JP4087693B2 - Locking / unlocking control device and locking / unlocking control method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a locking / unlocking control device and a locking / unlocking control method for controlling locking / unlocking by wireless communication between a lock device and a key device.
[0002]
[Prior art]
Conventionally, a residential locking / unlocking system that includes a mobile key device held by a user and a lock device that receives an ID transmitted by the mobile key device and performs locking / unlocking based on an ID collation result by wireless communication is as follows. It is known from Patent Document 1 and the like.
[0003]
In this residential locking / unlocking system, for example, if the portable key device is left behind in the communication area with the lock device when the portable key device is in the communication range with the lock device, the portable key device is used from the outside when locked by the user from outside the house. It will not be possible to unlock.
[0004]
On the other hand, conventionally, an operation input mechanism such as a numeric keypad is provided outside the house to enable unlocking even when the portable key device is not held.
[0005]
[Patent Document 1]
JP 2000-227479 A
[0006]
[Problems to be solved by the invention]
However, it is necessary to provide a function for unlocking by wireless communication with a portable key device and a function for unlocking by operating a numeric keypad in a conventional residential locking / unlocking system, and it is necessary to provide duplicate functions for unlocking was there. Therefore, in the conventional residential locking / unlocking system, the anti-theft property is lowered and the cost is increased.
[0007]
Accordingly, the present invention has been proposed in view of the above-described circumstances, and is a locking / unlocking control capable of appropriately controlling the locking operation when the user goes out with the portable key device left in the house. An object is to provide a device and a locking / unlocking control method.
[0008]
[Means for Solving the Problems]
In the present invention, when a lock switch provided on the outside of the door body is operated, a wireless signal for requesting transmission of identification information and motion detection information indicating whether or not there is movement is carried from the lock / unlock control device. Identification information transmitted to the key device, acquired in advance from the identification information stored in advance and motion detection information obtained by the motion detection mechanism, transmitted from the portable key device to the locking / unlocking control device, and transmitted from the portable key device And the movement detection information is received by the locking / unlocking control device, the received identification information matches the identification information stored in advance on the door body side, and the received movement detection information indicates that there is movement. The above-mentioned problem is solved by locking the door body.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0010]
The present invention is applied to a residential locking / unlocking system configured as shown in FIG. 1, for example.
[0011]
[Configuration of residential locking and unlocking system]
As shown in FIG. 1, the residential locking / unlocking system includes an inner unit 2, an interface unit 3, and an electric thumb turn unit 4 provided inside the house of the door body 1, and an outer unit 5 provided outside the house of the door body 1. The outer unit 5 and the portable key device 10 are configured to perform wireless communication. Moreover, in the locking / unlocking system for a house, the door body 1 includes a door opening / closing switch 6 for detecting an opening / closing operation.
[0012]
In this residential locking / unlocking system, the inner unit 2, the electric thumb turn unit 4, the outer unit 5, and the door opening / closing switch 6 are connected to each other through a wire harness in the door body 1, so that wired communication can be performed. It is possible. Further, in this residential locking / unlocking system, the interface unit 3 is provided, for example, in any one of the houses, and monitors the locking / unlocking state of the door body 1, the visit of a visitor, etc. The inner unit 2 And connected via in-house wiring.
[0013]
The portable key device 10 is carried by the user and communicates with the outer unit 5 within a communication range set at a predetermined distance from the door body 1. In this residential locking / unlocking system, for example, there are a plurality of portable key devices 10 held by a resident of the residence, and for each portable key device 10, a key number ID given at the time of user registration and given at the manufacturing stage. The identification information of the key ID is given.
[0014]
The electric thumb turn unit 4 is provided with a locking / unlocking mechanism for rotating and locking the door body 1 when a rotational torque is applied. This locking / unlocking mechanism is given a rotational torque in accordance with a user's manual operation or control of the inner unit 2. In the electric thumb turn unit 4, when locking / unlocking is performed according to the control of the inner unit 2, the locking / unlocking mechanism 21 is operated to apply rotational torque to the locking / unlocking mechanism. The electric thumb turn unit 4 includes a locking / unlocking switch 22 that detects whether the door body 1 is locked or unlocked, and the locking / unlocking state is detected by the inner unit 2.
