JPS59212640A - Automatic boiler for bath - Google Patents

Abstract

PURPOSE:To make an automation possible from hot water delivery to boiling by providing a water flow rate sensor and a closure valve in a hot water delivery pipe, said valve being controlled by a sensor signal, and by actuating a circulation pump by a signal from a hot water delivery controller. CONSTITUTION:For hot water delivery and boiling, a system control circuit 16 is turned on, water is introduced into a heat exchanger for hot water delivery to heat up to a set temperature by a temperature sensor 15, and such is caused to flow into a hot water delivery pipe 3. When filled to a set volume, a water level sensor 6 senses it to close a closure valve 7 through a hot water delivery controller 5, and at the same time, a boiling controller 10 is actuated to operate a circulation pump 11 for circulating water in a bathtub 4. A water flow sensor 13 detects a flow to open a gas cock 12 through a controller 10 for burning. When boiling to the set temperature is completed, a temperature sensor 14 detects it to shut down the circulation pump 11 through the controller 10 as well as closing the gas cock 12.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic sieving pot equipped with a hot water supply heat exchanger and a sieving pot heat exchanger.

As shown in Fig. 1, the conventional automatic sifter pot has a hot water supply pipe 3 connected to a hot water heat exchanger 2 above a bathtub 4, and a water supply pipe 3 at the end of which is equipped with a water metering mechanism and a function to shut off the water at a set water volume. Stopper 1
8 is installed to stop the water at the set water volume of the bathtub 4, and a water level switch 23 is installed in the circulation pipe 9 between the bathtub 4'f94 and the bathtub heat exchanger 8, and the water level confirmation signal of the switch 23 is raised. The controller is powered manually and driven by the signal.
, Q-pop 11, a water flow sensor 13 that detects the flow of the chain pipe 9 and manually operates the boiling controller 10 to open the gas valve 12 for the bath 4 using its No. 13 to cause combustion, and detects the set temperature of the circulating water. Boiling: A temperature sensor 14 is provided in the circulation pipe to manually operate the bath 4 gas valve 12 and stop the circulation pump 11 according to the signal, so that the water boils automatically.

However, in the above configuration, the amount of water supplied to the bathtub 4 is mechanical and is limited to 10%, so the level of hot water in the bathtub 4 is not constant every time it is used, but always fluctuates, making it easy to use. The problem was that it was bad. Furthermore, since the automatic boiling pot body 1 serving as an automatic boiling mechanism and the internal mechanism of the mixing faucet 18 are separated, there is a drawback that construction costs are high.

Furthermore, if the bathtub 4 is placed on the second floor and the pot is placed on the first floor, the water head up to the second floor is constantly applied to the water level switch 1-23, and there is a restriction on the height between the pot and the bathtub. The drawback was that it was difficult to detect changes in the water head at the time of completion, and it was difficult to install the system on the second floor.

The present invention was made in view of the above-mentioned drawbacks, and includes an integrated automatic boiling mechanism that supplies an accurate amount of hot water that is easy to use, and can be used even if a bathtub is installed on the second floor. The purpose is to provide an automatic sifting pot at a low cost, and its gist is that at least a water flow sensor and a shutoff valve must be installed in the hot water pipe connected from the hot water heat exchanger to the hot water supply equipment in the bathtub. forming an automatic hot water supply control section including a hot water supply controller that controls the valve according to a signal from the sensor;
By manually inputting the signal from the hot water supply controller to the line raising controller and operating the circulation pump based on the signal, the water flow sensor and temperature sensor detect the water flow and temperature sensor, making it possible to automatically process the process from hot water supply to line raising.

Embodiments of the present invention will be described below with reference to FIGS. 2 to 5.

l has a hot water supply heat exchanger 2 and a furukettle heat exchanger 8 inside.
It is an automatic bath pot that is integrated with the following.

A single hot water supply pipe 3 is branched at the end of the hot water supply heat exchanger 2, and one end is connected to a bathroom, and the other end is connected to a kitchen, washroom, etc., such as a faucet. An automatic hot water supply control section 17 is provided with a water flow sensor 6 and a shutoff valve 7, and includes a hot water supply controller 5 that opens and closes the shutoff valve 7 according to a signal from the sensor 6.

FIG. 3 shows an example of the water quantity sensor 6. The water quantity sensor 6 attached to the hot water supply pipe 3 rotates the magnet 25 attached to the impeller 24 due to the flow of hot water, and changes in this magnetic force are detected by the Hall element 26.
This is read as a pulse-like change in resistance value. Since there is a linear relationship between the flow rate and the generated pulses as shown in FIG. 4, the amount of water entering the bathtub 4 can be calculated by integrating the number of pulses over the elapsed time. FIG. 5 shows an example of the shutoff valve 7, and the valve 29 can be opened and closed by the balance between the electromagnetic force generated by the coil 27 and the spring 28.

Further, a temperature sensor 15 is provided in the hot water supply pipe 3 near the outlet of the hot water supply heat exchanger 2, and the temperature sensor 15 and the hot water supply gas valve 2
0, there is a hot water supply control section that switches the set temperature of the sensor 15 to the ambient temperature, inputs the signal to the hot water supply 14i1'1 degree controller 19, and opens and closes the gas valve 20 according to the signal of the controller 19. 21 is formed.

