KR20160145439A

KR20160145439A - Ice making apparatus

Info

Publication number: KR20160145439A
Application number: KR1020150082139A
Authority: KR
Inventors: 이석임; 이상만
Original assignee: (주)엘에스엠스노위즈; 이석임
Priority date: 2015-06-10
Filing date: 2015-06-10
Publication date: 2016-12-20

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide an ice maker capable of hygienic management of an ice making raw material and efficient use of space. The ice making apparatus according to an embodiment of the present invention includes a case, a ice making drum installed inside the case for circulating the refrigerant supplied from the refrigerant circuit portion to produce a deicing raw material film which is freezed on the outer surface, And an ice-making raw material tank provided inside the case for supplying an ice-making raw material to an ice-making raw material tank provided below the ice-making drum.

Description

ICE MAKING APPARATUS

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an ice maker, and more particularly, to an ice maker for hygienically supplying an ice maker.

Korean Patent No. 10-0809928 discloses a ice-making drum unit for a scraped ice ice maker. The ice-making drum unit for ice-crushing ice is frozen in the water tank inside the ice-making chamber and is rotated by the rotational force of the drive motor to freeze the water film formed on the outer surface by vaporization of the compressed refrigerant inside, To cut the frozen surface to produce slices or flour ice.

The ice-making drum unit for the ice-making and ice-making apparatus supplies the refrigerant to the nozzle tube provided inside the rotating ice-making drum, freezes the water film on the outer surface of the ice-making drum, And is connected to the refrigeration circuit for recovery.

The refrigeration circuit section is connected to the evaporator (the low-temperature liquid refrigerant) through a compressor (compressing the gas refrigerant into a high-temperature gas refrigerant), a condenser (condensing the high-temperature gas refrigerant into the low-temperature liquid refrigerant), and an expansion valve The gas refrigerant absorbs the ambient heat and is converted into a high-temperature gas refrigerant), and recirculates the gas refrigerant recovered in the ice-making drum to the compressor.

For example, the icemaker is provided with an ice-making raw material tank on the outside of the apparatus, supplies the ice-making raw material to the water-supplying tank in the apparatus, drives the ice-making drum in the water- The blade is used to produce pieces or flour ice.

Such an ice maker may cause spoilage of the raw material for ice-making and bacterial growth because the ice-making raw material tank is provided outside the apparatus. That is, hygienic management of the ice-making raw material tank is difficult, and efficiency and aesthetics of the space where the ice maker is installed are lowered.

SUMMARY OF THE INVENTION An object of the present invention is to provide an ice maker capable of hygienic management of an ice making raw material and efficient use of space.

The ice making apparatus according to an embodiment of the present invention includes a case, a ice making drum installed inside the case for circulating the refrigerant supplied from the refrigerant circuit portion to produce a deicing raw material film which is freezed on the outer surface, And an ice-making raw material tank provided inside the case for supplying an ice-making raw material to an ice-making raw material tank provided below the ice-making drum.

The ice making apparatus according to an embodiment of the present invention may further include an installation member provided on the case at a position above the ice making drum, and the ice making raw material tank may be disposed on the attachment member and connected to the ice making raw material tank.

The ice-making raw material tank may be supplied with the ice-making raw material by a gravity-free method or a press-feeding method.

The icemaker according to an embodiment of the present invention may further include a heat exchanger provided at one side of the ice-making raw material tank and cooling the ice-making raw material tank by circulating the refrigerant supplied from the refrigerant circuit.

The heat exchanger may be formed at least in the form of a plate and installed inside the case, and the ice-making raw material tank may be disposed on the heat exchanger.

