JP2002228175A - Hot-water sprinkling device for bathroom floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hot water sprinkling device for a bathroom floor by a simple work for heating the floor, in which a hot-water sprinkling faucet is provided in an appropriate position in the bathroom, and the faucet is connected with a pipe to a midway of a reheating circulation pipe laid between a wall penetratingly installed bath-heater and a bathtub. SOLUTION: In a wall penetratingly installed bath heater A, there are installed heat exchangers 22, 23 respectively for water-supply and reheating, and a pump 10 for forced circulation of bathtub hot/cold water, and an air- supply and exhaust opening in the outside, and there are installed joints of piping on the wall in the bathroom. A flow pipe and a return pipe for circulation of the bath heater A and the bathtub 26 are provided. A flow path selector valve 36 is provided in the midway of the flow pipe to the bathtub for switching bathtub circulation water heated by the heat exchanger 23 to a sprinkle faucet 34 for the bath room floor 37, and the joint port of the valve 36 and the sprinkle faucet 34 are connected with a rubber tube, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom floor disperser which uses hot water in a bath tub reheated by a reheater for a through-the-wall type bath kettle to sprinkle water on the bathroom floor and heat the floor surface. It relates to a hot water device.

[0002]

2. Description of the Related Art As a method of heating a bathroom floor by bathing a shower before bathing on a bathroom floor that becomes cold in cold weather, a mist shower, a hot water bath, a body shower and a floor shower are provided on a wall surface of the bathroom. There is known a hot water spraying device in which a bathroom floor is heated by a multifunctional shower device (see Japanese Utility Model Laid-Open No. 6-10718).

[0003] However, the conventional hot water spray device requires a multifunctional shower device to be mounted on a wall portion in a bathroom separately from a water heater for a bathtub, requires a large installation space, and requires a large facility construction cost. There is a problem and the bathroom becomes narrow.

[0004]

DISCLOSURE OF THE INVENTION The present invention relates to a circulating hot water heated by a heat exchanger for reheating a bath tub of a through-the-wall type bath kettle having functions for hot water supply and reheating, and is scattered on the bathroom floor. A bathroom that can heat the bathroom floor with simple construction by simply connecting the middle of the pipe for additional heating circulation between the bath kettle and the bathtub and the spout provided at an appropriate position in the bathroom by hot water It is intended to provide a floor watering apparatus.

[0005]

The present invention relates to the following. (1) Equipped with a heat exchanger for hot water supply and reheating, and a pump for forced circulation of hot and cold water in the bathtub, with a supply / exhaust port located outdoors and a connection part for piping arranged on the wall side in the bathroom. The circulating hot and cold water in the bath tub heated by the heat exchanger for additional heating is placed in the middle of the outgoing pipe to the bath tub, out of the circulating pipe between the outgoing pipe and the return pipe that connects the circulation port of the bathtub and the bath tub. A bathroom floor watering apparatus comprising a flow path switching valve for switching a flow path to a water spout to the floor, and connecting the flow path switching valve and the water spout to the bathroom floor by piping. (2) The bathroom floor sprinkler according to the above (1), wherein the operation of the pump is stopped after elapse of a predetermined time after water is sprinkled on the bathroom floor from the spout. (3) The bathroom floor watering apparatus according to the above (1) or (2), wherein a water spout for the bathroom floor is provided in an apron portion of a bathtub installed in the bathroom so that water can be sprayed toward the bathroom floor. (4) The bathroom floor sprinkler according to any one of the above (1) to (3), wherein the flow path switching valve and the spout are connected by a bendable pipe.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A bath-type bath kettle in a bathroom floor watering apparatus according to the present invention is provided by fitting a rectangular opening hole for a supply / exhaust port of an outer wall of a bathroom in which a bathtub is installed from a bathroom side to a bathroom wall surface. And the bath kettle body part protrudes outdoors,
Piping portions for water, gas and the like are arranged on the wall surface side in the bathroom.
A fan, hot water supply burner and bath burner, a pump for forced circulation of bath water,
A temperature sensor for detecting the temperature of bathtub water forcedly circulated by a pump, a heat exchanger for hot water supply and a heat exchanger for additional heating, a gas proportional valve for adjusting the amount of combustion gas used for the additional heat exchanger, and a bathtub A circulation detecting means for detecting that water is being forcedly circulated by a pump is provided, and an outgoing gate and a return gate of the bath kettle body and a circulating port of a bathtub installed in the bathroom are connected by a circulating pipe to form a bath. Hot water can be circulated between the pot body and the bathtub. On the way of the circulation pipe in the circulation pipe, a flow path for conveying circulating hot water heated by the reheating heat exchanger to the discharge port of the circulating port of the bathtub, and a circulating hot water toward the bathroom floor described later. There is provided a flow path switching valve which can be switched in two directions with respect to a flow path for transporting the water to a sprinkling port for spraying the hot water.

