KR100692222B1 - Refrigerator - Google Patents

Abstract

A refrigerator is provided to form fluid guide parts at a lower part of a protrusion part of a duct toward heat emitting holes of a lamp cover for discharging heat of lamps to the outside along the fluid guide parts and preventing transfer of the heat toward the duct, thereby preventing deformation of chilled air paths and a path insulating element. A refrigerator includes a duct(80) mounted to an inner wall surface of a storing chamber for forming chilled air paths(81), and mounted with a lamp unit in the center vertically, wherein the lamp unit has a plurality of lamp holders(91) coupled with lamps(93) respectively. Heating plates(88) are positioned between the duct and the lamp unit for blocking heat of the lamps not to be transmitted to the duct. A lamp cover(95) protects the lamps and is formed with a plurality of heat emitting holes(96). Fluid guide parts(86,87) are formed at an upper end area of the duct under a protrusion part(83) for guiding the lamp heat to the heat emitting holes, so that the lamp heat is not accumulated to the protrusion part but discharged to the outside along the fluid guide parts.

Description

Refrigerator {REFRIGERATOR}

1 is an exploded perspective view showing main parts of a conventional refrigerator;

2 is a cross-sectional view taken along II-II of FIG.

3 is an exploded perspective view of a refrigerator according to a first embodiment of the present invention;

4 is an exploded perspective view illustrating main parts of the refrigerator according to the first embodiment of the present invention;

5 is a cross-sectional view taken along the line VV of FIG. 4,

6 is an exploded perspective view illustrating main parts of a refrigerator according to a second embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: refrigerator 10: body

20: storage room 30, 40, 50: door

60: ice making room 70: dispenser

80: duct 81: cold air flow path

85: lamp holder portion 86, 87: fluid guide portion

88: heat sink 89: heat dissipation groove

91: lamp holder 93: lamp

95 lamp cover 96 heat dissipation hole

The present invention relates to a refrigerator, and more particularly, to a refrigerator having at least one lamp for illuminating a storage compartment.

Recently, according to the consumer's desire to use a large storage compartment, a side-by-side refrigerator in which a refrigerating compartment and a freezer compartment are arranged left and right or at least one drawer storage compartment is provided in a lower part of a multi-door refrigerator. Demand is increasing.

The refrigerator divided into a large capacity or a plurality of storage compartments may have a dark interior, and as shown in FIG. 1, a plurality of lamps may be installed on an inner wall surface of the storage compartment 100. 1 is an exploded perspective view showing main parts of a conventional refrigerator. The conventional refrigerator includes at least one storage compartment 100, a duct 110 forming a cold air flow path 120 on an inner wall surface of the storage compartment 100, and a plurality of lamps installed in a vertical region in a center region of the duct 110. Lamp units 130 and 140 including a lamp 140 coupled to the holder 130 and the lamp holder 130, and a heat sink 150 located between the duct 110 and the lamp unit 130, 140 And a lamp cover 160 to protect the lamp units 130 and 140.

Here, the duct 110 is provided with at least one cold air flow path 120 having a grill shape along the edge of the plate shape, and the protrusion 170 protruding forward is provided in the upper region of the duct 110. have. The grille-shaped cold air passage 120 is also provided on the front surface of the protrusion 170. And, as shown in Figure 2, to protect the cold air supplied to the storage compartment 100 through the cold air flow path 120 inside the duct 110, the inside of the protrusion 170 and the cold air flow path 120 is installed. The flow path insulating member 180 is provided.

In the center region of the duct 110, a plurality of lamp units 130 and 140 for illuminating the inside of the refrigerator divided into a large capacity or the plurality of storage compartments 100 are provided in the vertical direction.

However, as the plurality of lamps 140 are used, the lamp heat generated by the lamp 140 increases, and the generated lamp heat moves upward and accumulates in the bottom region of the protrusion 170. Due to the lamp heat to be accumulated, the injection product (cold flow path 120) and the flow path insulating material 180 of the lamp 140 positioned at the top may be deformed, and there is a problem that may cause fire.

Therefore, an object of the present invention, it is possible to provide a refrigerator that can minimize the deformation of the cold air flow path and the flow path insulating material.

According to the present invention, a refrigerator including a main body for forming at least one storage compartment and a lamp provided in the storage compartment to illuminate the interior of the storage compartment is provided on an inner wall surface of the storage compartment and forms a cold air flow path. Ducts; A lamp unit installed in a vertical region of the duct, the lamp unit including a plurality of lamp holders to which lamps are coupled; A heat sink disposed between the duct and the lamp unit to block lamp heat transmitted to the duct; A lamp cover protecting the lamp and having a plurality of heat dissipation holes; And a fluid guide part provided in the upper region of the duct to guide the lamp heat to the heat dissipation hole.

Here, the duct is provided with a plurality of lamp holder portion to which the lamp holder is coupled, a protrusion formed protruding forward in the upper region of the duct, the fluid guide portion is a first fluid guide portion provided along the edge of the lamp holder portion, the protrusion portion The bottom surface may include a second fluid guide portion provided to correspond to the heat dissipation hole.

