JP2004220099A - Interphone system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interphone system which improves safety against forgotten locking and visit by a suspicious person. <P>SOLUTION: The interphone system is provided with at least one calling switch 11 arranged outside a room which a visitor operates to call a resident, an electronic lock 20 installed in a gate, a call signal detecting circuit 31 which detects whether the calling switch 11 is operated, and an electronic lock control circuit 33 which makes the electronic lock 20 lock the gate when the call signal detecting circuit 31 detects the calling switch 11 being operated. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an intercom system, and more particularly to an intercom system capable of operating locking of an electronic lock.
[0002]
[Prior art]
Conventionally, as shown in FIG. 9, this type of intercom system has at least one intercom slave unit 2 ("slave unit" in the figure) provided outside the room and having a call switch 1 operated by a visitor to call a resident. The intercom base unit 4 includes a call signal detection circuit 3 that detects a call signal output from the call switch 1 of the intercom slave unit 2 when the call switch 1 of the intercom slave unit 2 is pressed. (In the figure, abbreviated as “master device”) and an electronic lock 5 installed at the gate. The intercom master device 4 has an electronic lock opening and closing operation in which a resident manually opens and closes the electronic lock 5. A switch 6 and an electronic lock control circuit 7 for controlling the opening and closing of the electronic lock 5 based on the operation of the electronic lock opening and closing switch 6 are further provided. The electronic lock 5 is controlled only by operating an electronic lock exclusive switch such as an electronic lock open / close switch 4 or a switch (not shown) for controlling the electronic lock 5 separately provided in the intercom slave unit 2. (For example, see Patent Document 1). In some cases, the intercom system and the electronic lock control system are installed as separate systems.
[0003]
[Patent Document 1]
JP-A-5-86756
[Problems to be solved by the invention]
However, in such a conventional intercom system, since the electronic lock must be manually locked by the intercom master unit, the security is low against forgetting to lock or suddenly visiting a suspicious person. There was a point.
[0005]
The present invention has been made to solve such a problem, and an object of the present invention is to provide an intercom system with improved security against forgetting to lock or visiting a suspicious person.
[0006]
[Means for Solving the Problems]
An intercom system according to the present invention is provided outside a room, and is operated by a visitor to at least one call switch for calling a resident, an electronic lock installed at a gate, and detection for detecting that the call switch is operated. Means and electronic lock control means for locking the electronic lock when the operation of the call switch is detected by the detection means.
[0007]
With this configuration, the electronic lock can be locked in conjunction with the call switch, and the security against forgetting to lock or sudden visits of a suspicious person is improved.
[0008]
Further, the intercom system of the present invention is provided outside the room, the visitor is detected by at least one visitor detection means for detecting a visitor, an electronic lock installed at a gate, and the visitor detection means. Electronic lock control means for locking the electronic lock when the electronic lock is turned on.
[0009]
With this configuration, the electronic lock can be locked according to a detection signal from, for example, an infrared sensor or the like, which detects a visitor, and improves security against forgetting to lock or suddenly visiting a suspicious person. It will be.
[0010]
Further, the intercom system of the present invention may further include an electronic lock state display unit for displaying a state of the electronic lock. With this configuration, the resident can easily check the state of the electronic lock.
[0011]
Further, the intercom system of the present invention may further include electronic lock control setting means for setting a control condition of the electronic lock, wherein the electronic lock control means sets the electronic lock in accordance with the setting of the electronic lock control setting means. May be locked. With this configuration, when the operation of the call switch is detected, or when the visitor is detected, whether or not to lock the electronic lock is set by the electronic lock control setting means, for example, the visitor In such a case, it is possible to eliminate the trouble of the resident to open the electronic lock, and to prevent the resident from being erroneously shut out when the resident temporarily goes outdoors.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, similar components are denoted by the same reference symbols and symbols.
[0013]
(First Embodiment)
[0014]
As shown in FIG. 1, an intercom system according to a first embodiment of the present invention is provided outside a room and has at least one intercom slave unit 10 (see FIG. 1) having a call switch 11 operated by a visitor to call a resident. , The electronic lock 20 installed at the gate, and the intercom sub unit 10, and receives a call signal output from the call switch 11 of the intercom sub unit 10. In addition, it informs the resident of the visitor's visit and has an intercom master unit 30 (abbreviated as "master unit" in the figure) operated by the resident.
