JP4835348B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator provided with an ice making chamber.

  In recent years, refrigerators with various layouts have been put on the market (for example, see Patent Document 1).

FIG. 6 shows a conventional refrigerator described in Patent Document 1. As shown in FIG. As shown in FIG. 6, the refrigerator main body 101, the refrigerating room 102 provided on the upper part of the main body, the switching room 103 provided under the refrigerating room 102, and the switching room 103 under the refrigerating room 102 in parallel. The ice making chamber 104 provided, the freezing chamber 105 provided in the lower part of the main body, the switching chamber 103 installed in parallel, and the vegetable chamber 106 provided between the ice making chamber 104 and the freezing chamber 105 generate cold air. A cooler 107, a fan device 108 that supplies cold air to each chamber, a heat insulating wall 109 that partitions the refrigerator compartment 102, the switching chamber 103, and the ice making chamber 104, and a heat insulating wall 110 that partitions the switching chamber 103 and the ice making chamber 104. Each storage chamber is configured by the insulating chamber 111 that partitions the switching chamber 103 and the ice making chamber 104 and the vegetable chamber 106, and the insulating wall 112 that partitions the vegetable chamber 106 and the freezing chamber 105. Each storage room is cooled to a predetermined temperature by a cooler 107, a fan device 108, and a control device (not shown). The ice making chamber 104 is provided with an automatic ice making device (not shown), and is automatically made and stored in an ice storage case.
Japanese Patent No. 3212954

  However, in the above conventional configuration, due to the heat insulating walls arranged in a plane, it is difficult to secure a cooling air passage at the lower part of the ice storage case in the ice making chamber, so an efficient air passage configuration cannot be taken. The ice stored in the ice storage case is easily affected by the heat of the vegetable room at a high temperature below the ice making room, and has repeatedly been melted and solidified to cause the ice to stick to each other.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a refrigerator that improves the air path in the lower part of the ice making chamber, ensures the ice storage performance of the ice making chamber, and has improved usability.

  In order to solve the above-described conventional problems, a refrigerator according to the present invention includes a cooler that generates cold air, a fan device that supplies the cold air to each chamber, a heat insulating wall that partitions each storage chamber, and ice making and ice storage. A refrigerator having an independent ice making chamber and a storage room in a refrigerated temperature zone disposed through a heat insulating wall at the bottom of the ice making chamber, the ice making chamber includes an ice storage case, and the bottom of the ice making chamber bottom is the front A step part lower than the part is provided.

  As a result, it is possible to flow cold air to the lower part of the ice storage case in the ice making chamber without reducing the height of the ice storage case, and to prevent the heat effect from the storage room in the refrigeration temperature zone below the ice making chamber while ensuring ice storage capacity. Can be reduced.

  The refrigerator of the present invention includes a cooler that generates cold air, a fan device that supplies the cold air to each chamber, a heat insulating wall that partitions each storage chamber, an independent ice making chamber that performs ice making and ice storage, and the ice making device In the refrigerator having a storage room of a refrigerated temperature zone disposed through a heat insulating wall at the lower part of the room, the ice making chamber is provided with an ice storage case, and a concave portion is provided on the bottom surface of the ice making chamber, thereby improving the ice storage capacity of the ice storage case While securing, it is possible to reduce the heat effect from the storage room in the refrigeration temperature zone below the ice making room and prevent the ice from sticking together, improving the usability of the ice making room.

The invention according to claim 1 is a refrigerator main body, a refrigerating room provided at the top of the main body for storing food and the like, a switching room provided under the refrigerating room of the main body and switchable to a predetermined temperature zone, An ice making room provided in parallel to the switching room under the refrigerator compartment of the main body for making ice and storing ice, a freezing room provided in the lower part of the main body for freezing foods, etc., and the switching installed in parallel a vegetable compartment for storing vegetables and the like is provided between the chamber and the ice making chamber and with the freezer compartment, a cooler for generating cold air, and a fan device for supplying the cold air to the chambers, the heat insulating wall partitioning the storage rooms An ice storage case is provided in the ice making chamber, a bottom portion at the bottom of the ice making chamber is provided with a step portion lower than a front portion, a partition is provided in the step portion, and a discharge air passage and a return air passage through the partition. by forming, ensuring ice capacity of ice storage case To reduce the influence of heat from the reluctant ice compartment vegetable compartment of the lower can prevent sticking between the ice, thereby improving the usability of the ice compartment.

