KR101766541B1 - Cold Water Tank with Cold Sink Manufactured in One Piece - Google Patents

Cold Water Tank with Cold Sink Manufactured in One Piece Download PDF

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Publication number
KR101766541B1
KR101766541B1 KR1020150166131A KR20150166131A KR101766541B1 KR 101766541 B1 KR101766541 B1 KR 101766541B1 KR 1020150166131 A KR1020150166131 A KR 1020150166131A KR 20150166131 A KR20150166131 A KR 20150166131A KR 101766541 B1 KR101766541 B1 KR 101766541B1
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KR
South Korea
Prior art keywords
cold
cold sink
partition
bottom portion
water
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KR1020150166131A
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Korean (ko)
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KR20170061301A (en
Inventor
정홍균
우상운
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(주)신우엠테크
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Priority to KR1020150166131A priority Critical patent/KR101766541B1/en
Publication of KR20170061301A publication Critical patent/KR20170061301A/en
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Publication of KR101766541B1 publication Critical patent/KR101766541B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • H01L35/30—

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a cold water tank, which comprises a water receiving portion composed of a bottom portion and a cylindrical wall portion formed at an edge of the bottom portion to extend vertically to the bottom portion to provide an internal space for receiving water introduced from the outside, And a cold sink portion extending vertically outward from a central portion of the bottom portion of the water receiving portion and formed thicker than the bottom portion, the body integrally formed by a single casting process with the same material having good thermal conductivity, And a thermoelectric module attached to an outer surface of the cold sink portion of the main body to transmit cool air to the cold sink portion And water introduced from an inlet connected to one side of the inner space And is cooled by cool air transferred to the cold sink unit by the thermoelectric module, and is connected to the other side of the inner space to be discharged to an outlet formed therein.

Description

{Cold Water Tank with Cold Sink Manufactured in One Piece}

The present invention relates to a cold water tank. More particularly, the present invention relates to a cold water tank, and more particularly, to a cold water tank for cooling water, which comprises a water receiving portion constituting an internal space for generating cold water and a cold sink for transmitting cold air to a water accommodating portion, Sink type cold water tank.

The cold water tank is a main component of a water purifier, a cold water heater and the like, and serves to cool water flowing into the internal space of the body to provide cool water.

1, the structure of a general cold water tank includes a first body 111 having an inlet for introducing water from the outside and an outlet for discharging the cooled water, A second body 112, a cold sink 130 attached to an outer surface of the second body for transmitting cool air to the interior of the second body, a thermoelectric module 120 attached to the opposite side of the cold sink, And a heat sink 150 attached to the heat sink 150 to perform a heat radiating function. The heat sink 150 may further include a blowing fan 160, a heat insulating member 190, and the like.

In the conventional cold water tank, the partition member 170 is provided between the inlet and the outlet so that the hot water on the inlet side and the cold water on the outlet side are not mixed with each other.

However, in the conventional cold water tank, the cold sink 130 to which the thermoelectric module is attached and the second body 112 that forms the main body are independent components, which are attached to each other. In the process of passing through the heat- . In order to solve this problem, a thermal grease for increasing the thermal conductivity is applied to the joint surface between the second body 112 and the cold sink 130. However, the heat transfer loss due to the separation surface between the two components Can not be completely resolved.

In addition, although the problem of mixing cold and hot water by the partition member 170 between the inlet and the outlet can be solved, a bracket 140 is provided to separate the partition member 170 as a separate component at a predetermined position of the inner space And fixing means for fixing the bracket to the second body are required, and there is a disadvantage that the work process for assembling between the complicated components is very troublesome.

Published Japanese Patent Application No. 10-2014-0055168 (published May 2014, 2014)

It is an object of the present invention to provide a cold sink integrated type cold water tank which is constructed by integrating a cold sink located between a thermoelectric module and a water receiving portion with a water receiving portion to minimize heat transfer loss between a water receiving portion and a cold sink . Other objects of the present invention can be achieved by the detailed description of the present invention described with reference to the accompanying drawings.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, a cold-integrated cold water tank of the present invention comprises a bottom portion and a cylindrical portion extending vertically from the bottom of the bottom portion to provide an internal space for receiving water, And a cold sink portion formed vertically outward from the center portion of the bottom portion of the water receiving portion and formed thicker than the bottom portion, and integrally formed with the same material having good thermal conductivity by a single casting process And a cover for detachably attaching to the rim of the wall portion and forming an inner space sealed together with the water receiving portion when engaged, and a cover attached to an outer surface of the cold sink portion of the body, And a thermoelectric module for transferring, and connected to one side of the inner space The inflow of water from the formed inlet is cooled by the cooling air delivered to the cold sink by the thermoelectric module is configured to be discharged to the discharge port is formed is connected to the other side of the internal space.

