JP2007096669A - Interphone device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interphone device of a radio type which makes installation of a water leak sensor easy, simultaneously makes addition of the water leak sensor possible even after installation of an interphone device easily, furthermore requires no maintenance after installation. <P>SOLUTION: The device is composed of a water leak detection unit 32 which is composed to make a water leak sensor 3 possible to carry out self-power generation by water leakage, and a transmitting unit 31 which performs radio transmission of a water leak alarm signal which is composed to add an ID number to the water leak alarm signal of the water leak detection unit 32. The water leak detection unit 32 is composed of aluminum 35, a water absorptivity sheet 36, and charcoal 37; and the transmitting unit 31 is composed of an ID number setting unit 33 which establishes the ID number, and an alarm transmitting unit 34 which performs radio transmission of the water leak alarm signal which is composed of the water leak detection signal by the electric power supplied from the water leak detection unit 32 and the ID number. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an intercom apparatus, and more particularly to an intercom apparatus having a function of notifying occurrence of water leak by connecting a plurality of water leak sensors.

Some conventional intercom devices are connected to a water leak sensor to detect water leaks in pipes such as waterworks and water leaks in washing machines. For example, in the intercom device described in Patent Document 1, a controller is connected to a security intercom device (room base unit), a water leak sensor is connected to the controller, and if the water leak sensor detects water leak, the controller A leak signal is sent to the parent unit. In addition, the controller receives power from the living room master unit or is directly connected to the power source to drive the connected water leak sensor.
JP 2000-36089 A (FIG. 5)

However, the above conventional intercom apparatus requires a wiring for connecting the water leak sensor to a controller or the like, so that the installation work is troublesome. In addition, as shown in the above-mentioned Patent Document 1, the configuration in which a controller is interposed in the living room master unit and the water leak sensor is connected to the controller requires a terminal block and an interface circuit in the controller. Those that can be directly connected to a water leak sensor require a terminal block and an interface circuit in the base unit of the room, so it was difficult to add a water leak sensor once the intercom device was installed.
For this reason, it is possible to eliminate the need for an interface circuit by making the water leak sensor wireless, and to eliminate the wiring to the living room master unit or the controller. Is necessary, and wiring for that is necessary, and if it is battery-powered to eliminate the wiring of the power supply, wiring is not necessary at all, but periodic battery replacement is necessary, so it should be wireless This creates new problems.

  Therefore, in view of such a problem, the present invention makes it easy to install a water leak sensor by using a wireless system, allows easy addition of a water leak sensor even after the installation of an interphone device, and also provides maintenance after installation. It is an object to provide an intercom device that is not necessary.

In order to solve the above-mentioned problems, the invention described in claim 1 includes an entrance cordless handset installed at the entrance for calling a resident, and a room base set installed inside the room for calling with a visitor. The intercom apparatus is configured such that a water leak sensor for detecting a water leak is connected to the living room master unit. The water leak sensor includes a water leak detection unit configured to be capable of self-power generation by water leak, and a water leak detection unit. A transmission unit that wirelessly transmits a water leakage warning signal configured by adding an ID number to the water leakage detection signal, and the transmission unit includes an ID number setting unit that sets the ID number and power supplied from the water leakage detection unit And a warning transmitter that wirelessly transmits a leakage warning signal consisting of a leakage detection signal and an ID number. Wherein the ID number identifying unit for identifying the source, further comprising a base unit loudspeaker for notifying a leak occurs in an alarm sound or voice synthesized sound.
With this configuration, the water leak sensor is wireless, so there is no need for signal transmission wiring, and there is no need for an interface corresponding to each sensor, so it is easy to add a water leak sensor even after installing an intercom device. it can. And since a water leak sensor self-power-generates and transmits a signal, securing of a power supply is unnecessary, and a water leak sensor can be installed easily. In addition, since batteries are not used, regular maintenance such as battery replacement is not necessary.

The invention according to claim 2 is characterized in that, in the invention according to claim 1, the living room base unit has a water leakage alarm display unit for displaying the occurrence or location of the water leakage alarm based on the received ID number. To do.
With this configuration, the water leak sensor that has detected the water leak can be specified by the parent device, and it does not take time to specify where the water leak has occurred.

The invention of claim 3 is the invention according to claim 1 or 2, wherein the living room master and the water leak sensor are installed in each dwelling unit of the apartment house, and the management room master is connected. Is characterized in that the living room base unit has a water leak alarm reporting unit for reporting to the management room base unit.
With this configuration, the management room is also notified in addition to the room where the water leak has occurred, so even if there is no resident in the room, the manager can recognize the occurrence of the water leak, and a quick response is possible. .

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the entrance handset has a handset speaker for notifying a water leak alarm, and the room base unit is a water leak alarm signal of the water leak sensor. Is wirelessly received, in addition to notifying the main unit speaker with an alarm sound or a voice synthesized sound, the slave unit speaker is informed.
With this configuration, if a water leak occurs, it will be reported not only in the living room but also at the entrance outside the living room, so even if there is no resident in the room, the occurrence of the water leak can be reported to the neighboring neighborhood, and prompt response It becomes.