[0015]
The intercom master unit 30 is electrically connected to the call switch 11 of the intercom slave unit 10 and, when the call switch 11 of the intercom slave unit 10 is operated, a call signal output from the call switch 11 of the intercom slave unit 10. The electronic lock 20 is locked when a call signal from the call switch 11 of the intercom slave device 10 is electrically connected to the call signal detection circuit 31 to be detected and the electronic lock 20. It has an electronic lock control circuit 33 and an electronic lock open / close switch 35 that is electrically connected to the electronic lock control circuit 33 and that is operated by a resident to open and close the electronic lock 20.
[0016]
The operation of the thus configured intercom system according to the first embodiment of the present invention will be described below with reference to FIG. FIG. 2 shows an operation flow of the intercom system according to the first embodiment of the present invention. As shown in FIG. 2, in the intercom system according to the first embodiment of the present invention, when caller 11 of intercom slave 10 is pressed by a visitor (step S101), a call signal is output (step S102). If the call signal is detected by the call signal detection circuit 31 of the intercom master device 30 (step S103), the electronic lock control circuit 33 of the intercom master device 30 is notified of the visitor's visit (step S104). The electronic lock 20 is locked by the electronic lock control circuit 33 of the master device 30 (step S105). The resident confirms and responds to the visitor through the monitor (not shown) of the intercom master 30 and the speaker (not shown), and operates the electronic lock opening / closing switch 35 of the intercom master 30 as necessary. Then, the electronic lock 20 is opened and closed (step S106).
[0017]
The resident can operate the electronic lock opening / closing switch 35 at any time as needed.
[0018]
As described above, in the intercom system according to the first embodiment of the present invention, at least one intercom slave unit 10 is provided with the call switch 11 operated by a visitor to call a resident, and the intercom master unit 30 is provided with: A paging signal detection circuit 31 for detecting that the paging switch 11 has been operated, and an electronic lock for locking the electronic lock 20 installed on the gate when the operation of the paging switch 11 is detected by the paging signal detection circuit 31. Since the control circuit 33 is provided, the electronic lock 20 can be locked in conjunction with the call switch 11, and the security against forgetting to lock or suddenly visiting a suspicious person can be improved.
[0019]
In the above-described embodiment, the electronic lock 20 is opened and closed from the intercom master device 30. However, the electronic lock 20 may be opened and closed from a control panel (not shown) of the electronic lock system.
[0020]
(Second embodiment)
[0021]
FIG. 3 is a schematic block diagram of a main part of an intercom system according to a second embodiment of the present invention. This is different from the first embodiment in that an interlock master 40 (abbreviated as “master” in the figure) is further provided with an electronic lock open / close indicator 41 for displaying the open / close state of the electronic lock 20. Are different.
[0022]
The electronic lock opening / closing indicator 41 of the intercom master unit 40 is electrically connected to the electronic lock control circuit 33, and receives the state of the electronic lock 20 from the electronic lock control circuit 33, for example, the state such as open, closed, and failure. , To be displayed.
[0023]
The electronic lock opening / closing indicator 41 of the intercom master unit 40 is, for example, an LED display, a lamp, a liquid crystal display, or the like, and displays an image of a monitoring camera (not shown) provided in the intercom master unit 40 ( (Not shown) on the screen.
[0024]
The operation of the thus configured intercom system according to the second embodiment of the present invention will be described below with reference to FIG. FIG. 4 shows an operation flow of the intercom system according to the second embodiment of the present invention. This is different from the first embodiment in that steps S201 and S202 for further displaying the state of the electronic lock 20 on the electronic lock open / close display 41 of the intercom master unit 40 are provided.
[0025]
In detail, when the electronic lock 20 is locked by the electronic lock control circuit 33 of the intercom master 40 (step S105), the electronic lock control circuit 33 of the intercom master 40 opens and closes the electronic lock of the intercom master 40. An instruction is given to display the closed state of the electronic lock 20 on the display 41, and accordingly, the closed state of the electronic lock 20 is displayed by the electronic lock opening / closing display 41 of the intercom master unit 40 (step S201). The resident confirms and responds to the visitor through the monitor (not shown) of the intercom master unit 40 or the speaker (not shown), and operates the electronic lock opening / closing switch 35 of the intercom master unit 40 as necessary. After the lock of the electronic lock 20 is released (step S106), the electronic lock control circuit 33 of the intercom master 40 controls the electronic control of the intercom master 40. Instruction to display the opened state of the electronic lock 20 in opening and closing the display unit 41 is made, which in accordance with, the electronic lock-off indicator 41 intercom master unit 40, the open state is displayed in the electronic lock 20 (step S202).
