KR100753204B1 - Circulation type sanitary hot and cold water dispenser - Google Patents

Abstract

According to the present invention, the water is not stagnated even when the amount of drinking water is given by the circulation means, as well as the sterilization and the purified water are repeatedly made in the circulation path to obtain a completely safe hygiene and electronic valve installed in the water supply pipe. It relates to a circulatory sanitary safety cold water heater to improve the reliability of the cold water heater by preventing burnout

The present invention for realizing this, the cooling cycle and the cold water tank for cooling or heating the water in the reservoir tank and the reservoir tank supplied from the water supply pipe through the water purification means or from the bucket containing purified water to the outside In the cold water device comprising a cold water device, a hot water device is installed in the hot water tank heater, the micro-communicator for controlling each of the components, the circulation pipe for the water is circulated down from the reservoir tank to return to the reservoir tank, It is characterized in that the circulation means is provided in the circulation pipe and comprises a pump controlled by a microcomputer, it is preferable that at least one ultraviolet sterilization lamp is installed in the circulation pipe.

Description

Circulation type sanitary safety cold water heater {CIRCULATION TYPE SANITARY HOT AND COLD WATER DISPENSER}             

1 is a schematic view showing some omissions of one embodiment (water pipe direct connection) according to the present invention.

Figure 2 is a partially omitted configuration showing schematically an embodiment (bucket type) according to the present invention

3 is a schematic configuration diagram of a prior art

* Explanation of symbols for the main parts of the drawings

1, 1A, 1B: hygienic safety cold and hot water machine 10A of the present invention: water direct connection pipe

10B: bucket 11: water purifying means 13: electronic valve

15: electronic protective means 20: reservoir 21: water level sensor

30: cold water device 31: cooling cycle 32: cold water tank

40: hot water device 41: heater 42: hot water tank

60: circulation means 61: circulation pipe 62: pump

63: ultraviolet sterilization lamp 64: cold water pipe 64a: electronic valve

65: hot water pipe 65a: electronic valve 67: water tank

100: cold water heater of the prior art

The present invention relates to a cold and hot water heater that is perfect hygiene management, in particular, the circulation is given to the cold and hot water, not only water is stagnated even when the amount of drinking water is low, but also hygienic perfectly by repeated sterilization and purification in the circulation path The present invention relates to a circulatory sanitary safety cold and hot water machine to improve the reliability of the cold and hot water machine to obtain safe water quality and to prevent damage to the electronic valve installed in the water pipe.

In general, a cold and hot water machine is divided into a cold and cold water heater using a water pipe directly connected to the water pipe to be used to supply purified water, such as hot and cold water and bottled water in a bucket.

Water pipe direct cold and hot water is commonly known as a water purifier, and a multi-stage filtration filter is installed in the cold and hot water device to filter water to remove foreign substances contained in the water to sanitarily supply water.

In addition, the bucket-type cold water heater is a device that provides hygienically purified in a separate facility and supplied to the water supplied in the bucket of a predetermined standard by adjusting the temperature of the water according to the needs of the user.

As shown in FIG. 3, the cold water device 130 for supplying water to the cold water and the hot water device 140 for supplying hot water are various accessory devices. Consists of

The cold water device 130 is a device for cooling water by circulating a refrigerant by a conventional cooling cycle to cool the water in the cold water tank 132 and the cold water tank so that the water supplied from the reservoir 120 is contained and cooled. In addition to the compressor for compressing the refrigerant, it comprises a condenser, evaporator (131a) for absorbing external heat by expanding and evaporating the liquid refrigerant of low temperature and low pressure.

The hot water device 140 is configured to include a hot water tank 142 in which the water supplied from the reservoir 120 is contained and a heater 141 for heating the water of the hot water tank.

Such cold and hot water is hygienically managed by the ultraviolet sterilization lamp 181 installed in the filtering water purifying means 111 and the water supply pipe 160.

However, since the sterilization lamp 181 installed in the water purifier has a limitation in size, drinking water that has passed the water purification means 111 and the sterilization lamp 181 once is not 100 percent sterilized and some bacteria remain. In this case, the storage tank 120 in which the water is introduced and stored has a suitable temperature and conditions for breeding bacteria, and in particular, when the withdrawal amount is small and the stagnant state is prolonged, the reservoir 120 is a secondary breeding ground for bacteria. do.

Reservoir 120 When water is stagnant and bacteria are breeding, cold and hot water are rather avoided due to toxins, suspended matters, and odors caused by the decay of water. This is because most public facilities and vacation periods are closed. This is a particularly serious problem for cold and hot water installed in school facilities.

