KR0161072B1 - A sterilizing apparatus for water tank of hot/cold water purifier - Google Patents

Abstract

Cold water purifier bucket sterilization apparatus according to the present invention, the raw water is provided with a purified water storage tank 30 to store the filtered and sterilized purified water with a predetermined capacity while passing through a plurality of filtering means 90 and ultraviolet sterilization lamp 150. In one cold and hot water purifier, an ultraviolet reflecting film on the inner circumferential surface of the purified water storage container 30 to radially reflect the ultraviolet rays emitted from the ultraviolet sterilization lamp 150 to suppress the microorganisms that grow in the purified water stored in the purified water storage container 30 for a long time. Since it is characterized in that the coating (200), even if the purified water storage tank (300 long-term storage of purified water can effectively prevent the microbial propagation to prevent secondary bacteria contamination in advance, and also the purified water storage container 30 in a plastic material Can be injection molded to solve the processability and distribution difficulties.

Description

Bucket sterilizer of cold and hot water purifier

1 is a perspective view showing a conventional cold and hot water purifier.

2 is a cross-sectional view showing a side of a conventional cold and hot water purifier.

3 is a cross-sectional view showing the front of a conventional cold and hot water purifier.

Figure 4 is a flow chart showing the arrangement of the conventional filtering means and the pressure pump.

5 is a cross-sectional view showing a conventional water storage tank.

6 is a cross-sectional view showing a state in which the water tank sterilization means of the present invention is installed in a water storage tank.

* Explanation of symbols for the main parts of the drawings

30: water reservoir 33: lid

90: filtration means 150: ultraviolet sterilization lamp

200: ultraviolet reflecting film

The present invention relates to a reverse osmosis-type cold / hot water purifier to remove various harmful substances contained in raw water such as tap water, and more particularly, to effectively suppress the microbial propagation generated when the purified water of a purified water storage tank is stored for a long time. It relates to a bucket sterilizer of a cold and hot water purifier to prevent.

In general, the cold and hot water purifier removes the foreign substances contained in the raw water to be purified after passing the raw water supplied from the tap water into a separate filtering means.

Such cold and hot water purifiers can be roughly classified into natural filtration, direct filtration, ion exchange resin, and reverse osmosis, depending on the method of water purification. Among them, reverse osmosis type cold and hot water purifiers apply artificial pressure by applying a predetermined pressure to raw water. Water purification is performed by passing through the membrane, which is a conventional osmosis membrane, and removes heavy metals, bacteria, and carcinogens, and allows only pure water and dissolved oxygen to pass through, which is used for the cutting-edge science industry or for the cleaning of high precision electronic components or medical use. Recently, due to serious environmental pollution, it is widely used in cold and hot water purifiers for home and business.

In the cold and hot water purifier, as shown in FIGS. 1 to 3, the main body 10 includes a front panel 11, a rear panel 12, two side panels 13, an upper panel 14, and a lower panel. It consists of (15) and assembled together.

At this time, the outer middle height of the front panel 110 is provided with a water receiving means 16 for collecting the residual water falling from the intake valve to be described later and draining the collected residual water manually or automatically.

Further, the first and second partition members 20 and 21 are installed in the horizontal direction so as to form spaces E and F having a predetermined area on the upper and lower sides, respectively, with respect to the predetermined height in the main body 10. The third partition member 22 is provided in the longitudinal direction so as to form a space G of a predetermined area on the rear side with respect to the space between the first partition member 20 and the second partition member 21. The front side surface of the third partition member 22 to form a space (H) of a predetermined area in the upper and lower front side between the first partition member 20 and the second partition member 21, respectively. The fourth partition member 23 is provided at a predetermined height in the horizontal direction.

At this time, in the space (E) is provided with a water storage tank 30 that can store a constant amount of purified water on the upper surface via the first partition member 20, the product is operated on the front panel (11) The control box 40 is installed to selectively operate.

In the space (F), the compressor 50 compresses the refrigerant on one side thereof at a high temperature and high pressure with respect to the upper surface of the lower panel 15, and receives the refrigerant compressed from the compressor 50 on the other side. A condenser 60 that functions, and cooling means 70 for cooling the compression and condensation heat generated by the compressor 50 and the condenser 60 in the middle thereof are provided.

