JPH01275979A - Automatic hot-water supply system - Google Patents

Abstract

PURPOSE:To facilitate operation on opening control and temperature control as well as to have hot water automatically delivered by delivering hot and cold water controlled to a desired temperature in a control box in opening a solenoid valve automatically with an optical detecting means installed in and around a faucet. CONSTITUTION:Cold and hot water is fed to a combined means 1 which automatically controls it to a temperature of desired hot water by operation of a control box 9. The hot and cold water mixed and controlled by this combined means 1 is supplied via a water solenoid valve 10, while this water solenoid valve 10 is opened by detecting operation of an optical detecting means 14 installed in and around a faucet 11. Then, this valve opened state is made keepable as long as a specified period of time by operation of the control box 9.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic hot water supply system that automatically adjusts the temperature of hot water supplied to a hot water supply equipment such as a kitchen or washroom in a home and automatically opens and closes a faucet. It is related to.

[Prior Art] In recent years, a hot water supply system has been developed and put into practical use, in which the hot water supply to the hot water supply equipment installed in the kitchen or bathroom of a general household, and the adjustment of the temperature of the hot water can be automatically performed by remote control using a remote control. It is served to.

Conventionally, in this type of hot water system, water from the tap etc. is supplied to a water heater and heated to raise its temperature, and the heated hot water is then directly supplied to hot water equipment in the kitchen, washroom, etc. The current situation is that

[Problem to be solved by the invention] Therefore, the high temperature hot water that is directly supplied to the hot water supply setting must be adjusted to the desired temperature each time using the valve of the faucet equipped with the hot water mixing valve. It took time to adjust the faucet, and it was troublesome, such as having to operate the valve on the faucet each time.

This invention was made based on the above circumstances, and its purpose is to provide an automatic hot water supply system that can automatically adjust the temperature of hot water and open and close the faucet. It is in.

[Means for Solving the Problems] In order to achieve the above-mentioned objects, the present invention provides water supplied from a water supply piping system and hot water heated by a water heater to a control box operated by a control box. The hot water mixing means automatically mixes and adjusts the hot water temperature to the desired temperature by the hot water mixing means, and the hot water mixed and adjusted automatically by the hot water mixing means is supplied to the water volume adjustment function of the hot water supply equipment such as the kitchen and washroom, and the above-mentioned. Hot water is supplied via a water electromagnetic valve to the faucet side that has a temperature control switching function that remotely controls the control box, and an optical detection means is provided near the faucet, and the detection operation of this optical means is used to supply hot water. The solenoid valve is configured to automatically open and maintain this open state for a certain period of time by operating the control box,
In this case, the faucet side is provided with piping so that water is directly supplied from the water supply piping system, and the water volume adjustment function is equipped with a switching function for switching the control box between automatic and manual mode, and a switch function for switching the water volume adjustment function between automatic and manual switching, and It is preferable to add an auxiliary valve function to enable water supply.

[Function] That is, according to the present invention, with the above configuration, hot water whose temperature is automatically adjusted to a desired temperature in advance is supplied to the hot water supply equipment such as the kitchen or washroom, so that the opening degree of the valve can be controlled. Hot water can be dispensed from the faucet without the need for troublesome operations such as adjusting the temperature.

In addition, auxiliary piping is installed on the faucet side so that water is directly supplied from the water pipe system via an auxiliary valve, and the water volume adjustment function is equipped with an automatic or manual switching function on the control box. Even in the event of a power outage or failure of the hot water mixing means, water can be supplied to hot water equipment such as the kitchen or washroom by opening the auxiliary valve.

[Example] Hereinafter, the present invention will be described in detail with reference to an illustrated example.

FIG. 1 schematically shows eight piping systems in a hot water supply system according to the present invention, and numeral 1 in the figure is a hot water mixing means consisting of an automatic mixing valve. This hot water mixing means 1 includes:
Water C-W from the water supply piping system (not shown) and the water heater (
The high temperature hot water H/W which has been heated by a heater (not shown) is supplied via a check valve 2.3, and
The mixed temperature of the water C-W and the high-temperature hot water 1-I.W thus supplied can be determined by the wax element 6 that adjusts the opening degree of each flow passage 4.5. ing.

That is, the hot water mixing means 1 compares the potential set by selecting the switches of the temperature control switching function, which will be described later, with the potential of the potentiometer 7, and turns the motor 8 so that the potentials are the same. The position of the wax element 6 is changed by the rotation of the motor 8, and the opening degrees of the flow passages 4.5 for the water C/W and the high temperature hot water H-W are determined, thereby controlling the water temperature. Adjustment is performed, and when the adjusted hot water temperature changes due to disturbance, feedback is provided by expanding and contracting the element.Such automatic control is performed by the control 1 - roll box 9. It is something that is meant to be controlled.