On the other hand, the sterilization lamp 183 is disclosed in front of the cold water supply knob 133 and the hot water supply knob 143 for sterilization of drinking water, but the drinking water already decayed enough to generate a floating water sterilization lamp There is a problem that once passed through the suspended solids and odor and toxicity can not be removed at all effective.

On the other hand, in the case of water pipe direct connection, the electronic valve installed in the water pipe connection is opened and operated by the water level sensor of the reservoir, and the electronic valve continues to be operated repeatedly even when water cannot be supplied to the tap water. There was a problem that occurred and caused a failure.

The present invention has been made to solve the above problems,

An object of the present invention is to provide a cold and hot water circulation means to prevent stagnation of water even when the amount of drinking water is low, as well as to ensure hygienically perfect water quality by repeatedly disinfecting and purifying water in a circulation path. To provide food hygiene and safety cold and hot water.

Another object of the present invention is to provide a circulatory sanitary safety cold and hot water heater to improve the reliability of the cold and hot water heater by preventing the burnt out of the electronic valve installed in the water pipe.

Cyclic hygienic safety cold and hot water according to the present invention for achieving the above object,

In order to cool or heat the water in the water tank and the water tank supplied from the water supply pipe through the water purification means or from the bucket containing the purified water to the outside to provide the cooling cycle and the cold water tank including the cold water tank and the hot water tank. It is configured to include a hot water device, a heater is installed, the microcomputer for controlling the respective components,

Water is circulated from the water tank down and returned to the water tank, and a circulation means is provided, including a pump installed in the circulation pipe and controlled by a microcomputer,

In the circulation pipe sanitary safety cold and hot water is installed at least one UV sterilization lamp,
An electronic valve controlled by a microcomputer is installed at the outlet of the circulation pipe, and a water collecting tank having a water level sensor is installed in the circulation pipe path.

delete

As an embodiment of the present invention, the circulation pipe may be connected to the cold water tank, and a cold resin pipe installed with an electronic valve controlled by a microcomputer may be connected.

In one embodiment according to the present invention, the circulation pipe may be connected to the hot water tank, the hot water basin is installed with an electronic valve controlled by a microcomputer.

In one embodiment according to the present invention, the water connection pipe connected to the water purifying means may be provided with an electromagnetic valve and an electronic valve protection means for controlling the on / off of the electronic valve in accordance with the water pressure.

Hereinafter, with reference to the accompanying drawings an embodiment of the circulatory hygiene safe cold water heater of the present invention will be described in more detail.

1 is a schematic view showing an embodiment of a water pipe direct chiller 1A according to the present invention, and FIG. 2 is a schematic configuration diagram of an embodiment of a bucket chiller 1B according to the present invention.

1 and 2, the circulatory sanitary safety cold water heater (1) (1A) (1B) according to the present invention is supplied with water or purified from the water supply pipe (10A) through the water purification unit (11). Cold water device 30 including a cooling cycle (31) and a cold water tank (32) for cooling or heating the water of the reservoir 20 and the water of the reservoir 20 supplied from the bucket (10B) containing the contained water to the outside ), In the hot and cold water heater comprising a hot water device 40, the heater 41 is installed in the hot water tank 42, and the microcomputer for controlling the respective components, the water is circulated in the water tank 20 down again Is provided with a circulation means 60 including a circulation pipe 61 for returning to the reservoir 20, and a pump 62 installed in the circulation pipe 61 and controlled by a microcomputer (not shown). will be.

Here, the pump 62 of the circulation means may also function as a pump for water purification means 11.

It is preferable that the ultraviolet sterilization lamp 63 is installed at one or more places in the circulation tube 61. The UV sterilization lamp 63 is a UV lamp is accommodated in a transparent container, the outer side of the transparent container is formed with a sterilization chamber having a narrow passage for guiding the water through the circulation pipe.

In addition, the outlet of the circulation tube 61 is preferably provided with an electronic valve (61a) controlled by the microcomputer, the collection pipe 67 is provided with a water level sensor (67a) in the circulation pipe path. The pump 62 of the circulation means is controlled to operate only when the water level of the sump 67 is above a certain level.

In such a configuration, water is dropped from the reservoir 20, and the circulation and sterilization that flows back into the circulation tube 61 and flows back into the reservoir 20 is continuously performed.

In addition, when the collection tank 67 is excluded, the circulation cycle is determined by controlling the driving of the pump 62.