Further, the present invention is characterized in that it includes a plurality of plate-shaped compartments formed vertically on the inner surface of the bottom portion of the main body, the inlet is located at the top of the space defined by the partition, Wherein one end of the partition is formed to be vertically alternately connected to both side walls of the wall portion so that the water introduced into the uppermost portion of the partitioned space through the inlet port meanders downward from the inner space And may be configured to move to the lowermost part of the partitioned space and discharge through the discharge port.

Also, preferably, the partition may be formed to have an inclination downward from a portion connected to the both side walls.

Preferably, the partition is formed with a plurality of protrusions on an outer surface of a portion extending from a bottom portion having at least the cold sink portion.

Preferably, the partition may include a partition having a gentle inclination at a position in contact with a bottom portion of the cold sink portion, and a partition having a steep slope at a position other than the partition.

The heat sink may further include a heat sink attached to the thermoelectric module to discharge heat generated in the thermoelectric module, and a coupling means for coupling with the heat sink is coupled to an outer surface of the bottom portion of the body A coupling means fastening protrusion may be formed and at least two or more of the fastening protrusions may be spaced apart from the outer edge of the cold sink portion.

According to the cold sink integrated type cold water tank of the present invention, the cold sink does not exist as a separate independent component but is made of one material integrally with the water receiving portion, thereby maximizing the efficiency of transferring the heat of the water receiving portion to the thermoelectric module can do. In addition, a plurality of compartments may be formed integrally with the bottom of the water receiving part in the water receiving part, thereby maximizing efficiency of transferring cool air from the thermoelectric module to the water receiving part. In addition, by forming coupling means fastening protrusions for connecting between the heat sink and the bottom portion at a position spaced apart from the cold sink portion on the outer surface of the bottom portion of the water accommodating portion, heat transfer between the cold sink portion and the fastening protrusions can be minimized, Can be prevented from escaping to the outside.

1 is an example of a conventional cold water tank.
2 is an exploded perspective view of a cold sink integrated cold water tank according to an embodiment of the present invention;
3 is a rear perspective view of the body of FIG. 2;
4 is a sectional view of a cold sink integrated cold water tank according to one embodiment of the present invention; And
Fig. 5 is a front view showing a partition formed inside the body of Fig. 2. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical meanings and concepts of the present invention.

FIG. 2 is a perspective view of a cold-water integrated cold water tank according to an embodiment of the present invention, FIG. 3 is a rear perspective view of the body of FIG. 2, and FIG. 4 is a cross- Sectional view of the tank. 2 to 4, the cold sink integrated type cold water tank of the present invention includes a body 100 integrally formed by a single casting process with the same material having a good thermal conductivity, A cover 200, and a thermoelectric module 300 attached to the outer surface of the main body 100 to transfer cool air to the inner space.

The main body 100 is composed of water receiving portions 120 and 130 and a cold sink portion 180. The water receiving portions 120 and 130 are provided on the bottom of the main body 100 to provide an internal space for receiving water from the outside, And a cylindrical wall portion (120) formed at the edge of the bottom portion and extending perpendicularly to the bottom portion. The cold sink portion 180 is formed to be thicker than the bottom portion 130 by extending vertically outward from the center portion of the bottom portion 130 of the water receiving portions 120 and 130.

Preferably, the main body 100 is formed by injecting molten metal into a mold by a general die casting method and then casting the cold sink portion 180 to the water receiving portions 120 and 130, It is possible to constitute the main body 100 of a single material integrated with the main body 100. The main body 100 may be made of a material having excellent thermal conductivity such as aluminum or copper. Therefore, the heat of the internal space can be discharged to the thermoelectric module 300 with high efficiency by the cold sink portion 180 formed thicker than the bottom portion 130, and the bottom portion 130 of the water receiving portion and the cold sink portion 180 So that the heat transfer loss between the two components is minimized and the water in the inner space of the water receiving portion can be cooled very quickly.

