KR20110126313A - Refrigerant pipe and auger-type icemachine for using the same - Google Patents

Abstract

PURPOSE: A refrigerant pipe and an auger type ice-machine using the same is provided that the structure of the auger type ice-machine is improved, the ice of the small size is manufactured. CONSTITUTION: An auger type ice-machine comprises a refrigerant pipe(11), a driving part(12), and an auger(13). The refrigerant pipe comprises the inner tube and the outer tube, the spiral groove is formed in the outer circumference of the inner tube, the outer tube has the small inside diameter thing same like the external diameter of the inner tube or. The refrigerant inlet and the refrigerant discharging hole are formed in the outer circumference of the outer tube. The refrigerant flow is formed between the outer tube and the inner tube. The driving part rotates the auger locating inside the evaporation tube, locates in the upward of the auger.

Description

Evaporation pipe and auger ice making device using the same {Refrigerant pipe and auger-type icemachine for using the same}

The present invention relates to an ice making tube and an auger type ice making apparatus using the same. In particular, the auger of the auger is formed above the evaporator tube (cylinder) to prevent frequent failure of the leakage preventing means generated when the driving means formed below The present invention relates to an improved evaporation tube and an auger deicing device using the same.

The ice maker known in the art is a type of apparatus for cooling the supplied water to make ice. Among them, an auger of an auger ice maker is installed vertically toward an ice outlet in an ice storage unit provided in an ice maker. A kind of screw with a screw blade for moving ice to the outlet side will be described.

The ice maker shown in FIG. 1A, 1B consists of a case, an ice-making unit, and a refrigeration system, as shown as an auger ice maker.

The case is provided with an ice reservoir for storing ice made in the ice making unit, and a refrigeration system including a compressor and a condenser is installed at the lower portion of the ice reservoir.

The ice making unit includes a water plate filled with water and a cooling plate, and a plurality of cooling protrusions are formed on the lower surface of the cooling plate to immerse in water to grow ice around it.

The ice maker configured as described above, when the refrigerant flows through the evaporation tube connected to the refrigerating system, the cooling plate and the cooling projection are cooled by heat exchange of the refrigerant to freeze the ice. The frozen ice is collected in an ice bin and discharged to the ice outlet as required by the user. At this time, an auger for moving the ice toward the ice outlet is installed at the bottom of the ice reservoir.

An auger is comprised including the rotating shaft rotated by the rotation of a drive motor, and the screw blade | wing provided in the helical direction along the outer peripheral surface of this rotating shaft.

Therefore, when the rotating shaft is rotated, the ice is moved along the screw blades of the auger to the ice outlet side and finally discharged from the ice reservoir.

Referring to Fig. 1b with respect to the auger ice making device configured as described above,

First, after the ice maker temporarily stops the ice making operation at first, in the initial stage of starting the ice making operation again, the soft ice which has been pushed upward by the auger and transported is introduced into the compression passage of the pressure head, When this ice is pushed through the compression path and pushed out to the upper ice cutting part, it is picked up by the ice cutting part which is inclined outward to prevent the passage of the ice. The phenomenon in which the ice is picked up is maintained by the set inclination angle of the ice cut and the stickiness of the ice containing a large amount of water. In this state, the ice is continuously pushed up by the auger, transported and introduced into the compression passage, whereby a compression action (so-called dehydration action) gradually occurs in the compression passage, and the compression action is transferred to the ice received at the ice cutting portion. The ice is gradually compressed and then cut at a point where it reaches a certain degree of hardness and becomes a hard mass of ice. As the ice introduced into the compression passage continues to be pushed, frozen, transported, and introduced into the compression passage, the beta ice and the pressure applied to the original hardness that has been pushed up from the back of the ice and grown to the original hardness A high quality ice column that rises slowly to bring the compressed state closer to the original compressed state, and the soft ice mass is cut several times at the ice cutting part, so that most of the moisture is removed from the compression passage by compression, followed by a hard rod. Pushed out.

