WO2018021755A1 - 제빙기 및 이를 포함하는 냉장고 - Google Patents
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- Publication number
- WO2018021755A1 WO2018021755A1 PCT/KR2017/007776 KR2017007776W WO2018021755A1 WO 2018021755 A1 WO2018021755 A1 WO 2018021755A1 KR 2017007776 W KR2017007776 W KR 2017007776W WO 2018021755 A1 WO2018021755 A1 WO 2018021755A1
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- WIPO (PCT)
- Prior art keywords
- gear
- rotation
- ice
- unit
- motor
- Prior art date
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- 238000000034 method Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 230000008014 freezing Effects 0.000 description 8
- 238000007710 freezing Methods 0.000 description 8
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- 230000005540 biological transmission Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000011109 contamination Methods 0.000 description 4
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- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000005192 partition Methods 0.000 description 1
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
- F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
Definitions
- the present invention relates to an ice maker and a refrigerator including the same.
- a refrigerator in general, includes a main body having a refrigerating compartment for storing food and a freezing compartment for freezing food, and a rear side of the main body is provided with a compressor for compressing a refrigerant and a heat exchanger for generating cold air.
- the cold air generated by the heat exchanger is supplied to the inside of the refrigerating compartment or the freezing compartment by the fan, and the air whose temperature has risen by circulating the refrigerating compartment or the freezing compartment is supplied to the refrigerating compartment or the freezing compartment through the heat exchanger to always keep fresh food stored in the refrigerating compartment or the freezing compartment. It can be kept in a state.
- an ice maker for manufacturing ice is installed in the freezing compartment or the refrigerating compartment.
- the ice maker provided in the refrigerator automatically supplies water to the ice making container and checks the ice making state, and when the ice making is completed, the ice making machine is automatically removed from the ice making container to be loaded into the ice storage container, and the user for the ice making operation. It is widely used recently because ice can be obtained without a separate operation.
- Such ice makers are of a type including an ejector and a heater to twist ice, and a type of twisting a tray.
- the energy efficiency is higher than the type including the ejector and the heater since the ice maker of the tray twist type does not use a heater.
- the motor uses a direct current (DC) motor.
- DC direct current
- a brush motor has been used as a direct current motor for a long time.
- the first embodiment of the present invention is to provide an ice maker that can efficiently apply the power of the motor to the ice by dividing the rotation section of the ice tray is rotated by the motor into a high-low torque and low-speed torque section It is done.
- the first embodiment of the present invention is to distinguish the rotation section of the ice tray that is rotated by the motor, to form a coupling section of the gear by a predetermined section to combine the two gears can efficiently provide power of the motor to the ice It is an object to provide an ice maker.
- the first embodiment of the present invention divides the rotation section of the ice making tray rotated by the motor into a high speed-low torque and low speed-high torque section to provide a refrigerator including an ice maker which can efficiently apply the power of the motor to the ice. It aims to provide.
- the first embodiment of the present invention is to distinguish the rotation section of the ice tray that is rotated by the motor, to form a coupling section of the gear by a predetermined section to combine the two gears can efficiently provide power of the motor to the ice
- An object of the present invention is to provide a refrigerator including an ice maker.
- embodiments of the present invention is to provide an ice maker free from contamination by dust generated from a motor.
- embodiments of the present invention to provide an ice maker with a semi-permanent life of the motor.
- embodiments of the present invention to provide an ice maker with less heat generated from the motor.
- embodiments of the present invention to provide an ice maker with a low noise and vibration.
- embodiments of the present invention is to provide an ice maker free of control of the motor.
- An ice maker controlled by a signal received from a refrigerator control unit provided in the refrigerator wherein the ice maker comprises: a motor unit generating a rotational power corresponding to the signal;
- a drive unit including a gear group rotated by the motor unit; And an ice making tray which is twisted by the operation of the gear group, and in which ice making water is accommodated in an accommodating part and iced, wherein the ice making tray includes the rotational power or the gear unit in which the motor part corresponds to the signal.
- An ice maker is provided in which the speed is changed one or more times in the rotating section in which the ice making tray is twisted by the rotational speed difference formed at the time of interlock between the gears.
- the gear group may include one or more gears having a gear ratio in which the rotational power of the motor unit is transmitted and the rotational speed of the motor unit can be shifted; And an output unit interlocked with the one or more gears and transmitting a rotation shifted out of the control box.
- the output unit may receive the rotational power of the motor unit through the one or more gears, and may include a first output unit and a second output unit formed of different modules to be rotated through two transmission ratios during rotation.
- the first output unit and the second output unit has a rotation center coaxially positioned, the interlocking rotation sections of each of the first output unit and the second output unit are formed in different predetermined sections, and the first The output unit and the second output unit may be formed of different pitch sources, and the interlocking of the first output unit and the interlocking of the second output unit may be sequentially performed.
- the motor unit may be arranged such that the motor shaft extends in a direction opposite to the connection shaft of the output unit, and the motor shaft may include one or more arrangement forms of the body and the eccentric arrangement of the motor unit.
- an output unit may rotate the ice making tray at a higher speed than a section in which the gear to be interlocked with the first output unit is interlocked and rotated in conjunction with the second output unit.
- the ice tray may be rotated with a higher torque than the section rotated in conjunction with the first output unit.
- the ice tray may be rotated when one side is rotated by the linkage of the first output unit and the second output unit, and the other side may be rotated only when the linkage is rotated by the linkage of the first output unit.
- a flow section for free rotation before and after the linkage in the predetermined different rotation section may be formed.
- the gear teeth located at the beginning of the point of time when switching from the linkage of the first output unit to the linkage of the second output unit may be formed lower than the other gear teeth.
- the gear group may include: a first gear part that is rotated by a rotational force according to the signal by a predetermined length of a connection part provided on one side of the ice making tray and is formed in a rotation direction of the connection part; And a second gear part provided on a motor shaft of the motor part and formed at a position corresponding to the first gear part and interlocked with and interlocked with the first gear part. And a gear, wherein each gear is formed on a different radius from the center of rotation of the connecting portion rotated by the rotational power, and the rotation periods are separated from each other, and the second gear part is the first gear part. And a plurality of gears corresponding to each of the plurality of gears of the first gear part so as to correspond to the plurality of gears.
- a second positioned between the first gear portion and the second gear portion to transfer the rotational power to the first gear portion, the first middle gear meshing with the first gear portion and the second gear portion meshing with the second gear portion.
- a third gear part including a middle gear, wherein the third gear part includes the first middle gear and the second gear so as to compensate different rotation directions between the first gear part and the second gear part.
- Middle gear is disposed, the center of rotation of the first middle gear and the second middle gear may be located coaxially.
- the plurality of gears formed in the connecting portion is a first engagement gear and a second engagement gear, respectively, the length of the section in which the first engagement gear and the second engagement gear is formed is different from each other, the second meshing gear is later
- the first engagement gear may be formed shorter than the second engagement gear that first engages.
- the plurality of gears formed in the connecting portion are first and second meshing gears, and the first meshing gear formed at a larger radial distance than the second meshing gear on the connecting portion meshes later with the motor shaft, Due to the difference in distance, a section in which the rotation of the connection portion is changed from high speed to low speed may be formed.
- the different rotational speed of the connecting portion may be determined according to one or more of the rotational speed of the motor shaft and the speed ratio of the middle gear.
- the rotation of the motor unit may be pulse-controlled so that the rotation torque of the ice tray is increased.
- the driving unit may include a drive for converting the electrical signal received from the signal receiver into rotation information; And a motor unit receiving the rotation information from the drive and rotating to correspond to the rotation information.
- the refrigerator may be transmitted and received through a plurality of communication lines, and when the signal is received, the signal may be received from a cross output part that selectively crosses or non-crosses the signal within the plurality of wires. .
- the signal may be a pulse signal or a digital signal, and the rotation information may be determined through direction information included in the signal transmitted by the cross output unit.
- the controller may control the driver by receiving a control waveform.