[0007] The apron section covering the side surface of the bathtub provided in the bathroom is provided with a spout such as a shower device which opens toward the bathroom floor. A rubber hose (about 13 mm in diameter) is connected between the spout and the spout-side connection port of the flow path switching valve provided in the middle of the outflow pipe. It is preferable that the rubber hose is piped so as to crawl using the space between the side wall of the bathtub and the apron, and the spout is formed by penetrating the apron of the bathtub and connecting a shower nozzle or the like to the spout. Make it possible to spray water on the floor. The nozzle structure for discharging the hot water from the sprinkler may be any of a structure in which the hot water is diffused in all directions to form a shower-like fluid, and a structure in which the hot water flows down the bathtub apron and spreads over the bathroom floor, but may be any of the following. Is preferably diffused so as to be able to substantially uniformly heat.

[0008] Spraying water from the spout to the bathroom floor is performed after the water in the bathtub is sucked by operating the pump of the bath penetrating type, and the pump is operated after the elapse of a predetermined time. Try to stop. In addition, the flow path of the hot water sprinkled on the bathroom floor is a flow path capable of transporting the bathtub circulating hot water that has passed through the bath water flow switch, the reheating heat exchanger, and the temperature sensor to the hot water spout.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a bathroom floor watering apparatus according to the present invention will be described below with reference to FIGS. 1 is an overall configuration diagram showing an embodiment of a bathroom floor watering apparatus using a bath kettle of the present invention, and FIG. 2 is an enlarged plan view of a remote controller in FIG. 1. FIG. The bath A includes a control board 3, a tapping thermistor 4, a fan 5, a hot water supply frame lot 6 and a bath frame rod 7, a hot water burner 8 and a bath burner 9, a pump 10 for forcibly circulating bath water, a bath water flow switch 11, a temperature sensor. 12, a water input thermistor 13, a hot water supply amount sensor 14, a gas source solenoid valve 15, a gas proportional valve 16, a gas hot water supply solenoid valve 17, and a gas hot water switching valve 18, 1.
9. The bath portion of the bath kettle body 1 provided with the gas bath solenoid valve 20, the igniter 21, the hot water supply heat exchanger 22, the additional heating heat exchanger 23, etc., has a pipe portion on the wall side in the bathroom. It is fitted into the opening hole for the air supply / exhaust port on the exterior wall of the bathroom from the side of the bathroom so that it is fixed to the wall surface of the bathroom so that the air supply / exhaust port of the bath kettle body 1 protrudes outside. The operation of the shuttle A is performed by operating the remote controller 2.

[0010] Of the circulating pipes connecting the bath vessel main body 1 of the bath pen A with the through-wall installation type and the circulation fitting 24 of the bathtub 26 and the return pipe, the pipes going to the bathtub (shown in the figure) A flow path switching valve 36 is provided in the middle of (forward)), and a rubber hose having a diameter of 13 mm is provided between the connection port of the flow path switching valve 36 on the side of the spout channel and the spout port 34 provided in the apron 33 of the bathtub 26. A pipe floor is connected, and a bath floor 37
Nozzle 35 is connected so that hot water can be sprinkled.

