KR20140075279A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
KR20140075279A
KR20140075279A KR1020120143484A KR20120143484A KR20140075279A KR 20140075279 A KR20140075279 A KR 20140075279A KR 1020120143484 A KR1020120143484 A KR 1020120143484A KR 20120143484 A KR20120143484 A KR 20120143484A KR 20140075279 A KR20140075279 A KR 20140075279A
Authority
KR
South Korea
Prior art keywords
return
flow path
box
mounting case
fan
Prior art date
Application number
KR1020120143484A
Other languages
Korean (ko)
Inventor
장원우
Original Assignee
동부대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 동부대우전자 주식회사 filed Critical 동부대우전자 주식회사
Priority to KR1020120143484A priority Critical patent/KR20140075279A/en
Publication of KR20140075279A publication Critical patent/KR20140075279A/en

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Classifications

    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/067—Supporting elements
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/068—Arrangements for circulating fluids through the insulating material
    • 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
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067—Evaporator fan units
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention relates to a refrigerator, wherein a connection portion is provided between upper and lower boxes, each of which is divided into a freezer compartment and a refrigerating compartment, to form an inner surface of the refrigerator, And a return flow path is formed at a central position of the fan mounting case so that the cool air introduced into the bowl and circulated can be smoothly returned to the evaporator.

Description

Refrigerator {REFRIGERATOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a refrigerator, and more particularly, to a refrigerator in which a truncated portion of a refrigerator is formed in a unitary structure,

Generally, a refrigerator is largely divided into a freezer compartment, a refrigerating compartment, and the like, and is equipped with a rapid freezing compartment, a vegetable compartment, and the like.

The front surface of the refrigerator body is provided with a door rotatably installed therein so as to store food and the like. The rear surface of the refrigerator body is connected to an evaporator And a circulation fan which is formed to communicate with the evaporator through the cool air duct and circulates the cool air into the freezer compartment and the refrigerating compartment.

As shown in Fig. 1, the trimming section for separating the freezing compartment and the refrigerating compartment includes a rectangular parallelepiped case 1 having a predetermined thickness, an insulator 2 inserted into the case 1, (1), a blowing fan (not shown) is provided at the rear of the case (1), and a branching duct (3) for branching cool air to the freezing chamber and the freezing chamber by the blowing fan And a return duct part 5 for returning the cool air introduced into the furnace and circulating back to the evaporator are provided on the front face of the case 1 so that a plurality of fastening members such as bolts ).

As described above, in the conventional refrigerator, the conventional return duct portion 5 is located on the corner side in the refrigerator compartment and the cold air can not be returned properly.

Korean Utility Model Registration Open Publication No. 2000-0010530 (June 15, 2000)

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a return flow path which is capable of returning cool air circulated into a furnace and returned to the evaporator smoothly, And it is possible to provide a refrigerator which is formed in a fan mounting case so that cool air can flow smoothly.

According to an aspect of the present invention, there is provided a refrigerator comprising: an upper box having a bottom opening formed at a bottom thereof; A lower box spaced apart from a lower portion of the upper box and having an upper opening formed in the ceiling; A connection unit installed on a front surface of the spaced-apart space between the upper box and the lower box to integrally connect the upper box and the lower box; And a separate fan mounting case disposed in the spaced-apart space behind the connection portion and having a blowing fan for blowing cold air of the evaporator, wherein the cool air blown by the blowing fan is branched into the upper box and the lower box, And a second return passage communicating with the first return flow passage and guiding the cool air to the evaporator, wherein the first return flow passage is formed in the fan mounting case to receive cold air from the upper box, And the flow path body in which the flow path is formed is accommodated.

Wherein the fan mounting case is partially separated from the upper surface, and the first return flow path is formed on the separated interface.

The fan mounting case is provided with a first cool air circulating flow path communicating with the upper and lower openings, and an inlet of the first return flow path is formed in front of the refrigerator of the cool air circulating flow path.

And an outlet of the first return flow passage communicating with the second return flow passage is formed at one side of the first cool air circulating flow passage.

