JP3841041B2 - Locking system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bathroom door locking system for locking and unlocking a door in a specific room such as a bathroom.
[0002]
[Prior art]
In recent years, there is a risk that an infant may enter the bathroom alone outside of the bath and accidentally fall into the bathtub with remaining hot water. This can prevent such an accident from occurring in the bathroom. It has been demanded.
[0003]
Therefore, in recent system baths, etc., it can be operated from both the dressing room and the bathroom, but a manual lock is installed at a certain height of the bathroom door so that it cannot be operated by short infants. By locking the manual lock from the dressing room side with the bathroom door closed except when taking a bath, an infant cannot enter the bathroom alone.
[0004]
[Patent Document 1]
JP-A-7-152975 [0005]
[Problems to be solved by the invention]
However, in the system bath as described above, the bathroom door may be forgotten to be locked after bathing, and if the bathroom door is forgotten to be locked, the bathroom or the dressing room may be used to lock the bathroom door. Even if it is not, it is necessary to go to the dressing room and operate the manual lock installed on the bathroom door, and the locking work becomes complicated, so there is a problem that the bathroom door is locked and lost.
[0006]
Then, the subject of this invention is providing the locking system which can lock the door of a room reliably after leaving in view of the problem mentioned above.
[0007]
[Means for solving the problems and effects thereof]
In order to solve the above problems, the invention according to claim 1 is directed to an electric lock that locks a door of a specific room, and the specific room that is installed at a predetermined height so that an infant under a predetermined height is not detected. And a first human body detection sensor for detecting whether there is a person of a predetermined height or more, and a human body detection signal output from the first human body detection sensor is input to the electric lock. When the door of the specific room is unlocked and the first human body detection sensor detects that there is no person above the predetermined height in front of the specific room, The present invention provides a locking system in which a lock performs a locking operation.
[0008]
As described above, in this locking system, when it is detected by the first human body detection sensor that there is no person over a predetermined height in front of a specific room, the electric lock performs a locking operation. So, if you close the door of the room after leaving, even if there is only an infant under the prescribed height in front of the room, the door of the room is automatically locked, and the room for one infant alone It is possible to reliably prevent entry into the room.
[0009]
Further, as in the locking system of the invention according to claim 2, in a state in which the door of the specific room is locked , the person having a predetermined height or more in front of the specific room is detected by the first human body detection sensor. If the electric lock is designed to perform an unlocking operation when a person with a height of more than a predetermined height enters the room, the door of the room is Because it is not necessary to perform the unlocking operation, it is convenient, and when only an infant under the specified height is in front of the room, the door of the room will not be unlocked. Entering the room can be reliably prevented.
[0010]
Further, in order to solve the above-mentioned problems, the invention according to claim 3 is characterized in that an electric lock that locks a bathroom door and a predetermined height in a dressing room that is installed at a predetermined height so that an infant below a predetermined height is not detected. A first human body detection sensor for detecting whether or not there is a person, and a human body detection signal output from the first human body detection sensor is input to the electric lock, and the bathroom door In the unlocked state, when the first human body detection sensor detects that there is no person above a predetermined height in the dressing room, the locking system is configured to perform the locking operation. Is to provide.
[0011]
As described above, in this locking system, when the first human body detection sensor detects that there is no person of a predetermined height or more in the dressing room, the electric lock performs the locking operation. After that, if the bathroom door is closed, even if there are only infants under the prescribed height in the dressing room, the bathroom door will be automatically locked to ensure that only one infant can enter the bathroom. Can do.
[0012]
In particular, as in the locking system of the invention according to claim 4, an electric lock that locks the bathroom door and a person of a predetermined height or more in a dressing room that is installed at a predetermined height so that an infant below a predetermined height is not detected A first human body detection sensor for detecting whether or not there is a human body detection signal output from the first human body detection sensor, and a second human body detection sensor for detecting whether or not there is a person in the bathroom A human body detection signal output from the second human body detection sensor is input to the electric lock , and the first human body detection sensor undresses the bathroom door in an unlocked state. The electric lock performs the locking operation only when it is detected that there is no person above the predetermined height in the field and the second human body detection sensor detects that there is no person in the bathroom. Become In the ones who are, for example, when a person enters into the bathroom to bathe, without bathroom door is automatically locked, a situation occurs like human trapped inside a bathroom There is nothing.
