JP2006113983A - Bathroom abnormal condition detection system with bath sound unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a bather to surely recognize an alarm calling attention while music or the like sounds in a bathroom having a bath sound unit for preventing an erroneous report of the alarm and improving reliability of a system. <P>SOLUTION: The bath sound unit 10 and a controller 20 are connected to each other by a cable or by radio. Based on a signal from a human body detection sensor 30, if the body is determined to makes no movement for a predetermined time during detection of operation of the bath sound unit 10, the controller 20 sends a control signal to the bath sound unit 10 so that a predetermined alarm urging to move is outputted after sound output from the bath sound unit 10 is lowered, and subsequently, monitors body movement for a predetermined waiting time based on a signal from the human body detection sensor 30 for outputting an alarm if no body movement is detected during the waiting time as a monitoring result. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a bathroom abnormality detection system, and more particularly, to an improvement of a bathroom abnormality detection system provided with a bass sound unit in which music can be enjoyed in a bathroom.

Conventionally, as a system for notifying the occurrence of sudden illness or a fall accident in the bathroom, a system in which the bather himself notifies the outside person by pressing a button is known. If not, the button could not be pressed, and there was a problem that an outside person could not be notified.
Therefore, a system for detecting an abnormality based on the presence or absence of a body movement of a bather has been developed using various sensors for detecting sound and a human body. Patent Documents 1 and 2 listed below describe such sensors. The technique regarding the bathroom abnormality detection system used is disclosed.

In Patent Document 1, using a sound sensor that detects sound in the bathroom, the presence or absence of body movement of the bather is determined based on a change in the sound signal, and if no sound is detected for a long time, it is regarded as abnormal. A bathroom abnormality detection system for informing is disclosed.
However, in this case, if you have fallen asleep in a bathtub, you will not be able to detect the sound. There was a problem.
In Patent Document 2, in order to lose a false report when the person has fallen asleep in the bathtub as described above, in such a case, an alert is issued in the bathroom as a warning before informing the outside by an alarm. An anomaly detection system for bathrooms that plays a melody that requests operation is disclosed.
JP 2003-85667 A JP 2003-90886 A

  However, in recent years, the bathroom has not only been a place for washing the body, but has been developed as a relaxing place to relax the mind and body, with the ability to enjoy music etc. in the bathroom. Even if a notification sound such as a melody is sounded, a new problem arises that the sound is erased by music, voice, etc. flowing in the bathroom.

  The present invention has been made in view of the above problems, and in a bathroom provided with a bath sound unit, a bather can surely recognize a warning alerting even when music or the like is flowing in the bathroom, and a false alarm is reported. It is an object to improve the reliability of the system by losing it.

In order to solve the above-mentioned problem, a bathroom abnormality detection system provided with a bass sound unit according to claim 1 is provided. The bathroom abnormality unit is installed in a bathroom and includes a bass sound unit incorporating at least a speaker, and a human body detection sensor. Based on this signal, the presence or absence of human body movement is determined, and a combination with a bathroom abnormality detection system configured with a controller that outputs an abnormality alarm when there is no body movement for a predetermined time Has been.
Here, the bass sound unit and the controller are connected by wire or wirelessly, and the controller detects the operation of the bass sound unit for a predetermined time based on the signal from the human body detection sensor. When it is determined that there is no body movement, a control signal is sent to the bass sound unit, the sound output of the bass sound unit is reduced, and then a predetermined notification that prompts the body movement is given. Based on the signal from the detection sensor, the body movement is monitored during a predetermined waiting time, and when the body movement is not detected within the waiting time as a result of the monitoring, an alarm is output.

Here, the predetermined notification refers to a warning for calling attention to prompt body movement, and the notification method refers to a voice message, an alarm, or the like.
In addition, the bass sound unit that reduces the sound output before such notification only needs to reduce the sound volume to such an extent that a person can perceive a predetermined notification. For this purpose, the sound output may be set to zero.
The alarm only needs to be used for notifying a person outside the bathroom, such as a controller or reporter, that an abnormal situation has occurred if a person cannot be detected even if a predetermined notification is given. Anything that can be perceived by humans, such as alarms and alarms.