According to a second aspect of the present invention, in the first aspect of the present invention, a partition is provided at a step portion at the bottom of the ice making chamber, and a discharge air passage and a return air passage are formed through the partition, thereby forming an ice making machine. It becomes possible to efficiently flow cool air to the lower part of the indoor ice storage case.

According to a third aspect of the present invention, in the first aspect of the invention, a partition is provided on the lower surface of the ice storage case installed in the ice making chamber, and a discharge air passage and a return air passage are formed via the partition. Thus, it is possible to efficiently flow cold air under the ice storage case in the ice making chamber.

According to a fourth aspect of the present invention, in the invention of the second or third aspect , the partition is formed perpendicular to the front-rear direction, and the discharge air flow path and the return air flow path are formed in the left-right direction via the partition. Thus, it is possible to efficiently and surely flow cold air to the lower part of the ice storage case in the ice making chamber.

According to a fifth aspect of the present invention, in the invention of the second aspect , the partition is formed horizontally in the front-rear direction, and the discharge air passage and the return air passage are formed in the vertical direction via the partition. It is possible to efficiently and surely flow cool air to the lower part of the ice storage case in the ice making chamber.

The invention according to claim 6 is the invention according to any one of claims 1 to 5 , wherein a convex portion is formed on the heat insulating wall facing the step at the bottom of the ice making chamber bottom of the ice making chamber lower storage chamber. Thus, the thickness of the heat insulating wall on the lower surface of the ice making chamber can be secured, and the heat absorption amount of the ice making chamber can be reduced.

The invention according to claim 7 is the invention according to any one of claims 1 to 6 , wherein the ice making chamber has a height dimension of 100 to 160 mm, thereby ensuring the ice storage performance of the ice making chamber, and the like. It is possible to simultaneously increase the capacity of the storage room.

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

(Embodiment 1)
FIG. 1 is a front view showing an air path of a refrigerator according to Embodiment 1 of the present invention. FIG. 2 is a side sectional view showing a heat insulating wall that partitions the switching room and ice making room from the vegetable room according to Embodiment 1 of the present invention.

  As shown in FIG. 1, a refrigerator body 1 includes a refrigerator room 2 provided at the top of the refrigerator body 1 for storing food and the like, and a refrigerator room, a refrigerator, a chilled food, etc. A switching chamber 3 that can be switched to the temperature zone, an ice making chamber 4 that is provided in parallel with the switching chamber 3 under the refrigeration chamber for making and storing ice, and a freezer that is provided at the bottom of the refrigerator body 1 and freezes food and the like. A chamber 5, a vegetable room for storing vegetables and the like between the freezing room and the switching room and ice making room installed in parallel; a cooler for generating cold air; and a fan device for supplying the cold air to each chamber And a heat insulating wall 9 that partitions the refrigerating chamber 2 from the switching chamber and the ice making chamber, and a heat insulating wall 10 that partitions the switching chamber 3 and the ice making chamber 4. A heat insulating wall 11 that partitions the switching chamber 3, the ice making chamber 4, and the vegetable chamber 6, and a heat insulating wall 12 that partitions the vegetable chamber 6 and the freezing chamber 5 are disposed. If the insulating wall 11 that partitions the switching chamber 3 and the ice making chamber 4 and the vegetable chamber 6 is filled with urethane foamed at the same time as the refrigerator main body 1, the rigidity of the refrigerator main body 1 can be improved and high heat insulating performance can be obtained. . In addition, by using foamed polystyrene for the heat insulating wall 11 that partitions the switching chamber 3 and the ice making chamber 4 from the vegetable chamber 6 and making it a separate component from the refrigerator main body 1, it is possible to improve assemblability and to limit the installation size of the cooler 7. The large-sized cooler 7 can be mounted by reducing the size.

  In FIG. 2, the heat insulating wall 11 that partitions the switching room 3, the ice making room 4, and the vegetable room 6 is non-linear with the heat insulating wall 11 a on the front side of the refrigerator body 1 and the heat insulating wall 11 a on the back side of the refrigerator body 1. It is divided into heat insulating walls 11b that are connected to form a stepped portion.

