JPH094958A - Hot and chilled water generator - Google Patents

Abstract

PURPOSE: To improve the water quality of hot or chilled water in a water storage tank by providing a circulating passage water-purifier communicating with a circulating passage to improve the water quality of hot or chilled water circulated in the passage. CONSTITUTION: The discharge tube 42 of a circulating passage 4 has a substantially cylindrical mount 43 protruding upward from the bottom 23 of a heating cooler 32 and a circulating passage purifier 8 disposed in a water storage tank 3 at the mount 43. When hot or chilled water in the tank 3 is circulated into the passage 4 by a circulating pump 7, minerals are repeatedly dissolved from mineral sources 84, 85 of the purifier 8 to the hot or chilled water. Thus, the mineral is effectively added to the hot or chilled water in the tank 3 to improve the water quality. Accordingly, the hot or chilled water in the tank is improved in taste or odor and can be supplied as safety for a human body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold / hot water machine provided with a water storage tank for storing cold / hot water, and more particularly to a cold / hot water machine capable of improving the quality of cold / hot water in the water storage tank.

[0002]

2. Description of the Related Art A conventional water chiller / heater illustrated in FIG. 4 includes an outer casing 1 having a water supply portion 2 on the outer side, and a water storage tank 3 disposed above the outer casing 1. Water storage tank 3
Is a water storage tank body 31 that opens upward together with the outer case 1.
And a heating / cooling portion 32 provided so as to project below the water storage tank body 31. This heating / cooling unit 32
A heater 22 is provided at the bottom of the heating / cooling section 32, and the side surface of the heating / cooling section 32 is wound by a cooling pipe 21. Further, below the water storage tank 3, a compressor 23, a condenser 24, and a condenser cooling fan 25, which constitute a refrigeration cycle together with the cooling pipe 21, are arranged. Further, the upper lid 2 for covering the upper opening of the water storage tank body 31 is provided on the upper end portion of the outer box 1.
0 is attached detachably.

In the chiller / heater, the water in the water storage tank 3 is heated by the heater 22 to be hot water, or the cooling pipe 2 is used.
It is designed to be cooled by 1 to make cold water. Further, a water supply pipe 11 communicating with the supply unit 2 is connected to the bottom of the heating / cooling unit 32 of the water storage tank 3, and the cooler / heater is cold water or hot water (cool / warm water) in the storage tank 3 from the supply unit 2. Can be supplied.

[0004]

However, such a conventional chiller / heater has the following problems. That is, in general, tap water is directly supplied to the water storage tank 3 of the water heater / cooler,
This tap water is supplied from the supply unit 2 as cold / hot water.
However, as has recently become a problem, some tap water has a bad taste due to chlorine odor due to residual chlorine and lack of minerals, and impurities such as red rust, bacteria and trihalomethane that are harmful to the body. Is included,
Water quality may be very poor. Therefore, the cold / hot water supplied from the cold / hot water machine naturally has the same problem as tap water, and the bad taste and odor may be further emphasized by using the cold / hot water.

The present invention has been made in consideration of the above points, and improves the quality of cold / hot water in a water storage tank,
It is an object of the present invention to provide a hot and cold water dispenser capable of supplying cold and hot water having a better taste and safe to the body.

[0006]

[Means for Solving the Problems] A first means is to provide an outer box having a water supply portion for discharging cold and hot water on the outside and a cold water supply to the water supply portion of the outer box, which is disposed in the outer box. A water storage tank, an inlet portion and an outlet portion that communicate with each other in the water storage tank, and a circulation pump, and a circulation passage for circulating cold and hot water in the water storage tank, and a communication with the circulation passage, A hot and cold water dispenser comprising: a circulation passage water purifier for improving the quality of cold and hot water circulating in the circulation passage.

According to a second means, in the first means, both the outer box and the water storage tank are opened upward, and in this water storage tank, the circulation passage water purifier can be attached to and detached from the outlet of the circulation passage. It is characterized by being installed in.

