JP2022082152A - Bath function device and bath system - Google Patents

Abstract

To provide a bath function device and a bath system capable of suppressing the heat shock during bathing without changing the temperature of hot water in a bathtub.SOLUTION: A water heater 10 (a bath function device) includes: a bathroom remote controller 12 (a notification unit) installed in a bathroom; a human detection sensor 128 (detection unit) for detecting a predetermined bathing process for a bathtub; and a notification processing unit 123a for causing the bathroom remote controller 12 to perform the informing output which urges a bathing person to slow down the speed to be immersed in hot water in the bathtub based on a detection result of the human detection sensor 128.SELECTED DRAWING: Figure 2

Description

The present invention relates to a bath function device that performs a predetermined bath function and a bath system that can communicate with a mobile terminal device via an external communication network.

Conventionally, a bath function device of a method of supplying hot water from a hot water supply device to a bathtub is known. In addition, there is also known a bath function device that warms the water in the bathtub by circulating the water stored in the bathtub to the combustor. In these bath function devices, for example, a plurality of remote controllers installed in a bathroom or kitchen perform bath-related functions such as reheating and footbath. In addition to these bath-related functions, the bath function device may be provided with a function for enhancing the safety of the bather.

For example, the following Patent Document 1 describes a bath water heater having a configuration for preventing a heat shock during bathing. In this bath water heater, when the temperature in the bathroom is a temperature at which measures against heat shock are required, hot water filling is performed at a target temperature lower than the target temperature set by the hot water supply remote controller or the like. After that, when bathing is detected, reheating is performed and the temperature of the hot water in the bathtub is raised to the target temperature.

Japanese Unexamined Patent Publication No. 2019-007662

Heat shock is said to be a phenomenon in which blood pressure changes due to a sudden change in temperature, causing heart disease. As a method for preventing heat shock, a method of reducing the temperature difference between the room temperature in the bathroom and the temperature of the hot water in the bathtub can be used as in Patent Document 1. However, this method results in forcing the bather to soak in hot water at a temperature lower than the set temperature, which may give the bather a sense of discomfort.

In view of these problems, it is an object of the present invention to provide a bath function device and a bath system capable of suppressing a heat shock during bathing without particularly changing the temperature of the hot water in the bathtub.

The first aspect of the present invention relates to a bath function device. The bath function device according to this embodiment has a notification unit installed in the bathroom, a detection unit that detects a predetermined bathing process for the bathtub, and a speed of immersion in hot water in the bathtub based on the detection result of the detection unit. It is provided with a notification processing unit that causes the notification unit to perform a notification output that encourages slowing down.

As a method for preventing heat shock, there is a preventive method such as not soaking too quickly when soaking in hot water in a bathtub. As a result, it is possible to suppress a sudden change in blood pressure due to a sudden change in body temperature, and it is possible to prevent the onset of heart disease due to a change in blood pressure.

According to the bath function device according to this aspect, in a predetermined bathing step for the bathtub, a notification output is performed from the notification unit in the bathroom to urge the speed of immersion in the hot water in the bathtub to be slowed down. As a result, it is possible to encourage the bather to slow down the speed of immersion in the hot water in the bathtub, and the bather can take a bath accordingly to prevent heat shock. Therefore, according to the bath function device according to this aspect, it is possible to suppress the heat shock at the time of bathing without particularly changing the temperature of the hot water in the bathtub.

In the bath function device according to the present embodiment, the detection unit includes an entry sensor for detecting that a person has entered the bathroom, and the notification processing unit receives an output from the entry sensor to detect the entry of a person into the bathroom. Based on the detection that a person has entered the inside, the notification output may be configured to be performed by the notification unit.

According to this configuration, at the timing when the bather enters the bathroom, the notification unit in the bathroom outputs a notification to urge the speed of immersion in the hot water in the bathtub to be slowed down. This makes it possible to encourage the bather to slow down the speed of soaking in the hot water in the bathtub before the bather is immersed in the hot water in the bathtub. Therefore, it is possible to prevent the heat shock in the bathing this time.

In the bath function device according to this embodiment, the detection unit includes a bathing sensor for detecting that a person has entered the bathtub, and the notification processing unit receives an output from the bathtub sensor to the bathtub. Based on the detection of the bathing start operation, the notification output may be configured to be performed by the notification unit.

According to this configuration, at the timing when the bathing operation for the bathtub is started, the notification unit in the bathroom outputs a notification prompting to slow down the speed of immersion in the hot water in the bathtub. This makes it possible to encourage the bather to slow down the speed of soaking in the hot water in the bathtub in advance before the bather is subsequently soaked in the hot water in the bathtub. Therefore, it is possible to prevent the heat shock in the bathing this time.

In this case, the bathing sensor is, for example, a water level sensor that detects the water level of hot water in the bathtub, and the notification processing unit has a predetermined threshold increase amount during a predetermined period after the start of the water level rise. Based on the above increase, it may be configured to detect the bathing start operation.

According to this configuration, the threshold increase amount is set so that the person's bathing start operation and the bathtub addition bath can be distinguished from each other, so that the bathing start operation can be accurately detected. Therefore, at the time of the bathing start operation, it is possible to appropriately notify the bather to take a gentle bath.

In the bath function device according to this embodiment, the detection unit includes a bathing sensor for detecting that a person has entered the bathtub, and the notification processing unit receives an output from the bathtub sensor in the bathtub. Based on the fact that the speed of immersion in the hot water is equal to or higher than a predetermined threshold speed, the notification output may be configured to be performed by the notification unit.

According to this configuration, a notification output is output from the notification unit in the bathroom to urge the bather to slow down the speed of immersion in the hot water in the bathtub while the bather is immersed in the hot water in the bathtub or immediately after the bathtub is completely immersed. Will be. As a result, the bather can recognize that the speed of soaking in the hot water is too fast, and is urged to slow down the speed of soaking in the hot water at the next and subsequent bathing. Therefore, it is possible to prevent a heat shock at the time of bathing from the next time onward.

In this case, the bathing sensor is, for example, a water level sensor that detects the water level of hot water in the bathtub, and the notification processing unit has a predetermined threshold increase amount during a predetermined period after the start of the water level rise. Based on the above increase, the notification output may be configured to be performed by the notification unit.

According to this configuration, the threshold increase amount is set so that the human being immersed in hot water and the addition hot water can be distinguished from each other, so that it is possible to accurately detect that the operation of being immersed in hot water is too fast. Therefore, it is possible to appropriately notify the bather to take a gentle bath during or when the bathing operation is completed.

In this configuration, the notification processing unit distinguishes between the first period in which the bather's feet are immersed in the hot water and the second period in which the bather's torso is immersed in the hot water immediately after the start of the water level rise. During the second predetermined period within the two periods, the notification output is made to be performed by the notification unit based on the fact that the water level has risen by the amount of the second threshold increase or more.

If the bathing motion is too fast during the period in which the feet are soaked in hot water and then the torso is soaked in hot water, a large decrease in blood pressure occurs and heat shock is likely to occur. According to the above configuration, it is determined whether or not the bathing operation is too fast during the period in which the body, which is prone to heat shock, is immersed in hot water. Therefore, it is possible to more appropriately determine the bathing operation that easily leads to a heat shock, and it is possible to appropriately notify the bather to urge the bather to take a gentle bath.

In this case, the notification processing unit further increases the water level by the first threshold value or more during the first predetermined period shorter than the second predetermined period within the first period. The notification output may be configured to be performed by the notification unit.

According to this configuration, at the timing when the water level in the bathtub rises by the first threshold value or more, that is, when the bather immerses his / her feet in the hot water, the notification urging the bathtub to slow down the speed of immersing in the hot water. Output is done. This encourages the bather to slow down the rate of soaking in the water before then soaking the torso in the water. Therefore, it is possible to prevent the heat shock that tends to occur when the body is immersed in hot water.

A second aspect of the present invention relates to a bath system including a server capable of communicating with a mobile terminal device via an external communication network and a bath function device capable of communicating with the server via the external communication network. The bath system according to this embodiment has a notification unit installed in the bathroom, a detection unit that detects a predetermined bathing process for the bathtub, and a slow speed of immersion in hot water in the bathtub based on the detection results of the detection unit. It is provided with a notification processing unit that causes the notification unit to perform a notification output prompting the user to do so.

According to the bath system according to this aspect, the same effect as that of the first aspect can be obtained.

