WO2017138426A1

WO2017138426A1 - Refrigerator

Info

Publication number: WO2017138426A1
Application number: PCT/JP2017/003765
Authority: WO
Inventors: 拓也赤塚
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2016-02-08
Filing date: 2017-02-02
Publication date: 2017-08-17
Also published as: JP2017141969A

Abstract

This refrigerator cools multiple storage chambers (3, 4) to different temperature ranges by cold air generated in one cooling chamber (11), and comprises an air passage unit (22) disposed between the cooling chamber (11) and storage chambers (3, 4). The air passage unit (22) comprises a rear air passage forming plate (24) facing the cooling chamber (11), and a front air passage forming plate (23) having a blow port and a return port opening to the storage chambers (3, 4). In the air passage unit (22), a fitting structure of the front air passage forming plate (23) and the rear air passage forming plate (24) form a forward air path to the storage chamber (4) and a return air path from the storage chamber (3) to the cooling chamber (11).

Description

refrigerator

The present disclosure relates to a refrigerator having a plurality of storage rooms with different storage temperature zones.

Generally, an undercounter refrigerator that is built in a system kitchen or the like is used for storing and storing bottles and cans. However, due to changes in eating habits and the like, it has recently been increasingly used to store wine.

In general, wine is preferably stored at about 14 ° C. to 18 ° C. depending on the type of white wine, red wine, and the like, and the temperature when drinking is about 7 ° C. to 9 ° C.

For this reason, in the wine cellar dedicated to storing wine, a plurality of storage rooms with different storage temperature zones are provided, and the cold air cooled in the cooling chamber at the back of the wine cellar body is stored by the cooling fan. There are some which are configured to be supplied to a chamber and each storage chamber is maintained at a predetermined temperature (for example, see Patent Document 1).

FIG. 11 shows the wine cellar described in Patent Document 1. The wine cellar disclosed in Patent Literature 1 includes a plurality of

storage chambers

102 and 103 in a main body 101. In the wine cellar of Patent Document 1, cold air generated in the cooling chamber 104 provided on the back surface of the main body 101 is supplied to the

storage chambers

102 and 103 by the cooling fan 105, and the

storage chambers

102 and 103 are predetermined. It is configured to be maintained at temperature.

Here, since the wine cellar of Patent Document 1 has a single cooling chamber 104 provided in the main body 101, the cold air flow path 106 from the cooling fan 105 branches to the

storage chambers

102 and 103. Branches by 106a and 106b. Further,

dampers

107 and 108 are respectively provided in the

branch air passages

106a and 106b. By adjusting the amount of cold air supplied to the

storage chambers

102 and 103 by the

dampers

107 and 108, the

storage chambers

102 and 103 are respectively provided. Maintained at a predetermined temperature. In the wine cellar of Patent Document 1, the cooling chamber 104 is cooled via the merged return air passage 109 where the cool air after cooling the

storage chambers

102 and 103 merges with the

return air passages

109a and 109b from the

storage chambers

102 and 103. Is configured to return.

The wine cellar described in Patent Document 1 changes the temperature of the

storage chambers

102 and 103 by changing the amount of cool air supplied to the

storage chambers

102 and 103 even if there is only one cooling chamber 104 provided in the main body 101. Can do. In the wine cellar described in Patent Document 1, the upper storage chamber 102 is set as a low temperature storage chamber that is stored at a temperature of about 8 ° C. immediately before drinking, and the lower storage chamber 103 is suitable for long-term storage. Since it can be set as a high temperature storage room that is stored at a relatively high temperature of around 14 ° C., it is easy to use.

However, since the wine cellar described in Patent Document 1 is configured to supply cold air to the plurality of

storage chambers

102 and 103 with one cooling chamber 104 and a cooling fan 105, the cold air supply air passages intersect vertically. There is a problem that the configuration becomes complicated, the production cost becomes high, and the cost becomes high.

Further, since the

dampers

107 and 108 are provided in the

branch air passages

106a and 106b, respectively, in order to change the amount of cool air supplied to the

storage chambers

102 and 103, respectively, the cost becomes higher and the cost becomes higher. There is a problem.

JP 2000-346525 A

The present disclosure has been made in view of the problems as described above. With a simple configuration, a plurality of storage chambers having different storage temperature zones can be maintained at a predetermined temperature, and manufacturing costs can be reduced. Provide a refrigerator that can.

Specifically, a refrigerator according to an example of an embodiment of the present disclosure includes a main body, a plurality of storage chambers provided in the main body, a cooling chamber provided on the back side of the main body, and cold air generated in the cooling chamber. And a cooling fan for supplying a plurality of storage chambers. In addition, the refrigerator according to an example of the embodiment of the present disclosure includes an air path unit between the plurality of storage chambers and the cooling chamber of the main body. The air passage unit includes a rear air passage forming plate facing the cooling chamber and a front air passage forming plate facing the plurality of storage chambers. The plurality of storage rooms have a first storage room and a second storage room. The air path unit has an outward air path to the first storage chamber and a return air path from the second storage chamber to the cooling chamber. In the air path unit, the forward air path to the first storage chamber and the return air path from the second storage chamber to the cooling chamber are fitted with the front air path forming plate and the rear air path forming plate. It is comprised so that it may be formed.

With such a configuration, in the refrigerator in which cold air generated in one cooling chamber is supplied to each of the plurality of storage chambers by the cooling fan, and the plurality of storage chambers are cooled to different temperature zones, each of the plurality of storage chambers The cool air forward air passage and the return air passage for supplying and circulating the cold air can be formed simply by incorporating an air passage unit configured separately from the main body into the main body. In addition, with such a configuration, the air path unit can form a forward air path and a return air path simply by fitting the pair of front and rear air path forming plates, and simplifies the air path configuration and improves productivity. It is possible to significantly reduce the cost.

Further, in the refrigerator according to an example of the embodiment of the present disclosure, a damper may be provided in a forward air path to the first storage chamber or the second storage chamber among the plurality of storage chambers.