[0015]
"Configuration of portable key device"
As shown in FIG. 2, the portable key device 10 includes a CPU (Central Processing Unit) 31, a power supply unit 32, an LF (low frequency) receiver 33, a switch unit 34, a motion sensor 35, UHF ( An ultrahigh frequency (transmitter) 36 and an EEPROM (Electrically Erasable and Programmable Read Only Memory) 37 are connected. The portable key device 10 operates each unit when power is supplied from the power source unit 32 such as a battery.
[0016]
The LF receiver 33 is connected to an LF antenna 38 that receives a radio signal in the LF band (30 Hz to 300 Hz), and inputs a radio signal detected by the LF antenna 38. In the LF receiver 33, when a radio signal from the outer unit 5 is input by the LF antenna 38, the data is subjected to A / D conversion processing or the like and sent to the CPU 31. As information received by the LF receiver 33, in order to determine whether or not the portable key device 10 exists in the communication range of the outer unit 5, a transmission request for key ID information or a motion detection signal (motion flag) is made. There is a request signal.
[0017]
The UHF transmitter 36 is connected to a UHF antenna 39 that transmits a radio signal in the UHF band (300 to 3000 MHz), and transmits the radio signal to the outer unit 5 under the control of the CPU 31. In the UHF transmitter 36, when information to be transmitted from the CPU 31 is given, the UHF transmitter 36 transmits the signal to the UHF antenna 39 as a radio signal subjected to frequency modulation processing or the like. The information to be transmitted by the UHF transmitter 36 includes answer information including key ID information and motion flag information (motion detection information) whose value is set to “1” when the portable key device 10 is carried by the user. There is a back signal.
[0018]
The switch unit 34 includes, for example, a transistor, and is turned on when a drive signal from the CPU 31 is supplied to the base terminal, and sends a current from the power source unit 32 to the motion sensor 35.
[0019]
The motion sensor 35 includes, for example, a vibration sensor, and includes a switch mechanism that is turned on when vibration is generated in the portable key device 10. When the switch unit 34 is turned on by the CPU 31, the motion sensor 35 sends a signal indicating that vibration has occurred to the CPU 31 when the switch unit 34 is turned on.
[0020]
In response to the input of the request signal from the LF receiver 33, the CPU 31 performs a signal transmission process described later. In this signal transmission process, the CPU 31 reads out the key ID information stored in the EEPROM 37, sends it to the UHF transmitter 36, and operates the switch unit 34 to determine whether or not the portable key device 10 is vibrating. Determine if there is any movement. Then, the CPU 31 generates motion flag information from the on / off state of the motion sensor 35 and sends it to the UHF transmitter 36.
[0021]
“Configuration of inner unit 2 and outer unit 5”
Next, functional configurations of the inner unit 2 and the outer unit 5 will be described with reference to FIG.
[0022]
The outer unit 5 includes a first LF antenna 41, a second LF antenna 42, and a third LF antenna 43 in order to perform wireless communication with the portable key device 10. Further, the outer unit 5 includes a UHF antenna 45 that receives an answer back signal from the portable key device 10.
[0023]
The first LF antenna 41 and the second LF antenna 42 have coil winding directions opposite to each other, and the third LF antenna 43 is formed by winding a coil in a predetermined winding direction. The first LF antenna 41, the second LF antenna 42, and the third LF antenna 43 perform wireless communication with the portable key device 10 in a predetermined proximity communication range and are portable in a passive communication range wider than the predetermined proximity communication range. Wireless communication with the key device 10 is performed.
[0024]
In this example, in the outer unit 5, when the first LF antenna 41, the second LF antenna 42, and the third LF antenna 43 perform wireless signal communication in the near field communication range, the first LF antenna 41 and the second LF antenna 42 perform wireless communication. Perform signal transmission processing. On the other hand, the UHF antenna 45 performs an answerback signal reception process in the passive communication range.
[0025]
In the outer unit 5, the first LF antenna 41 and the second LF antenna 42 may perform transmission processing in the passive communication range, and the third LF antenna 43 may perform transmission / reception processing in the near communication range and passive communication range. .
[0026]
In the outer unit 5, the driver 47 causes the first LF antenna 41 and the second LF antenna 42 to perform transmission processing, and the base station 48 causes the third LF antenna 43 to perform reception processing according to the control of the outer unit control unit 46. Further, the UHF antenna 45 performs reception processing by the filter 49 and the RF processing unit 50. Here, the base station 48 uses an oscillator 51 for performing modulation processing at a predetermined frequency, and the outer unit control unit 46 uses an oscillator 52 for operating at a predetermined frequency.