The space G is provided with a plurality of filtration means 90 so as to be interchangeably supported by the first and second filter fixing brackets 80 and 81 at a predetermined height of the rear surface of the third partition member 22. The pressure pump 100 is installed on one side of the upper surface of the second partition member 21.

That is, the plurality of filtration means 90 is fixed to the first filter so as to remove suspended substances such as green flakes contained in the raw water when the raw water supplied from the tap water (not shown) is passed as shown in FIG. A first filter fixing bracket 80 to remove foreign substances such as chlorine components contained in the raw water when the raw water supplied from the precipitation filter 91 and the precipitation filter 91 installed through the bracket 80 pass; The first filter fixing bracket to remove various heavy metals and carcinogens contained in the raw water when the raw water supplied through the pretreatment filter 92 and the pretreatment filter 82 and the pressurized pump 100 are pressurized. Odors contained in the raw water when the raw water simultaneously supplied from the first and second membrane filters 93 and 94 and the first and second membrane filters 93 and 94 installed through the 80 passes. And fixing the first filter fixing bracket 80 to remove toxic gas components. The second filter fixing bracket 81 so as to sterilize harmful bacteria contained in the raw water when the raw water supplied from the after-treatment filter 95 and the raw water supplied from the post-treatment filter 95 is passed through and supplied to the purified water storage container 30. It consists of a sterilizing filter 96 installed through.

At this time, the precipitation filter 91, the pretreatment filter 92, the first and second membrane filters 93 and 94, the post-treatment filter 95, the sterilization filter 96 and the rock pump 100 are raw water They are interconnected by connecting hoses 97 which guide the flow.

In addition, a concentrated water pipe 98 is connected to one lower side of the first and second membrane filters 93 and 94 so that the generated concentrated water is discharged to the outside.

On the other hand, the fourth partition member in the space (H) to receive and store the purified water stored in the purified water storage tank 30 in a predetermined capacity through the first and second water purification pipes (31, 32), respectively ( 23 is provided with a hot water tank 110 and a cold water tank 120.

In this case, as shown in FIG. 5, the first water purification pipe 31 is connected to one side of the bottom surface of the water storage tank 30 and the bottom thereof is connected to the bottom surface of the hot water tank 110. The second water purification pipe 32 has an upper end connected to the other side of the bottom surface of the purified water storage container 30, and the lower end thereof is connected to an upper surface of the cold water container 120.

In addition, the hot water tank 110 has a heater member 111 for heating the purified water stored therein while being heated by receiving power, the cold water tank 120 receives the liquid refrigerant on the outer peripheral side of the cold water tank 120 Cooling coil 121 for cold heat exchange of the purified water in the spiral is wound in a spiral, the hot water and cold water in the hot water and cold water tank 110, 120 to discharge the hot water and cold water tank 110, 120, respectively Water intake pipes 112 and 122 installed at the same time and the hot water and cold water intake valves 130 and 131 protruding to the outside through the front panel 11 are installed.

Meanwhile, in the space 1, a main printed circuit board (PCB) 140 is installed on an upper surface of the second partition member 21 to control the operation of the product.

In the conventional cold / hot water purifier configured as described above, the pressurized pump 100 is operated by operating a function and a selection button (not shown) arranged in the control box 40 at the front upper side of the main body 10. It is purified by flowing through the plurality of filtration means 90 by the pressure of the raw water (water) and the pressure of the operation of the pressure pump (100) supplied by the water pressure of the).

That is, when raw water supplied from the tap water (not shown) passes through the settling filter 91, suspended substances such as green debris contained in the raw water are removed, and after passing through the settling filter 91, the pretreatment filter ( When passing through 92), foreign substances such as chlorine contained in raw water are removed, and after passing through the pretreatment filter 82 and simultaneously passing through the first and second membrane filters 93 and 94, Various heavy metals and carcinogens are removed.

