KR100691027B1 - various type of ice making device and controll system thereof - Google Patents

Abstract

The present invention provides various types of ice manufacturing apparatuses and control methods for automatically stopping the production of a suitable amount while producing snow-type powder ice or flake-shaped ice according to whether the ice-type ice is formed in the ice making drum. It is about.

The present invention provides a water supply tank in which supply water is filled by a solenoid valve installed in a water supply pipe, a hollow ice making drum disposed to be immersed in the water supply tank at a predetermined depth and rotatably installed by a driving motor, and a refrigerant passing through the ice making drum at one side. A refrigerant circulation path pipe portion installed to generate vaporization of the refrigerant, a seal spindle portion installed while the refrigerant circulation path pipe portion is sealed to the ice making drum, and a cutting knife spaced apart at a predetermined gap from the ice making drum surface; Supplying power to the refrigerating device installed in the refrigerant circulation path pipe section, the detection unit consisting of a supply level sensor for detecting the water level in the water supply tank, the ice-making drum drive motor, and the refrigerating device Of the power switch to make, snow mode, and the ice type switch to select the flake mode, The switch unit consisting of a speed switch for controlling the rotational speed, and the electric signal of the switch unit and the sensing unit to control the drive of the ice making drum, the water supply and supply of water, and the drive of the refrigerating device by preset information In the ice powder manufacturing apparatus comprising a microcomputer installed,

The sensing unit may further include a photo sensor that detects the amount of snow and flakes cut by the cutting knife and applies an electrical signal to the microcomputer.

Accordingly, the present invention improves productivity by homogeneous ice quality by injecting refrigerant at a uniform injection pressure by a plurality of refrigerant injection means in a drum, and automatically manufactures snow-type powder ice or flake-shaped ice by microcomputer control. It has a great effect.

Flake, ice powder, ice making drum, cutting knife

Description

Various types of ice making device and control method {various type of ice making device and controll system

1 is a perspective view showing an ice manufacturing apparatus of various forms according to the present invention.

Figure 2 is a view showing the configuration of the ice production apparatus of various forms according to the present invention.

Figure 3 is a side cross-sectional view of the ice making drum and the seal spindle of the ice manufacturing apparatus of various forms according to the present invention.

4 is a view showing an installation state of the cutting knife according to the present invention.

Figure 5 is a block diagram showing a control method of the ice production apparatus of various forms according to the present invention.

* Description of the symbols for the main parts of the drawings *

2: various types of ice making equipment 4: water supply tank

6: De-icing drum 8: Refrigerant circulation path pipe

10: seal head 12: cutting knife

13: drive motor 14: refrigeration unit

16: detection unit 18: switch unit

20: Mycom 22: water supply pipe

24: Solenoid valve 29: Capillary tube

30: Appearance 32: Refrigerant supply line

34: Interior 36: Refrigerant supply port

38: refrigerant discharge port 40: sealing room

42: rotation time 44: spindle

46: sealing cap 48: fixed date

50: Pressure spring 52: Supply water level sensor

54: photo sensor 56: power switch

58: ice type switch 60: speed switch

64: front switch panel 66: snow lamp

68: Flake lamp 70: Supply water level clamp

72: output full lamp 74: ice-making door

The present invention relates to various types of ice manufacturing apparatus and a control method thereof, and more particularly, to produce snow-type powder ice or flake-shaped ice, depending on whether the ice type is selected from the icing ice formed in the ice making drum, When a certain amount of snow-type powder ice or flake-shaped ice is produced, it is detected by the photo sensor and automatically controlled by the microcomputer according to the signal output from the photo sensor. It is about.

Installing a rotating ice-making drum in a conventional water supply tank to form a water film on the surface of the ice-making drum; Creating a refrigerant evaporation chamber inside the ice making drum; Inserting a circulation pipe for refrigerant circulation into one seal shaft portion of the ice-making drum; Vaporizing the compressed refrigerant in the rotating drum to freeze the water film on the ice-making drum surface; Apparatus for manufacturing an ice powder by contacting a cutting knife with ice on the surface of an ice making drum is disclosed in Korean Utility Model Registration No. 73397 and a device for manufacturing ice cubes in Korean Patent Registration Publication No. 178693.