[0027]
As described above, when the communication processing is performed on each unit, the outer unit 5 supplies power to each unit using the power supply unit 53.
[0028]
Further, in this outer unit 5, a lock (locking) switch 54 and an unlocking (unlocking) switch 55 operated by a user outside the house, an alarm buzzer 56 for warning the user outside the house, a user outside the house Are provided with a locking LED (Light Emitting Diode) 57 for presenting the unlocked state, and an unlocking LED 58 for presenting the unlocked state to the user outside the house. The lock switch 54 and the unlock switch 55 are turned on when operated by a user outside the house and are detected by the inner unit 2. The alarm buzzer 56, the locking LED 57, and the unlocking LED 58 are driven by the inner unit 2 in accordance with the locking / unlocking state.
[0029]
The outer unit control unit 46 controls the RF processing unit 50, the driver 47, and the base station 48 according to the control signal from the inner unit 2 to transmit / receive a radio signal to / from the portable key device 10 and receive it. When an answerback signal is input, it is output to the inner unit 2.
[0030]
The inner unit 2 includes an outer unit I / F (interface) 61 for inputting / outputting information to / from each part of the outer unit 5 configured as described above, an interface unit I / F 62 for inputting / outputting information to / from the interface unit 3, A first electric thumb turn I / F 63 and a second electric thumb turn I / F 64 for detecting the state of the electric thumb turn unit 4 and a door switch I / F 65 for detecting the state of the door opening / closing switch 6 are provided. In the present example, as the electric thumb turn unit 4, for example, the inner unit 2 having two locking / unlocking motors 21 and the locking / unlocking switch 22 above and below the door body 1 is shown.
[0031]
The inner unit 2 includes a registration key switch 66 and an indoor lock switch 67 operated by a user in the house, an inter-unit control unit 68 that controls each unit, and a battery 69 that supplies power to the inter-unit control unit 68. .
[0032]
The registration key switch 66 is operated when performing a registration process for enabling locking / unlocking by each portable key device 10, and the indoor locking switch 67 is operated when locking from the house. The operation of the registration key switch 66 and the indoor lock switch 67 is detected by the inter-unit control unit 68.
[0033]
The inter-unit control unit 68 is configured by, for example, a CPU (Central Processing Unit) and the like, and executes a locking control process described later by executing an internal locking control processing program. At this time, the inter unit control unit 68 acquires information from the outer unit 5 via the outer unit I / F 61 and sends a control signal for controlling the outer unit 5 to the outer unit 5. Further, the inter-unit control unit 68 detects the locking / unlocking state from the first electric thumb turn I / F 63 and the second electric thumb turn I / F 64.
[0034]
[Operation of residential locking and unlocking system]
Next, the operation of the residential locking / unlocking system when locking / unlocking with the portable key device 10, the inner unit 2 and the outer unit 5 configured as described above will be described.
[0035]
"Signal transmission processing of portable key device"
First, a signal transmission process when the portable key device 10 transmits a radio signal to the outer unit 5 will be described with reference to FIG.
[0036]
In the portable key device 10, for example, when the user locks the user when going out of the house, first, when the LF band request signal from the outer unit 5 is detected by the LF antenna 38, the LF receiver 33 performs demodulation processing or the like. Is sent to the CPU 31 (step S1). Here, the request signal includes key number ID information registered in the inner unit 2 and the outer unit 5.
[0037]
Next, the CPU 31 compares the key number ID information included in the request signal received in step S1 with the key number ID information stored in the EEPROM 37 to determine whether or not they match (step S2).
[0038]
When the key number ID information included in the received request signal matches the stored key number ID information, it is recognized as a request signal for itself and stored in the EEPROM 37 by the CPU 31. While reading the key ID information, a motion flag signal described later is generated (step S3), and the key ID information and the motion flag signal are sent to the UHF transmitter 36. As a result, the UHF transmitter 36 performs modulation processing or the like to transmit a radio signal from the UHF antenna 39 as an answerback signal including the key ID information and the motion flag signal (step S4).