After passing through the first and second membrane filters 93 and 94 and passing through the post-treatment filter 95, odors and toxic gas components contained in the raw water are removed, and the post-treatment filter 95 passes through the post-treatment filter 95. After passing through the sterilization filter 96 to sterilize harmful bacteria contained in the raw water is supplied to the purified water storage tank (30).

At this time, the purified water stored in the purified water storage tank 30 is supplied to the hot water and cold water tanks 110 and 120 through the first and second water purification pipes 31 and 32 connected to the bottom surface, respectively. That is, the purified water flowing along the first water purification pipe 31 continues to be supplied through the bottom side of the hot water tank 110 to a predetermined capacity, which becomes the full water level, and the purified water flowing along the second water purification pipe 32 is connected to the cold water tank 120. The water supply is continuously supplied up to a predetermined capacity through the upper side, and when the hot water and cold water tanks 110 and 120 become full water levels and purified water is no longer supplied, the purified water is stored in the purified water storage tank 30. At the same time when the storage of a predetermined capacity in accordance with the detection signal of the water level sensor (not shown) mounted on one side of the water storage tank 30, the operation of the pressure pump 100 is stopped.

On the other hand, when the heater member 111 installed in the hot water tank 110 is operated for hot water supply, the heater member 111 heats the purified water stored in the hot water tank 110 while being heated to a set temperature according to the applied current supply. Heat exchange.

Then, when the injector 50 is operated to supply the cold water, a high-temperature, high-pressure gas refrigerant gas is supplied to the condenser 60 by the compression action of the compressor 50, and flows along the inside of the condenser 60. The refrigerant gas is condensed by the blowing wind caused by the operation of the cooling means 70.

At this time, the gas refrigerant gas condensed while passing through the condenser 60 is phase-reduced into a high-pressure liquid refrigerant gas at a temperature slightly higher than room temperature, which is the ambient temperature of the cold / hot water purifier, and decompressed by passing through a capillary tube (not shown). The refrigerant gas flows into the cooling coil 121 wound around the outer circumferential surface of the cold water container 120 and expands to cool and heat exchange the purified water stored in the cold water container 120 according to the refrigeration cycle in which the refrigerant is evaporated to low temperature and low pressure. .

On the other hand, when the user wants to receive the hot water and cold water stored in the hot water and cold water tanks 110 and 120 in a container such as a cup (not shown), first, the container such as a cup of hot water and cold water intake valves 130 and 131. The hot water and cold water tank 110 is opened while being in close contact with the intake lever (not shown) installed at the same time and being pushed to the rear side while the passage of the intake valves 130 and 131 is opened by the force of the intake lever rotating to the rear side. Hot water and cold water stored in the 120 is guided by the water discharge pipes 112 and 122, respectively, and the water intake valves 130 and 131 are respectively discharged into a container such as a cup so that the water can be withdrawn.

However, in the conventional cold / hot water purifier configured as described above, since the water storage tank 30 is injection molded into plastic, the organic matter is decomposed even if the water is treated for a long time without using a predetermined amount of purified water. As the microorganisms multiply, the amount of dissolved oxygen in the water decreases, while a lack of oxygen (eg, BOD; biological oxygen demand) necessary for respiration of aquatic organisms occurs, so that microbial propagation cannot be effectively suppressed. The problem is that the drinking water can not be reached.

Such. As a solution according to the secondary bacterial contamination of the purified water, as shown in FIG. 5, the ultraviolet sterilizing lamp 150 is installed in the lid 33 of the purified water storage container 30, and the ultraviolet sterilizing lamp 150 is Although the purified water is introduced into the purified water storage container 30, and the material of the purified water storage container 30 is made of glass or stainless steel to effectively inhibit the growth of microorganisms to prevent secondary bacterial contamination, but this has been devised. In this case, since the material of the purified water storage container 30 is made of glass or stainless, a problem arises in that there are many difficulties in processability and distribution.

Therefore, the present invention has been made to solve the above problems, an object of the present invention, by injection molding the water storage tank with plastic so as to reflect the ultraviolet rays emitted from ultraviolet sterilization, etc. and coating magnesium oxide on the inner peripheral surface Even if the purified water is left in the water storage tank for a long time, it effectively provides microbial propagation to prevent secondary bacterial contamination and eliminates processability and distribution difficulties.