However, the disclosed ice powder or ice cube manufacturing apparatus obtains a predetermined effect of increasing the cooling efficiency by forming a refrigerant vaporization chamber inside the rotating drum, but the seal spindle portion of one side of the ice making drum supporting the refrigerant circulation path tube It is composed of open end of both ends to assemble seals at both ends of the shaft, making it difficult to manufacture, assemble and repair the passage pipe and seal spindle, and connect the inner end of the passage pipe installed in the ice making drum to the support shaft on the other side of the ice making drum. Therefore, when the ice making drum rotates, the connection assembly of the path pipe and the seal spindle interferes with interference, so that the sealing force between the seal spindle and the path pipe is weakened and the path pipe is easily aged.

Furthermore, in the case of manufacturing ice cubes according to the disclosed technology, the operation time of the ice making drum is configured by the operator to operate by manual switch, which is inconvenient to use, and the refrigerant injection capillaries are brought into the tube of the ice making drum in the vaporization chamber. Uneven cooling temperature distribution has a problem of uneven ice quality on the ice-making drum surface.

As a result, the apparatus for producing flake-shaped ice or powder ice has not been put to practical use at home and abroad.

The present invention has been proposed in order to solve the problems of the known technology, and an object of the present invention is to produce a snow-type powder ice or a flake-shaped ice at the same time, depending on whether or not to select ice type ice formed in the ice making drum, Providing various types of ice manufacturing apparatus and control method to automatically stop the ice manufacturing apparatus according to the signal output from the photo sensor when a certain amount of snow type powder ice or flake-shaped ice is produced There is.

In order to achieve the above object, the ice manufacturing apparatus of various forms of the present invention is provided with a water supply tank filled with a supply water by a solenoid valve installed in a water supply pipe, and a hollow type installed to be locked to a predetermined depth in the water supply tank to be rotated by a driving motor. An ice making drum, a refrigerant circulation path pipe part installed through one side of the ice making drum to evaporate the refrigerant, a seal spindle part installed while the refrigerant circulation path pipe part is sealed to the ice making drum, and the ice making drum surface A detection unit comprising a cutting knife installed at a predetermined gap in the gap, a refrigerating device installed to supply and discharge refrigerant gas to the refrigerant circulation path tube, and a supply level sensor to detect a water level in the water supply tank; De-icing drum drive motor, power switch for applying power to refrigeration unit, snow type An ice type switch for selecting powder ice and flake ice, a switch unit comprising a speed switch for controlling the rotation speed of the ice making drum, and an electrical signal of the switch unit and the sensing unit, In the ice production apparatus comprising a microcomputer for controlling the water supply and the water stage and the drive of the refrigeration device,
Snow lamp, flake lamp, supply water level lamp, and output full lamp are installed on the front switch panel of the case so as to check the operation of the switch unit, and the snow type powder ice cut by the cutting knife in the sensing unit. And it is characterized by further installing a photosensor for sensing the production of flake-shaped ice and applying an electrical signal to the microcomputer.

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In addition, the ice manufacturing apparatus of various forms of the present invention is the refrigerant circulation path pipe is formed in a predetermined length and diameter while passing through the ice making drum at one side and the appearance of the opening through the interval at a certain interval, with a gap inside the appearance An inner tube having a coolant supply pipe inserted therein, a coolant supply port formed to supply coolant gas from one side of the outer tube, and a coolant discharge port formed to discharge vaporized coolant gas to one side of the inner tube.

In addition, the ice manufacturing apparatus of various forms of the present invention, the seal spindle is a rotating seal attached to the inner end of the cup-type spindle, a sealing cap attached to the inner end and the sealing cap of the spindle inlet, and in close contact with the rotating seals It is characterized in that it comprises a fixed seal which is slipped and connected to the refrigerant circulation path pipe, and a pressure spring for closely fixing the fixed seal to the rotating seal.