The bath system according to this embodiment may further include a water level sensor for detecting the water level of the hot water in the bathtub. In this case, the notification processing unit causes the notification unit to perform the notification output based on the output from the water level sensor that the speed of immersion in the hot water in the bathtub is equal to or higher than a predetermined threshold speed. The server stores the determination result of whether or not the speed of immersion in the hot water is equal to or higher than the threshold speed, and the server stores the determination result in the mobile terminal device in response to a transmission request from the mobile terminal device. Can be configured to send.

According to this configuration, the user of the mobile terminal device appropriately sends a transmission request to the server and obtains the judgment result from the server, so that the bather can take a bath safely by slowing down the speed of immersion in hot water. You can watch if you are going.

In this case, the notification processing unit distinguishes between the first period in which the bather's feet are immersed in the hot water and the second period in which the bather's body is immersed in the hot water immediately after the start of the water level rise, and the second period. It may be configured to determine that the rate of immersion in the hot water is equal to or higher than the threshold rate based on the fact that the water level rises by a predetermined threshold increase amount or more during the predetermined period within the period.

According to this configuration, as described above, it is determined whether or not the bathing operation is too fast during the period in which the body, which is prone to heat shock, is immersed in hot water. Therefore, it is possible to more appropriately determine the bathing operation that easily leads to a heat shock, and it is possible to appropriately notify the bather to urge the bather to take a gentle bath. In addition, it is possible to provide an appropriate determination result to the user of the mobile terminal device. Therefore, the user of the mobile terminal device can appropriately monitor the bathing operation of the bather.

In this configuration, the server may be configured to transmit information associated with the determination result to the calendar to the mobile terminal device.

According to this configuration, the user of the mobile terminal device can confirm whether the bathing operation is too fast on a daily basis. Therefore, the user can grasp the tendency of the bathing behavior of the bather and can send appropriate advice to the bather.

As described above, according to the present invention, it is possible to provide a bath function device and a bath system capable of suppressing a heat shock at the time of bathing without particularly changing the temperature of the hot water in the bathtub.

The effect or significance of the present invention will be further clarified by the description of the embodiments shown below. However, the embodiments shown below are merely examples for implementing the present invention, and the present invention is not limited to those described in the following embodiments.

FIG. 1 is a diagram showing a configuration of a hot water supply system according to the first embodiment. FIG. 2 is a diagram showing a circuit block of each device constituting the hot water supply system according to the first embodiment. FIG. 3 is a diagram schematically showing a connection mode between the water heater and the bathtub according to the first embodiment. FIG. 4 is a diagram showing a configuration of pairing information according to the first embodiment. FIG. 5A is a flowchart showing a process related to notification performed by the bathroom remote controller according to the first embodiment. FIG. 5B is a diagram showing an operation executed by the bathroom remote controller by the notification process according to the first embodiment. FIG. 6A is a flowchart showing a process related to notification performed by the bathroom remote controller according to the second embodiment. FIG. 6B is a diagram showing an operation executed by the bathroom remote controller by the notification process according to the second embodiment. FIG. 7A is a graph schematically showing the relationship between the time when the bather starts to soak in the bathtub and the water level according to the second embodiment. FIG. 7B is a graph schematically showing the relationship between the time and the water level when hot water is added to the bathtub. FIG. 8A is a flowchart showing the processing related to the notification performed by the bathroom remote controller according to the third embodiment. FIG. 8B is a diagram showing an operation executed by the bathroom remote controller by the notification process according to the third embodiment. FIG. 9 is a graph schematically showing the relationship between the time from when the bather starts to soak in the bathtub to the end of soaking in the bathtub and the water level according to the third embodiment, and a diagram showing the set value set in the graph in the notification process. .. FIG. 10 is a graph schematically showing the relationship between the time from when the bather starts to soak in the bathtub to the end of soaking in the bathtub and the water level according to the third embodiment, and a diagram showing other setting values set in the graph in the notification process. Is. FIG. 11A is a flowchart showing a process related to notification performed in the bathroom remote controller according to the modified example of the third embodiment. FIG. 11B is a flowchart showing a storage process of the determination result performed on the server according to the modification of the third embodiment. FIG. 12A is a flowchart showing a determination result transmission process performed on the server according to the modification of the third embodiment. FIG. 12B is a diagram schematically showing a display screen displayed on the display input unit of the mobile terminal device according to the modified example of the third embodiment.

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

In the following embodiments, the hot water supply system 1 corresponds to the "bath system" described in the claims, and the hot water supply device 10 corresponds to the "bath function device" described in the claims. The hot water supply device 10 also performs a hot water supply function for a faucet in the kitchen, a curan in the bathroom, and the like, as well as a bath-related function. Further, the remote controller 12 installed in the bathroom corresponds to the "notifying unit" described in the claims.

However, the above description is intended only for the purpose of associating the configuration of the claims with the configuration of the embodiment, and the invention described in the scope of claims by the above association is the configuration of the embodiment. It is not limited in any way.

<Embodiment 1>
FIG. 1 is a diagram showing a configuration of a hot water supply system 1 according to the first embodiment.

As shown in FIG. 1, the hot water supply system 1 includes a hot water supply device 10 and a server 50, and can communicate with the mobile terminal device 30 via a router 20 and an external communication network 40.

The hot water supply device 10 includes a water heater 11 and remote controllers 12 and 13. The water heater 11 is a gas water heater that supplies hot water using gas as fuel. The hot water generated by the water heater 11 is supplied to the faucet of the kitchen, the bathtub 2 (see FIG. 3), the curan, and the like via the pipes connected to the hot water supply port 11a. When the water heater 11 has a floor heating function, a bathroom heating function, and a heating function by a panel heater, hot water is supplied from the water heater 11 to a device that realizes these functions.

The remote controllers 12 and 13 are connected to the water heater 11 and are used to make various settings for each function of the water heater 10. The remote controller 12 includes a display unit 121 and an input unit 122, and the remote controller 13 includes a display input unit 131 made of a touch panel and an operation button 132. By operating the input unit 122 according to the screen displayed on the display unit 121, the operator can make arbitrary settings for hot water filling, hot water supply temperature adjustment, and the like. The operator can also set the hot water filling and the like by operating the display input unit 131.

The remote controller 12 is installed in the bathroom, and the remote controller 13 is installed in a kitchen or the like outside the bathroom. The remote controllers 12 and 13 are provided with audio windows 12a and 13a for inputting and outputting audio.

Hereinafter, the remote controller 12 installed in the bathroom is referred to as a "bathroom remote controller 12", and the remote controller 13 installed in a kitchen or the like is referred to as a "kitchen remote controller 13".

The input unit 122 of the bathroom remote controller 12 includes an operation button 122a. The operation buttons 122a and 132 are buttons for switching the water heater 11 between an operation on state and an operation off state.

When the bathroom remote controller 12 and the kitchen remote controller 13 are in the operation off state, the display unit 121 and the display input unit 131 are in the off state, and operations of operation buttons other than the operation buttons 122a and 132 are not accepted. When the operation buttons 122a and 132 are operated and the operation is turned on, the display unit 121 and the display input unit 131 are lit to display the setting contents, and the operation of each operation button can be accepted.

Further, the input unit 122 and the display input unit 131 include a button for changing the hot water supply temperature. The operator can change the set temperature of the hot water supply by operating this button. In addition, the input unit 122 and the display input unit 131 include buttons for controlling the operation of the water heater 11, such as a reheating function, a button for executing a footbath, a water addition, a bath automatic function, and the like. It has been.

The router 20 is a communication repeater for connecting each device existing in the building (here, the home H10) to the external communication network 40. When the mobile terminal device 30 exists in the home H10, the mobile terminal device 30 is connected to the router 20 by wireless communication and can communicate with the server 50. The mobile terminal device 30 is, for example, a mobile phone. In addition, the mobile terminal device 30 may be another portable terminal device such as a portable tablet terminal. The external communication network 40 is, for example, the Internet.

A server 50 for managing remote control of the hot water supply device 10 is connected to the external communication network 40. The kitchen remote controller 13 communicates with the server 50 via the router 20 and the external communication network 40. When the mobile terminal device 30 exists in the home H10, the mobile terminal device 30 communicates with the server 50 via the router 20 and the external communication network 40. When the mobile terminal device 30 is outside the home, the mobile terminal device 30 is connected to the external communication network 40 via a router 60 or a base station 70 installed outside, and communicates with the server 50.