On the other hand, if the water in the cold water tank 32 is stagnant because the cold water is not drawn out for a long time, bacteria may be generated and propagated in the cold water tank. In order to prevent this, in one embodiment according to the present invention, the cold water pipe 32 is connected to the cold water tank 32 to the circulation pipe 61, and the electronic valve 64a controlled by the microcomputer is installed.

The electronic valve 64a of the cold resin tube 64 is controlled to be opened and closed for a predetermined time periodically or in an absolute time zone having a low use frequency.

The opening and closing of the cold water pipe 64 may be opened for 10 minutes every 4 hours, or may be opened for about 20 minutes or less in absolute time, such as around 3 am, with a low frequency of use.

In addition, the electronic valve 64a of the cold water pipe 64 may be opened and closed for a predetermined time during night detection by an illuminance sensor (not shown).

In this configuration, since the water in the cold water tank 32 is circulated and sterilized through the circulation pipe 61 at a predetermined cycle or when the frequency of use is low, it prevents stagnation even when cold water is not drawn out for a long time.

In addition, the water stored in the hot water tank 42 is blocked by the generation of bacteria by the heat of the heater 41 during the operation of the hot water device. However, hot water is often not used in hot areas, such as in the hot summer months or in the Middle East, so that the hot water device is not turned off, and the hot water tank is a breeding ground for bacteria.

In order to prevent this, in one embodiment according to the present invention, the hot water pipe 65 is connected to the circulation pipe 61 and the electronic valve 65a installed by the microcomputer is connected to the hot water tank 42.

The electronic valve 65a of the hot water pipe 65 is controlled to be opened and closed periodically for a predetermined time when the hot water device 40 in which the hot water switch is turned off is not operated.

By such a configuration, even when the hot water device 40 is not used, congestion and bacteria generation of the hot water tank 42 are prevented.

On the other hand, in the case of the water pipe direct type hot and cold water heater (1A), the water connection pipe (10A) connected to the water purification means 11 for the solenoid 13, and for controlling the on / off of the solenoid 13 in accordance with the water pressure It is preferable that the electron valve protecting means 15 is provided.

The electromagnetic valve protection means 15 is made of a hydraulic pressure sensor (15a) of the water supply connection pipe (10A), the electromagnetic valve 13 is controlled so that the power is cut off when the low pressure detection signal of the hydraulic pressure sensor (15a). It is composed.

Such a configuration is such that when the water level of the water reservoir 20 is lowered below a predetermined value, the water level sensor 21 signals the microcomputer to the microcomputer 13 so that the water valve 20 is provided in the water connection tube 10A. It is converted to supply water. And if the water pressure in the water connection pipe (10A) is dropped due to the number of tap water, manual valve lock, etc., the water pressure sensor 15a sends a low pressure detection signal to the microcomputer and accordingly the microcomputer power supply of the electronic valve (13) To stop the operation, or the pressure sensor 15a directly connected to the electronic valve 13 may be used in the form of a switch irrespective of the microcomputer.

Then, when the water pressure in the water direct connection pipe 10A returns to normal, the power is applied to the electromagnetic valve 13 again to operate normally.

Therefore, the work flow of the electronic valve 13, which may be repeatedly generated in a situation where tap water is not supplied, is blocked, thereby preventing overheating burnout and automatically turning on / off the power depending on the water supply and the water supply status of the tap water. Eases maintenance and extends life

The electromagnetic side protecting means 15 may be provided with a separate switch 15b to the electromagnetic side 13. The switch (15b) is to protect the safe by manually shutting off the power of the electronic valve 13 in the situation that the tap water is not supplied.

Reference numeral 33 is a cold water supply knob, 43 is a hot water supply knob.

Looking at the operating state of the circulation type sanitary safety cold water heater (1) according to the present invention having such a configuration.

The present invention is to prevent the stagnation of water in the cold water tank (32) and the hot water tank (42) as well as the reservoir 20 by being provided with the circulation means 60 in the cold and hot water to completely prevent the occurrence of bacteria.

That is, since water is continuously circulated from the water tank 20 through the circulation pipe 61, even when the amount of drinking water drawn out through the cold water device 30 and the hot water device 40 is small, the water in the water tank 20 is prevented from stagnation. In addition, by passing through the filter of the ultraviolet sterilization lamp 63 and the water purification means 11 installed in the circulation path is repeated sterilization and purification is performed, the water flowed from the straight pipe through the sterilization lamp repeatedly through the remaining part The germs were completely sterilized to obtain clean water that can be safely sanitary.

The electronic valve 61a of the circulation pipe 61 is shielded when the water level and the water pressure in the water storage tank 20 are lowered due to the increase in the amount of withdrawal of drinking water, and the like is detected below the minimum reference water level through the water level sensor 21. It is controlled to open after returning to a certain standard quantity.