In addition, the control method of the ice manufacturing apparatus of the present invention turns on the power supply to various types of ice manufacturing apparatus to turn on the water supply clamp and determine the presence or absence of the supply water to determine the presence of the supply water in the water supply tank by the supply water level sensor And a supply water filling step of filling the supply water by variably opening and closing the solenoid valve of the water supply pipe by an electric signal after checking whether the supply water is filled in the water supply tank in the step of determining whether the supply water exists. The switch operation detection step of detecting the operation of the ice-type switch to select the snow mode and the flake mode after judging the filling of the feed water in the water supply tank in the step, and the snow lamp of the snow lamp during one push operation of the ice type switch in the switch operation detection step Snow mode control step of controlling the snow mode at the same time, and the snow mode control step If the speed switch operation is not detected after selecting the snow mode, rotate the drive motor with 3 RPM, which is the first step out of 5 steps, and if the operation is detected, increase the rotation speed by one step to control the rotation and freeze the ice by operating the freezing device. Snow type powder ice production step of producing snow-type powder ice by cutting with a cutting knife from the ice-making drum, and after the snow-type powder ice production step, ice frozen by the operation of the driving motor and the freezing device from the ice-making drum to the cutting knife When the amount of cut snow is accumulated in the ice-making room with a photo sensor, and if a certain amount of snow-type powder ice is detected by the photo sensor, the driving motor and the freezing device are stopped at the same time as the production full lamp is turned on, and the snow in the ice-making room is again Powder ice of the type indicates to the photosensor When the detection is detected, the first control step of repeating the control to operate the drive motor and the refrigerating device, and during the second push operation of the ice-type switch after the first control step, the ice lamp is turned on and the ice making drum is stopped for 1 minute. The flake shape ice production step of producing flake-shaped ice by controlling the flake mode to repeatedly drive the drive motor by rotating for 3 seconds after the rotation, and the production pool when the production pool of flake-shaped ice is detected by the photosensor during the flake-shaped ice production At the same time as the lamp is turned on, the driving motor and the refrigerating device are stopped by the signal output from the photosensor, and when the photo sensor detects that the amount of the load in the ice making chamber is lowered by a certain amount, the control unit and the drive motor Consisting of a second control step of repeatedly controlling the refrigerating device to be operated again It is characterized by.

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When the operation of the speed switch is sensed, each time the operation is pressed once, 3RPM in step 1, 5RPM in step 2, 6RPM in step 3, 9RPM in step 4, and 12RPM in step 5 to control the rotation of the drive motor. It is characterized by.

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

1 is a perspective view showing a variety of forms of ice manufacturing apparatus according to the present invention, Figure 2 is a view showing the configuration of various forms of ice manufacturing apparatus according to the present invention, Figure 3 of the various forms according to the present invention Side cross-sectional view of an ice making drum and a seal spindle of an ice making machine.

4 is a view showing an installation state of a cutting knife according to the present invention, Figure 5 is a flow chart illustrating a control method of the ice manufacturing apparatus of various forms according to the present invention.

The various types of ice manufacturing apparatus 2 includes a known water supply tank 4, an ice making drum 6, a refrigerant circulation path tube part 8, a seal spindle part 10, a cutting knife 12, a driving motor 13 ), The refrigerating device 14, the sensing unit 16, the switch unit 18, and the microcomputer 20.

The water supply tank 4 is formed to a predetermined size and depth so that the supply water is filled by the solenoid valve 24 installed in the water supply pipe (22).

And the supply water is supplied by opening of the solenoid valve 22, and is supplied to the water supply tank 4 so that the ice-making drum 6 may be locked.

The ice making drum (6) is a hollow drum disposed to be locked to a predetermined depth in the water supply tank (4) and rotatably installed by the driving motor (13), and the refrigerant circulation path pipe part (8) is the seal spindle (10). It is installed by.

The ice making drum 6 can be manufactured in various sizes according to the design, and is not limited to the size. The ice making drum 6 is made of stainless steel to enable hygiene management as well as the A / S side.

The ice making drum 6 is connected to the drive motor 13 and the chain 26 to rotate by the power output according to the drive of the drive motor 13, the drive motor 13 is a microcomputer 20 The rotation is controlled by the information set in advance.

