A drinking water dispenser heats and cools drinking water supplied from a water supply bottle, and provides heated and cooled drinking water. The dispenser includes a cold water tank, a hot water tank, a water supply pipe, a valve, a by-pass pipe, a by-pass valve and a control unit. The valve opens
A drinking water dispenser heats and cools drinking water supplied from a water supply bottle, and provides heated and cooled drinking water. The dispenser includes a cold water tank, a hot water tank, a water supply pipe, a valve, a by-pass pipe, a by-pass valve and a control unit. The valve opens and closes a water outlet for taking in the drinking water from the water supply bottle according to a level of the drinking water in the cold water tank, limits supply of the drinking water to the cold water tank, and, while the water outlet is shut, suppresses convection of the drinking water and/or heat of the drinking water between the water supply bottle and the cold water tank.
대표청구항▼
1. A drinking water dispenser that heats and cools drinking water supplied from a water supply bottle, and provides heated and cooled drinking water, the dispenser comprising: a cold water tank that cools the drinking water fit to drink to store the cooled drinking water;a hot water tank that heats
1. A drinking water dispenser that heats and cools drinking water supplied from a water supply bottle, and provides heated and cooled drinking water, the dispenser comprising: a cold water tank that cools the drinking water fit to drink to store the cooled drinking water;a hot water tank that heats the drinking water to store the heated drinking water;a water supply pipe that is provided to a recessed portion of a plate member, the plate member being disposed in the cold water tank, the water supply pipe introducing the drinking water stored in the cold water tank, to the hot water tank;a valve that opens and closes a water outlet for taking in the drinking water from the water supply bottle according to a level of the drinking water in the cold water tank, the water outlet being disposed in a cover, the cover being placed on the cold water tank, the valve limiting supply of the drinking water to the cold water tank, and suppressing convection of the drinking water and/or heat of the drinking water between the water supply bottle and the cold water tank while the water outlet is shut;a by-pass pipe that is between the hot water tank and the cold water tank, to circulate the heated drinking water in the hot water tank and the cold water tank along with the water supply pipe;a by-pass valve that blocks the by-pass pipe; anda control unit that controls open and close of the by-pass valve while there is no provision request of the drinking water and while the valve is shut,wherein the valve includes a float part and an open and close unit, the float part rising toward an opening of the water outlet and falling according to the level of the drinking water in the cold water tank, the open and close unit including packing that opens and closes the water outlet, one end of the open and close unit being rotatably supported by the float part, another end of the open and close unit being supported at a side of the water outlet,wherein the float part floats on a surface of the drinking water by receiving buoyancy from the drinking water and is movably exposed on the surface of the drinking water, the float part including a first part supported with one end of the open and close unit and a second part protruding downward from the first part,wherein the first part of the float part touches the plate member so to allow the second part of the float part to escape into the recessed portion of the plate member when the float part is falling, andwherein the packing is adhered to the water outlet by rise of the float part, or adhesion of the packing is released by fall of the float part, and the water outlet is opened and closed by the packing. 2. The drinking water dispenser of claim 1, further comprising: cooling means that is placed on the cold water tank, and cools the drinking water;heating means that is placed on the hot water tank, and heats the drinking water;cold water temperature detecting means that detects a temperature of the drinking water in the cold water tank; andhot water temperature detecting means that detects a temperature of the drinking water in the hot water tank,wherein when the drinking water is circulated, the control unit stops the cooling means and operates the heating means to heat the drinking water to a predetermined temperature or over. 3. The drinking water dispenser of claim 1, further comprising: a separating plate that includes the plate member, the separating plate separating the drinking water in the cold water tank into an upper layer side and a lower layer side,wherein the water supply pipe is connected to an opening of the separating plate, and makes the drinking water, that falls onto the separating plate from the water outlet, flow to the hot water tank. 4. The drinking water dispenser of claim 1, further comprising: cooling means that is provided for the cold water tank, and cools the drinking water;heating means that is provided for the hot water tank, and heats the drinking water;cold water temperature detecting means that detects a temperature of the drinking water in the cold water tank; andhot water temperature detecting means that detects a temperature of the drinking water in the hot water tank,wherein when the drinking water is circulated, the control unit stops the cooling means and operates the heating means to heat the drinking water. 5. The drinking water dispenser of claim 1, wherein an air layer is formed between the water outlet and a water surface of the cold water tank of a full level. 6. The drinking water dispenser of claim 1, further comprising: an air intake unit that includes a filter, and takes in air from an outside to the cold water tank through the filter. 7. A drinking water dispenser that heats and cools drinking water supplied from a water supply bottle, and provides heated and cooled drinking water, the dispenser comprising: a cold water tank that cools the drinking water fit to drink to store the cooled drinking water;a hot water tank that heats the drinking water to store the heated drinking water;a water supply pipe that is provided to a recessed portion of a plate member, the plate member being disposed in the cold water tank, the water supply pipe introducing the drinking water stored in the cold water tank, to the hot water tank;a valve that opens and closes a water outlet for taking in the drinking water from the water supply bottle according to a level of the drinking water in the cold water tank, the water outlet being disposed in a cover, the cover being placed on the cold water tank;a by-pass pipe that is between the hot water tank and the cold water tank, to circulate the heated drinking water in the hot water tank and the cold water tank along with the water supply pipe;a by-pass valve that blocks the by-pass pipe; anda control unit that controls open and close of the by-pass valve while there is no provision request of the drinking water and while the valve is shut,wherein the valve includes a float part that rises toward an opening of the water outlet and falls according to the level of the drinking water in the cold water tank,wherein the cover includes a guide that guides rise and fall of the float part, the guide having an opening at a bottom of the guide, the opening of the guide being larger than a maximum width of the float part,wherein at least part of the float part passes through the opening of the guide when the float part is falling, andwherein the recessed portion of the plate member is formed so to allow at least part of the float part to escape thereinto when the float part is falling. 8. The drinking water dispenser of claim 7, wherein the recessed portion of the plate member forms a niche for escape of the float part, when the float part has fallen, andwherein the valve is supported by the recessed portion of the plate member. 9. The drinking water dispenser of claim 7, wherein the float part is provided with a leg, and the float part can be supported on the plate member by the leg. 10. The drinking water dispenser of claim 7, wherein an opening of the recessed portion of the plate member is larger than an opening of the guide. 11. The drinking water dispenser of claim 7, wherein the guide has lattice through which the drinking water passes.
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이 특허에 인용된 특허 (5)
Sheets Kerney T. (P.O. Box 771 ; Babin Rd. Duplessis LA 70728), Bottled water dispenser.
Hinch Nowell (11249-127 Street Edmonton ; Alberta CAX T5M 0T7 ), Method of converting an inverted bottle water dispensing system for use with an automatic bottle refill system.
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