The refrigerant circuit unit includes a compressor for compressing the gas refrigerant into high temperature gas refrigerant, a condenser connected to the compressor for condensing the high temperature gas refrigerant into low temperature liquid refrigerant, and a condenser connected to the condenser, Liquid refrigerant is supplied to the ice-making drum, and the high-temperature gaseous refrigerant recovered in the ice-making drum is connected to the ice-making drum by a recovery line and is connected to the compressor. Heat exchange is performed between the low-temperature liquid refrigerant supplied and the recovered high- And the heat exchanger may be installed in a first bypass line connecting the supply line and the recovery line between the ice-making drum and the buffer tank in parallel with the ice-making drum.

The refrigerant circuit unit includes a first solenoid valve installed in the supply line for interrupting a refrigerant supplied to the ice-making drum, a first capillary tube installed in the first bypass line, a second capillary tube connected in parallel with the first capillary tube, And a second solenoid valve installed in the second bypass line for interrupting the refrigerant supplied to the second capillary.

As described above, according to the embodiment of the present invention, since the ice-making raw material tank is provided inside the case and the ice-making raw material is freely supplied (or pressure-fed) to the ice-making raw material tank from the ice-making raw material tank by gravity, There is an effect of enabling efficient use.

1 is a front view of an ice maker according to a first embodiment of the present invention.
2 is a cross-sectional view taken along the line II-II in FIG.
3 is an arrangement plan view of the ice-making raw material tank and the ice-making drum.
4 is a front view of the arrangement of the ice-making raw material tank and the ice-making drum.
Fig. 5 is a perspective view of the ice-making drum of Fig. 3;
FIG. 6 is an exploded perspective view of the ice-making drum of FIG. 5;
7 is a cross-sectional view taken along the line VII-VII in FIG.
8 is a refrigerant circuit diagram applied to the ice maker shown in Fig.
9 is a partial perspective view of an ice maker according to a second embodiment of the present invention.
10 is a partial cross-sectional view taken along the line X-X of Fig.
11 is a partial cross-sectional view of an ice maker according to a third embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a front view of an ice maker 1 according to a first embodiment of the present invention, and FIG. 2 is a sectional view taken along the line II-II in FIG. 1 and 2, the ice making device 1 of the first embodiment includes a case 10, a ice-making drum 20, and an ice-making raw material tank 70.

The ice maker 1 may further include a heat exchanger 80 fixedly installed in the case 10 so as to contact the ice-making raw material tank 70. Although the heat exchanger 80 may be selectively applied, the icemaker 1 of the first embodiment will be described with a configuration including the heat exchanger 80 for convenience.

The ice-making drum (20) and the ice-making raw material tank (70) are installed inside the case (10). Accordingly, it is possible to hygienic management of the ice-making raw material contained in the ice-making raw material tank 70 and efficient use of the space.

For example, the case 10 is provided with components (not shown) for forming a refrigerant circuit portion 90 (see FIG. 8) in the lower portion 101, And has a structure in which ice (I1) after ice making is processed into a piece or powder (I2), and a heat exchanger (80) and an ice-making raw material tank (70) are provided in an upper part (103). In addition, the case 10 mounts the door 12 with the hinge 13 in front of the ice making chamber 11, so that the processed ice pieces or the powder I2 can be taken out.

FIG. 3 is a plan view showing the arrangement of the ice-making raw material tank and the ice-making drum, and FIG. 4 is a front view showing the arrangement of the ice-making raw material tank and the ice-making drum. 2, 3 and 4, the ice-making raw material tank 70 pressurizes and feeds the ice-making raw material to the ice-making raw material tank 25 provided below the ice-making drum 20.

The ice-making raw material tank 70 pressurizes the ice-making raw materials contained in the air supplied by the pump P provided at one side and supplies the raw material to the ice-making raw material tank 25 through the connection pipe 71.

The ice making raw material tank 70 includes a cylinder 72 for storing an ice making raw material and a lid 73 for covering the cylinder 72. The lid 73 is provided on the lid 73 and extends to the vicinity of the bottom of the cylinder 72, (P). &Lt; / RTI > The cylinder 72 and the lid 73 are hermetically sealed.