The refrigerant circulation path tube part 8 is installed to pass through the ice making drum 6 from one side so as to generate vaporization of the refrigerant. That is, the refrigerant circulation path pipe section 8 is easily installed to supply and discharge the refrigerant gas supplied to the ice making drum 6.

The refrigerant circulation path tube part 8 is formed in a predetermined length and diameter while penetrating the ice making drum 6 from one side, and through the discharge hole 28 at predetermined intervals, winding the capillary tube 29 assembled therein to cool the refrigerant. The inner tube 34 is inserted to form an outer casing 30 which causes gas to be injected, and a coolant supply channel 32 formed in a gap in the outer casing 30.

And a refrigerant supply port 36 for supplying refrigerant gas to one side of the exterior 30, and a refrigerant discharge port 38 formed to discharge vaporized refrigerant gas to one side of the inner tube 34. Is done.

The seal spindle portion 10 is provided while sealing the refrigerant circulation path tube portion 8 to the ice making drum 6 to form a sealing room (40).

The seal spindle portion 10 is attached to the rotary seal 42 attached to the inner end of the cup-type spindle, the sealing cap 46 of the inlet of the main shaft 44 and the rotary seal 42 symmetrical to the inner end, The fixed seal 48 and the fixed seal 48 which are symmetrically positioned to be held in close contact with the rotary seals 42 and are connected to and supported by the refrigerant circulation path tube part 8, which closely adhere the fixed seal 48 to the rotary seal 42. The pressure spring 50 is symmetrically installed.

The seal shaft portion 10 is the main shaft 44, the sealing cap 46 is screwed into the refrigerant circulation path pipe portion 8 is inserted through the sealing room 40 and then touched by two sets of pressure springs (50) The fixed seal 48, which is disposed on both sides by the pressure spring 50 and is pressed down, is supported by the rotary seal 42 on one side thereof.

Accordingly, the fixing seal 48 is disposed in the main shaft 44 so that the rotation is made in the airtight state, and the sealing cap 40 is hermetically formed by screwing the sealing cap 46 at one side to optimize the sealing force. I can manage it in a state.

The cutting knives 12 are spaced apart from each other with a predetermined gap on the ice making drum 6 surface, and can be installed by adjusting between the cutting knife 12 and the ice making drum 6 surface as necessary.

The refrigerating device 14 is installed to supply and discharge the refrigerant gas to the refrigerant circulation path tube unit 8 in a conventional technique.

The detection unit 16 is provided with a supply water level sensor 52 for detecting the water level in the water supply tank 4, and the photosensitive sensor 54 is installed in the detection unit 16 to the cutting knife ( When the production amount of the snow-type powder ice or flake-shaped ice cut by 12) is detected by the photosensor 54 and output to the microcomputer 20, the microcomputer 20 is compared with the preset information in the microcomputer 20. ) Is controlling.

In other words, the photo sensor 54 detects when the light output from the light emitting unit cannot receive the light output from the light emitting unit when the amount of snow-type powder ice or flake-shaped ice produced reaches a predetermined amount. The signal is detected and output to the microcomputer 20, whereby the microcomputer 20 cuts off the power supplied to the driving motor 13 and the refrigerating device 14. By controlling the operation, the production of snow-type powder ice or flake-shaped ice is stopped, and when the snow-type powder ice or flake-shaped ice falls below a predetermined level, light emitted from the light emitting unit of the photosensor 54 is received. In response to the signal received by the photosensor 54 to output to the microcomputer 20 to supply power to the drive motor 13 and the refrigeration unit 14 under the control of the microcomputer 20. So The drive motor 13 and the refrigerating device 14 are operated to produce snow-type powder ice or flake-shaped ice again.

The switch unit 18 includes an ice making drum 6, a driving motor 13, a power switch 56 for applying power to the refrigerating device 14, and snow powder powder or flake ice. And an ice type switch 58 and a speed switch 60 for controlling the rotational speed of the ice making drum.

When the ice type switch 58 is pressed once, the micom 20 recognizes the snow mode and presses the flake mode twice.

And in order to check whether there is a malfunction by the operation of the switch unit 18 or whether there is a certain operation or not located in the switch panel 64 in the front of the case 62, snow lamp 66, flake lamp 68, supply water level A shock lamp 70 and a production full lamp 72 are provided.