[0039]
After the answer back signal is transmitted in step S4 or when the key number ID information included in the request signal received in step S2 does not match the stored key ID number information, the CPU 31 incorporates it. The timer is activated to start measuring time of 1 sec (step S5).
[0040]
Next, the CPU 31 determines whether or not there is a motion in the portable key device 10 by determining whether or not the motion sensor 35 is turned on (step S6), and there is a motion in the portable key device 10. If it is determined, a motion flag is set (step S7).
[0041]
Then, if it is 1 sec from the start of time measurement in step S5, the CPU 31 resets the motion flag, and if it is not 1 sec, the process returns to step S1 and steps S1 to S8 are performed. Repeat the process.
[0042]
When the portable key device 10 that performs such processing receives a request signal for itself, it returns an answer back signal including its own key ID information and motion flag signal to the outer unit 5. As a result, the portable key device 10 notifies the inner unit 2 and the outer unit 5 that it is in the near field communication range, and notifies the user whether or not there is movement by being held.
[0043]
"Locking control process by inner unit 2 and outer unit 5"
Next, the processing procedure of the locking control process performed by the inner unit 2 and the outer unit 5 for the portable key device 10 that performs the signal transmission process described above will be described with reference to FIGS. In this example, when five mobile key devices 10 (KEY1 to KEY5) are registered in advance and key number ID information and key ID information are stored in the inter-unit control unit 68, any mobile phone device 10 is stored. Processing when the user goes out with the key device 10 will be described.
[0044]
First, in the outer unit 5, for example, when the lock switch 54 is operated when the user locks the user when going out of the house by being held by the user (step S <b> 11), the operation is performed via the outer unit I / F 61. It is recognized by the control unit 68. In response to this, the inter-unit control unit 68 clears the collated flag and the lock permission flag held for the five portable key devices 10 by resetting them (step S12). The collated flag and the lock permission flag are stored and managed in a memory in the inter-unit control unit 68.
[0045]
Next, the inter-unit control unit 68 starts a built-in timer, and for each portable key device 10 (KEY1 to KEY5), the key ID information collation process and the lock permission flag setting process in steps S15 to S38. Is started (step S14).
[0046]
First, the inter-unit control unit 68 reads key number ID information registered as, for example, KEY1 from a memory (not shown), and transmits a request signal including the read key number ID information from the first LF antenna 41 and the second LF antenna 42. Thus, the outer unit 5 is controlled. At this time, the inter unit control unit 68 sends, for example, a request signal transmission request and the read key number ID information to the outer unit control unit 46 via the outer unit I / F 61. As a result, the inter unit control unit 68 controls the driver 47 to transmit the request signal from the first LF antenna 41 and the second LF antenna 42.
[0047]
In response to the transmission of the request signal as described above, when any portable key device 10 is within the communication range of the outer unit 5, the answerback signal is detected by the UHF antenna 45. The answer back signal is input to the inter unit control unit 68 via the outer unit control unit 46 and the outer unit I / F 61.
[0048]
When receiving the answer back signal, the inter unit control unit 68 compares the key ID information included in the answer back signal with the key ID information registered as KEY1 to determine whether or not they match ( Step S15).
[0049]
If it is determined that both key ID information matches, the inter-unit control unit 68 recognizes that the communication destination of the outer unit 5 is the registered portable key device 10 as KEY1, and the verification of the key ID information is completed. Recognizing and setting a collated flag corresponding to KEY1 (step S16). Next, the inter-unit control unit 68 determines whether or not the portable key device 10 registered as KEY1 has a motion by determining whether or not the motion flag included in the answer back signal is set (step S17). ). Here, setting each flag refers to, for example, a process of registering that it has been verified in a register in the inter-unit control unit 68 and a process of registering that there is a motion.
[0050]
If it is determined that there is movement in the portable key device 10 registered as KEY1, the inter-unit controller 68 sets a locking permission flag for the portable key device 10 registered as KEY1 (step S18). The process proceeds to the process of the portable key device 10 registered as KEY2. On the other hand, if it is determined that there is no movement in the portable key device 10 registered as KEY1, it is determined that the portable key device 10 is present in the communication range of the outer unit 5 but is not carried by the user, and is directly registered as KEY2. The process proceeds to the portable key device 10.
