refrigerator

Abstract

To provide a refrigerator capable of actualizing rapid cooling with cool air suppressed in the pressure loss thereof.SOLUTION: A refrigerator 10 comprises: a blower fan 32 arranged behind a freezing chamber 13 (a first storage chamber) and capable of blowing cool air to the freezing chamber 13 and a refrigeration chamber (a second storage chamber); and a partition wall 17 partitioning the freezing chamber 13 and the blower fan 32, wherein the partition wall 17 has an opening portion (a first opening portion 38 and delivery ports 42, 51) communicated with the inside of a fan casing 35 of the blower fan 32, and wherein the refrigerator 10 comprises a container 18 which is disposed on the side opposite to the blower fan 32 with the opening portion interposed between the blower fan 32 and the container 18 and functions as a rapid cooling chamber with cool air passing through the opening portion.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present disclosure relates to refrigerators. [Background technology]

[0002] Patent Document 1 discloses a refrigerator having a refrigerator body having an outer box and an inner box, a refrigerator compartment provided at the top of the refrigerator body, a vegetable compartment provided at the bottom of the refrigerator body, a freezer compartment provided between the vegetable compartment and the refrigerator compartment, a storage compartment back member provided at the back of the freezer compartment, a cooler cover provided behind the storage compartment back member, a cooler compartment provided between the cooler cover and the inner box, a cooler provided in the cooler compartment, a defrost heater provided below the cooler, and a freezer compartment return port provided at the bottom of the storage compartment back member and communicating between the freezer compartment and the cooler compartment. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2010-060188 Summary of the Invention [Problem to be solved by the invention]

[0004] The present disclosure provides a refrigerator that can achieve rapid cooling using cold air with reduced pressure loss. [Means for solving the problem]

[0005] The refrigerator according to the present disclosure includes at least a first storage compartment and a second storage compartment, a blower fan disposed rearward of the first storage compartment and capable of blowing cool air to the first storage compartment and the second storage compartment, and a partition wall separating the first storage compartment from the blower fan, the partition wall having an opening communicating with the inside of a fan casing of the blower fan, and a rapid cooling compartment on the opposite side of the opening from the blower fan that can be rapidly cooled by the cool air passing through the opening.The blower fan is attached to one surface of the partition wall, and the opening is provided on the surface of the partition wall on which the blower fan is attached, and is formed along an arc with the center of rotation of the blower fan as a reference. It is characterized by: [Effects of the Invention]

[0006] The refrigerator according to the present disclosure can send the cold air in the fan casing of the blower fan directly into the rapid cooling chamber, thereby realizing rapid cooling with the cold air with reduced pressure loss. [Brief explanation of the drawings]

[0007] [Figure 1] 1 is a longitudinal sectional view of a refrigerator according to a first embodiment. [Figure 2] FIG. 1 is a rear view showing a cooling chamber and a duct according to the first embodiment. [Figure 3] FIG. 1 is a rear view showing a blower fan portion together with a peripheral configuration according to the first embodiment. [Figure 4] FIG. 1 is a cross-sectional view showing a blower fan portion according to the first embodiment. [Figure 5] FIG. 1 is a rear view of a blower fan portion according to the first embodiment, seen from the cooling chamber side. [Figure 6] FIG. 1 is a front view of a blower fan portion according to the first embodiment, viewed from the freezer compartment side. [Figure 7] FIG. 10 is a rear view showing the first partition plate as seen from the cooling chamber side in the first embodiment. [Figure 8] FIG. 1 is an exploded perspective view of a first partition plate and a blower fan according to the first embodiment, as viewed from the cooling chamber side; [Figure 9] FIG. 1 is an exploded perspective view of a first partition plate and a second partition plate portion according to the first embodiment, as viewed from the cooling chamber side; [Figure 10] FIG. 1 is an exploded perspective view of a first partition plate and a second partition plate portion according to the first embodiment, as viewed from the freezer compartment side. DETAILED DESCRIPTION OF THE INVENTION

[0008] (Findings that formed the basis of this disclosure) At the time the inventors came up with the idea for the present disclosure, there was a technology in place to supply cool air to a refrigerator compartment, a vegetable compartment, and a freezer compartment, which involved using a diverter or a flap downstream of the fan casing of the blower fan.

[0009] However, conventional technologies tend to require long paths for supplying cool air from the blower fan to each room, which is disadvantageous in reducing pressure loss of the cool air. On the other hand, rapid cooling requires supplying cool air at high static pressure. Therefore, the present disclosure provides a refrigerator capable of rapid cooling with cold air with reduced pressure loss by directly supplying cold air in a fan casing of a blower fan to a rapid cooling chamber.

