Source: https://patents.google.com/patent/KR101907166B1/en
Timestamp: 2020-08-15 06:00:26
Document Index: 16705827

Matched Legal Cases: ['art 333', 'art 361', 'art 521', 'art 521', 'art 332', 'art\n333', 'art 334', 'art,\n336', 'art 512', 'art\n540', 'art\n542']

KR101907166B1 - Refrigerator - Google Patents
KR101907166B1
KR101907166B1 KR1020110147530A KR20110147530A KR101907166B1 KR 101907166 B1 KR101907166 B1 KR 101907166B1 KR 1020110147530 A KR1020110147530 A KR 1020110147530A KR 20110147530 A KR20110147530 A KR 20110147530A KR 101907166 B1 KR101907166 B1 KR 101907166B1
KR1020110147530A
KR20130078532A (en
2011-12-30 Priority to KR1020110147530A priority Critical patent/KR101907166B1/en
2013-07-10 Publication of KR20130078532A publication Critical patent/KR20130078532A/en
2018-10-15 Publication of KR101907166B1 publication Critical patent/KR101907166B1/en
239000003507 refrigerants Substances 0.000 claims description 54
238000007710 freezing Methods 0.000 claims description 20
238000005192 partition Methods 0.000 description 15
According to an aspect of the present invention, there is provided an ice maker comprising an auger motor for driving an auger inside an ice-making chamber, a solenoid valve for selecting whether to crush ice, an ice-making chamber fan for flowing air in the ice- And a drain hose for discharging the drain hose to the drain hose. The auger motor assembly according to the embodiment of the present invention can be slidably inserted through the open front face of the ice making chamber and easily mounted inside the ice making chamber.
The present invention relates to a refrigerator having a direct-cooled ice maker in which a refrigerant pipe is in direct contact with an ice maker.
Generally, a refrigerator is a household appliance that has a storage room that can store foods and a cold supply device that supplies cold air to the storage room, so that food can be stored freshly. The refrigerator also has an ice maker that can generate ice.
A cold cooling type in which cool air generated in the evaporator outside the ice making compartment is guided to the ice making chamber through the conveying duct to cool the ice maker and a separate heat exchanger is installed in the ice making compartment, There is a direct cooling type in which the ice maker is cooled.
Particularly, in the direct cooling type, there is a method in which the refrigerant tube comes into contact with the ice-making tray of the ice maker, and the ice-making tray itself serves as a heat exchanger without any additional heat and ventilation.
The ice-making method using the direct-cooled ice-maker, in which the refrigerant tube is in contact with itself and serves as a heat exchanger, has an advantage that the cooling rate is faster than other methods. However, there is a disadvantage in that it is necessary to arrange and fix a part of the refrigerant pipe in the ice making chamber so as to contact with the ice tray, and frequent occurrence of the property due to the temperature difference in the ice making chamber.
According to one aspect of the present invention, there is provided an auger motor for driving an auger in an ice-making chamber having a direct-cooled ice-maker, an ice-making chamber fan for flowing air in the ice-making chamber, and a solenoid valve for selecting whether to crush ice, Disclosed is a structure of an auger motor assembly in which installation is easy and a ice making chamber can be made slim.
One aspect of the present invention discloses a structure of an auger motor assembly having a drain hose for discharging defrost water from an ice-making tray guided through a drain duct to the outside of the ice-making chamber.
According to an aspect of the present invention, there is provided a refrigerator comprising: a main body; a storage chamber which is opened to the inside of the main body and is opened and closed by a door; Wherein at least a portion of the refrigerant tube is provided with a refrigerant supply device disposed in the interior of the ice making chamber to supply cooling energy to the ice-making compartment, wherein the refrigerating device includes a compressor, a condenser, an expansion device, an evaporator, An air duct having a heat insulating member surrounding the refrigerant pipe of the ice making chamber and an inner flow path forming at least a part of the cold air circulating in the ice making chamber; An ice-making tray for contacting the refrigerant pipe of the ice-making chamber to receive the ice-making tray, an ejector for separating the ice-making tray ice from the ice-making tray, An ice storage chamber for storing the ice separated from the ice-making tray; an auger for transferring the ice stored in the ice storage space to the ice discharge port; and an ice crusher for crushing the ice, An ice bucket having an ice making chamber cover for opening and closing an opened front face of the ice making chamber; And an auger motor for driving the auger, an ice-making chamber fan for flowing air in the ice-making chamber, a solenoid valve for selecting whether the ice is crushed through the ice-crushing device, An auger motor assembly having a drain hose for guiding to the outside of the ice making chamber; Wherein the auger motor assembly is integrally formed by assembling the auger motor, the ice-making chamber fan, the solenoid valve, and the drain hose, and is slidably inserted into the ice-making chamber through the opened front face of the ice- Or may be slid out of the ice making chamber through the open front of the ice making chamber.
Here, the drain hose may be disposed at one side of the auger motor.
In addition, the solenoid valve may be disposed in front of the auger motor.
The ice-making chamber fan may be disposed above the auger motor.
The ice-making chamber fan may be arranged such that its rotation axis is positioned in a vertical direction.
In addition, the ice-making chamber fan and the auger motor are spaced apart from each other, and an air inflow space may be formed between the ice-making chamber fan and the auger motor so that air can flow into the ice-making chamber fan.
Further, the inlet of the internal flow path is formed on the lower surface of the air duct, and the outlet of the internal flow path is formed on the front surface of the air duct, and the air duct can discharge air forward by introducing air from the lower side .