With such a configuration, the storage room connected to the forward air passage provided with the damper can maintain the indoor temperature at a high temperature (for example, around 14 ° C.) by limiting the amount of cool air supplied to the room by the damper. . Moreover, since a high temperature storage room (room temperature is around 14 ° C., for example) and a low temperature storage room (room temperature is around 8 ° C., for example) can be set with only one damper, a refrigerator is provided at a lower cost. be able to.

Further, in the refrigerator according to an example of the embodiment of the present disclosure, the front air passage forming plate has a blowout opening and a return opening that open to each of the plurality of storage chambers, and the second storage chamber among the plurality of storage chambers. From the cross-sectional area of the air flow path to the front or the area of the outlet opening to the second storage chamber, the cross-sectional area of the air flow path to the first storage chamber or the area of the air outlet opening to the first storage chamber You may be comprised so that it may become small.

With such a configuration, it is possible to set a high temperature storage room and a low temperature storage room without providing a damper. That is, by setting the cross-sectional area of the cool air flow path or the area of the air outlet small, the amount of cool air supplied from the air flow path is limited and reduced. The temperature can be kept high. Thereby, a high temperature storage room and a low temperature storage room can be set, without providing a damper. Therefore, the cost can be further greatly reduced, and the refrigerator can be provided at a low cost.

In the refrigerator according to an example of the embodiment of the present disclosure, the first storage chamber among the plurality of storage chambers is disposed on the upper side in the main body, and the second storage chamber is disposed on the lower side in the main body. May be. In the refrigerator according to an example of the embodiment of the present disclosure, the air path unit may have a forward air path to the second storage chamber. Further, in the refrigerator according to the example of the embodiment of the present disclosure, the cooling fan is disposed at a position facing the first storage chamber, and the second storage chamber is a forward air path to the second storage chamber. The cooling air from the cooling fan may be supplied via the. Further, in the refrigerator according to the example of the embodiment of the present disclosure, a forward air passage to the second storage chamber may be arranged in the vertical direction in the central portion in the left-right direction of the front air passage forming plate. Further, the refrigerator according to an example of the embodiment of the present disclosure may be provided with a cold air return port on each of the left side and the right side with respect to the forward air passage to the second storage chamber in the front air passage formation plate. .

With such a configuration, the cool air can be effectively supplied in the shortest distance to the storage chamber in which the cooling fans are arranged facing each other among the plurality of storage chambers. At the same time, the cool air in the storage chamber can be diffused from the return openings provided on the left and right sides of the front air passage forming plate and collected into the cooling chamber, so that the storage chamber can be efficiently and uniformly distributed. It can cool uniformly. Thereby, the wine, food, etc. stored in the storage room can be cooled and stored well and efficiently.

In addition, in the refrigerator according to an example of the embodiment of the present disclosure, at least one of the plurality of storage chambers is a heater that heats at least one of the plurality of storage chambers when the indoor temperature becomes a predetermined temperature or lower. A warm part may be provided.

With such a configuration, the storage room provided with the heating unit can be heated by the heating unit even when the outside air temperature is low and cannot be maintained at a high temperature. Therefore, the storage room temperature can be maintained at a predetermined temperature. Thereby, red wine having a high storage temperature can be stored well at an appropriate temperature.

In the refrigerator according to an example of the embodiment of the present disclosure, at least one of the plurality of storage chambers is provided with a temperature detection unit and a heating unit that heats at least one of the plurality of storage chambers. May be. Further, in the refrigerator according to an example of the embodiment of the present disclosure, a damper is provided in the forward air path to at least one of the plurality of storage chambers, and at least one temperature of the plurality of storage chambers detected by the temperature detection unit is The damper may be closed when the temperature is lower than the predetermined temperature, and the heating unit may be operated when the temperature drops below the predetermined temperature even after the damper is closed.

With such a configuration, when the storage chamber connected to the forward air passage provided with the damper cannot be maintained at a predetermined set temperature, the damper is first closed, the supply of cold air is stopped, and the indoor temperature Can be prevented from decreasing. If the temperature of the room still decreases, for example, when the outside temperature is low, the room can be heated by the heating unit, so even in the storage room set at a higher temperature, it is set higher. The predetermined temperature can be reliably maintained. Therefore, even when the outside temperature is low, red wine or the like stored at a relatively high temperature can be stored well at an appropriate temperature. Furthermore, with such a configuration, except when the outside air temperature is extremely low and the temperature of the high-temperature storage chamber cannot be maintained at a predetermined temperature, the predetermined temperature can be maintained by simply closing the damper. Power consumption can be suppressed and energy savings can also be improved.

Further, in the refrigerator according to an example of the embodiment of the present disclosure, among the plurality of storage rooms, the storage room arranged on the upper side of the main body is set as a low temperature storage room, and the storage room arranged on the lower side of the main body is hot. It may be set as a storage room.

In this way, by setting the storage room arranged on the upper side of the main body as a low-temperature storage room, wine and beer that are cooled to a relatively low drinking temperature are often stored in the low-temperature storage room. If this is done, it will be easy to put in and out of these, and an easy-to-use refrigerator can be provided.

FIG. 1 is an external perspective view of the refrigerator in the first embodiment of the present disclosure. FIG. 2 is a half-cut perspective view of the refrigerator according to the first embodiment of the present disclosure. FIG. 3 is a cross-sectional view of the refrigerator according to the first embodiment of the present disclosure. FIG. 4 is a diagram viewed from the bottom surface of the refrigerator according to the first embodiment of the present disclosure. FIG. 5 is an enlarged cross-sectional view of a main part of the refrigerator in the first embodiment of the present disclosure. FIG. 6 is a perspective view of the refrigerator air passage unit and the cooler as viewed from the cooling chamber side according to the first embodiment of the present disclosure. FIG. 7 is a perspective view of the periphery of the cooling fan of the refrigerator according to the first embodiment of the present disclosure as viewed from the cooling chamber side. FIG. 8A is a perspective view of the front side air passage forming plate constituting the air passage unit of the refrigerator according to Embodiment 1 of the present disclosure as viewed from the storage chamber side. FIG. 8B is a perspective view of the front air passage forming body plate according to the first embodiment of the present disclosure as viewed from the cooling chamber side. FIG. 9A is a perspective view of the rear side air passage forming plate constituting the air passage unit of the refrigerator according to Embodiment 1 of the present disclosure as viewed from the storage chamber side. FIG. 9B is a perspective view of the rear air passage formation body plate of the refrigerator according to Embodiment 1 of the present disclosure as viewed from the cooling chamber side. FIG. 10 is a half-cut perspective view of the refrigerator according to the second embodiment in the first embodiment of the present disclosure. FIG. 11 is a cross-sectional view of a conventional refrigerator.