- a refrigerator control unit located in the refrigerator; A signal transmitter included in the refrigerator control unit and transmitting a signal; Included in the refrigerator control unit, and transmits the electrical signal received from the signal transmission unit through a plurality of wires, and selectively or alternately transmits the electrical signal in the plurality of wires by the refrigerator control unit Cross output; And an ice maker, wherein the ice maker comprises: a signal receiver configured to receive the signal transmitted from the cross output unit; A drive unit including a drive for converting the signal received from the signal receiver into rotation information, and a motor unit receiving the rotation information from the drive and rotating to correspond to the rotation information; An ice making tray connected to the motor unit and rotated according to the rotation of the motor unit, the ice making tray being disposed at a subzero temperature inside the refrigerator to accommodate ice making water; And the motor unit is a stepping motor, wherein the rotation information is information including one or more of a rotation speed, a rotation direction, a rotation angle, and a torque.
- a refrigerator comprising the ice maker as described above.
- the first embodiment of the present invention can provide an ice maker that can efficiently apply the power of the motor to the ice by dividing the rotation section of the ice making tray rotated by the motor into a high speed-low torque and a low speed-high torque section. .
- the first embodiment of the present invention is to distinguish the rotation section of the ice tray that is rotated by the motor, to form a coupling section of the gear by a predetermined section to combine the two gears can efficiently provide power of the motor to the ice Ice makers can be provided.
- the first embodiment of the present invention divides the rotation section of the ice making tray rotated by the motor into a high speed-low torque and low speed-high torque section to provide a refrigerator including an ice maker which can efficiently apply the power of the motor to the ice. Can provide.
- the first embodiment of the present invention is to distinguish the rotation section of the ice tray that is rotated by the motor, to form a coupling section of the gear by a predetermined section to combine the two gears can efficiently provide power of the motor to the ice
- a refrigerator including an ice maker may be provided.
- embodiments of the present invention can provide an ice maker free from contamination by dust generated from a motor.
- embodiments of the present invention can provide an ice maker in which the life of the motor is semi-permanent.
- embodiments of the present invention can provide an ice maker with less heat generated in the motor.
- embodiments of the present invention can provide an ice maker with less noise and vibration.
- embodiments of the present invention can provide an ice maker free of motor control.
- FIG. 1 is a cross-sectional view of an ice maker according to an embodiment of the present invention.
- Figure 2 is a perspective view of the ice tray showing a twist of the ice tray in accordance with an embodiment of the present invention
- Figure 3 is a perspective view showing the arrangement of the gear group according to an embodiment of the present invention
- Figure 4 is a side view showing the arrangement of the gear group according to an embodiment of the present invention
- FIG. 6 is an exploded perspective view showing the structure of a second gear according to an embodiment of the present invention.
- Figure 7 is a side view and a plan view showing that the connection of the ice tray is rotated by the motor unit according to an embodiment of the present invention
- Figure 8 is a side view and a plan view showing that the connection of the ice tray is rotated by the motor unit according to another embodiment of the present invention
- Figure 9 is a side view and a plan view showing that the connection of the ice tray is rotated by the motor unit according to another embodiment of the present invention
- FIG. 10 is a view showing a range in which the ice tray is rotated according to an embodiment of the present invention
- the embodiments described below may include one or more of a control unit, a signal transmitter, a cross output unit, a signal receiver, a driver, and the like. Since the above configuration may serve as an aid in implementing the technical idea of the present invention, although not shown, the above description will be briefly described first and the present invention will be described in detail later.
- control unit, the signal transmitter and the cross output unit may be located at the refrigerator side, and the ice maker 10 may include a signal receiver, a driver, and the like. Since the control unit transmits a signal, that is, the signal transmitter and the cross output unit are located in the refrigerator, the controller may be the ice maker that receives the signal from the refrigerator.
- control unit may be located at the refrigerator side, and the ice maker side may include components such as a signal receiver and a driver. Since the control unit transmits a signal, that is, the signal transmitter and the cross output unit are located in the refrigerator, the controller may be the ice maker that receives the signal from the refrigerator.
- FIG. 1 is a cross-sectional view of an ice maker 10 according to an embodiment of the present invention.
- the ice maker 10 may be disposed in a space having a freezing temperature of the refrigerator.
- the ice maker 10 may include a driving unit 20 and an ice tray 100.
- the ice making tray 100 may include an accommodation part 101 for receiving ice making therein.
- a plurality of partitions are formed inside the ice tray 100 so that the accommodation part 101 may be divided into a plurality of spaces.
- a temperature sensor unit (not shown) for measuring the temperature of the ice making water may be formed in the ice making tray 100.
- a capacitive sensor (not shown) may be provided to detect the quantity of ice making water accommodated in the receiving portion 101.
- the ice tray 100 may be formed of a resin material, and may be twisted by the rotation of the gear group 30 (31, 32) and then returned to its original shape.
- Gear groups 30 (31, 32) may be provided on one side of the ice making tray (100).
- the gear groups 30, 31, and 32 may twist the ice tray 100 to ice the ice in the ice tray 100.
- the gear group 30 (31, 32) may include a configuration for rotating the ice tray 100.
- the gear group 30; 31 and 32 may include one or more gears and an output unit 130 connected to the ice tray 100.
- the one or more gears for shifting the rotational force transmitted from the motor unit 40 may be rotated by a predetermined section in engagement with the output unit 130.
- the motor unit 40 may be a geared stepping motor.
- the geared stepping motor can be rotated by a constant angle every time a pulse signal is applied, and the rotation angle of the motor is proportional to the number of input pulse signals. Therefore, by controlling the input pulse, it is possible to precisely control the rotational angle of the motor and at the same time to shift.
- the life of the brush formed of carbon is limited, and the surroundings of the motor are contaminated by carbon dust generated from the carbon brush.
- the noise and vibration generated in the brush motor is large, the current consumed when the brush motor is driven may be high.
- the temperature generated by the brush motor is greatly increased, energy consumption may be large.
- the stepping motor has a low current consumed by driving and a low noise and vibration during operation.
- the heat generated during the operation of the stepping motor is low, the energy efficiency is high.
- since there is no carbon brush there is no contamination caused by the carbon powder and no abrasion, and thus the life may be semipermanent.
- the ice maker 10 may include a position sensor (not shown) for detecting a rotational position of the ice tray 100 by the motor unit 40.
- the rotation position may be a position at each end of the ice making tray 100.
- Gear group 30 (31, 32) can reduce the rotational speed of the rotation generated in the motor portion 40 and increase the torque (torque). Conversely, it may increase the rotation speed and lower the torque.
- the gear group 30 (31, 32) is also connected to the ice detection lever (not shown), not only to twist the ice tray 100, but also generated in the ice maker 10 to the ice storage unit (not shown) The operation of measuring the amount of ice stored may also be performed.
- the driving unit 20 may accommodate the motor unit 40 and the gear group 30 (31, 32) therein, and a through hole (not shown) so that the output gear 130 may be connected to the ice making tray 100. Can be formed.
- at least one of the light-emitting unit for detecting the ice and the light-receiving unit may be positioned at one side of the driving unit 20 in order to detect the ice stored in the ice storage container located under the driving unit 20. That is, the light emitting unit and / or the light receiving unit located at one side of the driving unit 20 may detect whether ice is full depending on the degree of reflection of light reflected on the ice.
- the ice making tray 100 may be twisted by the rotational force generated by the driving unit 20.
- one side of the ice tray 100 may be stopped while being rotated by a predetermined rotation distance, and the other side of the ice tray 100 may rotate more than the predetermined rotation distance.
- the ice making tray 100 may be twisted.
- a motor controller (not shown) for controlling the motor unit 40 may be located in the ice maker 10 or in the refrigerator. When the motor controller is located in the ice maker 10, the motor controller may be located on a printed circuit board (not shown) disposed on one side of the motor unit 40. Since the motor unit 40 is a stepping motor, the motor control unit may control the motor unit 40 by receiving a control waveform. In addition, the position signal due to the driving waveform of the motor unit 40 may be supplied to the motor control unit. Through this, the motor control unit can accurately control the rotation position of the motor unit 40. The motor control unit may be a driver for generating a pulse signal for driving the motor unit 40.
