JP2002167816A - Hot-water supply system in kitchen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent hot water from coming out abruptly from a faucet for hot water to devise the faucet for hot water in a way that it can be used safely. SOLUTION: This invention relates to a hot water supply system that is made in a way that an ordinary temperature hot water and a high-temperature hot water can be obtained independently from individual special faucets 2, 8. A lock switch 11 to lock a delivery switch 10 of hot water is provided to a faucet 8 for hot water. A high-temperature setting switch 12c to set the hot-water supply device 3 to a hot-water supply mode is provided to a remote- controller device 12 of a hot water supply device 3. As soon as the high- temperature setting switch 12c is turned on when the lock switch 11 is turned off, a controller 13 which releases a locked condition of the delivery switch 10 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water supply system for a kitchen, and more particularly, to a kitchen faucet provided with a faucet dedicated to hot water, and separates hot water from hot water having a normal temperature of about 37.degree. The present invention relates to a kitchen hot water supply system formed so that hot water can be supplied to a kitchen.

[0002]

2. Description of the Related Art Conventionally, as a system of this kind, there is a system in which a water heater and a water faucet are connected by a hot water pipe, and hot water is supplied from the water heater to the water faucet via the hot water pipe. is there. In this case, conventionally, it has been customary that hot water of about 60 ° C. is supplied from a water heater to about 60 ° C. even at a high human skin temperature even at a high temperature.

[0003]

In the case of cooking instant foods, for example, boiling water of 90 ° C. or higher is usually required. However, a conventional method of obtaining this kind of boiling water is to use a kettle filled with water. It was common to use a stove or an electric pot.

However, stoves and the like have a lower thermal efficiency than a water heater, and have a small amount of heat per unit time. Therefore, conventionally, even when a small amount of hot water required for cooking of instant foods and the like is obtained, when there is no hot water in the pot, it is necessary to boil the hot water with a stove or the like each time. It was easy to increase, and it took time to get hot water.

Therefore, the applicant of the present invention has provided a hot water faucet separately from the above-mentioned faucet in the above-mentioned sink, and provided a hot water supply system in which the hot water faucet and the above-mentioned hot water supply device are provided separately from the above-mentioned hot water supply pipe. Proposed a kitchen hot water supply system connected by pipes (Japanese Patent Application No. 20
00-351589).

However, in this system, the hot water from the hot water faucet is hot, and if the discharge switch is turned on immediately to discharge the water, children and those who are not accustomed to handling this type of faucet will pass. There is a danger of scalding due to boiling water. It is therefore desirable that such systems be constructed so that they can be safely used without risk of burns.

[0007] In addition, since the mounting position of the remote control device of the water heater is usually determined by the state of the wall around the kitchen sink or the like, conventionally, for example, the body must be turned away from the sink or at the time of operation. May be attached to the place. Therefore, this type of system is formed so that hot water can be easily discharged without moving back and forth between the kitchen and changing the direction of the body when operating the remote control device of the faucet or water heater. desirable.

A water heater that constitutes this type of system is:
Hot water must be supplied to both faucet and normal temperature faucets. Therefore, a hot water heater having a large hot water supply capacity is required, so that there is a problem that the price of the hot water heater becomes high, and the price of the whole system becomes high. It is therefore desirable that such a system be designed to be offered as cheaply as possible.

The present invention has been proposed in view of the above points.

Accordingly, a technical problem of the present invention is to provide a kitchen hot water supply system in which hot water and hot water of a normal temperature are separately obtained from dedicated water taps, and hot water is suddenly discharged from the hot water tap. It is an object of the present invention to provide a kitchen hot water supply system formed so as to prevent the hot water faucet from being used safely.

Another object of the present invention is to provide a kitchen hot water supply system formed so as to eliminate the inconvenience associated with the operation of a water heater and the operation of a hot water faucet.

A further technical object of the present invention is to provide a hot water supply system for a kitchen formed so that a small and inexpensive water heater can be used and the cost can be reduced.

[0013]

The present invention employs the following technical means in order to solve the above-mentioned problems.