[0010] Hereinafter, embodiments will be described in detail with reference to the drawings. However, in some cases, more detailed explanation than necessary may be omitted. For example, detailed explanation of already well-known matters or redundant explanation of substantially the same configuration may be omitted. The accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

[0011] (Embodiment 1) Hereinafter, the first embodiment will be described with reference to the drawings. [1-1.Configuration] FIG. 1 is a vertical cross-sectional view of a refrigerator in a first embodiment. FIG. 2 is a rear view showing a cooling compartment and a duct. FIG. 3 is a rear view of the blower fan portion together with the surrounding configuration, viewed from the cooling compartment side. FIG. 4 is a cross-sectional view showing the blower fan portion. FIG. 5 is a rear view of the blower fan portion, viewed from the cooling compartment side. FIG. 6 is a front view of the blower fan portion, viewed from the freezer compartment side. FIG. 7 is a rear view of the first partition plate, viewed from the cooling compartment side. FIG. 8 is an exploded perspective view of the first partition plate and the blower fan, viewed from the cooling compartment side. FIG. 9 is an exploded perspective view of the first partition plate and the second partition plate portion, viewed from the cooling compartment side. FIG. 10 is an exploded perspective view of the first partition plate and the second partition plate portion, viewed from the freezer compartment side.

[0012] As shown in Fig. 1, refrigerator 10 has a box-shaped housing 11 with an open front. A refrigerating compartment 12 with a temperature of about 2°C to 4°C is formed in the upper part of housing 11 as a second storage compartment, and a freezing compartment 13 with a temperature of about -18°C is formed in the lower part of housing 11 as a first storage compartment. Between refrigerating compartment 12 and freezing compartment 13, a low-temperature compartment 60 with a temperature of about -5°C to 1°C is formed as a third storage compartment. In the refrigerator 10, a side-opening door 14 is provided at the opening on the front of the refrigeration compartment 12 so as to be able to open and close freely. A side-opening door 61 is provided at the opening on the front of the freezer compartment 13 so as to be able to open and close freely, and a drawer case 15 for storing food is provided inside. In addition, a drawer door 62 is provided at the opening on the front of the low-temperature compartment 60 so as to be able to open and close freely, and a drawer case 63 is provided which is linked to the opening and closing of the drawer door 62.

[0013] 2 to 10, a cooling compartment 20 is provided on the rear side of the freezer compartment 13 of the refrigerator 10. A duct 21, which is located on the rear side of the refrigerator compartment 12 and communicates in the vertical direction, is connected above the cooling compartment 20. The duct 21 is provided with a refrigerating air outlet (not shown) that communicates with the refrigerating compartment 12 . A heat insulating wall 64 is provided between the freezing compartment 13 and the low-temperature compartment 60. A cold air passage 64a is formed in the heat insulating wall 64, connecting the cooling compartment 20 with the duct 21. This allows the cold air generated in the cooling compartment 20 to be introduced into the duct 21 via the cold air passage 64a.

[0014] As shown in FIGS. 2 and 3, the cold air passage 64a is provided with a twin damper 65 for adjusting the amount of cold air flowing into the refrigerating compartment 12 and the low-temperature compartment 60. 2, the twin damper 65 includes a low temperature compartment damper 65a as a third storage compartment damper and a refrigerator compartment damper 65b as a first storage compartment damper, which are arranged adjacent to each other in the left-right width direction of the refrigerator 10. The low temperature compartment damper 65a and the refrigerator compartment damper 65b are controlled in accordance with the room temperatures of the low temperature compartment 60 and the refrigerator compartment 12, respectively, and independently open and close the dampers to adjust the amount of cold air to the low temperature compartment 60 and the refrigerator compartment 12.

[0015] A first partition plate 30 is provided on the front side of the cooling compartment 20. A second partition plate 40 is provided on the back side of the freezing compartment 13. A cold air passage 41 is formed between the first partition plate 30 and the second partition plate 40. An inclined surface 31 is formed on the upper part of the first partition plate 30, inclined so as to move away from the second partition plate 40 as it goes upward. A blower fan 32 is attached to the back side of the inclined surface 31. The first partition plate 30 and the second partition plate 40 form a partition wall 17 that separates the freezer compartment 13 from the blower fan 32 .