- the stepping motor as the motor unit 40 may be capable of both forward and reverse rotation. Therefore, it is possible to twist the ice making tray 100 only by the motor unit 40 and to return it to its original position.
- the present invention is not limited thereto, and the twisting of the ice tray 100 may be performed by the motor unit 40, and the swinging of the ice tray 100 again may include an elastic member (not shown) mounted on one side of the ice tray 100. May be used).
- the ice maker 10 may further include the components of the signal transmitter, the cross output unit, the signal transmitter, and the drive described above with respect to the control.
- the signal transmitter included in the refrigerator may transmit an electric signal to drive the driver 20 according to the information included in the electric signal.
- the electrical signal received from the signal transmitter may be transferred to the signal receiver by the cross output unit.
- the direction in which the signal is transmitted may determine operation information of the driver to which the electrical signal is finally transmitted to the electrical signal.
- the information included in the electrical signal received from the refrigerator may be delivered in different pulses per secomd (pps) when the electrical signals are transmitted in the form of pulses so that each pps (pulse per secomd) may include specific information.
- pps pulses per secomd
- the driving unit may be driven in reverse rotation when delivered at 500pps forward.
- it may be information including the rotation angle and torque.
- the rotation speed, the rotation direction, the rotation angle, and the torque may be determined as a result of the signal combination transmitted for each of the plurality of signal lines. That is, the electrical signal may be of bipolar type. Of course, it may be a unipolar type. For example, even in the case of digital signals, which are signals of 1 and 0, the rotation speed, the rotation direction, the rotation angle, and the torque may be determined through the combination of the respective signals. That is, one or more of bipolar and unipolar may be applied to the electrical signal.
- the electrical signal transmitted from the cross output unit included in the refrigerator may be received by the signal receiver and transmitted to the driver.
- the driving unit may be driven by receiving the electric signal.
- the driving unit, the drive and the motor unit may include.
- the drive may produce rotation information in which the motor unit 40 is rotated by transmitting information for driving the motor unit 40.
- the production may be based on a predetermined rule as a process of interpreting the information included in the previously received electrical signal, and the predetermined rule corresponds to the contents described for the information included in the above-described electrical signal.
- the motor unit 40 When rotation information for rotating the motor unit 40 is produced in the drive, the motor unit 40 is transmitted to the motor unit 40, and the motor unit 40 may be driven to correspond to the predetermined rotation information.
- the power to rotate the motor unit 40 may be supplied by a power line separately from the outside.
- the voltage for transmitting the electrical signal may be 5V
- the voltage for driving the motor unit 40 may be 12V.
- the power line may be connected to a driving unit to transmit power. That is, the power may be transmitted to the drive or motor unit 40.
- the transmitted power may rotate the motor unit 40 and rotate one side of the ice making tray 100 connected to the shaft of the driving unit 10.
- One side portion of the ice tray 100 is connected to the motor unit 40 is rotated together with the whole of the motor in accordance with the rotation of the motor 40, the other side is caught by a stopper (not shown) may be rotated together by a predetermined section.
- the predetermined section corresponds to a smaller range than the entire span, and since the predetermined section, which is always excluded, is rotated only on one side of the ice making tray 100, the ice making tray 100 may be twisted. .
- the ice making tray 100 that receives the ice making water and is disposed at sub-zero temperatures may have the ice making tray 100 twisted to make ice when the ice making state changes to ice.
- the ice tray 100 is twisted for ice making, at which time the motor unit 40 can be driven to twist the ice tray 100, and the motor unit 40 is rotated by a drive based on an electric signal.
- Information can be produced and delivered. That is, in the present embodiment, the electric signal to be the rotation information is determined by the selective transmission of the cross output unit, so that the ice can be performed.
- the present invention is not limited thereto, and some of the components may not be included, and thus the motor unit 40 may be rotated by varying the transmission method of the electric signal and the rotation signal.
- FIG 2 is a perspective view of the ice tray 100 showing a twist of the ice tray 100 according to an embodiment of the present invention.
- the motor unit 40 may be connected to one side of the ice making tray 100 to transmit rotational power.
- Rotational power may be transmitted to only one side, not both sides of the ice making tray 100.
- the ice making tray 100 may be rotated in the forward rotation.
- the forward rotation direction is divided into a plurality of sections, and only a portion of the both ends of the ice making tray 100 are rotated together, and one end of the ice making tray 100, that is, the one connected to the motor unit 40 in the remaining sections. Only the sides can be rotated.
- the other side formed on the opposite side of the one side may be prevented from being rotated by a stopper (not shown) to be rotated to a predetermined rotation angle, the rotational power by the motor portion 40 continues to one side Since this is transmitted, one side of the ice tray 100 may be rotated.
- the ice making tray 100 may be twisted.
- the twist may be fixed to the receiving portion of the ice making tray 100 when the ice making water is accommodated in the ice making tray 100 and the ice making water is changed to a state of ice at sub-zero temperatures, which may be a twist to separate and ice the ice. have.
- the twist of the ice making tray 100 can be made after the predetermined angle is rotated so that the ice can be moved by the weight in the own weight direction. That is, the predetermined angle rotation may be an angle at which both ends of the ice making tray 100 are rotated together, and a rotation section from the point where the twist starts to the point where the twist is completed is the one side of the ice making tray 100. Only can be rotated.
- Figure 3 is a perspective view showing the arrangement of the gear group (30; 31, 32) according to an embodiment of the present invention.
- the gear group 30 (31, 32) may include a first gear 212, a second gear 212 and the output unit 130.
- the shift configurations included in the gear group 30 (31, 32) are the above three configurations, but this is only one example, and may include one or more shiftable gears.
- the first gear 212 may include the first-first gear 111 and the first-second gear 112.
- the first-first gear 111 is a gear included in the gear group 30 (31, 32) to which the rotational power of the motor unit 40 is first transmitted, and the pitch circle is larger than the first-second gear 112. Can be formed.
- the rotational power of the motor unit 40 transmitted to the first-first gear 111 is first-first.
- the reduced rotational speed transmitted to the second gear 112 may be transmitted to the second gear 212.
- the rotational power transmitted to the second-first gear 113 of the second gear 212 may be transmitted to the output unit 130.
- the output unit 130 may be rotated by the combination of the second-first gear 113 and the first output shaft 121.
- the second gear 212 includes a 2-1 gear 113 and a 2-2 gear 114, the pitch source of the 2-2 gear 114 is the pitch of the 2-1 gear 113 It is formed smaller than a circle and the center of rotation may be the same.
- the first output shaft 121 is not all formed in the 360 degree direction with respect to the rotation center axis of the output unit 130, and may be formed in a predetermined section. Therefore, the output unit 130 may be rotated by the combination of the second-first gear 113 and the first output shaft 121 by a predetermined section of the rotation section of the output unit 130.
- the second gear 212 may be formed by a pitch circle different from the same center of rotation of the second gear 113 and the second gear 114 included in the second gear 212.
- the rotation speed and the torque may vary for each rotation section.
- FIG. 4 is a side view showing the arrangement of the gear group 30 (31, 32) according to an embodiment of the present invention.
- the rotation speed, rotation range (angle of rotation), torque, and the like of the ice making tray 100 may be known by interlocking the output unit 130 and the second gear 211.
- the rotation speed decreases and the torque may be increased while being transmitted to the second gear 212.
- the decrease in the number of revolutions and the increase in the torque may be inversely related to each other when the rotational power transmitted from the motor unit 40 is kept constant, thereby increasing or decreasing each value.
- the rotational power may vary due to factors such as a supply signal or electric power as described above, but assuming that a certain rotational power is provided in order to explain the speed ratio and the structure of the gear group 30 (31, 32). do.
- the first gear 212 and the second gear 212 rotate at the same rotational speed by receiving rotational power from the pinion 12 provided on the motor shaft (41a in FIG. 4).
