KR20060053132A - Refrigerator - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to propose a refrigerator having an automatic ice maker using an ice maker that can be made suitable for making a nice ice and having a variable water supply amount.

In the refrigerator 1 provided with the automatic ice maker which supplies water in the water supply tank 10 installed in the refrigerating chamber 2 to the ice-making pan 14 provided in the freezer compartment 4, and performs ice-making, the ice-making pan 14 is The longitudinal direction is divided into a plurality of rows by the vertical partition walls 16, and each column partitioned into a plurality of rows by the vertical partition walls 16 is partitioned into a plurality of ice making blocks 18 by the horizontal partition walls 17. And a drive unit 13 for rotating, as a central axis, between one row and the other row divided by a plurality of rows of the ice making dish 14, and the outer wall 28 of the ice making block 18 is formed by the rotation of the central axis portion. It is comprised so that the circle | round | yen which the rotary track 27 of the ice-making dish 14 makes may contact in multiple places, and wall parts other than the outer wall 28 of the ice-making block 18 also matched with the shape of the outer wall 28, The ice-making block 18 ) Is a polygon.

Cold room, water tank, freezer, ice tray, partition wall

Description

Refrigerator {REFRIGERATOR}

1 is a longitudinal sectional view of a refrigerator in accordance with a first embodiment of the present invention;

2 is a perspective view of an automatic ice maker.

3 is a diagram schematically showing an appearance for explaining a water supply operation;

4 is a view indicated by the P arrow of FIG.

Fig. 5 is a diagram showing a state in which the ice tray is rocked from side to side.

FIG. 6 is a view explaining the motion of water in the solid line ice tray of FIG. 5; FIG.

FIG. 7 is a view explaining the motion of water in the double-dot chain line ice tray of FIG. 5; FIG.

8 is an ice making control flowchart of this embodiment.

Fig. 9 is a view of the ice tray 14 of the embodiment seen from the back side;

10 is a cross-sectional view taken along line AA of FIG.

FIG. 11 is a sectional view taken along the line BB of FIG.

12 is a diagram schematically showing the water level.

Fig. 13 is a diagram showing the relationship between the amount of water supplied to the ice making tray and the drive time of the feed water pump;

14 is a view showing an ice shape made of a conventional refrigerator assembly automatic ice maker.

15 is an explanatory view of the operation of the conventional refrigerator-assembled automatic ice maker.

Fig. 16 is a view in which a twisting operation is applied to the ice tray of the automatic ice maker of Fig. 15;

FIG. 17 is an ice making control flowchart of the automatic ice maker of FIG. 15; FIG.

Fig. 18 is a diagram showing the relation between the rotational trajectory of the ice tray and the shape of the ice tray and the attachment state of the temperature sensor.

<Explanation of symbols for the main parts of the drawings>

1: refrigerator body

8: automatic ice maker

11a: tip pipe

13 drive unit

13a: drive shaft

14: ice tray

14a: bearing part

14c: convex

16: bell partition wall

17: horizontal partition wall

18: ice making block

19: home

27: rotating track

28: outer wall

29: inner wall

[Document 1] Japanese Unexamined Patent Publication No. 2002-174475

The present invention relates to a refrigerator equipped with an automatic ice maker.

There exists a thing of patent document 1 as a refrigerator with an automatic ice maker. This Patent Document 1 discloses a configuration in which an ice maker for horizontally supporting an ice making dish in an ice making chamber of a refrigerator and rotating the ice making tray on an axis portion located in the center in the width direction is provided above the storage box. In this configuration, forward and reverse rotation of the ice tray is performed in accordance with the storage state in the storage box to prevent the iced ice from shifting to one place in the storage box and to improve the storage efficiency.

That is, the refrigerator in which the automatic ice maker is assembled arranges the automatic ice maker which has an ice maker in a refrigerator compartment, supplies a fixed quantity of water to an ice maker from the water bottle installed in the refrigerator compartment, and performs ice-making in the ice tray installed in a freezer compartment, After the completion of the ice making, the ice tray is rotated and twisted, and ice is automatically made by dropping the ice in the ice bank installed at the lower portion thereof.

[Patent Document 1] Japanese Unexamined Patent Publication No. 2002-174475

The problems of the prior art will be described with reference to Figs. In the automatic ice maker 100, the ice maker 103 is rotatably supported by the ice maker 102 disposed above the ice bank 101. This ice making dish 103 is comprised so that ice may be iced by rotating clockwise as shown in FIG.

In addition, the ice maker 102 is provided with an ice detection lever 104 for detecting the amount of ice stored in the ice bank 101. The ice detection lever 104 rotates the ice tray 103 at the time of ice. It is installed in the side, ie, the side where ice falls. And it is comprised so that a storage quantity can be detected. In addition, the said ice-making dish 103 is arrange | positioned near the cold air | gas outlet (not shown) of the back surface of a freezer compartment.

Therefore, the ice making dish 103 is provided inclined inside the ice bank 101 in the depth direction. Moreover, about the width direction, it is provided in the substantially center of the ice bank 101. As shown in FIG.

Next, a control method of the automatic ice maker 100 will be described with reference to FIG. In step 105, a predetermined amount of water is supplied to the ice making dish 103 by a water supply device (not shown) disposed in the refrigerating chamber. Then, ice making is performed by cold air taken out from the cold air outlet.

Subsequently, after a predetermined time has elapsed, it is detected in step 106 whether ice making is completed. Specifically, it is determined that ice making is completed when the sensor temperature (not shown) attached to the ice making dish 103 becomes below predetermined temperature.

When it is judged that ice making is completed, next, in step 107, the amount of ice stored in the ice bank 101 is detected by lowering the ice detection lever 104 by the ice detection lever 104.

When it is detected in step 108 that the amount of ice storage is not full, the flow advances to step 109, and as shown in Fig. 16, the ice tray is reversed to enter an ice-making operation in which ice is dropped from the ice tray.

When this ice moving operation is completed, the flow returns to step 105 to perform a water supply operation. By repeating this, the automatic ice maker 100 can store a predetermined amount of ice in the ice bank 101.

The ice tray 103 of the automatic ice machine assembly refrigerator having such a configuration has a vertical partition wall that divides the axial direction into two rows and a horizontal partition wall that divides the longitudinal direction of the ice tray 103 into four to five ice blocks. . The ice tray 103 is automatically supplied with water, for example, around 100 kPa once, from the water bottle provided in the refrigerating chamber.

In addition, since the water supply pipe for supplying water of about 100 kPa to the ice tray 103 is fixed to the freezer ceiling or the like, the water pipe intensively supplies water to one or two ice blocks of the ice tray 103. The water supplied in this way is distributed through the guide grooves (grooves provided on the partition walls) to the remaining six to eight ice blocks using the elevation. Moreover, this guide groove is provided in the said longitudinal, horizontal partition wall.