  In addition, if the lower surface of the heat insulation wall 11b is made into a straight line, the air passage of the lower part of the ice storage case 19 can be easily secured without reducing the capacity of the vegetable compartment. Moreover, the thickness of a heat insulation wall can be ensured by forming the convex part facing the said step part on the vegetable compartment side, and making the heat insulation wall 11b swell, and can reduce the heat absorption amount of the ice making chamber 4. it can. In addition, by inflating the back side of the vegetable compartment 6, the plastic bottle stored in the vegetable compartment 6 can be prevented from falling. In addition, an ice making chamber discharge air passage 13 that carries the cold air generated by the cooler 7 to the ice making chamber and an ice making chamber return air passage 14 that returns the cold air from the ice making chamber 4 to the cooler 7 are installed on the back of the ice making chamber 4. Yes. The ice making chamber discharge air passage 13 is provided at the ice making machine discharge port 16 to be discharged to the ice making machine 15 provided at the upper portion of the ice making chamber 4 and at the rear of the heat insulating wall 11b which is provided at the lower portion of the ice making chamber 4 and forms a step portion. Branches to the ice storage discharge port 17 located.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  The cold air generated by the cooler 7 passes through the ice making chamber discharge air passage 13, cools the ice making chamber 4, passes through the ice making chamber return air passage 14, and returns to the cooler 7. At this time, the other storage chambers are cooled by the respective discharge baths and return air passages. By reducing the air passage area on the front side of the ice making chamber 4 with respect to the back side, it is possible to easily adjust the return air volume of the cold air discharged from the ice making discharge port 16 from the lower part of the ice storage case, and the ice storage discharge port. The amount of discharge air from 17 can be increased, and the ice storage performance can be improved.

  Further, since the ice storage performance can be improved with a small number of air passages, a sufficient number of ice storage can be secured even when the height of the ice making chamber is about 100 to 160 mm, and the capacity of other storage chambers can be increased.

(Embodiment 2)
FIG. 3 is a front sectional view of the ice making chamber of the refrigerator according to the second embodiment of the present invention. Detailed description of the same configuration as that of the first embodiment will be omitted.

  In FIG. 3, a partition 18 is installed vertically in the front-rear direction on the heat insulating wall 11 b that forms the step of the heat insulating wall 11 that partitions the switching chamber 3, the ice making chamber 4, and the vegetable chamber 6. Are divided into an air passage for cold air discharged from the ice storage discharge port 17 and an air passage for introduction into the ice making chamber return air passage 14. In addition, the partition 18 can reduce a number of parts by making it integral structure with the heat insulation wall 11 which partitions off the switching chamber 3, the ice making chamber 4, and the vegetable chamber 6. FIG.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  Cold air can be rectified by dividing the air path of the ice storage discharge port 17 by discharge and return via the partition 18, the amount of ice storage discharge air can be improved, and it is easy to ensure ice storage performance. .

(Embodiment 3)
FIG. 4 is a front sectional view of an ice making chamber of a refrigerator according to Embodiment 3 of the present invention. Detailed description of the same configuration as that of the first embodiment will be omitted.

  In FIG. 4, a partition 20 is vertically installed in the front-rear direction on the lower surface of the ice storage case 19 located on the heat insulating wall 11 b that forms the stepped portion of the heat insulating wall 11 that partitions the switching chamber 3 and the ice making chamber 4 from the vegetable chamber 6. The air flow is divided into an air passage for cold air discharged from the ice storage discharge port 17 in the left-right direction via the partition 20 and an air passage for introduction into the ice making chamber return air passage 14.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  Cold air can be rectified by dividing the air path of the ice storage discharge port 17 by discharge and return through the partition 20, and the amount of discharge air for ice storage can be improved, and it is easy to ensure ice storage performance. .

  Moreover, in this Embodiment, since a partition is not installed in the heat insulation wall 11, the jig | tool shape for supporting the foaming pressure at the time of the urethane foam to the heat insulation wall 11 can be simplified.

  Moreover, you may install a partition from the heat insulation wall 11 side which partitions off the switching chamber 3 and the ice making room 4, and the vegetable compartment 6, and the ice storage case 19 side from both sides. In this case, both parts can be designed to be small, and the die cost for molding each part can be reduced.

(Embodiment 4)
FIG. 5 is a side sectional view showing a heat insulation wall that partitions the switching room and ice making room from the vegetable room according to Embodiment 4 of the present invention.

