JP2017141969A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator which is suitable for wine storage and the like at cheap price.SOLUTION: In a refrigerator which cools a plurality of upper and lower storage chambers 3, 4 into different temperature zones by cool air generated in one cooling chamber 11, an air passage unit 22 is provided between the cooling chamber and each of the storage chambers. The air passage unit is constituted by a rear side air passage forming plate 24 facing the cooling chamber, and a front side air passage formation plate 23 having a blowout port and a return port opening to each of the storage chambers, and also, an outgoing air passage 34 to one storage chamber 4 and a return air passage 35 to the cooling chamber from the other storage chamber 3 which are in vertically crossing positional relationship by a fitting structure between the front side air passage formation plate and the rear side air passage formation plate are dividedly formed. Thereby, a complicated air passage structure can be formed just by incorporating the air passage unit constituted separately from the body of the outgoing passage and the return passage of cool air for supplying and circulating the cool air to each of the storage chambers into the body, and the refrigerator can be provided at cheap price.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a refrigerator that is built in a system kitchen or the like and is suitable for wine storage or the like.

  In general, under counter refrigerators that are built in and used in system kitchens are used to store and store bottles and cans. However, due to changes in eating habits, they are increasingly used for storing wine. ing.

  This wine is preferably stored at about 14 ° C. to 18 ° C., although it depends on white wine, red wine and the type thereof, and the drinking temperature is around 7 ° C. to 9 ° C.

  For this reason, wine cellars dedicated to storing wine have multiple storage rooms with different storage temperature zones, and cool air cooled in the cooling chamber on the back of the main unit is supplied by cooling fans to maintain each storage room at a predetermined temperature. What is made to do is seen (for example, refer patent document 1).

  FIG. 11 shows a wine cellar described in the above-mentioned Patent Document 1. This wine cellar includes a plurality of storage chambers 102 and 103 in a main body 101, and cold air generated in a cooling chamber 104 provided on the back surface of the main body 101. Is supplied to each of the storage chambers 102 and 103 by a cooling fan 105 and maintained at a predetermined temperature.

  Here, since the wine cellar has one cooling chamber 104, the cool air going-out air passage 106 from the cooling fan 105 is branched into the storage chambers 102 and 103, and the dampers 107 and 106 b are respectively provided. , 108 are provided, and the temperature is maintained at a predetermined temperature by adjusting the amount of cool air supplied to each of the storage chambers 102, 103. The cool air after cooling the storage chambers 102 and 103 returns to the cooling chamber 104 via the merged return air passage 109 where the return air passages 109a and 109b from the storage chambers 102 and 103 merge. ing.

JP 2000-346525 A

  The wine cellar described in Patent Document 1 can change the temperature of each of the storage chambers 102 and 103 by changing the amount of cool air supplied to the storage chamber even if there is only one cooling chamber 104. Can be made into a low-temperature storage room for storing at a temperature of about 8 ° C. just before drinking, and the lower storage room 103 can be a high-temperature storage room for storing at a relatively high temperature of about 14 ° C. suitable for long-term storage. So it is easy to use.

  However, since this wine cellar supplies cold air to the plurality of storage chambers 102 and 103 with one cooling chamber 104 and a cooling fan 105, it becomes complicated such that the cold air supply air passages intersect vertically, and the production cost is high. As a result, there was a problem of becoming expensive.

In addition, since the dampers 107 and 108 are provided in the branch air passages 106a and 106b in order to change the amount of cool air to each of the storage chambers 102 and 103, there is a problem that the cost is increased and the cost becomes more and more expensive. there were.

  The present invention has been made in view of these points, and aims to provide a refrigerator that can be provided at low cost.

  In order to achieve the above object, the present invention provides a refrigerator in which cold air generated in one cooling chamber is supplied to each storage chamber by a cooling fan to cool each storage chamber to a different temperature zone. An air path unit is provided between the rear air path forming plate facing the cooling chamber, and a front air path forming plate having a blow-out port and a return port that open to each of the storage chambers. And a forward air passage to one storage chamber and a return air passage from the other storage chamber to the cooling chamber, the front air passage forming plate and the rear side. The section is formed by the fitting structure of the air path forming plate.

  This makes it possible to form a complicated air passage structure consisting of a cool air forward air passage and a return air passage that supplies and circulates cold air to each storage chamber by simply incorporating an air passage unit configured separately from the main body into the main body. The path unit can form a forward air path and a return air path simply by fitting a pair of front and rear air path forming plates, simplifying the configuration and improving productivity, which can greatly reduce costs. .