The system of the present invention proposed in claim 2 is configured by connecting the bass sound unit and the controller in a wired manner.
Here, the controller includes a speech synthesis circuit and a signal terminal, and the bass sound unit includes a signal terminal. The controller and the bass sound unit are connected by a signal line, and the controller Detects whether or not it is operating based on a status signal sent from the bass sound unit through the signal line, and if it is in operation, a message prompting the body movement generated by the voice synthesis circuit is sent to the signal The sound is sent to the bass sound unit through a line.

The system of the present invention proposed in claim 3 is configured by wirelessly connecting the bass sound unit and the controller.
Here, the controller includes a speech synthesis circuit and a wireless transmission / reception unit, and the bass sound unit includes a wireless transmission / reception unit, and the controller sends out the bass sound unit received by the wireless transmission / reception unit. Based on the status signal, it is detected whether or not it is in operation, and if it is in operation, a message for prompting body movement generated by the speech synthesis circuit is sent to the bass sound unit through the wireless transmission / reception unit. I am doing so.

According to the first aspect of the present invention, even when music or the like is being played in the bathroom, a warning (notification) for prompting a body movement is performed after the sound is muted or the volume is lowered. The bather can clearly hear a warning for alerting.
Even when a warning for prompting body movement is given, an alarm is output only when no body movement is detected, so that false alarms can be eliminated and the reliability of the system can be improved.

According to the second and third aspects, the warning (notification) for prompting the body movement is performed by a voice message, so that it is easy for a person to get used to and does not mix with other alarm devices.
Further, in claim 2, if the signal line can be detachably connected to the signal terminals of the bass sound unit and the controller, wiring work and construction are further facilitated.
Furthermore, according to the third aspect, since signals are transmitted and received wirelessly, wiring is unnecessary and the usability is good.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an example of a block diagram showing a configuration of a bathroom abnormality detection system provided with a bass sound unit employing the present invention, and FIG. 2 is a schematic diagram for explaining an example of a bathroom employing the present invention. In addition, the structure of a circuit block diagram and the structure of the bathroom 1 are not restricted to this.

  The present invention is applicable to a bathroom provided with a bath sound unit that can enjoy music, TV sound, etc. in the bathroom. In the figure, 1 is a bathroom, 2 is a dressing room, 3 is a bathtub, 4 is a washing place. Reference numeral 5 denotes an entrance to the bathroom. Also, on the wall that is easily reachable by bathers immersed in the tub 3, a water heater (not shown) or the like is remotely operated, a bath operation unit 50 for displaying the time, the temperature of the bathtub, etc., MD, TV, etc. Is the sound source 40, and the above-described bass sound unit 10 that can be heard in the bathroom 1 is attached. Reference numeral 30 denotes a human body detection sensor 30 that detects the movement of a human body. FIG. 2 shows an example of being attached to a wall surface, but the present invention is not limited to this, and may be a place suitable for other detection such as a ceiling. The human body detection sensor 30 may be any sensor that can detect the presence or absence of the body movement of the bather, such as a CCD camera or an artificial retina sensor that detects a change in color difference or luminance when the bather moves his body, a temperature change, A pyroelectric infrared sensor (PIR) or the like that detects the above is used, but is not limited thereto.

  FIG. 1 is a block diagram of a circuit configuration of a bathroom abnormality detection system according to the present invention. 10 is a bass sound unit, 11 is a microcomputer composed of a CPU or the like for controlling a control signal from the controller 20, 12 is an amplification circuit for amplifying signals from the sound source 40 and the microcomputer 11 and sending them to the speaker S1, 13 Is a volume control circuit that controls the volume based on a volume control signal from the controller 20 or an operation of the bass sound unit 10. 20 is operated based on a signal from the human body detection sensor 30, and is connected to the bath operation unit 50, the bath sound unit 10, and the alarm report destination 60, 21 is a sensor signal conversion circuit, and 22 is a predetermined time counter. The microcomputer 23 includes a timer unit 22a for controlling each circuit and the like, and 23 is an alarm circuit connected to the speaker S2. Here, the report destination 60 is a destination to notify a householder by an alarm when an abnormality in the bathroom 1 is detected, and is preferably a place where there is a person such as a kitchen or a living room.