Here, the auger motor assembly is mounted on the lower side of the air duct, and the air blown through the ice making chamber fan can be introduced into the inlet of the internal duct of the air duct.
A drain heater for preventing freezing of the drain hose may be installed on an outer circumferential surface of the drain hose.
Also, the refrigerator includes: an ice-making chamber discharge duct for guiding water discharged from the ice-making chamber to an evaporation dish provided at a lower portion of the main body; Wherein when the auger motor assembly is mounted in the ice making chamber, the drain hose of the auger motor assembly is connected to the ice making chamber discharge passage, and the defrost water of the ice making tray is discharged to the drain duct and the drain hose And then to the evaporation dish through the ice-making chamber discharge passage in order.
In addition, the auger motor assembly may include an optical sensor for detecting whether or not the ice bucket is full.
Further, after the guide duct is installed in the ice-making chamber, the auger motor assembly may be slidably inserted into the ice-making chamber through the opened front face of the ice-making chamber and mounted on the lower side of the guide duct.
Further, the auger motor assembly is slidably inserted into the ice making chamber through the opened front face of the ice making chamber and mounted on the lower side of the guide duct, the ice bucket is mounted in front of the auger motor assembly, The ice making chamber cover of the bucket can close the open front of the ice making chamber to seal the ice making chamber.
According to another aspect of the present invention, there is provided a refrigerator comprising: a main body; a storage chamber having a front surface opened inside the main body, the storage chamber having the opened front surface opened and closed by a door; Wherein at least a portion of the refrigerant tube is disposed in the interior of the ice making chamber to supply cooling energy to the ice making chamber, wherein the refrigerating tube includes a compressor, a condenser, an expansion device, an evaporator, An air duct having an air passage for forming at least a part of a cool air passage circulating inside the ice making chamber, an air duct having an air duct for directly supplying the cold air from the coolant pipe of the ice making chamber, An ice-making tray in contact with the refrigerant pipe of the ice-making chamber to receive cooling energy, an ejector for separating ice from the ice-making tray, An ice storage space for storing the ice separated from the ice-making tray; an auger for transferring the ice stored in the ice storage space to the ice discharge port; and an ice- An ice crusher having an ice crusher and an ice-making chamber cover for opening and closing an opened front face of the ice-making chamber; And an auger motor for driving the auger, an ice-making chamber fan for flowing air in the ice-making chamber, a solenoid valve for selecting whether the ice is crushed through the ice-crushing device, An auger motor assembly having a drain hose for guiding to the outside of the ice making chamber; A drain hose accommodating portion for accommodating the drain hose, and a fan bracket for installing the ice making chamber fan, wherein the auger motor accommodating portion accommodates the auger motor, the solenoid valve accommodating portion accommodating the solenoid valve, They are mutually combined to form an integral body.
Here, the solenoid valve receiving portion may be coupled to the front of the auger motor receiving portion, and the drain hose receiving portion may be coupled to one side of the auger motor receiving portion.
At least a part of the drain hose receiving portion may be positioned higher than the auger motor receiving portion, and the fan bracket portion may be coupled to an upper portion of the drain hose receiving portion to be spaced from the auger motor receiving portion.
In addition, the fan bracket portion is spaced apart from the auger motor receiving portion, and an air inflow space is provided between the fan bracket portion and the auger motor receiving portion so that air can be introduced into the ice making chamber fan installed in the fan bracket portion .
The drain hose receiving portion may include a drain hose receiving space for receiving the drain hose and a heat insulating member for insulating the drain hose.
According to an aspect of the present invention, there is provided an ice making machine including an auger motor for driving an auger, an ice-making chamber fan for circulating air in the ice-making chamber, a solenoid valve for selecting whether or not to crush ice, And the drain hose are integrally assembled to form an auger motor assembly.
In addition, since the auger motor assembly is slid into the interior of the ice-making chamber through the open front face of the ice-making chamber after the ice-making chamber wall is assembled on the inner surface of the refrigerator to form the ice-making chamber, , The solenoid valve and the drain hose can be installed, so that the assembling property of the ice making chamber is improved.
Also, when repairing or exchanging parts such as auger motor, ice-making chamber fan, solenoid valve, and drain hose, the auger motor assembly is slid out of the ice making chamber through the open front of the ice- And exchange can be carried out, so that the A / S property is improved.
1 is a front view of a refrigerator according to an embodiment of the present invention;
2 is a side cross-sectional view of the refrigerator of Fig. 1;
FIG. 3 is a view for explaining a process of installing an auger motor assembly in an ice making chamber of the refrigerator of FIG. 1;
Fig. 4 is a side cross-sectional view showing the components of the ice making chamber of the refrigerator of Fig. 1; Fig.
FIG. 5 is a perspective view showing the components of the ice making chamber of the refrigerator of FIG. 1;
6 is a perspective view showing an auger motor-fan assembly of the refrigerator of Fig. 1;
FIG. 7 is an exploded perspective view showing an auger motor-fan assembly of the refrigerator of FIG. 1;
8 is a perspective view showing the ice maker of the refrigerator of FIG. 1;
FIG. 9 is a perspective view showing the ice-making tray of the refrigerator of FIG. 1; FIG.
