JP5893871B2 - Locking system - Google Patents

Description

  The present invention relates to a locking / unlocking technique using a communication technique.

  2. Description of the Related Art Conventionally, for example, in a courier truck, a cargo door is locked for the purpose of avoiding theft of a package to be collected and delivered. At this time, it is necessary to lock each time the truck leaves the truck during collection and delivery, which is a troublesome operation for the driver.

  As a technique for solving this problem, an unlocking signal for the truck door of the truck is constantly transmitted from a portable device carried by an operator at a predetermined cycle, and when this unlocking signal is received by the in-vehicle device, There has been proposed a remote lock device for a truck cargo door that unlocks the cargo door and locks when it is not received (see, for example, Patent Document 1).

JP-A-6-58029

  However, in the prior art, it is assumed that the key device for the cargo door that is unlocked and locked and the portable device carried by the operator are originally paired. For this reason, when the track on which the worker rides is changed, the portable device needs to be changed to a pair. That is, the portable device depends on the key device on the track side. As a result, the portable device is provided on the truck, and the portable device that the worker individually has, such as a portable phone of the worker, cannot be used.

  Here, although the example of unlocking / locking the cargo door of the truck has been given as an example, the same problem arises in a hand cart for collection and delivery that needs to be frequently unlocked / locked. In other words, this problem can occur in all of the locking objects that the operator frequently leaves.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to realize smooth unlocking / locking of an object to be locked by a key device using a portable device that an operator individually has.

The locking system according to claim 1 made to achieve the above-described object includes a key device for locking a lock target and a portable device capable of establishing a communication line with the key device.
At this time, the lock target is unlocked by the key device when the communication line is established, and the lock target is locked by the key device when the communication line is disconnected.

  Here, in particular, one of the key device and the portable device has code reading means for reading an information code indicating a pass key for authenticating the other, and the key device and the portable device have information read by the code reading means. A communication line is established based on the passkey indicated by the code. The information code may be a one-dimensional code such as a barcode or a two-dimensional code such as a QR code.

  In this way, even if the key device and the portable device do not correspond one-to-one, the pass key for authenticating the other is read as the information code by the code reading means, and based on this pass key A communication line is established. As a result, smooth unlocking / locking by the track-side key device can be realized by using a portable device individually owned by the worker.

  For example, by embodying a portable device as a barcode reader or a mobile phone, a pass key unique to the key device is read by the barcode or the like with the barcode reader or the mobile phone. In this case, it is conceivable that a bar code is attached to a lock target on which the key device is installed.

  Further, for example, the key device includes a code reading unit, and a pass key unique to the portable device is read by putting a barcode or the like on the key device. In this case, it is conceivable to attach a barcode to the portable device.

Further , the other of the key device and the portable device may transmit its own passkey when one of the authentication has not been performed in the past. For example, when a barcode or the like is read by a portable device, the key device transmits its pass key to the portable device. For example, when reading a barcode or the like with a key device, the portable device transmits its passkey to the key device. In this case, one of the key device and the portable device collates the pass key read by the code reading unit with the pass key transmitted from the other. In this way, it is possible to relatively easily compare the pass keys.

In this case, as described in claim 2 , when the pass key is transmitted, one of the key device and the portable device may prompt the reading of the information code. In this way, it is easy for the operator to understand whether or not the information code needs to be read, and the read timing is convenient.

The key device may be configured to be constantly supplied with power, but preferably configured to be supplied with power as necessary. Therefore, as shown in claim 3 , on the assumption that the key device is used to lock the loading platform door of the vehicle, it can be considered that the power supply is started when the ignition switch of the vehicle is turned off. The cargo door includes a trunk of a passenger car. In this way, useless power supply can be reduced. It also contributes to idling stop when loading and unloading.

Further, as shown in claim 4 , on the premise that the key device is used for locking the loading platform door of the vehicle, it can be considered that the power supply is stopped when the ignition switch of the vehicle is turned on. In this way, useless power supply can be reduced.

