JPS62172147A - Hot-water supplier - Google Patents

Abstract

PURPOSE:To obtain a hot-water supplier capable of pouring hot-water correctly even when the hot-water is used at another place simultaneously by a method wherein the delivery of the hot-water is branched into two series or more and one series is provided with a water amount sensor as well as a water amount regulating mechanism equipped with closing function while an inlet side is provided with the water amount sensor. CONSTITUTION:When a hot-water supplying cock 17 is opened, water flows, a water amount sensor 1 is put ON, a main solenoid valve 10 as well as a gas proportional control valve 9 are out ON by a signal from a control unit 12, a fan 11 for combustion is put ON and gas is burnt from a main burner 6 by a thermistor 13 and the amount of gas is regulated by the gas proportional control valve 9 through a signal from the control unit 12 to keep the hot-water temperature at constant. In case automatic pouring of hot-water for a bathtub is effected and the temperature of 47 deg.C+ or -5 deg.C is required, for example, the hot-water of a given amount is poured from a bath hot-water supplying cock 16 under the required temperature and the amount of hot-water is integrated by the water amount sensor 1b, thereafter, a proportional control valve 5 equipped with closing function is closed and the pouring of the hot-water is stopped. When another hot-water supplying cock 17 is opened under this condition, the temperature of the hot water may be kept in constant by regulating the gas proportional control valve 9 and the water amount proportional control valve 5 in case the required temperature for the hot-water supplying cock 17 is 47 deg.C+ or -5 deg.C.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a water heater.

Conventional technology In recent years, water heaters have developed a function that automatically fills the bathtub with water and stops it when it reaches a predetermined level, and has even become full-fledged 1-I. is requested.

An example of a conventional water heater will be described below with reference to the drawings. Figure 2 shows a conventional water fountain.

1 is a water amount sensor that detects water amount, 2 is a heat exchanger, 3a,
3b is a hot water supply outlet divided into two systems, 4 is a water governor, and a hot water supply outlet pipe 3alC is installed. Reference numeral 5 denotes a water flow proportional control valve with a shutoff function, which is installed in the hot water supply outlet pipe 3b and has a structure capable of controlling the water flow and shutting off the water. 6 is a main burner, 7 is a flame rond, 8 is a spark plug, and 9 is a gas proportional control valve to adjust the gas flow. 10 is a former solenoid valve, 11 is a combustion fan, 12 is a control unit, and 13 is a thermistor, which detects the eJ temperature. 14 is a bath controller, 15 is a main controller, 16 is a hot water outlet ff3
17 is a hot water tap connected to the hot water outlet pipe 3a.

The operation of the water heater configured as described above will be described below. First, when the hot water tap 17 is turned on, water flows and the water flow sensor 1 is turned ON, and a signal from the control unit 12 turns the main solenoid valve 10 and the gas proportional control valve 9 ONL, the combustion fan 11 turns ONL, and the ignition switch is turned ON. Gas is combusted in the main burner 6 by the spark discharge of 8. Temperature and humidity are detected by a thermistor 13, and based on a signal from the control unit 12, the gas φ is adjusted by a gas proportional control valve 9 to keep it constant. Also,
The amount of water coming out of the water heater is regulated by a water governor 4.

In addition, when using a bath or shower, the bath controller 14 can be used to select ``pouring hot water,'' ``pour hot water,'' and ``shower'' at 47°C ± 5°C, around 80°C, and 42°C ±, respectively. 3
It is set by adjusting the gas proportional control valve 9 and the water/metal proportional control valve 5 with a closing function so that a temperature of 0.degree. "Pouring" is automatic pouring, and when a certain amount is accumulated by the water/metal sensor 1, the water/metal proportional control valve 5 with a closing function closes and stops pouring. With this grip structure, it is possible to command the water heater to fill the bathtub with hot water from outside the home over the phone.

Problems to be Solved by the Invention However, with the above configuration, if the hot water faucet 17 is opened while the water heater is automatically pouring hot water into the bathtub, the bath priority must be canceled in advance using the main controller 15. Ba,
When the water flow proportional control valve 5 with a shutoff function is turned off, hot water is not discharged to the bath side, and when the hot water supply faucet 17 is no longer used, the main controller 1
If you switch back to automatic hot water pouring in Step 5 and restart the hot water supply to the bath side, there will be no problem except that it will take more time, but if you can hear the hot water tap 17 while in the automatic hot water pouring state, the gas proportional control valve 9
If the valve is closed, the balance of the front water volume proportional ffi'J lfO valve 5 will be disrupted, causing inconveniences such as lukewarm water being poured or a small amount of water being poured.