FIG. 10 is a view showing a state where ice is generated in the ice-making tray of the refrigerator of FIG. 1;
11 is a cross-sectional view of an ice-making tray of the refrigerator of Fig. 1;
FIG. 12 is a sectional view showing the structure of the ice making chamber of the refrigerator of FIG. 1; FIG.
13 is a perspective view showing the driving device of the icemaker of the refrigerator of Fig. 1; Fig.
FIG. 14 is a side view showing a driving module of the ice maker of the refrigerator of FIG. 1; FIG.
15 is a view showing the inside of the driving module of the ice maker of the refrigerator of FIG. 1;
16 is a rear view of the driving module of the ice maker of the refrigerator of Fig.
FIG. 1 is a front view of a refrigerator according to an embodiment of the present invention, and FIG. 2 is a side sectional view of the refrigerator of FIG. 1. FIG. FIG. 3 is a view for explaining a process of installing an auger motor assembly in an ice making chamber of the refrigerator of FIG. 1;
1 to 3, a refrigerator 1 according to an embodiment of the present invention includes a main body 2, storage rooms 10 and 11 in which foods can be refrigerated or frozen, And a cold air supply device 50 for supplying cold air to the storage chambers 10, 11 and the ice making chamber 60. [
The main body 2 is provided with an outer surface 4 forming an outer appearance and an inner surface 3 forming the storage chambers 10 and 11 and the ice making chamber 60 and an inner surface 3 formed between the outer surface 4 and the inner surface 3 And a heat insulating material (5).
The storage compartments 10 and 11 are formed to be open at the front and can be partitioned into an upper refrigerating chamber 10 and a lower freezing chamber 11 by a horizontal partition 6. The horizontal partition 6 may include a heat insulating material to block heat exchange between the refrigerating chamber 10 and the freezing chamber 11. [
A shelf 15 capable of placing food in the refrigerating compartment 10 and dividing the storage space of the refrigerating compartment 10 up and down can be disposed. The opened front face of the refrigerating compartment 10 can be opened and closed by a pair of doors 12, 13 which are hinged to the main body 2 and can be rotated. Each of the doors 12, 13 may be provided with handles 16, 17 for opening and closing the doors 12, 13.
The refrigerating chamber doors 12 and 13 may be provided with a dispenser 20 capable of taking out the ice generated in the ice making chamber 60 from the outside without opening the doors 12 and 13. The dispenser 20 includes a take-out space 25 through which ice can be taken out, a lever 25 capable of selecting whether or not to take out the ice, ice discharged through the ice discharge port 402 of the ice bucket 400 to be described later, And a chute (22) for guiding the chute (22) to the extraction space (25).
The opened front face of the freezing chamber 11 can be opened and closed by a sliding door 14 which can be slidably inserted into the freezing chamber 11. A storage box 19 for storing food can be integrally formed on the rear surface of the sliding door 14. The sliding door 14 may be provided with a handle 18 for opening and closing the sliding door 14.
2, the refrigerator 1 includes a storage room 10, 11 and a cold air supply device 50 capable of supplying cold air to the ice making room 60. [ The cool air supply device 50 includes a compressor 51 for compressing the refrigerant to a high pressure, a condenser 52 for condensing the compressed refrigerant, expansion devices 54 and 55 for expanding the refrigerant to low pressure for easy evaporation, An evaporator (34, 44) for evaporating the refrigerant to generate cold air, and a refrigerant pipe (56) for guiding the refrigerant.
The compressor 51 and the condenser 52 may be disposed in the machine room 70 provided at the rear lower portion of the main body 2. [ The evaporators 34 and 44 may be disposed one by one in the refrigerating chamber supply duct 30 provided in the refrigerating chamber 10 and the freezing chamber cold supplying duct 40 provided in the freezing chamber 11. [ Therefore, the refrigerating compartment 10 and the freezing compartment 11 can be independently cooled.
The cold room cool air supply duct 30 can circulate the cool air through the inside of the refrigerating chamber 10 including the suction port 33, the cold air discharge port 32 and the air blowing fan 31. The freezing room cold air supply duct 40 can circulate the cold air in the freezing room 11 including the suction port 43, the cold air discharge port 42 and the air blowing fan 41.
On the other hand, a portion 57 of the refrigerant pipe 56 is disposed inside the ice making chamber 60 so as to cool the ice making chamber 60. The refrigerant pipe 57 extending in the ice making chamber 60 in this way will be referred to as an ice making room refrigerant pipe 57 hereinafter.
The refrigerant pipe 56 is formed in such a manner that the refrigerant flows through the ice making chamber 60, the refrigerating chamber 10 and the freezing chamber 11 in turn, or only the refrigerating chamber 10 and the freezing chamber 11 except the ice making chamber 60 And a switching valve 53 may be provided at the branch point so as to switch the flow path of the refrigerant.
The refrigerant pipe 57 disposed in the ice making chamber 60 contacts the ice making tray 340 of the ice maker 300 to supply the cooling energy directly .
Meanwhile, the ice making chamber 60 may be provided in the main body 2 so as to be partitioned from the storage chambers 10 and 11. In addition, the ice making chamber 60 may be opened to open the front surface. The open front face of the ice making chamber 60 can be closed by the ice making chamber cover 404 of the ice bucket 400 to be described later.
The ice making chamber 60 may be provided at an upper portion of one side of the refrigerating chamber 10 and may be formed to be partitioned from the refrigerating chamber 10 by the ice making chamber wall 61. 3, the ice-making chamber wall 61 includes a transverse wall 62 and a vertical wall 63, and a heat insulating material 64 is provided so as to block heat exchange between the ice-making chamber 60 and the refrigerating chamber 10 .