In addition, the inner surfaces of the water receiving portions 120 and 130 of the main body 100 may be corroded by water, so that a special anti-corrosion surface treatment such as anodizing can be performed.

The cover 200 is detachably coupled to the rim of the wall portion 120 of the water receiving portions 120 and 130 and forms an enclosed inner space together with the water receiving portions 120 and 130 when engaged. The conventional cold water tank generally constitutes an internal space by the first body portion corresponding to the cover 200 and the second body portion corresponding to the water accommodating portion constitutes a cover function, It is necessary to separate all the attached parts of the second body in order to separate the second body for access to the inside of the container. However, in the case of the present invention, It is possible to take necessary measures. The cover 200 may be configured to be closed by the main body 100 and the gasket 210 and a coupling means such as a rivet may be inserted into the coupling holes 106 and 206 formed in the flanges 108 and 208 of the respective configurations Can be combined.

The thermoelectric module 300 is attached to the outer surface of the cold sink portion 180 of the main body 100 and transfers the cool air to the cold sink portion 180.

In the present invention, the water introduced from the inlet 102 connected to one side of the internal space is cooled by the cool air transferred to the cold sink unit 180 by the thermoelectric module 300, And is configured to function as a cold water tank so as to be discharged to the discharge port 104 formed in connection with the cold water tank. 2, the inlet 102 is configured to extend into the inlet tube 202 of the cover 200 and the outlet 104 is configured to extend to the outlet tube 204 of the cover 200. In one embodiment,

Referring to FIG. 2, the present invention may include a plurality of plate-shaped partitions 110 formed vertically extending from the inner surface of the bottom part 130 of the main body 100.

The inlet port 102 is located at the top of the space defined by the partition 110 and the outlet port 104 is located at the bottom of the space defined by the partition 110. The partition 110 Are vertically alternately connected to both side walls 120a of the wall part 120. [ Therefore, the water introduced into the uppermost part of the divided space through the inlet 102 is meandered downward in the internal space, and is moved to the lowermost part of the divided space and is discharged through the outlet 104 .

As described above, according to the present invention, the inner space of the water receiving portion is divided into a plurality of compartments by the plurality of compartments, and the water continuously contacts the compartments during the course of the water flowing in the uppermost portion by alternately arranging the compartments, Respectively. Since the partition is vertically extended from the bottom portion 130 and is integrally manufactured from the same material having excellent thermal conductivity during the manufacture of the main body 100, the partition portion having excellent thermal conductivity during the meandering of the water, > Can be discharged very quickly along the path of the cold sink part. Therefore, the generation time of cold water can be shortened.

Also, preferably, as shown in FIG. 5, the partition 110 may be formed to be inclined downward from a portion connected to both side walls. Accordingly, by generating a descending flow in the water that meanders from the uppermost portion to the lowermost portion of the inner space, the cooled water can be lowered more rapidly along the slope.

5, the partition 110 may include at least a portion extending from the bottom portion 130 where the cold sink portion 180 is formed (a portion included in the dotted rectangle A) And a plurality of protrusions 114 may be formed on the outer surface. The amount of the water falling down by the protrusion 114 by the protrusion 114 can be maximized, so that the heat contained in the water is more effectively transmitted to the thermoelectric module through the partition, So that it can be discharged. Here, the shape of the protrusion 114 is shown as a circle, but this is merely one example and may include various types of protrusions. However, it is not preferable that the protrusion which inhibits the downward flow of water is used.

5, the partition 110 may include a gently sloped partition 110b located at a position in contact with the bottom portion 130 where the cold sink portion 180 is formed, And a partition 110a having a steep slope at a position not corresponding thereto. This configuration allows water to descend so that the descending water is allowed to stay in the compartment located at the part A where the heat is to be conveyed for a longer time and the compartment located at the remaining part where heat transfer is insignificantly passes quickly to generate cold water rapidly . In the drawing, the partition 110a is constructed to be rushed at an inclination of &thetas; 1 , and the partition 110b belonging to A is made to be gentle at an inclination of &thetas; 2 .

2, the present invention may also include a heat sink 400 attached to the thermoelectric module 300 to emit heat generated in the thermoelectric module 300, A coupling means fastening protrusion 150 may be formed on an outer surface of the bottom portion 130 of the main body to fasten coupling means 155 such as a rivet for coupling with the heat sink 400, The coupling means fastening protrusions 150 may be spaced apart from the outer edges of the cold sinks 180 and spaced apart by at least two. In the drawing, an example in which four coupling means fastening protrusions 150 are formed is shown. A coupling means receiving groove 152 is formed in the coupling means fastening protrusion 150 so that the coupling means can be inserted.