The front surface of the case 62 is provided with an ice-making chamber door 74 made of a transparent material, so that snow or flakes can be visually checked.

In addition, the microcomputer 20 drives the ice making drum 6 and the water supply, the water supply, and the refrigeration unit 14 by the electrical signals of the switch unit 18 and the sensing unit 16. 54) and the signal detected by the supply water level sensor 52 are received by the microcomputer 20, and it is installed so that it may be controlled by the information preset in the microcomputer 20. FIG.

Referring to the operation of the present invention configured as described above, the user turns on the power switch 56 to supply power to the ice maker 2 of various forms, the ice maker 2 of the various forms is As the power is supplied, the microcomputer 20 first determines whether the water is present through the supply water level sensor 52 in the water supply tank 4, that is, the water level is determined (S10).

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If there is no water supply in the water supply tank 4 in the step of determining whether the water is present, the solenoid valve 24 of the water supply pipe 22 is controlled to be opened (S20) by the control of the microcomputer 20 to supply the water into the water supply tank 4. Feed water is supplied until a certain level is reached (feed water filling step).

According to the opening of the solenoid valve 24, when the supply water is supplied to the water supply tank 4 and reaches a predetermined level, the supply level sensor 52 detects the level and outputs a water level detection signal to the microcomputer 20. Under the control of 20, the solenoid valve 24 is turned off to block the water supply pipe 22 (S20) to block the supply of the supply water.

As described above, the microcomputer 20 variably controls the solenoid valve 24 when producing the snow-type powder ice or the flake-shaped ice through the solenoid valve 24 to always supply a predetermined amount of water to the water supply tank 4. Allow to be filled (supply level).

Accordingly, in the state in which the water supply tank 4 has the water supply, the microcomputer 20 operates the drive motor 13 to rotate the ice making drum 6 in a ready state, and the user checks the supply water level check lamp 70. Then press the ice type switch 58 (S30; switch operation detection step).

After the switch manipulation detection step, after the user rotates the ice-making drum 6, the user presses the ice type switch 58 once and the microcomputer 20 recognizes that the snow type powder ice is produced (S40). By the control, the driving motor 13 is rotated to 3 RPM, which is one step out of five steps (S40; snow mode control step).

Looking at the number of revolutions according to the above five stages, the first stage is set to 3RPM, the second stage is 5RPM, the third stage is 6RPM, the fourth stage is 9RPM, the fifth stage is 12RPM.

On the other hand, when the user wants to produce a large amount of snow-type powder ice within a short time, if the user presses the speed switch 60 five times, it rotates to 12 RPM, which is five steps, the speed switch 60 according to the situation at that time Press to adjust the speed to increase or decrease the production (S50; RPM increase / freezing operation step).

That is, when the ice-making switch 6 is rotated by pressing the ice type switch 58, the snow lamp 66 of the front panel 64 of the case 62 is turned on, and the user checks the snow lamp 66. By doing so, it can be recognized that it is operating normally.

Then, the microcomputer 20 supplies the refrigerant gas generated by operating the refrigerating device 14 based on the preset information (S50) through the refrigerant supply port 36 of the refrigerant circulation path tube unit 8, and the refrigerant gas is the refrigerant. After flowing through the supply line 32 and discharged to the discharge port 28, it flows through the capillary tube 29 wound several times and is evaporated to exchange heat with the supply water in the ice making drum 6.

Accordingly, the ice making drum 6 is rotated in a state in which the water is frozen in the water supply tank 4 and the ice layer is formed on the outer circumferential surface, and the cutting knife 12 cuts the surface of the ice that passes through very thinly. Snow type powder ice is produced (S60) (snow type powder ice production step).

When the snow-type powder ice is produced by the rotation of the ice-making drum 6 and accumulated in the ice-making chamber 76, the photo sensor 54 detects this and outputs an electrical signal to the microcomputer 20, and the microcomputer 20. By cutting the power applied to the drive motor 13 and the freezing device 14 by the control signal output from the) to stop the drive motor 13 and the freezing device 14 (S70).