At this time, an ice making block that is not exposed to water may be generated. This is because when the water to be flowed to the adjacent ice making block is far from the water supply position, the height difference becomes small, which is a factor that hinders the movement of the water due to the resistance of the guide groove, that is, the height difference of the water, the surface tension, and the length and width of the groove. .

In this type of automatic ice maker assembling refrigerator, as shown in FIG. 18, a temperature sensor 114 is attached to the back surface of the ice making dish 103. The temperature sensor 114 is, for example, a thermistor fixed with a resin, and has an elongated circular rod shape having a width of 15 mm, a thickness of 10 mm, and a length of 40 mm. It is necessary to secure a space for attaching the temperature sensor 114 having this shape to the rear surface of the ice making tray 103. Therefore, the wall (hereinafter referred to as an inner wall) 117b on the side opposite to the ice making block 117 disposed in another column with the vertical partition wall of the ice making block 117 interposed therebetween is formed on a straight line, that is, both The inner wall is made into a V shape.

The temperature sensors 114 are usually attached over two to four portions of the ice making block 117, which are four to five in a row (8 to 10 in total). In other words, although the ice making blocks 117 other than 2-4 did not need to be made into V shape, it was conventionally made according to the shape of the ice making blocks for 2-4 pieces. In addition, the outer wall 117a was made in contrast with the inclination of the inner wall 117b of the ice making block 117.

Therefore, as shown in Fig. 18, when viewed from the circle of the rotational track which the ice making dish 103 makes for ice, it is said that the generated ice was an ice making block which is greatly reduced. In addition, as shown in the figure, the temperature sensor 114 is attached to the ice making tray 103 with the attachment hole 116 via the heat insulating material 115.

In addition, since the water supply operation shown in Fig. 17 always performs a predetermined constant operation, it is not possible to change the operating time of the water supply pipe, for example, in order to change the water supply amount to the ice making tray. In other words, automatic ice makers were always set to make ice of a certain size. Therefore, according to the needs of the user, there is no research to make ice of the public (standard) by ice tray.

This is because, as described above, the capacity of the ice trays provided in the determined space (the capacity of each ice tray) was small, so that the size was limited even with large ice. In other words, even if small ice could be selected from the ice of limited size, it became very small ice and it was not meaningful to make ice of mass in this ice making block.

In addition, when making small ice, the height difference between the levels of each ice making block does not become very large. Even if it wants to flow water into each ice making block, it does not liven up flowing water, and it is excellent in the surface tension of ice or the resistance of a guide groove. The problem was that the water supplied from the water supply pipe did not flow into each ice block.

Since the ice trays of the automatic refrigerator ice maker for conventional refrigerator assembly refrigerators have a temperature sensor between the ice maker blocks, the ice maker blocks have a V-shape, and thus the ice masses formed in this form have a mountain shape and are commercially available due to their small volume. There was a problem that there was no look when compared to the ice shape.

In addition, since water is supplied so that the water level is higher than that of the grooves provided in the partition walls between the respective ice making blocks, the grooves become connection portions between the ice made by the adjacent ice making blocks. This connection is released by the impact of the ice bank and the ice falling from the ice making tray, but as shown in FIG. This protrusion 109 not only shapes the shape of the ice but also becomes annoying when the ice is put in the mouth. That is, in the conventional example, there existed a subject that the big protrusion part will be formed in the ice-making ice.

In addition, this type of automatic ice maker assembly refrigerator has a structure in which the ice is rotated with a driving motor to move the iced ice from the ice tray, and the ice tray is applied to the ice tray. Therefore, the space of the rotation track | route in which an ice tray rotates is secured around the ice tray. As a result, there was a limit to making large ice. In other words, if one wants to make an ice tray that can select a mass of ice, there is also a problem that the ice tray is inevitably larger and the installation space of the automatic ice maker is increased.

In addition, if the size of the ice can be selected, the amount of water supplied decreases when making ice of small size, and there is a problem that water cannot flow through the entire ice making block as described above.

This invention is made | formed in view of the said subject.

That is, in the refrigerator provided with the automatic ice maker which supplies water in the water supply tank installed in the refrigerating chamber to the ice making tray provided in the freezer, and performs ice-making, The said ice making tray is divided into multiple rows by the partition wall in the longitudinal direction, Each column partitioned into a plurality of rows by the partition wall is partitioned into a plurality of ice-making blocks by the horizontal partition wall, and has a drive unit which rotates as a central axis between one row and another row partitioned by the plurality of rows of the ice tray. The outer wall of the ice making block is configured to contact a circle made by the rotational trajectory of the ice making tray by the rotation of the central axis portion in a plurality of portions, and the wall portions other than the outer wall of the ice making block are matched with the outer wall shape. The ice making block is a polygon.

Moreover, the edge part of the outer wall of the said ice-making plate is arrange | positioned outside the straight line which connects between the outer edge part of the lowest surface of the said ice-making block, and the outer upper end part of the said ice-making plate.

In addition, the corner portion is characterized in that the contact with the circle made by the rotating track.

Further, a temperature sensor extending in the longitudinal direction of the ice tray is disposed below the central axis between the one row and the other row, and the flat portion formed on the outer wall has the temperature sensor of the plurality of ice blocks. It is set as the plane part smaller than the plane part formed in the wall part of the said temperature sensor side of the ice-making block of an arrangement part.

In addition, a groove is formed in the partition wall and the lateral partition wall, and the width of the groove is 6 mm or less.

A refrigerator having an automatic ice maker for supplying water in a water supply tank installed in a refrigerating chamber to an ice maker in the freezer compartment to perform ice-making, the present invention provides water to the ice tray through the water supply pipe. And a control unit for controlling the water supply unit based on input information from a switch provided on the refrigerator main body side, and varying the driving time of the water supply unit to vary the amount of water supplied to the ice making dish.

Further, the ice trays are partitioned in a plurality of rows by partition walls in the longitudinal direction, and each row partitioned into a plurality of rows by the partition walls is partitioned into a plurality of blocks by a horizontal partition wall, and a plurality of rows of the ice trays. A drive unit for rotating as a central axis between one row and another row partitioned, wherein an outer wall of the ice making block is configured to contact the circle made by the rotational track of the ice tray by the rotation of the central axis part at a plurality of locations; The wall parts other than the outer wall of the said ice making block are also matched with the said outer wall shape, Comprising: The groove | channel is formed in the partition wall and the horizontal partition wall partitioned by the said several ice-making block.

In addition, after the water is supplied to the ice tray, it is characterized in that to give a rocking motion to incline the ice tray by rotating the ice tray to the central axis portion.

The controller may also control the oscillation operation based on the input information.

A refrigerator having an automatic ice maker for supplying water in a water supply tank disposed in a refrigerating chamber to an ice making tray provided in a freezer compartment to perform ice making. The present invention provides a method for returning the ice making tray to a horizontal position after the ice making tray is inclined. To give a rocking motion.