- the rotation can be forward and reverse rotation, this control can be performed by the motor unit 40, which is a stepping motor rotates through the control unit.
- first gear 212 and a second gear 212 which are configurations of the gear unit 100 rotated at the same rotational speed
- the output unit 130 may have a rotational speed depending on the rotational section.
- the first output shaft 121 and the second output shaft 122 included in the output unit 130 are respectively the second-second gear 114 and the second-first gear 113 of the second gear 212.
- the gear teeth (jaw) formed in the output unit 130 may be possible by forming a partial section in the pitch circle direction.
- the gear teeth are formed on both the first output shaft 121 and the second output shaft 122, but may be formed in a partial section, the partial section may be formed from the center of rotation of the output unit 130
- the predetermined angle may be formed, and the predetermined angles at which gear teeth are formed on the first output shaft 121 and the second output shaft 122 may be prevented from overlapping each other.
- each of the predetermined angles may be arranged in succession on the angle (360 degrees) between the whole.
- the second output shaft 122 When the rotation of the first output shaft 121 interlocked with the second-second gear 114 to be engaged by the angle at which the gear teeth of the first output shaft 121 are formed is a high speed rotation, the second output shaft 122 Is engaged with the second-first gear 113 and rotates as much as the angle at which the gear teeth (jaw) of the first output shaft 121 are formed.
- the high speed and the high torque mean that the first output shaft 121 and the second output shaft 122 are increased relative to each other when the first output shaft 121 and the second output shaft 122 are rotated in conjunction with each other in the gear group 30 (31, 32).
- the second gear 212 that is interlocked with the output unit 130 in the gear group 30 (31, 32), the flow section for free rotation before and after the interlock with the output unit 130 may be formed. That is, since the interworking with the output unit 130 in which the gear teeth (jaw) are formed in the predetermined section is made according to the section, the second-1 in a state in which the first output shaft 121 and the second output shaft 122 are not interlocked.
- the gear 113 and the second and second gears 114 may have free flow sections.
- a rotation section in which the torque of the interlocked output unit 130 is increased and the rotation speed is decreased may be formed.
- the first output shaft 121 may further display a display unit (not shown) that may display, by visual information or the like, that the first output shaft 121 is disposed in a rotational standby state while being interlocked. It may include.
- the display unit may be displayed in a different color from the jaw of a particular gear tooth or in a scale or the like. Therefore, according to the position of the display unit (not shown), it is possible to check whether the origin state.
- the gear teeth of the second output shaft 122 the gear teeth located at the beginning of the point of time when switching from the linkage of the first output shaft 121 to the linkage of the second output shaft 122, the height is higher than the other gear teeth Can be formed low.
- the start portion means a portion in which interference between the gear teeth of the second gear 1 and the gear teeth of the second output gear 113 in the process of engagement with the 2-1 gear 113, the second output shaft ( 122) may be more than 0% and less than 50% of the section in which the gear teeth are formed.
- the ice making tray 100 may be rotated at high speed or high torque. . This will be described in more detail with reference to FIG. 5 below.
- 5 is a plan view showing the arrangement of the gear group 30 (31, 32) according to an embodiment of the present invention.
- the motor shaft 41a extends in one direction from the body of the motor unit 40, and the pinion 12 may be provided on the extended motor shaft 41a.
- Gear group (30; 31, 32) that rotates in conjunction with the pinion (12) may be connected to the ice tray (100) through the output shaft (133).
- the direction in which the output shaft 133 connected to the ice making tray 100 extends may be opposite to the direction in which the motor shaft 41a extends from the body of the motor unit 40.
- Gear groups 30 (31, 32) and the motor 10 located in the drive unit 20 can be arranged in such a structure to reduce the volume of the drive unit 20.
- a geared motor may be employed as the motor unit 40 as a method for reducing the volume of the control box.
- a geared motor By employing a geared motor, an eccentric distance E between the center of rotation MC of the rotor embedded in the motor unit 40 and the motor shaft 41a extending to the outside of the body may be formed.
- the body of the motor unit 40 can be arranged to be closer to the inside of the drive unit 20. That is, by arranging the motor part 40 inside the driving part 20 by the eccentric distance E formed between the rotor rotation center MC and the center of the motor shaft 41a, the driving part 20 can be made smaller. do.
- FIG. 6 is an exploded perspective view showing the structure of the second gear 212 according to an embodiment of the present invention.
- the second gear 212 rotated in conjunction with the output units 32 and 120 may be operated by the combination of the second-first gear 113 and the second-two gear 114.
- the operation means that the second-first gear 113 and the second-two gear 114 move by generating an angle play by the rotation angle R, and the rotation angle R is the second-1 gear ( 113) means a rotation range capable of compensating the difference in the rotational speed of the second gear 114.
- the rotation angle R may be 20 degrees.
- the modules when the first output shaft 121 and the second output shaft 122 are linked to each other may be different from each other, a difference in rotational speed may occur, and a transmission path of rotational power may be transferred from the first output shaft 121 to the second output shaft 122. Since the speed difference occurs at the time of movement, the gear rotation may be stopped if the rotation angle R is not formed.
- the rotation angle (R) for accommodating the rotational speed difference of the gear should be formed, and for this purpose, the 2-2 gear 114 is coupled to the inside of the 2-1 gear 113 so that the slide part is located within the guide part. Can be rotated.
- connection portion 210 of the ice tray 100 is rotated by the motor unit 40 according to an embodiment of the present invention.
- the first gear part and the second gear part are gears formed on the connection part 210 side and gears formed on the motor shaft 40a side of the motor part 40.
- the first gear part includes a first gear 222 and a second gear 221, and in the case of the second gear part, the first gear 212 and the second gear 211. ).
- the embodiment may include a connection part 210 provided at one side of the ice making tray 100 and a motor part 40 interlocked with the connection part 210.
- the connection part 210 may have a gear formed on a surface connected to the motor part 40 so that the connection part 210 may be interlocked by the meshing of the gears.
- the gears may be formed in plural, and may be formed in a circumferential direction by varying a radius about a rotation axis of the connection part 210.
- the first mating gear 222 and the second mating gear 221 may be formed.
- the first mating gear 222 and the second mating gear 221 may be formed with different radii from each other, and the forming angles in the circumferential direction may also be formed differently. That is, the first mating gear 222 and the second mating gear 221 may be formed while avoiding the overlapping section based on the rotation direction. Such a structure is to avoid a state in which the first gear 212 engaged with the first engagement gear 222 and the second gear 211 engaging with the second engagement gear 221 are simultaneously engaged with each other. When meshed with each other at the same time, the first mating gear 222 and the second mating gear 221 located at different radii on the connecting portion 210 may have different rotation speeds, thereby causing resistance to rotation.
- the motor 40, the motor shaft (40a) can be extended to transmit the rotational power
- the first gear 212 and the second gear 211 is formed from the outer peripheral surface of the motor shaft (40a) Can be.
- the first gear 212 and the second gear 211 may be positioned on the motor shaft 40a to be engaged with the first gear 222 and the second gear 221, respectively.
- the rotational power by the motor unit 40 may first be transmitted by engaging between the second gear 211 and the second matching gear 221.
- the angle at which the connector 210 is rotated by the rotational force transmission may be determined according to the formation length of the second fitting gear 221.
- the rotation angle determined according to the formation length of the second engagement gear 221 may be a twisting section in which both ends of the ice making tray 100 are rotated together.
- the rotational speed of the motor unit 40 may be the same, the rotational speed may be reduced and the torque may be increased as compared with the rotation performed by the engagement between the second gear 211 and the second engagement gear 221. That is, the rotation by the engagement of the first gear 212 and the first engagement gear 222 may be a rotation for the purpose of twisting.
- Rotation speed and torque may vary depending on the power supplied, but may vary according to the radius of the matching gears 131 and 141 formed in the connection portion 210. For example, if the radius is doubled, the torque can be doubled, the speed can be halved, and at half the radius, the torque can be halved and the speed can be doubled.