  According to the present invention, even with a refrigerator that supplies and circulates cold air from one cooling chamber to a plurality of storage chambers, the complicated air passage configuration can be easily and easily configured and provided at low cost. be able to.

External appearance perspective view of the refrigerator in Embodiment 1 of this invention Half-cut perspective view of the refrigerator Cross section of the refrigerator Bottom view of the refrigerator The principal part expanded sectional view of the refrigerator The perspective view which looked at the air path unit and the cooler of the refrigerator from the cooling chamber side The perspective view which looked around the cooling fan of the refrigerator from the cooling chamber side (A) Storage room side perspective view of front side air passage forming plate constituting air passage unit of refrigerator, (b) Cooling chamber side perspective view of front side air passage forming body plate (A) Storage room side perspective view of rear side air passage forming plate constituting air passage unit of refrigerator, (b) Cooling chamber side perspective view of rear side air passage forming body plate Half-cut perspective view of the refrigerator in the second embodiment Sectional view showing a conventional refrigerator

  A first aspect of the present invention is a cooling fan that supplies a plurality of upper and lower storage chambers provided in a refrigerator main body, a single cooling chamber provided at the back of the refrigerator main body, and cool air generated in the cooling chamber to the plurality of storage chambers. A refrigerator that supplies cold air generated in the one cooling chamber to each storage chamber by the cooling fan and cools each storage chamber to a different temperature zone, between the storage chamber and the cooling chamber of the refrigerator body. An air path unit is provided, and the air path unit includes a rear air path forming plate facing the cooling chamber, and a front air path forming plate having a blowout port and a return port that open to each storage chamber. And the forward air passage to one storage chamber and the return air passage from the other storage chamber to the cooling chamber, which are in a positional relationship crossing the vertical direction, the front air passage forming plate and the rear air passage It is set as the structure formed into the division by the fitting structure of the formation board.

  As a result, a complicated air passage configuration consisting of a cold air forward air passage and a return air passage that supplies and circulates cold air to each storage chamber can be formed simply by incorporating an air passage unit configured separately from the refrigerator main body into the refrigerator main body, In addition, the air path unit can form a forward air path and a return air path simply by fitting a pair of front and rear air path forming plates, simplifying the configuration and improving productivity, which can greatly reduce costs. And can be provided at low cost.

  According to a second invention, in the first invention, one of the upper and lower storage chambers is a high temperature storage chamber, and a damper is provided in an air passage to the high temperature storage chamber.

  As a result, the storage room connected to the forward air passage with the damper can be maintained at a high temperature by limiting the amount of cold air by the damper, and the high temperature storage room and the low temperature storage room can be set with a single damper. And can be provided at a lower cost.

  According to a third invention, in the first invention, one of the upper and lower storage chambers is a high-temperature storage chamber, and the cross-sectional area or outlet area of the air flow path to the high-temperature storage chamber is set as the other low-temperature storage chamber. The cross-sectional area or the area of the air outlet is smaller than that of the air passage.

  As a result, the storage chamber connected to the forward air passage with a reduced cross-sectional area or outlet area can be kept at a high temperature because the amount of cool air supplied is limited and is reduced. Since a low-temperature storage room can be set, the cost can be further reduced and the cost can be reduced.

  According to a fourth invention, in the first to third inventions, a cooling fan is disposed facing the blowout port of one of the upper and lower storage chambers, and is positioned below the storage chamber. The lower storage chamber is configured to supply the cold air from the cooling fan via the forward air passage, and the return port of the storage chamber in which the cooling fan is arranged to face the lower storage chamber in the vertical direction of the lower side. The air flow path to the storage room is arranged and dispersed left and right.

  As a result, the cool air can be effectively supplied in the shortest distance to one storage chamber in which cooling fans are arranged opposite to each other, and the cool air in the storage chamber is diffused to the left and right sides and collected from the return port to the cooling chamber. As a result, the storage chamber can be cooled efficiently and uniformly without unevenness, and the stored food can be well cooled and stored.

  According to a fifth aspect of the present invention, in the first to fourth aspects of the present invention, one of the upper and lower storage chambers is provided with a heating means for heating when the temperature falls below a predetermined temperature.

  As a result, the storage room provided with the heating means is heated by the heating means to keep the storage room temperature at a predetermined temperature even when the outside air temperature is low and cannot be maintained at a high temperature. Even red wine having a high storage temperature can be stored well.