And a guide groove is formed between the inlet and the outlet of the first return passage.

A part of the front surface of the flow path body is separated, and the second return flow path is formed on the separated interface.

The fan mounting case is formed with a first cool air circulating flow path communicating with the upper opening and the lower opening. The front surface of the flow path body is formed with an inclined surface inclined downward toward the front of the refrigerator, And the cold air supplied to the lower box through the flow path is guided to the front of the refrigerator.

And a flow guide member protrudes from the lower end of the front surface of the flow path body so as to be adjacent to the outlet of the second return flow path.

A multi-duct is installed on the upper surface of the fan mounting case and a rear surface of the upper box, and a return hole is formed in the multi-duct to return chilled air in the upper box. A second cool- And a support for separating the first cool air circulation passage and the first return passage is formed.

The fan mounting case may include a duct portion to which the first return flow passage is formed, a fan installed in an upper portion of the duct portion to protrude above the inner surface of the upper box and to be exposed to the inner surface of the upper box, And a fan fixed cover portion in which a coolant circulation passage and a circulation passage communicating with the first return flow passage are formed.

According to the refrigerator of the present invention having the above-described structure, the connecting portion is provided between the upper and lower boxes, which are divided into a freezing chamber and a refrigerating chamber, respectively, to form an inner surface of the refrigerator. And a return flow path is formed at a central position of the fan mounting case, so that it is possible to smoothly return the circulated cold air to the evaporator.

1 is a perspective view showing a truncated portion of a refrigerator according to the related art.
2 is a perspective view showing upper and lower boxes of a refrigerator according to the present invention.
Fig. 3 (a) is a bottom perspective view showing the lower opening of the upper box of Fig. 2;
Fig. 3 (b) is a perspective view showing the upper opening of the lower box of Fig. 2;
4 is a side view showing upper and lower boxes according to the present invention.
5 is an exploded perspective view illustrating a structure of a first cool air circulation path provided in a refrigerator according to the present invention.
6 is an assembled perspective view of Fig.
7 is a plan view showing the fan mounting case of Fig.
8 is a cross-sectional view showing the flow of cold air in the branch passage according to the present invention.
9 is a rear view showing a rear surface of a multi-duct according to the present invention.
10 is a cross-sectional view showing the flow of cold air of the return flow path according to the present invention.

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

As shown in FIG. 2, the refrigerator according to the present invention is mainly applied to a small combi refrigerator, and the inner surfaces of the refrigerator body are made up of box-shaped upper and lower boxes 100, 200 each of which is divided into a freezer compartment and a refrigerating compartment.

A lower opening 110 is formed in the bottom of the upper box 100 and an upper opening 210 is formed in the ceiling to be spaced from the lower portion of the upper box 100.

A connection part 300 for connecting the upper and lower boxes 100 and 200 to each other is integrally formed on the front surface of the separated space between the upper and lower boxes 100 and 200, And is formed as a single unit through the connection unit 300.

As shown in FIGS. 2 and 4, the space between the upper and lower boxes 100 and 200 is formed as an empty space spaced apart by a height of a connection portion 300 connected between the upper and lower boxes 100 and 200.

3 (a) and 3 (b), the space apart from the rear of the upper box 100, for example, the bottom 120 of the upper box 100 and the lower box 200 A separate fan mounting case 400 to be described later is installed.

The multi-duct 500 is installed on the upper surface of the fan mounting case 400 and on the rear surface of the upper box 100 so as to discharge the cool air generated from the evaporator to the inside of the refrigerator through the blowing fan F.

The fan mounting case 400 includes a duct part 420 in which the first cool air circulating flow path 430 for introducing cool air introduced from the evaporator by the blowing fan F into the lower box 200 is formed, .

The fan mounting case 400 is installed on the upper part of the duct part 420 and protrudes above the upper part of the upper box 100 through the lower opening part 110, And a fan fixing cover portion 410 installed toward the inner surface of the fan 100 and having a circulation passage 450 communicating with the first cooling circulation flow passage 430.

