CN107917574B

CN107917574B - Refrigerator with a door

Info

Publication number: CN107917574B
Application number: CN201710712674.8A
Authority: CN
Inventors: 吉池真史; 石浜真也; 大谷贵史; 山野由贵; 岸比吕子
Original assignee: Aqua Co Ltd
Current assignee: Aqua Co Ltd
Priority date: 2016-10-06
Filing date: 2017-08-18
Publication date: 2021-06-01
Anticipated expiration: 2037-08-18
Also published as: CN107917574A; JP6788888B2; JP2018059674A

Abstract

The invention provides a refrigerator, which can solve the problem that the heat dissipation structure of the refrigerator in the existing refrigerator is concentrated on the back side of the refrigerator and the heat generated by the refrigerator is difficult to be dispersed and released. In the refrigerator (1) of the present invention, the equipment chamber (19) is disposed in the lower part of the left side of the refrigerator (1) in the front-rear direction of the refrigerator (1), and release ports (45, 46) for releasing air in the equipment chamber (19) are formed in the vicinity of the end parts of the equipment chamber (19) in the front-rear direction. The air heated by the heat generated in the equipment compartment (19) is discharged to the outside from the front-rear direction of the refrigerator (1) via a heat-dissipation air-passage member (33) formed in the heat-insulating doors (4A, 5A). With this configuration, the heated air is dispersed in the front-rear direction of the refrigerator (1) and further diffused in the gaps between the heat insulating doors (4A, 5A) and the protruding portions (43, 44), thereby being released to the outside in a state where it is difficult for a person to feel uncomfortable.

Description

Refrigerator with a door

Technical Field

The present invention relates to a top table (top table) type refrigerator, and more particularly, to a refrigerator which can function as a table even when heat radiation from the refrigerator is dispersed and disposed in a living room or the like, thereby gathering people around the refrigerator.

Background

As a conventional top desk type refrigerator, the following configuration is known. Fig. 6(a) shows an external perspective view of the refrigerator 100, and fig. 6(B) shows a sectional view of the refrigerator 100 shown in fig. 6 (a). As shown in fig. 6(a),

heat insulating doors

101 and 102 that openably close and closably close front openings of a refrigerator 100 are disposed on a front surface thereof. Further, a top table 103 is disposed at an upper end of the refrigerator 100. The refrigerator 100 has a cabinet partitioned into left and right sides by partition walls (not shown), a refrigerator (not shown) provided on the side of the heat insulating door 101, and a freezer compartment 104 provided on the side of the heat insulating door 102 (see fig. 6B).

As shown in fig. 6(B), a cooling chamber 106 partitioned by a partition plate 105 is provided on the rear side in the cabinet of refrigerator 100, and a cooler 107 or a blower 108 is disposed in cooling chamber 106. Further, a condenser 110 is disposed on an inner surface of a back plate of the outer box 109 of the refrigerator 100, and a recess 111 is formed inside the back plate. By forming the concave portion 111, a heat radiation space of the condenser 110 can be secured. Further, an equipment chamber 112 is formed below the rear surface side of the refrigerator 100, and a compressor 113 is disposed in the equipment chamber 112 (see, for example, patent document 1).

Documents of the prior art

Patent document

Patent document 1: japanese examined patent publication (Kokoku) No. 7-37876

Disclosure of Invention

The refrigerator 100 is a small refrigerator, and is placed in a living room in a single-person residence, for example, to store favorite products such as beer. Further, a top table 103 is disposed at an upper end of the refrigerator 100. The user can use the refrigerator 100 as a table by placing evening meal, snacks, beer refrigerated in the refrigerator 100, or the like on the top table 103.

However, like a large refrigerator placed in a kitchen or the like, refrigerator 100 is provided with a heat radiation structure on the rear surface side of refrigerator 100. Specifically, condenser 110 is disposed in a recess 111 provided in a back plate of outer box 109 of refrigerator 100. Further, the compressor 113 is also disposed in the equipment room 112 below the rear surface side of the refrigerator 100.

With such a structure, the refrigerator 100 mainly releases heat generated from the refrigerator 100 from the back surface side thereof. That is, when refrigerator 100 is used as a desk in a living room, the back surface side of refrigerator 100 is an area that is likely to be uncomfortable by the heat radiation. Therefore, the refrigerator 100 having the heat radiation structure has a problem that it is difficult for a person to sit so as to surround the top table 103.

Further, when the refrigerator 100 is used as a table not only in a single house but also in a house where a plurality of persons live together such as family members, the top table 103 of the refrigerator 100 has a problem that the space for the table is small and the table is not good. In this case, for example, it is conceivable that the refrigerator 100 is horizontally long, and the top table 103 is also horizontally long, so that the space for the table can be increased. However, since the refrigerator 100 is formed in a horizontally long shape, the storage space in the cabinet is also formed in a horizontally long shape, and there is a new problem that a structure for circulating the cold air in the cabinet of the refrigerator 100 without being biased is required.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a refrigerator which can disperse heat radiation from the refrigerator, can be used as a table where people gather around the refrigerator, and can circulate cold air in the cabinet without being biased.