The application program of the hot water supply system 1 is downloaded from the server 50 and installed in the kitchen remote controller 13 and the portable terminal device 30. This application program contains address information (for example, an IP address) for accessing the server 50. The kitchen remote controller 13 and the mobile terminal device 30 access and communicate with the server 50 based on this address information.

The address information of the kitchen remote controller 13 is transmitted to the server 50 and registered in the server 50 at the time of initial setting. At the same time, the ID information (identification information) of the kitchen remote controller 13 is transmitted from the kitchen remote controller 13 to the server 50 and registered in the server 50. Further, the mobile terminal device 30 capable of remotely controlling the hot water supply device 10 is registered in the server 50 in association with the hot water supply device 10. Specifically, the ID information of the hot water supply device 10 (kitchen remote controller 13) and the ID information and the address information of the mobile terminal device 30 are associated with each other and registered in the server 50.

By registering the information about the mobile terminal device 30 in the server 50 in this way, the user of the mobile terminal device 30 can use the mobile terminal device 30 to supply the hot water supply device 10 both in the home H10 and outside the home. Remote control can be performed.

That is, regardless of whether the mobile terminal device 30 is located inside the home H10 or outside the home, the setting request input to the mobile terminal device 30 by the user is once transmitted to the server 50 via the external communication network 40. .. In response to this, the server 50 transmits the received setting request to the hot water supply device 10 previously associated with the mobile terminal device 30 that has received the setting request. As a result, the setting request is transmitted to the kitchen remote controller 13 of the corresponding hot water supply device 10 via the external communication network 40 and the router 20. In this way, the setting of the content requested by the user is applied to the water heater 10 by remote control.

Further, the state information of the hot water supply device 10 is transmitted from the kitchen remote controller 13 to the server 50 via the router 20 at any time in a predetermined cycle. The state information is information indicating the current setting state and operating state of the hot water supply device 10. The mobile terminal device 30 can acquire the latest status information from the server 50 and display it by the application program of the hot water supply system 1. As a result, the user of the mobile terminal device 30 can monitor the state of the hot water supply device 10 both inside the house H10 and outside the house.

FIG. 2 is a diagram showing circuit blocks of each device constituting the hot water supply system 1.

The water heater 11 includes a control unit 111, a storage unit 112, a communication unit 113, and a water level sensor 114. The control unit 111 includes a microcomputer and controls each unit in the water heater 11 according to a program stored in the storage unit 112. The storage unit 112 includes a memory and stores a predetermined control program.

The communication unit 113 communicates with the bathroom remote controller 12 and the kitchen remote controller 13 according to the control from the control unit 111. The communication unit 113 is connected to the communication unit 125 of the bathroom remote controller 12 and the communication unit 135 of the kitchen remote controller 13 via the two-core communication lines L1 and L2. Further, the two-core communication lines L1 and L2 are connected to each other inside the communication unit 113. Therefore, the communication unit 125 of the bathroom remote controller 12 and the communication unit 135 of the kitchen remote controller 13 are connected to each other by the two-core communication lines L1 and L2. Therefore, the signal transmitted from any of the communication units 113, 125, and 135 is simultaneously transmitted to the other communication unit.

As will be described later, the water level sensor 114 is arranged in a pipeline in the water heater 11 and detects the water level in the bathtub 2 (see FIG. 3) based on the water pressure in the pipeline. The control unit 111 detects the water level in the bathtub 2 based on the detection result of the water level sensor 114. The detection result of the water level detection result is transmitted from the control unit 111 to the bathroom remote controller 12 and the kitchen remote controller 13 at any time via the two-core communication lines L1 and L2.

FIG. 3 is a diagram schematically showing a connection form between the water heater 11 and the bathtub 2.

As shown in FIG. 3, in addition to the configuration shown in FIG. 2, the water heater 11 includes a hot water supply unit 210, a reheating unit 220, and a bypass unit 230.

The hot water supply unit 210 includes a water supply pipe line 211, a hot water supply heat exchanger 212, a hot water supply pipe line 213, a hot water supply combustor 214, and an air supply fan 215. The water supply line 211 is connected to the water pipe and the hot water supply heat exchanger 212, and the hot water supply line 213 is connected to the hot water supply heat exchanger 212, the bathroom faucet 3 and the external faucet 4. Gas (fuel gas) is supplied to the hot water supply combustor 214 through the hot water supply gas pipeline 217 opened and closed by the gas solenoid valve 216. The water heater combustor 214 burns using gas as fuel. The supply air fan 215 supplies combustion air to the hot water supply combustor 214.

In addition to the water level sensor 114 shown in FIG. 2, the reheating unit 220 includes a return pipe line 221, a bath heat exchanger 222, an outgoing pipe line 223, a bath combustor 224, and a circulation pump 225. The return pipe line 221 is connected to the circulation adapter 2a of the bathtub 2 and the bath heat exchanger 222, and the outbound pipe line 223 is connected to the bath heat exchanger 222 and the bath heat exchanger 2a.

Gas (fuel gas) is supplied to the bath combustor 224 through the bath gas pipeline 227 opened and closed by the gas solenoid valve 226. The bath combustor 224 burns with gas as fuel. The air supply fan 215 is shared between the hot water supply unit 210 and the reheating unit 220, and combustion air is supplied from the air supply fan 215 to the bath combustor 224. A circulation pump 225 and a water level sensor 114 are arranged in the return pipe line 221. The water level sensor 114 detects the water level in the bathtub 2 based on the water pressure in the return pipe 221.

The bypass unit 230 includes a bypass pipe line 231 and a hot water supply solenoid valve 232. The bypass pipeline 231 is connected to the hot water supply pipeline 213 and the return pipeline 221. The hot water supply solenoid valve 232 opens and closes the bypass pipe line 231.

The control unit 111 includes a hot water supply combustor 214 of the hot water supply unit 210, an air supply fan 215 and a gas solenoid valve 216, a bath combustor 224 of the reheating unit 220, a circulation pump 225, a water level sensor 114 and a gas solenoid valve 226, and a bypass unit 230. It controls the hot water supply solenoid valve 232 and the like.

When the bathroom faucet 3 or the external faucet 4 is opened, the hot water supply function is executed. Water from the water pipe is introduced into the hot water supply heat exchanger 212 through the water supply pipe line 211, and the hot water supply combustor 214 is burned to heat the hot water supply heat exchanger 212. The water introduced into the hot water supply heat exchanger 212 is heated to become hot water, and the hot water is supplied to the bathroom faucet 3 or the external faucet 4 through the hot water supply pipeline 213. When the bathroom faucet 3 or the external faucet 4 is closed, the water supply from the water pipe to the water supply line 211 is stopped and the combustion of the hot water supply combustor 214 is stopped.

Further, upon receiving a command from the bathroom remote controller 12 or the kitchen remote controller 13 to fill the bathtub 2, the control unit 111 executes the hot water filling function (bath automatic function). In this case, the hot water supply electromagnetic valve 232 is opened, and water from the water pipe is introduced into the hot water supply heat exchanger 212 through the water supply pipe line 211 and heated by the hot water supply heat exchanger 212. Then, the hot water from the hot water supply heat exchanger 212 is introduced into the return pipe line 221 through the hot water supply pipe line 213 and the bypass pipe line 231.

A part of the hot water introduced into the return pipe 221 flows through the return pipe 221 toward the circulation adapter 2a and is poured into the bathtub 2 from the circulation adapter 2a. The rest of the hot water introduced into the return pipe 221 flows through the return pipe 221 to the bath heat exchanger 222 side, further flows through the bath heat exchanger 222 and the outbound pipe 223, and flows from the circulation adapter 2a into the bathtub 2. It is poured.

When hot water is supplied and hot water is stored in the bathtub 2, the return pipe line 221, the bath heat exchanger 222 and the outbound pipe line 223 are filled with water. This enables the water level sensor 114 to detect the water level in the bathtub 2. When the water level sensor 114 detects that the water level in the tub 2 has reached a preset water level, the hot water supply electromagnetic valve 232 is closed, the water supply from the water pipe to the water supply pipe line 211 is stopped, and the hot water supply combustor is stopped. Combustion of 214 stops.

When a person enters the bathtub 2 filled with hot water, the water level in the bathtub 2 rises. In addition, the water level drops when a person comes out of the bathtub 2. The water level fluctuation based on the entry and exit of a person into the bathtub 2 can be detected by the water level sensor 114.