Then, when the water is sterilized while passing through the circulating tube 61 from the water tank 20 and passing through the UV sterilization lamp 63, the water level sensor 67a receives a signal. The pump 62 is operated by the received microcomputer to be returned to the reservoir 20, and the pump operation is controlled to stop when the water is lowered below a predetermined level.

This circulation system is repeated for 24 hours, and the circulation cycle can be arbitrarily adjusted by adjusting the electronic valve 61a of the circulation tube.

In addition, in the cold water tank 32 or the hot water tank 42, respectively, the return branch pipes 64 and 65 are installed to prevent stagnant circulation, so that sanitary drinking water management is perfectly performed.

As described above, the circulation type sanitary safety cold / hot water machine 1 is composed of a continuous circulation and repeated sterilization system in which water flowing into the reservoir 20 is continuously circulated and sterilization and purification are repeated to prevent stagnation of drinking water. And to prevent the generation and growth of hygiene to obtain safe drinking water, while preventing the burning of the electronic valve 13 installed in the water direct connection pipe (10A) to improve the reliability of the cold and hot water.

In the above, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, but should be interpreted as meanings and concepts corresponding to the technical spirit of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

 As described in detail above, the circulatory sanitary safety cold and hot water machine according to the present invention is sanitarily sanitized by the repetition of sterilization and water purification in the circulation path as well as not stagnation of water even when the amount of drinking water is low due to the circulation means. There is an excellent effect to achieve a perfectly safe water quality.

In addition, there is an advantage to improve the reliability of the cold and hot water heater by preventing the burning of the electronic valve installed in the water direct connection pipe.

Claims (11)

delete delete Water is supplied to the outside by cooling or heating the water in the reservoir 20 and the reservoir 20 supplied from the water supply pipe 10A through the water purification means 11 or from the bucket 10B containing purified water. To this end, the cold water device 30 including the cooling cycle 31 and the cold water tank 32, the hot water device 40 in which the heater 41 is installed in the hot water tank 42, and a microcomputer for controlling the respective components. Is configured to include, Circulation comprising a circulation pipe 61 for returning the water back to the reservoir 20, and the pump 62 is installed in the circulation pipe 61 and controlled by the microcomputer from the water tank 20 to return to the water tank 20 again. Means 60 is given, In the circulation tube 61 in the circulation type sanitary safety cold water heater at least one UV sterilization lamp 63 is installed, At the outlet of the circulation pipe 61, an electronic valve 61a controlled by a microcomputer is installed, and a circulation tank sanitary safety cold / hot water heater, characterized in that a collection tank 67 having a water level sensor 67a is installed in the circulation pipe path. . The method of claim 3, wherein The circulation pipe 61 is connected to the cold water tank 32, the circulation type sanitary safety cold and hot water heater, characterized in that the cold water pipe 64 is installed, the electronic valve 64a is controlled by a microcomputer. The method of claim 4, wherein The electronic valve 64a of the cold water pipe 64 is cyclically hygienic safety cold and hot water heater, characterized in that controlled to be opened or closed for a predetermined time period in the absolute time zone or less frequently used. The method of claim 4, wherein The electronic valve 64a of the cold water pipe 64 is controlled to be opened and closed for a predetermined time when sensing at night by an illuminance sensor. In the third, The circulation pipe 61 is connected to the hot water tank 42, the circulation type sanitary safety cold and hot water heater, characterized in that the hot water pipe tube 65 is installed, which is controlled by a microcomputer is installed. The method of claim 7, wherein The electronic valve (65a) of the hot water pipe (65) is circulatory hygiene safety cold and hot water heater, characterized in that the hot water switch 40 is controlled to open and close periodically for a predetermined time when the hot water switch is off. The method of claim 3, wherein The water direct connection pipe 10A connected to the water purifying means 11 is provided with an electromagnetic valve 13 and an electromagnetic valve protecting means 15 for controlling on / off of the electromagnetic valve 13 according to water pressure. Circulation hygienic safety cold and hot water machine. The method of claim 9, The electromagnetic valve protection means 15 is made of a water pressure sensor (15a) of the water direct connection pipe (10A), The electronic valve (13) is a hygienic safety cold and hot water heater, characterized in that the power is cut off when the low pressure detection signal generated by the water pressure sensor (15a). The method of claim 9, The electronic valve protection means 15 is a hygienic safety cold hot water heater, characterized in that a separate switch (15b) is provided to the electromagnetic valve (13).

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