The ice making chamber wall 61 may be installed through the fitting structure in the inner surface 3 of the main body 2 or may be installed through a screw fastening structure. The ice making chamber wall 31 can be assembled to the inner surface 3 of the main body 2 before the heat insulating material 5 is foamed between the inner surface 3 and the outer surface 4 of the main body 2. [
As shown in FIG. 2, the ice making chamber 60 is provided with an automatic ice maker assembly 100 for generating ice. The automatic icemaker assembly 100 includes an air duct 200 that insulates the ice making chamber refrigerant pipe 57 and forms a part of a cool air flow path in the ice making chamber 60, an ice maker 300 that generates ice, An ice bucket 400 for storing the ice generated in the ice maker 300 and an auger motor assembly 500 for driving the auger 403 for conveying the ice. The structure of such an automatic deicing assembly will be described in detail below.
FIG. 4 is a side cross-sectional view illustrating the components of the ice making chamber of the refrigerator of FIG. 1, and FIG. 5 is a perspective view illustrating the components of the ice making chamber of the refrigerator of FIG. FIG. 6 is a perspective view illustrating an auger motor-fan assembly of the refrigerator of FIG. 1, and FIG. 7 is an exploded perspective view of an auger motor-fan assembly of the refrigerator of FIG. FIG. 8 is a perspective view illustrating the ice making machine of the refrigerator of FIG. 1, FIG. 9 is a perspective view of the ice making tray of the refrigerator of FIG. 1, Fig. 11 is a cross-sectional view showing an ice-making tray of the refrigerator of Fig. 1, and Fig. 12 is a cross-sectional view of the ice-making chamber structure of the refrigerator of Fig. FIG. 13 is a perspective view showing the driving device of the ice maker of the refrigerator of FIG. 1, FIG. 14 is a side view of the driving module of the ice maker of the refrigerator of FIG. 1, And FIG. 16 is a rear view showing the driving module of the ice maker of the refrigerator of FIG.
4 to 5, the air duct 200 of the automatic ice-making assembly 100 includes a heat insulating member (not shown) provided to surround the ice-making room refrigerant pipe 57 to insulate the ice-making room refrigerant pipe 57 from the outside, A fixing member 205 for fixing the ice-making room refrigerant pipe 57 to the ice-making chamber 60 and an internal flow passage 202 for forming at least a part of the flow path of the ice- .
The heat insulating member 201 is configured to enclose the ice-making room refrigerant tube 57 to insulate the ice-making room refrigerant tube 57 and to prevent deformation such as warping of the ice-making room refrigerant tube 57. The fixing member 205 may be coupled to the inner surface 3 of the main body 2 to fix the ice-making room refrigerant pipe 57. The air duct 200 may be installed on the inner surface 3 of the main body 2 before the ice making chamber wall 61 is assembled to the inner surface 3 of the main body 2. [
The inlet 203 of the inner flow path 202 is formed on the lower surface of the air duct 200 and the outlet 204 of the inner flow path 202 is formed on the front surface of the air duct 200, Air can be introduced from the lower side and the cold air can be discharged forward. The flow of cold air in the ice making chamber 60 will be described later.
The ice maker 300 of the automatic ice maker assembly 100 includes an ice tray 340 in which water is actually supplied to generate ice, an ejector 310 for releasing ice from the ice tray 340, A drain duct 330 for guiding overflowing water or defrost water in the ice-making tray 340, and a driving device 600 for driving the ejector 310.
A groove-shaped refrigerant pipe contact portion 361 (FIG. 12) capable of installing a ice-making room refrigerant pipe 57 is formed along the longitudinal direction at a lower portion of the ice-making tray 340 to directly contact the ice- .
In addition, the ice-making tray 340 may be formed of a material having a high thermal conductivity such as aluminum. In the lower portion of the ice-making tray 340, a plurality of heat exchange ribs 360 , Fig. 12) can be formed.
Accordingly, the ice-making tray 340 itself can function as a heat exchanger and can cool the water contained in the ice-making space 349 (FIG. 9).
9 to 12, the ice-making tray 340 includes an ice-making space 349 through which water can be supplied and ice can be generated. The ice making space 349 may be formed by a bottom portion 341 having an arc-shaped cross section of a certain radius. The ice making space 349 may be divided into a plurality of unit ice making spaces 349a and 349b by a plurality of partition wall portions 342 protruding upward from the bottom portion 341. [ However, in the drawings, only the two unit ice-making spaces 349a and 349b are designated by reference numerals.
The partition wall portion 342 is provided with the adjacent unit ice making spaces 349a and 349b so that the water introduced through the water supply port 346 formed at one side of the ice tray 340 in the longitudinal direction can be supplied to all the unit ice making spaces 349a and 349b, 349b may be formed in a groove-shaped communication portion 344.
An anti-departure prevention wall 343 is provided at one side in the width direction of the ice-making tray 340 to prevent ice formed in the ice-making space 349 from dropping and guide the ice to the slider 350 (FIG. 12) Can be formed.
The ice-making tray 340 may further include an opening 345 for discharging excess water when a predetermined amount of water is supplied to the ice-making space 349. The opening 345 may be formed continuously with the bottom portion 341 and the separation preventing wall 343 and may be formed to communicate with the upper portion of any one of the plurality of unit ice making spaces 349a and 349b .