Further, when the reheating function is executed, the circulation pump 225 operates and the bath combustor 224 burns. The hot water in the bathtub 2 circulates between the bathtub 2 and the circulation path including the return pipe line 221 and the bath heat exchanger 222 and the outbound pipe line 223, and is heated by the bath heat exchanger 222 in the meantime. When the temperature of the hot water in the bathtub 2 becomes higher than the preset upper limit temperature, the circulation pump 225 and the bath combustor 224 are stopped.

In the addition hot water function, a predetermined amount of hot water is injected into the bathtub 2 by the same control as the hot water filling function (bath automatic function). When the additional water function is executed, the same control as the hot water filling function (bath automatic function) is executed with the hot water supply combustor 214 and the bath combustor 224 stopped, and a predetermined amount of water is injected into the bathtub 2. ..

Returning to FIG. 2, in addition to the above-mentioned display unit 121 and input unit 122, the bathroom remote controller 12 includes a control unit 123, a storage unit 124, a communication unit 125, a speaker 126, a microphone 127, and a motion sensor 128. , And a temperature sensor 129. The display unit 121 is composed of, for example, a liquid crystal panel. The input unit 122 includes various operation buttons such as a temperature setting button. The display unit 121 may be a touch panel.

The control unit 123 includes a microcomputer and performs predetermined control according to a program stored in the storage unit 124. The storage unit 124 includes a memory and stores a predetermined control program.

In the present embodiment, the function of the notification processing unit 123a is given to the control unit 123 by the control program stored in the storage unit 124. As will be described later, the notification processing unit 123a of the present embodiment slows down the speed of immersion in the hot water in the bathtub 2 when it is determined that a person has entered the bathroom based on the detection result of the motion sensor 128. Make a notification to urge you to do so.

The communication unit 125 communicates with the water heater 11 and the kitchen remote controller 13 according to the control from the control unit 123. The speaker 126 outputs voice based on the voice signal generated by the control unit 123. The control unit 123 reads out the voice information stored in the storage unit 124 at any time and generates a voice signal. The sound output from the speaker 126 is output from the sound window 12a of FIG. The microphone 127 collects sound through the sound window 12a of FIG.

The motion sensor 128 detects the movement of a person in the bathroom. The motion sensor 128 is, for example, a pyroelectric sensor using infrared rays. The detection range of the motion sensor 128 is set to cover the washing place in the bathroom and the bathtub 2. The motion sensor 128 may be able to detect the range of the washing place and the range of the bathtub 2 individually. The temperature sensor 129 detects the temperature in the bathroom. Here, the temperature sensor 129 is installed in the bathroom remote controller 12, but the temperature sensor is installed in another device installed in the bathroom such as a bathroom heater / dryer, and the detection result is transmitted to the bathroom remote controller 12. You may.

In addition to the display input unit 131 and the operation button 132 described above, the kitchen remote controller 13 includes a control unit 133, a storage unit 134, a communication unit 135, a speaker 136, a microphone 137, and a wireless communication unit 138.

The control unit 133 includes a microcomputer and performs predetermined control according to a program stored in the storage unit 134. The storage unit 134 includes a memory and stores a predetermined control program.

The communication unit 135 communicates with the water heater 11 and the bathroom remote controller 12 according to the control from the control unit 133. The speaker 136 outputs a voice based on the voice signal generated by the control unit 133. The control unit 133 reads the voice information stored in the storage unit 134 at any time and generates a voice signal. The sound output from the speaker 136 is output from the sound window 13a of FIG. The microphone 137 collects sound through the sound window 13a of FIG.

The wireless communication unit 138 is a wireless communication module capable of wireless communication with the router 20. The address information and ID information of the wireless communication unit 138 are registered in the server 50 as the address information and ID information of the kitchen remote controller 13 (hot water supply device 10).

The server 50 includes a control unit 501, a storage unit 502, and a communication unit 503. The control unit 501 includes a CPU (Central Processing Unit) and performs predetermined control according to a program stored in the storage unit 502. The storage unit 502 includes a memory and a hard disk, and stores a predetermined control program and database. The communication unit 503 performs predetermined control according to the control from the control unit 501.

As described above, the storage unit 502 stores the information (pairing information) shown in FIG. The pairing information is information in which the ID information of the kitchen remote controller 13 is associated with the ID information and the address information of the mobile terminal device 30. The pairing information is managed for each kitchen remote controller 13 (hot water supply device 10).

By the way, when the bather is immersed in the hot water in the bathtub 2 with a cold body, the temperature of the bather's body changes abruptly. In this case, a sudden rise in the blood pressure of the bather may cause so-called heat shock and cause heart disease. As a method for preventing heat shock, there is a preventive method such that when the bathtub 2 is immersed in hot water, the bathtub 2 is not soaked too quickly. As a result, it is possible to suppress a sudden change in blood pressure due to a sudden change in body temperature, and it is possible to prevent the onset of heart disease due to a change in blood pressure.

Therefore, in the present embodiment, when it is determined that the bather has entered the bathroom based on the detection result of the motion sensor 128, the speaker 126 notifies the bather to slowly soak in the hot water in the bathtub 2. It is done in. Hereinafter, this process will be described.

FIG. 5A is a flowchart showing a process related to notification performed by the bathroom remote controller 12. This processing is performed by the control unit 123 of the bathroom remote controller 12 by the function of the notification processing unit 123a.

The control unit 123 determines whether or not the bather has entered the bathroom based on the detection result of the motion sensor 128 (S101). When it is determined that the bather has entered the bathroom (S101: YES), the control unit 123 determines whether or not the temperature in the bathroom is equal to or less than a predetermined threshold value Tm based on the detected temperature of the temperature sensor 129 (S101: YES). S102). When it is determined that the temperature in the bathroom is equal to or less than the threshold value Tm (S102: YES), the control unit 123 executes a notification process for encouraging the bathtub 2 to be slowly immersed in the hot water (S103). On the other hand, when the temperature in the bathroom is larger than the threshold value Tm (S102: NO), the process of step S103 is skipped.

When the process of FIG. 5 (a) is completed in this way, the process is returned to S101, and the process of FIG. 5 (a) is repeated.

FIG. 5B is a diagram showing an operation executed by the notification process in step S103 of FIG. 5A.

As shown in FIG. 5B, in the notification process, the control unit 123 sends a message voice prompting the bather to slowly soak in the hot water in the bathtub 2 when taking a bath, to the speaker 126 of the bathroom remote controller 12 (FIG. 2). Output from). This message voice encourages the bather to be careful when taking a bath and slowly soak in the hot water in the bathtub 2. As a result, the sudden change in the temperature of the bather's body is suppressed, and the bather's heat shock is suppressed.

Here, in the notification process, a predetermined message voice is output from the speaker 126, but the method of notification to the bather is not limited to this method. For example, the message text may be displayed on the display unit 121 together with the message voice, and a chime sound for calling attention may be included at the beginning of the message voice.

Further, the content of the message voice output in the notification process is not limited to the content of FIG. 5B, and can be changed as appropriate. For example, as a message voice, pay attention to how to soak when taking a bath, a remarkable increase in blood pressure may occur depending on how to soak, a heat shock may occur if the speed of soaking in the bathtub 2 is high, etc. May be included.

<Effect of Embodiment 1>
According to the first embodiment, the following effects can be achieved.

As shown in FIG. 5A, the control unit 123 (notification processing unit 123a) detects a predetermined bathing step for the bathtub 2 (S101: YES), and the speed at which the bathtub 2 is immersed in hot water. A notification output (voice message) prompting the user to slow down is output from the speaker 126 (notification unit) (S103). As a result, it is possible to encourage the bather to slow down the speed of immersion in the hot water in the bathtub 2 at the time of bathing, and the bather can take a bath accordingly to prevent heat shock. Therefore, the heat shock at the time of bathing can be suppressed without particularly changing the temperature of the hot water in the bathtub 2.

As shown in FIG. 5A, the control unit 123 (notification processing unit 123a) detects that a person has entered the bathroom based on the detection result from the motion sensor 128 (room entry sensor). Based on this, the notification output is performed by the speaker 126 (notification unit). According to this configuration, at the timing when the bather enters the bathroom, the speaker 126 in the bathroom outputs a notification urging the speed of immersion in the hot water in the bathtub 2 to be slowed down. Thereby, before the bather is immersed in the hot water in the bathtub 2, it is possible to encourage the bather to slow down the speed of immersion in the hot water in the bathtub 2 in advance. Therefore, it is possible to prevent the heat shock in the bathing this time.