In addition, as shown in claim 5, it is preferable that the key device locks the lock target when power supply is stopped. In this way, since the lock is made when the power supply is stopped, sufficient security can be ensured.

  Although the above has been described as an invention of a locking system, it can also be realized as an invention of a key device constituting the locking system. Moreover, it is also realizable as invention of the portable apparatus which comprises the said locking system.

It is a block diagram which shows schematic structure of a barcode reader. It is a block diagram which shows schematic structure of a key apparatus. (A) is explanatory drawing which shows the rear part of the truck in which a key apparatus is installed, (b) is explanatory drawing which shows the barcode attached | subjected to the rear part. It is a flowchart which shows a reader side process. It is a flowchart which shows a key side process. It is a flowchart which shows the process at the time of the key side process. It is a flowchart which shows the unlocking process of a key side process. It is a flowchart which shows the locking process of a key side process. It is a flowchart which shows the power-off process of a key side process.

Embodiments of the present invention will be described below.
The locking system of this embodiment includes a barcode reader 10 shown in FIG. 1 and a key device 90 shown in FIG.

The bar code reader 10 illustrated in FIG. 1 includes a control unit 20, a communication unit 30, a reader unit 40, an LED 50, a speaker 60, and a power management unit 70.
The control unit 20 is configured around a controller 21, and includes a flash ROM 22, a RAM 23, and an I / O interface 24.

  For example, the controller 21 executes a program stored in the flash ROM 22 at a predetermined timing. The flash ROM 22 is a non-volatile memory device, and can retain stored contents even when power supply from the power management unit 70 is interrupted. The RAM 23 implements temporary storage processing in processing based on the program. The I / O interface 24 is configured to input and output information with the communication unit 30 and the reader unit 40.

The communication unit 30 is configured as a Bluetooth (registered trademark) LSI, and includes a baseband controller 31, a high-frequency circuit 32, and an antenna 33.
A reception signal received by the antenna 33 is input to the high frequency circuit 32. At this time, the high frequency circuit 32 extracts an information signal (baseband signal) as an analog signal from the received signal and outputs the information signal to the baseband controller 31. The baseband controller 31 converts an information signal as an analog signal output from the high frequency circuit 32 into a digital signal and outputs the digital signal to the control unit 20.

  On the other hand, an information signal as a digital signal output from the control unit 20 is converted into an analog signal by the baseband controller 31 and output to the high frequency circuit 32. The high frequency circuit 32 generates a transmission signal from an information signal (baseband signal) as an analog signal output from the baseband controller 31 and a high frequency carrier signal. As a result, a transmission signal is output from the antenna 33.

The reader unit 40 is configured to read a barcode, and includes a CCD or CIS sensor 41. Information read by the reader unit 40 is output to the control unit 20.
The LED 50 and the speaker 60 are used as notification means.

The power management unit 70 is configured to supply power to each unit of the barcode reader 10 and includes a DC / DC converter 71, a charging circuit 72, and a rechargeable battery 73.
The DC / DC converter 71 is a booster circuit that boosts the voltage of the rechargeable battery to a voltage for operating the digital circuit. The charging circuit 72 is a configuration for charging the rechargeable battery 73.

  A key device 90 shown in FIG. 2 includes a key controller 91 and a key unit 92. While the bar code reader 10 described above is carried by the operator, the key device 90 is installed at the rear of the track as shown in FIG.

  Specifically, as shown in FIG. 3, a key controller 91 and a key unit 92 are installed inside the loading platform door 101 at the rear of the truck 100. At this time, the key portion 92 has a protruding portion 92a that is protruded / embedded in a lateral direction (direction indicated by symbol A) by a motor (not shown), and the loading platform door 101 is locked by the protruding portion 92a protruding. The Thereby, even if the handles 103 and 104 are rotated, the cargo door 101 is not opened. On the other hand, the loading platform door 101 is unlocked by the protrusion 92a being buried. Thereby, the loading platform door 101 is opened by the rotation of the handles 103 and 104.