In a refrigerator according to the present invention, there is provided a refrigerator including: a heat-insulating box body, which is provided with a storage chamber; a heat insulation door for closing the opening of the storage chamber in an openable and closable manner; an equipment chamber formed on a side of the heat insulation box; and a protruding portion of the heat insulating box formed above an arrangement region of the heat insulating door, and having a heat dissipating structure, the heat dissipating structure including: a release port formed in a side surface of the device chamber; a blower disposed near the discharge port and configured to send air in the equipment room; and a heat dissipation air path member formed in the heat insulation door and having both ends opened, and configured to allow air in the equipment room to flow in by the blower, wherein in a state where the heat insulation door is closed, an opening portion of the heat dissipation air path member on one end side of the heat dissipation structure faces the release opening, and an opening portion of the heat dissipation air path member on the other end side faces the protrusion.

In the refrigerator according to the present invention, the storage chamber is formed to penetrate the heat insulating box in one direction, and the heat insulating door includes: a first heat insulating door that closes one opening of the storage chamber in an openable and closable manner; and a second heat insulating door that openably closes the other opening of the storage compartment, wherein each of the first heat insulating door and the second heat insulating door is a split door, and the cooling air path member is formed for one of the split doors of each of the first heat insulating door and the second heat insulating door.

In the refrigerator according to the present invention, the cooling air path member is disposed to extend from a bottom surface of the one of the split doors along a side surface on a center side, and the first heat insulating door and the second heat insulating door are not provided with a heater for preventing condensation.

In the refrigerator according to the present invention, a cooling chamber is disposed in the heat insulating box so as to face the equipment chamber with the storage chamber interposed therebetween, and a condenser is disposed on a bottom surface of the heat insulating box so as to cover at least a lower portion of the other of the cooling chamber, the first heat insulating door, and the second heat insulating door.

In the refrigerator according to the present invention, a supply air passage for connecting the storage chamber and the cooling chamber above the storage chamber and allowing cool air cooled in the cooling chamber to flow is formed in the heat insulating box, and the supply air passage includes: a first supply air passage extending from the cooling chamber side of the storage chamber toward the equipment chamber side; and a pair of second supply air passages branched from the first supply air passage and returning to the cooling chamber side along the one opening and the other opening of the storage chamber, respectively, and a plurality of discharge ports are formed in each of the second supply air passages.

In the refrigerator according to the present invention, the heat-insulating box may be provided with an interior illumination in the vicinity of an end of the one opening and in the vicinity of an end of the other opening of the storage room.

Effects of the invention

The refrigerator according to the present invention includes a heat insulation door that closes an opening of a heat insulation box body so as to be openable and closable, and the heat radiation air passage member is formed in the heat insulation door. The cooling air path member is an air path for releasing air heated by heat generated inside the equipment room to the outside. When the heat-insulating door is closed, the opening of the heat-dissipation air-path member faces the discharge opening of the equipment room, and the heated air flows into the heat-dissipation air-path member and is discharged from above the heat-insulating door to the outside. With this structure, heat generated inside the refrigerator is dispersed and diffused to be released to the outside, so that people can gather around the refrigerator, and the refrigerator can also be used as a table.

In the refrigerator according to the present invention, the storage room penetrates in the front-rear direction of the refrigerator, and the heat insulating doors are disposed in the front surface opening and the rear surface opening of the storage room, respectively. The heat-dissipating air path members are formed in the two heat-insulating doors, and the heated air in the equipment room can be dispersed and discharged from the front-rear direction of the refrigerator. With this structure, heat generated inside the refrigerator is dispersed and diffused to be released to the outside, so that people can gather around the refrigerator.

In the refrigerator according to the present invention, the air heated in the equipment room flows through the inside of the heat-dissipation air path member formed in the heat-insulating door, and thus the heat-dissipation air path member functions as a heater for preventing condensation. On the other hand, a condenser is disposed below the heat insulating door where no heat-dissipation air-path member is formed. With this configuration, the heat generated in the refrigerator can be utilized, and the heater for preventing dew condensation can be omitted, thereby reducing the manufacturing cost.

In the refrigerator according to the present invention, the cooling chamber and the equipment chamber are disposed on opposite sides of the refrigerator with the storage chamber therebetween, and the condenser is disposed so as to cover a lower portion of the cooling chamber. With this structure, the storage chamber can be prevented from being arranged in a biased manner in one direction of the refrigerator, and the user's usability can be improved. The water stored in the evaporation pan of the cooling chamber is evaporated by the heat of the condenser.

In the refrigerator of the present invention, the heat insulating box on the upper surface side of the refrigerator is also used as a top table, the refrigerator is horizontally long, and the storage room is also horizontally long. Further, the cool air supply duct is formed along the longitudinal direction of the storage chamber and is gradually discharged from the rear side of the storage chamber toward the near side, whereby the cool air can be efficiently supplied to the entire storage chamber without being biased.

In the refrigerator according to the present invention, cabinet lighting is disposed in the vicinity of the front opening and the rear opening of the storage room. The interior illumination illuminates the storage room from the front end and the rear end of the storage room toward the back side. With this configuration, since the food stored in the storage chamber is less likely to be shaded toward the front opening and the rear opening, the storage chamber becomes bright and the food and the like in the storage chamber can be easily seen.

Drawings

Fig. 1 is a diagram for explaining a refrigerator according to an embodiment of the present invention, in which (a) is a perspective view and (B) is a side sectional view.