[0016] The blower fan 32 is a type of fan that is classified as a blower fan. Blower fans also include axial fans. Generally, axial fans have rotating blades attached to the center of the frame, and are configured to draw air in from the front of the rotating blades and blow it out the rear. Conventional refrigerators often use axial fans to circulate cool air.

[0017] In contrast, blower fan 32 includes a fan unit 34 with rotating blades 33 and a fan casing 35 that covers rotating blades 33, and is configured to draw air in from the front of rotating blades 33 and blow it out the side (corresponding to the upper side in FIG. 5) of rotating blades 33. Fan casing 35 is formed into a casing shaped along an involute curve based on the center of rotation C1 of rotating blades 33, in other words, is formed into a substantially spiral casing.

[0018] As the rotating blades 33 rotate, the wind flows radially from the center of rotation C1 and along the inner surface of the fan casing 35, causing the wind to blow out from an opening provided on the side of the fan casing 35 (which in this embodiment corresponds to the second opening 36 provided above). Generally, the blower fan 32 can easily obtain a higher static pressure than an axial fan of the same size. Also, the number of rotating blades 33 of the blower fan 32 is generally greater than the number of rotating blades of an axial fan, which also makes it easier to obtain a high static pressure.

[0019] 3 and 5, the fan casing 35 is formed in a generally spiral shape with the distance from the rotation center C1 gradually increasing in the clockwise direction. A second opening 36 that communicates with the lower end of the cool air passage 64a is formed at the top of the fan casing 35. A cool air intake 37 that takes cool air from the cooling chamber 20 into the fan unit 34 is formed in the center of the fan casing 35 facing the rotation axis of the blower fan 32.

[0020] 3, fan casing 35 expands from its top toward both sides and is connected to connecting part 70 via second opening 36. Connecting part 70 forms a cold air passage that is connected to low-temperature compartment damper 65a and refrigerator compartment damper 65b. The low-temperature room damper 65a is arranged at a position corresponding to the downstream outer periphery of the fan casing 35, and the refrigerator room damper 65b is arranged at a position corresponding to the downstream inner periphery of the fan casing 35. Therefore, of the airflow blown out from the fan casing 35, the airflow flowing on the downstream outer periphery of the fan casing 35 is supplied to the low-temperature room 60 via the low-temperature room damper 65a, and the airflow flowing on the downstream inner periphery of the fan casing 35 is supplied to the refrigerator room 12 via the refrigerator room damper 65b.

[0021] By driving the fan unit 34 to rotate the rotary blades 33, the cool air in the cooling chamber 20 is drawn into the fan unit 34 through the cool air intake 37 of the fan casing 35 and is blown out from the outer periphery of the fan unit 34 into the inside of the fan casing 35. The cool air blown out into the inside of the fan casing 35 is guided along the fan casing 35 and sent to the duct 21 from the second opening 36 via the cool air passage 64a.

[0022] An evaporator 22 is installed below the blower fan 32 in the cooling compartment 20. A compressor 23 is disposed at the rear upper portion of the refrigerator compartment 12. The compressor 23, a condenser (not shown), an expansion mechanism, and the evaporator 22 are connected by refrigerant piping to form a refrigeration cycle. Then, by discharging the refrigerant from the compressor 23, the evaporator 22 exchanges heat between the refrigerant and the air inside the cooling chamber 20, and cool air is generated inside the cooling chamber 20.

[0023] First openings 38 (indicated by reference numerals 38a, 38b, and 38c in FIGS. 7 to 9) are formed in the first partition plate 30 at positions corresponding to the fan casing 35, and are generally arc-shaped along the fan casing 35. The first openings 38a-38c are shaped along an arc based on the rotation center C1, and three first openings are formed in this embodiment.

[0024] 7 to 9, the first openings 38a, 38b, and 38c are formed in this order from the upstream side of the airflow generated by the blower fan 32. Hereinafter, when the first openings 38a-38c are to be distinguished from one another, they will be referred to as the upstream first opening 38a, the midstream first opening 38b, and the downstream first opening 38c, respectively. The opening areas of the first upstream opening 38a, the first midstream opening 38b, and the first downstream opening 38c are each formed so that the opening width gradually increases from the upstream side to the downstream side of the airflow. Also, the opening areas of the first upstream opening 38a, the first midstream opening 38b, and the first downstream opening 38c are formed so that they successively increase from the upstream side. This ensures efficient cooling by ensuring the volume of airflow to freezer compartment 13. Note that, as long as the volume of airflow can be ensured, at least only upstream first opening 38a may be configured to gradually increase in size.