Next, the operation of the bathroom floor sprinkler according to the embodiment will be described in detail. The temperature of the bathtub water conveyed by the pump 10 to the sprinkler port 34 provided in the apron 33 of the bathtub 26 is at least the temperature of the user. The temperature is set to be equal to or higher than the set temperature and unnecessary heating is not performed. Bathtub water temperature (Ti
n) is heated by the additional heating amount (K) when passing through the additional heating heat exchanger 23, and the tapping temperature after heating (Tou)
t) is the amount of conveyed water per unit time (Q) and Tout = K
/ Q + Tin. Therefore, the sprinkling temperature setting value (Tse
t) is the minimum additional heat quantity (Kmi) in the additional heat exchanger 23.
Hot water outlet temperature (Tout) after heating the incoming water in n)
In the case described above, heating is performed using the additional heat exchanger 23, and the heated tapping temperature (Tout) is conveyed to the sprinkling temperature set value (Tset) and the sprinkling port 34. In addition, the setting value (Tset) of the sprinkling water temperature is
When the input water is heated at the minimum additional heating heat (Kmin) at a temperature lower than the heated tapping temperature (Tout), the input water is in a sufficiently warm state. It is conveyed to the sprinkler port 34 without heating. At this time, the temperature of the bathtub water conveyed to the sprinkler port 34 may be higher than the setting value (Tset) of the bathtub temperature, but this is set to the upper limit value (Tmax) of the bathtub water temperature. Then, the CPU of the control board 3 uses the data from the temperature sensor 12 shown in FIG.
x) When the above-mentioned temperature is detected for a certain period of time, by stopping the transfer of the bathtub water to the sprinkler port 34, the transfer of the high-temperature water to the sprinkler port 34 can be prevented.

Next, the operation will be described with reference to FIG. 2. First, in the case of the additional heating operation, the operation switch of the remote controller 2 is pressed to put the bath kettle main body 1 into the operation state, and the remote switch 2 is pressed. Then the simmer lamp lights green. At the same time as the lighting of this lamp,
The PU rotates the fan 5 to start prepurge, and operates the pump 10 to circulate bath water. At this time, the circulation flow path uses the bathtub water sucked from the suction port provided in the circulation fitting 24 as the temperature sensor 12, the bath water flow switch 11,
Circulation fitting 2 via pump 10 and reheating heat exchanger 23
The liquid is discharged from a discharge port 25 provided in the bath 4 to a bathtub 26 and circulated. When the bathtub water circulates through the circulation path, the CP of the control board 3
U receives a signal indicating that bath water is circulating from the bath water flow switch 11, opens the gas source solenoid valve 15, the gas proportional valve 16, and the gas bath solenoid valve 20, and discharges the igniter 21 with high pressure. The burner 9 is ignited. When the CPU of the control board 3 detects the flame with the bath frame rod 7, the light of the green light is changed from red to red to notify the user of the reburning, and the high-pressure discharge of the igniter 21 is stopped. When the CPU of the control board 3 detects the boiling of the bathtub water based on the signal from the temperature sensor 12, it turns off the simmering lamp and closes all the opened electromagnetic valves,
The operation of the pump 10 is stopped after a lapse of a predetermined time from the closing of the valve.

The operation of the bathroom floor watering function will be described. The remote controller 2 is provided with a floor warming switch for watering and heating the bathroom floor, and when the user sprays water on the bathroom floor 37, the floor warming switch is turned on. Is pressed to sprinkle water on the bathroom floor 37. Further, a timer function is provided so that the operation of the floor warming switch of the remote controller 2 can be started at a time preset by the user. A flow path switching valve 36 provided between the pump 10 and the discharge port 25 of the circulation fitting 24 mounted on the bathtub 26 connects the flow path of the hot water heated by the additional heat exchanger 23 of the bath kettle body 1. The pump 10 and the water passage of the discharge port 25 of the circulation fitting 24 are switched to the water passage of the pump 10 and the water spout 34.
They are connected by a 3 mm rubber hose. When the user depresses the floor warming switch of the remote controller 2 or at the time of starting watering on the bathroom floor 37 set by a timer in advance, the pump 10 shown in FIG. 1 is operated to supply bath water to the circulation fitting 24. A circulation operation is started in which the water is sucked from the suction port, enters the bath kettle body 1 and returns to the bathtub 26 from the discharge port 25 of the circulation fitting 24. The CPU of the control board 3 obtains the bathtub water temperature (Tin) from the data from the temperature sensor 12 and obtains the circulation amount Q per unit time from the data from the bath water flow switch 11. Since the minimum additional heating amount (Kmin) of the bath burner 9 is stored in the CPU in advance, the CPU sets the sprinkling temperature set value (Tset) set by the user and (Kmin /
Q + Tin), Tset ≧ Kmin / Q + T
If it is in, the opening degree of the gas proportional valve 16 is adjusted to make the reheating heat amount K equal to (Tset−Tin) × Q, and reheating is performed to make the bathtub water Tset = Tout. Next, pump 1
The circulating water channel is switched to the spouting port 34 by a flow path switching valve 36 provided between 0 and the flow path of the discharge port 25 provided in the circulating metal fitting 24, and the sprinkling on the bathroom floor 37 is started. Also, Tset
If <Kmin / Q + Tin, the flow path switching valve 36 is switched to the flow path to the sprinkler port 34 without performing additional heating, and sprinkling on the bathroom floor 37 is started. The CPU of the control board 3 obtains from the data from the bath water flow switch 11 that the amount of hot water has been set by the user in advance, stops the operation of the pump 10, and causes the flow path of the flow path switching valve 36 to Discharge port 2
Switch to 5 to stop watering. The amount of hot water to be sprayed on the bathroom floor 37 is controlled by means of a switch provided so that the user can set in advance by the remote controller 2, and when the circulation amount of the pump 10 is found to be constant beforehand, a constant amount of hot water is controlled. Although there are means for storing in the CPU of the substrate in advance, any of these means may be selected.