Then, a heat exchanger 8 (two upper and lower circulation pipes 9,
9 is connected to the bathtub 4, and the lower circulation pipe 9 is connected to a water flow sensor 6 when the amount of hot water in the bathtub 4 reaches a set amount.
ζ Therefore, the signal from the hot water supply meter 5 closes the shutoff valve 7, and the signal from the controller 5 is manually sent to the line raising controller 10 to circulate the hot water in the bathtub 4 with the circulation pump 11. On the bathtub heat exchanger 8 side of the circulation pump 11, there is a controller that detects the water flow of the circulation pump 11 and sends the signal to the line-up controller l.
There is also a water flow sensor that manually opens the gas valve 12 for the bath 4 and fires it in response to a signal from the controller 10, and a water flow sensor that detects the set temperature and sends the signal to the upper circulation pipe 9. The bath 4 is inputted to the controller 10 and
An automatic line raising control section 22 is formed, which consists of a temperature sensor 14 that closes the gas valve 12 and stops the circulation pump 11.

In addition, hot water controller 5. The hot water temperature controller 19, the line raising controller 10, the bath 4 gas valve 12, and the hot water gas valve 20 may be electrically connected by the overall control circuit 16 so that they function automatically.

That is, to supply hot water to the bathtub 4 and raise the line 5, first, the overall control circuit 16 is operated indirectly by a remote control, etc., and the hot water gas valve 20 is opened via the hot water temperature controller 19 based on the signal, and the hot water is combusted. Water enters the hot water heat exchanger 2, rises to the temperature set by the temperature sensor 5, and flows into the hot water pipe 3.Then, the inflowing hot water enters the bathtub 4 and when it reaches the set amount, the automatic water supply control part 17 The water flow rate sensor 6 detects this and closes the shutoff valve 7 via the hot water supply controller 5, and a valve closing signal from the controller 5 is inputted to the boiling controller IO, which activates the circulation pump 11 and closes the shutoff valve 7 through the hot water supply controller 5. The hot water circulates.

Then, the water flow sensor 13 detects the flow and sends the signal to the boiling controller 10, and the gas valve 12 for the bath 4 is opened by No. 1d of the controller 10 to cause combustion. Further, the temperature sensor 14 detects the temperature at the outlet of the heat exchanger 8 for the bathtub, and when the temperature exceeds the set temperature, a signal from the sensor 14 is sent to the boiling controller 10, which stops the circulation pump 11. Close the gas valve 12 for bath 4.

When the temperature inside the bath 1514 drops, the overall control circuit 16 raises the temperature by operating a remote control or the like. I
Manually send a signal to the H reactor lO to turn down the circulation pump and burn it. In addition, when the amount of a in the bathtub 4 decreases, the hot water temperature controller 1 is controlled by the overall control circuit 16 by operating a remote control or the like.
A signal is input manually to 9 to replenish hot water at the set temperature depending on the initial condition.

Therefore, in the present invention, an automatic hot water supply control section consisting of a water flow sensor, a shutoff valve, and a hot water supply controller is provided inside the automatic sifter pot instead of a mixing faucet equipped with a water flow measurement mechanism and a function of shutting off the water at a set water flow rate. It is integrated and can be provided at low cost, and the bathtub is always supplied with hot water within ±2.596 of the set water amount, making it easy to use. Also, since a water flow sensor was used instead of a water level switch, it became possible to install the bathtub on the second floor without being subject to restrictions in the height direction between the boiler and the bathtub.

[Brief explanation of the drawing]

Fig. 1 is a system diagram showing a conventional embodiment, Fig. 2 is a system diagram showing an embodiment of the present invention, Fig. 3 is a sectional view of a water flow sensor, and Fig. 4 shows pulses generated by the water flow sensor and flow rate. Relationship diagram, Figure 5 (This is a sectional view of the solenoid valve. Explanation of symbols 1... Automatic bath pot body 2... Heat exchanger for hot water supply 3
...Hot water pipe 4...Bathtub 5...Hot water supply controller 6...Water flow sensor 7...Shutoff valve
8... Heat exchanger for furukettle 9... Circulation pipe
10...Boiling controller 11...Circulation pump
12... Gas valve for bath 4 13... Water flow sensor
14... Temperature sensor 15... Temperature sensor
16... Overall control circuit 17... Automatic hot water supply control part 1
8...Mixing faucet 19...Hot water temperature controller 20...
・Hot water supply gas valve 21...Hot water supply control part 22...
・Automatic line raising control part 23...Water level switch 24
... Impeller 25 ... Magnet 26 ...
Hall element 27...Coil 28...Spring 29...Valve

Claims (1)

[Claims] l An automatic water supply system d■ part in which at least a water flow sensor and a shutoff valve are installed in the hot water pipe connected from the hot water heat exchanger to the hot water supply equipment in the bathtub, and a hot water supply controller is installed to control the valve based on the signal from the sensor. A circulation pump that manually flows water by sending a signal from a hot water controller to a circulation pipe connected to a boiling boiler and a heat exchanger for a boiling pot, and a boiling controller that detects water flow and uses that signal to control boiling. The water flow sensor manually controls the bath gas valve at 2g, detects the water temperature, and then manually controls the circulation ho/so and the gas valve by manually controlling the boiling water temperature.
The automatic part raising control part is equipped with a temperature sensor that detects i The temperature t? An automatic sieve consisting of a hot water supply control section and a hot water supply control section.