) communication. The registration tool 22 performs wired communication with the vehicle 2 connected by wire such as a cable. Short-distance LF bidirectional communication is used for communication between the vehicle 2 and the vehicle key 1 at the time of key registration.

  In the case of key additional registration, the vehicle-mounted device center key Kvc used in the vehicle key 1 additional registration is registered in the memory of the vehicle 2. The in-vehicle device center key Kvc is an encryption key for key registration associated with the vehicle 2 and the center 23 and is assigned to each vehicle 2. The in-vehicle device center key Kvc is an encryption key compliant with, for example, AES (Advanced Encryption Standard) encryption.

  The center 23 is provided with a vehicle-mounted device database 24 for managing which vehicle-mounted device ID and vehicle key 1 are registered in which vehicle 2. In the vehicle-mounted device database 24, what vehicle-mounted device center key Kvc is registered in which vehicle 2 (verification ECU 4) is also registered. The center 23 is provided with an electronic key database 25 for managing what electronic key ID and encryption key Kcr are registered in which vehicle key 1. In the electronic key database 25, what SEED code Ssd is registered in which vehicle key 1 is also registered. The SEED code Ssd of the electronic key database 25 is created by passing the encryption key Kcr through the corresponding on-vehicle device center key Kvc at the center 23.

  When the vehicle 2 inputs an additional registration command for the vehicle key 1 from the registration tool 22, the vehicle 2 acquires the electronic key ID “ID-2” from the vehicle key 1, writes it in its own memory, and stores it. Further, the vehicle 2 outputs a SEED production request to the center 23 via the registration tool 22 to create the SEED code Ssd of the vehicle key 1 that is about to be registered. At this time, the center 23 refers to the on-board device database 24 to determine the on-board device center key Kvc → “key-A” to be used from the on-board device ID “ID-A” received from the vehicle 2. The SEED code “A2” is created by passing the encryption key “key-2” of the vehicle key 1 to be registered through “key-A”. The center 23 outputs the created SEED code “A2” to the vehicle 2 via the registration tool 22. The vehicle 2 generates the encryption key “key-2” by decrypting the SEED code “A2” acquired from the center 23 through its own vehicle-mounted device center key “key-A”, and writes this into the memory. Save with. In the vehicle key 1, the vehicle-mounted device ID “ID-A” notified from the vehicle 2 during the additional registration process is written in the memory 4a.

  When the center 23 obtains the SEED creation request from the registration tool 22, the center 23 knows the electronic key ID of the vehicle key 1 that is to be additionally registered, so the electronic key ID “ID-2” of the additionally registered vehicle key 1 is obtained. This is reflected in the in-vehicle device database 24. Further, the center 23 reflects the encryption key “key-2” of the additionally registered vehicle key 1 in the in-vehicle device database 24 after sending the SEED code “A2” to the registration tool 22.

After registration of the encryption key Kcr, the engine can be started with the vehicle key 1 in which the encryption key Kcr is registered in step 105 of FIG.
According to the configuration of the present embodiment, the following effects can be obtained.

  (1) An ID database 11 in which a vehicle ID, an electronic key ID, and a mechanical key ID are linked is provided. By referring to the ID database 11, a necessary vehicle ID, an electronic key ID, and a mechanical key ID are read and an electronic key is read. Processing and mechanical key processing are performed. For this reason, since the association of the vehicle ID, the electronic key ID, and the mechanical key ID is ensured, it is difficult to cause a processing error of the vehicle key 1.

  (2) The unwritten key 9 before processing the ID information is a key that cannot be distinguished in appearance, but if it is processed using the key manufacturing device 8 of this example, it is unwritten that cannot be distinguished in appearance. Even when the key 9 is used, it is possible to make it difficult for an ID write error to occur.

  (3) The vehicle information Dvi of the vehicle 2 to be replenished with the key is acquired, and the electronic key ID and the mechanical key ID are read from the vehicle information Dvi with reference to the ID database 11. As described above, since the electronic key ID and the mechanical key ID are read using the vehicle information Dvi as a clue, the ID necessary for key registration can be read accurately.

  (4) The supply key is likely to be mass-produced as a key that cannot be distinguished in appearance at the stage of an unwritten key. However, if the unwritten key 9 is processed using the key manufacturing apparatus 8 of this example, the desired vehicle key 1 can be manufactured without making a mistake in linking ID registration.