Fig. 2 is an exploded perspective view for explaining an insulation door of a refrigerator according to an embodiment of the present invention.

Fig. 3 is a diagram for explaining a heat radiation structure of a refrigerator according to an embodiment of the present invention, where (a) is a side sectional view and (B) is a side sectional view.

Fig. 4 is a view for explaining a supply air passage of the refrigerator according to the embodiment of the present invention, wherein (a) is a plan view and (B) is a side sectional view.

Fig. 5 is a diagram for explaining the interior lighting of the refrigerator according to the embodiment of the present invention, where (a) is a top view and (B) is a side sectional view.

Fig. 6 is a view showing a conventional refrigerator, where (a) is an external perspective view and (B) is a sectional view.

Description of the reference numerals

1 refrigerator

2 Heat insulation box

2A top table

3 storage room

4. 4A, 4B insulated door

5. 5A, 5B insulated door

11 Cooling chamber

12 evaporator

13 supply air passage

13A first supply air passage

13B second supply air passage

14 air supply outlet

15 blower

16 return port

17 air duct cover plate

18 equipment chamber cover

19 equipment room

20 compressor

21 condenser

32 door frame

33 heat dissipation air path component

33A, 33B openings

38. 39 opening part

43. 44 projection

45. 46 release port

47. 48 blower

63. 64, 65, 66, 67, 68 ejection ports

71. 72 cabinet internal lighting

Detailed Description

Next, a refrigerator 1 according to an embodiment of the present invention will be described in detail with reference to the drawings. In the following description, the vertical direction represents the height direction of the refrigerator 1, the horizontal direction represents the width direction of the refrigerator 1, and the front-rear direction represents the depth direction of the refrigerator 1.

Fig. 1(a) is a perspective view for explaining a schematic configuration of a refrigerator 1 according to an embodiment of the present invention. Fig. 1(B) is a diagram for explaining a schematic configuration of a refrigerator 1 according to an embodiment of the present invention, and is a side sectional view of the refrigerator 1 shown in fig. 1(a) in a direction of line a-a.

As shown in fig. 1(a), the refrigerator 1 is a desk-top horizontal refrigerator, and is used as a desk, for example, disposed in a living room, and a sofa or the like is disposed around the refrigerator. As will be described in detail later, the heat insulating box 2 on the upper surface side of the refrigerator 1 can also be used as a top table 2A, and family members and the like gather to surround the refrigerator 1 and perform eating and other activities. Moreover, the dimensions of the refrigerator 1 are, for example: the width W1 was 1.0m, the depth W2 was 0.6m, and the height T was 0.46 m. The size of the top table 2A can be sufficiently secured. Although not shown in the drawings, the refrigerator 1 is provided with a plug-in power supply, and a laptop computer can be placed on and used by the top table 2A of the refrigerator 1.

The refrigerator 1 includes a heat-insulating box 2 as a main body, and a storage chamber 3 for storing foods and the like is formed inside the heat-insulating box 2. The storage chamber 3 is, for example, a refrigerator capable of storing beverages such as beer or food, and the inside of the storage chamber 3 is cooled to 3 ℃ or higher and 6 ℃ or lower.

The storage chamber 3 of the heat-insulated box 2 is opened so as to penetrate in the front-rear direction of the refrigerator 1, and heat-insulated

doors

4 and 5 are openably and closably disposed in the front-surface opening and the rear-surface opening, respectively. The heat-insulating door 4 is, for example, a double-door, and is composed of a pair of heat-insulating

doors

4A and 4B. The upper and lower left ends of the heat insulating door 4A are rotatably supported by the heat insulating box 2, and the upper and lower right ends of the heat insulating door 4B are rotatably supported by the heat insulating box 2. In the following description, the heat-insulating door 4 may be described as the heat-insulating

doors

4A and 4B.

Further, a center pillar 6 is attached to the center side end of the front opening of the heat insulating door 4A along the vertical direction thereof. A gasket (not shown) containing a permanent magnet is disposed on the front surface side of the center pillar 6, and when the

heat insulation doors

4A and 4B are closed, the

heat insulation doors

4A and 4B are magnetized from the inside of the cabinet, thereby achieving the air tightness of the storage room 3. The center pillar 6 is attached to the heat insulating door 4A to be rotatable by a hinge mechanism (not shown), for example, and follows the heat insulating door 4A while being separated from and rotated by the

heat insulating doors

4A and 4B in conjunction with the operation of opening the

heat insulating doors

4A and 4B.

The heat insulating door 5 is also a double-door, for example, similar to the heat insulating door 4, and includes a pair of

heat insulating doors

5A and 5B. The structures of the

heat insulating doors

5A and 5B and the center pillar 6 are explained with reference to the heat insulating door 4, and the explanation thereof is omitted here. In the following description, the heat insulating door 5 may be described as the

heat insulating doors

5A and 5B.

The first heat-insulating door corresponds to the heat-insulating door 4, and the second heat-insulating door corresponds to the heat-insulating door 5, but the other way around may be adopted. The split doors on one side correspond to the

heat insulating doors

4A and 5A, and the split doors on the other side correspond to the

heat insulating doors

4B and 5B.