Hereinafter, exemplary embodiments of the present disclosure will be described with reference to the drawings. Note that the present disclosure is not limited to the following embodiments.

(Embodiment 1)
FIG. 1 is an external perspective view of the refrigerator in the first embodiment of the present disclosure, and FIG. 2 is a half perspective view of the refrigerator in the first embodiment of the present disclosure. 3 is a cross-sectional view of the refrigerator according to the first embodiment of the present disclosure, and FIG. 4 is a diagram viewed from the bottom surface of the refrigerator according to the first embodiment of the present disclosure. FIG. 5 is an enlarged cross-sectional view of a main part of the refrigerator in the first embodiment of the present disclosure.

1 to 5, a refrigerator 100 according to the present embodiment includes a plurality of storage rooms partitioned by a simple partition plate 2 made of a glass plate or the like in a main body 1, for example, two storage rooms partitioned vertically. 3 and 4 are provided. Furthermore, a shelf board 5 is arranged inside each of the

storage chambers

3 and 4. As the shelf board 5, for example, a glass shelf board is used. In addition, the

storage chambers

3 and 4 may be divided into right and left in the main body 1.

As shown in FIG. 2, the main body 1 includes a metal (for example, iron plate) outer box 6 that opens forward, a hard resin (for example, ABS resin) inner box 7, an outer box 6, and an inner box 7. It is comprised with foaming heat insulating materials (not shown), such as hard urethane by which foam filling was carried out.

Further, a rotatable door 9 is provided in front of the

storage chambers

3 and 4 of the main body 1, and the

storage chambers

3 and 4 are configured to be opened and closed by the door 9. The door 9 is preferably configured so that the inside of the

storage chambers

3 and 4 can be seen from the outside while acting as a heat insulating door. For example, in the present embodiment, the door 9 is configured by sealing argon gas or the like between double glass plates so that the inside of the

storage chambers

3 and 4 can be viewed from the outside while acting as a heat insulating door. Has been.

Furthermore, in the refrigerator 100 of the present embodiment, an operation display unit 10 for setting and displaying the temperatures of the

storage chambers

3 and 4 is provided at the front end of the partition plate 2. In the refrigerator 100 of the present embodiment, the operation in the operation display unit 10 is performed with the door 9 opened. In the refrigerator 100 of the present embodiment, the display content of the operation display unit 10 is glass. It is comprised so that it can visually recognize through a board.

The operation display unit 10 may be provided on the front surface of the door 9. In this case, the temperature of the

storage chambers

3 and 4 can be set in the operation display unit 10 without opening the door 9.

Further, in the refrigerator 100 of the present embodiment, a flexible strip fin may be provided on the lower edge of the front end of the operation display unit 10 or the like. With such a configuration, the flexible strip fin and the glass plate inside the door 9 are in close contact with each other, whereby each of the

storage chambers

3 and 4 can be more reliably partitioned into an airtight state.

Also, a cooling chamber 11 is provided on the back side of the main body 1. In the cooling chamber 11, a cooler 12 and a cooling fan 14 are arranged. The cooler 12 is disposed in the lower part of the cooling chamber 11, and the cooling fan 14 is disposed in the upper part of the cooler 12.

The cooling fan 14 is preferably disposed on the back side of the storage chamber 3 (hereinafter also referred to as the upper storage chamber 3) disposed on the upper side in the main body 1 so as to face the upper storage chamber 3. Yes.

Moreover, in the refrigerator 100 of this Embodiment, the compressor 16 arrange | positioned in the machine room 15 of the main body 1 lower part, the condenser 17 (refer FIG. 4), a thermal radiation pipe (not shown), a capillary tube ( A refrigerating cycle is constituted by the cooler 12 and the cooler 12. The refrigerator 100 of the present embodiment is configured such that cold air is generated in the cooling chamber 11 by evaporation of the refrigerant compressed in such a refrigeration cycle.

In the machine room 15, a blower fan 18 is provided as shown in FIG. The blower fan 18 sucks outside air into the machine chamber 15 from the air supply port 19 on the left side of the front surface of the machine room 15, and the condenser 17 and the compressor 16 are cooled by the sucked outside air. Thereafter, the outside air sucked into the machine room 15 further cools the main body control device 20 provided at the corner portion of the machine room 15, and is exhausted forward from the exhaust port portion 21 on the front right side of the machine room 15. The

On the other hand, the cooling fan 14 provided in the cooling chamber 11 supplies the cold air generated in the cooling chamber 11 to each of the

storage chambers

3 and 4 as indicated by arrows in FIG. Thereafter, the cold air is collected in the cooling chamber 11 and the cold air is supplied again to the

storage chambers

3 and 4. In this way, the cold air generated in the cooling chamber 11 is circulated in the refrigerator 100.

In the refrigerator 100 of the present embodiment, the air path for supplying cold air to the

storage chambers

3 and 4 and collecting the cold air to the cooling chamber 11 is between the

storage chambers

3 and 4 and the cooling chamber 11. It is formed by the air path unit 22 provided. The air path unit 22 is incorporated in the main body 1 so as to partition the

storage chambers

3 and 4 and the cooling chamber 11.

Hereinafter, the configuration of the air path unit 22 will be described with reference to FIGS.

FIG. 6 is a perspective view of the air path unit and the cooler of the refrigerator according to the first embodiment of the present disclosure as viewed from the cooling chamber side. FIG. 7 is a perspective view of the periphery of the cooling fan of the refrigerator according to the first embodiment of the present disclosure as viewed from the cooling chamber side. Moreover, FIG. 8A is the perspective view seen from the storage room side of the front side air channel formation board which comprises the air path unit of the refrigerator of Embodiment 1 of this indication, and FIG. 8B is Embodiment 1 of this indication. It is the perspective view seen from the cooling chamber side of the front side air passage formation body plate. 9A is a perspective view seen from the storage chamber side of the rear air passage forming plate constituting the air passage unit of the refrigerator according to the first embodiment of the present disclosure, and FIG. 9B is an embodiment of the present disclosure. It is the perspective view seen from the cooling chamber side of 1 back side air passage formation board.