Cold water purifier bucket sterilization apparatus of the present invention made to achieve the above object, provided with a purified water reservoir to store the filtered and sterilized purified water at a constant capacity while passing the plurality of filtering means and ultraviolet sterilization, etc. In the cold and hot water purifier, the ultraviolet reflection film is coated on the inner circumferential surface of the purified water storage tank so as to radially reflect the ultraviolet rays emitted from the ultraviolet sterilization lamp to suppress the microorganisms breeding in the purified water stored in the purified water storage tank for a long time.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, the same components as those in the related art are denoted by the same name and the same reference numerals, and detailed description thereof will be omitted.

In the drawings, reference numeral 200 denotes ultraviolet rays coated on the inner circumferential surface of the purified water storage container 30 so as to radially reflect the ultraviolet rays emitted from the ultraviolet sterilization lamp 150 to suppress the microorganisms breeding in the purified water stored in the purified water storage container 30 for a long time. The reflective film is shown.

That is, as shown in FIG. 6, the water storage container 30 is injection molded into a plastic material, and an opening 30a is formed at the upper center thereof, and the ultraviolet sterilization lamp 150 is formed in the opening 30a. The lid 33 supported to be vertically received into the water storage container 30 is coupled by a screw method.

In addition, the inner circumferential surface of the purified water storage tank 30 is coated with an ultraviolet reflecting film 200 made of a material of magnesium oxide so that the ultraviolet light emitted from the ultraviolet sterilizing lamp 150 is easily reflected.

Next, the operation and effect of the present invention thus constructed will be described.

When the raw water (tap water) supplied from the tap water (not shown) is filtered and purified through the filtering means 90 and then supplied to the ultraviolet sterilization lamp 150 as shown in the arrow direction shown in FIG. The microorganisms contained in the purified water are sterilized by the ultraviolet light emitted from the ultraviolet sterilization lamp 150 and stored in the purified water storage container 30, and the hot water and cold water containers 110 and 120 are passed through the purified water storage container 30. It is supplied by dividing into) and is heated and cooled to a certain temperature and can be taken out to the outside.

At this time, the ultraviolet rays emitted from the ultraviolet sterilization lamp 150 is radially reflected by the ultraviolet reflective film 200 of magnesium oxide material coated on the inner peripheral surface of the purified water storage tank 30 to the purified water filled in a constant capacity in the purified water storage tank 30. By irradiating when the purified water stored in the purified water storage tank 30 is left in a state that is not discharged to the outside for a long time effectively inhibit microbial propagation to prevent secondary bacteria contamination in advance.

On the other hand, when the magnesium oxide ultraviolet reflecting film 200 is adopted on the inner circumferential surface of the purified water storage container 30, since the purified water storage container 30 can be injection molded with a plastic material, it is possible to solve processability and distribution difficulties.

As described above, according to the water sterilizer of the cold and hot water purifier of the present invention, the purified water storage container is made of magnesium oxide material which can radially reflect the ultraviolet rays emitted by ultraviolet sterilization on the inner circumferential surface while being injection molded into a plastic with good processability and distribution. Because of the structure coated with the UV reflecting film, even if the purified water is stored in the purified water storage tank for a long time, it is possible to effectively suppress the microbial propagation, thereby preventing secondary bacteria contamination in advance.

Claims (2)

In the cold and hot water purifier provided with a water storage container to store the filtered water and the sterilized purified water at a predetermined capacity while passing the raw water through a plurality of inn means and ultraviolet sterilization lamp, the ultraviolet rays emitted from the ultraviolet sterilization lamp radially reflected to the purified water storage tank Sterilizer for cold water purifier, characterized in that the coating of the ultraviolet reflector on the inner circumferential surface of the purified water storage tank to suppress the microorganisms breeding in the stored water stored for a long time. The apparatus of claim 1, wherein the ultraviolet reflecting film is made of a magnesium oxide material.