In addition, the rocking motion is performed after the water is supplied to the ice tray from the water supply tank and before the ice-making operation.

The ice tray is divided into a plurality of rows by partition walls in a longitudinal direction, and the water in the water supply tank is supplied to the ice tray by a water supply pipe extending upward of the ice tray, and the tip portion of the water supply pipe is Located directly above one row of rows divided into a plurality of rows of ice trays, the rocking motion is a central axis between the one row of the ice trays and the other row, inclining the one row of the ice trays to be higher. It is characterized in that the inclined so as to increase the heat of the ice tray after.

In addition, each row divided into a plurality of rows by the partition wall is partitioned into a plurality of ice-making blocks by a horizontal partition wall in which a groove is formed, and the leading end of the water supply pipe is located directly above the horizontal partition wall. will be.

A water supply device for supplying water from the water supply tank to the ice making tray through the water supply pipe is provided, and the driving time of the water supply and the inclination of the rocking motion are based on input information from a switch provided on the refrigerator main body side. It is characterized by controlling.

In addition, it is characterized in that for using the drive motor for rotating the ice making dish to give the rocking motion.

Details of the present invention will be described below in the embodiments shown in the drawings.

1 is a longitudinal sectional view of a refrigerator according to a first embodiment of the present invention. The refrigerator main body 1 has the refrigerating chamber 2, the vegetable chamber 3, and the freezing chamber 4 from the top, and the opening part of a front surface is closed by the door, respectively. In the present embodiment, the refrigerating chamber 2 is covered with a front surface by the rotary refrigerating chamber door 5. The refrigerating chamber door 5 may be a left-right door. The vegetable compartment 3 located below the refrigerating compartment 2 is covered with a drawer-type vegetable compartment door 6 on its front face, and is configured such that a vegetable container (not shown) is taken out together by taking out the vegetable compartment door 5. have. The refrigerating compartment door 7 is also a drawer-type door similarly to the vegetable compartment door 6, and the freezer container which is not shown in figure is taken out together by taking out the freezer compartment door 7.

An automatic ice maker 8 is provided in the freezer compartment 4, and an ice bank 9 for storing ice produced by the automatic ice maker 8 is disposed below the automatic ice maker 8. The ice bank 9 can store 80 to 100 pieces of ice chunks made from the ice trays of the automatic ice maker 8. That is, since there are about 8-10 ice-making blocks of an ice-making dish, the ice bank 9 can store the ice produced in the automatic ice-making machine 8 in the ice bank 9 several times.

In contrast to the ice tray of the automatic ice maker 8, a bottle for supplying water for ice making is arranged in the refrigerating chamber 2. Shown at 10 is the water supply bolt. The water supply bolt 10 has a capacity for storing water, for example, about 1000 kPa to 1200 kPa. The water in this water supply bolt 10 is pumped up by the water supply pump 12, and is supplied to the ice making tray via the water supply pipe 11 extended above the ice making tray through the rear surface of the vegetable chamber 3. The tip end 11a of the water supply pipe 11 is located above the ice tray of the automatic ice maker 8, and is arrange | positioned so as to oppose the water supply block of an ice tray as mentioned later. In addition, when supplying water, a fixed amount of water is supplied to an ice making dish as mentioned later. In this embodiment, the quantity of water required in the ice trays, for example, 100 kPa, is supplied to the ice trays by the operating time of the feed pump 12, for example, 9 seconds.

In the present embodiment, the feed water pump 12 is used as a water supply for supplying water to the ice making tray. However, the water supply pump 12 does not necessarily need to be a pump, and may be a water supply capable of supplying water required for ice making to the ice making tray.

In addition, the freezing chamber 7 does not need to be covered with one door. That is, it is good also as a structure which is equipped with the ice-making chamber of independent refrigeration temperature zone, for example, and covers the ice-making chamber front surface with the ice-making chamber door. In such a case, the ice bank 9 may be taken out together when the ice making chamber door is taken out as the drawer door. In the case where the ice bank portion is provided in the freezing vessel, the freezing vessel in the freezing chamber 4 may be configured so that the ice bank portion is positioned at a position just below the ice maker of the upper vessel.

2 is a perspective explanatory view of the automatic ice maker, and shows an automatic ice maker 8 and an ice bank 9 related to automatic ice making. The automatic ice maker 8 includes a drive unit 13 incorporating a drive motor, an ice maker 14, and a frame 15 associated with the ice maker 14 and the drive unit 13.

The drive shaft 13a is fitted to the bearing portion 14a provided on one side of the ice making tray 14, and the boss 14b provided at the other corner of the ice making tray is fitted to the frame 15, and the driving portion 13 side is fitted. The ice making dish 14 is rotated with the rotation of the drive motor. A convex portion 14c protruding rearward is provided at an end opposite to the drive portion 13 of the ice making dish 14, and this convex portion 14c has an ice making dish 14 when the ice making dish 14 rotates a predetermined amount. It is comprised so that it may contact with the stopper 15a provided in the rear frame 15.

In other words, the ice making dish 14 rotated by the drive motor is a form in which the temporary rotation is stopped when the convex portion 14c and the stopper 15a come into contact with each other, but the driving motor further rotates to make the ice making dish 14 rotate. The ice tray 14 is twisted between the bearing portion 14a side and the side where the boss 14b contacts the stopper 15a. The ice making dish 14 is formed of a material having flexibility, and by being twisted in this way, the ice in the ice making dish 14 peels from the ice making dish 14 and falls to the ice bank 9 side. After a predetermined amount of rotation has been applied by the drive motor (i.e., by ice ice and falling from the ice tray 14), the drive motor is reversed, and the ice tray 14 is moved from the horizontal position to the half anti-ice operation side. Rotate

At this time, the boss 14b side of the ice making tray 14 is maintained in a horizontal position, and the bearing part 14a side of the ice making tray 14 is twisted slightly to the anti-ebbing operation side from the horizontal. By twisting to the half half ice-operation side in this way, the twisting characteristic of the ice-making dish which arises by the torsion at the time of ice-making can be corrected. After that, the ice tray 14 is returned horizontally to receive the water supply from the tip portion 11a of the water supply pipe shown in FIG.

The ice making dish 14 divides the longitudinal direction of the refrigerator 1, that is, the longitudinal direction into two rows by the vertical partition walls 16, and divides the longitudinal direction into the water partitions by the horizontal partition walls 17. Such vertical partition walls 16 And a plurality of ice-making blocks 18 by the horizontal partition walls 17. The grooves 19 are provided in the vertical and horizontal partition walls 16 and 17 between the respective ice making blocks 18. The grooves 19 direct water from one ice making block 18 to another ice making block 18. The larger the groove width W of this groove 19, the more effective it is as a guide groove for water. However, when ice generated by a plurality of ice making blocks is integrated into the ice bank, it becomes difficult to use it. Therefore, in the present embodiment, for example, when the groove width W is 6 mm or less, the ice made of one ice making block 18 when the ice is dropped in the ice bank 9 and iced down is stored in the ice bank 9. It is set so that it will not stick with the ice which the other ice-making block 18 produced. That is, it is set as the groove width | variety in which each ice is isolate | separated by the torsion applied to the ice-making dish 14 at the time of ice-break, and the impact at the time of falling.