[0026]
The status display of the electronic lock 20 on the electronic lock opening / closing display 41 of the intercom master unit 40 may be displayed at any time other than the steps S201 and S202, or may be displayed when necessary. Is also good.
[0027]
As described above, in the intercom system according to the second embodiment of the present invention, since the electronic lock opening / closing indicator 41 is provided on the intercom master device 40, the resident can easily check the state of the electronic lock. Can be.
[0028]
(Third embodiment)
[0029]
FIG. 5 is a schematic block diagram of a main part of an intercom system according to a third embodiment of the present invention. This is different from the second embodiment in that an intercom master 50 (abbreviated as “master” in the figure) is further provided with an electronic lock control setting switch 51 for setting control conditions of the electronic lock 20. Are different.
[0030]
The electronic lock control setting switch 51 of the intercom master unit 50 is, for example, a dip switch, a dedicated switch, an operation sheet key, an operation button, or the like. When a call signal is detected by the call signal detection circuit 31 of the intercom master unit 50 Then, whether or not to lock the electronic lock 20 is set.
[0031]
In the present embodiment, when the setting of the electronic lock control setting switch 51 of the intercom master device 50 is ON, the locking of the electronic lock 20 is performed when the calling signal detection circuit 31 of the intercom master device 50 detects the calling signal. On the other hand, when the setting of the electronic lock control setting switch 51 of the intercom master device 50 is off, the electronic lock 20 is locked even when the call signal is detected by the call signal detection circuit 31 of the intercom master device 50. Not to be. The operation when the electronic lock control setting switch 51 of the intercom master device 50 is turned on and off may be reversed.
[0032]
The electronic lock control setting switch 51 of the intercom master device 50 is electrically connected to the electronic lock control circuit 33 of the intercom master device 50. Based on the setting of the electronic lock control setting switch 51 of the intercom master 50, the electronic lock control circuit 33 of the intercom master 50, when the call signal is detected by the call signal detection circuit 31 of the intercom master 50, It is determined whether or not to lock the electronic lock 20.
[0033]
The operation of the thus configured intercom system according to the third embodiment of the present invention will be described below with reference to FIG. FIG. 6 shows an operation flow of the intercom system according to the third embodiment of the present invention. This is different from the second embodiment in that when a call signal is detected by the call signal detection circuit 31 of the intercom master device 50, the electronic lock control setting switch 51 of the intercom master device 50 The difference is that the electronic lock control circuit 33 of the intercom master device 50 further includes a step S301 for determining whether or not to lock the electronic lock 20.
[0034]
Specifically, when the call signal detection circuit 31 of the intercom master device 50 notifies the electronic lock control circuit 33 of the intercom master device 50 of the visitor's visit (step S104), the electronic lock control circuit of the intercom master device 50 33, the setting of the electronic lock control setting switch 51 of the intercom master device 50 is referred to, and when the calling signal detection circuit 31 of the intercom master device 50 detects a calling signal, whether or not to lock the electronic lock 20 is determined. Is determined (step S301). Here, if the setting of the electronic lock control setting switch 51 of the intercom master device 50 is ON, that is, if the setting is to lock the electronic lock 20, the process proceeds to step S105 for locking the electronic lock 20. If the setting of the electronic lock control setting switch 51 of the intercom master unit 50 is off, that is, if the electronic lock 20 is set not to be locked, the process ends.
[0035]
As described above, the intercom system according to the third embodiment of the present invention further includes the electronic lock control setting switch 51 for setting the control conditions of the electronic lock 20, and the electronic lock control circuit 33 includes the electronic lock control setting switch. Since the electronic lock 20 is locked in accordance with the setting of 51, when the operation of the call switch 11 is detected, whether or not to lock the electronic lock 20 is set by the setting switch. In this case, the resident can save the trouble of unlocking the electronic lock, and can be prevented from being erroneously locked out when the resident temporarily goes outdoors.
[0036]
In the above embodiment, the interlock master unit 50 is provided with the electronic lock open / close indicator 41, but it is not always necessary to provide it.