As shown in fig. 1(B), the heat-insulating box 2 includes: a steel plate outer case 7 having a front surface opening and a rear surface opening; and a synthetic resin inner case 8 having a front opening and a rear opening and disposed with a gap in the outer case 7. A heat insulating material 9 made of foamed polyurethane is filled in a gap between the outer box 7 and the inner box 8 and foamed. The

heat insulation doors

4 and 5 also have the same heat insulation structure as the heat insulation box 2.

As described above, the storage chamber 3 is open in the front-rear direction thereof, and is surrounded by the inner box 8 in the left-right direction thereof. A cooling chamber 11 is disposed inside the inner box 8 on the right side of the storage chamber 3 and in front of the side wall 2R of the heat-insulating box 2, and the cooling chamber 11 is partitioned by a partition member 10 made of a synthetic resin plate or the like. An evaporator 12 is disposed in the cooling compartment 11 to cool air circulating in the storage compartment 3.

An air blowing port 14 formed by partially opening the upper portion of the partition member 10 is formed in the upper portion of the cooling compartment 11, and the storage compartment 3 and an air supply duct 13 described later are connected via the air blowing port 14. A blower 15, which is an axial flow blower, for example, is disposed in the cooling chamber 11 near the air outlet 14. On the other hand, a return port 16 formed by partially opening the lower part of the partition member 10 is formed in the lower part of the cooling chamber 11, and the storage chamber 3 and the cooling chamber 11 are connected via the return port 16.

The supply air duct 13 is disposed inside the inner box 8 so as to extend in the left-right direction along the upper surface side of the storage chamber 3, and is partitioned from the storage chamber 3 by a duct cover 17 which is a partition member made of a synthetic resin plate.

An equipment chamber 19 is formed in the lower portion of the left side of the refrigerator 1 and on the back side of the left side wall 2L of the storage chamber 3. The equipment chamber 19 is surrounded by an equipment chamber cover 18 covering the left side surface of the heat insulating box 2, and the like. That is, the equipment chamber 19 is formed to face the cooling chamber 11 with the storage chamber 3 interposed therebetween. The compressor 20, two blowers 47 and 48 (see fig. 3 a) and the like, which will be described later, are disposed in the equipment chamber 19, and a plurality of slit-shaped ventilation openings (not shown) are formed in the equipment chamber cover 18, for example, in the vertical direction thereof.

A plate-like condenser 21 is disposed on the bottom surface of the heat-insulating box 2 so as to extend from the center of the storage chamber 3 to below the right side wall 2R. Condenser 21 is disposed so as to cover the lower portion of cooling chamber 11, and thus water stored in an evaporation pan (not shown) is evaporated by the heat of condenser 21. As shown in fig. 5(B), condenser 21 is also disposed below

heat insulation doors

4B and 5B. Further, since the condenser 21 is disposed below the

heat insulating doors

4B and 5B and heat radiation from the condenser 21 is used, condensation on the

heat insulating doors

4B and 5B can be prevented without disposing heaters for preventing condensation on the

heat insulating doors

4B and 5B. Further, condensation of the

heat insulating doors

4B and 5B is prevented not only by heat radiation from the condenser 21 but also by a pipe structure, a refrigerant pipe, or the like in the heat insulating box 2.

The evaporator 12 is connected to a compressor 20, a condenser 21, and a capillary tube or an expansion valve, not shown, via refrigerant pipes, and constitutes a vapor compression refrigeration cycle. Further, isobutane (R600a) is used as the refrigerant of the refrigeration cycle, for example.

A control chamber 22 is formed on the rear side of the left side wall 2L of the storage chamber 3 at the upper portion of the left side of the refrigerator 1. The control chamber 22 is disposed above the equipment chamber 19, and is surrounded by the equipment chamber cover 18, the heat insulating box 2, and the like, which cover the left side surface of the heat insulating box 2. A control board 23 is disposed in the control room 22, and the control board 23 executes predetermined arithmetic processing based on input values from sensors such as a temperature sensor, not shown, and controls the respective constituent devices such as the evaporator 12, the compressor 20, and the

blowers

15, 47, and 48. Further, although the description has been given of the case where the left side surface of the heat insulating box 2 is entirely covered with the device chamber cover 18, the device chamber 19 and the control chamber 22 may be covered with different steel plate covers.

The bottom surface of the heat insulating box 2 is connected to a leg portion 24 made of synthetic resin. The leg portion 24 has four legs for forming a gap for heat radiation between the bottom surface of the heat insulation box 2 and the floor surface such as the floor. As described above, although plate-shaped condenser 21 is disposed on the bottom surface of heat-insulating box 2, the heat emitted from condenser 21 drifts in the gap between heat-insulating box 2 and the floor surface, and is diffused in all directions, so that people gathering around refrigerator 1 are less likely to feel uncomfortable due to heat dissipation.

As described above, the cooling compartment 11 and the equipment compartment 19 are respectively disposed on opposite lateral sides of the storage compartment 3, and the storage compartment 3 can be prevented from being disposed offset to one side with respect to the refrigerator 1. On the other hand, the

heat insulation doors

4A and 4B and the

heat insulation doors

5A and 5B are disposed at the same positions with respect to the front opening and the rear opening of the storage chamber 3, respectively. Further, the space of the storage chamber 3 is not greatly biased regardless of which of the

heat insulating doors

4A and 4B and the

heat insulating doors

5A and 5B is opened, and a structure that is easy to use for the user can be realized. In the storage chamber 3, the equipment chamber 19 protrudes slightly from the cooling chamber 11, and the shelf 25 is formed in the protruding region, so that small articles such as seasonings can be stored in the storage chamber 3.