6 to 9, the air path unit 22 is fitted with a front air path forming plate 23 facing the

storage chambers

3 and 4 and a rear air path forming plate 24 facing the cooling chamber 11. Has been configured.

As shown in FIGS. 8A and 8B, the front air passage forming plate 23 is provided with an upper outlet 25 and an upper return port 26 at a portion facing the upper storage chamber 3. Further, the front air passage forming plate 23 has a lower outlet 27 and a lower portion in a portion facing the storage chamber 4 (hereinafter also referred to as the lower storage chamber 4) disposed on the lower side in the main body 1. A return port 28 is formed. Further, as shown in FIG. 8B, the front side air passage forming plate 23 has front side air outlet ribs 29 for forming a front side air outlet so as to surround the upper outlet 25 and the lower outlet 27 on the inner surface thereof. Is provided. Further, as shown in FIG. 8B, the front air passage forming plate 23 is provided with front return air passage ribs 30 for forming the front return air passage so as to surround the upper return opening 26 and the lower return opening 28. .

On the other hand, as shown in FIG. 9A and FIG. 9B, the rear side air passage forming plate 24 has a rear side air blowing rib 31 fitted on the front side air blowing rib 29 of the front side air passage forming plate 23 and a front return. A rear return air passage rib 32 that fits into the air passage rib 30 is formed. Further, as shown in FIG. 9B, a cutout opening 33 is formed in the rear air passage forming plate 24 at a position facing the lower return port 28 of the front air passage forming plate 23.

Then, the front side air passage forming plate 23 and the rear side air passage forming plate 24 are fitted and fitted, so that the front blowing air passage rib 29 of the front side air passage forming plate 23 and the rear side air passage forming plate 24 are fitted. The rear blowout air passage ribs 31 are fitted together to form the forward air passage 34. At the same time, the front return air passage rib 30 of the front air passage formation plate 23 and the rear return air passage rib 32 of the rear air passage formation plate 24 are fitted together to form a return air passage 35.

In addition, the rear air passage forming plate 24 has a substantially central portion of the portion facing the upper outlet 25 (in the present embodiment, a substantially central portion in the left-right direction of the rear air passage forming plate 24), A fan mounting opening 36 is provided, and the cooling fan 14 is mounted in the fan mounting opening 36. 9A and 9B, the cooling fan 14 may be unitized with the rear air path forming plate 24 by being mounted in the fan mounting opening 36. The cooling fan 14 is disposed at a position facing the upper storage chamber 3. More specifically, the cooling fan 14 is disposed so as to face the upper storage chamber 3 facing the portion of the front air passage forming plate 23 where the upper outlet 25 is provided.

Further, as shown in FIG. 8B, a forward air passage extension portion 34a connected to the lower outlet 27 of the forward air passage 34 is formed between the front air passage forming plate 23 and the rear air passage forming plate 24. Yes. In the present embodiment, the forward air passage extension portion 34a is formed so as to extend in the vertical direction at a substantially central portion in the left-right direction of the front air passage formation plate 23. Further, the forward air passage extension portion 34a is arranged so that the upper return port 26 is arranged on the front air passage forming plate 23 so as to be distributed substantially evenly on the left side and the right side with respect to the forward air passage extension portion 34a. It is installed.

Moreover, as shown to FIG. 9B, the recessed part 24a is provided in the part facing the cooler 12 of the rear side air path formation board 24. As shown in FIG. Further, a bypass air passage is formed between the cooler 12 disposed in the portion facing the concave portion 24a and the concave portion 24a (see FIG. 6). When the upstream side of the cooler 12 in which the return air is heat-exchanged is blocked with frost, the return air flows into the bypass air passage, and heat is exchanged on the downstream side of the cooler 12 to ensure cooling performance.

Further, in the air path unit 22 configured as described above, as shown in FIGS. 5 and 9A, a damper 37 is incorporated in the middle of the forward air path 34 connected to the lower storage chamber 4. More specifically, the rear blowing air passage rib 31 constituting the air passage unit 22 and the rear return air passage rib 32 constituting the air passage to the lower outlet 27 are connected to each other. A recess 38 that is recessed toward the cooling chamber 11 is formed in the portion, and a damper 37 is provided in the recess 38. The amount of cool air to the lower storage chamber 4 can be controlled by the damper 37.

In the present embodiment, the damper 37 is sandwiched between the front air passage forming plate 23 and the rear air passage forming plate 24 and is unitized with the cooling fan 14 into the air passage unit 22.

Furthermore, the lower storage chamber 4 is provided with a heating unit 39 (see FIG. 3) made of a heater or the like. The heating part 39 is arrange | positioned at the bottom face etc. of the lower storage chamber 4, for example. Even when the amount of cool air supplied to the lower storage chamber 4 is limited by the damper 37, the lower storage chamber 4 is heated by the heating unit 39 when the temperature in the lower storage chamber 4 is further lowered. The lower storage chamber 4 is heated so that the room temperature becomes a predetermined temperature.

In addition, in the lower part of the concave portion 38 provided with the damper 37, an inclination 38a that gently inclines toward the front air passage forming plate 23 side may be provided. The air path unit 22 may be configured so that the cool air smoothly flows in the forward air path 34 by the inclination 38a.

9A and 9B, the air path unit 22 has wiring connection openings 40 on both the left and right sides of the upper portion of the front air path forming plate 23 and the left and right sides of the upper portion of the rear air path forming plate 24. Is provided. In the wiring connection opening 40, as shown in FIG. 8B, the connector of the lead wire 43 from the upper storage chamber temperature detection unit 41 and the lower storage chamber temperature detection unit 42 provided on the inner surface of the front air passage forming plate 23 is provided. 44, and the connector 46 of the lead wire 45 (see FIG. 6) from the cooling fan 14 and the damper 37 mounted on the rear air passage forming plate 24. In the air path unit 22, the upper storage chamber temperature detection unit 41 and the lower storage chamber temperature detection unit 42 may be unitized together with the cooling fan 14 and the damper 37 into the air path unit 22.