The present invention aims to solve these problems and to provide a water heater that can accurately and automatically pour hot water even when hot water is used at other locations.

Means for Solving the Problems In order to solve the above problems, Honkomei's water heater has a hot water supply outlet branched into two or more systems, one of which is equipped with a water/metal sensor and a water flow rate adjustment mechanism with a shutoff function. It has a configuration in which a water/metal sensor is provided on the inlet side.

Function: This configuration, in combination with an electrical box with an appropriate control circuit, makes it possible to pour hot water into the bathtub at the required temperature even if hot water is used elsewhere at the same time.

EXAMPLE An example of this example will be described below based on the drawings. FIG. 1 shows a configuration diagram of a water heater in an embodiment of the present invention. 1a and 1b are water and metal sensors, 1a is installed in the water passage on the water supply side, and 1b is hot water supply outlet pipe 3a, 3 which is divided into two systems.
It is installed on one 3b side of b. 2 is a heat exchanger, 4
A water governor is installed on the hot water outlet pipe 3a and limits the flow rate.

Reference numeral 5 denotes a water flow proportional #, II all valve with a closed n-face, which is serially installed in the hot water supply outlet pipe 3b together with the water flow sensor 1b. 6 is the main burner, 7 is the flame rond, 8 is the spark plug, 9 is the gas proportional control valve, 10 is the original solenoid valve, 1
1 is the combustion fan, 12 is the control unit, 13 is the thermistor, 14 is the bath controller, 15 is the main controller, and 16 is the hot water outlet? ! ]) Bath hot water tap connected to
17 is a hot water tap connected to the hot water outlet pipe 3a.

The operation of the water heater configured as described above will be described below. When the hot water tap 17 is opened, water flows, the water/metal sensor 1a is turned on, and a signal from the control unit 12 causes the solenoid valve 10. Gas proportional control valve 9 is turned on, combustion fan 11 is turned on, and gas is combusted from main burner 6 by spark discharge from spark plug 8. The '6A temperature is detected by the thermistor 13, and the gas amount is adjusted by the gas proportional control valve 9 in response to a signal from the control unit 12 to keep the hot water constant.

Next, when automatically pouring hot water into the bathtub, for example, at 47°C±
When 5° C. is required, a constant amount of hot water is accumulated at that temperature from the bath hot water tap 1G at the water amount sensor 1b, and then the water proportional control valve 5 with a shutoff function closes to stop pouring. If the hot water tap 17 is opened in the middle at this time, if the required temperature at the hot water tap 17 is 47°C ± 5°C, the gas proportional control piece 9 and the water/metal proportional control valve 5 with a closing function are adjusted. 4U can be kept constant by

At this time, the amount of water coming out of the bath hot water tap 16 may drop or temporarily stop. Further, if the required hot water temperature at the hot water supply faucet 17 is other than 47°C±5°C, an opening/closing function is provided. When the use of the hot water tap 17 is finished, it is closed and the water/monet proportional control valve 5 with 1 function is opened.
returns to the original state and resumes pouring, and at a predetermined pouring time, the water volume proportional valve 5 with a closing function is closed, and the automatic pouring ends.

In this way, other faucets can be used at the same time during automatic flushing, so there is no need for the user to constantly pour hot water at 1ffi and pay attention to the water temperature.

Effects of the Invention As described above, the water heater of the present invention enables automatic pouring of hot water, including commands by telephone or timer from outside the home, and at the same time, it is possible to perform water pouring efficiently even if other hot water taps are used. α It is possible to pour the vJ well.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a water heater according to an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional water heater. 1a, ib...Water flow sensor, 3a, 3b...Heat supply outlet pipe, 5...Water suspension proportional control valve agent with closing function
Yoshihiro Moriki Figure 2

Claims (1)

[Claims] A water flow sensor installed in one of the water passages on the hot water outlet side and the water passage on the water supply inlet side, which are divided into one or two or more systems;
A water heater comprising, in one of the water passages on the hot water outlet side, the water flow sensor and a water flow control mechanism with a closing function installed serially.