Fig. 2 is an exploded perspective view for explaining the structure of the heat insulating door 4A of the refrigerator 1 according to the embodiment of the present invention. In the following description, the heat insulating door 4A will be described, but the heat insulating door 5A has the same structure, and the description thereof will be omitted here. As described above, the center pillar 6 is attached to the heat insulation door 4A, but this is omitted in the illustration.

As shown in fig. 2, the heat insulation door 4A mainly includes: a front surface plate 31 as a decorative surface, a door frame 32 to which the front surface plate 31 is fixed, a cooling air path member 33 fixed to the door frame 32, a rear surface plate 34 fixed to the door frame 32, and a gasket 35 fixed to the rear surface plate 34.

The front panel 31 is, for example, a steel plate, and has a substantially rectangular shape corresponding to the shape of the heat insulation door 4A. The front surface plate 31 is assembled to the front surface side of the door frame 32 so as to close the opening of the door frame 32.

The door frame 32 is a frame member made of, for example, a synthetic resin, and includes four

side surfaces

32A, 32B, 32C, and 32D in the thickness direction of the heat insulating door 4A. The door frame 32 has a hollow structure, and a plurality of fixing

ribs

36 and 37 for fixing the cooling air path member 33 are formed on the side surface 32C on the bottom surface side of the door frame 32 and the side surface 32D on the center side of the storage compartment 3, respectively.

An opening 38 for heat radiation is formed on the lower end side and the rear side of the side surface 32B on the equipment room 19 (see fig. 1B) side of the door frame 32. Specifically, the opening 38 is formed at a position facing a discharge port 45 (see fig. 3 a) formed in the equipment room 19 in a state where the heat insulation door 4A is closed with respect to the heat insulation box 2 (see fig. 1 a).

An opening 39 for heat radiation is formed on the right end side and the rear side of the side surface 32A on the upper surface side of the door frame 32. As will be described later in detail, the heat generated inside the equipment room 19 is mainly released from the opening 39 to the outside via the cooling air path member 33, and the released heat hits the protruding portion 43 (see fig. 3 a) of the heat insulating box 2 above the heat insulating door 4A and is dispersed and diffused in all directions. To realize this structure, the opening 39 is formed at the following positions: in a state where the heat insulation door 4A is closed with respect to the heat insulation box 2 (see fig. 1 a), it is located opposite to the protruding portion 43 of the heat insulation box 2. In particular, the opening 39 is disposed on the storage chamber 3 side, so that the released heat is easily drifted through the gap between the protruding portion 43 of the heat insulating box 2 and the heat insulating door 4A, and the heat diffusion effect can be easily obtained.

As described above, the heat insulation door 4A is rotatably supported by the heat insulation box 2, and the shaft portions 40 are formed on the same axis on the side surfaces 32A and 32C of the door frame 32. The shaft portion 40 is inserted into a shaft support hole (not shown) formed in the heat insulating box 2, whereby the heat insulating door 4A is supported by the heat insulating box 2.

The heat-dissipation air-passage member 33 is, for example, a synthetic resin hollow member, has a substantially L-shaped cross section, and is disposed along the side surfaces 32C and 32D of the door frame 32. The cooling air passage member 33 is assembled inside the door frame 32, and is fixed to the door frame 32 by a plurality of fixing

ribs

36 and 37.

Openings

33A and 33B are formed at both ends of the cooling air path member 33. Heat-dissipation air-passage member 33 is fixed to door frame 32 such that

openings

33A and 33B are aligned with the positions of

openings

38 and 39 of door frame 32, respectively. With this configuration, the cooling air passage member 33 communicates with the external space, and the opening 33A faces the discharge opening 45 (see fig. 3A) of the equipment room 19 in a state where the heat insulation door 4A is closed with respect to the heat insulation box 2. Then, the heated air sent from the equipment room 19 by the blower 47 (see fig. 3 a) flows into the cooling air duct member 33.

The rear surface plate 34 is, for example, a synthetic resin plate, and has a substantially rectangular shape corresponding to the shape of the heat insulation door 4A. The rear surface plate 34 is assembled to the rear surface side of the door frame 32 so as to close the opening of the door frame 32. Since the rear panel 34 is a surface that closes the storage compartment 3 when the heat insulation door 4A is closed with respect to the heat insulation box 2, a substantially rectangular frame-shaped gasket 35 is attached to the outermost periphery of the rear panel 34.

The gasket 35 is magnetized to the front surface of the peripheral edge portion of the storage compartment 3 of the heat-insulated box 2 and the front surface of the center pillar 6 (see fig. 1 a), thereby achieving the air-tightness of the storage compartment 3. With this configuration, it is possible to suppress the heat from the outside from penetrating into the storage chamber 3 of the refrigerator 1 and to suppress the cold air in the storage chamber 3 from leaking to the outside. As described above, the gap between the front panel 31 and the rear panel 34 of the heat insulating door 4A is filled with a heat insulating material (not shown) made of foamed polyurethane and foamed, thereby realizing a heat insulating structure.