[0051]
If it is determined that the key ID information included in the answerback signal received in step S15 does not match the key ID information of the portable key device 10 registered as KEY1, the portable key device 10 registered as KEY1. It is determined whether or not verification has been performed in the past by determining whether or not the verification completion flag is set (step S19). As a result, if it is determined that collation has been performed, the process proceeds to step S18. If it is determined that collation has not been performed, the process proceeds to the process of the portable key device 10 registered as KEY2.
[0052]
Then, the inter-unit control unit 68 performs the same process as the process for the portable key device 10 registered as KEY1 (steps S15 to S19), and the portable key device 10 registered as KEY2 (steps S20 to S24). , Mobile key device 10 registered as KEY3 (step S25 to step S28), mobile key device 10 registered as KEY4 (step S30 to step S34 in FIG. 6), mobile key device 10 registered as KEY5 (step S35) To Step S39). As a result, the inter-unit control unit 68 determines whether or not the portable key device 10 registered as KEY2 and the portable key device 10 registered as KEY5 are within the communication range of the outer unit 5, and sets the collated flag. It is set, and it is determined whether or not it is held by the user, and a lock permission flag is set.
[0053]
After the collated flag and the lock permission flag are set for the registered portable key device 10, the inter-unit control unit 68 performs the processes of steps S15 to S39 for the first time when the lock switch 54 is operated in step S1. As a result, it is determined whether or not all the verified flags of KEY1 to KEY5 are reset (step S40). If the all-verified flag has been reset, the inter-unit control unit 68 determines that the user has operated the lock switch 54 in step S1 without carrying the portable key device 10, and the alarm buzzer 56 or Control is performed to drive the lock LED 58 and the like, an alarm is given that the portable key device 10 is not carried, and the process is terminated (step S43).
[0054]
On the other hand, when it is determined that any collated flag is set, the lock permission flag is set by the inter-unit control unit 68 among the portable key devices 10 for which the collated flag is set. It is determined whether or not the portable key device 10 is present (step S41).
[0055]
When it is determined that there is a portable key device 10 for which the lock permission flag is set, a control signal for performing a lock operation is sent to the electric thumb turn unit 4 via the first electric thumb turn I / F 63 and the second electric thumb turn I / F 64. (Step S42). Thereby, in the inter unit control part 68, the locking / unlocking motor 21 is driven and the door main body 1 is locked.
[0056]
On the other hand, if it is determined that there is no portable key device 10 for which the lock permission flag is set, it is determined whether 10 seconds have elapsed since the start of time measurement in step S13 (step S44). 5) When it is determined that 10 seconds have not elapsed, the processing from step S14 in FIG. 5 is repeated, and when it is determined that 10 seconds have elapsed, the alarm buzzer 56, the locking LED 57, etc. are driven and time is over. A warning to that effect is issued and the process is terminated (step S45).
[0057]
[Effect of the embodiment]
As described above in detail, according to the locking / unlocking system for a house according to the present embodiment, when there is a locking reservation act such that the lock switch 54 is operated by a user outside the house, the portable key device 10 Is present in the communication range of the outer unit 5 and the portable key device 10 is locked, so that it is possible to distinguish between the portable key device 10 carried by the user and the portable key device 10 misplaced in the residence. The locking operation can be appropriately controlled when the user goes out with the portable key device 10 left in the house.
[0058]
That is, according to this locking / unlocking system for a house, when the user operates the lock switch 54, when the portable key device 10 that does not move exists in the communication range of the outer unit 5, the locking reservation act is performed without locking. Can be canceled. Moreover, according to this residential locking / unlocking system, an alarm is given by the alarm buzzer 56 or the like when the locking reservation act is canceled, so that the user can prevent the portable key device 10 from being misplaced. In spite of being left behind, it is possible to prevent the situation of the user's containment by performing a locking operation and making it go out.
[0059]
The above-described embodiment is an example of the present invention. For this reason, the present invention is not limited to the above-described embodiment, and various modifications can be made depending on the design and the like as long as the technical idea according to the present invention is not deviated from this embodiment. Of course, it is possible to change.
[0060]
【The invention's effect】
According to the present invention, when the user who is outside the house is operated to lock, when the portable key device is in the communication range of the locking and unlocking control device and there is movement in the portable key device, the user is locked. Can be distinguished from a portable key device carried by a person and a portable key device left misplaced in a residence, and when a user goes out with the portable key device left misplaced in a house, the locking operation can be appropriately controlled. it can.
