JPS61289263A - Hot-water supplying device for bath - Google Patents

Abstract

PURPOSE:To permit to stop pouring of hot-water forcibly after the limit time of pouring hot-water and realize highly reliable device by a method wherein a water level setting means is provided in a remote control unit to control pouring to hot-water while a limit timer means for pouring hot-water, for limiting the time of pouring hot-water, is provided in the title device. CONSTITUTION:When a water level signal (f) from a water level detecting means 6 is smaller than the water level setting signal (d), outputted from the water level setting means 11 of the remote controller 9 and sent through a signal wire 12, a water level comparing means 7 outputs a condition for operating a hot-water pouring means 4. The hot-water pouring limit timer means 8 starts the counting thereof when a hot-water pouring switch 10 is put ON and outputs hot-water pouring enable signal until a predetermined hot-water pouring limit time has elapsed. When the hot-water pouring operation is progressed and the water level in a bathtub has arrived at the level of water level setting signal, outputted from the remote control unit 9, the hot-water pouring means is stopped and pouring of hot-water is finished. Even in case the water level setting signal becomes abnormal, hot-water pouring may be stopped automatically when the hot-water pouring limit time has elapsed and the safety of the device may be kept.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a bath water supply device that allows a user to change the water level of hot water poured into a bathtub from a remote control installed in a kitchen or the like according to the user's preference.

Conventional technology In conventional so-called automatic bath pots, pouring water into the bathtub is controlled by tilting a fixed or semi-fixed water level switch installed on the device itself or near the bathtub, and the water level that can be controlled is only one point. Met.

Problems to be Solved by the Invention Therefore, with the above-described configuration, it is impossible for the user to arbitrarily select the water level for pouring hot water into the bathtub from the remote control, and this remains inconvenient. SUMMARY OF THE INVENTION In order to solve such conventional problems, it is an object of the present invention to provide a bath water supply device that allows the water level of hot water poured into a bathtub to be arbitrarily set from a remote control and that has a highly reliable configuration.

Means for Solving the Problems In order to solve the above problems, the bath water heater of the present invention includes a water level setting means for allowing the user to arbitrarily select the water level for pouring hot water, and a remote control for remotely controlling the equipment. The water level setting signal is transmitted to the main body of the device.

The main body of the device includes a water level detection means for detecting the water level in the bathtub, a water level comparison means for comparing the water level data in the bathtub detected by the water level detection means and the water level setting signal; 1. The apparatus includes a pouring means for controlling pouring into the bathtub based on an output signal from the water level comparison means, and a pouring limit timer means for limiting the enema time by the pouring means.

After the user sets the desired bath water level using the water level setting means on the remote controller, when the user presses the hot water pouring button, the hot water pouring means is activated and pouring of hot water begins. At this time, the pouring limit timer means also starts operating at the same time and outputs the pouring enable signal until a predetermined pouring limit time has elapsed.

When the pouring operation progresses and the water level in the bathtub reaches the level of the water level setting signal output from the remote controller, the pouring means stops and the pouring is completed.

Even if the output signal line from the water level setting means is disconnected or short-circuited and the water level setting signal becomes abnormal, the pouring will automatically stop after the pouring limit time has elapsed, ensuring safety.

Embodiments Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a device body, which is connected to a bathtub 2 through water pipes 3a and 3b. The 4-piece pouring means consists of a pouring control circuit 4a, a pouring valve 4b, a hopper 4c, an S heat exchanger 4d, a burner 4e, etc., and includes a water level comparison means 7, a pouring limit timer means 8, and a pouring switch 10. The hot water produced by the heat exchanger 4d is poured into the hot water pouring valve 4 according to the output conditions of
Hot water is poured into the bathtub 2 via the b1 hopper 4C.

Water level detection means uses six pressure sensors 6a, and an air trap 6c changes according to the water level in the bathtub 2.
, a method is adopted in which the water level is calculated by measuring the air pressure inside the tube 6b.

The water level comparing means 7 receives the water level signal f from the water level detecting means 6 and outputs it from the water level setting means 11 of the remote controller 9, and the signal line 12
When it is smaller than the water level setting signal d sent via
The conditions for operating the pouring means 4 are output.

The pouring limit timer means 8 starts counting when the pouring switch 10 is turned on, and outputs another condition for operating the pouring means 4. The timer time of the pouring limit timer means 8 may be fixed to a constant value regardless of the set water level, but it can also be associated with the water level setting signal d output from the water level setting means 11. 5 is a reheating means for reheating the bath; 5a is a heat exchanger, and 5b is a burner.

FIG. 2 shows an embodiment of the pouring limit timer means 8, and FIG. 3 is a timing chart of signals of each part.

When the pouring switch 10 of the remote control 9 is turned on and the pouring switch signal 9a is input to the one-shot circuit 13, one pulse signal is output. When the one-shot pulse signal is input to the CR integration circuit 14, the timer becomes an initial state, and the pouring control signal e output from the comparator 15 becomes an active state. The pouring time limit TMAX is determined by the value of the water level setting signal -8d.

Effects of the Invention As described above, according to the bath water supply device of the present invention, the following effects can be obtained.

The remote controller is provided with a water level setting means, and its output signal is transmitted to the main body of the device via a signal line to control pouring, and a pouring limit timer means is provided to limit pouring time. By adopting this structure, even if the signal line for transmitting the output signal from the water level setting means is disconnected or short-circuited and the water level setting signal becomes an abnormal value, the pouring limit timer means will limit the pouring. Since hot water pouring can be forcibly turned off after a certain period of time, an easy-to-use and highly reliable bath water heater can be realized.

[Brief explanation of the drawing]

FIG. 1 is a control block diagram of a bath water heater according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of the main parts thereof, and FIG. 3 is a timing chart of signals of the same parts. 1... Body, 2... Bathtub, 4...
・Pouring means, 6...Water level detection means, 7...Water level comparison means, 8...Pouring limit timer means, 9
...Remote control, 11...Water level setting means.

Claims (4)

[Claims] (1) Water level setting means provided on the remote controller for remote control of the device, water level detection means provided on the main body of the device for detecting the water level in the bathtub, and water level detected by the water level detection means Water level comparison means for comparing water level data in the bathtub with a water level setting signal sent from the water level setting means, and pouring water for controlling the pouring of hot water into the bathtub based on the output signal from the water level comparison means. means and
A bath hot water supply device equipped with a hot water pouring limit timer means for restricting hot water pouring operation by a hot water pouring control means within a predetermined time. (2) A patent claim for immediately stopping the pouring operation if the water level data based on the water level detection signal does not reach a predetermined level even after a predetermined pouring limit time has elapsed after the pouring means starts pouring. The bath water heater according to item 1. (3) After starting pouring by the pouring means, if the water level data based on the water level detection signal does not reach the water level setting signal level even after a predetermined pouring limit time has elapsed, the pouring operation is immediately stopped. A bath water supply device according to claim 1. (4) The bath water supply device according to claim 1, wherein the timer time of the hot water pouring limit timer means is related to the water level setting signal level.