JPH0664698A - Hot water supplying apparatus - Google Patents

Abstract

PURPOSE:To provide a hot water supplying apparatus which does not degrade taste of hot water used for tea or the tea itself, by a method wherein the small of bleaching powder which is typical for the service water when service water is used as untreated water, and a smell typical for a plastic tank which is transferred to the water during the storage in the tank are removed. CONSTITUTION:In a hot water supplying apparatus in which untreated water 11 supplied from a water storing tank 10 is heated by a heating tank 20 to have a proper temperature to feed the heated water as it is or in the form of tea, a pure water tank 30 is provided between the water storing tank 10 and the heating tank 20 to remove, for example, the small of the tank 10 attached to the water during its storage in the tank 10. Also, hot water going out of the heating tank 20 is further led to a sterilizing tank 40 to undergo a sterilization, so that the hot water can be used as it is. In addition, the hot water can also be used in the form of tea after removing minerals by a mineral absorbing means 50.

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 device used for general household use and business use.

[0002]

2. Description of the Related Art Generally, a hot water supply apparatus of this type includes a tank for storing tap water of raw water, and the water sent from the water tank is heated by a heater to an appropriate temperature. In addition, a pump is provided for sending hot water from the heating tank toward the spout, and the hot water is spouted from the spout for use.

[0003]

In the case of such a conventional hot water supply apparatus, the water tank is generally made of plastic for the purpose of weight reduction. Therefore, when water is stored in the tank for a long time, The peculiar odor is transferred to the water and the taste as raw water is reduced.

In addition, in the heating tank, the interval until the next use is long, and if the cooled hot water is left as it is with the heater turned off, it may cause germs to propagate.

Therefore, according to the present invention, when tap water is used as raw water, by removing the peculiar odor of chlorine and the peculiar smell of the plastic tank transferred to the stored water, the taste of white hot water or tea used It is an object of the present invention to provide a hot water supply device that does not reduce the temperature.

[0006]

In order to achieve this object, in the hot water supply apparatus according to the present invention, in claim 1, raw water supplied from a water storage tank is heated to an appropriate temperature in a heating tank to obtain a white hot water state or tea. In the hot water supply device that is poured out and provided, a water purification tank is provided between the water storage tank and the heating tank.

According to a second aspect of the present invention, in the hot water supply apparatus according to the first aspect, a sterilization tank is provided in the pipeline on the outlet side of the oil heating tank, and the outlet side of the sterilization tank is opened / closed by means of a switching valve. A mineral adsorber is provided on the upstream inlet side of the tea water discharge on-off valve, which is connected to the valve and the other tea water discharge on-off valve.

[0008]

According to the first aspect of the present invention, by passing the raw water supplied from the water storage tank through the water purification tank, the smell of the tank adhering to the stored water can be removed from the raw water.

In the case of claim 2, the hot water discharged from the heating tank can be further passed through a sterilization tank to be sterilized, and this hot water can be used as it is as white hot water. It can be used as tea after removing the above, and can be arbitrarily selected.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a hot water supply device according to the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a water tank 10 for storing tap water as raw water 11 is arranged at a relatively high place.
A heating tank 20 is connected to the water storage tank 10 that is a resin molded product through a pipe t1, and the raw water 11 sent from the water storage tank 10 to the heating tank 20 is heated by the heater 25. The heating tank 20 has a heat insulating material 22 around the outer surface of the main body tank 21.
Is coated and keeps the temperature of the hot water 23 heated to a suitable temperature by the heater 25 so as not to drop.

A water purification tank 30 filled with activated carbon 31 and the like is provided between the water storage tank 10 and the heating tank 20. In this water purification tank 30, the raw water 11 supplied from the water storage tank 10 is passed through the activated carbon 31 before being sent to the heating tank 20, so that the so-called chlorine smell of the raw water 11 and the odor of the resin adhering to the water stored in the water storage tank 10 can be eliminated. It can be removed.

Further, between the water storage tank 10 and the water purification tank 30, for example, a solenoid valve type on-off valve 1 which is opened / closed by input of an operation signal is arranged in a pipe t1, and the pipe t1 is opened or closed. The raw water 11 can be supplied to the heating tank 20 via the water purification tank 30 or can be stopped as needed.

A sterilizing tank 40 is connected to the outlet side of the heating tank 20 by a pipe t2. A second on-off valve 2 of a solenoid valve type is provided in the pipe t2 similarly to the first on-off valve 1 described above, and a pump 3 is provided on the downstream side thereof. Therefore, it is possible to send the hot water 23 from the heating tank 20 to the sterilization tank 40 by operating the pump 3 with the second opening / closing valve 2 opened. As the sterilization tank 40, for example, a UV, MF or voltage pulse sterilization system is used to sterilize the hot water discharged from the heating tank 20.

A pipe t3 on the outlet side of the sterilization tank 40 has one branch pipe t through a three-way switching valve (hereinafter referred to as a three-way valve) 5.
4 and the other branch pipe t5. On one branch pipe t4, for example, a manual on-off valve 6 is provided, and this on-off valve 6 is a "white hot water discharge" for pouring the hot water flowing out of the heating tank 20 into the sterilization tank 40 as it is. Used as a valve. On the other branch pipe t5, the mineral adsorber 5
0 is provided, and in order to use hot water that has passed through the sterilization tank 40 as tea water, it is passed through the mineral adsorber 50 to remove mineral components. A tea leaf case 60 is connected to the end of the branch tube t5 following the mineral adsorber 50, and tea leaves 61 are supplied to the tea case 61 each time tea is supplied. Is passed through a tea leaf 61 and is passed through a filter 62 for use. Tea leaf case 6
Before entering 0, an electromagnetic on-off valve 7 is provided between the mineral adsorber 50. The open / close valve 7 is used as a “tea water discharge valve” for pouring the white hot water from the mineral adsorber 50 into the tea leaf case 60 when desired.