The fan fixing cover part 410 is a protective cover type that can support and protect the blowing fan F. The fan fixing cover part 410 includes a first cooling air circulating flow path 430 and a first cooling air circulating path 411 are connected to each other and are detachably coupled to the duct unit 420.

The duct part 420 is made of a heat insulating material provided with a second blowing hole 421 communicating with the first blowing hole 411.

The multi-duct 600 is made of a plastic injection molding material, and the supporting body 610 is made of a heat insulating material.

The heat insulating material constituting the duct part 420 of the fan mounting case 400 and the support body 610 of the multi-duct 600 may be made of expanded polystyrene or the like.

8, a branch flow channel 440 is formed in which cool air blown by the blowing fan F is branched into the upper box 100 and the lower box 200. The branch flow channel 440 440 includes a passage between the rear surface of the upper box 100 and the multi-duct 600 through which the cool air impinging on the rear surface of the multi-duct 600 is branched and the first cool circulation duct 430.

6 and 9, a return hole 601 through which the cool air in the upper box 100 is returned is formed on the front face of the multi-duct 600, and an upper box 100 is formed on the rear face thereof. And a separate support 610 for separating the first cool air circulation passage 430 and the first return passage 450 to be described later is attached to the second cool air circulation passage 620, .

According to the embodiment of the present invention, the fan mounting case 400 is provided with a first return passage 450 for receiving cold air from the upper box 100, And a flow body 500 in which a second return flow path 510 communicating with the flow path 450 and guiding cool air to the evaporator is formed.

The upper part of the fan mounting case 100 is separated and the first return flow path 450 is formed at the separated interface. The first return air flow path 430 is provided in front of the refrigerator, And an inlet 451 of the inlet 450 is formed.

An outlet 452 of the first return flow passage 450 communicating with the second return flow passage 510 is formed at one side of the first cool circulation flow passage 430.

At this time, a guide groove 453 is formed between the inlet 451 and the outlet 452 of the first return flow passage 450 for smooth guiding of the cool air.

In addition, a part of the front surface of the channel body 500 is separated, and a second return flow path 510 is formed on the separated interface.

A slope surface 520 inclined downward toward the front of the refrigerator is formed on the front surface of the channel body 500 so as to pass through the branching channel 440 of the first cooling circulation channel 430 through the blowing fan F, The cold air supplied to the box 200 is guided to the front of the refrigerator.

A channel guide piece 530 protrudes from the bottom of the front surface of the channel body 500 so as to be adjacent to the outlet 511 of the second return channel 510. The first return channel 450, The cool air flowing through the flow path 510 is led to the evaporator.

1, the inlet 451 of the first return duct 450 according to the present invention is positioned at the corner of the multi-duct 600 (see FIG. 1) The return hole 601 is formed at the center of the refrigerator compartment where the cold air can concentrate, so that the cold air return to the evaporator can be smoothly performed.

The fan mounting case 400 configured as described above is coupled between the lower opening 110 of the upper box 100 and the upper opening 210 of the lower box 200 and formed in the fan mounting case 400 And communicates with the freezer compartment and the refrigerating compartment through the branch duct 440 and the second cool air circulation duct 620 of the multi-duct 600.

In the embodiment of the present invention, the fan fixing cover unit 410 is formed as a separate unit that can be assembled to the duct unit 420. However, The fan fixing cover part 410 can be omitted.

Accordingly, the refrigerator according to the present invention is characterized in that the refrigerator has a space formed inside a connection part 300 for vertically dividing the freezing compartment and the refrigerating compartment, a lower opening part 110 communicating with the freezing compartment above the front end, A separate fan mounting case 400 communicating with the upper and lower openings 210 and 110 is provided to simplify the structure and reduce the number of workings do.

The fan mounting case 400, which can not be manufactured through the mold injection process on the inside of the refrigerator, can be manufactured in a separate assembly form and assembled easily.