  Returning to FIG. 2, the key controller 91 includes a control unit 20, a communication unit 30, an LED 50, a speaker 60, and a power management unit 70, as with the barcode reader 10. The difference from the barcode reader 10 is that a key control unit 80 is provided instead of the reader unit 40. Therefore, the same components as those of the barcode reader 10 are denoted by the same reference numerals, and the description thereof is omitted, and the key control unit 80 will be described.

  The key control unit 80 has a motor driver 81. The motor driver 81 is connected to the key unit 92. Thereby, the motor (not shown) of the key part 92 is driven. As described above, the key portion 92 is attached to the loading platform door 101 of the truck 100 (see FIG. 3A). When the motor of the key portion 92 is driven, as described above, the loading platform door 101 is locked when the protruding portion 92a protrudes, and the loading platform door 101 is unlocked when the protruding portion 92a is buried.

  Next, reader side processing executed by the control unit 20 of the barcode reader 10 will be described. FIG. 4 is a flowchart showing reader-side processing. This process is executed when the barcode reader 10 is powered on.

  In the first S100, the connection operation is started. This process attempts to connect to the key device 90 from the barcode reader 10 side. On the other hand, when the key device 90 determines that the barcode reader authentication is necessary, the key device 90 transmits a pass key necessary for the authentication.

  In subsequent S110, it is determined whether or not a passkey has been transmitted. If it is determined that a passkey has been transmitted (S110: YES), the process proceeds to S120. On the other hand, when it is determined that no pass key is transmitted (S110: NO), the processing of S120 and S130 is not executed, and the process proceeds to S140.

  In S120, the user is prompted to read the code. This process prompts the operator to read the code. For example, the operator is prompted to read the code via the LED 50 or the speaker 60. On the other hand, the operator reads the barcode 102 (see FIG. 3) attached to the track 100 by the reader unit 40 of the barcode reader 10. FIG. 3B shows the barcode 102 in an enlarged manner.

  In subsequent S130, it is determined whether or not the code reading is completed. If it is determined that the code has been read (S130: YES), the process proceeds to S140. On the other hand, while the reading of the code is not completed (S130: NO), the processing from S120 is repeated.

  In S140, a communication line is established. In this process, the pass key transmitted from the key device 90 and the pass key read as a bar code are collated to establish a communication line. When the pass key is not transmitted, authentication with the pass key has already been completed, and a communication line is established using the held link key.

  Next, key side processing executed by the control unit 20 of the key device 90 will be described. FIG. 5 is a flowchart showing the key side processing. This process is executed when the key device 90 is powered on. It is assumed that the power source of the key device 90 is turned on when the ignition switch of the track 100 is turned off, for example.

In S200, connection time processing is executed. This process corresponds to S100 in FIG. 4, and FIG. 6 is a flowchart showing details of the connection process.
In the first S201, a connection waiting state is set. This process waits for a connection request from the surrounding barcode reader 10.

  In subsequent S202, it is determined whether or not there is a connection request. If it is determined that a connection request has been made (S202: YES), the process proceeds to S203. On the other hand, while there is no connection request (S202: NO), the processing from S201 is repeated.

  In S203, it is determined whether or not authentication has been completed. If a communication line with the barcode reader 10 has been established in the past, an affirmative determination is made. If it is determined that authentication has been completed (S203: YES), the processing at S204 is terminated without executing the processing of S204. On the other hand, if it is determined that the authentication has not been completed (S203: NO), the pass key is transmitted in S204, and then the connection process is terminated.

  Returning to FIG. 5, in S210, an unlocking process is executed. This process is for unlocking the loading platform door 101 when a communication line is established. FIG. 7 is a flowchart showing details of the unlocking process.