  According to a sixth invention, in the second or fourth invention, the temperature detection means and a heating means for heating the storage chamber are provided in one of the upper and lower storage chambers, and the temperature detection means detects the temperature detection means. The damper is closed when the temperature of the storage chamber becomes equal to or lower than a predetermined set temperature, and when the temperature drops below the predetermined set temperature even after the damper is closed, the heating means is operated to heat the damper.

As a result, the storage chamber on the side where the damper is provided cannot prevent the temperature from dropping by first closing the damper and stopping the supply of cold air when it cannot be maintained at the predetermined set temperature. Since it is heated by the heating means at the time of air temperature or the like, even if the storage chamber is set to a higher temperature, it can be reliably maintained at a higher predetermined temperature. Therefore, even red wine or the like stored at a relatively high temperature at a low outside temperature can be stored well. In addition, since the outside air temperature is extremely low and the temperature of the high temperature storage room cannot be maintained at the predetermined set temperature, it can be set to the predetermined set temperature by simply closing the damper, so that power consumption can be suppressed. Energy savings can also be improved.

  In a seventh invention according to the first to sixth inventions, the plurality of upper and lower storage chambers are a storage chamber positioned on the upper side as a low temperature storage chamber, and a storage chamber positioned on the lower side as a high temperature storage chamber, By making the upper storage room a low temperature storage room, it will be easy to take in and out if you store wine or beer that has many opportunities to take out and cool to a relatively low drinking temperature, and make it a convenient refrigerator Can do.

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

(Embodiment 1)
1 is an external perspective view of the refrigerator according to Embodiment 1 of the present invention, FIG. 2 is a half perspective view of the refrigerator, FIG. 3 is a sectional view of the refrigerator, FIG. 4 is a bottom view of the refrigerator, and FIG. FIG.

  1 to 5, the refrigerator shown in this embodiment is provided with two storage chambers 3 and 4 partitioned vertically by a simple partition plate 2 made of a glass plate or the like in the refrigerator body 1. A glass shelf 5 is disposed in each of the storage chambers 3 and 4.

  As shown in FIG. 2, the refrigerator body 1 includes a metal (for example, iron plate) outer box 6 that opens forward, a hard resin (for example, ABS) inner box 7, and these outer box 6 and inner box. 7 and a foam heat insulating material (not shown) such as hard urethane filled with foam.

  The front surfaces of the storage chambers 3 and 4 of the refrigerator body 1 can be opened and closed by a rotatable door 9. In this example, 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 seen from the outside while acting as a heat insulating door.

  Further, an operation display unit 10 for setting and displaying the temperature of each of the storage chambers 3 and 4 is provided at the front end of the partition plate 2. The operation is performed by opening the door 9, and the display content is a glass plate. Can be seen through.

  Further, a flexible strip fin (not shown) is provided at the lower edge of the front end of the operation display unit 10, and the upper and lower storage chambers 3 and 4 are partitioned in an airtight state by being in close contact with the inner glass plate. It is like that.

  In addition, a single cooling chamber 11 is provided on the back surface of the refrigerator body 1, and a cooler 12 and a cooling fan 14 are disposed in the cooling chamber 11. The cooler 12 is disposed in the lower part of the cooling chamber 11, and the cooling fan 14 is above the cooler 12, and the upper storage chamber is provided in the back portion of the upper storage chamber 3 (hereinafter referred to as the upper storage chamber). 3 is arranged so as to face 3.

  The cooler 12 includes a compressor 16 incorporated in a machine room 15 below the refrigerator body 1, a condenser 17 (see FIG. 4), a heat radiating pipe (not shown), a capillary tube (not shown), A refrigeration cycle is configured with the cooler 12, and cool air is generated in the cooling chamber 11 by evaporation of the compressed refrigerant.

  The machine room 15 is provided with a blower fan 18 as shown in FIG. 4, and the condenser 17 and the compressor 16 are cooled by sucking outside air from the air supply port 19 on the left side of the machine room front side. Thereafter, the main body control device 20 provided at the machine room corner is also cooled and exhausted forward from the exhaust port 21 on the right side of the front of the machine room.

  On the other hand, the cooling fan 14 provided in the cooling chamber 11 supplies the cool air generated in the cooling chamber 11 to the storage chambers 3 and 4 as indicated by arrows in FIG. It is made to circulate to each store room 3,4.