[0025] 7, the spaces between the three first openings 38a-38c are fan mounting sections 39 for mounting the fan units 34 to the first partition plate 30. Each of the fan mounting sections 39 is formed with a recess 39a. As shown in Fig. 8, the fan unit 34 is formed with three fan support portions 34a that protrude outward at equal angular intervals (120-degree intervals in this embodiment). The fan support portions 34a have vibration-isolating rubber and are fixed to recesses 39a formed in the first partition plate 30 via the vibration-isolating rubber. This allows the fan unit 34 to be elastically supported at three points by the first partition plate 30. Note that although screws 66 are used to fix the first partition plate 30 to the first partition plate 30, a method that does not use screws 66 may also be used.

[0026] By attaching the blower fan 32 to the inclined surface 31 of the first partition plate 30, the rotation axis L1 (FIG. 4) of the blower fan 32 is arranged at an incline. This causes the blower fan 32 to blow cool air from the first opening 38 in an upward and forward direction, facilitating convection of the cool air.

[0027] Further, the second partition plate 40 is provided with a molded heat insulating material 50 made of, for example, polystyrene foam or the like, in close contact with the second partition plate 40. Similar to the first partition plate 30, the second partition plate 40 and the molded insulating material 50 are each formed with three discharge ports 42, 51 at positions corresponding to the first opening 38 of the first partition plate 30. These discharge ports 42, 51 are arranged so that at least a portion of them overlaps with the first opening 38 in a front view. In addition, a plurality of (three in this embodiment) second discharge ports 43, 52 are formed below the discharge ports 42, 51 of the second partition plate 40 and the molded heat insulating material 50. The second discharge ports 43, 52 communicate between the freezing chamber 13 and the cold air passage 41.

[0028] A circular rotary disk 44 that closes each of the discharge ports 42 is rotatably attached to the second partition plate 40 at the discharge port 42 portion. The rotary disc 44 is formed with a disc opening 45 that corresponds to the discharge outlet 42 and has approximately the same shape as the discharge outlet 42. An operation knob 46 is provided in the center of the rotary disc 44, and by operating the operation knob 46, the rotary disc 44 can be rotated.

[0029] That is, if the rotating disk 44 is positioned so that the discharge port 42 and the disk opening 45 are aligned, the cold air from the cooling chamber 20 flows directly into the freezing chamber 13 via the first opening 38. Also, by rotating the rotating disk 44 and shifting the positions of the discharge port 42 and the disk opening 45 to reduce the opening area, it is possible to reduce the amount of cold air flowing in from the first opening 38.

[0030] In this embodiment, as shown in FIG. 10, a container 18 that defines a rapid cooling chamber is provided on the opposite side of the blower fan 32, across an opening (first opening 38 and discharge ports 42, 51) that penetrates the partition wall 17. As shown in Fig. 1, container 18 is formed in a size and shape that allows it to be placed in the space above drawer case 15 in freezer compartment 13. More specifically, as shown in Fig. 10, container 18 is formed in a polygonal (quadrilateral in this embodiment) cylindrical shape that extends in the front-to-rear direction of refrigerator 10. When viewed from the front of the refrigerator, container 18 surrounds all of the outlets 42 of second partition plate 40, and cool air blowing out from outlets 42 flows directly into container 18.

[0031] Since the container 18 has a cylindrical shape that extends in the front-to-rear direction of the refrigerator 10, the operation knob 46 of the rotating disk 44 can be accessed from the front of the container 18. When the container 18 is removed, the operation knob 46 allows easy access. By operating the operation knob 46, the amount of cool air flowing into the container 18 can be adjusted.

[0032] 1 and 10, a drawer case 15 is provided on the bottom of freezer compartment 13 so as to be able to be pulled out in the front-to-rear direction of refrigerator 10, and a shelf 19 is provided on top of this drawer case 15. The container 18 is provided in the space between the shelf 19 and the ceiling of freezer compartment 13. Therefore, the cold air that flows in from first opening 38 flows into container 18 and then flows out from the front opening of container 18, cooling the shelf 19 and the internal space of drawer case 15.

[0033] This container 18 is formed from a metal plate such as an aluminum alloy, and can accommodate food to be cooled inside this container 18. The food is, for example, ingredients such as vegetables, meat, and fish, and processed foods such as frozen foods. By making the container 18 out of a metal with high thermal conductivity, the container 18 and the interior of the container 18 can be efficiently cooled by the cold air that flows directly in from the inside of the fan casing 35 of the blower fan 32.

