JP3041628B2 - Lobby intercom and monitoring call system for apartment using the same - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a novel lobby intercom that enables anyone to unlock a common entrance when an abnormality occurs, and a monitoring call system for an apartment house using the same.

[Prior art] Recently, in multi-story apartment buildings, etc., a mutual call is made between each dwelling unit and a manager's office, and security monitoring of each dwelling unit is centrally performed in the management's office or the like. A surveillance call system for apartment buildings is used.

FIG. 4 shows an example of the configuration of such a monitoring call system for a collective housing.
0, a housing information panel 200 is installed in each dwelling unit, a lobby intercom 300 is installed in the common entrance 500, and these are connected by a multiplex signal line l and a communication signal line lS, Between the alarm monitor panel 100 and each house information panel 200, or between the lobby intercom 300 and the alarm monitor panel 100 or the house information panel 20.
When the security sensor S connected to the house information panel 200 issues an interactive call with the home information panel 200 or a fire occurs in each dwelling unit and a fire is generated in each dwelling unit, a unique address is assigned from the house information panel 200. The multiplexed signal is transmitted to the alarm monitoring panel 100 via the multiplexed signal line l, and necessary alarm notification is performed.

In such an apartment house, the common entrance is usually locked by an electric lock (not shown) in order to improve security, and when the resident returns, the ten-keypad 300b of the lobby intercom 300 is operated to provide a password. Enter the password to unlock the electric lock.
At 0, the home information panel 200 of the dwelling unit to be visited is called to make a call, and the unlock switch 200a on the house information panel 200 side is operated to unlock the electric lock of the common entrance 500.

By the way, in such a system, when an abnormality occurs, a control signal is sent from the alarm monitoring panel 100 to the electric lock control panel 400 so that the evacuation guidance can be performed promptly when the abnormality occurs, and the electric lock of the common entrance 500 is transmitted. An emergency unlocking switch 300a is provided in the lobby intercom 300, and an emergency unlocking switch 300a is operated in the event of an emergency to unlock the electric lock of the common entrance 500 when an emergency occurs. There is a thing, and not only the caretaker and the dwelling person, but also a foreigner can unlock the common entrance 500 and take necessary measures immediately when an abnormality occurs.

However, in a system that automatically unlocks when an abnormality occurs, even if the electric lock is unlocked due to a false alarm, there is a problem in terms of security because the unlocked state is continued unless the alarm state is unlocked. The system provided with the emergency unlock switch 300a is easily unlocked due to mischief of a child or the like, and thus an improvement has been desired.

[Problems to be Solved by the Invention] The present invention proposed in view of the above-mentioned circumstances usually prevents unlocking of a common entrance and allows a third party to easily perform unlocking operation only when an abnormality occurs. The purpose is to provide a new lobby intercom with improved operability and reliability.

Another object of the present invention, which is proposed at the same time, is to provide a surveillance call system for a housing complex using the lobby intercom.

[Means for Solving the Problems] The present invention according to claim 1 proposed to achieve the above object is provided on a panel surface for unlocking an electric lock installed at a common entrance. An unlocking switch housed in the unlocking switch door, and unlocking switch door control means for allowing the unlocking switch door to be opened by a control signal transmitted from the alarm monitoring panel when an abnormality occurs. It has a configuration. An example of an unlocking switch door control means in such a system configuration includes an electromagnetic lock for electrically permitting and prohibiting opening of the unlocking switch door, and an electromagnetic lock control circuit for controlling the electromagnetic lock. can do.

According to a second aspect of the present invention, there is provided a monitoring call system for an apartment house incorporating the lobby intercom according to the first aspect.

In such a system configuration, an unlock signal output from a lobby intercom is transmitted to an electric lock control panel side via an alarm monitoring panel to perform unlock control,
An unlock signal output from the lobby intercom can be directly transmitted to the electric lock control panel to perform unlock control.

[Operation] In the lobby intercom of the present invention according to claim 1,
Normally, since no control signal is input to the unlock switch door control means, the unlock switch door can be opened, so that the unlock switch cannot be operated. However, when an abnormality such as a fire occurs, a control signal is input to the unlocking switch door control means, and the unlocking switch door is allowed to be opened. When the unlocking switch is operated, the unlocking signal is output and unlocking is performed. Locking is done.

In the system according to the second aspect of the present invention, since the control signal is not normally input to the unlock switch door control means, the unlock switch door cannot be opened, and the unlock switch cannot be operated. The electric lock at the entrance is not unlocked. However, when an abnormality occurs, a control signal is input to the unlocking switch door control means, and the opening of the unlocking switch door is permitted. Therefore, when the unlocking switch is operated, the unlocking signal is transmitted to the electric lock side. The joint entrance is unlocked.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the structure of a lobby intercom 1 according to the first embodiment of the present invention.
Is an unlock switch for sending an unlock signal to an electric lock control panel (to be described later), 11 is an unlock switch door control means for allowing the unlock switch door attached to the front of the unlock switch 10 to open, and 1a is Unlock switch door, 13 is a communication line control unit that performs line control for performing communication with an alarm monitoring panel (not shown) and a house information panel (not shown) via a communication signal line IS, and 12 is a control signal line. 1 is a signal processing unit that performs signal processing of each unit according to a control signal transmitted from an alarm monitoring panel (not shown) via the communication line 1 and controls the line of the communication line control unit 13.