  The air passage for supplying the cold air to the storage chambers 3 and 4 and collecting the cold air to the cooling chamber 11 is an air passage incorporated in the refrigerator main body 1 so as to partition the storage chambers 3 and 4 and the cooling chamber 11. It is formed by the unit 22.

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

  6 is a perspective view of the air path unit and the cooler of the refrigerator as viewed from the cooling chamber side, FIG. 7 is a perspective view of the periphery of the cooling fan of the refrigerator as viewed from the cooling chamber side, and FIG. FIG. 9B is a perspective view of the front air passage forming plate constituting the passage unit on the storage chamber side, FIG. 9B is a perspective view of the cooling chamber side of the front air passage forming plate, and FIG. 9A is an air passage unit of the refrigerator. The storage chamber side perspective view of a rear side air passage formation board, (b) is the cooling chamber side perspective view of the rear side air passage formation board.

  6 to 9, the air path unit 22 fits and fits the front air path forming plate 23 facing each of the storage chambers 3 and 4 and the rear air path forming plate 24 facing the cooling chamber 11. Configured.

  As shown in FIG. 8, the front air passage forming plate 23 has an upper outlet 25 and an upper return port 26 at a portion facing the upper storage chamber 3, and a lower storage chamber 4 (hereinafter referred to as a lower storage chamber). The lower blowout port 27 and the lower return port 28 are formed in a portion opposite to the above. The front air passage forming plate 23 further includes a front blowing air passage forming rib 29 and upper and lower return ports 26 and 28 so as to surround the upper and lower outlets 25 and 27 on the inner surface. A return air passage forming rib 30 is provided.

  On the other hand, as shown in FIG. 9, the rear air passage forming plate 24 includes a rear blow air passage forming rib 31 that fits into the front blow air passage forming rib 29 of the front air passage forming plate 23, and a front return. A rear return air passage forming rib 32 that fits into the air passage forming rib 30 and a notch opening 33 that faces the lower return port 28 of the front air passage forming plate 23 are formed.

  The front side air passage forming plate 23 and the rear side air passage forming plate 24 are fitted and fitted to each other, so that the front blowing air passage forming rib 29 and the rear side air passage forming of the front side air passage forming plate 23 are formed. The rear blowing air passage forming ribs 31 of the plate 24 are fitted together to form a forward air passage 34, and the front return air passage forming rib 30 and the rear air passage forming plate 24 of the front air passage forming plate 23. The return air passage ribs 32 are fitted together to form a return air passage 35.

  Further, the rear air passage forming plate 24 is provided with a fan mounting opening 36 at a substantially central portion of the portion facing the upper outlet 25, and the cooling fan 14 is mounted in the fan mounting opening 36. is there. The cooling fan 14 is unitized as a unit with the rear air passage forming plate 24 by being mounted in the fan mounting opening 36, and faces the upper outlet 25 of the front air passage forming plate 23 so as to face the upper storage chamber 3. It comes to face the back of the.

Further, the forward air passage extension portion 34 a connected to the lower outlet 27 of the forward air passage 34 formed between the front air passage forming plate 23 and the rear air passage forming plate 24 is substantially left and right of the upper return opening 26. The central portion is formed so as to extend in the vertical direction, and the upper return ports 26 are set to be distributed substantially evenly on the left and right.

  Further, a recess 24a is provided in a portion of the rear air passage forming plate 24 facing the cooler 12, and a bypass air passage is formed between the rear air passage forming plate 24 and the cooler 12 disposed in the portion facing this. It is in shape.

  Further, the air passage unit 22 configured as described above has a damper 37 incorporated in the middle of the outgoing air passage 34 connected to the lower storage chamber 4. More specifically, the rear blowing air passage forming rib 31 constituting the air passage unit 22 and the rear return air passage forming rib 32 constituting the air passage to the lower outlet 27 are provided. A concave portion 38 that is recessed toward the cooling chamber 11 is formed in a portion connected to the portion, and a damper 37 is provided in the concave portion 38 so that the amount of cold air to the lower storage chamber 4 can be controlled.

  The damper 37 is sandwiched between the front air passage forming plate 23 and the rear air passage forming plate 24, and is integrated into the air passage unit 22 together with the cooling fan 14.

  Further, the lower storage chamber 4 in which the amount of cold air can be controlled by the damper 37 is provided with a heating means 39 (see FIG. 3) made of a heater or the like on the bottom surface, and the amount of cold air is limited by the damper 37. Even when the temperature is lower, it is heated so that the temperature of the lower storage chamber 4 becomes a predetermined temperature.