The air pumped by the pump P is also supplied to the ice-making raw material stored in the cylinder 72 through the lid 73 and the tube 74 to stir the ice-making raw material so that the ice-making raw material is precipitated from the bottom of the cylinder 72 .

Referring to FIG. 2, the ice-making drum 20 is configured to circulate the refrigerant supplied from the refrigerant circuit portion 90 to produce an ice-making raw material film that is freezed on the outer surface thereof as pieces or powdered ice.

A cutting edge 30 and a support base 31 are provided so as to be parallel to the ice-making drum 20 at the front lower side of the ice-making drum 20 for the production of flakes or flour ice. The cutting edge 30 is disposed on the support base 31 to cut ice I1 frozen on the outer surface of the ice making drum 20 into a size corresponding to the adjusted interval. That is, according to the interval between the ice-making drum 20 and the cutting edge 30, the frozen ice I1 can be processed into a powder I2 such as a piece of set size or snow.

The support base 31 is bent forward at a portion where the cutting edge 30 is mounted so as to guide a piece or powder I2 processed from the ice I1 to the front of the ice making raw material tank 25, Lt; / RTI > Although not shown separately, the support base and the cutting edge may be integrally formed.

FIG. 5 is a perspective view of the ice-making drum of FIG. 3, FIG. 6 is an exploded perspective view of the ice-making drum of FIG. 5, and FIG. 7 is a sectional view taken along the line VII-VII of FIG. Referring to FIGS. 5, 6 and 7, for the production of flakes or powdered ice, the ice-making drum 20 has a nozzle tube 40 therein and has a sealing assembly 50 on one side.

The nozzle tube 40 is installed to connect the inside and the outside of the ice-making drum 20 so that the coolant is sprayed into the ice-making drum 20 to supply the coolant to the ice-making drum 20, After the ice-making raw material film is frozen, the refrigerant is recovered and circulated.

The sealing assembly 50 is provided between the stationary nozzle pipe 40 and the rotating ice maker 20 so as to seal between the stationary body and the rotating body so as to supply the refrigerant to the ice maker drum 20, And is configured to prevent the refrigerant from leaking during the process of recovering the refrigerant after the freezing operation is completed.

2, a driven sprocket 21 is provided on one side of the ice-making drum 20, and a drive sprocket 23 is provided on the motor 22 provided inside the case 10 . The drive sprocket (23) and the driven sprocket (21) are connected to a chain (24). Therefore, the ice-making drum 20 is rotationally driven in a chain manner in accordance with the driving of the motor 22. [ Also, although not shown separately, the ice-making drum may be rotationally driven in a gear mode.

An ice making raw material bath 25 is provided below the ice making drum 20 to supply an ice making raw material for ice making conveyed from the ice making raw material tank 70. The ice-making drum 20 is disposed below the level of the ice-making raw material tank 25 so as to be partially immersed in the ice-making raw material, so that the ice-making raw material film is formed on the external surface.

The ice-making raw material film is freezed and cut on the outer surface of the ice-making drum 20, so that the level of the ice-making raw material bath 25 is lowered. The lowered water level can be adjusted because the separately provided floater 251 automatically supplies and blocks the raw material for ice making (see FIG. 4).

Further, the level of the deicing material tank can be precisely controlled by detecting the level of the deicing material tank by a separate sensor and controlling the level control valve according to the detected level.

Referring again to FIGS. 5, 6 and 7, an example of the ice-making drum 20 includes an installation hole 26 for insertion and installation of the nozzle tube 40 on the opposite side of the driven sprocket 21.

The nozzle pipe 40 is inserted into the mounting hole 26 and is supported on the inner side of the ice-making drum 20 via a bearing 41 so as to be relatively rotatable at one end. The mounting assembly 26 is provided with a sealing assembly 50 So as to be relatively rotatable with the other end.

Also, although not shown in the drawing, the nozzle tube may be disposed at a free end without bearing at the inner side of the ice-making drum, and may be provided so as to be relatively rotatable only at the mounting hole.