[0037]
(Fourth embodiment)
[0038]
FIG. 7 is a schematic block diagram of a main part of an intercom system according to a fourth embodiment of the present invention. This is different from the third embodiment in that at least one infrared sensor 60 for detecting a visitor or the like approaching the vicinity of the gate is further provided, and the intercom master 70 (abbreviated as “master” in the figure). A difference is that a visitor detection signal detection circuit 71 for detecting a visitor detection signal from the infrared sensor 60 is further provided.
[0039]
The operation of the thus configured intercom system according to the fourth embodiment of the present invention will be described below with reference to FIG. FIG. 8 shows an operation flow of the intercom system according to the fourth embodiment of the present invention. This is different from the third embodiment in that steps S401 to S403 for detecting a visitor detection signal from the infrared sensor 60 are further provided.
[0040]
Specifically, when a visitor is detected by the infrared sensor 60 (step S401), a visitor detection signal is output by the infrared sensor 60 (step S402), and a visitor detection signal detection circuit of the intercom master unit 70 is provided. By 71, the visitor detection signal is detected (step S403), and the visit of the visitor is notified (step S104). If the visitor is not detected by the infrared sensor 60 (step S401), the process returns to monitoring the pressing of the call switch 11 (step S101).
[0041]
As described above, the intercom system according to the fourth embodiment of the present invention includes at least one infrared sensor 60 that is provided outdoors and detects a visitor, and the electronic lock 20 that is installed at a gate. The base unit 70 is provided with an electronic lock control circuit 33 that locks the electronic lock 20 when a visitor is detected by the infrared sensor 60, so that the electronic lock 20 is operated according to a detection signal from the infrared sensor 60. Locking can be performed, and security against forgetting to lock or suddenly visiting a suspicious person can be improved.
[0042]
Further, in the above embodiment, the intercom master 70 has the electronic lock open / close indicator 41 and the electronic lock control setting switch 51, but these may not necessarily be provided, or only one of them may be used.
[0043]
【The invention's effect】
As described above, the present invention provides that at least one call switch provided outside the room and operated by a visitor to call a resident, an electronic lock installed at a gate, and that the call switch is operated. When the operation of the call switch is detected by the detecting means, and the electronic lock control means locks the electronic lock when the operation of the call switch is detected, the electronic lock is locked in conjunction with the call switch. It is possible to provide an intercom system having an excellent effect that safety can be improved with respect to forgetting to lock or suddenly visiting a suspicious person.
[Brief description of the drawings]
FIG. 1 is a schematic block diagram showing a main part of an intercom system according to a first embodiment of the present invention. FIG. 2 is an operation flow diagram of the intercom system according to a first embodiment of the present invention. FIG. 4 is a schematic block diagram showing a main part of an intercom system according to a second embodiment of the present invention. FIG. 4 is an operation flow diagram of an intercom system according to a second embodiment of the present invention. FIG. 5 is a third embodiment of the present invention. FIG. 6 is a schematic block diagram showing a main part of an intercom system according to an embodiment; FIG. 6 is an operation flow diagram of the intercom system according to a third embodiment of the present invention; FIG. FIG. 8 is an operation flowchart of an intercom system according to a fourth embodiment of the present invention. FIG. 9 is a schematic block diagram showing a main part of a conventional intercom system.
Reference Signs List 10 intercom slave 11 call switch 20 electronic lock 30 intercom master 31 call signal detection circuit (detection means)
33 Electronic lock control circuit (electronic lock control means)
35 electronic lock open / close switch 40 intercom master unit 41 electronic lock open / close display (electronic lock state display means)
50 Intercom master unit 51 Electronic lock control setting switch (electronic lock control setting means)
60 infrared sensor (visitor detection means)
70 Intercom master unit 71 Visitor detection signal detection circuit (Visitor detection means)

Claims (4)

At least one call switch provided outside the room, operated by a visitor, and calling a resident;
An electronic lock installed at the gate,
Detecting means for detecting that the call switch has been operated;
An intercom system comprising: electronic lock control means for locking the electronic lock when the operation of the call switch is detected by the detection means. At least one visitor detecting means provided outside the room for detecting a visitor;
An electronic lock installed at the gate,
An intercom system comprising: electronic lock control means for locking the electronic lock when the visitor is detected by the visitor detection means. The intercom system according to claim 1, further comprising an electronic lock state display unit for displaying a state of the electronic lock. Electronic lock control setting means for setting control conditions of the electronic lock, further comprising:
4. The intercom system according to claim 1, wherein said electronic lock control means locks said electronic lock in accordance with a setting of said electronic lock control setting means.

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