  The lower portion of the recess 38 provided with the damper 37 is configured to be gently inclined 38a toward the front air passage forming plate 23 so that the cool air flows smoothly.

  The air path unit 22 is provided with wiring connection openings 40 on both upper sides of the front air path forming plate 23 and the rear air path forming plate 24. The wiring connection opening 40 is exposed to the connector 44 of the lead wire 43 from the upper storage chamber temperature detection means 41 and the lower storage chamber temperature detection means 42 provided on the inner surface of the front air passage forming plate 23. The cooling fan 14 mounted on the rear air passage formation plate 24 and the connector 46 of the lead wire 45 (see FIG. 6) from the damper 37 are faced, and these upper storage chamber temperature detecting means 41, lower storage chamber temperature The detection means 42 is integrated with the air path unit 22 together with the cooling fan 14 and the damper 37.

  And the said air path unit 22 has the nail | claw piece 47 provided in the lower end of the front side air path formation board 23 in the form assembled by fitting together the front side air path formation board 23 and the rear side air path formation board 24, and the refrigerator main body 1 It fits into an engagement hole (not shown) provided in the rear corner portion of the lower storage chamber 4 and is fixed to the upper corner portion of the upper storage chamber 3 with screws 48 on the upper both sides. It is incorporated.

  Further, the air passage unit 22 is connected to the connector 44 of the lead wire from the main body control device 20 derived from the inner box 7 of the refrigerator main body 1 with the connectors 44 and 46 facing the wiring connection openings 40 on both sides of the upper portion (see FIG. (Not shown) and covered with a head of the screw 48 by an openable / closable lid plate 49 provided in the wiring connection opening 40.

  The main body control device 20 to which the cooling fan 14, the damper 37, and the upper and lower storage chamber temperature detection means 41 and 42 are connected has the temperature of the upper storage chamber 3 detected by the upper storage chamber temperature detection means 41 exceeding a predetermined temperature. Then, the compressor 16 and the cooling fan 14 are driven to perform a cooling operation, and the cooling operation is stopped when the temperature is lower than a predetermined temperature.

Further, when the set temperature of the lower storage chamber 4 is set to a relatively high temperature suitable for red wine storage, for example, 18 ° C., the main body control device 20 has a temperature detected by the lower storage chamber temperature detecting means 42 of 18. The damper 37 is first closed when the temperature is lower than 0 ° C., and in the case of a low outside temperature where the temperature is still lowered, the heating means 39 is driven to heat the lower storage chamber 4 and maintain it at a predetermined temperature. It is.

  Next, the function and effect of the above configuration will be described.

  First, the flow of cold air will be described. The cold air is generated in the cooling chamber 11 provided with the cooler 12 by driving the compressor 16. The cold air generated in the cooling chamber 11 is sucked by 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 opened at the upper portion of the forward air passage 34, and the forward air passage is extended. It is supplied to the lower storage chamber 4 from the lower outlet 27 via the part 34a, and these storage chambers 3 and 4 are cooled. Then, the cool air after cooling the upper storage chamber 3 is supplied from the upper return opening 26 opened to the lower portion of the storage chamber 3, and the cold air after the lower storage chamber 4 is cooled is supplied from the lower return opening 28 to the return air passage 35. It is sucked in, merged and collected into the cooling chamber 11 through the notch opening 33, and the above operation is repeated again to cool the storage chambers 3 and 4 to a predetermined temperature.

  Here, this refrigerator supplies the cold air generated in one cooling chamber 11 to the two storage chambers 3 and 4, and a damper 37 is provided in the air flow path 34 of the cold air to the lower storage chamber 4. By controlling the opening and closing of the damper 37, the amount of cool air to the lower storage chamber 4 can be limited.

  As a result, the upper storage chamber 3 and the lower storage chamber 4 can have different temperature bands, and the upper storage chamber 3 to which the entire amount of cold air from the cooling fan 14 is supplied is the low temperature storage chamber (hereinafter referred to as the upper storage chamber). The lower storage chamber 4 that can be reduced by limiting the amount of cold air is a high temperature storage chamber (hereinafter, the lower storage chamber may also be referred to as a high temperature storage chamber). can do.

  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 storage room 4 can be used as a wine storage room for storing wine or the like.