A third means is the first or second means, wherein cold / hot water supplied from the water storage tank to the water supply portion of the outer box is provided between the water storage tank and the water supply portion of the outer box. It is characterized by further comprising a water supply water purifier for improving water quality.

A fourth means is that the circulation passage water purifier has a built-in mineral source for eluting minerals in water, and the water supply water purifier has a built-in filter medium for removing impurities and odors in the water. Characterize.

[0010]

According to the first aspect of the present invention, while the cold / hot water in the water storage tank is circulated in the circulation passage by the circulation pump, the quality of the circulating cold / hot water can be improved by the circulation passage water purifier. This makes it possible to repeatedly and effectively improve the quality of cold / hot water in the water storage tank by the circulation passage water purifier.

According to the second aspect of the present invention, the circulation passage water purifier in the water storage tank can be attached and detached from the opening side of the water storage tank, and the circulation passage water purifier can be replaced very easily.

According to the third aspect of the present invention, the quality of the cold / hot water in the water storage tank improved by the circulation passage water purifier can be further improved by the water supply water purifier when the water is supplied from the supply unit. Further, different water quality improving functions can be used for the water supply water purifier and the circulation passage water purifier, and various water quality improving effects can be given to the cold and warm water in the water storage tank.

According to the fourth aspect of the present invention, the mineral source of the circulation passage water purifier elutes minerals into the cold and warm water circulating in the circulation passage, so that the minerals are effectively contained in the cold and warm water in the water storage tank. Minutes can be added. In addition, the cold / warm water to which the mineral content is added can be supplied from the supply unit after removing impurities and odors with the water supply water purifier.

[0014]

Embodiments of the present invention will now be described with reference to the drawings. 1 to 3 are views showing an embodiment of the present invention.

As shown in FIG. 1, the water cooler / heater has a water supply unit 2
An outer box 1 having an outer side and a water storage tank 3 arranged above the outer box 1 are provided. The water storage tank 3 has a water storage tank main body 31 that opens upward together with the outer case 1, and a heating / cooling section 32 that is provided so as to project below the water storage tank main body 31. The heater 22 is arranged on the rear surface side of the bottom 33 of the heating / cooling unit 32.
The side surface of is wound by a cooling pipe 21. Further, below the water storage tank 3, a compressor 23, a condenser 24, and a condenser cooling fan 25, which constitute a refrigeration cycle together with the cooling pipe 21, are arranged. Further, an upper lid 20 for covering the upper opening of the water storage tank body 31 is detachably attached to the upper end of the outer box 1.

In the chiller / heater, the water in the water storage tank 3 is heated by the heater 22 to be warm water, or the cooling pipe 2 is used.
It is designed to be cooled by 1 to make cold water. A water supply pipe 11 communicating with the supply unit 2 is arranged below the heating / cooling unit 32 of the water storage tank 3, and the cold / hot water machine supplies the cold / hot water in the water storage tank 3 through the water supply pipe 11 to the supply unit 2. It can be supplied from.

A circulation passage 4 is provided below the heating / cooling section 32 of the water storage tank 3. This circulation passage 4
Has a suction pipe 41 and a discharge pipe 42 respectively communicating with the heating / cooling unit 32, and a circulation pump 7 connected between the suction pipe 41 and the discharge pipe 42. The suction pipe 41 of the circulation passage 4 has an inlet portion 5 opening to the bottom portion 33 of the heating / cooling portion 32. On the other hand, the discharge pipe 4 of the circulation passage 4
2 has a substantially cylindrical mounting portion 43 protruding upward from the bottom portion 33 of the heating / cooling portion 32, and the outlet portion 6 is provided at the tip of this mounting portion 43. That is, the circulation passage 4 is
By the action of the circulation pump 7, the cold / hot water in the water storage tank 3 is sucked from the inlet 5 of the suction pipe 41 and discharged from the outlet 6 of the discharge pipe 42, so that the cold / hot water in the water storage tank 3 can be circulated. You can do it. Further, the circulation passage water purifier 8 located in the water storage tank 3 is attached to the attachment portion 43.