  The present invention determines the presence or absence of body movement of the human body based on the bass sound unit 10, the human body detection sensor 30, and the signal from the human body detection sensor 30, and is abnormal when there is no body movement for a predetermined time. A bathroom abnormality detection system configured to include a controller 20 that outputs an alarm, and the controller 20 detects an operation of the bass sound unit 10 based on a signal from the human body detection sensor 30. When it is determined that there is no body movement for a predetermined time, a control signal is sent to the bass sound unit 10 to reduce the sound output of the bass sound unit 10 and then output a predetermined notification for prompting body movement, And after that, based on the signal from the human body detection sensor 30, the body movement is monitored for a predetermined waiting time, and as a result of the monitoring, the body movement is detected within the predetermined waiting time. When you do not come in which characterized in that it outputs an alarm.

That is, the controller 20 does not immediately output an alarm even if the body movement of the bather cannot be detected for a predetermined time, and immediately stops the sound output of the bass sound unit 10 or lowers the volume. Sends a control signal to the sound unit 10 to perform a predetermined notification for encouraging body movement, and then detects the body movement of the bather, and an abnormal situation occurs only when there is no body movement for a predetermined time. An alarm is output.
Here, the predetermined notification refers to a so-called warning that encourages body movement, and the volume of the bass sound unit 10 is such that a person (a bather) can detect the predetermined notification before the notification is performed. For this purpose, the sound output may be zero.
In addition, the alarm here is a notification notifying that an abnormal situation may have occurred in the bathroom as an abnormal situation if body movement is not detected even if the above-mentioned notification is given. Say.

FIG. 3 is a flowchart (100 to 109) for explaining the operation of the present invention.
When the human body detection sensor 30 detects a human body (a bather) in the bathroom 1, the timer unit 2a is activated (101). First, the T1 time is counted, and if there is no body movement within the T1 time, the T1 time elapses. A volume control signal for lowering (or muting) the volume and a warning notification signal for issuing a warning are sent to the bass sound unit 10 (105). After that, if there is no body movement within T2, time T2 After the elapse of time, the alarm circuit 23 is activated (109).

If body movement is detected within T1 time, it will be in a standby state for observing the presence or absence of body movement. On the other hand, if body movement is detected within T2 time after warning, sending of volume control signal and warning notification signal is stopped. It will be in a standby state. At this time, the recovery to the standby state may be configured such that the stop (off) is manually performed by a person (a bather), or may be automatically performed in conjunction with detection of body movement. .
Here, T1 time refers to the time until it is determined whether to issue a warning, and T2 time refers to the time until it is determined whether to issue an alarm. These times may be set in advance. In addition, a configuration that can be set on the user side may be adopted.

According to this configuration, even when music or the like is flowing in the bathroom 1, the sound is muted or the volume is lowered, and then the warning (notification) for prompting the body movement is performed. The bather can clearly hear the alert for alerting.
In addition, according to this, after detecting body movement and giving a warning, an alarm to the outside is output only when no body movement is detected. Reliability can be increased.

Here, at the same time as performing the above warning and alarm, the liquid crystal display unit (not shown) of the bath operation unit 50 may display a word prompting body movement, or may be provided with a light emitting body such as an LED to be lit or blinked. Good. According to this, attention can be urged not only by sound but also visually.
The warning and warning methods may be notified not only on the bass sound unit 10 side but on the controller 20 side as long as they can be sensed by a person in addition to the alarm or voice message. Especially if it is a voice message, it will be familiar to people and will not be confused with other alarm devices.
In the following, as another embodiment, a case where warning and warning are performed by voice message will be described.