The ice column formed in the shape of a hard rod is pushed out from the compression passage, and the tip (projection end) is cut by an outward force applied by colliding with the ice cutting portion to form an ice mass.

In particular, a leak prevention means (sealing) is devised to prevent corrosion of the downward driving means so that water is not leaked before the ice is produced in the process of making such ice. Such leakage preventing means is rarely caused by frequent use of the motor, causing a failure.

Therefore, as a countermeasure against this, improvement is required by fundamentally eliminating such leakage prevention measures by placing the driving means upward.

Of course, the position of the equipment of the water supply line is moved downward from the middle part in accordance with the change of the position of the drive means is accompanied with the necessary adjustment of the water supply pressure. This water supply pressure can be solved through the recently improved water supply control valve means.

In particular, what is needed with the improvement of such a leak prevention means is an ice making efficiency. The present invention seeks to improve the ice making efficiency at the same time as the facility improvement of such auger ice maker. Conventionally, the evaporator tube shown in FIG. However, even with such an improvement in the evaporation tube, the ice making efficiency was not good. Therefore, in the auger ice-making apparatus which improves ice-making efficiency, the evaporation tube which improved the efficiency has also been calculated | required.

SUMMARY OF THE INVENTION An object of the present invention is to provide a compact auger ice maker that can be miniaturized for home use by improving the structure of a conventional auger ice maker.

 The present invention also has an object to provide an auger deicing device in which the leak preventing means is removed from the bottom of the auger to achieve the above object and to fit such a compact ice maker.

Another object of the present invention is to provide an evaporation tube of an auger ice maker, in which an ice making efficiency of an ice maker of an auger ice maker is improved even though the number of parts is reduced as described above.

The present invention also aims to improve the installation of a drive means suitable for a compact auger ice maker.

In the evaporation tube of the auger ice maker of the present invention for achieving the above object is an evaporation tube of the auger ice maker consisting of an evaporator tube, a drive unit, and auger, a driving unit for rotating the auger of the inner center of the evaporator tube auger It is characterized by being located above.

The present invention auger ice maker for achieving the above object,

A raw water supply unit comprising a water level control member, a water supply filter, and a raw water inlet pipe;

A refrigeration cycle unit comprising a fan motor, an expansion valve, an evaporation tube, and a refrigerant passage, which drives a compressor, a condenser, and a cooling fan of the condenser; Ice reservoirs; And an evaporator tube disposed in an up and down direction and formed with a refrigerant flow path through which the refrigerant passing through the expansion valve evaporates, an auger provided in the evaporator tube and having a spiral blade formed thereon, and a driving motor provided on the axis of the auger. The ice frozen in the inner circumferential surface is scraped upward by the spiral blade is cut into a cutter to achieve an auger ice maker including an ice making unit discharged.

Evaporation tube of the auger ice maker of the present invention for achieving the above object,

It consists of an inner tube having a spiral groove on the outer circumferential surface of the cylindrical body and an inner diameter L2 equal to or larger than the outer diameter L1 of the inner tube, and having a coolant inlet hole and a cylindrical outer shape formed on the outer circumferential surface, respectively, above and below. The refrigerant passage is formed between the inner tube.

In addition, the evaporator tube of the auger ice maker of the present invention for achieving the above object,

The refrigerant inlet hole, the refrigerant discharge hole coupled to the inner tube consisting of a cylindrical tube made of a spiral groove on the inner circumferential surface of the cylindrical body formed on the upper and lower outer circumferential surfaces, and an inner diameter (L2) less than or equal to the inner diameter (L1) of the appearance Thus, the refrigerant passage is formed between the outer tube and the inner tube.

The present invention can provide a small size of ice by improving the structure of a conventional auger ice maker, and to provide a compact auger ice maker that can be reduced in size to produce such a small ice.

 The present invention provides an auger ice maker that removes the leakage preventing means from below the auger to fit the compact ice maker.

The present invention provides an evaporation tube having an improved ice making efficiency to fit a compact ice maker even if the number of parts is reduced.