The nozzle tube 40 includes a plurality of nozzles 42 for supplying low temperature gas refrigerant to the inside of the ice making drum 20 and a return pipe 43 inside the nozzle tube 40. A refrigerant supply passage P1 is formed between the inner surface of the nozzle tube 40 and the outer surface of the return pipe 43 and the refrigerant supply passage P1 is connected to the buffer tank 93 through the supply line L1 And the low-temperature gas refrigerant is supplied (see Fig. 8).

The recovery pipe 43 forms a refrigerant recovery passage P2 for recovering hot gaseous refrigerant absorbing heat from the inside of the ice making drum 20. The refrigerant recovery passage P2 is connected to the compressor (91) to recycle the hot gaseous refrigerant (see Fig. 8).

The plurality of nozzles 42 are provided to be spaced apart from each other along the longitudinal direction of the ice-making drum 20. Of the nozzles 42, the outermost nozzles 421 corresponding to both ends of the ice-making drum 20 are slanted at an angle? Set with respect to the longitudinal direction of the nozzle tube 40. Therefore, uniform ice making can be realized over the entire longitudinal direction of the ice-making drum 20 including both ends of the ice-making drum 20 corresponding to the outermost nozzle 421.

A first plug 441 and a second plug 442 are connected to both ends of the nozzle tube 40. The first plug 441 is connected to the nozzle tube 40 outside the ice making drum 20 and the second plug 442 is connected to the nozzle tube 40 inside the ice making drum 20.

The first plug 441 is connected to a refrigerant supply passage P1 by being coupled with a refrigerant supply member 45 for supplying low-temperature gas refrigerant. The second plug 442 blocks the refrigerant supply passage P1 and is coupled to the first refrigerant recovery member 46. [ The first refrigerant recovering member (46) recovers hot gas refrigerant that absorbs heat after the ice making process inside the ice making drum (20).

The second plug 442 is connected to the first refrigerant recovering member 46 through a seal member 431 and a return pipe 43 which forms the refrigerant return passage P2. The return pipe 43 is connected to the second refrigerant recovering member 48 which is coupled to the first plug 441 via the seal member 481. [

The nozzle tube 40 is provided with a nozzle 42 and a first nozzle 42 at the outer end so as to confirm the direction of the nozzle 42 in the ice making drum 20 in a state where the nozzle tube 40 is installed in the ice- And display portions (S1, S2) corresponding to the direction of the refrigerant recovery member (46).

The sealing assembly 50 is provided between the nozzle tube 40 serving as a fixing member and the ice making drum 20 serving as a rotating body and is supplied and recovered to the refrigerant supply passage P1 and the refrigerant return passage P2, And is configured to prevent leakage of the refrigerant.

For example, the sealing assembly 50 includes a first sealing member 51 provided on the fixed side, a second sealing member 52 provided on the rotating side and in surface contact with the first sealing member 51 to seal each other, . The first sealing member 51 is fixed to the nozzle tube 40 and is formed of carbon.

The second sealing member 52 is fixed to the ice-making drum 20 and is in surface contact with the first sealing member 51 on the side surface and is in surface contact with the nozzle tube 40 on the inner circumferential surface to be relatively rotated and formed of ceramic.

The coolant includes lubricant so that effective sealing is achieved between the surface contact of the first and second sealing members 51, 52 and the surface contact of the second sealing member 52 and the nozzle tube 40. The first sealing member 51, which is formed and fixed by the carbon in the relative rotation between the first and second sealing members 51 and 52, is mainly worn, so that uniform surface contact can be maintained.

As described above, the first and second sealing members 51 and 52 are made of different materials so that the side of weak mechanical strength is worn during the relative rotation, so that it is possible to always maintain uniform surface contact with the side having high mechanical strength do. The carbon and the ceramic can prevent the first and second sealing members 51 and 52 from being welded together by frictional heat while the carbon is worn.