[0013]
Further, as in the locking system of the invention according to claim 5, in the state where the bathroom door is locked, it is detected by the first human body detection sensor that there is a person of a predetermined height or more in the dressing room. And in the case where the electric lock is designed to perform the unlocking operation, when a person of a predetermined height or more enters the bathroom, it is not necessary to perform the unlocking operation of the bathroom door each time, It is convenient, and when only an infant under a predetermined height is in the dressing room, the bathroom door is not unlocked, so that it is possible to reliably prevent the infant alone from entering the bathroom.
[0014]
Further, as in the locking system of the invention according to claim 6, the operation means of a water heater installed outside the bathroom, and a communication means for connecting the electric lock and the operation means so as to communicate with each other, the operation If the means is to notify whether the electric lock is in the locked state or the unlocked state based on the operation signal transmitted from the electric lock, the means can be used until the dressing room. Even if it is not, the locked state of the bathroom door can be immediately grasped by the operation means of the water heater installed in the kitchen or the like.
[0015]
Further, as in the locking system of the invention according to claim 7, a door state detection sensor for detecting an open / closed state of the bathroom door, and a communication means for connecting the door state detection sensor and the operation means so as to communicate with each other. And the operating means is configured to notify the opening / closing state of the bathroom door based on a door state detection signal transmitted from the door state detection sensor. By checking, it is possible to know whether the bathroom door is actually locked or not. If the bathroom door is open even though the electric lock is locked, that is, the bathroom door is actually When it is not locked, it can respond immediately, so that it is possible to prevent an accident of an infant occurring in the bathroom.
[0016]
In particular, as in the locking system of the invention according to claim 8, a door state detection sensor for detecting an open / closed state of the bathroom door, and a communication means for connecting the door state detection sensor and the operation means so as to communicate with each other. And the operating means is configured such that when the electric lock is in a locked state based on an operation signal transmitted from the electric lock and a door state detection signal transmitted from the door state detection sensor, the bathroom door It is desirable to determine whether or not the door is actually locked, and to display that when the bathroom door is not actually locked.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments will be described with reference to the drawings. As shown in FIG. 1, the bathroom door locking system 1 detects an electric lock 10 that locks the bathroom door D and a person H other than the infant C that is installed in the dressing room DR and is located in the dressing room DR. 1st human body detection sensor 20, 2nd human body detection sensor 30 which is installed in bathroom BR, and detects the person in bathroom BR, 1st human body detection sensor 20, and 2nd human body detection sensor 30 And an electric lock 10 are communicably connected to each other.
[0018]
As shown in FIG. 2, the electric lock 10 includes a metal plate 11 installed on the bathroom door D and a main body 12 installed on the door frame DF of the bathroom door D. The main body 12 Is an electromagnet unit 13 that attracts and holds the metal plate 11 installed in the bathroom door D by energization, a microcomputer 14 that controls energization of the electromagnet unit 13, and the microcomputer 14 and the two-core communication line 41. The bathroom door D is locked when the electromagnet unit 13 of the main body 12 attracts and holds the metal plate 11 installed in the bathroom door D, and the electromagnet unit 13 When suction holding of the metal plate 11 is released, the bathroom door D is unlocked.
[0019]
The first human body detection sensor 20 is configured by an infrared sensor, a photoelectric tube, an ultrasonic sensor, or the like installed at a predetermined height in the dressing room DR so that only a person H other than the infant C can be detected. The human body detection signal output from the first human body detection sensor 20 is input to the microcomputer 14 of the electric lock 10 via the two-core communication line 41 and the two-core communication unit 15. (Send).
[0020]
The second human body detection sensor 30 includes an artificial retina sensor for imaging the inside of the bathroom BR, an infrared sensor for detecting a person entering the bathroom BR, and the like. The human body detection signal to be output is input (transmitted) to the microcomputer 14 of the electric lock 10 via the two-core communication line 41 and the two-core communication unit 15.