The heat sink may be provided with a heat dissipation groove corresponding to the first fluid guide part.

In addition, at least one cold air flow passage is provided on the front surface of the protrusion, and a heat insulation material for protecting cold air supplied to the storage chamber through the cold air flow passage is provided inside the protrusion, and the heat insulation material is disposed at a predetermined distance from the bottom of the protrusion. There may be.

Hereinafter, a multi-door refrigerator as one embodiment of the present invention, with reference to the accompanying drawings will be described in detail. 3 is an exploded perspective view of a refrigerator according to a first embodiment of the present invention, FIG. 4 is an exploded perspective view of main parts of the refrigerator according to the first embodiment of the present invention, and is a cross-sectional view along VV of FIG. 4. .

As shown in FIG. 3, the refrigerator 1 of the present invention includes a main body 10 in which at least one storage chamber 20 having one side is formed, and a door that opens and closes each of the storage chambers 20. 30, 40, 50). Here, the storage compartment 20 may be a refrigerating compartment, a freezing compartment and a food storage space.

The main body 10 has a refrigerator compartment and a freezer compartment partitioned left and right by an intermediate partition. As shown in FIG. 3, a storage compartment 20 for storing vegetables, fruits, and other foods is divided by a horizontal partition. . The front openings of each of the refrigerating compartments and the freezing compartments are provided with a refrigerating compartment door 40 and a freezing compartment door 50 for opening and closing the openings, and a door guide 43 for accommodating co-current and the like inside each of the doors 40 and 50. ) Are arranged up and down. Here, the refrigerator compartment door 40 and the freezer compartment door 50 are rotatably connected to the main body 10 by a hinge unit.

The storage compartment 20 provided on the right side is a refrigerating compartment, in which a plurality of shelves 21 for partitioning the internal space are arranged up and down, and at least one storage drawer 22 is provided below. The storage compartment 20 provided on the left side is a freezing compartment, in which an ice making chamber 60 in which an ice making device for ice making is provided is partitioned, and a plurality of shelves and storage drawers are arranged up and down in the lower part of the freezing compartment. An ice making tray 61 is provided in the ice making chamber 60 to receive water from an external water supply device. An ice storage unit 63 stores ice from the ice making tray 61 in the lower part of the ice making tray 41. ) Is provided.

The freezer door 50 is provided with a dispenser 70 capable of supplying ice ice and drinking water from the outside in the ice making chamber 60. The dispenser unit 70 includes a water dispenser 71 for supplying drinking water and an ice dispenser 73 for supplying ice, and an operation panel including a plurality of button keys on the dispenser unit 70. 75 is provided so that the user can select crushed ice, uncrushed ice or ice ice powder.

At least one storage compartment 20 is provided below the main body 10 to allow the door 30 to which the storage container 31 is coupled to enter or exit in a drawer or slide manner.

On the inner wall surface of each storage chamber 20, the duct 80 which forms the cold air flow path 81, and the lamp holder 91 and the lamp holder 91 which were installed in the up-down direction in the center area | region of the duct 80, respectively. To protect the lamp unit (91, 93) including the lamp 93 to be coupled, the heat sink 88 positioned between the duct 80 and the lamp unit (91, 93), and the lamp unit (91, 93) Lamp cover 95 provided with a plurality of heat dissipation holes 96, and fluid guides (86, 87) for guiding heat generated from the lamp 93 to the heat dissipation holes (96) in the upper region of the duct (80) It is prepared.

As shown in FIG. 4, the duct 80 is provided with at least one cold air flow path 81 having a grill shape along the edge thereof in a plate shape, and protrudes toward the front in the upper region of the duct 80. Protrusions 83 are provided. The grille-shaped cold air flow path 81 is provided also in the front surface of the protrusion part 83. FIG. As shown in FIG. 5, the inside of the protrusion 83 and the inside of the duct 80 in which the cold air flow path 81 is installed protect the cold air supplied to the storage chamber 20 through the cold air flow path 81. The flow path insulating material 84 for this is provided.

And, as shown in Figure 4, in the center region of the duct 80, a plurality of lamp holder portion 85 to which the lamp unit (86, 87) is coupled is provided in the vertical direction, the fluid guide portion (86, 87) ) Is a second fluid guide portion 87 provided to correspond to the heat dissipation hole 96 to be described later on the bottom surface of the first fluid guide portion 86 and the protrusion 83 provided along the edge of the lamp holder (85). Include. The second fluid guide portion 87 extends from the first fluid guide portion 86, and an end portion of the second fluid guide portion 87 is provided to be adjacent to the heat dissipation hole 96. The fluid guides 86 and 87 have a groove shape recessed to a predetermined depth and are passages for dissipating lamp heat generated from the lamp 93 to the outside. The first and second fluid guides 86 and 87 are provided in the peripheral area of the lamp 93 provided at the top. Although not shown, a fluid guide portion 86 may be provided in the peripheral region of the lamp 93 positioned below to guide the lamp heat generated from the lamp 93 to move to the heat dissipation hole 96. . The fluid guide portion 86 may be provided along the edge of the lamp holder portion 85 to which the lamp units 91 and 93 are coupled.