That is, the present invention, as shown in FIG.
The water faucet 2 of the sink 1 and the water heater 3 are connected by a hot water supply pipe 4, and hot water is supplied from the water heater 3 to the water faucet 2 via the hot water supply pipe 4. Is a kitchen hot water supply system in which a hot water faucet 8 is provided separately, and the hot water faucet 8 and the above-mentioned hot water supply unit 3 are connected by a hot water supply pipe 9 which is provided separately from the above-mentioned hot water supply pipe 4. A lock switch 11 for locking the hot water discharge switch 10 is provided on the hot water faucet 8, and a high temperature setting switch 12 c for setting the water heater 3 in the hot water supply mode is provided on the remote controller 12 of the water heater 3. This high temperature setting switch 12 is provided.
A controller 13 for releasing the locked state of the discharge switch 10 when the lock switch 11 is turned off while c is turned on (claim 1).

Here, the hot water specifically means hot water at about 90 ° C. or higher. Setting the water heater 3 to the hot water supply mode means that the water heater 3 is operated so that hot water can be supplied. The present invention is preferably formed such that the hot water is purified by the filters 6 and 15 and the purified hot water can be supplied to the sink 1, but is not limited thereto.

FIGS. 4 and 5 show another configuration of the present invention.
There are the following. That is, in the present invention, the faucet 2 of the sink 1 and the hot water supply 3 are connected by the hot water supply pipe 4,
Hot water is supplied from the water heater 3 to the water faucet 2 via the water heater, and the hot water faucet 8 is provided on the sink 1 separately from the water faucet 2. Is a kitchen hot water supply system connected by a hot water supply pipe 9 which is provided separately from the hot water supply pipe 4, and a lock switch 11 for locking a hot water discharge switch 10 to the hot water faucet 8 is provided. A high temperature setting switch 1 provided on a remote control device 12 of the water heater 3 for setting the water heater 3 to a hot water supply mode.
2c, a controller 20 for releasing the locked state of the discharge switch 10 and turning on the high temperature setting switch 12c when the lock switch 11 is turned off. (Claim 2).

Here, setting the water heater 3 to the hot water supply mode means that the operation of the water heater 3 is started so that hot water can be supplied as in the above example.

Further, the present invention may be configured as shown in FIG. That is, in the present invention, the faucet 2 of the sink 1 and the water heater 3 are connected by the hot water supply pipe 4, and hot water is supplied from the hot water supply 3 to the faucet 2 via the hot water supply pipe 4. A hot water faucet 8 is provided separately from the water faucet 2, and the hot water faucet 8 and the water heater 3 are connected by a hot water supply pipe 9 which is provided separately from the hot water pipe 4. A hot water supply system for a kitchen, characterized in that it is provided with a controller 21 for stopping the discharge operation of one of the faucet 2 and the hot water faucet 8 when the other is used. 3).

In the case of the present invention, when the faucet 2 is used, it is preferable that the controller 21 keeps the locked state of the discharge switch 10 of the hot water faucet 8 (claim 4).

According to this, since the discharge switch 10 of the hot water faucet 8 is locked and the discharge switch 10 cannot be turned on, the remaining hot water can be prevented from being discharged from the hot water faucet 8, and safety can be further improved. Because.

[0021]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, FIG. 2, etc., 1 is a sink,
2 is a faucet provided in the sink 1. This faucet 2
In this embodiment, a water-mixing faucet is used to control the temperature. The faucet 2 and the hot water supply 3 are connected by a hot water supply pipe 4, and hot water at a normal temperature of about 37 ° C. to 60 ° C. is supplied from the hot water supply 3 to the faucet 2 via the hot water supply pipe 4. It is formed as follows.

Reference numeral 5 denotes a water supply pipe for supplying clean water to the faucet 2 and the water heater 3. Reference numeral 6 denotes a filter for filtering chlorine components and the like in the tap water. In this embodiment, hot water at a normal temperature is supplied from the water heater 3 to other faucets 7 arranged at locations other than the sink 1.

Reference numeral 8 denotes an electronic hot water faucet provided separately from the faucet 2 on the sink 1. The hot water faucet 8 and the hot water supply unit 3 are connected by a hot water supply pipe 9 which is provided separately from the hot water supply pipe 4. The hot water faucet 8 is entirely covered with a heat insulating cover to prevent burns.

Reference numeral 10 denotes a hot water discharge switch, and reference numeral 11 denotes a lock switch for locking the discharge switch 10. These switches 10 and 11 are provided on the upper surface of the hot water faucet 8 in this embodiment. The discharge switch 10 is configured such that the valve is opened and hot water is discharged while the finger is kept pressed, and is restored when the finger is released to close the valve and stop water. Further, the lock switch 11 is configured so that the lock and the release operation can be switched.