With such a groove width, even when the water in the guide groove 19 freezes with the inside of the ice making block 18, it causes the appearance or the texture to be degraded like the large connecting portion 109 shown in the conventional example of FIG. It's a small connection.

In this groove width, however, the guide groove 19 is resisted from the relation with the surface tension of the water and the relation with the amount of water supply, so that the deicing block 18 cannot be uniformly fed. There is a case. That is, the height difference of the water (for example, 1000 kPa of water) supplied to the ice-making dish 4 is small, and water may not be able to come and go even with the guide groove 19. This problem is mentioned later.

3 is a diagram schematically showing an external appearance for explaining the water supply operation. As described above, water is pumped up from the water supply bolt 10 by the water supply pump 12, and the water pumped up from the water supply pipe 11a to the ice tray 14 through the water supply pipe 11. Water is supplied. In the step of accommodating the water supply, the ice making dish 14 is kept in a horizontal state as shown in the figure in an empty state.

In the present embodiment, the water supply bolt 10 is a bolt capable of storing water of about 1000 kPa to 1500 kPa, and the ice making dish 14 is configured to enter water of about 100 kPa. By performing an ice making operation from the water supply bolt 10 to the ice making plate 14, it is the role of the water supply pump 12 to send 100 kPa of water, for example. The controller (not shown) controls the operation of the water feed pump 12 to supply the amount of water determined by the water feed pump 12. That is, the control unit controls the operation time of the feed water pump 12, for example, to send exactly 100 kPa of water in 9 seconds. Therefore, the water supply pipe 12 of the water supply to the ice making dish 14 is operated for 9 seconds.

The water pumped up from the water supply bolt 10 by the water supply pipe 12 is supplied to the A portion (Fig. 3) of the ice making dish 14 by the water supply pipe 11 through the water supply pipe tip pipe 11a. This part A is a part which shows the tip pipe 11a and the ice-making block 18 located in the lower part, and the water falling from the tip pipe 11a is supplied to the ice-making block 18 in part A for the first time.

Moreover, the position of the front-back direction of the refrigerator 1 of the front end pipe 11a is arrange | positioned so that it may become substantially upper part of the horizontal partition wall 17 between the ice-making blocks 18 as shown in the figure.

When water is supplied to the A part, the water level of this part (the ice making block 18) rises for a moment as shown in L2 of FIG. 4, so that the water supplied is made using the height difference as shown in the arrow A of FIG. To 18). Finally, the water level in the ice making block 18 of the whole ice making dish 14 by the guide groove 19 reaches the same level (it is the whole ice making block 18 of 2 rows although it is not shown in figure). That is, the guide grooves 19 of the present embodiment are all provided on the horizontal partition wall 17 so as to be guided to the entire ice making block 18 in the longitudinal direction.

The guide groove 19 will be described with reference to FIG. 4 is a view indicated by the P arrow of FIG. The groove width W of the guide groove 19 provided in the horizontal partition wall 17 has shown the same thing as the guide groove form demonstrated in FIG. The depth L1 of this guide groove 19 is formed to a depth sufficient to guide water to each ice making block 18. In this embodiment, the grooves 19 are provided to uniformly guide the water to the ten ice making blocks 18. Accordingly, water is supplied to all of the ice making blocks 18 arranged in parallel in the longitudinal direction.

In addition, the position in the width direction of the refrigerator 1 of the tip pipe 11a is located directly above one row of the ice making blocks 18 provided in two rows in the width direction (water supply block 18 on the left side of FIG. 4). It is arranged. That is, according to this embodiment, as shown in part A of FIG. 3, water falling from the tip pipe 11a is first supplied to one row in the width direction, and part A of FIG. From the ice making block 18 shown in the drawing, through the guide groove 19, it is led to each block as shown by arrow a in FIG.

Next, with reference to FIG. 5, the rocking motion of the ice making dish 14 will be described. In this embodiment, in order to average the water level in each ice making block 18, a series of rocking | movement operation | movement which inclines the ice making pan 14 and returns horizontally is performed. This rocking motion is performed by the drive of the drive unit 13, but this rocking motion is controlled by a control unit (not shown) similarly to the control in the case of the ice breaking operation.

Fig. 5 shows a state in which the ice tray 14 in the state of Fig. 4 is rocked from side to side. That is, the ice making dish 14 in the state of FIG. 4 is inclined (swing) like the solid line or the two-dot chain line of FIG. 5 when water supply is received from the water supply pipe 11. At this time, the amount by which the ice tray 14 is inclined is an inclination angle at which water in the ice tray does not overflow.

This rocking operation has a high water level on the ice making block 18 (water feed block 18 on the left side of FIG. 4) that first received the water supply, so that the other side is lowered first on the ice making block 18 side that accommodates the water supply. To incline (solid line in Fig. 5) to achieve the operation. In addition, this swinging operation repeats the state of the solid line and the dashed-dotted line of FIG. 5 several times.

That is, in the ice tray 14 composed of two rows of ice making blocks 18, when the tip pipe 11a is provided above the ice making block 18 (the left side in Fig. 4) on one side, the first rocking operation is performed. The ice making block 18 of one side is made high and the ice making block 18 of the other side is made low. When the swinging operation is repeated, the swing angles are the same as those of the icemaker blocks on both sides, and the swinging angles may be the same as the stationary range, and the periods may be the same. In addition, when changing the rocking angle, it is good for efficiency if the rocking angle of the first rocking (the first rocking among the rockings shown in the solid line in Fig. 5) is made largest. Even in such a case, when repeating a plurality of rocking motions, the angle of the final rocking motion may be the same as the forward and reverse angles.

This rocking operation will be described with reference to FIG. 8 is an ice making control flowchart of this embodiment. When the ice making operation is completed and the ice making dish 14 is kept in a horizontal state as shown in Fig. 4, the water supply operation is started by step 21 to perform the next ice making. Here, 100 kPa of water is supplied to the ice making dish 14. As described above, since the water supply is made to the limited ice block 18 in the ice tray 14, the water supplied is moved through the guide groove 19 by the height difference and moved to another ice block 18. do. While there is a water level difference between the adjacent ice making blocks 18 to the extent that the resistance of the guide groove 19 is overcome, the flow is stopped in the ice making blocks 18 far from the water supply.

That is, the guide groove 19 is intended to flow from the ice making block 18 to the adjacent ice making block 18 using the height difference, but when the height difference becomes small, water does not move due to resistance of the guide groove 19. This happens often.