The sealing assembly 50 includes an elastic member 54 which is supported on one side of the first sealing member 51 via the washer 53 and on the side of the nozzle tube 40 so as to have an elastic force in the axial direction, And a retainer member 55 mounted on the pipe 40 via a bearing 201 and mounted to the mounting hole 26 of the ice-making drum 20 to the outside. The retainer member 55 receives the packing 56 for supporting the second sealing member 52 and further supports the surface contact sealing of the first and second sealing members 51 and 52.

The first sealing member 51 includes a first inner circumferential surface 511, a second inner circumferential surface 512 and a third inner circumferential surface 513 which are stepped inward. The first inner circumferential surface 511 is in contact with the outer circumferential surface of the nozzle tube 40 and has a first sealing 531 to realize sealing with the nozzle tube 40.

The second inner circumferential surface 512 is formed as a step on the first inner circumferential surface 511 and has a second sealing 532 to further implement the sealing with the nozzle tube 40. The third inner circumferential surface 513 is formed as a step on the second inner circumferential surface 512 to receive the washer 53. The washer 53 stabilizes the second sealing 532 on the second inner peripheral surface 512. [

The first sealing member 51 has a stepped outer peripheral surface and a part of the first sealing member 51 is inserted into the retainer member 55 so that the surface contact portions of the first and second sealing members 51, The pressure acting on the surface contact portion is minimized, thereby maximizing the sealing effect.

The elastic member 54 is supported on a stop member 533 provided in the nozzle tube 40 so that the first sealing member 51 is in surface contact with the second sealing member 52 by pressing the washer 53. [ Even when the first and second sealing members 51 and 52 are abraded by the relative rotation, the elastic force of the elastic member 54 can continuously maintain the surface-contact sealing structure.

That is, the elastic member 54 presses the first sealing member 51 toward the second sealing member 52 side in spite of the wear of the first sealing member 51, so that the first and second sealing members 51, To maintain a tight surface contact sealing condition at all times.

The second sealing member 52 is in surface contact with the outer peripheral surface of the nozzle tube 40 to the inner peripheral surface to further form a sealing structure. The outer circumferential surface of the nozzle tube 40 on which the second sealing member 52 is mounted and the inner circumferential surface of the second sealing member 52 form a smooth surface to maintain surface contact.

The outer surface 202 of the nozzle tube 40 on which the first and second sealing members 51 and 52 are provided is formed to have a smaller diameter than the portion 203 on which the nozzle 42 is mounted, It is possible to facilitate the installation of the retaining stopper 533 and minimize the roughness of the outer surface 202 to further strengthen the sealing with the first and second sealing members 51 and 52. [

The packing 56 is received in the side surface and the inner peripheral surface of the retainer member 55 and receives the side surface and the outer peripheral surface of the second sealing member 52 with the receiving groove 561. [ For example, the packing 56 may be formed of rubber. Thus, the packing 56 forms a sufficient sealing structure between the integrally rotating second sealing member 52 and the retainer member 55.

In addition to that. The first and second seals 531 and 532 are formed of rubber and can form a sufficient sealing structure between the first sealing member 51 integrally fixed and the outer peripheral surface of the nozzle tube 40.

The first sealing member 51 and the second sealing member 52 are arranged between the surface contact of the first and second sealing members 51 and 52 and the surface contact between the second sealing member 52 and the nozzle pipe 40 A sufficient sealing structure is formed. Therefore, tight sealing can be realized between the freezing drum 20, which is a rotating body, and the nozzle tube 40, which is a fixed chain.

2, 3, and 4, the heat exchanger 80 is provided at one side of the ice-making raw material tank 70 to circulate the refrigerant supplied from the refrigerant circuit unit 90 (see FIG. 8) 70 to cool the inside of the ice-making raw material tank 70 to a low temperature.

The ice making raw material tank 70 is disposed above the ice making drum 20 via a mounting member (not shown) inside the case 10 and connected to the ice making raw material tank 25 by a connecting pipe 71.