The present invention improves the installation of the drive means suitable for the miniaturized auger ice maker.

1A and 1B are views showing the structure of a conventional auger ice maker and an ice maker;
Figure 2a is a schematic diagram showing an ice making unit of the present invention auger ice maker,
Figure 2b is an enlarged cross-sectional view of the main part of the ice making unit of the present invention auger ice maker,
3A and 3B are partial cutaway cross-sectional views showing an example of an ice making unit of the auger ice maker of the present invention;
4 is an overall schematic view of the auger deicing device of the present invention,
Figure 5a is a cross-sectional view of the water level control valve applied to the present invention auger ice maker,
5B is an overall operation diagram illustrating the operation of the present invention auger ice maker,
6A to 7B are schematic views showing an application example of the auger ice maker of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2A is a schematic view showing an ice making unit of the auger ice maker of the present invention, and FIG. 2B is an enlarged cross-sectional view of an essential part of the ice making unit of the auger ice maker of the present invention, and FIGS. 3A and 3B are evaporation examples of the auger ice making device of the present invention. Some cutaway cross-sectional views showing.

The ice making unit 1 of the auger ice maker of the present invention according to the drawings consists of an evaporation tube 11, a driving unit 12, and an auger 13.

In the evaporation tube 11 of the ice making unit 1 of the present invention, the auger 13 is rotatably installed at an inner center thereof.

The auger 13 consists of a rotating shaft 132 rotated by the rotation of the drive motor 121, and a screw blade 131 provided in a spiral direction along an outer circumferential surface of the rotating shaft 132.

Therefore, when the rotating shaft 132 is rotated, the ice iced in the ice making space 134 as raw water is moved along the screw blades 131 of the auger 13 to the ice outlet 124 and finally from the ice reservoir 4. Discharged.

A water supply hole 24 is formed below the raw water to be supplied to the ice making space 134 of the auger 13, and a water supply line 23 to be described later is connected.

In particular, the ice maker of the present invention, the drive unit 12 is located above the auger (13).

That is, the drive unit 12 may include the drive motor 121, the drive shaft 122, and the connector 123 in the housing 120, and form an ice outlet 124 in the neck below the housing 120. . Of course, the neck is connected to the lower evaporation tube 11, the pressure head 15 is provided therebetween. The pressure head 15 is composed of an ice cutting unit 151 and a compression passage 152, the ice less iced in the lower ice-making space 134, the bite of the ice passes through the compression passage 152, the water through the compression passage ( 152 is attached, and the ice iced from the lower side is pushed out of the compression passage 152 to push the ice stayed in the discharge port 124 side to be discharged.

Auger 13 of the present invention is surrounded by the inner tube 112 of the evaporation tube 11, but the lower end is possible with a simple cover member (14). The reason for this is that when the driving unit 12 is located below, the leakage preventing means should be taken to a considerable level, but the sealing member 141 and the blocking member 143 of a simple structure in which a center hole is formed so that the water is supplied from above to below. ) And the cover member 14 only of the bearing 142 can be sufficiently blocked. In other words, it is possible to avoid the structural complexity caused by a significant level of leakage prevention structure by worrying about corrosion of the driving part. It is possible to make the blocking structure without any concern.

In particular, together with this, the present invention improves the evaporation tube 11.

That is, as shown in FIG. 3A, an inner tube 112 having a spiral groove 113 on the outer circumferential surface of the cylindrical body and an inner diameter L2 equal to or larger than the outer diameter L1 of the inner tube 112 are formed. The ball 114 and the refrigerant discharge hole 115 is formed of a cylindrical appearance 111 formed on the outer circumferential surface, respectively, can be implemented in a structure in which a refrigerant passage 113 is formed between the exterior 111 and the inner tube 111. As shown in FIG. 3B, the coolant inlet hole 114 and the coolant outlet hole 115 form a spiral groove 113 on the inner circumferential surface of the cylindrical body formed above and below the outer circumferential surface, respectively. A structure in which a refrigerant flow passage 113 is formed between the exterior 111 and the inner tube 112 by being combined with an inner tube 112 formed of a cylindrical tube having an inner diameter L2 equal to or smaller than the inner diameter L1 of the 111. It is possible to implement.