The air path unit 22 is assembled by fitting the front air path forming plate 23 and the rear air path forming plate 24 together, and a claw piece 47 provided at the lower end of the front air path forming plate 23 (see FIG. 6). Is fitted into an engagement hole (not shown) provided in the rear corner portion of the lower storage chamber 4 of the main body 1. The air path unit 22 is fixed to the upper corner portion of the upper storage chamber 3 with screws 48 on both the left and right sides of the upper portion thereof, and is incorporated in the main body 1.

Further, in the air passage unit 22, the

connectors

44 and 46 facing the wiring connection openings 40 provided on the left and right sides of the upper part are lead wires from the main body control device 20 led out from the inner box 7 of the main body 1. And a connector (not shown). Further, in the air path unit 22, the connection portion between the

connectors

44 and 46 and the connector of the lead wire from the main body control device 20 is an openable / closable cover plate 49 provided in the wiring connection opening 40 (FIGS. And see FIG. 8B).

The main body control device 20 (see FIG. 4) is connected to the cooling fan 14, the damper 37, the upper storage chamber temperature detection unit 41, and the lower storage chamber temperature detection unit 42. When the temperature of the upper storage chamber 3 detected by the upper storage chamber temperature detection unit 41 becomes equal to or higher than a predetermined temperature, the main body control device 20 drives the compressor 16 and the cooling fan 14 to start the cooling operation. When the temperature of the upper storage chamber 3 becomes equal to or lower than the predetermined temperature, the main body control device 20 stops the cooling operation.

Furthermore, when the set temperature of the lower storage room 4 is set to a relatively high temperature suitable for red wine storage, for example, 18 ° C., the lower storage room temperature detection unit 42 detects the lower storage room 4. When the temperature falls below 18 ° C., first, the main body control device 20 closes the damper 37. If the temperature of the lower storage chamber 4 is still lowered, for example, in the case of a low outside air temperature, the refrigerator 100 is heated by the main body control device 20 and the lower storage chamber 4 is heated. The temperature of the lower storage chamber 4 is maintained at a predetermined temperature.

Next, the effect of the refrigerator 100 of this Embodiment comprised as mentioned above is demonstrated.

First, the flow of cold air in the refrigerator 100 will be described. Cold air is generated in the cooling chamber 11 provided with the cooler 12 by driving the compressor 16. The cool air generated in the cooling chamber 11 is sucked into the cooling fan 14 and supplied to the forward air passage 34, and is supplied to the upper storage chamber 3 from the upper outlet 25 opening at the upper portion of the forward air passage 34. Further, the cold air generated in the cooling chamber 11 is supplied to the lower storage chamber 4 from the lower outlet 27 via the forward air passage extension portion 34 a, and cools the upper storage chamber 3 and the lower storage chamber 4. Then, the cold air after cooling the upper storage chamber 3 is sucked into the return air passage 35 from the upper return opening 26 opened at the lower portion of the upper storage chamber 3. Further, the cool air after cooling the lower storage chamber 4 is sucked into the return air passage 35 from the lower return port 28. The cold air after cooling the lower storage chamber 4 after cooling the upper storage chamber 3 joins in the return air passage 35 and is recovered to the cooling chamber 11 through the notch opening 33 (see FIG. 9B). The cold air collected into the cooling chamber 11 is cooled again to a predetermined temperature by repeating the above-described flow of the cold air and the upper storage chamber 3 and the lower storage chamber 4.

Here, in the refrigerator 100 of the present embodiment, the cold air generated in one cooling chamber 11 is supplied to a plurality of storage chambers, for example, two storage chambers of the upper storage chamber 3 and the lower storage chamber 4. However, it is possible to limit the amount of cool air to the lower storage chamber 4 by providing a damper 37 in the cool air flow path 34 to the lower storage chamber 4 and controlling the opening and closing of the damper 37.

With this configuration, the upper storage chamber 3 and the lower storage chamber 4 can have different set temperature bands. That is, the upper storage chamber 3 to which substantially all of the cool air from the cooling fan 14 is supplied is a low temperature storage chamber, while the amount of supplied cool air is limited to reduce the cool air supplied to the room. The lower storage chamber 4 that can be used can be a high temperature storage chamber.

Therefore, if the set temperature of the upper storage chamber 3 is, for example, 4 ° C. and the set temperature of the lower storage chamber 3 is, for example, 14 ° C., the upper storage chamber 4 can be used as a refrigerating chamber similar to an ordinary refrigerator-freezer, The lower storage room 4 can be used as a wine storage room for storing wine or the like.

Further, the set temperature of the upper storage chamber 3 and the set temperature of the lower storage chamber 4 can be arbitrarily set in the operation display unit 10. Therefore, if the set temperature of the upper storage chamber 3 is set to about 7 ° C., for example, the upper storage chamber 3 can be used as a wine storage chamber immediately before drinking.

With such a configuration, it is not necessary to move the wine stored in the lower storage chamber 4 to the upper storage chamber 3 before drinking, and it is possible to take in and out wine, beer, etc. at a drinking temperature that is often taken out. A refrigerator that is easy to use and easy to use can be provided.

Further, if the set temperature of the upper storage room 3 is set to about 14 ° C. suitable for white wine storage and the lower storage room 4 is set to about 18 ° C. suitable for red wine storage, the upper storage room 3 It can be used as a storage room dedicated to white wine, and the lower storage room 4 can also be used as a storage room dedicated to red wine.

Thus, the refrigerator 100 according to the present embodiment can be used in various ways by arbitrarily setting the temperature of the upper storage chamber 3 and the temperature of the lower storage chamber 4.

Further, in the refrigerator 100 of the present embodiment, the temperature of the upper storage chamber 3 and the temperature of the lower storage chamber 4 are set at the front end of the partition plate 2 that partitions the upper storage chamber 3 and the lower storage chamber 4, respectively. It can be easily performed by the operation display unit 10 provided in the above. Moreover, the refrigerator 100 according to the present embodiment is configured so that the set temperature state can be confirmed from the outside through the glass plate that constitutes the door 9.