The heat exchanger 80 for cooling the ice-making raw material tank 70 may be formed at least in the form of a plate and installed below the ice-making raw material tank 70. That is, the ice-making raw material tank 70 is disposed on the heat exchanger 80. Although not shown, the heat exchanger may be formed to further cool the side portion of the ice-making raw material tank.

In this embodiment, the heat exchanger 80 is formed in a plate-like shape and contacts the bottom of the ice-making raw material tank 70 to cool the bottom portion. Therefore, the ice-making raw materials contained in the ice-making raw material tank 70 can be maintained fresh without deterioration. That is, decay of the raw material for ice-making and prevention of bacterial growth are possible, and hygienic management of the raw material for ice-making is possible.

On the other hand, when the installation member is installed in the case and the heat exchanger is installed in the installation member, the installation member may further include a buffer member interposed in a portion facing the heat exchanger. The shock absorbing member absorbs vibration by driving the motor and can prevent the vibration from being transmitted to the heat exchanger and the ice-making raw material tank.

8 is a refrigerant circuit diagram applied to the ice maker shown in Fig. 8, the refrigerant passes through the compressor 91, the condenser 92 and the buffer tank 93 and is injected into the ice making drum 20 to absorb the surrounding internal heat, And then circulated back to the compressor (91).

The refrigerant circuit portion 90 includes a compressor 91, a condenser 92, a buffer tank 93, a heat exchanger 80, and a ice-making drum 20. The compressor 91 compresses the recovered gas refrigerant into high temperature gas refrigerant and supplies the compressed gas refrigerant. The compressor 91 is connected to a supply line L1 for supplying the refrigerant and a recovery line L2 for recovering the refrigerant.

The condenser 92 is connected to the compressor 91 to condense the high temperature gas refrigerant into the low temperature liquid refrigerant. The condenser 92 is connected to the compressor 91 via the supply line L1.

The buffer tank 93 is connected to the condenser 92 and the ice-making drum 20 through a supply line L1 to supply low-temperature liquid refrigerant to the ice-making drum 20, And the compressor 91 to recover the high-temperature gas refrigerant from the ice-making drum 20 to the compressor 91.

For example, the buffer tank 93 is formed to have a double pipe structure, so that the flow rate of the refrigerant supplied from the compressor 91 and the refrigerant recovered to the compressor 91 are controlled to be the same, And performs heat exchange between the recovered high temperature gas refrigerant.

That is, the buffer tank 93 receives the liquid refrigerant containing the gas phase from the condenser 92, supplies the liquid refrigerant to the ice-making drum 20 in a liquid state, and implements heat exchange therein, And the compression effect in the compressor 91 can be increased.

The heat exchanger 80 includes a first bypass line B1 for connecting the supply line L1 and the recovery line L2 in parallel with the ice making drum 20 between the ice making drum 20 and the buffer tank 93, Respectively.

That is, the refrigerant supplied from the buffer tank 93 to the supply line L1 may be supplied to the ice-making drum 20 and the heat exchanger 80 in parallel. The buffer tank 93 controls the amount of refrigerant accumulated in the inside of the buffer tank 93 according to the change amount of the refrigerant supplied to the ice-making drum 20, so that the amount of the refrigerant supplied and recovered in the compressor 91 is made constant.

To this end, the refrigerant circuit portion 90 further includes a first solenoid valve SV1, a first capillary C1, a second bypass line B2, a second capillary C2, and a second solenoid valve SV2 do.

The first solenoid valve SV1 is provided in the supply line L1 so that the refrigerant supplied from the buffer tank 93 to the ice-making drum 20 without interfering with the supply of the refrigerant to the first bypass line B1 .

When the first solenoid valve SV1 is opened and the refrigerant is supplied, ice is produced in the ice-making drum 20. When the first solenoid valve SV1 is closed, the ice-making drum 20 is not operated and ice production is stopped.