<Embodiment 2>
In the first embodiment, the notification process is executed based on the fact that the bather has entered the bathroom, but in the second embodiment, the notification process is executed based on the detection of the bathing start operation for the bathtub 2. ..

FIG. 6A is a flowchart showing the processing related to the notification performed by the bathroom remote controller 12 according to the second embodiment. Similar to the first embodiment, this processing is performed by the control unit 123 of the bathroom remote controller 12 by the function of the notification processing unit 123a.

The control unit 123 determines whether or not the bathing start operation is performed by the bather based on the detection result of the water level sensor 114 received from the water heater 11 at any time (S201). The determination in step S201 will be described later with reference to FIGS. 7A and 7B. When it is determined that the bathing start operation has been performed by the bather (S201: YES), the control unit 123 determines whether or not the temperature in the bathroom is equal to or less than a predetermined threshold value Tm based on the detected temperature of the temperature sensor 129. (S202). When it is determined that the temperature in the bathroom is equal to or less than the threshold value Tm (S202: YES), the control unit 123 executes a notification process for urging the bathtub 2 to be slowly immersed in the hot water (S203). On the other hand, when the temperature in the bathroom is larger than the threshold value Tm (S202: NO), the process of step S203 is skipped.

When the process of FIG. 6A is completed in this way, the process is returned to S201, and the process of FIG. 6A is repeated.

FIG. 6B is a diagram showing an operation executed by the notification process in step S203 of FIG. 6A.

As shown in FIG. 6B, in the notification process, the control unit 123 outputs a message voice prompting the bather to slowly soak in the hot water in the bathtub 2 from the speaker 126. The timing at which the message voice is output in the second embodiment is the timing at which the bather performs the bathing start operation. Therefore, the bather is urged to carefully and slowly soak in the hot water in the bathtub 2 in the subsequent bathing operation by this message voice. As a result, the sudden change in the temperature of the bather's body is suppressed, and the bather's heat shock is suppressed.

As in the first embodiment, in the notification process, the message text may be displayed on the display unit 121 together with the message voice, and a chime sound for calling attention may be included at the beginning of the message voice. Further, the content of the output message voice is not limited to the content of FIG. 6B. For example, as the message voice, pay attention to how to soak when taking a bath, and a remarkable increase in blood pressure occurs depending on the soaking method. It may include content indicating that there is a possibility, that a heat shock may occur if the speed of immersion in the bathtub 2 is high, and the like.

7 (a) and 7 (b) are schematic views for explaining the determination method of step S201 of FIG. 6 (a). FIG. 7 (a) is a graph schematically showing the relationship between the time when the bather starts to soak in the bathtub 2 and the water level, and FIG. 7 (b) shows the time when hot water is added to the bathtub 2. It is a graph which shows the relationship of the water level schematically. In FIGS. 7A and 7B, the horizontal axis represents time and the vertical axis represents the water level of bathtub 2.

As shown in FIGS. 7A and 7B, there are two cases in which the water level of the hot water in the bathtub 2 rises. That is, in the situation where the water level rises, as shown in FIG. 7 (a), when the bather starts to soak in the bathtub 2 (bathing start operation), and as shown in FIG. 7 (b). In some cases, hot water is added to the bathtub 2 (additional hot water operation).

When a bather is immersed in bathtub 2, his feet are first immersed in hot water. As a result, as shown in FIG. 7A, the water level rises from WL0 to WL1 from time T11 to time T13. When the feet are soaked in hot water, usually, as a preparation period for the bather to move to the next movement, a period ΔPs in which the water level does not fluctuate occurs, and then the torso is immersed in hot water in the bathtub 2. The water level rises further. On the other hand, when hot water is added to the bathtub 2, as shown in FIG. 7B, the rise in water level is considerably slower than when the feet of the bather are immersed in the hot water.

In step S201 of FIG. 6A, the control unit 123 acquires the water level rise amount ΔWL1 in a predetermined period ΔP1 (for example, 2 seconds) from the water level rise start time T11. The rising amount ΔWL1 in FIG. 7A is the rising amount of the water level from the time T11 to the time T12, and the rising amount ΔWL1 in FIG. 7B is the rising amount of the water level from the time T14 to the time T15. The control unit 123 determines whether or not the acquired increase amount ΔWL1 is equal to or greater than a predetermined threshold increase amount ΔWLth1. The threshold value increase amount ΔWLth1 is set to a value that can distinguish between the bathing start operation of a person and the addition hot water to the bathtub 2.

As shown in FIG. 7A, when the rising amount ΔWL1 is equal to or greater than the threshold rising amount ΔWLth1, the control unit 123 determines that the bathing start operation has been performed (S201: YES in FIG. 6A). On the other hand, as shown in FIG. 7B, when the rising amount ΔWL1 is smaller than the threshold rising amount ΔWLth1, the control unit 123 determines that the bathing start operation has not been performed (S201: NO in FIG. 6A). ). In this way, the determination in step S201 of FIG. 6A is performed.

<Effect of Embodiment 2>
According to the second embodiment, the following effects can be achieved.

As shown in FIG. 6A, the control unit 123 (notification processing unit 123a) determines the speed of immersion in hot water in the bathtub 2 based on the detection of the bathing start operation for the bathtub 2 (S201: YES). A voice message prompting the gentleness is output from the speaker 126 (S203). According to this configuration, at the timing when the bathing operation for the bathtub 2 is started, the speaker 126 (notification unit) in the bathroom outputs a notification to urge the speed of immersion in the hot water in the bathtub 2 to be slowed down. As a result, it is possible to encourage the bather to slow down the speed of soaking in the hot water in the bathtub 2 in advance before the bather is soaked in the hot water in the bathtub 2 up to the body. Therefore, it is possible to prevent the heat shock in the bathing this time.

As shown in FIGS. 7A and 7B, the control unit 123 (notification processing unit 123a) raises the threshold value of the water level during the period ΔP1 after the start of the water level rise based on the detection result from the water level sensor 114. The bathing start operation is detected based on the increase in the amount ΔWLth1 or more. According to this configuration, the threshold value increase amount ΔWLth1 is set so that the human bathing start operation and the footbath added to the bathtub 2 can be distinguished from each other, so that the bathing start operation can be accurately detected. Therefore, at the time of the bathing start operation, it is possible to appropriately notify the bather to take a gentle bath.

<Embodiment 3>
In the first and second embodiments, the notification process is executed based on the fact that a person has entered the bathroom or the bathing start operation for the bathtub 2 is detected, but in the third embodiment, the hot water in the bathtub 2 is used. The notification process is executed based on the fact that the immersion speed is equal to or higher than a predetermined threshold speed.

FIG. 8A is a flowchart showing a process related to notification performed by the bathroom remote controller 12 according to the third embodiment. Similar to the first and second embodiments, this processing is performed by the control unit 123 of the bathroom remote controller 12 by the function of the notification processing unit 123a.

Based on the detection result of the water level sensor 114, the control unit 123 determines whether or not the speed of bathing in the bathtub 2 (the speed at which the bather is immersed in hot water) is equal to or higher than a predetermined threshold value (S301). The determination in step S301 will be described later with reference to FIG. When it is determined that the bathing speed is equal to or higher than the predetermined threshold value (S301: YES), the control unit 123 determines whether or not the temperature in the bathroom is equal to or lower than the predetermined threshold value Tm based on the detected temperature of the temperature sensor 129. Judgment (S302). When it is determined that the temperature in the bathroom is equal to or less than the threshold value Tm (S302: YES), the control unit 123 executes a notification process for encouraging the bathtub 2 to be slowly immersed in the hot water (S303). On the other hand, when the temperature in the bathroom is larger than the threshold value Tm (S302: NO), the process of step S303 is skipped.

When the process of FIG. 8A is completed in this way, the process is returned to S301, and the process of FIG. 8A is repeated.

FIG. 8B is a diagram showing an operation executed by the notification process in step S303 of FIG. 8A.

As shown in FIG. 8B, in the notification process, the control unit 123 outputs a message voice prompting the bather to slowly soak in the hot water in the bathtub 2 from the speaker 126. Since the timing at which the message voice is output in the third embodiment is the timing after the bather's torso begins to be immersed in the hot water, the bather grasps from this message voice that his / her bathing speed is too fast. However, at least from the next time, you will be encouraged to be careful when taking a bath and slowly soak in the hot water in the bathtub 2. As a result, in the next and subsequent baths, the temperature of the bather's body is suppressed from suddenly changing, and the bather's heat shock is suppressed.