And, as shown in Figure 4, in the center region of the duct 80, a plurality of lamp units (91, 93) for illuminating the interior of the refrigerator 1 partitioned into a large capacity or a plurality of storage compartment 20 lamp holder It is provided in the up-down direction corresponding to the unit 85. The lamp units 91 and 93 include a lamp holder 91 into which the lamp 93 is inserted to allow electricity to flow, and a lamp 93 illuminating the inside of the storage compartment 20.

A heat sink 88 is provided between the lamp units 91 and 93 and the duct 80 to block the lamp heat transmitted to the duct 80, and the heat sink 88 is a plate made of a metal plate or a material capable of heat transfer. Blocks the lamp heat transmitted to the duct 80 through cooling.

The lamp units 91 and 93 are protected by the lamp cover 95. The lamp cover 95 protects the lamp unit 91 and 93 by covering or contacting the inner edge of the cold air flow passage 81 and the lower end of the protrusion 83 on the front surface of the duct 80. The lamp cover 95 is provided with a plurality of heat dissipation holes 96. The heat dissipation hole 96 is provided in a region corresponding to the second fluid guide portion 87 at the lower end of the protrusion 83, and is formed along the edge of the lamp cover 95. The heat dissipation hole 96 is also provided in the middle region and the lower region of the lamp cover 95. Lamp heat is cooled by bringing cold and lamp heat into contact with each other through the heat dissipation hole 96.

However, as the plurality of lamps 93 are used, the lamp heat generated by the lamp 93 increases, and the generated lamp heat moves upward and accumulates at the bottom of the protrusion 83. By the ramp heat to be accumulated, the injection product (cold flow path 81) and the flow path insulating material 84 of the lamp 93 positioned at the top may be deformed, and there is a problem that may even cause ignition.

Accordingly, in the present invention, the fluid guides 86 and 87 are provided at the edge of the lamp 93 positioned at the top and the bottom of the protrusion 83 in order to effectively cool down the lamp heat accumulated on the bottom of the protrusion 83. In addition, the structure of the second fluid guide part 87 is improved to correspond to the heat dissipation hole 96. As a result, the lamp heat generated by the lamp 93 and moved upward is moved to the heat dissipation hole 96 along the fluid guides 86 and 87, and the lamp heat is cooled by cold air. That is, the lamp heat is not accumulated on the bottom surface of the protrusion 83 and is effectively discharged to the outside along the fluid guides 86 and 87 so that the lamp heat can be circulated and cooled smoothly. 84) deformation can be minimized. In addition, possible fire prevention can be prevented in advance.

Moreover, the deformation of the flow path insulation material 84 by the lamp row by providing the fluid guides 86 and 87 or by intentionally arranging the flow path insulation material 84 at a predetermined distance d from the bottom surface of the projection 83. Can be further minimized.

Hereinafter, a second embodiment of the present invention will be described with reference to FIG. In the second embodiment, only characteristic parts distinguished from the first embodiment will be described and described, and the same reference numerals are assigned to the same elements for the convenience of description.

As shown in FIG. 6, the heat dissipation plate 88 is provided with a heat dissipation groove 89 corresponding to the first fluid guide portion 86. The heat dissipation groove 89 is for effectively guiding the lamp heat rising from the lower portion to the second fluid guide portion 87.

As described above, a refrigerator capable of minimizing deformation of the cold air flow path and the flow path insulating material is provided.

Claims (4)

A refrigerator comprising a main body forming at least one storage compartment and a lamp installed in the storage compartment to illuminate the inside of the storage compartment, A duct installed on an inner wall surface of the storage chamber and forming a cold air flow path; A lamp unit installed in a vertical area of the duct, the lamp unit including a plurality of lamp holders to which the lamps are coupled; A heat sink disposed between the duct and the lamp unit to block lamp heat transmitted to the duct; A lamp cover protecting the lamp and having a plurality of heat dissipation holes; And And a fluid guide part provided at an upper end region of the duct to guide the lamp row to the heat dissipation hole. The method of claim 1, The duct includes a plurality of lamp holders to which the lamp holders are coupled, and protrusions protruding forward in the upper region of the duct. And the fluid guide part includes a first fluid guide part provided along an edge of the lamp holder part, and a second fluid guide part provided on a bottom surface of the protruding part to correspond to the heat dissipation hole. The method of claim 2, The heat sink is provided with a heat dissipation groove corresponding to the first fluid guide portion. The method of claim 2, At least one cold air passage is provided on the front surface of the protrusion, and a flow path insulation material is provided inside the protrusion to protect the cold air supplied to the storage chamber through the cold air passage. And the flow path insulating material is spaced apart from the bottom of the protrusion by a predetermined interval.

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