  FIG. 4 is an example of a block diagram showing another embodiment of a bathroom abnormality detection system provided with a bass sound unit employing the present invention. Note that the circuit configuration is not limited to this, and the configuration, features, and operation flow of the present embodiment are the same as those in the first embodiment. Therefore, common portions are denoted by the same reference numerals, and descriptions thereof are omitted. To do.

In the present embodiment, the controller 20 includes a voice synthesis circuit 24 and a signal terminal T20, and the bass sound unit 10 includes a signal terminal T10 connected to the signal terminal T20 and the signal line L1, Further, Ta and Tb are provided as power terminals connected by the signal line L2.
The controller 20 detects whether or not it is in operation based on a state signal sent from the bass sound unit 10 through the signal line L1, and if it is in operation, a message for prompting body movement generated by the speech synthesis circuit 24. Is sent to the bass sound unit 10 through the signal line L1.

According to this configuration, it is possible to notify the user of an alert for prompting body movement or the occurrence of an abnormality by a voice message, so that it is easy for a person to get used to and is not confused with other alarm devices.
If the signal lines L1 and L2 can be detachably connected to the signal terminals T10, T20, Ta, and Tb of the bass sound unit 10 and the controller 20, wiring work and construction are further facilitated.
Here, the signal terminals T10 and T20 are provided and signals are transmitted and received by the signal line L1 (wired connection mode), but both may be configured to have a wireless transmission / reception unit (not shown) (wireless connection). Embodiment).
According to this, since signals are transmitted and received wirelessly, wiring is not required and user-friendliness is good.

It is the block diagram which showed the structure of the bathroom abnormality detection system which provided the bass sound unit of this invention. It is the schematic for demonstrating an example of the bathroom by which this invention was employ | adopted. It is a flowchart for demonstrating operation | movement of this invention. It is an example of the block diagram which showed another embodiment of the bathroom abnormality detection system which provided the bass sound unit of this invention.

Explanation of symbols

1 Bathroom 10 Bath Sound Unit 20 Controller 30 Human Body Detection Sensor 40 Sound Source 50 Bath Operation Unit 60

Claims (3)

Based on a signal from the bass sound unit installed in the bathroom, at least a speaker, a human body detection sensor installed in the bathroom, and a human body detection sensor, Composed of a bathroom abnormality detection system that is configured with a controller that outputs an abnormality alarm when there is no body movement for a predetermined time,
The bass sound unit and the controller are connected by wire or wirelessly.
When the controller detects the operation of the bass sound unit and determines that there is no body movement for a predetermined time based on the signal from the human body detection sensor, the controller sends a control signal to the bass sound unit. After sending out and reducing the sound output of the bass sound unit, a predetermined notification for urging body movement is output, and thereafter, based on the signal from the human body detection sensor again, for a predetermined waiting time A bathroom abnormality detection system provided with a bath sound unit that monitors body movement and outputs an alarm when no body movement is detected within the waiting time as a result of monitoring. In claim 1,
The controller includes a speech synthesis circuit and a signal terminal, and the bass sound unit includes a signal terminal,
The controller and the bass sound unit are connected by a signal line,
The controller detects whether or not it is operating based on a status signal sent from the bass sound unit through the signal line, and if it is operating, a message for prompting body movement generated by the voice synthesis circuit, A bathroom abnormality detection system provided with a bass sound unit, which is sent to the bass sound unit through the signal line. In claim 1,
The controller includes a voice synthesis circuit and a wireless transmission / reception unit, and the bass sound unit includes a wireless transmission / reception unit,
The controller detects whether or not it is operating based on a status signal sent from the bass sound unit received by the wireless transceiver, and if it is operating, the body motion generated by the speech synthesis circuit is detected. A bathroom abnormality detection system provided with a bass sound unit, wherein a prompt message is sent to the bass sound unit through the wireless transmission / reception unit.

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