- the first gear 212 and the first matching gear 222 are engaged to rotate in a section in which a large torque is required, that is, a section in which the ice tray 100 is twisted. Therefore, the second gear 211 and the second engagement gear 221 is engaged with each other to rotate in the rotation section before the ice. Details of the rotation section will be described later.
- connection part 210 of the ice making tray 100 is rotated by the motor part 40 according to another embodiment of the present invention.
- the first gear part and the second gear part are gears formed on the connection part 210 side and gears formed on the motor shaft 40a side of the motor part 40.
- the first gear portion includes a worm gear 310 and the second gear portion includes a worm wheel 321.
- the embodiment may include a connection part 210 provided at one side of the ice making tray 100 and a motor part 40 connected to the connection part 210.
- the connection part 320 may have a gear formed on a surface connected to the motor part 40.
- the gear may be a worm wheel 321 and may be rotated about a rotation axis of the connection part 320.
- the worm wheel 321 may be rotated in engagement with a worm gear 310 formed on the outer circumferential surface of the motor shaft 40a extending from the motor unit 40. That is, since the worm gear 310 and the worm wheel 321 formed on the connecting portion 220 is rotated in engagement with each other, the rotational speed of the worm gear 130a that provides rotational power and the rotational speed of the connecting portion 220 can be increased or decreased proportionally. have.
- the power supply may be adjusted to adjust the rotation speed of the worm gear 310.
- it can be changed according to the high and low pulses.
- the rotational speed of the connecting portion 220 it may be supplied at 500pps
- the torque preferentially it may be supplied at 400pps.
- the lower pulse means that the lower the rotational speed and the higher torque can be transmitted. Therefore, when the ice tray 100 is rotated from the ice tray 100 to an angle where ice can fall in the direction of its own weight, it is supplied at 500pps.
- the supply difference of such electric power is not limited to the above-mentioned case and can be determined by those skilled in the art in consideration of the rotational speed and the torque.
- connection portion 430 of the ice making tray 100 is rotated by the motor unit 40 according to another embodiment of the present invention.
- the first gear part and the second gear part are gears formed on the connection part 430 side and gears formed on the motor shaft 40a side of the motor part 40, respectively, It further includes a gear unit.
- the third gear part is described below as a middle gear 420 including a first middle gear 422 and a second middle gear 421.
- the first gear part may include a small gear 410
- the second gear part may be a gear formed on the outer circumferential surface of the connection part 430.
- the third gear parts 150 and 160 may include a first middle gear 422 meshing with the small gear 410 and a second middle gear 421 meshing with an outer circumferential surface of the connecting portion 430.
- the present embodiment includes a connection part 430 provided at one side of the ice making tray 100, a motor part 40 connected to the connection part 210, and the motor part 40 and the connection part ( Is disposed between the 430 may include a middle gear 420 for transmitting the rotational power of the motor unit 40 to the connecting portion 430.
- the middle gear 420 may include a first middle gear 422 and a second middle gear 421.
- the first middle gear 422 may rotate in engagement with the connecting portion 210
- the second middle gear 421 may rotate in engagement with the small gear 170 of the motor unit 40.
- the small gear 410 may be formed at an end portion of the motor shaft 40a of the motor unit 40.
- the middle gears 150 and 160 of the middle gear 150 may have different directions of the first middle gear 150 and the second middle gear 160.
- the middle gear 150 or 160 may be changed when the arrangement of the motor unit 40 and the ice tray 100 is changed to reduce the volume of the ice maker 10.
- the direction of power transmission due to may be changed differently from the example.
- the middle gear 420 has a second connection portion (1) where the first middle gear 422 and the connecting portion 210 are engaged, and the second connecting portion 431 and the second middle gear 421 and the small gear 410 are engaged with each other.
- the speed ratio may be determined between the rotational speed of the motor shaft 40a and the rotational speed of the connector 210 according to the position of the 411.
- the speed ratio may be determined according to the distances from the centers of rotation of the middle gears 150 and 160, which are positions of the reconnecting unit 431 and the reconnecting unit 411, respectively.
- the rotation speed may vary depending on the power supplied. For example, when power is supplied in pulse units, it can be changed according to the high and low pulses. When considering the rotational speed of the connection portion 210a preferentially, it may be supplied at 500pps, and when considering the torque preferentially, it may be supplied at 400pps.
- the lower pulse means that the lower the rotational speed and the higher torque can be transmitted. Therefore, when the ice tray 100 is rotated from the ice tray 100 to an angle where ice can fall in the direction of its own weight, it is supplied at 500pps. By twisting the ice making tray 100, it is possible to supply 400pps when ice is iced from the ice making tray 100.
- the supply difference of such electric power is not limited to the above-mentioned case and can be determined by those skilled in the art in consideration of the rotational speed and the torque.
- FIG. 10 is a view illustrating a range in which the ice tray 100 rotates according to embodiments of the present invention.
- both sides of the ice tray 100 may be rotated, and the rotation may be divided into a second section and a third section of the first section, which will be described as A-B section, B-C section, and C-A section, respectively.
- ice making water is supplied to the ice making tray 100 and the temperature environment is below zero.
- ice making can be performed.
- the ice may be iced by twisting the ice tray 100.
- De-icing may be basically performed by forward and reverse rotation by the motor unit 40. Specifically, for example, if rotated by about 160 degrees when the forward rotation by the motor unit 40, the reverse rotation is rotated 160 degrees, after the forward and reverse rotation is performed the ice making tray 100 at the origin Can be returned.
- the forward rotation may be divided into A-B and B-C.
- the 160 degrees may be determined in the range of 180 degrees or less as an example.
- the process of performing the reverse rotation by the forward rotation and the forward rotation by one rotation range may be one cycle.
- the A-B section (forward rotation section) and the C-A section (reverse rotation section) is rotated at 1 RPM, the torque may be 10 kgfcm.
- the B-C section (forward rotation section) is rotated at 0.25 RPM, the torque can be 40 kgfcm.
- the time consumed to perform the single cycle depends on the angular range of the A-C section, but may be, for example, 90 seconds to 120 seconds. Of course, depending on the rotational speed may vary depending on the factors described above.
- the gear ratios of the B-C section twisting the ice tray 100 and the A-B section and the C-A section to rotate at high speed are different from each other and may be formed between 1.5 and 4.7 times as an example.
- the ice tray 100 may be rotated by an A-B section (first section) based on the ice tray rotation center O.
- the rotation corresponds to a high speed rotation by the first output unit, and the rotation includes both ends including one side and the other side to which the ice tray 100 is not twisted and the ice tray 100 is connected to the output unit 130.
- the other side is stopped by a stopper or the like not shown.
- the rotational power transmitted from the one side portion by the output shaft 123 may be applied to one side portion so that the ice making tray 100 may be twisted (second section).
- the ice making tray 100 which has already rotated the A-B section is twisted, the iced ice may move in its own weight direction. After ice is iced, the ice making tray 100 returns to the A point of origin (third section).
- both ends of the ice making tray 100 are rotated to the point B, and in the section in which the second output shaft 122 is interlocked and rotated, both ends of the ice making tray 100 are rotated. Only one side of the output shaft 123 may be connected to the C point.
- the rotation section may include a forward rotation section and a third section including first and second sections divided based on a position adjacent to the stopper (not shown) so that the ice making tray 100 may be twisted. It includes a reverse rotation section including, the rotation of the ice tray 100 is performed in the order of the first section, the second section and the third section, the other side of the ice tray 100 is the stopper ( If not adjacent to), the second output shaft 122 may be interlocked to rotate so that the rotation torque of the output unit 130 is increased.
- the rotation of the second section may be controlled by a low pulse per second so that the rotation speed of the ice making tray 100 is lowered.
- the rotation section is a forward rotation section including a first section and a second section divided into positions before and after an angle adjacent to the rotation angle of the ice tray 100, the twist of the ice tray 100 is started, and the third section It may be divided into a reverse rotation section including a.