As in the first and second embodiments, the message text may be displayed on the display unit 121 together with the message voice in the notification process, and a chime sound for calling attention may be included at the beginning of the message voice. Further, the content of the output message voice is not limited to the content of FIG. 8B. For example, as the message voice, pay attention to how to soak when taking a bath, and a remarkable increase in blood pressure occurs depending on the soaking method. It may include content indicating that there is a possibility, that a heat shock may occur if the speed of immersion in the bathtub 2 is high, and the like.

FIG. 9 is a schematic diagram for explaining the determination method of step S301 in FIG. 8A. FIG. 9 is a graph schematically showing the relationship between the time from when the bather begins to soak in the bathtub 2 to when the bather finishes soaking, and the water level. In FIG. 9, the horizontal axis represents time and the vertical axis represents the water level of the bathtub 2.

As shown in FIG. 9, when the bather is immersed in the bathtub 2, the water level rises in the period in which the feet are immersed and the period in which the torso is immersed. In the example shown in FIG. 9, the period from time T11 to time T13 is the period in which the water level rises from WL0 to WL1 due to the soaking of the feet, and the period after time T21 is the period in which the water level rises from WL1 due to the soaking of the torso. It is a rising period.

In this case, in step S301 of FIG. 8A, the control unit 123 acquires the water level rise amount ΔWL2 in a predetermined period ΔP2 (for example, 10 seconds) from the water level rise start time T11. As shown in FIG. 9, the rising amount ΔWL2 is the rising amount of the water level from the time T11 to the time T22. The control unit 123 determines whether or not the acquired increase amount ΔWL2 is equal to or greater than a predetermined threshold increase amount ΔWLth2. The threshold value increase amount ΔWLth2 is set to a value that can distinguish between the bathing start operation of a person and the addition hot water to the bathtub 2.

As shown in FIG. 9, when the rising amount ΔWL2 is the threshold rising amount ΔWLth2 or more, the control unit 123 determines that the speed of bathing in the bathtub 2 is equal to or higher than the predetermined threshold value (S301 in FIG. 8A). : YES). On the other hand, when the increase amount ΔWL2 is less than the threshold increase amount ΔWLth2, the control unit 123 determines that the speed of bathing in the bathtub 2 is less than the predetermined threshold value (S301: NO in FIG. 8A). In this way, the determination in step S301 of FIG. 8A is performed.

In FIG. 9, the period ΔP2 is set so as to include at least a part of the period (T21 to T22) in which the bather's torso is immersed in the hot water as well as the period (T11 to T13) in which the bather's feet are immersed in the hot water. .. That is, the heat shock is likely to occur when the temperature of the bather's body suddenly changes when the bather's torso is immersed in hot water. Therefore, it is preferable that the speed of bathing in the bathtub 2 used for determining whether or not to perform the notification process is determined in a period including a period in which the body of the bather is immersed in hot water. In this sense, the period ΔP2 is set to include at least a part of the period (T21 to T22) in which the bather's torso is immersed in the hot water as well as the period (T11 to T13) in which the bather's feet are immersed in the hot water. ..

From the above viewpoint, it is preferable that the period for determining the bathing speed, that is, the period for determining the possibility of heat shock is only the period during which the body of the bather is immersed in hot water. In this case, the determination method in step S301 of FIG. 8A is replaced with the determination method described with reference to FIG.

FIG. 10 is a schematic diagram for explaining another determination method of step S301 in FIG. 8A.

In the example shown in FIG. 10, the period from time T11 to time T13 (first period) is the period in which the water level rises from WL0 to WL1 due to the immersion of the foot, and the period from time T21 to time T23 (second period). Period) is the period during which the water level rises from WL1 to WL2 due to the immersion of the body.

In this case, in step S301 of FIG. 8A, the control unit 123 first detects the start time T21 of the second period. In this detection, the control unit 123 first detects the start of the bathing operation by the method described with reference to FIGS. 7 (a) and 7 (b), and then sets the period during which the water level does not rise as the period ΔPs. To detect. Then, the control unit 123 sets the timing (time T21 in FIG. 10) at which the water level rises again after the period ΔPs as the start time of the second period.

The control unit 123 acquires the water level rise amount ΔWL2 in a predetermined period ΔP2 (for example, 5 seconds) after the start time T21 of the second period. As shown in FIG. 10, the rising amount ΔWL2 in this case is the rising amount of the water level from the time T21 to the time T22. The control unit 123 determines whether or not the acquired increase amount ΔWL2 is equal to or greater than a predetermined threshold increase amount ΔWLth2. The threshold value increase amount ΔWLth2 is set to a value that can distinguish between the bathing start operation of a person and the addition hot water to the bathtub 2.

As shown in FIG. 10, when the rising amount ΔWL2 is the threshold rising amount ΔWLth2 or more, the control unit 123 determines that the speed of bathing in the bathtub 2 is equal to or higher than the predetermined threshold value (S301 in FIG. 8A). : YES). On the other hand, when the increase amount ΔWL2 is less than the threshold increase amount ΔWLth2, the control unit 123 determines that the speed of bathing in the bathtub 2 is less than the predetermined threshold value (S301: NO in FIG. 8A). In this way, the determination in step S301 of FIG. 8A is performed.

<Effect of Embodiment 3>
According to the third embodiment, the following effects can be achieved.

As shown in FIG. 8A, the control unit 123 (notification processing unit 123a) is based on the fact that the speed of immersion in hot water in the bathtub 2 is equal to or higher than a predetermined threshold speed (S301: YES), and the bathtub 2 A voice message urging the slowing of the speed of immersion in the hot water inside is output from the speaker 126 (S303). According to this configuration, the speed at which the bather is immersed in the hot water in the bathtub 2 is slowed down from the speaker 126 (notifying unit) in the bathroom while the bather is immersed in the hot water in the bathtub 2 or immediately after the bather is completely immersed in the hot water. A notification output is performed to prompt the user. As a result, the bather can recognize that the speed of soaking in the hot water is too fast, and is urged to slow down the speed of soaking in the hot water at the next and subsequent bathing. Therefore, it is possible to prevent heat shock at the time of bathing from the next time onward.

As shown in FIGS. 9 and 10, the control unit 123 (notification processing unit 123a) receives the detection result from the water level sensor 114 during a predetermined period (ΔP2 in FIGS. 9 and 10) after the start of the water level rise. Based on the fact that the water level has risen by a predetermined threshold increase amount (ΔWLth2 in FIGS. 9 and 10), the speaker 126 (notification unit) is made to perform the notification output. According to this configuration, the threshold value increase amount ΔWLth2 is set so that the human being immersed in hot water and the footbath can be distinguished from each other, so that it is possible to accurately detect that the operation of being immersed in hot water is too fast. Therefore, it is possible to appropriately notify the bather to take a gentle bath during or when the bathing operation is completed.

In the determination method described with reference to FIG. 10, in the control unit 123 (notification processing unit 123a), immediately after the start of the water level rise, the bather's feet are immersed in the hot water for the first period, and the bather's body is immersed in the hot water. Distinguishing from the second period of immersion, the notification output is output based on the fact that the water level rises by the threshold increase amount ΔWLth2 (second threshold increase amount) or more during the period ΔP2 (second predetermined period) within the second period. Let the speaker 126 (notification unit) perform the exercise. If the bathing motion is too fast during the period in which the feet are soaked in hot water and then the torso is soaked in hot water, a large decrease in blood pressure occurs and heat shock is likely to occur. According to the determination method of FIG. 10, it is determined whether or not the bathing operation is too fast during the period in which the body, which is prone to heat shock, is immersed in hot water. Therefore, it is possible to more appropriately determine the bathing operation that easily leads to a heat shock, and it is possible to appropriately notify the bather to urge the bather to take a gentle bath.

<Example of modification of Embodiment 3>
In the third embodiment, after the notification process is performed, the determination result of whether or not the speed of immersion in the hot water in the bathtub 2 is equal to or higher than the predetermined threshold speed is stored in the server 50 (see FIGS. 1 and 2). You may. In this case, the server 50 transmits the determination result in response to the transmission request from the mobile terminal device 30.