At this time, the power is applied to the driving motor 13 and the freezing device 14 by the control signal output from the microcomputer 20 that detects the limited production amount of the snow type powder ice by the photosensor 54. As the driving motor 13 and the refrigerating device 14 are stopped and the output full lamp 72 of the front panel of the case 62 is turned on, the user pauses (S70) when the snow is filled in the ice making room 76. Inform (first control step).

Then, the amount of snow-type powder ice in the ice-making chamber 76 is reduced again by outputting a detection signal output from the photosensor 54 to the microcomputer 20 by a control signal output from the microcomputer 20 by a driving motor. (13) and the refrigeration unit (14) by applying power to operate the drive motor (13) and the refrigerating unit (14) to produce snow-type powder ice again, the production drive and stop of the production of such snow-type powder ice Will repeat.

On the other hand, if the ice type switch 58 is pressed twice again, the microcomputer 20 determines the flake mode and stops the ice making drum 6 for 1 minute and repeats the control for 3 seconds (S80). step).

Simultaneously with the flake production control driving of the ice making drum 6, the flake lamp 68 of the case front panel 64 is turned on to inform the user that flake-shaped ice production control is normally performed (S80). .

The ice in the thick state on the ice making drum (6) is broken by the cutting knife 12 during the rotation for 3 seconds while coming off the ice making drum (6) to produce a flake-shaped ice to the consumer (S80) (The flake ice production stage).

In the flake-shaped ice production control drive of the ice making drum 6, the control by the speed switch 60 is blocked by the microcomputer 20 so as not to be performed.

The production of the flake-shaped ice is also detected by the photosensor 54 and outputs a signal to the microcomputer 20, when the production reaches a certain amount under the control of the microcomputer 20, the microcomputer 20 The control signal outputted from the drive motor 13 and the refrigeration unit 14 to cut off the power supply to the drive motor 13 and the refrigeration unit 14 to stop the ice in accordance with the consumption of the produced flake-shaped ice The microcomputer 20 repeats the control (S90) to drive again when the reduction is performed (second control step).

As described above, a capillary tube 29 is wound around the refrigerant circulation path tube part 8 in the ice making drum 6 of the ice manufacturing apparatus 2 of various forms, and the refrigerant gas is formed on the inner circumferential surface of the ice making drum 6 and the refrigerant circulation path tube part. A certain space is provided between (8) to increase the evaporation rate of the refrigerant to diffuse, and to uniformize the cooling temperature distribution, so that the ice quality is uniformly formed to produce high quality snow-type powder ice or flake-shaped ice.

The various types of ice manufacturing apparatus and the control method of the present invention is a snow type powder ice, the deformation or modification within the scope of the spirit of the control of the rotation drum and the production control means in the production of flake-shaped ice is within the scope of the present invention Belonging to and thus violating the rights of the present invention.

 The snow-type powder ice produced by the present invention as described above is produced softly by cutting the oxygen as bubbles are generated between the powder during cutting, there is no effect of stomach or head pain due to cold even if the consumer ingests .

In addition, it is easy to manufacture, assemble and repair in the installation of the refrigerant circulation path pipe using the seal spindle part in the ice making drum, and seal the refrigerant by blocking the interference on the sealing force by applying the seal spindle part to prevent the refrigerant leakage from the ice making drum. There is an effect of improving the sealing force of the seal.

When the ice type switch is pressed once in the various types of ice manufacturing apparatus, the microcomputer recognizes the production of snow type powder ice and rotates the driving motor. At this time, the rotation speed is based on the number of times of pressing the speed switch. Since any stage is selected and rotates according to the stage, the production volume can be arbitrarily controlled.The ice-making drum can be stopped for 1 minute, rotated for 3 seconds, and then cut with a cutting knife. It is to be produced, and it is a useful invention in the ice-making and food materials industry because it has the effect of enabling the automatic production control of the flake-shaped ice by enabling the stop and restart of the operation according to the production amount.