  In FIG. 5, a partition 21 is installed horizontally in the front-rear direction above the heat insulating wall 11 b that forms a step portion of the heat insulating wall 11 that partitions the switching chamber 3, the ice making chamber 4, and the vegetable chamber 6. It is divided into an air passage for cooling air discharged from the ice storage discharge port 17 in the vertical direction and an air passage for introduction into the ice making chamber return air passage 14.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  By dividing the air path of the ice storage discharge port 17 in the vertical direction by the partition 21 by discharge and return, the cold air can be rectified, the discharge air volume for ice storage can be improved, and the ice storage performance can be easily secured. Become.

  Moreover, by dividing in the vertical direction, it is possible to flow cold air having a low temperature immediately after discharging into the entire lower part of the ice making chamber 4, and the influence from the vegetable chamber 6 can be reduced over the entire ice storage case 19. The difference in performance can be reduced and ice sticking can be prevented.

  As described above, the refrigerator according to the present invention is provided with an ice making chamber, and is provided with an air passage in the lower part of the ice storage case to improve ice storage performance. A storage room having a refrigeration temperature zone below the ice making chamber. It can also be applied to improve the ice storage performance of refrigeration equipment in general.

The front view which shows the air path of the refrigerator explaining Embodiment 1 of this invention Side sectional view of a refrigerator for explaining Embodiment 1 of the present invention Front sectional view of the ice making chamber of the refrigerator for explaining the second embodiment of the present invention Front sectional view of the ice making chamber of the refrigerator for explaining Embodiment 3 of the present invention Sectional side sectional view of the main part of the ice making chamber of the refrigerator, which explains Embodiment 4 of the present invention Front view showing the air path of a conventional refrigerator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Refrigerator body 2 Refrigeration room 3 Switching room 4 Ice making room 5 Freezing room 6 Vegetable room 7 Cooler 8 Fan device 9 Insulating wall which separates refrigeration room from switching room and ice making room 10 Insulating wall which separates switching room and ice making room 11 Switching room And a heat insulating wall 11a that separates the ice making room and the vegetable room 11a a front side of the heat insulating wall that partitions the ice making room and the vegetable room 11b a rear side of the heat insulating wall that partitions the switching room and the ice making room and the vegetable room 12 heat insulation that separates the vegetable room and the freezing room Wall 13 Ice making chamber discharge air passage 14 Ice making chamber return air passage 15 Ice making machine 16 Ice making outlet 17 Ice storage outlet 18 Partition 19 Ice storage case 20 Partition 21 Partition

Claims (7)

A refrigerator body, a refrigeration room provided above the main body for storing food, etc., a switching room provided under the refrigeration room of the main body and capable of switching to a predetermined temperature zone, and under the refrigeration room of the main body in the ice making chamber for ice and ice is provided in parallel to the switching chamber, a freezing chamber for freezing the foods provided in a lower portion of the main body, and the freezing chamber and the switching chamber and ice making chamber installed in parallel a vegetable compartment for storing vegetables and the like is provided between the, a cooler for generating cold air, and a fan device for supplying to each chamber the cold air has a heat insulating wall partitioning the respective storage compartment, the ice making chamber A refrigerator comprising an ice storage case, wherein the bottom part of the bottom of the ice making chamber is provided with a step part lower than the front part, a partition is provided in the step part, and a discharge air passage and a return air passage are formed through the partition. . The refrigerator according to claim 1 , wherein the partition is provided at the bottom of the bottom of the ice making chamber . The refrigerator according to claim 1 , wherein the partition is provided on a lower surface of an ice storage case installed in an ice making chamber. The refrigerator according to claim 2 or 3 wherein the partition is vertically formed in the longitudinal direction, and forming the discharge air path and return air path in the lateral direction through the partition. The refrigerator according to claim 2 , wherein the partition is formed horizontally in the front-rear direction, and the discharge air flow path and the return air flow path are formed in the vertical direction through the partition. The refrigerator according to any one of claims 1 to 5 , wherein a convex portion is formed on the heat insulating wall facing the step portion at the bottom of the ice making chamber bottom in the ice making chamber lower storage chamber. The height dimension of the ice making chamber is 100 to 160 mm, and the refrigerator according to any one of claims 1 to 6 .

Images