- the rotation is performed in the order of the first section, the second section, and the third section, and the first section and the third section may be pulse-controlled so that the rotation torque is reduced than the second section.
- the first section and the third section may be driven by a higher pulse per second than the second section.
- the A-B section (first section), the B-C section (second section), and the C-A section (third section) may be divided. That is, section A-B is a rotation for providing an angle at which ice can be moved in its own weight direction, and section B-C is a rotation for twisting the ice tray 100 with the rotational power of the motor unit 40 to make ice.
- the C-A section may be a rotation to be in a state capable of receiving the ice-making water again, as the ice tray 100 returns to the origin.
- the rotation speed is increased. Can decrease and increase torque.
- the relationship between the rotational speed and the torque is as described in the foregoing description, when the same rotational power is provided from the motor unit 40, the change in the rotational speed through the speed ratio changes the torque, and the rotational speed and the torque are inversely proportional to each other. Can change. That is, even if the same rotational power is transmitted, the gear ratio can be variably determined according to the section, so that the rotational speed and torque can be varied.
- the section in which torque is the greatest among the three sections described above is a section B-C, and sections A-B and C-A may be adjusted in consideration of speed.
- the above-described angle of each section is an example, and the rotation angle for each section may be variously changed by those skilled in the art.
- the motor unit 40 may be a stepping motor. Furthermore, it may be a stepping motor and at the same time a geared motor. A plurality of gears may be provided on the side from which the motor shaft 40a extends from the motor unit 40 to adjust the speed ratio to increase or decrease the rotation speed of the motor unit 40.
- the rotation speed and the torque may be inversely proportional to one of ordinary skill in the art in consideration of the rotation speed and the torque, the skilled person may determine the gear ratio of the geared motor.
- 11 and 12 are views for explaining the operation of the ice maker according to the second embodiment of the present invention.
- the ice maker 10 includes a signal transmitter 700 for transmitting an electrical signal 1, a cross output unit 500, a signal receiver 600, a gear group 30, and an ice tray 100. ) May be included.
- the signal transmitter 700 may transmit the electric signal 1 so that the gear group 30 is driven according to the information included in the electric signal 1.
- the electrical signal 1 received from the signal transmitter 700 may be transmitted to the signal receiver 600 via the cross output unit 500.
- the transmitted direction may determine operation information of the driver to which the electric signal 1 is finally delivered to the electric signal.
- the information included in the electrical signal 1 may be transmitted in different pulses per secomd (pps) when the electrical signals are transmitted in the form of pulses, so that each pps (pulse per secomd) may include specific information.
- pps pulses per secomd
- the driving unit may be driven by reverse rotation when delivered at 500pps forward.
- it may be information including the rotation angle and torque.
- the rotation speed, the rotation direction, the rotation angle, and the torque may be determined as a result of the signal combination transmitted for each of the plurality of signal lines. That is, the electrical signal may be of bipolar type. Of course, it may be a unipolar type. For example, even in the case of digital signals, which are signals of 1 and 0, the rotation speed, the rotation direction, the rotation angle, and the torque may be determined through the combination of the respective signals. That is, one or more of bipolar and unipolar may be applied to the electrical signal.
- information such as rotation direction, rotation angle, rotation speed and torque may be determined by the above-described information, or may be determined according to the electrical signal 1 transmitted by the cross-output unit 500 in the same manner as in the present embodiment. have. That is, it may be determined according to information such as the type of information intersected by the cross output unit 500, the time of intersection and the number of times of crossover.
- the signal receiving unit 600 or the drive 900 which receives the electrical information 1 transmitted by the cross-output unit 500 records data of predetermined periodic information so that the electrical information is recorded. When (1) is received, processing for switching to rotation information is possible.
- the electrical signal 1 transmitted from the cross output unit 500 may be received by the signal receiver 600 and transmitted to the gear group 30.
- the gear group 30 may be driven by receiving the electric signal.
- the gear group 30 may include a drive 900 and a motor unit 40.
- the drive 900 may produce rotation information in which the motor unit 40 is rotated by transmitting information for driving the motor unit 40.
- the production may be based on a predetermined rule as a process of interpreting the information included in the electrical signal 1 previously received, and the predetermined rule may be a description of the information included in the above-described electrical signal 1.
- the motor unit 40 When rotation information for rotating the motor unit 40 is produced in the drive 900, the motor unit 40 may be transmitted to the motor unit 40, and the motor unit may be driven corresponding to the predetermined rotation information. At this time, the power to rotate the motor may be supplied by the power line 50 separately from the outside.
- the voltage for transmitting the electric signal 1 may be 5V
- the voltage for driving the motor unit 40 may be 12V.
- the power line 50 may be connected to the gear group 30 to transmit power. That is, the power may be connected to and transmitted to the drive 900 or the motor unit 40.
- the transmitted power may rotate the motor unit 40 and rotate one side of the ice making tray 100 connected to the shaft of the motor unit 40.
- One side portion of the ice tray 100 is connected to the motor unit 40 and rotates together with the previous section according to the rotation of the motor unit, and the other side may be rotated together by a predetermined section by a stopper (not shown). Since the predetermined period in which the entire period is excluded is driven to rotate only one side of the ice making tray 100, the ice making tray 100 may be twisted.
- the ice making tray 100 that receives the ice making water and is disposed at a sub-zero temperature may have the ice making tray 100 twisted to ice the ice making water when the ice making water changes state (if iced).
- the ice tray 100 is twisted to ice the iced ice, and at this time, the motor unit 40 may be driven to twist the ice tray 100, and the motor unit 40 may rotate the electric signal 1.
- the electric signal 1 to be the rotation information is determined by the selective transmission of the cross output unit 500, and ice making can be performed.
- the electrical signal 1 transmitted from the signal transmitter 500 transmits and receives a signal converter (SIGNAL CONVERTER) and the electrical signal (1) and converts the rotation information into a motor driver (MOTOR DRIVER). ) Can be sent.
- the motor unit 40 may be rotated to correspond to the transmitted rotation information (converted electric signal).
- FIG. 13 and 14 are views for explaining the operation of the ice maker 10 according to the third embodiment of the present invention.
- the ice maker 10 may include a signal transmitter 700a, a signal receiver 600a, an operation unit 800a, and an ice tray 200a for transmitting the electrical signal 2.
- the signal transmitter 700a may transmit the electrical signal 2 so that the operation unit 800a is driven according to the information included in the electrical signal 2.
- the electrical signal 2 received from the signal transmitter 700a may be transmitted to the signal receiver 600a.
- the transmitted direction may determine operation information of the driver to which the electric signal 2 is finally delivered to the electric signal.
- the information included in the electrical signal 2 may be transmitted in different pulses per secomd (pps) when the electrical signals 2 are transmitted in the form of pulses, so that each pps (pulse per secomd) may include specific information.
- the driving unit when transmitted at 180pps, the driving unit may be driven by reverse rotation when delivered at 500pps forward.
- the information related to the rotation direction as described above, it may be information including the rotation angle and torque.
- the rotation direction, the rotation angle, the torque, and the like may be determined as a result of the signal combination transmitted for each of the plurality of signal lines.
- the electrical signal 2 may be received by the signal receiver 600a and transmitted to the operation unit 800a.
- the operation unit 800a may be driven by receiving the electric signal.
- the operation unit 800a may include a drive 900a and a motor unit 120a.
- the drive 900a may transmit rotation information of the motor unit 120a by transmitting information on which the motor unit 120a is driven.
- the production may be based on a predetermined rule as a process of interpreting the information included in the previously received electrical signal (2), the predetermined rule is a description of the information contained in the above-described electrical signal (2) Corresponds to
- the motor unit 120a When rotation information for rotating the motor unit 120a is produced in the drive 900a, the motor unit 120a may be transferred to the motor unit 120a, and the motor unit may be driven corresponding to the predetermined rotation information.
- the power to rotate the motor may be supplied by a power line 50a separately from the outside.
- the voltage for transmitting the electric signal 2 may be 5V
- the voltage for driving the motor unit 120a may be 12V.