The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the water leakage detection unit has a water absorbing sheet containing aluminum, charcoal, and salt, and the water leakage is absorbed by the water absorbing sheet. It is characterized by self-power generation through chemical reaction.
With this configuration, the water leakage detection unit can be created with a simple configuration at low cost, and a harmful substance such as mercury is not used, so that the configuration can be made environmentally friendly.

  According to the present invention, since the water leak sensor is wireless, wiring for signal transmission is not necessary, and there is no need for an interface corresponding to each sensor. Can be added. And since a water leak sensor self-power-generates and transmits a signal, securing of a power supply is not required, and a water leak sensor can be installed easily. Further, since no batteries are used, there is no need for regular maintenance such as battery replacement.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing an example of an intercom apparatus according to the present invention. 1 is an entrance cordless handset installed at a front door to call a resident, and 2 is a room installed inside the room for talking with a visitor. Base unit 3 is a water leak sensor.

  The front cordless handset 1 has a handset speaker 10, a handset microphone 11, a call button 12, a camera 13 for imaging visitors, and the like. The home base unit 2 includes a base unit speaker 14, a base unit microphone 15, a call button 16, a monitor 17 that displays a captured image of the camera 13, an alarm stop button 18, and the like. In addition, water leak sensors 3 are installed at multiple locations such as pipes such as waterworks and sewers, the lower part of bathrooms, toilets, washing machines, etc., as well as the interior of walls where rainwater can enter and the ceiling. It is installed so that it can quickly detect rain leaks.

  The room master unit 2 has a circuit configuration shown in the circuit block diagram of FIG. In FIG. 2, 20 is a touch panel, 21 is an alarm receiver for receiving an alarm signal transmitted from the water leak sensor 3, 22 is a water leak alarm notifier for outputting an alarm signal to the outside, and 24 is a signal received. ID number identifying unit for identification, 25 is a telephone circuit, 26 is a parent CPU for controlling the parent room 2, 27 is a memory for storing touch panel display information, etc. 28 is a child machine IF for connecting the entrance child machine 1 A water leak sensor setting program 29 is incorporated in the parent CPU 26. The monitor 17 is composed of an LCD, and includes a touch panel 20 on the front surface. The monitor 17 also serves as a setting operation unit for making various settings and a water leakage alarm display unit for displaying the occurrence of water leakage.

  As shown in FIG. 3, the water leak sensor 3 includes a transmission unit 31 and a water leak detection unit 32. The transmission unit 31 includes an ID number setting unit 33 for adding an ID number to the transmission signal, and an alarm transmission unit 34 for wirelessly transmitting the occurrence of water leakage. The water leakage detection unit 32 includes a container 38 having an opening 38a in the upper portion, a plus electrode 35a formed of aluminum, a sheet-like aluminum 35 that also serves as the minus electrode 35b, and a water absorption property such as a paper towel containing salt. The sheet 36 and the charcoal 37 are used, the positive electrode 35a is brought into direct contact with the charcoal 37, and the aluminum 35 is brought into contact with the outside of a paper towel arranged so as to wrap the charcoal 37. The positive electrode 35 a is connected to the positive power supply terminal 40 a of the transmission unit 31, and the negative electrode 35 b is connected to the negative power supply terminal 40 b of the transmission unit 31.

The intercom apparatus configured as described above operates as follows. In addition, the response operation | movement in the living room main | base station 2 with respect to the call from the entrance child machine 1 is the same as that of the conventional intercom apparatus, and since it is not the summary of this invention, it abbreviate | omits and demonstrates a water leak detection operation | movement.
First, the ID and the like of the water leak sensor 3 are registered / changed by the living room master unit 2. By performing a predetermined operation on the touch panel 20 of the living room main unit 2, the water leak sensor setting program 29 is activated, and a list for selecting the mounting position is displayed on the touch panel 20 on the monitor 17. The ID number and attachment position of each water leak sensor 3 are registered from this list. The attachment position is registered in advance by selecting words and icons such as “kitchen” and “bathroom” in the memory 27 of the room master unit and selecting these displays. This registration operation may be performed by selecting a katakana or kanji character to create a word, or a message is stored for each ID number of the water leak sensor 3 using the main unit microphone 15 of the living room main unit 2. 27 may be registered by a recording method.

When water enters the opening 38a of the water leakage sensor 3 set in this way, moisture is sucked into the water absorbent sheet 36, and the aluminum-electrode in the salt water in which the salt contained in the water absorbent sheet 36 is dissolved 35b becomes a cation (Al ³⁺ ), dissolves in salt water, and emits electrons (3e ⁻ ). On the other hand, oxygen (O ₂ ) contained in the surface of the charcoal 37 takes in electrons (4e ⁻ ), chemically reacts with water (H ₂ O), and releases anions (OH ⁻ ). This chemical reaction generates a DC voltage of about 1 volt between the positive electrode 35a and the negative electrode 35b.