[0021]
The microcomputer 14 mounted on the electric lock 10 performs energization control on the electromagnet unit 13 based on the human body detection signals respectively output from the first human body detection sensor 20 and the second human body detection sensor 30. Therefore, the energization control will be described with reference to the flowchart shown in FIG.
[0022]
First, the microcomputer 14 determines whether or not there is a person H other than the infant C in the dressing room DR based on the human body detection signal from the first human body detection sensor 20 (step S1), and the infant in the dressing room DR. If there is no person H other than C, then it is determined whether or not there is a person in the bathroom BR based on the human body detection signal from the second human body detection sensor 30 (step S2). If there is no person, the electromagnet unit 13 is energized to start or continue to perform the locking operation or continue the locking state (step S3).
[0023]
On the other hand, if there is a person H other than the infant C in the dressing room DR in step S1, or if there is a person in the bathroom BR in step S2, the energization of the electromagnet unit 13 is stopped or the energization stop state is continued. The unlocking operation is performed or the unlocking state is continued (step S4).
[0024]
As described above, in this bathroom door locking system 1, the first human body detection sensor 20 detects that there is no person H other than the infant C in the dressing room DR, and the second human body detection sensor 30 Only when it is detected that there is no person in the bathroom BR, the electric lock 10 automatically performs the locking operation (in the locked state, the locked state is continued). If the bathroom door D is closed after bathing, even if only the infant C is in the dressing room DR, the bathroom door D is automatically locked, and it is ensured that the infant alone cannot enter the bathroom BR. In addition, when a person enters the bathroom BR to take a bath, the bathroom door D is not automatically locked and a situation occurs in which the person is trapped in the bathroom BR. There is nothing.
[0025]
Further, in this locking system 1, only when the first human body detection sensor 20 detects that there is a person H other than the infant C in the dressing room DR while the bathroom door DR is locked, Since the electric lock 10 performs the unlocking operation, when a person H other than the infant C enters the bathroom BR alone or enters the bathroom BR together with the infant C, the bathroom door D is unlocked each time. There is no need to perform an operation, which is convenient. Moreover, when only the infant C is in the dressing room DR, the bathroom door D is not unlocked, so that it is possible to reliably prevent the infant alone from entering the bathroom.
[0026]
4 and 5 show another embodiment. Since this locking system 2 basically has the same configuration as the locking system 1 described above, the same components are denoted by the same reference numerals, description thereof is omitted, and different portions will be described in detail.
[0027]
In the locking system 1 described above, the electric lock 10 is only automatically locked and unlocked based on the human body detection signals output from the first human body detection sensor 20 and the second human body detection sensor 30. The locking system 1 is further different from the locking system 1 described above in that information such as the locking state of the electric lock 10 can be notified.
[0028]
Specifically, as shown in FIG. 4, the electric lock 10, the first human body detection sensor 20, the second human body detection sensor 30, and the kitchen operation remote controller 60 installed in the kitchen as an operation means for the water heater 50. Are connected so as to be communicable via the two-core communication lines 41 and 42 and the water heater 50. As shown in FIG. 5, the electric lock 10 further includes a magnet (permanent magnet) installed on the bathroom door D. ) 16 and a reed switch 17 that is mounted on the main body 12 and detects the magnetic force of the magnet 16.
[0029]
The reed switch 17 mounted on the main body 12 of the electric lock 10 closes the bathroom door D, and when the magnet 16 approaches, detects the magnetic force of the magnet 16 and outputs an ON signal to the microcomputer 14. When the magnet 16 is separated by opening D, the magnetic force of the magnet 16 cannot be detected. Therefore, an OFF signal is output to the microcomputer 14, and ON, which is output from the reed switch 17, The open / close state of the bathroom door D can be detected based on the OFF signal.
[0030]
Therefore, the magnet 16 and the reed switch 17 correspond to the door state detection sensor in the inventions according to claims 5 and 6, and are output from the reed switch 17 and transmitted to the kitchen operation remote controller 60 by the microcomputer 14. The ON and OFF signals correspond to the door state detection signal in the inventions according to claims 5 and 6.