Interfering with this is the following step 22. When the water supply operation 21 is completed, it enters the swinging operation next. This oscillation operation is performed before the ice making completion 23 as shown in FIG. 8, and as shown in FIG. 5, the ice making dish 14 is several times (even a predetermined angle or different angle for each oscillation) at the shaft portion. Swing forward and backward rotation. In starting swinging, the side (H side in FIG. 4) facing the tip pipe 11a of the suitable feed water pipe 11 is set to be initially high (solid line in FIG. 5). This is because the water level (L in Fig. 4) on the side corresponding to the tip pipe 11a is as high as the sign L2. In other words, in order not to overflow the water in the water level of this code L2, the H side is inclined so that it may become high for the first time.

When the water supply operation is completed in step 21, the flow advances to step 22 to impart a rocking motion to the ice tray 14. This time is, for example, about 1 to 2 minutes, the swinging motion is preferably 4 to 5 times. This swinging motion is for flowing water supplied to each ice making block 18 to the last. In other words, it is not for pushing air bubbles in the ice making block 18. Therefore, it can carry out immediately after water supply and finishes in a short time in 1 to 2 minutes.

By performing the rocking motion, the following effects are obtained. As shown in FIG. 3, the tip pipe 11a is located above the partition wall, and water from the water supply pipe 11 falls on the partition wall. At this time, it may jump from a partition wall and adhere to places other than the ice-making block 18 according to the force of water. Since the ice making dish 14 is arrange | positioned in the storage compartment of a freezing temperature zone, the attached water may freeze in the said part. For example, when attached to the outer edge of the ice tray 14, the water attached at that position may freeze. However, by performing the rocking motion, the water of the portion falls, and the freezing of the water droplets at the corners of the ice tray can be prevented.

Next, with reference to Figs. 6 and 7, the change of the water level due to the swinging operation will be described. FIG. 6 is a diagram illustrating the movement of water in the solid line ice tray of FIG. 5, and FIG. 7 is a diagram illustrating the movement of water in the two-dot chain line ice tray of FIG. 5.

Fig. 6A shows the water level of the ice making block 18 immediately after water supply. It is common that this water level flows through the guide groove 19 to the ice making block 18b side, but when the width W dimension of the guide groove 19 decreases (Fig. 4), the surface tension of the water is increased. It is short of the resistance which it has, and it will be in the state of FIG. At this time, when inclined like the ice tray 14, the movement can be imparted to the water, and the height difference is added to the inclined portion as the level of the dotted line, so that the water breaks the resistance of the guide groove 19 and the water reaches the ice making block 18b. Flow (solid water level). (Solid Water Level) When the ice making dish 14 returns to its original position, the ice making dish becomes the same as in Fig. 6C for the same reason, and the water level becomes the above level. Conversely, Fig. 7 shows a state in which water is supplied to the ice making block 18b on the half H side. At this time, as shown in Figure 7 (b) is to be inclined so as to increase the half H side. Other descriptions are the same as those in FIG. 6, and thus descriptions thereof are omitted.

In addition, in the above-mentioned embodiment, although water is supplied to the ice-making dish 14 located in a horizontal state, the ice-making dish 14 is rocked after that, but the water level is averaged, It is not limited to this. For example, before supplying water, the ice making dish 14 may be inclined by an angle necessary for averaging the water level, and water may be supplied to the ice making dish in such a state, and the ice making dish 14 may be returned to the horizontal position after that. That is, the water level can be averaged by supplying water in the state in which the ice making dish 14 is inclined by the angle as shown in FIG.6 (b). In this way, a part of the rocking motion can be omitted, and the water level can be averaged in a short time. Moreover, even if rocking operation | movement is performed during water supply, the water level can be averaged and it is also connected to shortening ice-making time by performing water supply and rocking simultaneously.

In all cases, the rocking completion is contributing to the averaging of the water level by controlling the rocking to be completed at the same time as the completion of the water supply or later than the completion of the water supply (that is, the ice tray 14 returns to the horizontal position).

Returning to Fig. 8, the operation of the automatic ice maker 8 will be described.

De-icing can be started in a state in which water is almost uniformly rotated to the ice-making blocks 18a and 18b of the ice-making dish 14 (as shown in FIGS. 6 and 7 (c)). Subsequently, the ice making completion is detected in step 23. This ice making completion is detected by the below-mentioned ice tray temperature sensor, and if it does not become below predetermined temperature (or it does not pass a predetermined time after reaching predetermined temperature), ice-making is continued as ice-making is not completed. do. If ice making is completed, it progresses to step 24 and it moves to the ice detection operation | movement which performs the ice-saving detection in the ice bank 9. If the amount of ice is filled in step 25 by the result of this ice detection operation | movement, it does not move to an ice-making operation, but the ice which generate | occur | produced in the ice-making tray 14 is stored, and when the ice bank 9 is not full, the ice-making tray 14 ) Is reversed, and the flow proceeds to step 26 where an ice-making operation of dropping ice from the ice making dish 14 into the ice bank 9 is performed.

After the ice operation, the flow returns to the water supply operation in step 21 again.

In the automatic ice maker which performs the control flow shown in FIG. 8, the means for giving a rocking motion to the ice making tray 14, for example, the drive motor in the drive part 13 which gives an electrostatic and reversing operation to the ice making tray 14, for example. Is most effective.

That is, the driving motor performs an ice-making operation (electrostatic discharge) performed to drop ice generated from the ice making dish 14, and then flips the ice making dish 14 to a state smaller than the original position to correct the ice making dish. Reverse adjustment). The drive motor which performs the rocking motion described above uses a part of the electrostatic reversal motion.

In other words, a control means for oscillating motion is incorporated in the drive motor. When the control means is operated, the drive motor swings at an incline such that the water in the ice making tray does not overflow to the electrostatic and inverting sides.

If this drive motor is not available, the swinging motion may be applied to the ice making dish 14 with other means. In short, the present invention provides the rocking motion to the watered ice making dish 14, and the object is achieved by uniformly rotating water in each ice making block made by the ice making dish.

Next, the shape of the ice making dish 14 of this embodiment is demonstrated using FIGS. FIG. 9 is a view of the ice tray 14 of the embodiment seen from the back side, FIG. 10 is a sectional view taken along the line AA of FIG. 9, and FIG.

As shown in Fig. 2, the ice making dish 14 is provided with a plurality of ice making blocks 18 partitioned by a vertical partition wall 16 and a horizontal partition wall 17. In the present embodiment, ten ice making blocks are provided. It is arranged in two rows in parallel. The longitudinal direction of this ice tray 14 corresponds to the front-rear direction of the refrigerator 1, The bearing part 14a is provided in the front side of the refrigerator 1, and receives the drive shaft 13a of the drive part 13, The drive shaft 13a can be rotated as the center of rotation. The boss 14b and the convex part are provided on the other side. A guide groove 19 is formed in the partition wall between each ice making block 18, and it is provided in order to level the water level of each ice making block 18 as mentioned above.