  In addition, since the set temperature of each of the storage chambers 3 and 4 can be arbitrarily set by the operation display unit 10, if the set temperature of the upper storage chamber 3 is set to about 7 ° C., for example, the upper storage chamber 3 is immediately before drinking. It can be used as a wine storage room.

  This eliminates the need to move the wine stored in the lower storage chamber 4 to the upper storage chamber 3 before drinking, and facilitates taking in and out of drinking temperature wine and beer with many occasions for taking out. This makes it a convenient refrigerator.

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

  As described above, the refrigerator of this embodiment can be used in various ways by changing the set temperatures of the upper and lower storage chambers 3 and 4.

  The temperature can be easily set by the operation display unit 10 provided at the front end of the partition plate 2 that partitions the upper and lower storage chambers 3, 4, and the set temperature status is the glass constituting the door 9. Since it can be confirmed from the outside through the board, it is easy to use.

  Furthermore, since the upper storage chamber 3 can be a low temperature storage chamber and the lower storage chamber 4 can be a high temperature storage chamber, it is possible to reduce the cost and provide it at low cost. Can do.

  In addition, the high temperature storage chamber 4 connected to the part of the air flow path 34 provided with the damper 37 is configured so that the amount of cold air supplied can be limited by the damper 37 and at the same time, the heating means 39 is provided. When the temperature of the water becomes below a predetermined set temperature, the damper 37 is closed and the supply of cold air is stopped to prevent the temperature of the high-temperature storage chamber 4 from lowering. The means 39 can be activated to warm up.

  Therefore, even when the high temperature storage room 4 is set to a relatively high temperature of about 18 ° C. suitable for red wine storage and the outside temperature is low, the high temperature storage room 4 is about 18 ° C. suitable for red wine storage. Can be reliably maintained. Therefore, even if the outside temperature is extremely low, red wine can be reliably stored in a good state.

  At the same time, except when the outside temperature is low and the high temperature storage chamber 4 cannot be maintained at a predetermined temperature, the damper 37 can be brought to a predetermined temperature by simply closing the damper 37. It can be suppressed and energy saving can be improved.

  Furthermore, since the cooling path 14 faces the upper outlet 25 of the low temperature storage chamber 3 in the air path unit 22, the cool air can be effectively supplied to the low temperature storage chamber 3 in the shortest distance. Can do. Moreover, the upper return opening 26 to the return air passage 35 opened in the low temperature storage chamber 3 is a forward air passage connected to the lower outlet 27 of the forward air passage 34 that supplies the high temperature storage chamber 4 in the vertical direction of the central portion of the left and right. Since the extended portion 34a is positioned, the upper return ports 26 are distributed on the left and right sides of the low temperature storage chamber 3, and the cold air supplied to the low temperature storage chamber 3 is diffused widely on the left and right sides of the cooling chamber. Become.

  Therefore, the low-temperature 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 dispersive arrangement of the upper return port 26, and the stored food is excellent. Can be stored refrigerated.

  In addition, the condenser 17 and the compressor 16 constituting the refrigeration cycle for generating the cool air for cooling the storage room do not have a resistor such as an evaporating dish between the blower fan 18 and the compressor 16. Since it has a shape, the condenser 17 and the compressor 16 can be cooled strongly with a strong air flow.

  Therefore, in this refrigerator, the temperature of the compressor 16 can be efficiently lowered and the temperature of the machine room 15 can be lowered strongly. As a result, the heat insulation wall thickness at the bottom of the refrigerator main body 1 is reduced to lower the lower storage room 4. Capacity can be increased. For example, as shown by a broken line in FIG. 2, the space below the shelf 5 of the lower storage chamber 4 can be increased so that a drinking can juice can be stood and temporarily stored. improves.

  On the other hand, the refrigerator of this embodiment that operates as described above has different temperature zones for each of the storage rooms even if it supplies cold air generated in one cooling room 11 to a plurality of storage rooms. As is apparent from the description of the configuration described above, the air passage for the air passage can be easily formed simply by incorporating the air passage unit 22 into the refrigerator body 1 and can be provided at a 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 are fitted with the front air passage formation plate 23 and the rear air passage formation plate 24 that constitute the air passage unit 22. It can be formed simply by mating and fitting, and the air passage configuration can be formed extremely easily and easily compared to the case where the back air passage and the return air passage are formed directly on the backs of the storage chambers 3 and 4 of the refrigerator body 1.