[Brief description of the drawings]
FIG. 1 is a diagram for explaining an outline of a configuration of a door main body and a portable key device to which the present invention is applied.
FIG. 2 is a block diagram showing a configuration of a portable key device.
FIG. 3 is a block diagram showing a configuration of an inner unit and an outer unit to which the present invention is applied.
FIG. 4 is a flowchart showing signal transmission processing of the portable key device.
FIG. 5 is a flowchart showing a processing procedure of locking control processing by an inner unit and an outer unit to which the present invention is applied.
FIG. 6 is a flowchart showing a processing procedure of locking control processing by an inner unit and an outer unit to which the present invention is applied.
[Explanation of symbols]
1 Door body
2 Inner unit
3 Interface unit
3 KEY
4 Electric thumb turn unit
5 Outer unit
6 Door open / close switch
10 Portable key device
21 Locking and unlocking motor
22 Locking / unlocking switch
31 CPU
32 Power supply
33 LF receiver
34 Switch part
35 Motion sensor
36 UHF transmitter
37 EEPROM
38 LF antenna
39,45 UHF antenna
41 1st LF antenna
42 Second LF antenna
43 3rd LF antenna
45 UHF antenna
46 Outer unit controller
47 Driver
48 base station
49 Filter
50 RF processing section
51,52 oscillator
53 Power supply unit
54 switches
54 Lock switch
55 Unlock switch
56 Alarm buzzer
57 Locking LED
58 Unlocking LED
61 Outer unit I / F
62 Interface unit I / F
63 1st electric thumb turn I / F
64 Second electric thumb turn I / F
65 Door switch I / F
66 Registration key switch
67 Indoor lock switch
68 Inter unit controller
69 battery

Claims (8)

Wireless communication means for performing wireless communication with a portable key device held by a user;
Locking operation means provided on the door body outside the house and operated when locking the door body by a user who goes out;
A locking drive control means for operating the locking and unlocking mechanism provided on the door body to lock the door body;
Storage means for storing identification information of the portable key device;
When the locking operation means is operated, a wireless signal requesting transmission of identification information to the portable key device and motion detection information indicating whether or not the portable key device has movement is transmitted to the portable key device. The identification information transmitted from the portable key device and received by the wireless communication device matches the identification information stored in the storage device and moves to the portable key device. And a locking / unlocking control unit that controls the locking drive control unit to lock the door body on the condition that the wireless communication unit has received motion detection information indicating that there is a movement detection information. Lock control device. The locking / unlocking control means controls the locking drive control means so as not to lock the door body when the wireless communication means does not receive movement detection information indicating that there is movement. The locking / unlocking control apparatus according to claim 1. Further comprising an alarm means for alarming a user outside the house,
The locking / unlocking control means controls the warning means so as to warn the user when a predetermined time has elapsed without receiving movement detection information indicating that there is movement by the wireless communication means. The locking / unlocking control apparatus according to claim 2. Further comprising an alarm means for alarming a user outside the house,
The storage means stores identification information of a plurality of portable key devices,
The lock / unlock control means controls the alarm means so as to warn a user when the wireless communication is impossible with all portable key devices. Locking / unlocking control device. When a lock switch provided on the outside of the door body is operated, a wireless signal requesting transmission of identification information and motion detection information indicating whether there is movement is transmitted from the lock / unlock control device to the portable key device. And steps to
Obtaining pre-stored identification information and motion detection information obtained by the motion detection mechanism, and transmitting from the portable key device to the locking and unlocking control device;
Receiving the identification information and motion detection information transmitted from the portable key device at the locking and unlocking control device;
A step of locking the door body when the received identification information matches the identification information stored in advance on the door body side and the received motion detection information indicates that there is movement. The locking / unlocking control method characterized by this. 6. The locking / unlocking control method according to claim 5, wherein when the movement detection information indicating that there is movement is not received by the locking / unlocking control apparatus, the door body is not locked. The locking / unlocking control method according to claim 6, wherein a warning is given to a user when a predetermined time has elapsed without receiving movement detection information indicating that there is movement by the locking / unlocking control apparatus. The identification information of a plurality of portable key devices is stored in the locking / unlocking control device,
6. The locking / unlocking control method according to claim 5, wherein a warning is given to a user when wireless communication is impossible with all portable key devices.

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