Reference numeral 27 shown in Figs. 10 and 11 indicates the rotational trajectory of the ice tray 14 when it is rotated to ice the ice from the ice tray 14. The rotary track 27 shows the largest rotary track in which the ice tray 14 is configured. In this embodiment, the left and right upper ends T of the ice tray 14 shown in Figs. It is in contact with the rotary track 17. The other part of the ice tray 14 is in contact with or is located inside the rotary track 27, and is not located outside the rotary track 27 (when there is a part located outside, the track that the part draws) Is the rotational track here.

In the figure, the ice-making block 18 first draws two circles of the same size in the rotational track 27 made by the ice-making dish 14, and makes the ice-making block 18 the shape close | similar to this circle.

That is, the outer wall 28 which makes the ice-making block 18 contacts the rotation track | orbit 27 with multiple parts between the lowest end part and the upper end part T of the ice-making block 18, or is made to make the ice-making block 18 polygonal shape. I am doing it. In addition, in the present embodiment, either the front end portion of the sensor attachment portion 31 protruding downward from the ice making block 18 or the lowest end of the ice making block 18, the direction far from the rotation center and the left and right upper ends T of the ice making block 18. ) Is in contact with the rotary raceway 27 at about the same position from the center of rotation, and a part or a plurality of parts of the outer wall 28 of the ice making block 18 in between are in contact with the rotary raceway 27. The shape of (18) is defined. In the relationship between the lowermost surface B and the upper end portion T of the outer wall 28 side of the ice making block 18, the end portion of the lower surface B is provided so as to be in contact with the rotational track 27. The outer wall 28 is located outside the straight line that connects the end portion and the upper end portion T).

In other words, the ice making block 18 is close to the hemispherical shape and enlarges the volume in the ice making block 18. The polygon shaping for volume expansion is the same shape as the outer wall 28, the inner wall 29, the longitudinal partition wall 16, and the horizontal partition wall 17 in the same shape as the outer wall 28 and the inner wall 29 as the ice making block. Enlarge the volume of (18).

In addition, in the present embodiment, as shown in FIG. 10, a sensor attachment portion 31 for attaching the temperature sensor 30 is provided on the bottom back side of the ice making block 18, and the attachment portion 31 is provided. It is provided in contact with or close to the rotary track 27. The resulting ice has a multi-sided shape (diamond shape) at the bottom surface of the ice making block 18.

As described in the prior art, the temperature sensor 30 is fixed with a thermistor by resin and has, for example, an elongated circular rod shape having a width of 15 mm, a thickness of 10 mm, and a length of 40 mm. The temperature sensor 30 has a pressing hole 33 through the heat insulating material 32 and is attached to the back surface of the ice making dish 14 as shown in FIG. In addition, the pressing tool 33 is latched by the attachment leg 31.

The inner wall 29 of the ice making block 18 disposed at the position where the temperature sensor 30 is attached is one corner of the inner wall 29 having a polygonal shape compared to the ice making block 18 disposed at another position. The part is omitted and is connected in a straight line between the upper and lower edge parts of the omitted corner part. That is, another ice-making block (that is, the temperature sensor 30) is formed on the inner wall 29 portion connecting the lowermost end B on the outer wall 28 side and the lowermost end on the inner wall 29 side and the upper end T on the inner side. ), Compared with the inner wall 29 portion of the ice making block to which the ice making block is not attached, and there is a part where the cross section is connected by a long straight line (the inner wall of the second ice making block from the top shown in FIG. Since it is connected, a large planar shape is produced), the outer wall 28 and the other ice-making block 18 which are facing are made in the direction which makes small the content. That is, the flat part on the side to which the temperature sensor 30 is attached, the flat part on the side (that is, the outer wall 28 side) to which the temperature sensor 30 is not attached, and the temperature sensor 30 are not attached. Compared with the flat part which forms the polygon of another ice-making block, the latter is made into the small flat part.

In this way, a space indicated by the oblique portion 34 shown in FIG. 10 is formed in the space between the ice making blocks 18 at the position where the temperature sensor 30 is attached. The temperature sensor 30 is attached using the part of this oblique part 34. As shown in Fig. 9, the oblique portions 34 are provided in two to four portions of the ice making block 18. Figs.

By setting it as the shape mentioned above, ice can be enlarged in the same space, without changing the rotation space of the conventional ice-making dish. In addition, since the shape of the ice making block 18 comes close to the circular shape, it is possible to provide ice whose appearance does not change significantly even if the size is changed. In addition, since the thickness of the vertical partition wall 16 and the horizontal partition wall 17 becomes small, the distance groove between each ice-making block 18 becomes short, and it is connected also to the improvement of the ice-making ability as the whole ice tray 14. do. In addition, since the thickness of the partition walls 16 and 17 is reduced, the thickness of the grooves 19 is also reduced, whereby the connection portion of the ice is small, so that a nice ice having a neat shape can be provided. In addition, the smaller the thickness of the groove 19 is, the smaller the resistance accommodated by water passing through the groove 19 is. Thus, the water supplied easily reaches each ice making block 18. In addition, since the shape of the ice is a partially spherical polyhedron, it is hard to be broken even by the impact of falling on the ice bank 9, and it is possible to provide a good thing even when the user uses the ice.

By such a shape also about the ice making dish 14, the intensity | strength with respect to a torsion and a superposition load improves, and it can be set as an ice making dish of thinner thickness. In addition, since the shape is not a hemispherical polygon but a polygonal shape, the rigidity of the entire ice making tray is suppressed, so that the torque of the torsion by the drive motor required for the weaving can be suppressed, thereby preventing the faulty ice.

Next, the relationship between the water level and the water supply amount and the drive time of the water feed pump when making large, standard and small ice will be described with reference to FIG. 12 and FIG. Fig. 12 is a diagram schematically showing the water level when making large, standard, and small ice, and Fig. 13 shows the relationship between the amount of water supplied to the ice tray and the drive time of the feed pump.

In the automatic ice maker assembly refrigerator of this embodiment, the selection switch (not shown) which can control the water supply time of the water supply pipe 12 (FIG. 3) to a main body side panel part (not shown) (FIG. 3). Is installed, and the user can select the size of the ice produced by the automatic ice maker, for example, as shown in FIG. 12 (large) (standard) (small). That is, if the user desires large ice, the water is put into the ice tray 14 so as to be shown as (large) in FIG. 12, and if water is desired, the intermediate water and small size are desired. In this case, a small amount of water is supplied to the ice tray (ice block) as in (small).

The water supply time information (ice size information) input by this selection switch is transferred to a control part which is not shown in figure, and this control part controls the drive time of the water supply pipe 12 based on this information.