[0014]

According to the present invention, a bath kettle is provided in which a circulating hot water heated by a heat exchanger for reheating a bath tub of a wall penetrating installation type bath is used to sprinkle water on a bathroom floor. It is a simple construction that uses rubber hoses to connect the middle of the pipe for additional heating circulation between the tub and the tub and the spout provided at an appropriate position in the bathroom, so that the bathroom floor can be heated at low cost and the bathroom can be heated. There is no need to narrow the space inside.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of a bathroom floor watering apparatus according to the present invention.

FIG. 2 is an enlarged plan view of the remote controller in FIG.

[Explanation of symbols]

A Wall penetrating bath kettle 1 Bath kettle main body 2 Remote control 3 Control board 4 Hot water thermistor 5 Fan 6 Hot water supply frame rod 7 Bath frame rod 8 Hot water burner 9 Bath burner 10 Pump 11 Bath water flow switch 12 Temperature sensor 13 Water thermistor 14 Hot water supply Sensor 15 Gas source solenoid valve 16 Gas proportional valve 17 Gas hot water solenoid valve 18 Gas hot water switching valve 19 Gas hot water switching valve 20 Gas bath solenoid valve 21 Igniter 22 Heat exchanger for hot water supply 23 Heat exchanger for additional heating 24 Circulation fitting 25 Discharge Outlet 26 Bathtub 27 Callan 28 Hot water tap 29 Water tap 30 Switching tap 31 Shower head 32 Water tap main body 33 Apron 34 Sprinkling port 35 Nozzle 36 Flow path switching valve 37 Bathroom floor

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shigenori Yanashima 1250 Shimoedori, Shimodate-shi, Ibaraki Pref. 3L072 AA02 AB06 AC04 AD19 AE04

Claims (4)

[Claims] A wall provided with a heat exchanger for hot water supply and reheating and a pump for forcibly circulating hot and cold water in a bathtub, wherein a supply / exhaust port is located outdoors and a connection portion of piping is disposed on a wall surface side in the bathroom. The circulating hot and cold water in the bath tub heated by the additional heat exchanger in the middle of the outgoing pipe to the bath tub, out of the circulating pipes connecting the penetrating type bath kettle and the circulation port of the bath tub. A bath floor spraying apparatus comprising a flow path switching valve for switching a flow path to a spout to the bathroom floor, and connecting the flow path switching valve and the spout to the bathroom floor by piping. 2. The bath floor sprinkler according to claim 1, wherein the operation of the pump is stopped after a predetermined time has passed after the sprinkler is sprinkled on the bathroom floor. 3. The bath floor sprinkling device according to claim 1, wherein a spout for the bath floor is provided in an apron portion of a bath tub installed in the bathroom so that the bath can be sprinkled toward the bathroom floor. . 4. The bathroom floor sprinkler according to claim 1, wherein the passage switching valve and the spout are connected by a bendable pipe.