Furthermore, the refrigerator 100 of the present embodiment can use the upper storage chamber 3 as a low temperature storage chamber and the lower storage chamber 4 as a high temperature storage chamber by providing only one damper 37. With such a configuration, it is possible to provide a refrigerator in which a plurality of storage rooms having different storage temperature zones can be maintained at a predetermined temperature with a simple configuration. Moreover, according to this Embodiment, manufacturing cost can also be suppressed, cost reduction can also be aimed at, and a refrigerator can be provided cheaply.

Moreover, in the refrigerator 100 according to the present embodiment, the amount of cool air supplied to the interior of the lower storage chamber 4 connected to the forward air passage 34 in the portion where the damper 37 is provided can be limited. It is configured. Moreover, the refrigerator 100 of this Embodiment is provided with the heating part 39 in the lower storage chamber 4. With such a configuration, when the temperature of the lower storage chamber 4 falls below a predetermined set temperature, the main body control device 20 closes the damper 37, stops the supply of cold air to the lower storage chamber 4, and It can prevent that the temperature of the side store room 4 falls. If the temperature further decreases, for example, when the outside air temperature is low, the main body control device 20 can operate the heating unit 39 to heat the lower storage chamber 4.

Therefore, in the refrigerator 100 of the present embodiment, even when the lower storage chamber 4 is set to a relatively high temperature of about 18 ° C. suitable for red wine storage and the outside air temperature is low, The storage room 4 can be reliably maintained at about 18 ° C. suitable for storing red wine. Therefore, even if the outside temperature is extremely low, red wine can be reliably stored in a good state.

At the same time, the storage chamber can be maintained at the predetermined temperature by simply closing the damper 37 except when the outside temperature is low and the lower storage chamber 4 cannot be maintained at the predetermined temperature. it can. Thereby, power consumption can be suppressed and energy saving can also be improved.

Furthermore, the cooling fan 14 is disposed at a position facing the upper storage chamber. More specifically, the cooling fan 14 is disposed to face a portion of the front air passage forming plate 23 of the air passage unit 22 where the upper outlet 25 that opens to the upper storage chamber 3 is provided. With such a configuration, cool air can be effectively supplied to the upper storage chamber 3 in the shortest distance. In addition, the front air passage forming plate 23 has a forward air passage extension portion connected to a lower outlet 27 of the forward air passage 34 for supplying cold air to the lower storage chamber 4 in the vertical direction at a substantially central portion in the left-right direction. 34a is arranged. With such a configuration, the upper return ports 26 are distributed and arranged on both the left and right sides of the upper storage chamber 3, and the cold air supplied to the upper storage chamber 3 is widely diffused on both the left and right sides in the cooling chamber 11. The

Therefore, the upper storage chamber 3 can be efficiently and uniformly cooled by the supply action by the shortest distance of the cold air and the diffusion action by the left and right dispersed arrangement of the upper return port 26. Thereby, the foodstuff stored in the upper storage chamber 3 can be cooled and stored well.

Further, in the refrigerator 100 of the present embodiment, the condenser 17 and the compressor 16 constituting the refrigeration cycle for generating the cooling air are provided with a resistor such as an evaporating dish between the blower fan 18 and the compressor 16. Is configured so that there is no such thing. With such a configuration, the condenser 17 and the compressor 16 can be strongly cooled by a strong cold air flow.

Therefore, in the refrigerator 100 of the present embodiment, the temperature of the compressor 16 can be efficiently reduced, and the temperature of the machine room 15 can be efficiently reduced. As a result, the heat insulation wall thickness at the bottom of the main body 1 can be reduced to increase the capacity of the lower storage chamber 4. For example, as shown by a broken line in FIG. 2, the space below the shelf plate 5 of the lower storage chamber 4 can be increased so that drinking canned juice can be stood and temporarily stored. Can be improved.

On the other hand, the refrigerator 100 according to the present embodiment supplies cold air generated in one cooling chamber 11 to a plurality of storage chambers, and supplies each of the plurality of storage chambers set in different temperature zones. As is clear from the description of the configuration described above, the air path can be easily formed simply by incorporating the air path unit 22 into the main body 1 and can be realized at low cost.

That is, the cool air forward air passage 34 and the return air passage 35 connected to the upper storage chamber 3 and the lower storage chamber 4 respectively are the front air passage forming plate 23 and the rear air passage forming plate 24 that constitute the air passage unit 22. Can be formed simply by fitting together. With such a configuration, it is extremely simple, easy, and inexpensive to connect each of the plurality of storage chambers to the back of each of the plurality of storage chambers of the main body 1 as compared with the case where the direct air flow path and the return air path are formed directly. It is possible to form a cold air return air passage and a return air passage.

Moreover, since the air path unit 22 is assembled separately from the main body 1 and only needs to be assembled into the main body 1, it is not necessary to assemble at the recessed part in the main body 1 of the refrigerator 100, and it is extremely simple and easy. It is possible to form an air flow path and a return air path for the cool air to each of the plurality of storage chambers.

In addition, the air passage unit 22 is incorporated into the main body 1 by using the claw pieces 47 provided at the lower end portion of the front air passage forming plate 23 of the air passage unit 22 in the rear corner portion of the lower storage chamber 4 of the main body 1. This can be done by simply engaging with an engagement hole (not shown) provided and screwing and fixing the left and right sides of the upper portion of the air passage unit 22 to the upper corner portion of the upper storage chamber 3 with screws 48. With such a configuration, the work of assembling the air passage unit 22 into the main body 1 can be easily performed.

Further, the refrigerator 100 of the present embodiment is unitized by incorporating the damper 37, the upper storage chamber temperature detection unit 41, the lower storage chamber temperature detection unit 42, and the like into the air path unit 22 as well as the cooling fan 14. You can also. With such a configuration, it is possible to incorporate components such as the cooling fan 14 simply by incorporating the air passage unit 22 into the main body 1, so that productivity can be improved.