The depth of the guide groove 19 provided between the ice making blocks 18 that withstands large, medium and small quantities considers the water level L3 with a small water supply (small), and the ice making block 18 even when the water supply is small. It is set to a depth at which water can flow between the ice making blocks 18 by averaging the level of the water level between the water level and the shaking operation.

By varying the water supply in this way, when (small) is selected even when ice is needed quickly, such as in summer, when the ice making time is shortened, ice making time can be provided to the user quickly. In addition, even if a user wants a large amount of ice, the amount of water that can be supplied to each ice making block 18 is increased, so that large ice can be provided by selecting (large) by varying the amount of water supplied.

In addition, by varying the swing angle with respect to each water level, the water level can be averaged more efficiently.

Figure 13 controls the driving time of the feed pump to make the above (small) (standard) (large) ice. The control unit (not shown) controls the relationship between this time and the water supply amount. Usually, the water supply amount changes in proportion to the driving time of the water supply pipe. In the present invention, when the (small) ice is made, the driving time is 6 seconds, and the water supply amount is 70 kPa. When the size of the standard ice is set, the water pipe is operated for 9 seconds and 100 kPa of water is applied to the ice tray. It is watered. In the case of large ice, it is assumed that the standard ice is made, and the water supply pipe is driven for 12 seconds.

In addition, in this application, although the water supply time is determined as what set the size made by the ice-making dish 14 in three steps in advance (small) (standard) (large), the driving time of a water supply pipe can change as much as possible, and the ice which arises The size of the can also change. That is, the user may set the water supply amount by using the main body side operation panel irrespective of multiple stages and no stage, so that the water supply pump may be driven by the minutes of the driving time corresponding to the set water supply amount.

In Fig. 12, the ice making block of the ice making dish 14 is schematically described as having a vessel shape different from that shown in Fig. 11, but the shape of the ice making dish 14 is shown in Fig. 11 and guided. The groove width of the groove 19 is set to 6 mm or less, which is not made of a large connecting portion.

In addition, rocking motion is attached to the water flow (especially in the case of small ice) between the ice making blocks. That is, in the case of small ice, since the water supply amount is small, the water level difference between each ice making block 18 also becomes small, and it becomes difficult to distribute water evenly to the ice making block 18 far from the water supply position. By performing the operation, water can be spread evenly over all the ice making blocks 18. In that case, it is not necessary to make rocking angle the same as that of the large ice. This is because water is easily spread evenly with respect to each ice making block 18 when a large amount of ice is selected. therefore,

(A) The rocking motion is performed only when (small) is selected.

(B) The rocking motion is performed when (small) and (standard) are selected.

(C) The rocking motion is performed in all cases.

Can be set. Even in the case of (B) and (C), the swing angles do not need to be the same, and the swing angle of (small) is made larger than that of (standard), and the swing angle is the smallest when swinging (large). It is good to set such as It is because a control part should just control the rocking | movement operation | movement by the drive part 13 based on the information input by the selection switch.

When the ice size is made variable, the water supply amount is different. Therefore, in the control flow shown in Fig. 8, it is necessary to arrange the step of "ice size determination" (or water supply amount determination) before the step of the water supply operation 21. In this step, the ice size selected by the user is determined by the selection switch on the main body side. The water supply operation 21 can be performed on the basis of the determination in this ice size determination step. Therefore, in the step of rocking motion 22, the rocking motion according to the size of ice can be realized by controlling to perform the rocking motion based on the determination in the step of ice size determination.

The same applies to the second and fourth stages, not to the third stage as in the present embodiment. When the user can set the water supply continuously in a stepless manner, the water supply as a reference is set, and when the water supply is smaller than this water supply, the swinging operation is performed. Or to increase the swing angle.

Since this embodiment is constituted as described above, the following effects can be obtained. That is, the water in the water supply tank 10 installed in the refrigerating compartment 2 is supplied with water to the ice making dish 14 provided in the freezing compartment 4 with the pump 12, and the lengthwise direction of the ice making dish 14 is partitioned. In the automatic ice maker assembly refrigerator which divide | divided into two rows by (16), and divided into several ice-making block by the horizontal partition wall 17, and provided the guide groove 19 in the vertical partition walls 16 and 17, Since it has a drive motor which performs the ice-making operation of the ice-making plate 14 immediately after the water supply to the ice-making plate 14, and it is made to give a rocking motion, it is each angle by the expansion of the water and the height difference which are given to water by rocking motion. The water level of the ice maker block 18 is averaged. Therefore, the guide groove does not need to be made larger than necessary even in the ice making block portion far away from the water supply portion, where water has been difficult to reach. Therefore, it becomes a good ice chunk just as seen, and the contact portion at the time of insertion into the ice is also small. You can do it in chunks. Moreover, it is not necessary to enlarge the output torque of the drive motor which gives the ice-making operation | movement to the ice-making dish 14 more than necessary.

In addition, the swinging motion applied to the ice maker 14 is a swing in the range where water does not flow from the ice maker, and the longitudinal partition walls 16 and 17 divide the ice maker 14 into a plurality of ice maker blocks 18. Since the width | variety of the width | variety of the guide groove | channel 19 of () is made into 6 mm or less, the texture of when ice lump is put in the mouth will also improve.

Moreover, in the automatic ice maker which supplies water to one side of two rows of ice-making trays, since the initial rocking | movement operation was made so that the other side might become high, the water supply side will not flow over the water from the ice-making dish 14 in a rocking motion. .

In addition, since the outer wall 28 of the ice making tray 14 which makes the ice making block 18 is adjacent to the circular track made by the rotational track 27 of the ice making tray 14, the setting space of the existing automatic ice maker is not expanded. Instead, the size of the ice mass produced in the ice making dish 14 can be made larger than the ice made in the conventional ice maker. In addition, since the shape of the ice-making block 18 is not a hemispherical shape, the rigid rise of the ice-making pan 14 can also be suppressed compared with the hemisphere, and it can be made to make it easy to move when twisting is applied by an ice-making operation. On the other hand, the outer wall, which is formed between the lower end and the upper end of the ice making block 18, is in contact with or close to the circle making the rotational trajectory of the multi-site ice making tray 14 in the circle made by the rotational track of the ice making tray 14 ( Since 18) is made into a polygon, it can be made into angular ice so that it can be approached to commercially available rectangular ice.

In addition, compared with making a hemispherical ice making block, torque rise of the drive motor can be suppressed to a minimum, leading to power saving and eliminating defective ice.

In addition, since the ice making block 18 is made into a polygon and a wall other than the outer wall 28 is also adapted to the outer wall shape, it can be made into diamond-shaped ice, and it can be made into a beautiful ice.