[0034] From the viewpoint of rapidly cooling the food in container 18, it is preferable that the entire inner surface or the bottom surface of container 18 be made of metal, but this is not limited thereto, and it is sufficient that at least a portion of the inner surface of container 18 be made of metal. Furthermore, as long as the inside of container 18 can be sufficiently cooled, container 18 may be made of a material other than metal, for example, a resin material. Furthermore, the shape of container 18 is not limited to being formed into a cylindrical shape with an open front, and it may be formed into other shapes.

[0035] [1-2. Operation, etc.] Next, the operation of the refrigerator 10 in the first embodiment will be described. In this embodiment, the compressor 23 is driven to circulate the refrigerant through the refrigerant circuit, and the evaporator 22 exchanges heat with the air inside the cooling chamber 20, thereby generating cool air. Then, by driving the blower fan 32, the cool air inside the cooling chamber 20 is taken in through the cool air intake 37 and blown out to the fan casing 35. A portion of the cold air blown out to the fan casing 35 is sent from the second opening 36 toward the duct 21, and the air volume is controlled by the refrigerator compartment damper 65b of the twin damper 65 to cool the refrigerator compartment 12, and the air volume is controlled by the low temperature compartment damper 65a to cool the low temperature compartment 60.

[0036] In this configuration, the airflow blown out from the fan casing 35 flows relatively more toward the low-temperature room damper 65a due to centrifugal force, and the amount of air flowing toward the low-temperature room damper 65a is greater than that toward the refrigerator room damper 65b, thereby improving the cooling efficiency in the low-temperature room 60. Furthermore, part of the cool air blown out to the fan casing is sent to the cool air passage 41 through the first opening . A portion of the cold air sent to the cold air passage 41 is sent directly into the container 18 from the outlets 42, 51 of the second partition plate 40 and the molded insulation material 50. The cold air sent into the container 18 is also discharged from the front opening of the container 18 and sent to the shelf 19 in the freezer compartment 13 and the internal space of the drawer case 15. The remainder of the cold air sent to the cold air passage 41 is sent from the second outlets 43, 52 to the internal space of the drawer case 15, cooling the internal space of the drawer case 15, etc.

[0037] In this configuration, the first opening 38 and the outlets 42, 51 are positioned so that at least a portion of them overlap in a front view, so that the cool air blown out from the first opening 38 is sent directly to the container 18, causing the container 18 to function as a rapid cooling chamber. In addition, because the rotation axis L1 of the blower fan 32 is positioned at an angle, the cool air hits the inner surface of the container 18, and is expected to flow throughout the container 18, suppressing temperature imbalances within the container 18. As a result, the temperature inside container 18 can be controlled to the lowest temperature in freezing compartment 13 using cold air with reduced pressure loss, thereby realizing a rapid cooling compartment capable of rapid cooling. In addition, other spaces within freezing compartment 13 are cooled by the cold air flowing out of container 18 and the cold air from second outlets 43, 52.

[0038] [1-3. Effects, etc.] As described above, refrigerator 10 of this embodiment includes at least freezer compartment 13 (first storage compartment) and refrigerator compartment 12 (second storage compartment), as well as blower fan 32 that is arranged rearward of freezer compartment 13 and capable of blowing cool air to freezer compartment 13 and refrigerator compartment 12, and partition wall 17 that separates freezer compartment 13 from blower fan 32. Partition wall 17 has openings (first opening 38 and discharge ports 42, 51) that communicate with the inside of fan casing 35 of blower fan 32, and has container 18 on the opposite side of this opening from blower fan 32 that functions as a rapid cooling chamber by the cool air that passes through the openings. Since the cold air in the fan casing 35 of the blower fan 32 is sent directly into the container 18, it is possible to realize a rapid cooling chamber that can perform rapid cooling with cold air with reduced pressure loss. Therefore, compared to when a rapid cooling chamber is realized using an axial fan or duct, the configuration is simpler and pressure loss is reduced, making it easier to obtain sufficient rapid cooling performance while suppressing increases in cost.

[0039] Furthermore, the openings (first opening 38 and discharge ports 42, 51) provided in partition wall 17 are formed along an arc based on rotation center C1 of blower fan 32, so that air flowing in the radial direction due to the rotation of blower fan 32 can be smoothly discharged to the outside of fan casing 35. This prevents an increase in air flow resistance due to a long air flow path, and makes it easier to supply cool air that has been brought to a relatively high static pressure by the rotational force of blower fan 32 to container 18.