In addition, 91 and 92 in the figure are the control box 9.
The power switch and temperature fine adjustment knob are installed in the

The hot water thus automatically regulated by the hot water mixing means 1 is supplied to the faucet 11 placed in the hot water supply equipment such as the kitchen or washroom via the water solenoid valve 10. This faucet 11 is provided with a water flow control valve 12 for a water flow control function and a temperature control switching function 13 for remotely controlling the control box 9.

As shown in Fig. 2, the temperature control switching function 13 provided on this faucet 11 is divided into three levels of switches, for example, "water", "suitable temperature", or "high temperature". The desired temperature is adjusted by the temperature fine adjustment knob 92 of the control box 9, and when you want to change the temperature, you selectively press each switch,
The control box 9 can be controlled remotely.

Furthermore, an optical detection means 14 consisting of a single reflection type photoelectric sensor is installed near the faucet 11, and this optical detection means 14 operates when the optical path is interrupted by a hand or some obstacle approaching. The state is detected, a signal is sent to the control box 9, the water solenoid valve 10 is turned on and automatically opened, and hot water adjusted to a desired temperature is dispensed from the faucet 11. Moreover, if an operation is performed to block the optical path again within a short period of time, for example within 10 minutes, the water solenoid valve 10 will be turned OFF and automatically closed, stopping hot water from flowing from the faucet 11. ing. In this case, if the water solenoid valve 10 continues to be open without any operation to shut off the optical path, the water solenoid valve 10 will automatically be opened after 10 minutes by the count of a timer circuit (not shown) in the control box 9. This makes it possible to hold the valve closed for a certain period of time, thereby preventing wastage of hot water due to careless mistakes.

Furthermore, the water C-W flow path 4 of the hot water mixing means 1
A branch pipe 15 is branched, and this branch pipe 15 is
It is connected to the faucet 11 side so that water is directly supplied from the water supply piping system. In this case, in addition to adjusting the water volume, the water volume adjustment valve 12 can also be used to adjust the water volume from left to right as shown in FIG. The controller box 9 can be moved forward and backward to switch the function of the controller box 9 to "automatic" or "manual", and can be moved back and forth to simultaneously bias its function as an auxiliary valve 16 for opening and closing the passage of the branch pipe 15. As a result, even in the event of a power outage or a malfunction of the hot water mixing means 1, by opening the auxiliary valve 16, it is possible to supply water to the hot water supply equipment such as the kitchen or washroom. be.

[Effects of the Invention] As is clear from the above description, according to the present invention, the water supplied from the water supply piping system and the hot water heated by the water heater are heated to the desired water temperature by the operation of the control box. The hot water is supplied to a hot water mixing means that is automatically mixed and adjusted to a temperature of
Hot water is supplied via a water solenoid valve to the faucet side, which has a water flow control function for hot water supply equipment in the kitchen and washroom, and a temperature control switching function to remotely control the control box, and an optical sensor near the faucet. provide means,
The water electromagnetic valve is automatically opened by the detection operation of this optical means, and this open state can be maintained for a certain period of time by the operation of the control box, so that the desired temperature can be set in advance. Since hot water is automatically adjusted to the hot water supply equipment in the kitchen or washroom, hot water can be dispensed from the faucet without the need for troublesome operations such as adjusting the temperature by adjusting the opening of the valve. can be done automatically.

In addition, water is directly supplied from the water piping system via an auxiliary valve on the faucet side, and the water volume adjustment function has an automatic or manual switching function on the control box, so it can be used easily during power outages or hot water. Even in the event of a failure of the mixing means, water can be supplied to hot water supply equipment such as the kitchen or washroom by opening the auxiliary valve, which is an excellent effect.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram schematically showing an embodiment of an automatic hot water supply system according to the present invention, and FIG. 2 is an explanatory diagram of a faucet. FIG. 3 is an explanatory diagram showing the operating state of the water amount adjustment function. 1... Hot water mixing means, 9... Control box. 10... Solenoid valve for water, 11... Faucet, ]2... Water volume adjustment function, 13... Temperature adjustment switching function. 14...Optical detection means, C-W...Water, H.W...Hot water.

Claims (1)

[Claims] (1) Water supplied from the water supply piping system and hot water heated by a water heater are supplied to a hot water mixing means that automatically mixes and adjusts the temperature to a desired hot water temperature by operating a control box, The hot water, which has been automatically mixed and regulated by this hot water mixing means, is sent to the faucet side, which has a water flow control function for hot water supply equipment such as the kitchen and washroom, and a temperature control switching function to remotely control the control box, through a water solenoid valve. At the same time, an optical detection means is provided near this faucet, and the detection operation of this optical means automatically opens the water electromagnetic valve, and this valve open state is detected by the operation of the control box. An automatic hot water supply system that is characterized by being able to hold hot water for a certain period of time.