As described above, the open / close valve 6 as the white hot water valve
On the other hand, the opening / closing valve 7 as the tea supply valve can arbitrarily select the opening / closing. That is, the switch SW1 is provided for opening / closing the opening / closing valve 6, and the switch SW2 is provided for opening / closing the opening / closing valve 7. Signals for turning ON from both switches SW1 and SW2 are sent to a control device 70 by, for example, a microcomputer, where control based on the switch ON signal is performed and an operation signal is sent to either of the on-off valves 6 and 7. It is like this. A signal detected by the water level sensor 12 in the water storage tank 10 and a signal detected by the water level sensor 24 in the heating tank 20 are also input to the control device 70, and control based on each detection signal is performed to open and close. Valves 1, 2, pump 3 and three-way valve 5
It is a system that sends operation signals to. 4
Is the power supply.

Next, the usage mode and operation of the hot water supply apparatus of the embodiment having the above-mentioned structure will be described.

In the water tank 10, when the water level sensor 12 does not reach a predetermined amount of water, the water level sensor 12 detects it and sends a signal v1 to the control device 70, and the control device 70 sends a signal to warn of the shortage of water amount. A warning is given by means (not shown) such as lighting of a lamp or notification of an alarm.

When the water level in the heating tank 20 is below the set amount,
The water level sensor 24 detects this and outputs the signal v2 to the control device 7.
Send to 0. The control device 70 controls based on the detection signal, and sends the operation signal V1 to the on-off valve 1. The on-off valve 1 receives the operation signal and operates in the opening direction to open the pipe t1. As a result, the raw water 11 from the water tank 10 is heated to the heating tank 20.
Will be supplied to. On the way, the raw water 11 is passed through a water purification tank 30 to be purified.

A control signal V2 is sent from the control device 70 at a timing almost in synchronism with the operation of supplying the raw water, and the heater 25 is energized by applying a voltage to a power supply circuit (not shown). By energizing the heater 25, the raw water 11 supplied into the heating tank 20 is heated until it reaches an appropriate temperature. In the embodiment, the temperature sensor is set inside the heating tank 20, and the raw water 11
It is also possible to control the temperature.

On the other hand, when the open / close valve 6 as the white hot water valve is opened and it is desired to pour the hot water as it is, the switch SW1 is turned on. The ON signal v3 of the switch SW1 is input to the control device 70, and the control device 70 sends an operation signal V3 in the opening direction to the on-off valve 2 on the downstream side of the heating tank 20 and also sends an operation signal V4 to the pump 3, Hot water 23 having an appropriate temperature is sent from the heating tank 20 toward the sterilization tank 40. At this time, the control device 70 sends a switching signal to the three-way valve 5 and an opening operation signal to the on-off valve 6, switches the pipe t3 to the branch pipe t4 to communicate with each other, and the on-off valve 6 opens to turn on the "white hot water". Pour it out until it is ready for use.

When the on-off valve 7 serving as a tea supply valve is opened to desire tea, the switch SW2 is turned on. The ON signal v4 of the switch SW2 is input to the control device 70, and an operation signal V3 in the opening direction is sent from the control device 70 to the on-off valve 2 on the downstream side of the heating tank 20, and an operation signal V4 is sent to the pump 3 as well. Hot water 23 having an appropriate temperature is sent from the heating tank 20 toward the sterilization tank 40. At this time, a switching signal is sent from the control device 70 to the three-way valve 5, the pipe t3 is switched to the branch pipe t5 for communication, and the hot water discharged from the sterilization tank 40 is passed through the mineral adsorber 50. The hot water in which the mineral components have been adsorbed enters the tea leaf case 60, is passed through the tea leaf 61, and is poured out for use.

[0023]

As described above, in the hot water supply apparatus according to the present invention, the raw water supplied from the water storage tank is passed through the purified water tank to eliminate the smell of the water tank attached to the water storage tank. It can be removed and the hot water from the heating tank can be used as it is or as delicious tea.

Further, according to claim 2, the hot water discharged from the heating tank may be further passed through a sterilization tank to be sterilized, and this hot water may be used as white hot water as it is, or when it is used as tea. Since hot water can be passed through a mineral adsorber to remove mineral components, delicious tea can be supplied.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of a hot water supply device according to the present invention

[Explanation of symbols]

1, 2, 6, 7, ... Open / close valve, 3 ... Pump, 5 ... Three-way valve, 1
0 ... Water tank, 11 ... Raw water, 12, 24 ... Water level sensor, 2
0 ... Heating tank, 25 ... Heater, 12 ... Cathode, 30 ... Water purification tank, 40 ... Sterilization tank, 50 ... Mineral adsorber, 60 ... Tea leaf case, 70 ... Control device, SW1, ...

Claims (2)

[Claims] 1. A hot water supply apparatus for heating raw water supplied from a water storage tank to an appropriate temperature in a heating tank and pouring it out as white hot water or as tea to provide a water purification tank between the water storage tank and the heating tank. Hot water supply device. 2. A sterilization tank is provided in the conduit on the outlet side of the heating tank,
The outlet side of the sterilization tank is connected to one of the white hot water outlet opening / closing valves via a switching valve and to the other tea water outlet opening / closing valve, and a mineral adsorber is provided on the upstream inlet side of the tea water outlet opening / closing valve. The water heater according to claim 1.