[0031]
The water heater 50 and the kitchen operation remote controller 60 are equipped with controllers 51 and 61 that can communicate with each other via the two-core communication line 42 constituting communication means, respectively. 61 controls the operation of the water heater 50 in an integrated manner while cooperating with each other.
[0032]
The kitchen operation remote controller 60 includes a display unit 62 for displaying hot water supply related information such as a hot water supply set temperature, and various information such as a lock state of the electric lock 10 can be displayed using the display unit 62. It is displayed. That is, the controller 61 of the kitchen operation remote controller 60 indicates on the display unit 62 whether the electric lock 10 is locked or unlocked based on the operation signal transmitted from the microcomputer 14 of the electric lock 10. It is supposed to be displayed.
[0033]
Further, the controller 61 of the kitchen operation remote controller 60 has a bathroom on the display unit 62 based on a door state detection signal (ON / OFF signal output from the reed switch 17) transmitted from the microcomputer 14 of the electric lock 10. In addition to displaying the open / closed state of the door D, the bathroom door D is actually locked when the electric lock 10 is locked based on the operation signal and the door state detection signal transmitted from the microcomputer 14 of the electric lock 10. If the bathroom door D is not actually locked, a message to that effect is displayed.
[0034]
As described above, in this locking system 2, the display unit 62 of the kitchen operation remote controller 60 displays whether the electric lock 10 is in the locked state or the unlocked state. Even if it does not go to DR, if the display part 62 of the operation remote controller 60 for kitchens installed in the kitchen is seen, the locked state of the bathroom door D can be grasped | ascertained immediately.
[0035]
Moreover, in this locking system 2, while the opening / closing state of the bathroom door D is displayed on the display part 62 of the kitchen operation remote controller 60, the electric lock 10 is in the locked state, but the bathroom door D is not actually locked. In such a case, the display unit 62 displays that effect, so that by viewing the display unit 62 of the kitchen operation remote controller 60, it is possible not only to grasp the open / closed state of the bathroom door D, but also to If the bathroom door D is not actually locked even though the lock 10 is in the locked state, the state can be grasped directly, and the bathroom door D is closed to the dressing room DR. Thus, it is possible to respond immediately, so that it is possible to reliably prevent an infant accident occurring in the bathroom BR.
[0036]
In the above-described embodiment, the bathroom door D is not locked when there is a person in the bathroom BR even if there is no person H other than the infant C in the dressing room DR. However, the present invention is not limited to this. For example, if the bathroom door D can be unlocked from within the bathroom BR, the bathroom door D may be immediately locked if there is no person H other than the infant C in the dressing room DR. Is possible.
[0037]
Moreover, in embodiment mentioned above, when the bathroom door D is not actually locked although the electric lock 10 is not only the opening-and-closing state of the bathroom door D, but the electric lock 10 is actually locked, Although the fact is displayed on the display unit 62, the present invention is not limited to this, and only one of them can be displayed.
[0038]
In the above-described embodiment, the electric lock 10 that locks the bathroom door D by the main body 12 installed on the door frame DF of the bathroom door D sucking and holding the metal plate 11 installed on the bathroom door D. However, the present invention is not limited to this, and various types of electric locks can be used as long as the locking and unlocking operations can be controlled by electric signals. .
[0039]
Moreover, although embodiment mentioned above demonstrated the locking system 2 using the electric lock 10 in which the door state detection sensor was mounted, it is not limited to this, A door state detection sensor can also be provided independently. Is possible.
[0040]
In the above-described embodiment, information related to locking of the bathroom door D is displayed on the display unit 62 of the kitchen operation remote controller 60 installed in the kitchen. However, the present invention is not limited to this. In addition to the bathroom operation remote control installed in the bathroom, if multiple operation remote controls are installed, the same information may be displayed on any one of the operation remote controls except for the bathroom operation remote control. It is possible to display the same information on all operation remote controllers except the operation remote controller.