FIG. 11A is a flowchart showing a process related to notification performed by the bathroom remote controller 12 according to this modified example. Similar to the first and second embodiments, this processing is performed by the control unit 123 of the bathroom remote controller 12 by the function of the notification processing unit 123a.

In the process shown in FIG. 11 (a), step S304 is added to the front stage of step S301 and step S305 is added to the rear stage of step S303 as compared with the process of embodiment 3 shown in FIG. 8 (a). There is. Hereinafter, for convenience, only the processing of steps S304 and S305 will be described.

When the process is started, the control unit 123 determines whether or not the bathing start operation has been performed, as in step S201 of FIG. 6A (S304). When it is determined that the bathing start operation has been performed (S304: YES), the control unit 123 performs the same processing as in steps S301 to S303 of FIG. 8A. In this case, in step S301, it is determined whether or not the speed of immersion in hot water is equal to or higher than the threshold speed based on the determination method described with reference to FIG. When the processing of steps S301 to S304 is completed, the control unit 123 transmits the determination result of step S301 to the server 50 via the kitchen remote controller 13 (S305). The determination result transmitted in step S305 is information indicating whether or not the bathing speed is equal to or higher than a predetermined threshold value.

FIG. 11B is a flowchart showing the storage process of the determination result performed in the server 50.

When the control unit 501 (see FIG. 2) of the server 50 receives the determination result from the bathroom remote controller 12 (S401: YES), the control unit 501 (see FIG. 2) stores the received determination result in the storage unit 502 in association with the date when the determination result is received. (S402).

FIG. 12A is a flowchart showing a determination result transmission process performed by the server 50.

When the control unit 501 of the server 50 receives the information requesting the determination result (transmission request) from the mobile terminal device 30 (S411: YES)), the information in which the determination result is associated with the calendar (date) is transmitted. It is transmitted to the mobile terminal device 30 of the transmission source (S412). The mobile terminal device 30 displays the determination result associated with the calendar on the display input unit based on the information received from the server 50.

FIG. 12B is a diagram schematically showing a display screen 31 displayed on the display input unit of the mobile terminal device 30. The display input unit is composed of, for example, a touch panel.

The display screen 31 includes a calendar area 31a, a month selection area 31b, and a switching button 31c. In the calendar area 31a, today's date and the calendar of the month selected by the month selection area 31b are displayed. The determination result received from the server 50 is displayed on this calendar. In the case of the judgment result indicating that the bathing speed was less than the predetermined threshold value (judgment result that the bathing speed was slowly immersed in hot water), a circle was displayed in the area of each date, and the bathing speed was equal to or higher than the predetermined threshold value. In the case of the judgment result indicating that (the judgment result that the bath is soaked in hot water too quickly), x is displayed in the area of each date.

By operating the button in the month selection area 31b, the month of the calendar displayed in the calendar area 31a is switched. By operating the switching button 31c, the time when the determination result of each date is received is displayed.

<Effect of the modified example of the third embodiment>
According to the above modification example, the following effects can be achieved.

As shown in FIG. 11 (a), the determination result of whether or not the speed of immersion in hot water was equal to or higher than the predetermined threshold speed was transmitted to the server 50 (S305), and as shown in FIG. 11 (b). The determination result is stored in the server 50 (S402). Then, as shown in FIG. 12A, the server 50 transmits the determination result to the mobile terminal device 30 in response to the transmission request from the mobile terminal device 30 (S411: YES) (S412). According to this configuration, the user of the mobile terminal device 30 appropriately sends a transmission request to the server 50 and obtains a determination result from the server 50, so that the bather can slowly soak in hot water and is safe. You can watch if you are taking a bath.

Also in the above modified example, as shown in FIG. 10, as shown in FIG. 10, the speed of immersion in hot water is equal to or higher than the threshold speed based on the fact that the water level rises by the threshold increase amount ΔWLth2 or more during the period ΔP2 of the second period. It is determined that it was. According to this configuration, as described above, it is determined whether or not the bathing operation is too fast during the period in which the body, which is prone to heat shock, is immersed in hot water. Therefore, it is possible to more appropriately determine the bathing operation that easily leads to a heat shock, and it is possible to appropriately notify the bather to urge the bather to take a gentle bath. In addition, it is possible to provide an appropriate determination result to the user of the mobile terminal device 30. Therefore, the user of the mobile terminal device 30 can appropriately monitor the bathing operation of the bather.

As shown in FIG. 12A, the server 50 transmits information in which the determination result is associated with the calendar to the mobile terminal device 30 (S412). According to this configuration, the user of the mobile terminal device 30 can confirm whether the bathing operation is too fast on a daily basis. Therefore, the user can grasp the tendency of the bathing behavior of the bather and can send appropriate advice to the bather.

<Other changes>
In the third embodiment, the process of the second embodiment shown in FIG. 6 (a) may be executed before the process of FIG. 8 (a) is started. In this case, as shown in FIG. 10, the period ΔP1 is set shorter than the period ΔP2, and the period ΔP2 is set to the second period. As a result, as shown in FIG. 10, it is determined whether or not the bathing start operation is performed at the timing when the period ΔP1 has elapsed, and the notification process is appropriately executed. Further, it is determined whether or not the bathing speed is equal to or higher than a predetermined threshold value at the timing when the period ΔP2 has elapsed, and the notification process is appropriately executed.

According to this configuration, the speed at which the water level in the bathtub 2 rises by the threshold value increase amount ΔWLth1 (first threshold value increase amount) or more, that is, at the timing when the bather immerses his / her feet in the hot water, the speed at which the bathtub 2 is immersed in the hot water. A notification output is performed to encourage the user to relax. This encourages the bather to slow down the rate of soaking in the water before then soaking the torso in the water. Therefore, it is possible to prevent the heat shock that tends to occur when the body is immersed in hot water. Then, after that, by the process of the third embodiment, it is determined whether or not the speed of actually immersing in hot water is too fast, and if it is too fast, a notification to that effect is given. As a result, the bather can grasp when the speed of bathing, which is prompted to slow down the speed of soaking in hot water at the time of bathing, is still high. This motivates the bather to take a bath later the next time he takes a bath, and as a result, can more reliably prevent heat shock.

Further, in the second embodiment, the period ΔP1 shown in FIGS. 7A and 7B is set to 2 seconds, but the period ΔP1 is not limited to 2 seconds and may be, for example, about 1 to 3 seconds. The period ΔP1 may be included in the first period (see FIG. 10) in which the foot is immersed in hot water, and may be set to a length capable of determining whether or not the foot is immersed in hot water. Further, although the start timing of the period ΔP1 is set at the timing at which the water level rise starts (time T11), it may be set after the timing at which the water level rise starts. However, if the start of the period ΔP1 is delayed, the end timing of the period ΔP1 tends to be applied to the period ΔPs (see FIG. 7A). Therefore, the start timing of the period ΔP1 is set to the timing at which the water level starts to rise. Is preferable.

Further, in the third embodiment, the period ΔP2 shown in FIG. 9 is set to 10 seconds, but the period ΔP2 is not limited to 10 seconds and may be, for example, about 5 to 15 seconds. In this case, the period ΔP2 includes at least a part of the second period (see FIG. 10) in which the body is immersed in hot water, and may be set to a length such that the speed of immersion in hot water can be determined. Further, in this case, the start timing of the period ΔP2 is set at the timing at which the water level rise starts (time T11), but it may be set after the timing at which the water level rise starts.

Further, in the third embodiment, when the determination method shown in FIG. 10 is used, the period ΔP2 shown in FIG. 10 is set to 5 seconds, but the period ΔP2 is not limited to 5 seconds and is, for example, 2 to 8 seconds. It may be about. In this case, the period ΔP2 is included in the second period in which the body is immersed in hot water, and may be set to a length such that the speed at which the body is immersed in hot water can be determined. Further, in this case, the start timing of the period ΔP2 is set to the start timing of the second period (time T21), but may be set after the start timing of the second period. However, if the start of the period ΔP2 is delayed, the end timing of the period ΔP2 is likely to be later than the end timing of the second period (time T23). Therefore, the start timing of the period ΔP2 is the start timing of the second period. It is preferably set to.

Further, in the first embodiment, it is determined whether or not the bather has entered the bathroom based on the detection result of the motion sensor 128, but for determining whether or not the bather has entered the bathroom. The method is not limited to this. For example, an open / close sensor for detecting the opening / closing of the bathroom door may be installed, and it may be determined whether or not the bather has entered the bathroom based on the detection result of the open / close sensor.