The ice making unit of the present invention made in this way,

4 is an overall schematic view of the auger deicing device of the present invention, Figure 5a is a cross-sectional view of the water level control valve applied to the augered ice-making device of the present invention, Figure 5b is a whole explaining the operation of the auger deicing device of the present invention Operation drawing.

The present invention auger ice maker according to the drawings consists of an ice making unit 1, a water supply unit 2, a refrigeration cycle unit 3, and a storage bin (4).

The ice making unit 1 includes an evaporator tube 11 disposed in the up and down direction, an evaporator 35 which is wound in surface contact with the outer peripheral surface of the evaporator tube 11, and a driving motor in the evaporator tube 11. A screw auger 13 having a spiral blade 241 rotated by 121 and a freezing casing covering the entire evaporation tube 11 to block the evaporator 35 from the outside air. Ice frozen on the inner circumferential surface of the evaporation tube 11 is scraped upward by the spiral blade 131 and cut by a cutter.

The water supply unit 2 is divided into a water supply tank 22 and a water level control device 21. The water level adjusting device 21 includes an opening and closing member 210, an upper body 211, a lower body 212, a diaphragm valve 213, an outlet 218, and an inlet 219.

The upper body 211 forms a circular pillar 214 in the center, the interior of the pillar 214 is hollow but in communication with the bottom space. An adjusting member 215 is screwed into the pillar 214 of the upper body 211, and has an elasticity between the lower end of the adjusting member 215 and the diaphragm valve 213 and supports the elastic member 217. do.

The spiral 215a is formed at the center of the upper surface of the pillar 214 of the upper body 211 to adjust the elasticity of the elastic member 217 is screw-fitting the adjustment hole 215 is fitted.

The diaphragm valve 213 elastically supported by the control opening is again interlocked with the opening and closing member 210. The opening and closing member 210 is opened and closed at the inlet 219 according to the amount and water pressure of the water flowing into the inlet 219.

The adjusting tool 215 forms a control piece 216 coupled to the elastic member 217 at the lower end thereof to stably support the elastic member 217.

The lower body 212 is combined with the upper body 211 to form a predetermined space therein, and forms an inlet 219 and an outlet 218 formed with an orifice 219a under the lower body 212.

As described above, the water supply unit 2 includes a diaphragm valve 213 for dividing the space formed between the upper and lower bodies 211 and 212 in order to adjust the level of the supply water of the ice making unit 1. At the same time forming the opening and closing member 210 is connected to the diaphragm valve 213 at the inlet 219 side, the opening and closing member 210 is interlocked with the lifting and lowering of the lifting shaft to open and close the inlet 219. .

The water level control device 21 is connected to a proper position of the water supply pipe 23, and the water supply pipe 23 detects an ice making state of the ice making unit 1 and the freezing cycle unit 3 which freeze and re-freeze the supplied water. The ice making device comprising an ice making load control circuit (not shown), a water supply regulator 2, and an ice storage 4, which adjusts the freezing capacity of the refrigeration cycle unit according to the change of the ice making capacity, A system in which the opening and closing means is operated only by a "water level" which is equivalently formed by the "water pressure" passed through the apparatus irrespective of, that is, the lifting force of the diaphragm by the water pressure of the water exit passing through the opening member. When the water supply is stopped by the diaphragm and the water level decreases due to the flow rate consumed by ice making, the opening and closing means returns to the lowering of the diaphragm valve.Is room water is introduced through an inlet port is always keep jeongsuwi.

The refrigeration cycle unit 3,

The refrigerant compressed by the compressor 31 is condensed in the condenser 32 through the refrigerant supply line, and the fan motor 34 which drives the cooling fan 33 to cool the generated heat outside the condenser 32. The condensed refrigerant is supplied to the refrigerant passage 36 in the evaporation tube 11 via the expansion valve 35 to take the heat of the raw water in the surface contact evaporation tube (also called evaporation tube) to freeze. It is made of a structure, it is generally the same as the known refrigeration cycle, so a detailed description thereof will be omitted.