Reference numeral 12 denotes a remote controller for controlling the water heater 3. The remote control device 12 is mounted on a wall near the sink 1 and includes an operation switch 12a, a temperature setting switch 12b, a high temperature setting switch 12c for setting the water heater 3 to a hot water supply mode, and the like.

A controller 13 releases the locked state of the discharge switch 10 when the high temperature setting switch 12c is turned on and the lock switch 11 is turned off. The controller 13 is constituted by, for example, a microcomputer, and is built in the water heater 3 in this embodiment. Reference numeral 15 denotes a filter provided in the hot water supply pipe 9, and reference numeral 16 denotes a thermostat as a temperature sensor.
Reference numeral 17 denotes a control circuit for controlling a signal between the controller 13 and the solenoid valve 14 or the like. Hot water faucet 8
Are electrically connected to the controller 13 via the control circuit unit 17.

Next, the operation of the present invention according to this embodiment will be described.
This will be described with reference to FIG.

First, when the user turns on the operation switch 12a of the remote controller 12, the water heater 3 is started and the hot water pipe 4 is turned on.
The hot water at the normal temperature can be discharged from the faucet 2 through the water tap. Next, when the user turns on the high temperature setting switch 12c, the water heater 3 starts operating so as to be able to supply hot water, and enters a hot water supply mode.

In this state, the user operates the lock switch 11
Is turned off, the locked state of the discharge switch 10 is released by a signal from the controller 13. Solenoid valve 1
4 is opened and hot water can be supplied. Therefore, when the user turns on the discharge switch 10, the hot water is discharged from the hot water faucet 8 via the hot water supply pipe 9, and the hot water is discharged after a predetermined time.

Next, a preferred embodiment of the present invention will be described with reference to FIGS. The same parts and members as those in the above example are denoted by the same reference numerals, and detailed description will be omitted.

The present invention includes a controller 20 that releases the locked state of the discharge switch 10 and turns on the high temperature setting switch 12c when the lock switch 11 is turned off. In this embodiment, the controller 20 is formed of a microcomputer as in the above example, and is built in the water heater 3.

In the case of the present invention, when the user turns off the lock switch 11, the locked state of the discharge switch 10 is released by the operation of the controller 20, and the high temperature setting switch 12c is turned on. Therefore, the water heater 3 starts operating so as to be able to supply hot water, and enters the hot water supply mode.

A signal is sent from the controller 20 to the solenoid valve 14 to open the solenoid valve 14. Thereby, hot water can be supplied from the water heater 3 to the hot water faucet 8 via the hot water supply pipe 9. Therefore, when the user turns on the discharge switch 10 in this state, the hot water is discharged from the hot water faucet 8.

Next, a preferred embodiment of the present invention will be described with reference to FIG. In addition, the same place as the above example,
The same members have the same reference characters allotted, and detailed description will not be repeated.

The present invention comprises a controller 21 for stopping the discharge operation of one of the faucet 2 and the hot water faucet 8 when the other is used. This controller 21
Is composed of, for example, a microcomputer. The sensor A provided on the hot water supply pipe 4 and the sensor B provided on the hot water supply pipe 9 are:
When a water flow is detected, it outputs a detection signal to the controller 21, and is electrically connected to the controller 21. In the present invention, the hot water supply pipe 4 is provided with the solenoid valve A, and the hot water supply pipe 9 is provided with the solenoid valve B. The solenoid valves A and B are electrically connected to the controller 21. The controller 21 is electrically connected to the hot water faucet 8 and the remote controller 12.

Next, the operation of the system of the present invention will be described.

First, when the user turns on the operation switch 12a of the remote controller 12, a signal is sent from the controller 21 to the solenoid valves A and B, and the solenoid valves A and B are opened. When the user opens the faucet 2 and discharges hot water in this state, the sensor A detects the water flow and outputs a detection signal to the controller 21.

Upon receiving this signal, the controller 21 sends a signal to the solenoid valve B, and as a result, the solenoid valve B is closed. Further, a signal is sent from the controller 21 to the hot water faucet 8, and the discharge switch 10 is kept in the locked state. Therefore, even if the user turns on the discharge switch 10 of the hot water faucet 8, the hot water is not discharged and the locked state cannot be released.

The user replaces the faucet 2 with a hot water faucet 8.
Is opened and hot water is discharged, the sensor B detects the water flow, and this signal is sent to the controller 21. Controller 21
Receives this signal, sends a signal to the solenoid valve A, and closes the solenoid valve A. As a result, even if the user opens the faucet 2, hot water is not discharged, and the faucet 2 cannot be used.