With the above structure, water exceeding a predetermined amount can be discharged to the outside of the ice-making tray 340 through the opening 345, and the ice generated through the ice-making tray 340 may not exceed a certain size . Therefore, when the ice is released from the ice-making tray 340, ice can be prevented from interfering with ice-making by being caught by the ice-making tray fixing device 320 or the ice-making chamber wall 61.
The ice tray 340 is inclined so that one end in the longitudinal direction where the water supply port 346 is formed is located somewhat higher than the other end. The opening 345 is located on the other end side than the one end where the water supply port 346 is formed As shown in FIG. It is preferable that the opening 345 is formed at a position higher than the communication portion 344 so that water can be supplied to all the unit ice making spaces 349a.
The water discharged through the opening 345 drops freely to the drain duct 330 (FIG. 12) disposed below the ice-making tray 340. The drain duct 330 is disposed to be slightly inclined so that water falling through the opening 345 flows into the guide portion 331 formed at one longitudinal end portion of the drain duct 330. The guide portion 331 can guide the water discharged through the opening portion 345 to the drain hose 540 (FIG. 4) of the auger motor assembly 500 to be described later.
Meanwhile, the unit ice 380a, 380b (FIG. 10) generated in the unit ice-making spaces 349a, 349b is generated while being mutually linked by the communicating portion 344, and the refrigerator 1 The ice-making tray 340 may further include a plurality of cutting ribs 347 capable of breaking the link. For the sake of convenience, only the portions 380a and 380b of the unit ice are given the reference numerals.
The cutting rib 347 (FIG. 11) may be formed to protrude upward from the partition wall portion 342 and abut against the escape prevention wall 343. The partition wall portion 342 located on the side of the separation preventing wall 343 is referred to as a first partition wall portion 342a (FIG. 11) and the partition wall portion 342 11), the cutting ribs 347 are disposed on the opposite sides of the first partition wall portion 342 (see FIG. 11), and the second partition wall portion 342b 342a, respectively.
The cutting ribs 347 can break the link between the unitary ice 380a and 380b when the ejector 310 rotates to push the ice 380 in the ice making space 349. [ Accordingly, the ice-catching phenomenon that may occur during the ice-making process can be prevented by the link between the unit ice 380a and 380b, and the unit ice 380a and 380b can be moved in the right position without mutual interference.
It is preferable that the height of the cutting rib 347 to the upper edge of the cutting rib 347 is greater than half the height to the upper edge of the partition wall portion 342. On the other hand, the ice making tray 340 including the bottom portion 341, the separation preventing wall 343, the plurality of partition portions 342, and the plurality of cutting ribs 347 is integrally molded in one mold .
The ice tray 340 may be provided with a freezing heater 370 capable of heating the ice tray 340 so that the ice tray 380 can be easily separated from the ice tray 340 during the ice making process. The ice-making heater 370 may be disposed to be accommodated in the ice-making heater contact portion 362 formed in a groove shape at the lower portion of the ice-making tray 340.
The ejector 310 for separating the ice 380 from the ice-making tray 340 may include a rotary shaft 311 and a plurality of ejector pins 312 protruding from the rotary shaft 311. The ejector pin 312 can separate the ice 380 from the ice-making space 349 while rotating around the rotation axis 311.
On the other hand, a driving device 600 is provided at the front end portion in the longitudinal direction of the ice-making tray 340 to provide a rotational force to the ejector 310 and electrical components for controlling the ice-making process such as water supply, do.
13 to 16, the driving apparatus 600 includes a driving apparatus case 610 having a front surface and an inner space, a cover 613 covering an open front surface of the driving apparatus case 610, And a driving module 620 detachable from the inner space of the driving unit case 610.
The driving module 620 includes an ice-making motor 650 for generating a rotational force for rotating the ejector 310, a circuit board 640 for controlling the ice-making process, And the accessories are accommodated in the drive module case 630. The drive module case 630 can be mounted on the drive module case 630,
The drive module case 630 may be provided so that the front surface thereof is opened, and the open front surface thereof may be covered by the cover 633. [ The drive module 620 can be slid through the open front face of the drive unit case 610 and mounted in the inner space of the drive unit case 610 and conversely slide through the open front face of the drive unit case 610 And can be detached from the inner space of the drive unit case 610. [
The drive module case 630 and the drive unit case 610 are provided with fastening holes 631 and 611 through which the fastening members 632 can be inserted, respectively, so that the drive module 620 can be fixedly coupled to the drive unit case 610. [ Can be formed. At this time, the fastening member 632 can be easily fastened to the fastening holes 631 and 611 through the open front face of the driving device case 610. [
The transmission means for transmitting the rotational force of the moving motor 650 to the ejector 310 may have a plurality of gear structures. That is, the transmission means includes a driving gear 660 coupled to the rotating shaft of the idling motor 650, a driven gear 664 coupled to the rotary shaft 311 of the ejector 310, a driven gear 660, 665, 665, 665, 665, 665, 665, 665, 665, 665, 666,
At this time, the transmission gears 661, 662, 663, 664 are provided with large gears 661a, 662a, 663a, 664a for receiving the rotational force so as to be able to decelerate the rotational force of the moving motor 650 and transmit the same to the ejector 310, (661b, 662b, 663b, and 664b). Each of the small gears 661b, 662b, and 663b may have a smaller radius and a smaller circumference than the large gears 661a, 662a, and 663a.