Further, the outer wall, which is formed between the lowermost end and the upper end of the ice making block 18, is brought into contact with a circle made by the rotational trajectory of the multi-site ice making tray to make the ice making block polygonal, and the outer wall 28 except the outer wall and the temperature sensor installation part. Since it is matched with a shape, the temperature sensor 30 is good with the conventional attachment structure.

In addition, since the amount of water supplied to the ice making dish 14 can be varied, a swinging motion of flowing water to each ice making block 18 of the ice making dish 14 after water supply to the ice making dish 14 is provided. The user can obtain ice of different sizes by operating the control switch to change the watering time. On the other hand, on the automatic ice maker side, even when the water level decreases and the height difference in the ice maker 14 becomes small, the rocking operation | movement can be given to the ice maker 14 so that water may spread evenly to each ice-making block 18. FIG.

Moreover, since the height position of the guide groove 19 provided in a partition wall is made to match the minimum water supply amount, it can be set as the ice making dish corresponding to the change of water supply amount.

In addition, since the drive time of the feed water pump 12 is varied in order to change the water supply amount, the water supply amount of the ice making dish 14 can be easily changed by varying the energization time to the feed water pump 12, so that the user's public place The selection of a plurality of ices can be easily followed.

In addition, since the drive motor for rotating the ice tray 14 is used to give the rocking plate 14 a rocking motion, the rocking plate 14 swings without any special parts or mechanisms. Can be given.

Since the present invention has the shape of the ice making block as described above, it is possible to make a nice ice and to apply it even when the water supply amount is variable. In addition, since the groove between each ice making block is made small, the water can be spread evenly with respect to each ice making block even with a small amount of water supply. Moreover, since the quantity of each ice-making block is enlarged, the water of the size which a user requires can be made, for example by changing the water supply amount large, medium, and small.

Moreover, since this invention made the water supply amount to the ice-making dish variable, it can make the ice which a refrigerator user needs. In addition, since the shape of the ice making block is good, and the groove between each ice making block is made small, the water can be spread evenly with respect to each ice making block even with a small amount of water supply. In addition, in order to impart a rocking motion to the ice tray before completion of ice making, it contributes to the averaging of each ice block level.

In addition, since the present invention is supposed to impart a rocking motion, it can contribute to the averaging of the respective ice-making block levels. Since this movement is to perform an ice-making operation, the water supplied to the ice making tray is almost averaged and ice-making, and this ice falls to an ice bank after an ice-making operation. Therefore, it is possible to provide the user with ice with little variation in size. In addition, since the water level can be averaged, the size of the ice can be selected, and the ice required by the refrigerator user can be made.

Claims (15)

In the refrigerator provided with the automatic ice maker which supplies water in the water supply tank installed in a refrigerating compartment to the ice-making dish provided in the freezer, and performs ice-making, The ice trays are partitioned in a plurality of rows by partition walls in a longitudinal direction, and each row partitioned into a plurality of rows by the partition walls is partitioned into a plurality of ice blocks by a horizontal partition wall, and partitioned into a plurality of rows of the ice trays. It has a drive unit for rotating as a central axis between one row and another row, The outer wall of the ice making block is configured to contact the circle made by the rotational trajectory of the ice making tray by the rotation of the central axis portion at a plurality of portions, and the wall portion other than the outer wall of the ice making block is also shaped to fit the outer wall shape. Refrigerator with block as polygon. The refrigerator according to claim 1, wherein an edge portion of the outer wall of the ice making tray is disposed outside the straight line connecting the outer end of the bottom of the ice making block with the upper end of the outer side of the ice making tray. The refrigerator of claim 2, wherein the corner portion contacts a circle made by the rotation track. The plane formed in the said outer wall in any one of Claims 1-3 by which the temperature sensor extended in the longitudinal direction of the said ice-making dish is arrange | positioned below the said central axis between the said one row and the said other row. A refrigerator, wherein the temperature sensor is one of the plurality of ice making blocks, which is smaller than the flat part formed on the wall part on the side of the temperature sensor of the ice making block of the arrangement portion. The refrigerator according to any one of claims 1 to 4, wherein a groove is formed in the partition wall and the horizontal partition wall, and the width of the groove is 6 mm or less. In the refrigerator provided with the automatic ice maker which supplies water in the water supply tank installed in a refrigerating compartment to the ice-making dish provided in the freezer, and performs ice-making, A water supply unit for supplying water from the water supply tank to the ice making plate through a water supply pipe, and a control unit controlling the water supply unit based on input information from a switch provided on the refrigerator main body side; And varying the amount of water supplied to the ice tray. The said ice tray is divided into a plurality of rows by the partition wall in the longitudinal direction, and each row divided into the several rows by the partition wall is partitioned into the several ice-making block by the horizontal partition wall, The said ice-making A driving unit for rotating as a central axis between one row partitioned by a plurality of rows of dishes and another row; The outer wall of the said ice-making block is comprised so that it may contact a circle | round | yen made by the rotational track of the said ice-making dish by rotation of the said central-axis part, and the wall part other than the outer wall of the said ice-making block was matched to the said outer-wall shape, And a groove is formed in the partition wall and the horizontal partition wall partitioned into a plurality of ice making blocks. The refrigerator according to claim 7, wherein after the water is supplied to the ice making tray, the ice making tray is rotated on the central axis portion and a rocking motion for tilting the ice making tray is inclined. The refrigerator of claim 8, wherein the controller controls the rocking motion based on the input information. In the refrigerator provided with the automatic ice maker which supplies water in the water supply tank installed in a refrigerating compartment to the ice-making dish provided in the freezer, and performs ice-making, And a rocker motion for returning the ice tray to a horizontal position after the ice tray is inclined. The refrigerator according to claim 10, wherein the rocking motion is performed before the ice-making operation after the water is supplied to the ice tray from the water supply tank. 12. The ice tray according to claim 10 or 11, wherein the ice tray is divided into a plurality of rows by partition walls in a longitudinal direction, and the water in the water tank is supplied to the ice tray by a water supply pipe extending upward of the ice tray. The tip of the feed pipe is located directly above one of the rows partitioned into multiple rows of the ice tray, As a central axis between the one row and the other row of the ice tray, imparting a rocking motion to incline the other row of the ice tray after the one row of the ice tray is inclined high. Refrigerator. 13. The column of claim 12, wherein each row divided into a plurality of rows by the partition wall is partitioned into a plurality of ice-making blocks by a horizontal partition wall in which grooves are formed, and a tip end of the water supply pipe is located directly above the horizontal partition wall. Refrigerator, characterized in that. The water supply apparatus according to any one of claims 10 to 13, further comprising: a water supply unit for supplying water from the water supply tank to the ice tray through the water supply pipe; And a drive time of the water supply and the inclination angle of the rocking motion are controlled based on input information from a switch provided on the refrigerator main body side. The refrigerator according to any one of claims 10 to 14, wherein a drive motor for rotating and ice-making the ice tray is used for applying the swing motion.

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