  The DC voltage generated between the plus electrode 35a and the minus electrode 35b is applied to the transmission unit 31, and the alarm transmission unit 34 reads the ID number set by the ID setting unit 33 and adds the ID number to the water leakage alarm signal. Is transmitted to the room master unit 2. The arrow in FIG. 1 indicates transmission of a signal with the ID number added. In this way, the water leak sensor generates power and outputs a water leak alarm signal.

When the living room master unit 2 receives the water leak warning signal, the master unit CPU 26 searches the ID number registered in advance in the ID number identifying unit 24 and associates it with the mounting position information of the water leak sensor 3 corresponding to the ID number. The monitor 17 displays a water leak alarm and water leak sensor mounting position information. At the same time, control is performed so that a water leak alarm sound is output from the main unit speaker 14 and a water leak alarm sound is output from the sub unit speaker 10 of the entrance terminal 1.
Furthermore, when the living room base unit 2 is installed in a living room of an apartment house and a management room base unit (not shown) is connected, water leakage has occurred in the management room base unit via the water leak alarm notification unit 22. Make a report. In addition, when connected to an external monitoring center or disaster prevention center, it is recommended to report the occurrence of water leakage to the center.

By making the water leak sensor wireless in this way, no wiring for signal transmission is required, and there is no need for an interface corresponding to each sensor, so it is easy to add a water leak sensor even after installing an intercom device. Can do. And since a water leak sensor self-power-generates and transmits a signal, securing of a power supply is unnecessary, and a water leak sensor can be installed easily. Further, since no batteries are used, there is no need for regular maintenance such as battery replacement.
In addition, since each water leak sensor transmits a signal including an ID number, it is possible to specify the water leak sensor that has detected the water leak in the living room master unit, and it takes time to specify where the water leak has occurred. There is no such thing.
In addition, if a water leak occurs, it will be reported not only from the living room but also from the entrance cordless handset, so that the occurrence of water leak can be reported to the neighboring neighborhood, and the water leak alarm reporting unit also notifies the control room and other remote locations Even if there is no resident in the room, it is possible to notify the outside and promptly respond.
In addition, the water leak sensor can be made of an inexpensive material such as aluminum, charcoal, or a water-absorbing sheet containing salt, and can be configured to be environmentally friendly because it does not use harmful substances such as mercury.

  In the above embodiment, the self-power generation configuration of the water leakage detection unit 32 is the aluminum 35, the water absorbent sheet 36, and the charcoal 37. However, it may be configured to generate power upon receiving water intrusion, for example, an aluminum foil. It is good also as a structure which is wrapped with a water-absorbing sheet containing salt and the surroundings is further wrapped with copper tape. In this case, the copper tape becomes a positive electrode and the aluminum foil becomes a negative electrode due to water intrusion, and power is generated at about 1 volt.

It is a block diagram which shows an example of embodiment of the intercom apparatus which concerns on this invention. FIG. 2 is a circuit block diagram of the living room master device of FIG. 1. It is a block diagram of a water leak sensor.

Explanation of symbols

  1. ····························································· Leak sensor 10 ············································································· , 22 .. Water leakage alarm reporting unit, 24 .. ID number identification unit, 26 .. Master CPU, 31 .. Transmission unit, 32 .. Water leakage detection unit, 33 .. ID number setting unit, 34. Alarm transmission part, 35 ... Aluminum, 36 ... Water absorbent sheet, 37 ... Charcoal.

Claims (5)

There is an entrance cordless handset installed at the entrance to call a resident and a room base set installed indoors for calling with a visitor. An intercom device to which a sensor is connected,
The water leakage sensor includes a water leakage detection unit configured to be capable of self-power generation due to water leakage, and a transmission unit that wirelessly transmits a water leakage warning signal configured by adding an ID number to the water leakage detection signal of the water leakage detection unit. ,
The transmission unit includes an ID number setting unit that sets an ID number, and an alarm transmission unit that wirelessly transmits a water leakage alarm signal including a water leakage detection signal and an ID number by power supplied from the water leakage detection unit.
The living room base unit wirelessly receives a water leakage warning signal emitted from the water leakage sensor, an ID number identification unit for identifying a transmission source, and notifies the occurrence of water leakage with an alarm sound or a voice synthesized sound. An intercom device comprising a master speaker for the purpose. The intercom apparatus according to claim 1, wherein the living room base unit includes a water leakage alarm display unit that displays occurrence or location of a water leakage alarm based on the received ID number. In the case where the living room base unit and the water leakage sensor are installed in each dwelling unit of the apartment house and the management room base unit is connected, the living room base unit notifies the management room base unit. The intercom apparatus according to claim 1, further comprising: a water leakage warning notification unit. The entrance cordless handset has a handset speaker for notifying a water leak alarm, and when the base station base station wirelessly receives the water leak warning signal of the water leak sensor, the base station speaker reports an alarm sound or a voice synthesized sound. The intercom apparatus according to claim 1, wherein in addition to performing the notification operation, the slave speaker is informed. 5. The water leakage detection unit includes a water absorbent sheet containing aluminum, charcoal, and salt, and the water leakage is absorbed into the water absorbent sheet to cause a chemical reaction to generate electricity. An intercom device according to any one of the above.

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