Furthermore, the refrigerator 100 of the present embodiment is configured such that the

connectors

44 and 46 face the wiring connection openings 40 provided on the left and right sides of the upper part of the air passage unit 22. With such a configuration, the connection between the

connectors

44 and 46 and the lead wire from the main body control device 20 drawn out between the inner box 7 and the outer box 6 of the main body 1 is concentrated at the wiring connection opening 40 portion. Therefore, productivity can be further improved. The refrigerator 100 of the present embodiment is configured such that the wiring connection opening 40 is covered with a cover plate 49 together with the

connectors

44 and 46 and the air passage unit mounting screw 48. With such a configuration, it is possible to provide a refrigerator with improved design that has a clean storage chamber surface without exposing a connector or the like to the storage chamber surface.

Furthermore, the partition plate 2 can also be easily assembled and maintained together with the air path unit 22 by configuring the partition plate 2 with a removable shelf shape.

In addition, the refrigerator 100 of this Embodiment can also be comprised without providing a heat insulation wall in the air path unit 22 and the partition plate 2, or filling a heat insulating material. The refrigerator 100 configured as described above includes a wine cellar that can be set at two temperatures, a refrigerator that has no significant difference between the set temperature of the upper storage room and the set temperature of the lower storage room, a refrigerator room, and a vegetable room. The present invention can be applied to a refrigerator having a combination and a refrigerator having a combination of a refrigerator compartment and a chilled room.

(Embodiment 2)
In the refrigerator 200 according to the second embodiment of the present disclosure, the upper storage chamber 3 and the lower storage chamber 4 have different temperature bands without providing the damper 37 used in the refrigerator 100 according to the first embodiment described above. It differs from the refrigerator 100 of Embodiment 1 by the point comprised in this way.

That is, in the refrigerator 200 according to the second embodiment of the present disclosure, the damper 37 as illustrated in FIGS. 6 and 9 is not used, and the cross-sectional area of the forward air passage 34 to the lower storage chamber 4 or the lower outlet 27 is The area is configured to be smaller than the cross-sectional area of the forward air passage 34 to the upper storage chamber 3 or the area of the upper outlet 25.

For example, the cross-sectional area of the outgoing air passage 34 to the lower storage chamber 4 or the area of the lower outlet 27 is 0.015 to the sectional area of the outgoing air passage 34 to the upper storage chamber 3 or the area of the upper outlet 25. It is set to be 0.05 or less.

With such a configuration, even if there is no damper 37, the cool air to the lower storage chamber 4 is limited to 0.015 to 0.05 or less of the cool air amount to the upper storage chamber 3, and The temperature difference from the side storage chamber 4 can be about 10 ° C. to 14 ° C. Thereby, even if it does not restrict | limit the amount of cool air with the damper 37, the upper storage room 3 can be used as a low temperature storage room, and the lower storage room 4 can be utilized as a high temperature storage room. In addition, this makes it possible to provide a refrigerator that stores wine or the like in a good state.

Moreover, since the refrigerator 200 according to the present embodiment does not require any damper, the cost can be further greatly reduced, and the refrigerator can be provided at a low cost.

In addition, since the structure and effect other than the above are the same as that of the refrigerator 100 of Embodiment 1 mentioned above, detailed description is abbreviate | omitted here.

(Embodiment 3)
The refrigerator 300 according to the third embodiment of the present disclosure differs from the refrigerator 100 according to the first embodiment described above in the arrangement of the low temperature storage room and the high temperature storage room. Specifically, in the refrigerator 300 according to the third embodiment of the present disclosure, the upper storage room 3 is set as a high temperature storage room, and the lower storage room 4 is set as a low temperature storage room.

FIG. 10 is a half-cut perspective view of the refrigerator according to the third embodiment of the present disclosure.

In the refrigerator 300 according to the third embodiment of the present disclosure, the forward air passage and the return air passage formed between the front air passage forming plate 23 and the rear air passage forming plate 24 constituting the air passage unit 22 are the above-described ones. It is comprised so that it may become a reverse relationship with the case of the refrigerator 100 of 1st Embodiment. That is, in the refrigerator 300 of the present embodiment, substantially the entire amount of cold air generated in the cooling chamber 11 is supplied to the lower storage chamber 4. Specifically, the refrigerator 300 of the present embodiment is supplied with substantially the entire amount of cold air generated in the cooling chamber 11 from the lower outlet 27 that opens to the lower storage chamber 4 in the air path unit 22. . Then, a damper is provided in the outgoing air passage 34 to the upper storage chamber 3, or the area of the upper blowout port 25 of the cold air that opens to the upper storage chamber 3 is set to the lower blowout port 27 of the cold air that opens to the lower storage chamber 4. The amount of cool air supplied to the upper storage chamber 3 is limited, for example, by making it smaller than this area.

With such a configuration, the upper storage room 3 can be used as a high temperature storage room suitable for storing wine or the like, and the lower storage room 4 can be used as a low temperature storage room such as an ordinary cold storage room. The same effects as those of the refrigerator 100 of the first embodiment or the refrigerator 200 of the second embodiment are obtained.

As mentioned above, although the refrigerator by an example of embodiment of this indication has been explained using the above-mentioned embodiment, this indication is not limited to these, but various within the range which achieves the object of this indication. Needless to say, it can be changed.

For example, the refrigerators 100, 200, and 300 according to the above-described first to third embodiments are illustrated as an example of an undercounter type refrigerator that is built in and used in a system kitchen or the like, but is used without being built in. Applicable to refrigerators. Further, although the refrigerators 100, 200, and 300 of the above-described first to third embodiments are shown as refrigerators suitable for storing wine or the like, they are also applied to ordinary refrigerators that store foods in a cooled state.

In the refrigerators 100, 200, and 300 according to the first to third embodiments, the case where there are two storage rooms is illustrated. However, the plurality of storage rooms may be three or more, or three or more. Each of the storage chambers may be configured to be set in different temperature zones.

In the refrigerators 100, 200, and 300 according to the first to third embodiments described above, the plurality of storage rooms are arranged vertically in the main body 1 such as an upper storage room and a lower storage room. However, it may be arranged in the left-right direction within the main body 1. In this case, the forward air passage 34 and the return air passage 35 that are configured in the vertical direction in the air path unit 22 are configured in the left-right direction, so that the same effect can be obtained.