6A to 7B are schematic views showing an application example of the auger ice maker of the present invention.

As shown in the drawings, the present invention is a relatively simple and reduced sized ice maker by omitting the leakage preventing structure of the lower drive unit type by positioning the driving unit upward rather than the lower drive unit type of the known auger ice maker. In particular, to implement the evaporation tube (11, evaporator) of the combination of the inner and outer tubes 112, 111, as described above, in the meantime, made of a refrigerant circulation line on the coil or formed a spiral space Spiral groove having a thickness of the evaporation tube 11 that realizes the minimum thickness in consideration of the threshold value of the inverse relationship between the thermal conductivity and the thickness at the surface contact of the refrigerant circulation line (evaporation coil) which is composed of the evaporation tube 11 of By implementing the depth of 113, it is possible to provide an ice making unit suitable for a small auger ice maker at the same time the structure is changed.

As the driving part occupied the lower space of the ice maker 1, which is located upright, the lower part can be used as the upper part is deformed upward, so that the design of the storage bin 4 can fall vertically from the ice outlet. Will be.

1; ice maker, 2; drive unit, 3; refrigeration cycle unit, 4; storage bin,

Claims (4)

In the auger ice-making apparatus which consists of the evaporation tube 11, the drive part 12, and the auger 13,
Auger type ice making apparatus, characterized in that the drive unit 12 for rotationally driving the auger (13) inside the evaporation tube (11) is located above the auger (13). The evaporating tube 11 which is arrange | positioned in the up-down direction and formed the refrigerant | coolant flow path 113 which the refrigerant | coolant which passed through the expansion valve 35 evaporates, and this evaporation tube 11 is provided, and the spiral blade 131 is provided. Ice maker 1 comprising an auger 13 formed, a driving part 12 for driving the auger 13, and a pressurizing head 15 provided at a predetermined position inside an ice outlet 124 of the driving part 12. Wow;
A raw water supply part 2 composed of a water level control member 21, a water supply filter 22, and a raw water inflow pipe 23;
The refrigerant is composed of a compressor 31, a condenser 32, a fan motor 34 for driving a cooling fan 33 of the condenser 32, an expansion valve 35, an evaporation pipe 36 and a refrigerant passage 37. A refrigeration cycle unit 3 through which refrigerant is circulated; And
In the auger ice maker comprising an ice storage 4,
The ice making unit 1,
A cover in which the driving shaft 122 of the driving unit 12 is connected to the upper side of the rotation shaft 132 of the auger 13, the lower end of the auger 13 is supported by a bearing 142, and a water supply passage 143 is formed. Auger ice making apparatus characterized in that the cover portion (14) is sealed as a member (141) and at the same time the raw water is supplied. The method according to claim 1 or 2,
Evaporation tube 11,
It consists of an inner tube 112 having a spiral groove 113 on the outer circumferential surface of the cylindrical body, an inner diameter L2 equal to or smaller than the outer diameter L1 of the inner tube 112, a refrigerant inlet hole 114, and a refrigerant discharge hole. Auger type ice making apparatus, characterized in that the coolant flow passage 113 is formed between the exterior 111 and the inner tube 112 is formed of a cylindrical outer 111 formed on the upper and lower outer peripheral surfaces, respectively. The method according to claim 1 or 2,
Evaporation tube 11,
The coolant inlet hole 114 and the coolant outlet hole 115 form an outer groove 111 that forms a spiral groove 113 on the inner circumferential surface of the cylindrical body formed above and below the outer circumferential surface, and an inner diameter L1 of the outer ring 111 and Auger type ice making apparatus, characterized in that the refrigerant passage 113 is formed between the outer tube 111 and the inner tube 112 is made of a cylindrical tube made of the same or larger outer diameter (L2).

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