JPH0738837B2 - Bathing indicator - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

The present invention relates to a bathing display device for displaying that a person is in a bathtub.

[Prior art]

Conventionally, in a bathtub control system that controls a bathtub using a microcomputer, hot water supply to the bathtub or hot water supply to a set water level, water supply, or a burner until the hot water or water reaches a set temperature. The operation such as burning is automatically performed. In such a bathtub control system, after the hot water is boiled, a bathing indication is not provided to inform the outside of the bathroom whether or not a person is in the bathtub.

[Problems to be Solved by the Invention]

In the conventional bathtub control system, it is not possible to directly know whether or not a person is in the bathtub outside the bathroom, which causes various inconveniences. In addition, when a person is in the bathtub, for example, when an old man is stuck in the bath due to a sudden illness, etc., it may be too late for anyone in the family to notice for a long time. Was there. The present invention has been made in view of the above circumstances, and an object thereof is to provide a bathing display device that detects and displays that a person is in the bathtub.

[Means for Solving the Problems]

The bathing indicator according to the present invention determines that a person has bathed when the water level detecting means for detecting the water level of hot water in the bathtub and the water level obtained by the water level detecting means rises above a predetermined value. At the same time, it is confirmed that the water level obtained by the water level detecting means in such a bathing state is fluctuating due to the movement of a person while bathing or the water pouring operation, and an alarm is generated when the fluctuation does not occur for a predetermined time. In addition, a control device having a function of ending the checking operation when the water level drops below a predetermined value is provided.

[Action]

The bathing display device according to the present invention detects an increase in the water level when a person enters the bathtub, and displays that the bath is currently taking place based on the detection.