Further, in the bottom portion 33 of the heating / cooling portion 32, the upper portion is opened to the bottom portion 33 and the lower portion is the water supply pipe 11 described above.
Is provided with a water outlet portion 10 communicating with the water outlet portion 10.
A water purifier 9 is installed inside.

Next, the circulation passage water purifier 8 and its mounting structure will be described in detail with reference to FIGS. 1 and 2. As shown in FIGS. 1 and 2, the circulation passage water purifier 8 includes a hollow, substantially cylindrical cartridge case 81, and barley stones 84 and coral stones 85 (mineral source) filled in layers in the cartridge case 81, respectively. )have. The cartridge case 81 has a water passage hole 83 at the top thereof.
Are formed in a large number, and a cylindrical mounting portion 82 projecting inward is provided on the bottom. Further, as shown in FIG. 2, a female screw portion 82a is formed on the inner surface of the mounting portion 82. On the other hand, a male screw portion 43a is formed on the outer peripheral surface of the mounting portion 43, and the circulation passage water purifier 8 is configured by screwing the female screw portion 82a of the mounting portion 82 into the male screw portion 43a of the mounting portion 43. It is fixed to the mounting portion 43. In addition, it is preferable that the cartridge case 81 is subjected to antibacterial fluorine processing for hygiene to prevent the propagation of various bacteria.

Next, referring to FIG. 3, the water supply / purifier 9 and its mounting structure will be described in detail. As shown in FIG. 3, the water purifier 9 includes a hollow substantially cylindrical cartridge case 91 and a filter medium 92 filled in the cartridge case 91. This filter medium 92 is
For example, it is constituted by wrapping activated carbon with a non-woven fabric, and it is preferable to use silver-supported antibacterial fibrous activated carbon for this activated carbon from the viewpoint of hygiene. Further, the cartridge case 91 has a flange portion 93 protruding laterally from a peripheral edge of an upper end portion thereof, and an elastic flange portion 94a provided below the flange portion 93 and protruding from the outer peripheral surface of the cartridge case 91 at a distance. , 94b. Also,
The cartridge case 91 has a discharge portion 95 (see FIG. 1) that extends downward from the bottom surface thereof and is inserted into the water supply pipe 11.

On the other hand, the water outlet 10 to which the water purifier 9 is attached has the cartridge case 9 of the water purifier 9 inside.
It has a receiving part 12 for receiving 1. Further, on the inner peripheral surface of the receiving portion 12 of the water outlet portion 10, the water purifier 9
Engaging groove portions 14a and 14b corresponding to the elastic flange portions 94a and 94b provided on the cartridge case 91 are engraved. Then, the water purifier 9 is fixed in the receiving portion 12 of the water outlet portion 10 by engaging the elastic flange portions 94a, 94b of the cartridge case 91 with the engaging groove portions 14a, 14b of the water outlet portion 10. It is supposed to be done.

Next, the operation of this embodiment having such a configuration will be described. According to the present embodiment, the cold / hot water in the water storage tank 3 is circulated in the circulation passage 4 by the circulation pump 7 so that the cold / hot water circulating in the circulation passage 4 is supplied from the mineral sources 84, 85 of the circulation passage water purifier 8. Minerals such as calcium and magnesium are repeatedly eluted. As a result, the mineral content can be effectively added to the cold and warm water in the water storage tank 3 to improve the water quality. Further, the cold / warm water in the water storage tank 3 to which the mineral content has been added is removed by the water supply water purifier 9 to remove impurities such as red rust, bacteria, trihalomethane, and odors such as chlorine and musty odor to further improve the water quality. Then, it can be supplied from the supply unit 2.