The first bypass line B1 enables the refrigerant supplied from the buffer tank 93 to be supplied to the heat exchanger 80 separate from the ice-making drum 20. [ The first capillary tube C1 is installed in the first bypass line B1 so that the refrigerant supplied from the buffer tank 93 is always supplied to the heat exchanger 80 so that the refrigerant supplied from the ice- (70).

The second capillary tube C2 is installed in parallel with the first capillary tube C1 in the second bypass line B2 and the second solenoid valve SV2 is connected to the second capillary tube B2 in the second bypass line B2. C2 to control the refrigerant supplied to the second capillary C2. The second solenoid valve SV2 can be selectively opened or closed.

When the second solenoid valve SV2 is opened, the refrigerant supplied from the buffer tank 93 flows through the first bypass line B1 and the second bypass line B2, the second solenoid valve SV2, (C2) to the heat exchanger (80) to further enhance the cooling of the ice-making raw material tank (70).

That is, when the first solenoid valve SV1 is opened and the ice-making drum 20 produces ice, the second solenoid valve SV2 is closed. Therefore, the refrigerant supplied to the heat exchanger 80 through the first bypass line B1 and the first capillary C1 cools the ice-making raw material tank 70.

When the first solenoid valve SV1 is closed and the ice-making drum 20 does not produce ice, the second solenoid valve SV2 is opened. Accordingly, the refrigerant supplied to the heat exchanger 80 through the first bypass line B1 and the first capillary C1 and the second bypass line B2, the second solenoid valve SV2, and the second capillary C2 The cooling medium supplied to the heat exchanger 80 cools the ice-making raw material tank 70.

That is, when the ice making drum 20 produces ice cubes, the ice making raw material tank 70 cools the ice making chamber 11 with the refrigerant supplied to the first capillary tube C1, and the ice making drum 20 produces ice The first and second capillaries C1 and C2 are cooled by the refrigerant supplied to the first and second capillaries C1 and C2. Accordingly, the ice-making raw material in the ice-making raw material tank 70 can be kept at a low temperature irrespective of whether the ice-making drum 20 and the cutting edge 30 produce powder or chipped ice.

In the case where ice is not produced in the ice-making drum 20, the refrigerant is supplied to the heat exchanger 80 for cooling the ice-making raw material tank 70, so that the first and second sealing members 51 and 52 can be prevented from being excessively increased. The sealing performance between the first and second sealing members 51 and 52 can be improved.

Various embodiments of the present invention will be described below. The description of the same configuration as that of the first embodiment and the previously described embodiment will be omitted, and different configurations will be described.

FIG. 9 is a partial perspective view of an ice maker according to a second embodiment of the present invention, and FIG. 10 is a partial sectional view cut along the line X-X of FIG. 9 and 10, the ice maker 2 according to the second embodiment further includes an installation member 14 provided on the case 10 above the ice making drum 20. As shown in FIG.

For example, the mounting member 14 may be formed in a square shape and installed above the case 10 so as to be movable left and right. The ice-making raw material tank 270 is arranged in a structure that spans on the mounting member 14 and can be moved back and forth, and is connected to the ice-making raw material tank 25 by a connecting pipe 271. The ice-making raw material tank 270 supplies the ice-making raw material to the ice-making raw material tank 25 in a free manner by gravity.

The connecting pipe 271 is provided with a connecting member 272 for separating and connecting the connecting pipe 271 so that the ice-making raw material tank 270 can be separated and separated from the mounting member 14 . That is, the connecting member 272 may further include a valve 273 to intermittently supply the ice-making raw material.

In addition, the ice making device 2 according to the second embodiment may further include a heat exchanger 280 at a lower portion of the ice making raw material tank 270. The heat exchanger (280) maintains the temperature inside the ice-making raw material tank (270) at a low temperature.