  (5) Since the ID database 11 is provided with the registration state writing column 15 for writing the unregistered / registered ID, the unregistered / registered ID can be managed. Therefore, it is not necessary to manufacture two or more of the same vehicle keys 1 by mistake.

Note that the embodiment is not limited to the configuration described so far, and may be modified as follows.
The electronic key system is not limited to the short-range wireless communication system. For example, a key operation free system that performs ID collation with the vehicle key 1 by narrow-band radio (communication distance: several meters) triggered by communication from the vehicle 2 or ID collation with the vehicle 2 triggered by communication from the vehicle key 1 It is good also as a wireless key system to perform.

  The electronic key registration system 19 is not limited to the system having the configuration shown in FIG. That is, any configuration may be used as long as the vehicle key 1 (electronic key ID or encryption key Kcr) can be additionally registered in the vehicle 2 in online registration using network communication. Further, the electronic key registration 19 system is not limited to online registration, and there are areas where network communication is not possible. Therefore, the vehicle key 1 may be registered in the vehicle 2 by offline registration without using network communication.

-The key groove 7 may be either an outer groove or an inner groove.
The communication of the vehicle information Dvi to the factory may be in the form of being directly communicated from the vehicle 2 to the factory, for example.

The electronic ID information is not limited to the vehicle ID and the electronic key ID, and can be changed to other information as long as it is information used for authentication via wireless.
The ID database 11 is not limited to a database having items of vehicle ID, mechanical key ID, and electronic key ID, and other items can be changed according to information necessary for key processing.

  The electronic key processing unit 16 is not limited to a processing machine that directly injects the electronic ID information Did into the vehicle key 1 by wire. For example, the electronic ID information Did may be registered in the vehicle key 1 by wireless communication.

The electronic key processing unit 16 and the mechanical key processing unit 17 are not limited to being incorporated in the same device, and may be arranged in different places.
The electronic key processing unit 16 and the mechanical key processing unit 17 are not limited to being connected to the ID database 11 by wire, and may be wirelessly connected (network communication or the like).

The unwritten key 9 is not limited to a key that cannot be distinguished in appearance, and may be a key with a different design.
The mechanical key with an electronic verification function is not limited to the supply key (sub key), but may be an initial key (master key) registered first in the vehicle 2.

The mechanical key with an electronic verification function is not limited to the vehicle key 1 and may be a key used for other devices.
Next, technical ideas that can be grasped from the above-described embodiment and other examples will be described below together with their effects.

  (A) In any one of claims 1 to 4, the database is provided with a column for writing registered / unregistered IDs. According to this configuration, it is possible to grasp whether or not the ID registration has been completed, so that the effect of preventing erroneous ID registration is enhanced.

  DESCRIPTION OF SYMBOLS 1 ... Mechanical key with electronic verification function and vehicle key as supply key, 2 ... Vehicle as device, 6 ... Key plate, 7 ... Key groove as mechanical key ID, 8 ... Key manufacturing device, 9 ... Key before processing As unwritten key, 10 ... vehicle information acquisition unit as identification information acquisition unit, 11 ... ID database, 16 ... electronic key processing unit, 17 ... mechanical key processing unit, Did ... electronic ID information, Dvi ... as identification information Vehicle information.

Claims (4)

A key for manufacturing a mechanical key with an electronic verification function that can be electronically verified with the device by electronically transmitted electronic ID information and can also mechanically verify the device with the mechanical key ID formed on the key plate In manufacturing equipment,
A database for managing the electronic ID information and the mechanical key ID;
An electronic key processing unit that reads out the electronic ID information necessary for processing with reference to the database and performs key processing using the electronic ID information;
A key manufacturing apparatus comprising: a mechanical key processing unit that reads the mechanical key ID necessary for processing with reference to the database and performs key processing using the mechanical key ID. The key manufacturing apparatus according to claim 1, wherein the mechanical key with an electronic verification function before processing is a key that cannot be distinguished in appearance. An identification information acquisition unit that acquires identification information of the device to be registered as a key;
In the database, the electronic ID information, the mechanical key ID, and the identification information are associated and registered,
The electronic key processing unit and the mechanical key processing unit acquire information necessary for processing by reading the electronic ID information and mechanical key ID related to the identification information when referring to the database. The key manufacturing apparatus according to claim 1 or 2. The key manufacturing apparatus according to claim 1, wherein the mechanical key with an electronic verification function is a supply key that is additionally registered as a key that can be used in the apparatus.