The small gear 661b of the first transmission gear 661 is engaged with the large gear 661a of the first transmission gear 661 and the small gear 661b of the first transmission gear 661 is engaged with the large gear 661b of the second transmission gear 662, The small gear 662b of the second transmission gear 662 meshes with the large gear 663a of the third transmission gear 663 and the small gear 663b of the third transmission gear 663 meshes with the large gear 663a of the third transmission gear 663, And the small gear 664b of the fourth transmission gear 664 can engage with the driven gear 665. The second gear 664a of the fourth transmission gear 664 is engaged with the driven gear 664 of the fourth transmission gear 664,
Here, the driven gear 665 and the small gear 664b of the fourth transmission gear 664 engaged with the driven gear 665 may be disposed outside the drive module case 630. [ Accordingly, the rotary shaft 313 of the ejector 310 and the driven gear 665 can be coupled to the outside of the drive module case 630.
The rotary shaft of the driven gear 665 may be provided on the same line as the rotary shaft 313 of the ejector 310 and the rotary shaft 313 of the ejector 310 may be inserted into the driven gear 665, The connection bar 670 having the insertion groove 671 can be projected along the axial direction.
The rotary shaft 313 of the ejector 310 can be engaged with the insertion groove 671 of the driven gear 665 and rotated together with the driven gear 665. [
The driving module case 630 of the driving module 620 may be formed as an insulating material so as to prevent the components such as the icemaker 650 and the circuit board 640, have.
The driving module 620 is slidably inserted into the driving device case 610 and the rotating shaft 313 of the ejector 310 is fitted into the insertion groove 671 of the driving module 620 The assembly of the driving device 600 is completed, so that the assembling performance of the driving device 600 can be improved and the one driving module 620 can be applied to other refrigerators while standardizing the components.
The ice maker 300 is disposed below the ice-making tray 340 and forms a part of the cool air channel of the ice-making chamber 60 with the ice-making tray 340. At the same time, And a drain duct 330 for collecting and discharging the discharged water and the defrost water from the ice-making tray 340.
As described above, the drain duct 330 may be arranged to be slightly inclined so that the collected water flows into the guide portion 331 formed at one longitudinal end portion of the drain duct 330.
The drain duct 330 is provided with a freezing heater fixing portion 332 for supporting the freezing heater 370 and closely contacting the freezing heater contact portion 362 of the ice-making tray 340, The refrigerant pipe fixing part 333 which is in close contact with the refrigerant pipe contacting part 361 of the refrigerant pipe 340 can be protruded upward.
The ice-making heater fixing portion 332 is made of a material having a high thermal conductivity such as aluminum to guide the heat of the ice-making heater 370 to the drain duct 330, thereby preventing the frosting of the drain duct 330 .
The refrigerant conduit 333 may include an elastic portion 334 formed of a rubber material and a pressing portion 335 for pressing the ice-making chamber refrigerant tube 57. [ The elastic portion 334 comes into direct contact with the ice making room refrigerant pipe 57 to bring the ice making room refrigerant pipe 57 into close contact with the refrigerant pipe contacting portion 361 of the ice-
The elastic portion 334 is made of a rubber material and can prevent the ice-making chamber refrigerant tube 57 from being damaged when it contacts the ice-making room refrigerant tube 57. In addition, since the elastic portion 334 has a low thermal conductivity, it is prevented that the cooling energy is received from the ice-making room refrigerant pipe 57, and therefore, the drain duct 330 can be prevented from being frosted.
The automatic ice-making assembly 100 includes an ice storage space 401 for storing ice produced in the ice-making tray 340 and an ice bucket 403 having an auger 403 for transferring the stored ice to the forward discharge port 402 400 and an auger motor assembly 500 for driving the auger 430 of the ice bucket 403.
The ice bucket 400 also includes an ice crusher 405 capable of crushing the ice transported forward by the auger 403 and an ice cover 404 capable of covering the open front of the ice- ).
The ice crushing apparatus 405 includes an ice crushing blade 406 that rotates together with the auger 403 and can crush ice and a crushing blade 406 that is disposed below the ice crushing blade 406 to support the ice And a support member 407. The support member 407 can be connected to the solenoid valve 530 of the auger motor assembly 500 by the connecting member 408. [
When the solenoid valve 530 is driven up and down, the connecting member 408 is eccentrically rotated so that the support member 507 can be moved so as not to support or support the ice.
The auger motor assembly 500 includes an auger motor 510 for generating rotational force, a flange 512 coupled to the auger 403 to transmit the rotational force of the auger motor 510 to the auger 403, A solenoid valve 530 capable of selecting whether the ice is crushed through the device 405, an ice-making chamber fan 520 capable of flowing air in the ice-making chamber 60, And a drain hose 540 for guiding water guided through the ice making chamber 331 to the outside of the ice making chamber 60.
In particular, the auger motor assembly 500 may be integrally formed by assembling all of the above components. 6 to 7, the auger motor assembly 500 includes an auger motor receiving portion 511, a solenoid valve receiving portion 531 for receiving the solenoid valve 530, a drain hose 540 And a fan bracket part 521 on which the ice-making chamber fan 520 is installed, and the respective receiving parts may be integrally formed or separately formed and coupled to each other.
