JP3646318B2 - Hot water heater with automatic hot water beam function - Google Patents

Description

[0001]
[Industrial application fields]
The present invention mainly relates to a remote controller for remotely operating a device wirelessly and a hot water heater with an automatic hot water function.
[0002]
[Prior art]
The conventional hot water heater with automatic hot water function that can automatically supply hot water to this type of bathtub automatically stops the supply of hot water from the water heater when a predetermined amount of hot water is applied to the bathtub. Is.
[0003]
[Problems to be solved by the invention]
However, since the conventional water heater with automatic hot water function does not have a means for detecting whether or not the drain plug of the bathtub is in a closed state, the automatic hot water heater can be opened with the drain plug of the bathtub opened. When performed, there was a waste of flowing a certain amount of hot water without accumulating hot water in the bathtub. To prevent this waste, even if a shutoff valve is attached to the drain plug of the bathtub, the cable line connection work that becomes the control signal line of this shutoff valve reaches the bottom of the bathtub. There were difficulties in installation work including waterproofing.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the hot water heater with an automatic hot water function according to the present invention, when the automatic hot water switch of the remote controller is pressed, starts the automatic hot water sequence to the control device in the hot water heater, and the drain plug part of the bathtub Wirelessly communicates a closing instruction to a closing valve driven by a battery attached to the.
[0005]
[Action]
By the means described above, the water heater with an automatic hot water function according to the present invention can be connected to the drain plug portion of the bathtub at the start of the automatic hot water sequence even when automatic hot water is applied with the drain plug of the bathtub opened. This prevents the waste caused by the battery-operated shut-off valve provided and hot water flowing.
[0006]
【Example】
Embodiments of a hot water heater with an automatic hot water function according to the present invention will be described below with reference to the drawings.
[0007]
FIG. 1 is a block diagram illustrating a system according to an embodiment of the present invention. In the figure, a water heater 1 includes a water heater controller 1a, a heat exchanger 1b, a burner 1c, a water amount sensor 1d, and a solenoid valve 1e. When the automatic hot water switch 2a is pressed, the remote operation remote controller 2 wirelessly sends an automatic hot water sequence start instruction to the water heater control means 1a and the drain valve control means 5, and the water heater control means 1a receiving the instruction is electromagnetic The valve 1e is opened to open the water passage to the bathtub 3, and the burner 1c is ignited to start pouring hot water into the bathtub 3 via the heat exchanger 1b. At the same time, the drain valve control means 5 receiving the instruction closes the drain valve 4.
[0008]
The water heater control means 1a measures the amount of hot water with the water amount sensor 1d, and when the predetermined amount of hot water is completed, the electromagnetic valve 1e is closed and the automatic hot water sequence is terminated. Therefore, even if the automatic hot water switch 2a is pressed while the drain plug 3a is opened, the hot water is not wasted.
[0009]
In this example, the drain valve was closed simultaneously with the start of the automatic hot water sequence, but if a pressure sensor was used instead of the water volume sensor, it was detected that there was no pressure change due to hot water in the bathtub. If the drain valve is closed for the first time, it is not necessary to close the drain valve when the drain valve is plugged, and the battery life of the drain valve driving power source can be extended.
[0010]
【The invention's effect】
As is apparent from the above description, the water heater with an automatic hot water function of the present invention has a drain plug for the bathtub at the start of the automatic hot water sequence even when the automatic hot water is applied with the drain plug of the bathtub opened. Since the drain valve of the part is closed, there is no waste of flowing a certain amount of hot water. Moreover, since the cable line connection work is unnecessary, it becomes easy to attach a drain valve driven by a battery to the drain plug portion of the bathtub.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a water heater with an automatic hot water function according to an embodiment of the present invention.
DESCRIPTION OF SYMBOLS 1 Water heater 1a Water heater control means 1d Water quantity sensor 1e Solenoid valve 2 Remote control 3 Bathtub 3a Drain plug 4 Drain valve 5 Drain valve control means

Claims (1)

A water heater main body for supplying hot water, a hot water beam circuit for supplying hot water from the water heater main body to the bathtub, an electromagnetic valve for opening and closing the hot water beam circuit, and a sensor for measuring the amount of hot water supplied to the bathtub, A controller that closes the solenoid valve if it detects that a predetermined amount of hot water has been supplied by the sensor after opening the solenoid valve, and a battery-operated shut-off valve provided in the drain plug portion of the bathtub; A water heater with an automatic hot water function, comprising: a drain valve control means for controlling the shutoff valve; and a remote controller for transmitting a control signal to the control device and the drain valve control means.

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