Further, in the second embodiment, it is determined whether or not the bathing start operation is performed based on the detection result of the water level sensor 114, but this is the method for determining whether or not the bathing start operation is performed. Not limited to. For example, an illuminance sensor may be arranged on the backrest portion of the bathtub 2, and it may be determined whether or not the bathing start operation is performed based on the detected illuminance of the illuminance sensor. Further, when the motion sensor 128 can individually detect the range of the bathtub 2, even if it is determined whether or not the bathing start operation is performed based on the detection result of the motion sensor 128 for the range of the bathtub 2. good.

Further, in the modification of the third embodiment, the determination in step S301 is performed by the determination method of FIG. 10, but the determination in step S301 may be performed by the determination method of FIG.

Further, in the determination method of FIG. 10, the first period and the second period are distinguished by detecting the period ΔPs, but the method of distinguishing the first period and the second period is not limited to this. For example, two periods in which the rate of change of the water level is constant within a predetermined allowable range (excluding the period in which the rate of change of the water level is 0) are specified, of which the earlier period is the first period and the temporal period. The late period may be set as the second period.

Further, in the above embodiments 1 to 3 and the modified example, the temperature sensor 129 is installed in the bathroom, but may be installed outside the bathroom. Also in this case, since heat shock is likely to occur when the temperature outside the bathroom is low, it is preferable that the notification process is performed based on the detected temperature of the temperature sensor 129 as described above. Further, although the temperature sensor 129 is configured as a part of the bathroom remote controller 12, the bathroom remote controller 12 may acquire the detected temperature from a thermometer separately installed in the bathroom.

Further, in the first to third embodiments and the modified examples, in steps S102, S202, and S302, it was determined whether or not the temperature in the bathroom was equal to or less than a predetermined threshold value Tm. However, not limited to this, in steps S102, S202, and S302, whether or not the temperature difference between the set temperature of the hot water in the bathtub 2 and the temperature in the bathroom detected by the temperature sensor 129 is equal to or higher than a predetermined threshold value. May be determined. In this case, the threshold value may be set near the lower limit of the temperature difference range in which heat shock may occur. In addition, it is determined whether or not the bathing day is included in the cold season (calendar or season) where heat shock is likely to occur, without determining the temperature in the bathroom or the temperature difference between the bathroom and the hot water in the bathtub. You may do so.

Further, in the first to third embodiments and the modified examples, the notification processing unit 123a does not necessarily have to be realized as a function based on a program, but may be realized by hardware based on a logic circuit.

Further, in the above embodiments 1 to 3 and the modified example, the kitchen remote controller 13 constituting the hot water supply device 10 is provided with the wireless communication unit 138 for communicating with the router 20, but the wireless communication unit is the water heater 11 or the like. A water heater 11 or a bathroom remote controller 12 may be provided on the bathroom remote controller 12 and connected to the router 20. Alternatively, a control unit provided with a wireless communication unit other than the water heater 11, the bathroom remote controller 12, and the kitchen remote controller 13 may be arranged in the hot water supply device 10, and this control unit may be connected to the router 20.

Further, the configuration of the water heater 11 is not limited to the configuration shown in FIG. 3, and may be another configuration. For example, in the configuration of FIG. 3, the hot water in the bathtub 2 is circulated to the bath heat exchanger 222 to reheat the hot water in the bathtub 2, but the water heater 11 reheats the hot water in the bathtub 2. The reheating function may be executed by adding to.

Further, the hot water supply device 10 is not limited to the one using gas fuel, and may be a hot water supply device using oil as fuel. The hot water supply device 10 may be of a storage type using a storage tank, or may be configured to further include a power generation unit such as a fuel cell.

Further, in the above-described first to third embodiments and the modified examples, as the bath function device that executes a predetermined bath function for the bathtub 2, the hot water supply device 10 having a bath-related function and a hot water supply function is exemplified. , It may be a device capable of executing only bath-related functions. For example, the bath system may be provided with a bath function device having only a function of circulating the water stored in the bathtub 2 in a heat exchanger to warm it. In this case, the bath function device may have a configuration for boiling the bath and a configuration for communicating with the server of the bath system.

In addition, various modifications of the embodiment of the present invention can be made as appropriate within the scope of the claims.

1 Hot water supply system (bath system)
2 Bathtub 10 Hot water supply device (bath function device)
12 Bathroom remote controller (notification unit)
30 Mobile terminal device 40 External communication network 50 Server 114 Water level sensor (detector, bathing sensor)
123a Notification processing unit 128 Motion sensor (detection unit, room entry sensor)

Claims (12)

The notification unit installed in the bathroom and
A detector that detects a predetermined bathing process for the bathtub,
A notification processing unit that causes the notification unit to output a notification that encourages the speed of immersion in hot water in the bathtub to be slowed based on the detection result of the detection unit is provided.
A bath function device characterized by this. In the bath function device according to claim 1,
The detection unit includes an entry sensor for detecting that a person has entered the bathroom.
The notification processing unit causes the notification unit to perform the notification output based on the detection that a person has entered the bathroom by the output from the room entry sensor.
A bath function device characterized by this. In the bath function device according to claim 1,
The detection unit includes a bathing sensor for detecting that a person has entered the bathtub.
The notification processing unit causes the notification unit to perform the notification output based on the detection of the bathing start operation for the bathtub by the output from the bathing sensor.
A bath function device characterized by this. In the bath function device according to claim 3,
The bathing sensor is a water level sensor that detects the water level of hot water in the bathtub.
The notification processing unit detects the bathing start operation based on the fact that the water level rises by a predetermined threshold value or more during a predetermined period after the start of the water level rise.
A bath function device characterized by this. In the bath function device according to claim 1,
The detection unit includes a bathing sensor for detecting that a person has entered the bathtub.
The notification processing unit causes the notification unit to perform the notification output based on the output from the bathing sensor that the speed of immersion in hot water in the bathtub is equal to or higher than a predetermined threshold speed.
A bath function device characterized by this. In the bath function device according to claim 5,
The bathing sensor is a water level sensor that detects the water level of hot water in the bathtub.
The notification processing unit causes the notification unit to perform the notification output based on the fact that the water level has risen by a predetermined threshold increase amount or more during a predetermined period after the start of the water level rise.
A bath function device characterized by this. In the bath function device according to claim 6,
Immediately after the start of the water level rise, the notification processing unit distinguishes between the first period in which the bather's feet are immersed in the hot water and the second period in which the bather's torso is immersed in the hot water, and within the second period. Based on the fact that the water level rises by the amount of the second threshold value or more during the second predetermined period, the notification output is made to be performed by the notification unit.
A bath function device characterized by this. In the bath function device according to claim 7,
The notification processing unit notifies the notification output based on the fact that the water level rises by the first threshold value or more during the first predetermined period shorter than the second predetermined period within the first period. Let the club do it,
A bath function device characterized by this. In a bath system including a server capable of communicating with a mobile terminal device via an external communication network and a bath function device capable of communicating with the server via the external communication network.
The notification unit installed in the bathroom and
A detector that detects a predetermined bathing process for the bathtub,
A notification processing unit that causes the notification unit to output a notification that encourages the speed of immersion in hot water in the bathtub to be slowed based on the detection result of the detection unit is provided.
A bath system featuring that. In the bath system according to claim 9,
Further equipped with a water level sensor for detecting the water level of the hot water in the bathtub,
The notification processing unit causes the notification unit to perform the notification output based on the output from the water level sensor that the speed of immersion in the hot water in the bathtub is equal to or higher than a predetermined threshold speed, and causes the hot water to perform the notification output. The server stores the determination result of whether or not the immersion speed is equal to or higher than the threshold speed.
The server transmits the determination result to the mobile terminal device in response to a transmission request from the mobile terminal device.
A bath system featuring that. In the bath system according to claim 10,
Immediately after the start of the water level rise, the notification processing unit distinguishes between the first period in which the bather's feet are immersed in the hot water and the second period in which the bather's body is immersed in the hot water, and the notification processing unit distinguishes between the first period and the second period in which the bather's body is immersed in the hot water. Based on the fact that the water level rises by a predetermined threshold increase amount or more during a predetermined period, it is determined that the speed of immersion in the hot water is equal to or higher than the threshold speed.
A bath system featuring that. In the bath system according to claim 10 or 11.
The server transmits information in which the determination result is associated with the calendar to the mobile terminal device.
A bath system featuring that.

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