The solenoid valve 530 may be disposed in front of the auger motor 510 and the drain hose receiving portion 541 may be disposed in front of the auger motor 511. The solenoid valve 530 may be disposed in front of the auger motor 510, The drain hose 540 may be disposed on one side of the auger motor 510 and the fan bracket 521 may be provided on the upper side of the auger motor accommodating portion 511, The fan 520 may be disposed above the auger motor 510.
A part of the drain hose accommodating portion 541 may be located higher than the auger motor accommodating portion 511 and the fan bracket portion 521 may be coupled to the upper portion of the drain hose accommodating portion 541.
The auger motor accommodating portion 511 and the fan bracket portion 521 are spaced apart from each other so that air flows into the ice making chamber 520 between the auger motor accommodating portion 511 and the fan bracket portion 521 An air inflow space 550 can be formed. The ice making chamber fan 520 may be disposed below the inlet 203 of the internal flow passage 202 of the air duct 200 described above.
Accordingly, the cold air inside the ice-making chamber 60 can circulate in the ice-making chamber 60 along the arrow direction shown in FIG. That is, the air discharged from the air duct 200 is heat-exchanged with the ice-making room refrigerant pipe 57 or the ice-making tray 340 through the space between the ice-making tray 340 and the drain duct 330, Can be introduced into the air duct 200 again through the ice crusher 405 and the ice storage space 401.
Cool air can be uniformly distributed around the ice discharge port 402 of the ice bucket 400 and the ice storage space 401 according to the flow of cool air in the ice making chamber 60.
7, the fan bracket part 521 may be provided with a sealing member 522 for preventing the cold air from escaping. The drain hose receiving portion 541 may include a receiving space 544 capable of receiving the drain hose 540 and a heat insulating member surrounding the receiving space 544.
The drain hose 540 is provided such that its inlet 543 is located below the guide portion 331 of the drain duct 330 and receives water falling from the guide portion 331 to be discharged to the outside of the ice making chamber 30 To the ice making room discharge passage 560 (FIG. 1) of the ice making room. The ice making room discharge passage 560 is connected to the evaporation dish 570 provided in the machine room 70 to evaporate the discharged water.
The drain hose 540 may be provided with a drain heater 542 to prevent freezing of the drain hose 540.
The auger motor assembly 500 also includes a temperature sensor 590 capable of measuring the temperature inside the ice making chamber 60 and an optical sensor 580 capable of detecting whether or not the ice bucket 400 is full . The temperature sensor 590 and the optical sensor 580 may be provided in the solenoid valve receiving portion 531 formed in the front portion of the auger motor assembly 500. [
The light sensor 580 may be either an emitter or a receiver and the other one may be provided in a driver 600 of the icemaker 300.
3, the auger motor assembly 500 can be slidably inserted into the ice making chamber 60 and slidably pulled out. Therefore, the components constituting the auger motor assembly 500 can be easily installed in the ice making chamber 60, and the auger motor assembly 500 can be easily separated from the ice making chamber 60 So that repair and exchange can be facilitated.
1: Refrigerator 2: Body
3: Injury 4: Trauma
5: Insulation 6: Horizontal bulkhead
10: refrigerator compartment 11: freezer compartment
12, 13: Left door 14: Sliding door
15: Shelf 16,17,18: Handle
20: dispenser 22: suits
24: take-out space 25: lever
30: cold room cold air supply duct 31: cold room blower fan
32: Refrigerating chamber air outlet 33: Refrigerating chamber inlet
34: refrigerator compartment evaporator 40: freezer compartment cooler supply duct
41: freezing room blowing fan 42: freezing room cold air outlet
43: Freezer inlet 44: Freezer evaporator
50: cold air supply device 51: compressor
52: condenser 53: switching valve
54: ice-making room expansion device 55: expansion device
56: refrigerant tube 57: refrigerant tube for ice making room
60: ice making chamber 61: ice making wall
62: horizontal wall 63: vertical wall
70: Machine room 100: Automatic deicing assembly
200: air duct 201: heat insulating member
202: inner flow pathway 203: inner flow path entrance
204: inner flow path outlet 205: fixing member
300: Ice-maker 310: Ejector
311: Ejector rotation axis 312: Ejector pin
320: Fixing device 330: Drain duct
331: Guide part 332: Moving heater fixing part
333: refrigerant pipe fixing part 334, 335: elastic part,
336: Insulation material 337: Anti-glare cover
340: Ice-making tray 341:
342: partition wall portion 342a: first partition wall portion
342b: second partition wall portion 343:
344: communicating portion 345: opening
346: Water supply port 347: Cutting rib
349: Ice making space 349a, 349b: Unit ice making space
350: slider 360: heat exchange rib
361: refrigerant tube contact portion 362:
370: ice heater 380: ice
380a, 380b: ice 400: ice bucket
401: ice storage space 402: ice discharge port
403: auger 404: my ice cover
405: Grinding device 406: blade
407: support member 408: connecting member
500: auger motor assembly 510: auger motor
511: auger motor receiving part 512: auger motor flange
520: ice making pan fan 521, 522: fan bracket part, sealing member
530: Solenoid valve 531: Solenoid valve housing part
540: drain hose 541: drain hose housing part
542: drain heater 543: drain hose inlet
544: drain hose accommodation space 545: drain hose insulating member
550: Air inflow space 560: Ice discharging chamber
570: evaporation plate 580: light sensor
590: Temperature sensor 600: Driving device
610: drive device case 611: drive device case connection hole
612: inner space 613: cover
614: optical sensor 620: drive module
630: Module case 631: Module case fastening hole