  In addition, the air path unit 22 need only be assembled separately from the refrigerator main body 1 and incorporated into the refrigerator main body 1, so that it is not necessary to assemble at the recessed portion in the refrigerator main body, and the air path configuration is extremely simple and easy. Can be formed.

  Moreover, the air passage unit 22 is incorporated into the refrigerator main body 1 by engaging holes (not shown) in which the claw pieces 47 provided at the lower end portion are provided in the rear corner portion of the lower storage chamber 4 of the refrigerator main body 1. Can be carried out by simply screwing and fixing the upper both sides to the upper corner of the upper storage chamber 3 with screws 48, so that the air channel unit 22 can be easily assembled into the refrigerator body 1 itself. Can do.

  In this embodiment, since the cooling fan 14 as well as the damper 37, the upper storage chamber temperature detection means 41, the lower storage chamber temperature detection means 42 and the like are incorporated into the air passage unit 22 as a unit. The incorporation of these components is completed simply by incorporating the air passage unit 22 into the refrigerator main body 1, and the productivity is improved.

  Further, since the connectors 44 and 46 of the respective parts face the wiring connection openings 40 provided on both upper sides of the air path unit 22, the wiring connection openings 40 are provided between the inner and outer boxes of the refrigerator main body 1. Connection with the lead wire from the pulled out main body control device 20 can be performed intensively, and productivity is further improved. And since the said wiring connection opening 40 can be covered with the cover plate 49 with each connector 44,46 and the screw | thread 48 for an air path unit attachment, the inside of a storage chamber can be made clean.

  Furthermore, if the partition plate 2 is also formed of a removable shelf-like one, assembly and maintenance can be facilitated together with the air path unit 22.

  In addition, this Embodiment is a form with which there is no big difference in the temperature setting of an upper and lower store room by providing a heat insulation wall in the air path unit 22 or the partition plate 2, or not filling with a heat insulating material. It is most suitable for a wine cellar that can be set at two temperatures, a combination of a refrigerator room and a vegetable room, a combination of a refrigerator room and a chilled room, and the like.

(Embodiment 2)
The refrigerator according to the second embodiment is obtained by making the temperature zones of the upper storage chamber 3 and the lower storage chamber 4 different without providing the damper 37 used in the first embodiment.

  That is, in this embodiment, the damper 37 shown in FIGS. 6 and 9 is eliminated, and the cross-sectional area of the forward air passage 34 to the lower storage chamber 4 or the area of the lower outlet 27 is set to the upper storage chamber 3. This is smaller than the cross-sectional area of the forward air passage 34 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 0 of the sectional area of the outgoing air passage 34 to the upper storage chamber 3 or the area of the upper outlet 25. .05 or less. Thereby, even if there is no damper, the cold air to the lower storage chamber 4 is limited to 0.015-0.05 or less of the amount of cold air to the upper storage chamber 3, and the temperature of the upper storage chamber 3 and the lower storage chamber 4 The difference can be about 10 ° C. to 14 ° C., and the upper storage chamber 3 can be a low temperature storage chamber and the lower storage chamber 4 can be a high temperature storage chamber without limiting the amount of cool air with a damper. And it can be set as the refrigerator which preserve | saves wine etc. in a favorable state.

  In this case, since no damper is required, the cost can be further greatly reduced, and it can be provided at a low cost.

  Note that the configuration and operational effects other than those described above are the same as those in the first embodiment, and the description thereof will be omitted.

(Embodiment 3)
FIG. 10 is a half-cut perspective view of the refrigerator according to Embodiment 3 of the present invention.

  In this refrigerator, in contrast to the first embodiment, the upper storage chamber 3 is a high temperature storage chamber and the lower storage chamber 4 is a low temperature storage chamber.

  That is, the forward air path and the return air path formed between the front side air path forming plate 23 and the rear side air path forming plate 24 constituting the air path unit 22 are set in a reverse relation to the case of the first embodiment. The lower storage chamber 4 is supplied with the entire amount of cold air, and the upper storage chamber 3 is provided with a damper or the outlet area is reduced to limit the amount of cold air.

  As a result, the upper storage chamber 3 can be a high-temperature storage chamber suitable for preserving wine or the like, and the lower storage chamber 4 can be a low-temperature storage chamber such as an ordinary refrigeration chamber. The effect similar to the case of the form 2 is obtained.

  As mentioned above, although the refrigerator which concerns on this invention has been demonstrated using the said embodiment, this invention is not limited to this, A various change is possible within the range which achieves the objective of this invention. Needless to say.