Fig. 3(a) is a diagram for explaining a heat radiation structure of the refrigerator 1 according to the embodiment of the present invention, and is a side sectional view of the refrigerator 1 shown in fig. 1(a) in a direction of line B-B. Fig. 3(B) is a diagram for explaining a heat radiation structure of the refrigerator 1 according to the embodiment of the present invention, and is a side sectional view of the refrigerator 1 shown in fig. 1(a) in a C-C line direction. In fig. 3(a), the

heat insulating doors

4 and 5 are not shown for convenience of explanation.

As shown in fig. 3(a), the heat dissipation structure of the present embodiment includes at least: release

ports

45 and 46 provided in the equipment room 19;

blowers

47 and 48 inside the equipment room 19; and cooling air path members 33 respectively built in the

heat insulating doors

4A and 5A.

The heat insulating box 2 is disposed on the upper surface side of the refrigerator 1, the outer box 7 of the heat insulating box 2 serves as the surface of the top table 2A, and the heat insulating box 2 also functions as the top table 2A. As indicated by the circle marks 41 and 42, a part of the heat insulating box 2 protrudes outward from the storage chamber 3 in the front-rear direction of the refrigerator 1. The protruding

portions

43 and 44 of the heat insulation box 2 extend in the left-right direction of the refrigerator 1, and are not shown, but the

heat insulation doors

4 and 5 are disposed below the protruding portions 43 and 44 (see fig. 1 a).

The device chamber 19 (see fig. 1B) is formed below the protruding

portions

43 and 44, and the device chamber cover 18 is bent below the protruding

portions

43 and 44, thereby forming a space of the device chamber 19. Further, the device chamber cover 18 below the protruding

portions

43 and 44 is formed with

release ports

45 and 46, respectively, for releasing air heated by the heat generated in the device chamber 19. As described above, the equipment chamber 19 is disposed in the lower portion on the left side of the refrigerator 1 in the front-rear direction of the refrigerator 1, and the

blowers

47 and 48 are disposed in the front-rear direction end portions inside the equipment chamber 19 as indicated by broken lines. Then, the air heated by the heat generated in the equipment room 19 is discharged to the outside through the

discharge ports

45 and 46 by the operation of the

blowers

47 and 48. That is, in the equipment chamber 19, the

blowers

47 and 48 are also operated in conjunction with the operation of the compressor 20, and release heat generated inside the equipment chamber 19 to the outside.

Fig. 3(B) shows a cross section of the arrangement region of the discharge opening 45 of the equipment room 19 and the heat-dissipation air-path member 33 of the heat-insulating door 4A as the arrangement region of the protrusion 43. In addition, the compressor 20 inside the equipment chamber 19 and the control board 23 inside the control chamber 22 are not shown. As described above, the opening 33A and the opening 38 substantially coincide with each other, and the same opening is illustrated, and similarly, the opening 33B and the opening 39 substantially coincide with each other.

As shown in the drawing, a blower 47 is disposed at the front end of the equipment room 19. As the blower 47, for example, a Direct Current (DC) blower fan can be used, and air is sucked from a side surface of the blower 47 and wind with good straightness is sent forward. As shown in fig. 3(a), the

blowers

47, 48 are disposed at the front and rear ends of the equipment room 19 located below the

projections

43, 44, respectively, and thereby the air inside the equipment room 19 is released to the outside of the equipment room 19 through the

release ports

45, 46. The air inside the equipment room 19 is heated by heat generated by the operation of the compressor 20 and the like, and the heated air is released, whereby the heat inside the equipment room 19 is also released.

The blower 47 is disposed inside the device chamber 19 such that the discharge port 47A of the blower 47 coincides with the position of the discharge port 45 of the device chamber cover 18. In a state where the heat insulation door 4A is closed with respect to the heat insulation box 2, the opening 38 of the door frame 32 faces the release port 45 of the device chamber cover 18. With this configuration, as indicated by arrow 49, the heated air discharged from the equipment room 19 by the blower 47 flows into the cooling air path member 33 and is discharged to the outside from the opening 39 of the door frame 32 on the upper surface of the heat insulating door 4A.

At this time, as indicated by the circle mark 50, the cooling air path member 33 has a right-angled corner portion 33C bent at a right angle to correspond to the corner portion of the heat insulating door 4A. As described above, since the heated air is jetted straight and vigorously by the blower 47, the jetted air collides with the side wall of the right-angled corner 33C and flows mostly upward, and a part of the jetted air returns to the blower 47 side. With this configuration, the flow of the heated air from the right-angled corner portion 33C toward the upper side is moderated, and the heated air is released from the opening 39 in a state where the temperature thereof is lower than the inside of the equipment room 19.

The air heated upward from the right-angled corner 33C is released from the opening 39 in a slow flow state. As indicated by arrow 51, most of the heated air released from opening 39 collides with the lower surface of protrusion 43, and the flow thereof further slows down. The heated air gradually flows to the outside of the refrigerator 1 while being dispersed and diffused in all directions in the gaps between the protruding portions 42 and the

heat insulating doors

4A and 4B.