【Example】

An embodiment of the present invention will be described below with reference to the drawings. The drawings are configuration diagrams showing a bath control system including the present invention, in which 1 is a bathtub, 2 is hot water in the bathtub, 3 is a bathtub connected to the bathtub, 4 is an operation panel, and 5 is an operation. A display unit 6 provided on the panel 4 is a control device using a microcomputer for controlling the bathtub 3 and the display unit 5. In the bath kettle 3, 7 is a gas supply pipe, 8 and 9 are gas solenoid valves provided in the gas supply pipe 7, 10 and 11 are proportional valves that branch the gas from the gas solenoid valve 9, and 12 is from the proportional valve 10. Is a hot water supply burner for burning the gas, and 13 is a bathtub burner for burning the gas from the proportional valve 11. 14 is a water supply pipe, 15 is a temperature sensor provided in the water supply pipe 14, 16 is a flow rate sensor provided in the water supply pipe 14, 17 is for boiling the water from the water supply pipe 14 in the hot water supply burner 12. Hot water supply heat exchanger, 18 is a hot water supply pipe for passing hot water from the hot water supply heat exchanger 17, 19 is a temperature sensor provided in the hot water supply pipe 18, 20 is a hot water supply pipe
An electromagnetic valve for hot water supply provided at 18, a hot water supply confirmation switch provided at the hot water supply pipe 18, a hot water supply faucet provided at the hot water supply pipe 18, a hot water supply pipe 23 connected to the bathtub 1, 24 Is the feed pipe
23 is a temperature sensor, 25 is a pump for feeding hot water of the feed pipe 23, 26 is a feed pipe connected to the outlet side of the pump 25, 27 is a pressure sensor provided in the feed pipe 26, and 28 is a feed pipe 26. Bath heat exchanger for boiling hot water from bath burner 13
Is a return pipe for returning hot water from the bath heat exchanger 28 to the bath 1. On the operation panel 4, 30 is an operation switch for turning on / off the system operation, 31 is an operation indicator light, 32 is an automatic operation switch, 33 is an automatic operation indicator light, 34 is a timer reserved operation switch, and 35 is a reserved operation display. Light, 36 is a priority switch for hot water supply setting for bath / kitchen, 37 is a priority setting indicator light, 38 is a heating switch, 39 is a heating indicator light, 40 is a timer setting switch,
41 is an hour setting switch, 42 is a minute setting switch, 43 is a temperature rising switch for setting hot water temperature, 44 is also a temperature lowering switch, 45 is a temperature rising switch for bath temperature setting,
Similarly, 46 is a temperature lowering switch, and 47 is a water level setting switch in the bathtub 1. In the display unit 5, 48 is a use display unit of the shower or hot water supply faucet 22, 49 is a hot water supply temperature display unit, 50 is a combustion display unit of the hot water supply burner 12, 51 is a time display unit, 52 is a water level display unit, and 53 is The temperature of water in the bathtub 1 or a hot water temperature display portion 54 is a combustion display portion of the bathtub burner 13. Reference numeral 55 is a bathing indicator related to the present invention, which is formed in the shape of a bathtub and a person. Reference numeral 56 denotes a light emitting element provided in the bathing display section 55 and composed of two LEDs. Next, the operation of the above configuration will be described. For example,
When operating in the automatic mode, while setting the hot water supply temperature while watching the hot water supply temperature display portion 49 using the temperature increase switch 43 or the temperature decrease switch 44, the temperature increase switch is set.
45 or the bath temperature display 53 using the temperature lowering switch 46
While watching, the temperature of the hot water in the bathtub 1 is set. Furthermore, using the water level setting switch 47, while watching the water level indicator 52, the bathtub 1
After setting the water level inside, press the automatic operation switch 32. The control device 6 opens the gas solenoid valves 8 and 9 and the proportional valve 10 according to the set temperature and the set water level, supplies gas to the hot water supply burner 12, and operates an ignition device (not shown). Burn the hot water supply burner 12. This allows the water supply pipe
The water supplied from 14 is heated by the hot water supply heat exchanger 17, and when it reaches a predetermined temperature, the hot water supply solenoid valve 20 is opened, and the hot water from the hot water supply heat exchanger 17 passes through the hot water supply pipe 18 and the hot water supply faucet. Hot water is supplied to the bathtub 1 from 22. As a result, the water level of the hot water in the bathtub 1 rises, and when the set water level is reached, the hot water supply operation is stopped. A pressure sensor 27 provided in the feed pipe 26 is used as the water level detecting means used for controlling the hot water supply operation. That is, when the hot water 2 is supplied to the bathtub 1, the hot water 2 enters the feed pipe 26 from the feed pipe 23 through the pump 25,
Further, it reaches the bath heat exchanger 28. Therefore, if the water level in the bathtub 1 rises, the height from the water surface to the mounting position of the pressure sensor 27 changes, and the detection value of the pressure sensor 27 that detects the water pressure rises accordingly. The control device 6 obtains the water level by performing a predetermined calculation based on the detected value. If the hot water 2 has not reached the set temperature when the set water level is reached, then reheating is performed. That is, the proportional valve 11 is opened, the bath burner 13 is ignited, and the hot water 2 in the bath heat exchanger 28 is heated. Further, the pump 25 is operated so that the hot water 2 in the bathtub 1 is sequentially supplied to the bath heat exchanger 28 through the feed pipes 23 and 26. The heated hot water is returned to the bathtub 1 through the return pipe 29. In this way, the temperature of the hot water 2 in the bathtub 1 rises, and when the temperature reaches the set temperature, the reheating is stopped. A temperature sensor 24 provided in the feed pipe 23 is used as a temperature sensor used for controlling the above-described reheating operation. Next, when a person enters the bathtub 1 filled with the set water level of the hot water 2 boiled at the set temperature, the water level of the hot water 2 suddenly rises from the set water level, and the detected value of the pressure sensor 27 also rises sharply in response thereto. To do. When the water level rises above a predetermined value within a predetermined time, the control device 6 considers that a person has entered the bathtub 1 and outputs a display control signal. This causes the light emitting element 56 to emit light, indicating that the user is currently taking a bath. The operation panel 4 is installed in, for example, a kitchen or a washroom other than the bathroom to remotely control the bath tub 3. Alternatively, only the display unit 5 may be provided in a place other than the bathroom. In addition, an alarm can be issued when an abnormality occurs in a person taking a bath. That is, if bathing is performed normally, a person moves in the bathtub 1, so the water level fluctuates finely, and this fluctuation in water level is detected by the pressure sensor 27, and it is possible to detect that it is normal.
On the other hand, if the rising water level is almost constant for a long time, it is considered that an abnormality has occurred during bathing, and an alarm signal is generated. In order to obtain the alarm signal, for example, a variation of the detection value of the pressure sensor 27 that is equal to or more than a predetermined value is detected,
The detection signal triggers the retrigger timer, and if the water level changes again within the set time of the timer, the detection signal resets the timer and triggers again. The output signal when the time is exceeded may be used as an alarm signal.

【The invention's effect】

As described above, according to the present invention, when the water level of the water level in the bathtub rises above a predetermined value, it is determined that a person has bathed, and the water level detection means obtained in such a bathing state. It is confirmed that the water level is fluctuating due to the movement of a person while bathing or the water pouring operation, and when the fluctuation does not occur for a predetermined time, an alarm is generated and when the water level falls below a predetermined value, Since it is configured to have a function of ending the confirmation operation, it is possible to reliably distinguish between a disturbance such as moving the body in the bathtub or pouring water in the bathtub and a bathing that maintains a substantially constant water level during bathing. Moreover, since the fluctuation of the water level can be secured in a shorter time than the normal bathing time, when the person who is taking a bath becomes unable to move due to sudden illness or the like, the remarkable effect of being able to promptly notify the outside person is obtained.

[Brief description of drawings]

The drawings are block diagrams showing a bathtub control system including a bathing display device according to an embodiment of the present invention. 1 is a bathtub, 2 is hot water, 3 is a bath kettle, 6 is a control device, 55 is a bathing indicator, and 56 is a light emitting element.

Claims (1)

[Claims] 1. A water level detecting means for detecting the water level of hot water in a bathtub, and when the water level obtained by this water level detecting means rises above a predetermined value, it is determined that a person has taken a bath, and In the bathing state, it is confirmed that the water level obtained by the water level detecting means is fluctuating due to the movement of the person in the bath or the water pouring operation, and when such fluctuation does not occur for a predetermined time, an alarm is generated and the water level is raised. Bathing display means, comprising a control device having a function of ending the checking operation when the temperature falls below a predetermined value.