[0041]

As described above, according to the first aspect of the present invention, in a kitchen hot water supply system in which normal temperature hot water and hot water are separately obtained from dedicated water taps, a high temperature setting is provided. When the switch is turned on and the lock switch is turned off, the locked state of the discharge switch is released.

Accordingly, in the case of the present invention, it is necessary to operate two switches, a lock switch and a high temperature setting switch, in order to release the locked state of the discharge switch.
According to this, the safety of the hot water faucet can be improved, and the risk of excessive burns when discharging the hot water can be prevented.

According to the second aspect of the present invention, the lock switch is turned off in a kitchen hot water supply system in which hot water and hot water at normal temperatures are separately obtained from dedicated water taps. At this time, the discharge switch is unlocked and the high-temperature setting switch is turned on, so that the hot water can be discharged.

Therefore, in the present invention, for example, there is no need to move back and forth between the hot water faucet and the remote control device of the water heater or to change the body direction to turn on the switch. There is an advantage that the ejection operation can be simplified and the usability is improved.

According to a third aspect of the present invention, there is provided a kitchen hot water supply system in which hot water and normal hot water at a normal temperature are separately obtained from dedicated water faucets, respectively. When one of them is used, a controller for stopping the other ejection operation is provided.

Therefore, in this case, it is possible to use a water heater having a small hot water supply capacity, in other words, a small and inexpensive water heater, whereby the cost of this type of system can be reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a preferred embodiment of a hot water supply system of the present invention.

FIG. 2 is a main part configuration diagram of the hot water supply system.

FIG. 3 is a flowchart for explaining the operation of the hot water supply system.

FIG. 4 is a configuration diagram showing another configuration of the hot water supply system.

FIG. 5 is a flowchart for explaining the operation of the system of the present invention according to FIG. 4;

FIG. 6 is a main part configuration diagram showing still another configuration of the system of the present invention.

FIG. 7 is a flowchart for explaining the operation of the system of the present invention according to FIG. 6;

[Explanation of symbols]

 Reference Signs List 1 sink 2 faucet 3 water heater 4 hot water supply pipe 8 hot water faucet 9 hot water supply pipe 10 discharge switch 11 lock switch 12 remote control device 12c high temperature setting switch 13 controller 14 solenoid valve

Continuing on the front page (72) Inventor Yasuko Taniguchi 93, Edo-cho, Chuo-ku, Kobe-shi, Hyogo Pref. ) Inventor Masahiko Horiuchi 93 Edo-cho, Chuo-ku, Kobe-shi, Hyogo Pref.

Claims (4)

[Claims] 1. A water faucet and a water heater are connected by a hot water supply pipe. Hot water is supplied from the water heater to the water faucet via the hot water supply pipe, and the hot water is supplied to the sink separately from the hot water faucet. A water faucet is provided, and the hot water faucet and the water heater are connected to each other by a hot water supply pipe which is separately provided from the hot water supply pipe. A lock switch for locking the discharge switch is provided, and a high-temperature setting switch for setting the water heater to the hot water supply mode is provided in the remote control device of the water heater. A hot water supply system for a kitchen, comprising: a controller that releases a lock state of the discharge switch when the switch is turned off. 2. A water faucet and a water heater are connected by a hot water supply pipe. Hot water is supplied from the water heater to the water faucet via the hot water supply pipe, and the hot water is supplied to the sink separately from the hot water faucet. A water faucet is provided, and the hot water faucet and the water heater are connected to each other by a hot water supply pipe which is separately provided from the hot water supply pipe. A lock switch for locking the discharge switch of the water heater, a high-temperature setting switch for setting the water heater to the hot water supply mode is provided on the remote controller of the water heater, and when the lock switch is turned off, A hot water supply system for a kitchen, comprising a controller that releases a locked state of the switch and turns on the high temperature setting switch. 3. A water faucet for a sink and a water heater are connected by a hot water supply pipe. Hot water is supplied from the water heater to the water faucet via the hot water supply pipe, and the hot water is supplied to the sink separately from the hot water faucet. A water faucet is provided, wherein the hot water faucet and the hot water supply are connected to each other by a hot water supply pipe which is separately provided from the hot water supply pipe, and the hot water faucet and the hot water A hot water supply system for a kitchen, comprising: a controller that stops a discharge operation of one of the stoppers when one of the stoppers is used. 4. The kitchen hot water supply system according to claim 3, wherein the lock state of the discharge switch of the hot water faucet is maintained by the controller when the faucet is used.