  For example, the refrigerator of this embodiment is an undercounter type refrigerator that is built in and used in a system kitchen or the like, but may be a refrigerator that is used without being built in, or as a refrigerator that is suitable for storing wine. Although shown, it may be an ordinary refrigerator that stores food in a cold state.

  Further, in this embodiment, the case where there are two storage chambers is illustrated, but there may be two or more storage chambers and the temperature zones thereof may be different.

  Moreover, although the thing provided with the heating means was illustrated in the storage chamber used as a high temperature storage chamber, this is not necessary.

  Further, the air return path 34 of the cool air to the high temperature storage chamber 4 is positioned in the vertical direction of the central portion of the upper return opening 26 opened in the low temperature storage chamber 3 so as to be distributed in the left and right directions. However, this may be configured to be provided collectively on one side of the forward air passage 34.

  As described above, the embodiment disclosed this time should be considered as illustrative in all points and not restrictive. That is, the scope of the present invention is shown not by the above description but by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

  As described above, even if the present invention is a refrigerator that supplies and circulates cold air from one cooling chamber to a plurality of storage chambers, the complicated air passage configuration can be easily and easily configured and can be provided at low cost. . Therefore, it can be widely applied not only to wine cellars but also to general use and business use as undercounter refrigerators.

1 Refrigerator body 3 Storage room (upper storage room, low temperature storage room)
4 storage room (lower storage room, high temperature storage room)
DESCRIPTION OF SYMBOLS 11 Cooling chamber 12 Cooler 14 Cooling fan 22 Air path unit 23 Front side air path forming plate 24 Rear side air path forming plate 25 Upper outlet 26 Upper return port 27 Lower outlet 28 Lower return port 29 Front outlet air channel forming rib 30 Front-side return air passage forming ribs 31 Rear-side blowing air passage-forming ribs 32 Rear-side return air passage-forming ribs 33 Notch opening 34 Outward air passage 35 Return air passage 37 Damper 39 Heating means

Claims (7)

A plurality of upper and lower storage chambers provided in the refrigerator main body, one cooling chamber provided at the back of the refrigerator main body, and a cooling fan for supplying cold air generated in the cooling chamber to the plurality of storage chambers. In the refrigerator that supplies the cool air generated in one cooling chamber to each storage chamber by the cooling fan and cools each storage chamber to a different temperature zone, an air path unit is provided between each storage chamber and the cooling chamber of the refrigerator body. The air path unit is constituted by a rear air path forming plate facing the cooling chamber, and a front air path forming plate having a blow-out opening and a return opening that open in each of the storage chambers, and The forward air passage to one storage chamber and the return air passage from the other storage chamber to the cooling chamber, which are in a positional relationship intersecting in the vertical direction, are fitted by a fitting structure of the front air passage forming plate and the rear air passage forming plate. A compartmented refrigerator. The refrigerator according to claim 1, wherein one of the upper and lower storage chambers is a high temperature storage chamber, and a damper is provided in an air passage to the high temperature storage chamber. One of the upper and lower storage chambers is a high-temperature storage chamber, and the cross-sectional area or outlet area of the forward air path to the high-temperature storage room is smaller than the cross-sectional area or outlet area of the forward air path to the other low-temperature storage room The refrigerator according to claim 1. Among the plurality of upper and lower storage chambers, a cooling fan is disposed facing the outlet of one of the storage chambers, and the cooling fan is connected to the lower storage chamber located below the storage chamber via a forward air passage. The return port of the storage chamber in which the cooling air is disposed opposite to the cooling fan is arranged in the left and right substantially central portion of the return port, and the forward air passage to the lower storage chamber is arranged in the vertical direction to be distributed to the left and right. The refrigerator of any one of Claims 1-3. The refrigerator according to any one of claims 1 to 4, wherein a heating means is provided in one of the upper and lower storage chambers for heating when the temperature falls below a predetermined temperature. One of the upper and lower storage chambers is provided with a temperature detection means and a heating means for heating the storage chamber, and the damper is closed when the temperature of the storage chamber detected by the temperature detection means falls below a predetermined set temperature. The refrigerator according to any one of claims 1 to 4, wherein after the damper is closed, the heating means is actuated to heat when the temperature falls below a predetermined set temperature. The refrigerator according to any one of claims 1 to 6, wherein the plurality of upper and lower storage chambers have a storage chamber positioned on the upper side as a low temperature storage chamber and a storage chamber positioned on the lower side as a high temperature storage chamber.