- the power line 50a may be connected to the operation unit 800a to transmit power. That is, the power may be connected to and transmitted to the drive 900 or the motor unit 40.
- the transmitted power may rotate the motor unit 120a and rotate one side of the ice making tray 200a connected to the shaft of the motor unit 120a.
- One side portion of the ice tray 200a may be connected to the motor unit 120a to rotate together with the previous section according to the rotation of the motor unit, and the other side may be rotated together by a predetermined section by a stopper (not shown). Since the predetermined period in which the entire period is excluded is driven to rotate only one side of the ice making tray 200a, the ice making tray 200a may be twisted.
- the ice making tray 200a which accommodates ice making water and is disposed at subzero temperatures, may be iced by making the ice making tray 200a twist to ice the ice making water when the state of the ice making water changes to ice.
- the ice tray 200a is twisted to ice the iced ice, and at this time, the motor unit 120a may be driven to twist the ice tray 200a, and the motor unit 120a may rotate the electric signal 2. Based on the rotation can be produced and transmitted by the drive 900a.
- the rotation speed, the rotation direction, the rotation angle, and the torque may be determined as a result of the signal combination transmitted for each of the plurality of signal lines. That is, the electrical signal may be of bipolar type. Of course, it may be a unipolar type. For example, even in the case of digital signals, which are signals of 1 and 0, the rotation speed, the rotation direction, the rotation angle, and the torque may be determined through the combination of the respective signals. That is, one or more of bipolar and unipolar may be applied to the electrical signal.
- the 12V DC electricity may be electric power for driving the motor unit 40 driven according to the electric signal 1 transmitted from the signal transmitter 500 (MICOM).
- MICOM signal transmitter 500
- the motor unit 40 is driven by receiving power other than signal transmission power, but is not limited thereto.
- a voltage of 12 volts DC may be supplied.
- 15 and 16 are views for explaining the operation of the ice maker according to the fourth embodiment of the present invention.
- the ice maker 10 may include a signal transmitter 700b, a signal receiver 600b, a motor 120b, and an ice tray 200b for transmitting the rotation signal 3.
- the signal transmitter 700b may transmit the rotation signal 3 so that the motor unit 120b rotates according to the rotation signal 3.
- the rotation signal 3 transmitted from the signal transmitter 700b to the signal receiver 600b may finally determine operation information of the driver to which the electric signal 1 is to be transmitted.
- the information included in the rotation signal 3 may be transmitted in different pulses per secomd (pps) when the rotation signal 3 is transmitted in the form of a pulse so that each pps (pulse per secomd) may include specific information.
- pps pulses per secomd
- the motor unit 120b may be driven by reverse rotation when forwarded at 500pps.
- it may be information including the rotation angle and torque.
- the rotation speed, the rotation direction, the rotation angle, and the torque may be determined as a result of the signal combination transmitted for each of the plurality of signal lines. That is, the electrical signal may be of bipolar type. Of course, it may be a unipolar type. For example, even in the case of digital signals, which are signals of 1 and 0, the rotation speed, the rotation direction, the rotation angle, and the torque may be determined through the combination of the respective signals. That is, one or more of bipolar and unipolar may be applied to the electrical signal.
- the electrical signal 1 transmitted from the signal transmitter 700b may be received by the signal receiver 600b and transmitted to the driver 120b.
- the motor unit 120b may be driven by receiving the electric signal.
- the signal receiving unit 600b may transmit the rotation information in which the motor unit 40 is rotated by transferring the information in which the motor unit 40 is driven. That is, the motor unit 120b may be driven according to a digital or pulse signal without separately processing or interpreting the received information. That is, the information corresponding to the information included in the above-described electrical signal 1 corresponds.
- the motor unit 120b When the rotation information 3 for rotating the motor unit 120b is received, the motor unit 120b may be driven to correspond to the predetermined rotation information 3. At this time, the power to rotate the motor unit 120b may be supplied by the power line 50b separately from the outside.
- the voltage for transmitting the rotation signal 3 may be 5V
- the voltage for driving the motor unit 120b may be 12V.
- the power line 50b may be connected to the motor unit 120b to transmit power. That is, the power may be connected to and transmitted to the motor unit 40.
- the transmitted power may rotate the motor unit 120b and rotate one side of the ice making tray 200b connected to the shaft of the motor unit 120b.
- One side portion of the ice tray 100 is connected to the motor unit 120b to rotate together with the previous section according to the rotation of the motor unit, and the other side may be rotated together by a predetermined section by a stopper (not shown). Since the predetermined section in which the entire period is excluded is driven to rotate only one side of the ice making tray 200b, the ice making tray 200b may be twisted.
- the ice making tray 200b which accommodates ice making water and is disposed at subzero temperatures, may be iced by making the ice making tray 200b twist to ice the ice making water when the state of the ice making water changes to ice.
- the ice tray 100 is twisted to ice the iced ice, and the motor unit 120b may be driven to twist the ice tray 100, and the motor unit 40 may rotate the rotation information 3.
- the rotation signal 3 transmitted from the signal transmitter 700b is transmitted to the motor unit 120b via the signal receiver 600b to perform ice making.
- the 12V DC electricity may be electric power for driving the motor unit 40 driven according to the electric signal 1 transmitted from the signal transmitter 500 (MICOM).
- MICOM signal transmitter 500
- the motor unit 40 is driven by receiving power other than signal transmission power, but is not limited thereto.
- a voltage of 12 volts DC may be supplied.
- 600, 600a, 600b signal receiver
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Abstract
Description
Claims (20)
- 냉장고에 마련되는 냉장고 제어부로부터 수신한 신호에 의해 제어되는 제빙기이고,상기 제빙기는,상기 신호에 대응하는 회전동력을 발생시키는 모터부;상기 모터부에 의해 회전되는 기어군을 포함하는 구동부; 및상기 기어군의 동작에 의해 트위스트가 되고, 제빙수가 수용부에 수용되어 제빙될 수 있는 제빙 트레이;를 포함하고,상기 제빙 트레이는,상기 모터부가 상기 신호에 대응되는 상기 회전동력 또는 상기 기어부 내에서 기어 간 연동 시에 형성되는 회전속도 차에 의해 상기 제빙 트레이가 상기 트위스트되는 회전구간에서 속도가 1회 이상 변경되는, 제빙기.
- 청구항 1에 있어서,상기 기어군은,상기 모터부의 상기 회전동력이 전달되고, 상기 회전동력에 의한 회전속도가 변속될 수 있는 변속비를 지닌 하나 이상의 기어; 및 상기 하나 이상의 기어와 연동되고 상기 제어박스 외측으로 변속된 회전을 전달하는 출력부;를 포함하는, 제빙기.
- 청구항 2에 있어서,상기 출력부는,상기 모터부의 상기 회전동력을 상기 하나 이상의 기어를 통해 전달받되, 회전 중에 두 개의 변속비를 통해 회전될 수 있도록 서로 다른 모듈로 형성되는 제1출력부 및 제2출력부가 형성되고,상기 제1출력부 및 상기 제2출력부는 회전중심이 동축상에 위치되고, 상기 제1출력부 및 상기 제2출력부 각각의 연동되는 회전구간은 기 결정된 서로 다른 구간에 형성되고, 상기 제1출력부 및 상기 제2출력부는 서로 다른 피치원으로 형성되며, 상기 제1출력부의 연동 및 상기 제2출력부의 연동은 순차적으로 수행되는, 제빙기.
- 청구항 2에 있어서,상기 모터부는,모터축이 상기 출력부의 상기 연결축과 서로 반대방향으로 연장되도록 배치 및 상기 모터축은 상기 모터부의 몸체와 편심 배치 중 하나 이상의 배치 형태를 포함하는, 제빙기.
- 청구항 2에 있어서,상기 출력부는,상기 연동되는 기어와 제1출력부가 연동되어 회전되는 구간에서는 상기 제2출력부와 연동되어 회전되는 구간보다 상기 제빙 트레이가 고속으로 회전되고,상기 연동되는 기어와 제2출력부가 연동되어 회전되는 구간에서는 상기 제1출력부와 연동되어 회전되는 구간보다 상기 제빙 트레이가 높은 토크로 회전되는, 제빙기.