That is, the heated air inside the equipment room 19 is dispersed and released from the front-rear direction of the refrigerator 1, and further dispersed and diffused in all directions at the opening 39. The temperature of the heated air discharged from the opening 39 is lower than that of the inside of the equipment room 19. According to the release state, even if a person sits near the

heat insulation doors

4A and 4B, the released heated air hardly feels uncomfortable, and the person can gather so as to surround the refrigerator 1.

On the other hand, as described above, the flow of the heated air is slowed down when the air moves upward from the right-angled corner portion 33C, and the time for the heated air to accumulate inside the cooling air passage member 33 increases. With this configuration, the cooling air path member 33 functions as a heater, and condensation on the heat insulating door 4A can be prevented without disposing a heater for preventing condensation on the heat insulating door 4A. In particular, since cooling air path member 33 is disposed along the grip portion of heat insulating door 4A, the effect of the heater for preventing condensation is increased.

Fig. 4(a) is a schematic plan view for explaining the supply air passage 13 of the refrigerator 1 according to the embodiment of the present invention. Fig. 4(B) is a diagram for explaining the flow of cold air in the refrigerator 1 according to the embodiment of the present invention, and is a side sectional view in the direction of line D-D of the refrigerator 1 shown in fig. 4 (a).

As shown in fig. 4(a), the duct cover 17 is disposed on the inner box 8 on the upper surface of the storage compartment 3, and is formed to separate the supply air duct 13 from the storage compartment 3. The region surrounded by the broken line 61 shows the approximate outer shape of the storage chamber 3, and the longitudinal direction of the storage chamber 3 is the left-right direction of the refrigerator 1. As described above, the refrigerator 1 can also be used as a table, and since family members gather around them and a space for placing foods and the like corresponding to the number of people is required, the refrigerator 1 is in a rectangular parallelepiped shape that is long in the left-right direction.

On the other hand, the cooling compartment 11 is located near the right end of the refrigerator 1, and its longitudinal direction is the front-rear direction of the refrigerator 1. The supply air duct 13 extends in the left-right direction of the refrigerator 1 to circulate the cool air cooled in the cooling compartment 11 and cool the storage compartment 3. Specifically, the supply air passage 13 includes: a first supply air passage 13A connected to the cooling compartment 11 via a baffle 62 and extending in the longitudinal direction of the refrigerator 1; and two second

supply flow passages

13B, 13C branched from the first supply flow passage 13A.

The first supply air passage 13A is connected to the cooling compartment 11 via the baffle 62, and is disposed in the central region of the storage compartment 3 toward the equipment compartment 19. Further, with the configuration in which the discharge port is not formed in the first supply flow path 13A, when the baffle 62 is in the open state, the cold air flowing from the cooling compartment 11 into the first supply flow path 13A is sent to the equipment room 19 side via the first supply flow path 13A.

The second

supply air passages

13B, 13C are branched from the first supply air passage 13A in the front-rear direction of the storage compartment 3 near the equipment compartment 19 side, and are arranged to extend toward the cooling compartment 11 side along the opening in the front-rear direction of the storage compartment 3. Three

discharge ports

63, 64, 65, 66, 67, and 68 are formed on the opening sides of the second

supply air passages

13B and 13C in the front-rear direction of the storage chamber 3, respectively.

With this configuration, first, the cold air supplied from cooling compartment 11 is sent to the side surface of storage compartment 3 opposite to cooling compartment 11 by first supply air passage 13A. Then, the cold air is supplied from the equipment compartment 19 side toward the cooling compartment 11 side to the entire interior of the storage compartment 3 through the discharge ports 63 to 68 of the second

supply air passages

13B and 13C in this order.

As shown in fig. 4(B), three discharge ports 66 to 68 are formed on the side surface of the second supply air passage 13C and on the front surface opening side of the storage chamber 3. As described above, the cold air supplied from cooling compartment 11 is sequentially supplied from discharge ports 66 to 68 to the inside of storage compartment 3. At this time, the cold air supplied from discharge ports 66 to 68 is mainly blown toward heat insulation door 4A and then flows down storage chamber 3 along heat insulation door 4A. The cold air supplied from the discharge ports 66 to 68 is sucked into the cooling chamber 11 through the return port 16 of the partition member 10 of the cooling chamber 11. The return port 16 is opened to extend over a long distance in the front-rear direction of the storage chamber 3, and thereby, cold air can be taken in from the entire storage chamber 3, and a structure in which cold air is efficiently supplied to the entire storage chamber 3 without being biased is realized. The configuration of the second supply flow path 13B is also the same as that of the second supply flow path 13C, and the description thereof is omitted here.

The storage chamber 3 is open in the front-rear direction, and the

heat insulating doors

4 and 5 are disposed in the front-surface opening and the rear-surface opening (see fig. 1 a), respectively, so that the user can use the storage chamber 3 from either side of the storage chamber 3 in the front-rear direction by opening and closing the

heat insulating doors

4 and 5. When the user opens the heat-insulating

doors

4 and 5, the cool air supplied from the discharge ports 63 to 68 also functions as an air curtain, and the temperature inside the storage chamber 3 can be prevented from rapidly rising due to the opening and closing operation of the heat-insulating

doors

4 and 5.

Fig. 5(a) is a schematic plan view for explaining the interior lighting of the refrigerator 1 according to the embodiment of the present invention. Fig. 5(B) is a diagram for explaining the interior lighting of the refrigerator 1 according to the embodiment of the present invention, and is a side sectional view of the refrigerator 1 shown in fig. 5(a) in the direction of line E-E.