[0040] The amount of cool air supplied to the container 18 can be easily adjusted by adjusting the area of ​​the opening (the length of the arc, etc.) and the distance from the center of rotation C1 to the opening. For example, the area of ​​the opening (the length of the arc, etc.) and the distance from the center of rotation C1 to the opening may be varied depending on the specifications of each part, such as the capacity of the container 18 and the output of the blower fan 32.

[0041] Furthermore, at least a portion of the inner surface of the container 18 that defines the rapid cooling chamber is made of metal, which is advantageous for rapid cooling as it allows food and the like in the container 18 to be cooled quickly.

[0042] In addition, in freezer compartment 13, container 18, which serves as the rapid cooling compartment, has an open front face, and is provided on the opposite side of blower fan 32 across partition wall 17, with drawer case 15, which corresponds to another cooling container, provided below container 18. This allows the cold air flowing out from the front face of container 18 to be used efficiently to cool drawer case 15.

[0043] Furthermore, the blower fan 32 is positioned with its rotation axis L1 tilted, and the blower fan 32 blows cool air from the opening in a forward and upward direction, which promotes convection of the cool air and makes it easier to prevent temperature imbalances within the container 18 by circulating the cool air throughout the container 18.

[0044] (Other embodiments) Note that the first embodiment has been described as an example of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made.

[0045] In the first embodiment, the first storage compartment is the freezer compartment 13, and the second storage compartment is the refrigerator compartment 12. However, the present invention is not limited to this, and for example, the first storage compartment may be the refrigerator compartment 12, and the second storage compartment may be the freezer compartment 13. In this case, the blower fan 32 may be configured to directly cool the refrigerator compartment 12 via the first opening 38, the outlets 42, 51, and the second outlets 43, 52, and to cool the freezer compartment 13 via the duct 21.

[0046] Furthermore, in the first embodiment, the rotation axis L1 of the blower fan 32 is arranged to be inclined, but this is not limitative, and for example, the rotation axis L1 may be arranged to be approximately horizontal. [Industrial Applicability]

[0047] As described above, the refrigerator according to the present invention can be suitably used as a refrigerator capable of realizing rapid cooling with cold air with reduced pressure loss. [Explanation of symbols]

[0048] 10. Refrigerator 11. Housing 12 Refrigerator 13 Freezer 13 Direct freezing room 14 Doors 15 Drawer Case 17 Partition Wall 18 Container 19 Shelf 20 Cooling room 21 Duct 22 Evaporator 23 Compressor 30 First partition 31 Slope 32 Blower fan 33 Rotating blades 34 Fan Unit 34a Fan support 35 Fan casing 36 Second Opening 37 Cold air intake 38 First Opening 39 Fan mounting part 39a Recess 40 Second partition 41 Cold Aisle 42 each outlet 42 Discharge port 43 2nd discharge port 44 rotating discs 45 disc opening 46 Operation knob 50 Molded insulation 51 outlet, 52 2nd outlet 61 Side-opening door 62 Drawer door 63 Drawer Case 64 Insulated Wall 64a Cold Aisle 65 Twin Damper 65a Low temperature room damper 65b Refrigerator damper 66 bis 70 Connection C1 Rotation center L1 rotation axis

Claims

1. The storage device includes at least a first storage chamber and a second storage chamber, a blower fan disposed rearward of the first storage chamber and capable of blowing cool air into the first storage chamber and the second storage chamber; and a partition wall separating the first storage chamber from the blower fan, the partition wall has an opening communicating with the inside of a fan casing of the blower fan, and a rapid cooling chamber on the opposite side of the opening from the blower fan, the rapid cooling chamber being capable of rapid cooling by cool air passing through the opening; the blower fan is attached to one surface of the partition wall, The opening is provided on a surface of the partition wall on which the blower fan is attached, and is formed along an arc based on the center of rotation of the blower fan.

2. The refrigerator according to claim 1, The refrigerator is characterized in that at least a part of the inner surface of the rapid cooling compartment is made of metal.

3. The refrigerator according to claim 1 or 2, The front of the rapid cooling chamber is open, The refrigerator is characterized in that the rapid cooling chamber is provided on the opposite side of the blower fan across the partition wall in the first storage chamber, and another cooling container is provided below the rapid cooling chamber.

4. The refrigerator according to any one of claims 1 to 3, The blower fan has a rotation axis that is inclined, The blower fan blows cool air upward and forward from the opening.

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