- 청구항 5에 있어서,상기 제빙 트레이는,상기 일측부는 상기 제1출력부 및 상기 제2출력부의 상기 연동에 의한 회전 시에 회전되고,상기 타측부는 상기 제1출력부의 상기 연동에 의한 회전 시에만 회전되는, 제빙기.
- 청구항 2에 있어서,상기 기어군 내에서 상기 하나 이상의 기어 중 상기 출력부와 연동이 되는 기어는, 상기 기 결정된 서로 다른 회전구간에서 상기 연동이 되기 전후로 자유회전하는 유동구간이 형성되는, 제빙기
- 청구항 2에 있어서,상기 제2출력부의 기어이빨 중,상기 제1출력부의 연동에서 상기 제2출력부의 연동으로 전환되는 시점의 개시부에 위치한 기어이빨은, 다른 기어이빨보다 높이가 낮게 형성되는, 제빙기.
- 청구항 1에 있어서,상기 기어군은,상기 제빙 트레이의 일측부에 마련되는 연결부에 기 결정된 길이만큼, 상기 신호에 따른 회전동력에 의해 회전되고, 상기 연결부의 회전방향으로 형성되는 제1기어부; 및상기 모터부의 모터축에 마련되고, 상기 제1기어부와 대응되는 위치에 형성되어 상기 제1기어부와 서로 맞물려서 연동되는 제2기어부;를 포함하고,상기 제1기어부는,상기 복수 개의 기어를 포함하고, 각각의 기어는 상기 회전동력에 의해 회전되는 상기 연결부의 회전중심으로부터 서로 다른 반경 상에 형성되되, 서로 회전구간이 분리되어 형성되고,상기 제2기어부는,상기 제1기어부와 대응되도록 상기 제1기어부의 상기 복수 개의 기어의 각각과 대응되는 복수 개의 기어를 포함하는, 제빙기.
- 청구항 1에 있어서,상기 제1기어부 및 상기 제2기어부 간에 위치되어 상기 회전동력을 상기 제1기어부로 전달하고, 상기 제1기어부와 맞물리는 제1미들기어 및 상기 제2깅어부와 맞물리는 제2미들기어를 포함하는 제3기어부;를 포함하고,상기 제3기어부는,상기 제1기어부 및 제2기어부 간의 서로 다른 회전방향을 보상할 수 있도록, 상기 제1미들기어 및 상기 제2미들기어가 배치되되, 상기 제1미들기어 및 상기 제2미들기어의 회전중심은 동축 상에 위치되는, 제빙기.
- 청구항 9항에 있어서,상기 연결부에 형성된 복수 개의 기어는 각각 제1맞기어 및 제2맞기어이고,상기 제1맞기어 및 상기 제2맞기어가 형성된 구간의 길이가 서로 다르게 형성되되, 상기 모터축과 더 늦게 맞물리는 제1맞기어가 먼저 맞물리는 상기 제2맞기어보다 짧게 형성되는, 제빙기.
- 청구항 9항에 있어서,상기 연결부에 형성된 복수 개의 기어는 제1맞기어 및 제2맞기어이고,상기 연결부 상에서 상기 제2맞기어보다 더 큰 반경거리를 두고 형성된 제1맞기어가 상기 모터축과 더 늦게 맞물리고,상기 반경거리의 차이에 의해 상기 연결부의 회전이 고속에서 저속으로 변경되는 구간이 형성되는, 제빙기.
- 청구항 1에 있어서.,상기 연결부의 상이한 회전속도는 상기 모터축의 회전속도 및 상기 미들기어의 변속비 중 하나 이상에 따라 결정되는, 제빙기.
- 청구항 1에 있어서,상기 제빙 트레이가 상기 제빙기 일측에 위치한 스토퍼에 인접하면 상기 제빙 트레이의 회전 토크가 증가되도록 상기 상기 모터부의 회전이 펄스 제어되는, 제빙기.
- 청구항 1에 있어서,상기 구동부는,상기 신호수신부로부터 전달받은 상기 전기신호를 회전정보로 변환하는 드라이브; 및 상기 회전정보를 상기 드라이브로부터 전달받아 상기 회전정보에 대응되도록 회전하는 모터부를 포함하는, 제빙기
- 청구항 15에 있어서,상기 냉장고 제어부와 복수 개의 통신라인을 통해 송수신하고,상기 신호 수신 시에는 상기 복수 개의 전선 내에서 선택적으로 상기 신호를 교차 또는 비(非)교차 송출하는 교차출력부로부터 상기 신호를 수신받는, 제빙기.
- 청구항 16에 있어서,상기 신호는 펄스 신호 또는 디지털 신호이고,상기 교차출력부에 의해 송신되는 상기 신호에 포함된 방향정보를 통해 상기 회전정보가 결정되는, 제빙기.
- 청구항 15에 있어서,상기 제어부는 제어 파형를 수신하여 상기 구동부를 제어하는, 제빙기.
- 냉장고 내에 위치되는 냉장고 제어부;상기 냉장고 제어부에 포함되고, 신호를 송신하는, 신호송신부;상기 냉장고 제어부에 포함되고, 상기 신호송신부로부터 수신받은 상기 전기신호를 복수 개의 전선을 통해 송신하되, 상기 냉장고 제어부에 의해 상기 복수 개의 전선 내에서 선택적으로 상기 전기신호를 교차 또는 비(非)교차 송출하는 교차출력부; 및제빙기;를 포함하고,상기 제빙기는,상기 교차출력부로부터 전달된 상기 신호를 수신하는 신호수신부;상기 신호수신부로부터 수신받은 상기 신호를 회전정보로 변환하는 드라이브, 및 상기 회전정보를 상기 드라이브로부터 전달받아 상기 회전정보에 대응되도록 회전하는 모터부를 포함하는 구동부;상기 모터부와 연결되고, 상기 모터부의 회전에 따라 회전되며, 제빙수를 수용할 수 있도록 상기 냉장고 내부의 영하의 온도에 배치되는 제빙 트레이; 및상기 모터부는 스테핑 모터이고,상기 회전정보는 회전속도, 회전방향, 회전각도 및 토크 중 하나 이상 포함하는 정보인, 냉장고.
- 청구항 1에 기재된 제빙기를 포함하는, 냉장고.
Priority Applications (4)
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JP2019515759A JP2019519747A (ja) | 2016-07-28 | 2017-07-19 | 製氷機およびこれを含む冷蔵庫 |
CN201780035662.4A CN109661548A (zh) | 2016-07-28 | 2017-07-19 | 制冰机和包括该制冰机的冰箱 |
US15/573,818 US20180245832A1 (en) | 2016-07-28 | 2017-07-19 | Ice maker and refrigerator including the same |
EP17834697.9A EP3447421B1 (en) | 2016-07-28 | 2017-07-19 | Ice-making apparatus and refrigerator comprising same |
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KR1020170068048A KR20180013700A (ko) | 2016-07-28 | 2017-05-31 | 트위스트 제빙기 및 이를 포함하는 냉장고 |
KR10-2017-0068048 | 2017-05-31 | ||
KR1020170068066A KR102367329B1 (ko) | 2017-05-31 | 2017-05-31 | 트위스트 제빙기 및 이를 포함하는 냉장고 |
KR10-2017-0079313 | 2017-06-22 | ||
KR1020170079313A KR102055832B1 (ko) | 2017-06-22 | 2017-06-22 | 제빙기 및 이를 포함하는 냉장고 |
KR1020170091450A KR101905515B1 (ko) | 2017-07-19 | 2017-07-19 | 제빙기 및 이를 포함하는 냉장고 |
KR10-2017-0091449 | 2017-07-19 | ||
KR1020170091449A KR20180013726A (ko) | 2016-07-28 | 2017-07-19 | 제빙기 및 이를 포함하는 냉장고 |
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