Claims (4)

A water supply tank in which supply water is filled by a solenoid valve installed in the water supply pipe, a hollow ice-making drum disposed to be locked to the water supply tank to a predetermined depth and rotated by a driving motor, and the ice-making drum penetrates from one side to evaporate refrigerant. A coolant circulation path pipe portion provided to be generated, a seal spindle portion formed while the refrigerant circulation path pipe portion is sealed to the ice making drum, and a cutting knife spaced apart by a predetermined gap on the ice making drum surface, and the refrigerant circulation path pipe portion. A detection unit comprising a refrigeration unit installed to supply and discharge refrigerant gas in the air, a supply level sensor for detecting a water level in the water supply tank, the ice-making drum drive motor, and a power switch for supplying power to the refrigerating device; Product selection switch to select snow ice powder powder and flake shaped ice; A switch unit comprising a speed switch for controlling the rotation speed of the ice drum, and a microcomputer for controlling the driving of the ice making drum, the water supply and supply of water, and the operation of the refrigeration unit by electrical signals of the switch unit and the sensing unit. In the ice powder manufacturing apparatus, In order to confirm the operation of the switch unit, a snow lamp, a flake lamp, a supply water level lamp and a production full lamp are respectively installed on the front switch panel of the case, and the detection unit includes snow type powder ice cut by a cutting knife and Apparatus for manufacturing various types of ice, characterized in that a photo sensor is further installed on one side of the ice making room to detect the production of flake-shaped ice and apply an electrical signal to the microcomputer to control the microcomputer. Supplying water to the ice-making apparatus of various types to turn on the supply water lamp and determine whether the water is present in the water tank by the water level sensor (S10), A supply water filling step (S20) of filling the supply water by variably opening and closing the solenoid valve of the water supply pipe by an electric signal after checking whether the supply water is filled in the water supply tank in the step of determining whether the supply water is present; Switch operation detection step (S30) for detecting the operation of the ice-type switch to select the snow mode and the flake mode after determining the filling of the supply water in the water supply tank filling step; The snow mode control step (S40) to control the snow mode at the same time the lighting of the snow lamp at the time of one push operation of the ice type switch in the switch operation detection step, If the speed switch operation is not detected after the snow mode is selected in the snow mode control step, the drive motor is rotated at 3 RPM, which is the first step out of five steps, and if the operation is detected, the rotation speed is increased by one step to control the rotation and the refrigerating device. Snow type powder ice production step (S50, S60) to produce the snow-type powder ice by cutting the frozen ice in the ice-making drum with the cutting knife After the snow-type powder ice production step, the ice that is frozen by the operation of the driving motor and the refrigerating device is sensed by the photosensor and accumulates in the ice-making chamber of the snow amount cut by the cutting knife from the ice-making drum with the photosensor. If a certain amount of ice is detected, the output motor is turned on and the drive motor and the freezer are stopped. When the snow sensor in the ice-making room detects that the decrease in the amount of powder ice falls below a certain amount, the microcomputer receives the signal. A first control step (S70) for repeatedly controlling the drive motor and the refrigerating device to be operated again by the control of the; After pressing the ice control switch twice after the first control step, the flake lamp is turned on and at the same time, the ice making drum is stopped for 1 minute and then rotated for 3 seconds to control the flake mode by repeatedly driving the driving motor to produce flake-shaped ice. Flake-shaped ice production step (S80), When flake ice is produced in the flake-shaped ice production stage, when the full output is detected by the photosensor, the output of the full lamp is turned on and the output from the photosensor is supplied to the driving motor and the refrigeration apparatus under the control of the received microcomputer. Shut off the drive motor and the refrigerating device, and if it is detected by the photosensor that the reduction of the flake-shaped ice load in the ice making chamber is less than a certain amount, the power is supplied to the drive motor and the refrigerating device under the control of the microcomputer. Control method of a variety of ice manufacturing apparatus comprising a second control step (S90) to repeatedly control the drive motor and the refrigerating device to operate again. According to claim 2, When the operation of the speed switch is sensed for each push operation 1 step 3RPM, 2RPM 5RPM, 3RPG 6RPM, 4RPM 9RPM, 5RPG step by step 12RPM Control method of various ice making apparatus, characterized in that for controlling the rotation of the motor. The method of claim 2, wherein the rotation speed control of the ice making drum is variable, so that at least one of snow-type ice powder and flake-shaped ice can be selected and produced.

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