The unlock switch door control means 11 includes an electromagnetic lock 11b for permitting and prohibiting the opening of the unlock switch door 1a, and an electromagnetic lock 11b for controlling the drive of the electromagnetic lock 11b according to a control signal transmitted from the alarm monitoring panel side. And a lock control circuit 11a.

In the lobby intercom 1 of the present invention having such a configuration, when no abnormality occurs, the electromagnetic lock control means is provided.
Electromagnetic lock 11b is driven by 11a and unlock switch door
Since the door 1a cannot be opened, the unlock switch 10 cannot be operated. However, when an abnormality such as a fire occurs, a control signal is transmitted from the alarm monitoring panel (not shown) to the electromagnetic lock control means 11a, the drive of the electromagnetic lock 11b is released, and the opening of the unlock switch door 1a is permitted. Therefore, if the unlock switch door 1a is opened and the unlock switch 10 is operated, the common entrance can be unlocked.

FIGS. 2 (a) and 2 (b) show such a panel surface of the lobby intercom 1 of the present invention. Since the unlock switch door 1a cannot normally be opened, an unlocking mechanism provided inside is provided. The switch 10 cannot be operated, but when an error occurs, the drive of the electromagnetic lock 11b is automatically released and the unlock switch door 1a can be opened, so the unlock switch door 1a is opened and the unlock switch 10 is operated. Then, the electric lock at the common entrance can be unlocked. In this embodiment, when the drive of the electromagnetic lock 11b is released, the unlock switch door 1a is automatically opened by a spring (not shown).

As described above, according to the lobby intercom 1 of the present invention, since the unlock switch 10 cannot be normally operated, it is possible to prevent the common entrance from being unlocked due to mischief of a child or the like. In the event of an outbreak, a person other than the caretaker and the resident can easily unlock the common entrance, so that necessary measures such as evacuation guidance can be taken promptly.

FIG. 3 shows an example of the configuration of a surveillance call system for a condominium using the lobby intercom 1 according to the present invention (corresponding to claim 2). I do.

In this system, when the unlocking switch 10 of the lobby intercom 1 is operated, an unlocking signal is transmitted directly to the electric lock control panel 400 via the signal line l1 to perform unlocking. Even if an abnormality occurs (especially when the alarm monitoring panel 100 is broken down), the unlocking switch 10 of the lobby intercom 1 can be operated to unlock the common entrance, It is possible to improve the reliability of the system.

In the figure, the unlock signal is transmitted directly from the lobby intercom 1 to the electric lock control panel 400. However, the present invention is not limited to such a configuration, and the unlock signal output from the lobby interphone 1 is transmitted to the alarm monitor panel 100. It is also possible to adopt a configuration for transmission to the electric lock control panel 400 via the side.

[Effect of the Invention] According to the present invention described in claim 1, the unlock switch cannot be normally operated, but anyone can easily operate the unlock switch when an abnormality occurs. In addition, it is possible to unlock the common entrance promptly when an abnormality occurs, and it is possible to provide a lobby intercom with improved operability and reliability.

According to the second aspect of the present invention, operability,
It is possible to provide a surveillance call system for an apartment house with improved reliability.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration example of a lobby intercom of the present invention, FIGS. 2 (a) and 2 (b) are explanatory diagrams of the operation of the unlock switch, and FIG. FIG. 4 shows an example of the configuration of a conventional monitoring call system for a condominium. [Explanation of Signs] 1. Lobby intercom 1a Unlock switch door 10 Unlock switch 11 Unlock switch door control means 100 Alarm monitoring panel 200 Residential information panel 500 Common entrance l …… Multiple signal lines lS …… Talk signal lines

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H04M 9/00

Claims (2)

(57) [Claims] At least a multiplex signal line and a call signal line are connected between an alarm monitoring panel provided in a management room or the like and a housing information panel provided in each dwelling unit. A lobby intercom having a common entrance unlocking function used in a surveillance call system for a multi-family housing for performing intercommunication and security surveillance control for unlocking an electric lock installed at the above-mentioned common entrance. An unlock switch housed in an unlock switch door provided on the panel surface, and a control signal transmitted from the alarm monitoring panel side when an abnormality occurs, to allow the unlock switch door to be opened. A lobby intercom comprising a lock switch door control means. 2. A monitoring call system for an apartment complex using the lobby intercom according to claim 1.