  In first S211, it is determined whether or not a communication line has been established. If it is determined that a communication line has been established (S211: YES), the process proceeds to S212. On the other hand, when it is determined that the communication line has not been established (S211: NO), the subsequent process is not executed and the unlocking process is terminated.

  In S212, it is determined whether or not unlocked. If it is determined that the door has been unlocked (S212: YES), the processing of S213 is not executed and the unlocking process is terminated. On the other hand, if it is determined that unlocking has not been performed (S212: NO), that is, if it is locked, unlocking is instructed in S213, and then the unlocking process is terminated. In response to the unlocking instruction of S213, the motor of the key unit 92 is driven by the motor driver 81 of the key control unit 80, and the protrusion 92a of the key unit 92 is buried.

  Returning to FIG. 5, in S220, a locking process is executed. This process is for locking the loading platform door 101 when the communication line is disconnected. FIG. 8 is a flowchart showing details of the locking process.

  In the first S221, it is determined whether or not the communication line is disconnected. If it is determined that the communication line has been disconnected (S221: YES), the process proceeds to S222. On the other hand, when it is determined that the communication line is not disconnected (S221: NO), the locking process is terminated without executing the subsequent processes.

  In S222, it is determined whether or not it is locked. If it is determined that the lock is made (S222: YES), the process of S223 is not executed and the lock process is terminated. On the other hand, if it is determined that it is not locked (S222: NO), that is, if it is unlocked, locking is instructed in S223, and then the locking process is terminated. In response to the locking instruction in S223, the motor of the key portion 92 is driven by the motor driver 81 of the key control portion 80, and the protruding portion 92a of the key portion 92 protrudes.

  Returning to FIG. 5, in S230, it is determined whether or not the power is turned off. This process determines whether or not the power of the key device 90 is turned off. If it is determined that the power is turned off (S230: YES), the process proceeds to S240. On the other hand, when it is determined that the power is not turned off (S230: NO), the processing from S210 is repeated. It is assumed that the power source of the key device 90 is turned off when the ignition switch of the track 100 is turned on, for example.

  In S240, a power-off process is executed. This process is for locking the loading platform door 101 when the power of the key device 90 is turned off. FIG. 9 is a flowchart showing details of the power-off process.

  In the first S241, it is determined whether or not the door is locked. If it is determined that the lock is applied (S241: YES), the process of S242 is not executed, and the power-off process is terminated. On the other hand, if it is determined that it is not locked (S241: NO), that is, if it is unlocked, locking is instructed in S242, and then the power-off process is terminated. In response to the locking instruction in S242, the motor of the key unit 92 is driven by the motor driver 81 of the key control unit 80, and the protruding portion 92a of the key portion 92 protrudes.

Next, the effect which the locking system of this embodiment exhibits is demonstrated.
In the locking system of this embodiment, the barcode reader 10 performs a connection operation (S100 in FIG. 4). The key device 90 enters a connection waiting state by starting the power supply (S201 in FIG. 6), and when there is a connection request from the barcode reader 10 (S202: YES), it determines whether or not it has been authenticated (S203). ). If authentication has not been performed in the past (S203: NO), the key device 90 transmits its own passkey (S204). When the pass code is transmitted (S110: YES in FIG. 4), the barcode reader 10 prompts the reading of the code (S120). When the reading of the code is completed (S130: YES), the communication line is established (S140).

  As a result, even if the key device 90 and the barcode reader 10 do not have a one-to-one correspondence, the pass key for the barcode reader 10 to authenticate the key device 90 is read (S130 in FIG. 4: YES). ), A communication line is established based on the passkey (S140). As a result, smooth unlocking / locking by the track-side key device 90 can be realized using the bar code reader 10 that the operator individually has.