Particularly, the inlet 451 of the first return flow channel 450, which returns the cool air introduced into the freezing chamber and the refrigerating chamber to the evaporator, is connected to the fan mounting case 400 located at the center of the rear of the refrigerator compartment together with the multi- It is possible to smoothly return the circulated cold air to the evaporator again.

100: upper box 110: lower opening
120: bottom 200: bottom box
210: upper opening 220: ceiling
300: connection part 400: fan mounting case
410: fan fixing cover part 411: first blowing hole
420: duct part 421: second blowing port
430: first cool air circulation flow path 440:
450: first return flow path 451: inlet
452: outlet 453: guide groove
460: circulation passage 500: flow body
510: second return flow path 511: outlet
520: slope 530: guide
600: Multi-duct 601: Return hole
610: Support body 620: Second cool air circulation flow path

Claims (10)

An upper box having a bottom opening formed in the bottom;
A lower box spaced apart from a lower portion of the upper box and having an upper opening formed in the ceiling;
A connection unit installed on a front surface of the spaced-apart space between the upper box and the lower box to integrally connect the upper box and the lower box; And
And a separate fan mounting case disposed in the spaced-apart space behind the connection portion and having a blowing fan for blowing cold air of the evaporator,
A branch flow path is formed in which cool air blown by the blowing fan is branched into an upper box and a lower box,
Wherein the fan mounting case has a first return flow passage for receiving cold air from the upper box,
Wherein the lower box is provided with a flow body in communication with the first return flow path and having a second return flow path for guiding cold air to the evaporator.
The method according to claim 1,
Wherein a part of an upper surface of the fan mounting case is separated and the first return flow path is formed at a separated interface.
3. The method of claim 2,
Wherein the fan mounting case is formed with a first cool air circulating flow path communicating with the upper opening portion and the lower opening portion,
And an inlet of the first return flow passage is formed in front of the refrigerator of the cold circulation flow passage.
The method of claim 3,
And the outlet of the first return flow passage communicating with the second return flow passage is formed at one side of the first cool air circulating flow passage.
5. The method of claim 4,
Wherein a guide groove is formed between an inlet and an outlet of the first return channel.
The method according to claim 1,
Wherein a part of the front surface of the flow path body is separated and the second return flow path is formed at the separated interface.
The method according to claim 6,
Wherein the fan mounting case is formed with a first cool air circulating flow path communicating with the upper opening portion and the lower opening portion,
Wherein the front surface of the channel body is formed with an inclined surface inclined downwardly toward the front of the refrigerator and guides the cool air supplied to the lower box through the first air circulation channel to the front of the refrigerator through the air blowing fan.
The method according to claim 6,
And a flow guide member protrudes from the lower end of the front surface of the channel body so as to be adjacent to the outlet of the second return channel.
9. The method according to any one of claims 1 to 8,
A multi-duct is installed on the upper surface of the fan mounting case and a rear surface of the upper box, and a return hole is formed in the multi-duct to return chilled air in the upper box. A second cool- And a support for separating the first cool air circulation channel and the first return channel is formed.
10. The method of claim 9,
The fan mounting case may include a duct portion to which the first return flow passage is formed, a fan installed in an upper portion of the duct portion to protrude above the inner surface of the upper box and to be exposed to the inner surface of the upper box, And a fan fixed cover portion formed with a circulation path communicating with the cold circulation flow path and the first return flow path.
KR1020120143484A 2012-12-11 2012-12-11 Refrigerator KR20140075279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120143484A KR20140075279A (en) 2012-12-11 2012-12-11 Refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120143484A KR20140075279A (en) 2012-12-11 2012-12-11 Refrigerator

Publications (1)

Publication Number Publication Date
KR20140075279A true KR20140075279A (en) 2014-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120143484A KR20140075279A (en) 2012-12-11 2012-12-11 Refrigerator

Country Status (1)

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KR (1) KR20140075279A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180039871A (en) * 2016-10-11 2018-04-19 삼성전자주식회사 Refrigerator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180039871A (en) * 2016-10-11 2018-04-19 삼성전자주식회사 Refrigerator

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