It is possible to insert the heat insulating material between the body 100 and the heat sink 400 so that the cold air of the body 100 can not be discharged to the outside and the cooling fan 500 is added to the outside of the heat sink 400 The heat of the inner space of the main body 100 absorbed by the thermoelectric module 300 can be effectively discharged to the outside.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various modifications can be made by those skilled in the art. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It will not.

100: main body 102: inlet
104: exhaust port 110:
120: wall part 130: bottom part
150: coupling means fastening protrusion 180: cold sink part
200: cover 300: thermoelectric module
400: heat sink 500: cooling fan

Claims (6)

And a cylindrical wall portion 120 formed to extend vertically from the bottom of the bottom portion 130 at the edge of the bottom portion 130 to provide an internal space for accommodating the inflow water from the outside A cold sink portion 180 extending vertically outward from a center portion of the bottom portion 130 of the water receiving portion to be thicker than the bottom portion 130, A main body 100 made up of a plurality of plate-shaped dividing sections 110 extending vertically and integrally manufactured by a single casting process with the same material having a good thermal conductivity;
A cover 200 detachably coupled to a rim of the wall portion 120 and forming an enclosed inner space together with the water receiving portion when engaged; And
A thermoelectric module (300) attached to an outer surface of the cold sink part (180) of the main body (100) to transfer cool air to the cold sink part;
/ RTI >
The water introduced from the inlet 102 formed at the uppermost portion of the space defined by the partition 110 is connected to the cold sink 180 by the thermoelectric module 300, Is cooled by the transferred cool air and is connected to the other side of the inner space and is discharged to the discharge port (104) located at the lowermost part of the space defined by the partitioning part (110)
One end of the partition 110 is vertically alternately connected to both side walls of the wall 120 so that water flowing into the uppermost part of the partitioned space through the inlet 102 flows downward And is discharged through the discharge port (104) by moving to the lowermost part of the partitioned space.
delete The method according to claim 1,
Wherein the partition is formed to be inclined downward from a connection portion with the both side walls.
The method according to claim 1,
Wherein the partition has a plurality of protrusions formed on an outer surface of at least a portion extending from a bottom portion where the cold sink portion is formed.
The method according to claim 3 or 4,
Wherein the partition includes a partition having a gentle inclination at a position in contact with a bottom portion of the cold sink portion and a partition having a steep inclination at a position not corresponding thereto.
The method according to claim 1,
And a heat sink attached to the thermoelectric module to emit heat generated in the thermoelectric module,
A coupling means fastening protrusion for fastening a coupling means for coupling with the heat sink is formed on an outer surface of the bottom portion of the main body,
Wherein the coupling means fastening protrusions are spaced apart from an outer edge of the cold sink portion so that at least two of the fastening protrusions are spaced apart from each other.
KR1020150166131A 2015-11-26 2015-11-26 Cold Water Tank with Cold Sink Manufactured in One Piece KR101766541B1 (en)

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KR1020150166131A KR101766541B1 (en) 2015-11-26 2015-11-26 Cold Water Tank with Cold Sink Manufactured in One Piece

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KR101766541B1 true KR101766541B1 (en) 2017-08-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210130546A (en) 2020-04-22 2021-11-01 주식회사 다원물산 Cold water tank
KR20220065509A (en) 2020-11-13 2022-05-20 주식회사 비.엘.아이 Cold water tank

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102247221B1 (en) 2018-07-16 2021-05-03 코웨이 주식회사 Cold water tank
US20220185649A1 (en) * 2019-04-30 2022-06-16 Coway Co., Ltd. Cold water production apparatus and method
KR102289233B1 (en) * 2020-03-18 2021-08-17 박성호 A Cold Water Tank With Thermoelectric module
KR20220033831A (en) * 2020-09-10 2022-03-17 코웨이 주식회사 Apparatus for making cold water and water purifier including the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210130546A (en) 2020-04-22 2021-11-01 주식회사 다원물산 Cold water tank
KR20220065509A (en) 2020-11-13 2022-05-20 주식회사 비.엘.아이 Cold water tank

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