[0041]
In the above-described embodiment, the bathroom door locking system has been described. However, the present invention is not limited to this, and the present invention can be applied to the outside of the door, such as an indoor warehouse storage room or an attic storage room. Needless to say, the present invention can be applied to a door locking system for a specific room that needs to be locked.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram showing an embodiment of a locking system according to the present invention.
FIG. 2 is a block diagram showing a configuration of an electric lock used in the locking system same as above.
FIG. 3 is a flowchart showing the operation of the electric lock.
FIG. 4 is a schematic configuration diagram showing a locking system according to another embodiment.
FIG. 5 is a block diagram showing a configuration of an electric lock used in the above locking system.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1, 2 Locking system 10 Electric lock 11 Metal plate 12 Main body part 13 Electromagnet unit 14 Microcomputer 15 Two-core wire communication unit (communication means)
16 Magnet (door state detection sensor)
17 Reed switch (door state detection sensor)
20 First human body detection sensor 30 Second human body detection sensor 41, 42 Two-core communication line (communication means)
50 Water heater 51 Controller 60 Kitchen remote control 61 Controller 62 Display section D Bathroom door BR Bathroom DR Dressing room

Claims (8)

An electric lock that locks the door of a specific room,
A first human body detection sensor that detects whether or not there is a person of a predetermined height or more in front of the specific room, which is installed at a predetermined height so that an infant under a predetermined height is not detected;
A human body detection signal output from the first human body detection sensor is input to the electric lock;
When the door of the specific room is unlocked and the first human body detection sensor detects that there is no person above a predetermined height in front of the specific room, the electric lock is locked. Locking system that is designed to perform operations. When the door of the specific room is locked, when the first human body detection sensor detects that there is a person of a predetermined height or more in front of the specific room, the electric lock is unlocked. The locking system according to claim 1, wherein the locking system is configured to perform an operation. An electric lock that locks the bathroom door;
A first human body detecting sensor that is installed at a predetermined height so that an infant under a predetermined height is not detected and detects whether there is a person of a predetermined height or more in the dressing room ;
A human body detection signal output from the first human body detection sensor is input to the electric lock;
When the bathroom door is unlocked and the first human body detection sensor detects that there is no person over a predetermined height in the dressing room, the electric lock performs a locking operation. Locking system. An electric lock that locks the bathroom door;
A first human body detection sensor that is installed at a predetermined height so that an infant under a predetermined height is not detected and detects whether there is a person of a predetermined height or more in the dressing room;
Comprising a <br/> a second human body detection sensor for detecting whether or not there is a person in the bathroom,
The human body detection signal output from the first human body detection sensor and the human body detection signal output from the second human body detection sensor are input to the electric lock,
In a state where the bathroom door is unlocked, it is detected by the first human body detection sensor that there is no person above a predetermined height in the dressing room, and in the bathroom by the second human body detection sensor. A locking system in which the electric lock performs a locking operation only when it is detected that there is no person . In the state where the bathroom door is locked, when the first human body detection sensor detects that there is a person of a predetermined height or more in the dressing room, the electric lock performs an unlocking operation. The locking system according to claim 3 or 4. Operation means of water heaters installed outside the bathroom;
Communication means for communicatively connecting the electric lock and the operation means,
6. The operation means according to claim 3, 4 or 5, wherein the operation means notifies whether the electric lock is in a locked state or an unlocked state based on an operation signal transmitted from the electric lock. The locking system described. A door state detection sensor for detecting an open / closed state of the bathroom door;
Communication means for connecting the door state detection sensor and the operation means in a communicable manner,
The locking system according to claim 6, wherein the operation means notifies an open / closed state of the bathroom door based on a door state detection signal transmitted from the door state detection sensor. A door state detection sensor for detecting an open / closed state of the bathroom door;
Communication means for connecting the door state detection sensor and the operation means in a communicable manner,
When the electric lock is in a locked state based on the operation signal transmitted from the electric lock and the door state detection signal transmitted from the door state detection sensor, the operation means actually moves the bathroom door. The locking system according to claim 6, wherein it is determined whether or not the bathroom door is locked, and when the bathroom door is not actually locked, a message to that effect is displayed.

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