11 is a partial cross-sectional view of an ice maker according to a third embodiment of the present invention. 11, the ice making device 3 of the third embodiment applies the ice making raw material tank 70 of the first embodiment to the mounting member 14 of the second embodiment, and the connecting pipe 271 of the second embodiment .

On the other hand, a buffer member 15 may further be provided between the mounting member 14 and the ice-making raw material tank 70. The shock absorbing member 15 absorbs vibration by driving the motor and is prevented from being transmitted to the ice-making raw material tank 70 through the case 10 and the mounting member 14. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And it goes without saying that the invention belongs to the scope of the invention.

1, 2. 3: Deicing device 10: Case
11: ice making room 12: door
13: hinge 14: mounting member
15: buffer member 20:
21: driven sprocket 22: motor
23: drive sprocket 24: chain
25: Deicing raw material tank 26:
30: cutting edge 31: support
40: nozzle tube 41, 201: bearing
42: nozzle 43: return pipe
45: refrigerant supply member 46, 48: first and second refrigerant recovery members
50: sealing assembly 51, 52: first and second sealing members
53: washer 54: elastic member
55: retainer member 56: packing
70, 270: Deicing material tank 71, 271:
272: connecting member 273: valve
80, 280: heat exchanger 90: refrigerant circuit
91: compressor 92: condenser
93: Buffer tank 202: Outer surface
203: mounting portion 421: outermost nozzle
431, 481: seal member 441, 4412: first and second plugs
511, 512, 513: first, second and third inner circumferential surfaces 531, 532: first and second sealing
533: stop member 561: receiving groove
B1, B2: first and second bypass lines C1, C2: first and second capillaries
I1: ice after ice making I2: piece or powder
L1: supply line L2: recovery line
P1: Refrigerant supply passage P2: Refrigerant return passage
S1, S2: Display portions SV1, SV2: First and second solenoid valves
θ: angle

Claims

case;
A deicing drum installed in the case and circulating the refrigerant supplied from the refrigerant circuit portion to produce an ice-making raw material film which is freezed on the outer surface thereof into pieces or powdered ice; And
And an ice-making raw material tank provided inside the case for supplying an ice-making raw material to an ice-making raw material tank provided below the ice-
.

The method according to claim 1,
Further comprising an installation member provided on the case at a position above the ice making drum,
Wherein the ice-making raw material tank is disposed on the mounting member and connected to the ice-making raw material tank.

The method according to claim 1,
The ice-making raw material tank
Wherein the ice-making raw material is supplied by a gravity-free method or a press-feeding method.

The method according to claim 1,
And a heat exchanger provided at one side of the ice-making raw material tank for circulating the refrigerant supplied from the refrigerant circuit part to cool the ice-making raw material tank.

5. The method of claim 4,
The heat exchanger is formed at least in a plate-like shape and is installed inside the case,
And the ice-making raw material tank is disposed on the heat exchanger.

The method according to claim 4 or 5,
The refrigerant circuit portion includes:
A compressor for compressing gas refrigerant into a high-temperature gas refrigerant,
A condenser connected to the compressor for condensing high-temperature gas refrigerant into low-temperature liquid refrigerant, and
The high-temperature gas refrigerant recovered from the ice-making drum is connected to a compressor and connected to the ice-making drum through a recovery line. The low-temperature liquid refrigerant is supplied to the ice- And a buffer tank for performing heat exchange between the liquid refrigerant of the high temperature gas refrigerant and the recovered high temperature gas refrigerant,
The heat exchanger
And a first bypass line connecting the supply line and the recovery line in parallel with the ice-making drum, between the ice-making drum and the buffer tank.

The method according to claim 6,
The refrigerant circuit portion includes:
A first solenoid valve installed in the supply line for controlling the refrigerant supplied to the ice-making drum,
A first capillary tube installed in the first bypass line,
A second capillary tube installed in a second bypass line connected in parallel with the first capillary tube,
And a second solenoid valve installed in the second bypass line for interrupting the refrigerant supplied to the second capillary.