Further, in the refrigerators 100, 200, and 300 of the first to third embodiments described above, the configuration in which the warming unit 39 is provided in the storage room that is the high temperature storage room is illustrated. 39 may be omitted.

In the refrigerators 100 and 200 of the first and second embodiments, the front air passage forming plate 23 of the upper storage chamber 3 is arranged at a substantially central portion in the left-right direction, and the lower storage chamber in the vertical direction. 4, the forward air passage extension portion 34 a connected to the lower outlet 27 of the forward air passage 34 that supplies the cold air is arranged, and the upper return ports 26 are distributed on both the left and right sides of the upper storage chamber 3. The configuration is not limited to this. The upper return port 26 may be provided collectively on the right side or the left side of the forward air passage 34 with respect to the forward air passage 34 in the front air passage forming plate 23 of the upper storage chamber 3. The same applies to the case where the low temperature storage room and the high temperature storage room are arranged upside down in the refrigerator 300 of the third embodiment and the refrigerator 100 of the first embodiment and the refrigerator 200 of the second embodiment.

In addition, in the present disclosure, the high temperature and the low temperature when referred to as a high temperature storage chamber and a low temperature storage chamber are not limited to the temperatures exemplified in the above embodiments, but a certain storage among a plurality of storage chambers. The temperature set in each of the plurality of storage chambers is defined by relatively comparing such that the set temperature of the chamber is higher or lower than the set temperature of the other storage chambers.

As described above, each embodiment of the present disclosure should be considered as illustrative in all points and not restrictive. That is, the scope of the present disclosure is defined by the scope of the claims rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the scope of the claims.

As described above, the present disclosure can easily and easily configure the complicated air passage configuration even in a refrigerator that supplies and circulates cold air from one cooling chamber to a plurality of storage chambers. A refrigerator can be provided. Therefore, it can be widely used not only for wine cellars but also for general and business use as undercounter refrigerators.

1 Main body 2 Partition plate 3 Storage room (upper storage room, first storage room or second storage room)
4 storage room (lower storage room, second storage room or first storage room)
DESCRIPTION OF SYMBOLS 5 Shelf board 6 Outer box 7 Inner box 9 Door 10 Operation display part unit 11 Cooling room 12 Cooler 14 Cooling fan 15 Machine room 16 Compressor 17 Condenser 18 Blower fan 19 Air supply part 20 Main body control apparatus 21 Exhaust part 22 Air channel unit 23 Front air channel forming plate 24 Rear air channel forming plate 24a Concave portion 25 Upper outlet (outlet)
26 Upper return (return)
27 Lower outlet (outlet)
28 Lower return (return)
29 Front blowout airway rib (outlet airway rib)
30 Front Return Airway Rib (Return Airway Rib)
31 Rear blowing air duct rib (blowing air duct rib)
32 Rear return air passage rib (return air passage rib)
33 Notch opening 34 Outward air passage 34a Outward air passage extension 35 Return air passage 37 Damper 38 Recess 38a Inclination 39 Heating portion 40 Wiring connection opening 41 Upper storage chamber temperature detection portion (temperature detection portion)
42 Lower storage room temperature detector (temperature detector)
43 Lead wire 44 Connector 45 Lead wire 46 Connector 47 Claw piece 48 Screw 49 Cover plate

Claims

The body,
A plurality of storage chambers provided in the main body;
A cooling chamber provided on the back side of the main body,
A cooling fan that supplies cold air generated in the cooling chamber to the plurality of storage chambers,
An air path unit is provided between the plurality of storage chambers and the cooling chamber of the main body,
The air passage unit has a rear air passage forming plate facing the cooling chamber, and a front air passage forming plate facing the plurality of storage chambers,
The plurality of storage rooms have a first storage room and a second storage room,
The air path unit has an outward air path to the first storage chamber, and a return air path from the second storage chamber to the cooling chamber,
In the air path unit, the forward air path to the first storage chamber and the return air path from the second storage chamber to the cooling chamber are formed by the front side air path forming plate and the rear side air path. A refrigerator configured to be formed by fitting a plate.
The refrigerator according to claim 1, wherein a damper is provided in a forward air passage to the first storage chamber or the second storage chamber.
The front air passage forming plate has a blowout opening and a return opening that open to each of the plurality of storage chambers,
The cross-sectional area of the forward air passage to the second storage chamber is smaller than the cross-sectional area of the forward air passage to the first storage chamber, or the outlet of the outlet opening to the second storage chamber The refrigerator according to claim 1, wherein an area is smaller than an area of the outlet opening in the first storage chamber.
The first storage chamber is disposed on the upper side in the main body, and the second storage chamber is disposed on the lower side in the main body,
The air path unit has an outward air path to the second storage chamber,
The cooling fan is disposed at a position facing the first storage chamber,
The second storage chamber is configured to be supplied with the cold air from the cooling fan via the forward air passage to the second storage chamber,
In the central part in the left-right direction of the front side air passage forming plate, the forward air passage to the second storage chamber is arranged in the vertical direction,
The cold air return port is provided on each of the left side and the right side of the forward air passage forming plate on the left and right sides of the forward air passage to the second storage chamber. Refrigerator.
The heating unit according to any one of claims 1 to 4, wherein at least one of the plurality of storage chambers is provided with a heating unit that heats at least one of the plurality of storage chambers when a temperature in the storage chamber becomes a predetermined temperature or lower. The refrigerator according to item 1.
At least one of the plurality of storage chambers is provided with a temperature detection unit and a heating unit that heats at least one of the plurality of storage chambers,
When at least one temperature of the plurality of storage chambers detected by the temperature detection unit is equal to or lower than a predetermined temperature, the damper is closed, and when the temperature is lower than the predetermined temperature even after the damper is closed, The refrigerator according to any one of claims 1 to 4, wherein the heating unit is configured to be operated.
The storage chamber disposed above the main body among the plurality of storage chambers is set as a low temperature storage chamber, and the storage chamber disposed below the main body is set as a high temperature storage chamber. The refrigerator of any one of these.