Further, the circulation passage water purifier 8 can be easily attached / detached to / from the mounting portion 43 by simply turning the cartridge case 81 directly by hand. On the other hand, in the water purifier 9, only by lifting the flange portion 93 of the cartridge case 91 by hand, the elastic flange portions 94a and 94b of the cartridge case 91 are elastically deformed and the engaging groove portions 14a and 14b of the water outlet 10 are removed. It can be detached and pulled out from the water outlet portion 10, and conversely, it can be attached to the water outlet portion 10 simply by pushing in by hand. Further, the circulation passage water purifier 8 and the water supply water purifier 9 can be easily attached and detached from the opening side of the water storage tank 3 by removing the upper lid 20 from the outer box 1. Therefore, the circulation passage water purifier 8 and the water supply water purifier 9
Can be replaced very easily.

Although the case of using the barley stone 84 and the coral stone 85 as the mineral source built in the circulation passage water purifier 8 has been described, it is not limited to these and the mineral content is eluted into the water to improve the water quality. Other materials may be used as long as they can be a mineral source. Further, although the case where activated carbon is used as the filter medium 92 incorporated in the water supply water purifier 9 has been described, the present invention is not limited thereto, and a hollow fiber membrane filter or a filter medium in which activated carbon and a hollow fiber membrane filter are combined is used. Good.

Although the case where two different water purifiers, the circulation passage water purifier 8 and the water supply water purifier 9 are used, has been described, only the water quality improving function of either the circulation passage water purifier 8 or the water supply water purifier 9 can be obtained. If it is sufficient, only one water purifier may be used.

[0026]

As described above, according to the present invention, while circulating the cold / hot water in the water storage tank in the circulation passage by the circulation pump, the quality of the circulating cold / hot water is improved by the circulation passage water purifier. You can This makes it possible to repeatedly and effectively improve the quality of cold / hot water in the water storage tank by the circulation passage water purifier. For this reason, the cold and warm water in the water storage tank can be supplied as a product that has a better taste and smell and is safe for the body.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing an embodiment of a cold / hot water machine according to the present invention.

FIG. 2 is a perspective view showing a circulation passage water purifier of the water cooler / heater shown in FIG. 1 and a mounting structure thereof.

FIG. 3 is a perspective view showing a water supply / purifier of the water cooler / heater shown in FIG. 1 and its mounting structure.

FIG. 4 is a vertical sectional view showing an example of a conventional chiller-heater.

[Explanation of symbols]

 1 Outer box 2 Supply part 3 Water tank 4 Circulation passage 5 Circulation passage inlet 6 Circulation passage outlet 7 Circulation pump 8 Circulation passage water purifier 9 Water supply water purifier 84,85 Mineral source 92 Filtration material

Claims (4)

[Claims] 1. An outer box having a water supply section for discharging cold and hot water on the outside, a water storage tank arranged in the outer box for supplying cold and hot water to the water supply section of the outer box, and a water storage tank provided in the water storage tank. A circulation passage having an inlet portion and an outlet portion, which communicate with each other, and a circulation pump, for circulating the cold and warm water in the water storage tank, and the water quality of the cold and warm water that communicates with the circulation passage and circulates in the circulation passage. And a circulation passage water purifier for improving the cooling and heating machine. 2. The outer box and the water storage tank are both open upward, and the circulation passage water purifier is detachably attached to the outlet of the circulation passage in the water storage tank. The hot and cold water machine according to claim 1. 3. A water supply water purifier for improving the quality of cold / hot water supplied from the water storage tank to the water supply section of the outer box is further provided between the water storage tank and the water supply section of the outer box. The cold / hot water machine according to claim 1 or 2, characterized in that. 4. The circulation passage water purifier has a built-in mineral source that elutes minerals in water, and the water supply water purifier has a built-in filter material that removes impurities and odors in the water. Item 3. The hot and cold water machine according to Item 3.