  In the present embodiment, when the barcode reader 10 has not been authenticated in the past (S203: NO in FIG. 6), the key device 90 transmits its own pass key (S204). On the other hand, the barcode reader 10 collates the pass key read as the information code with the pass key transmitted from the key device 90. As a result, the verification of the passkey can be performed relatively easily.

  Furthermore, when the bar code reader 10 transmits a pass key (S110: YES in FIG. 4), it prompts the user to read the code (S120). This makes it convenient for the operator to determine whether or not the information code needs to be read, and the reading timing.

  In the present embodiment, the power supply in the key device 90 is started when the ignition switch of the track 100 is turned off, and the power supply in the key device 90 is stopped when the ignition switch of the track 100 is turned on. Thereby, useless power supply can be reduced. It also contributes to idling stop when loading and unloading.

  Moreover, when the power supply is stopped, the key device 90 locks the lock target (S241: NO, S242 in FIG. 9). Thereby, since locking is performed when the power supply is stopped, sufficient security can be ensured.

  In this embodiment, the loading platform door 101 of the truck 100 constitutes “locking target”, the key device 90 constitutes “key device”, and the barcode reader 10 constitutes “portable device”. Further, the reader unit 40 of the barcode reader 10 constitutes “code reading means”.

As described above, the present invention is not limited to the embodiment described above, and can be implemented in various forms without departing from the technical scope thereof.
(B) In the above embodiment, the barcode is read by the barcode reader 10, but the barcode may be read by a cellular phone unique to the operator. Further, not only a one-dimensional code such as a bar code but also a two-dimensional code such as a QR code may be read.

  (B) The reader unit 40 may be provided on the key device 90 side. In this case, for example, the control unit 20 of the key device 90 executes the reader side process (see FIG. 4), and the portable device executes the connection time process (see FIG. 6) in the key side process. That's fine.

  (C) In the above embodiment, the key device 90 is installed on the loading platform door 101 of the truck 100. However, the key device 90 may be attached to a hand cart for collection and delivery. That is, the present invention can be applied to all the locking objects that the operator frequently leaves.

  10: Bar code reader, 20: Control unit, 21: Controller, 22: Flash ROM, 23: RAM, 24: I / O interface, 30: Communication unit, 31: Baseband controller, 32: High frequency circuit, 33: Antenna 40: reader unit, 41: CCD / CIS sensor, 50: LED, 60: speaker, 70: power management unit, 71: DC / DC converter, 72: charging circuit, 73: rechargeable battery, 80: key control unit, 81: Motor driver, 91: Key controller, 92: Key part, 92a: Protruding part, 100: Truck, 101: Cargo door, 102: Bar code, 103, 104: Handle

Claims (7)

A key device for locking the lock target, and a portable device capable of establishing a communication line with the key device, and when the communication line is established, the lock target is unlocked by the key device , a front Symbol locking system where the locking target is adapted to be locked with the communication line is disconnected by the key device,
One of the key device and the portable device has a code reading means for reading an information code indicating a pass key for authenticating the other,
The key device and the portable device establish the communication line based on a pass key indicated by the information code read by the code reading unit ,
If the other of the key device and the portable device has not been authenticated in the past, it sends its passkey,
One of the key device and the portable device collates the pass key read by the code reading means with the pass key transmitted from the other . The locking system according to claim 1 ,
One of the key device and the portable device prompts reading of the information code when the pass key is transmitted. The locking system according to claim 1 or 2 ,
The locking device is used for locking a cargo door of a vehicle, and power supply is started when an ignition key of the vehicle is turned off. In the locking system according to any one of claims 1 to 3 ,
The locking device is used for locking a cargo door of a vehicle, and power supply is stopped when an ignition switch of the vehicle is turned on. In the locking system according to any one of claims 1 to 4 ,
The lock system locks the lock target when power supply is stopped. The key apparatus which comprises the locking system as described in any one of Claims 1-5 . The portable apparatus which comprises the locking system as described in any one of Claims 1-5 .

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