632: fastening member 633: module case cover
640: circuit board 650:
660: driving gear 661: first driving gear
661a: large gear 661b: small gear
662: second transmission gear 663: third transmission gear
664: fourth transmission gear 665: driven gear
670: Connection bar 671: Insert groove
A storage compartment in which a front surface is opened inside the main body and in which the opened front surface is opened and closed by a door;
An ice making compartment inside the body, the ice compartment being defined by the storage compartment and having a front opening;
A cold air supply device having a compressor, a condenser, an expansion device, an evaporator, and a refrigerant pipe, wherein at least a part of the refrigerant pipe is disposed inside the ice making chamber to supply cooling energy to the ice making chamber;
A heat insulating member surrounding the refrigerant pipe of the ice making chamber and an internal flow path forming at least a part of a cool air flow path circulating inside the ice making chamber;
An ice maker having an ice tray for contacting the refrigerant tube of the ice making chamber to receive cooling energy directly from the refrigerant tube of the ice making chamber, an ejector for separating the ice tray from the ice tray, and a drain duct for guiding the defrost water of the ice tray ;
An ice storage space for storing the ice separated from the ice-making tray, an ice discharge port formed to discharge the ice, an auger for transferring the ice stored in the ice storage space to the ice discharge port, An ice crushing device, and an ice bucket having an ice making chamber cover for opening and closing an opened front side of the ice making chamber;
An ice making chamber discharge duct for guiding water discharged from the ice making chamber to an evaporation dish provided at a lower portion of the main body; And
An ice maker for driving the auger, an ice making chamber for flowing air in the ice making chamber, a solenoid valve for selecting whether to crush ice through the ice crushing device, An auger motor assembly having a drain hose for guiding to an ice making chamber discharge channel; Lt; / RTI &gt;
Wherein the auger motor assembly is integrally formed by assembling the auger motor, the ice-making chamber fan, the solenoid valve, and the drain hose,
The auger motor assembly may be slidably inserted into the ice making chamber through an open front of the ice making chamber and may be slidably drawn out to the outside of the ice making chamber through the opened front face of the ice making chamber, .
And the drain hose is disposed at one side of the auger motor.
And the solenoid valve is disposed in front of the auger motor.
And the ice-making chamber fan is disposed above the auger motor.
Wherein the ice-making chamber fan is disposed such that its rotation axis is positioned in a vertical direction.
Wherein the ice-making chamber fan and the auger motor are spaced apart from each other,
Wherein an air inflow space is formed between the ice making chamber fan and the auger motor so that air can flow into the ice making chamber fan.
Wherein an inlet of the internal flow path is formed on a lower surface of the air duct, an outlet of the internal flow path is formed on a front surface of the air duct,
Wherein the air duct draws air in a lower direction and discharges air in a forward direction.
Wherein the auger motor assembly is mounted on the lower side of the air duct and the air blown through the ice making chamber fan flows into the inlet of the internal flow path of the air duct.
And a drain heater for preventing freezing of the drain hose is installed on an outer circumferential surface of the drain hose.
The inlet of the drain hose is connected to the drain duct so that the defrost water of the ice-making tray is guided to the evaporation dish through the drain duct, the drain hose and the ice-making chamber discharge passage in order, when the auger motor assembly is mounted in the ice- And an outlet of the drain hose is connected to the ice making chamber discharge passage.
Wherein the auger motor assembly includes an optical sensor for detecting whether the ice bucket is full or not.
Wherein the auger motor assembly is slidably inserted into the ice making chamber through the opened front face of the ice making chamber and mounted on the lower side of the air duct after the air duct is installed in the ice making chamber.
The auger motor assembly is slidably inserted into the ice making chamber through the opened front face of the ice making chamber and mounted on the lower side of the air duct so that the ice bucket is mounted in front of the auger motor assembly, Wherein the ice making chamber cover closes the opened front side of the ice making chamber to seal the ice making chamber.
KR1020110147530A 2011-12-30 2011-12-30 Refrigerator KR101907166B1 (en)
KR1020110147530A KR101907166B1 (en) 2011-12-30 2011-12-30 Refrigerator
US13/724,820 US8973391B2 (en) 2011-12-30 2012-12-21 Refrigerator
EP12199656.5A EP2610564B1 (en) 2011-12-30 2012-12-28 Refrigerator and icemaker
CN201210592098.5A CN103185431B (en) 2011-12-30 2012-12-31 Refrigerator
KR20130078532A KR20130078532A (en) 2013-07-10
KR101907166B1 true KR101907166B1 (en) 2018-10-15
ID=47605357
US (1) US8973391B2 (en)
EP (1) EP2610564B1 (en)
KR (1) KR101907166B1 (en)
CN (1) CN103185431B (en)
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2011-12-30 KR KR1020110147530A patent/KR101907166B1/en active IP Right Grant
2012-12-21 US US13/724,820 patent/US8973391B2/en active Active
2012-12-28 EP EP12199656.5A patent/EP2610564B1/en active Active
2012-12-31 CN CN201210592098.5A patent/CN103185431B/en active IP Right Grant
KR20130078532A (en) 2013-07-10
EP2610564A3 (en) 2017-11-22
EP2610564B1 (en) 2018-09-19
CN103185431A (en) 2013-07-03
CN103185431B (en) 2016-09-14
EP2610564A2 (en) 2013-07-03
US8973391B2 (en) 2015-03-10
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2018-06-26 E601 Decision to refuse application