As shown in fig. 5(a), the region surrounded by the broken line 61 shows the approximate outer shape of the storage chamber 3. As described above, the heat insulating doors 4 and 5 (see fig. 1 a) are side-by-side doors, and the front surface opening and the rear surface opening of the storage chamber 3 are largely opened in the left-right direction of the refrigerator 1. The

interior illuminators

71, 72 are disposed along the front opening and the rear opening of the storage room 3, respectively, at the front end and the rear end of the inner box 8 on the upper surface of the storage room 3 in the storage room 3. The

cabinet lighting

71, 72 is LED lighting, for example.

As shown in fig. 5(B), the

interior illuminations

71, 72 are configured such that, for example, LED fluorescent lamps are arranged in a reflection frame having a substantially triangular cross section, and the

interior illuminations

71, 72 irradiate the interior of the storage chamber 3 from above to below the storage chamber 3 and irradiate the interior of the storage chamber 3 from the near side to the far side of the storage chamber 3. With this configuration, the food stored in the storage chamber 3 is shaded toward the back side of the storage chamber 3, and it is difficult to shade toward the front surface opening and the rear surface opening, so the inside of the storage chamber 3 is bright, and the food and the like in the storage chamber 3 can be easily seen.

In the present embodiment, the case where the

heat insulating doors

4 and 5 are disposed in the front opening and the rear opening of the refrigerator 1 is described, but the present invention is not limited to this case. For example, in the case where the refrigerator 1 is provided with only the front opening and the heat insulating door 4 is disposed in the front opening, the above-described configuration can also achieve the dispersion and diffusion effects of heat radiation in the same manner and efficiently supply cold air to the storage chamber 3.

Note that, although the case where the heaters for preventing dew condensation are not disposed in the

heat insulating doors

4A and 4B and the

heat insulating doors

5A and 5B has been described, the present invention is not limited to this case. For example, the

heat insulating doors

4A and 5A at least having the heat-dissipation air-path member 33 formed thereon may be provided with heaters for preventing dew condensation without arranging them, or the

heat insulating doors

4B and 5B may be provided with heaters for preventing dew condensation. In addition, various modifications can be made without departing from the scope of the present invention.

Claims

1. A refrigerator is characterized by comprising:

a heat-insulating box body, which is provided with a storage chamber; a heat insulating door that closes an opening of the storage chamber in an openable and closable manner; an equipment room formed on a side of the heat insulation box body; and a protruding portion of the heat insulating box body formed above an arrangement region of the heat insulating door,

still have the heat radiation structure, include:

a release port formed at a side of the apparatus chamber; a blower disposed near the discharge port and configured to send out air in the equipment room; and a cooling air path member formed in the heat insulating door, having both ends opened, having a right-angled corner portion bent at a right angle to correspond to the corner portion of the heat insulating door, and allowing air in the equipment room to flow therein by the blower,

in a state where the heat insulating door is closed, an opening portion of the heat dissipation air path member on one end side of the heat dissipation structure faces the release opening, an opening portion of the heat dissipation air path member on the other end side faces the protrusion, and the air released from the heat dissipation air path member hits the protrusion,

the cooling air path member is disposed along a side surface of the heat insulating door from a bottom surface of the heat insulating door via the right-angled corner portion.

2. The refrigerator according to claim 1, wherein:

the storage compartment is formed to penetrate the heat-insulated box in one direction, and the heat-insulated door includes: a first heat insulating door that closes one opening of the storage chamber in an openable and closable manner; and a second heat-insulating door which closes the other opening of the storage chamber in an openable and closable manner,

the first heat-insulating door and the second heat-insulating door are each a split door, and the cooling air path member is formed for each of the split doors of the first heat-insulating door and the second heat-insulating door.

3. The refrigerator according to claim 2, wherein:

the cooling air path member is disposed to extend from a bottom surface of the one of the split doors along a side surface on a central side,

the first heat insulating door and the second heat insulating door are not provided with a heater for preventing condensation.

4. The refrigerator according to claim 2, wherein:

a cooling chamber is disposed in the heat insulating box so as to face the equipment chamber with the storage chamber interposed therebetween, and a condenser is disposed on a bottom surface of the heat insulating box so as to cover at least a lower portion of the other of the cooling chamber, the first heat insulating door, and the second heat insulating door.

5. The refrigerator according to claim 3, wherein:

6. The refrigerator of claim 4, wherein:

a supply air passage for connecting the storage chamber and the cooling chamber above the storage chamber and allowing cold air cooled in the cooling chamber to flow is formed in the heat insulating box,

the supply air path includes: a first supply air passage extending from the cooling chamber side toward the equipment chamber side of the storage chamber; and a pair of second supply air passages branched from the first supply air passage and returning to the cooling chamber side along the one opening and the other opening of the storage chamber, respectively, and a plurality of discharge ports are formed in each of the second supply air passages.

7. The refrigerator according to claim 5, wherein:

8. The refrigerator according to any one of claims 2 to 7, wherein:

in the heat insulating box, cabinet lighting is disposed in the vicinity of an end of the one opening and in the vicinity of an end of the other opening of the storage room.