KR101720489B1 - Refrigerator and Method for Controlling Thereof - Google Patents

Refrigerator and Method for Controlling Thereof Download PDF

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Publication number
KR101720489B1
KR101720489B1 KR1020150125749A KR20150125749A KR101720489B1 KR 101720489 B1 KR101720489 B1 KR 101720489B1 KR 1020150125749 A KR1020150125749 A KR 1020150125749A KR 20150125749 A KR20150125749 A KR 20150125749A KR 101720489 B1 KR101720489 B1 KR 101720489B1
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KR
South Korea
Prior art keywords
discharge port
door
motor
storage
stored product
Prior art date
Application number
KR1020150125749A
Other languages
Korean (ko)
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KR20170028742A (en
Inventor
송민호
박종석
Original Assignee
엘지전자 주식회사
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Priority to KR1020150125749A priority Critical patent/KR101720489B1/en
Publication of KR20170028742A publication Critical patent/KR20170028742A/en
Application granted granted Critical
Publication of KR101720489B1 publication Critical patent/KR101720489B1/en

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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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D23/02—Doors; Covers
    • 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
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening
    • Y02B40/30—

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention relates to a refrigerator capable of informing a user that a discharge port for discharging cold air is obstructed by a stored product, and a control method thereof. A refrigerator according to an embodiment of the present invention includes a main body having a storage chamber formed therein, a discharge port for discharging cool air into the storage chamber, a sensor unit for sensing a diaphragm force of the discharge port by the stored material stored in the storage chamber, And a control unit for judging whether or not the discharge port has a barrier depending on the detection result of the sensor unit and informing the outside of the discharge port.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a refrigerator,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator and a control method thereof, and more particularly, to a refrigerator and a control method thereof, which can notify a user that a discharge port for discharging cold air is obstructed by a stored product.

Generally, a refrigerator is a device that allows storage of a stored product in a fresh state for a long time by the cold air supplied to the inside of the storage room. The cool air supplied to the inside of the storage chamber is generated by the heat exchange action of the refrigerant. The cold air supplied to the inside of the storage room is uniformly transferred to the inside of the storage room by the convection so that the food can be stored at a desired temperature.

Such a refrigerator has a problem in that the refrigerant is not uniformly delivered to the inside of the storage compartment because the user mistakenly stores the storage in the storage compartment.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a refrigerator and a control method thereof, which can inform a user of a discharge port for discharging cold air.

Another object of the present invention is to provide a refrigerator and a control method thereof for notifying a user of a storage of an obstacle blocking an ejection opening.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a refrigerator including: a main body having a storage chamber therein; a discharge port for discharging cool air into the storage chamber; And a control unit for determining whether the discharge port has a barrier depending on the detection result of the sensor unit and informing the outside of the discharge port.

According to another aspect of the present invention, there is provided a method of controlling a refrigerator, including: sensing a door being opened and closed after the door is opened; closing the door; And informing the outside of the diaphragm force of the discharge port.

The details of other embodiments are included in the detailed description and drawings.

According to the refrigerator of the present invention and the control method thereof, one or more of the following effects can be obtained.

First, there is an advantage that it is possible to judge whether the stored product obstructs the discharge port and to inform the user of the stored product.

Secondly, there is an advantage that the user can directly inform the user of the location of the discharge port or the obstacle blocking the discharge port, and the user can easily grasp the stored product.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of a refrigerator according to an embodiment of the present invention.
2 is a view illustrating an internal structure of a refrigerator according to an embodiment of the present invention.
3 is a block diagram of a refrigerator according to an embodiment of the present invention.
4 is a flowchart of a refrigerator control method according to an embodiment of the present invention.
FIG. 5 is a screen showing a display unit of a refrigerator according to an embodiment of the present invention, showing a diaphragm force of a discharge port.
6 is a view illustrating an internal structure of a refrigerator according to another embodiment of the present invention.
7 is a block diagram of a refrigerator according to another embodiment of the present invention.
8 is a flow chart of a refrigerator control method according to another embodiment of the present invention.
9 is a view showing an internal structure of a refrigerator according to another embodiment of the present invention.
10 is a block diagram of a refrigerator according to another embodiment of the present invention.
11 is a flowchart of a refrigerator control method according to another embodiment of the present invention.
FIG. 12 is a screen for displaying the diaphragm force of the discharge port according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings for explaining a refrigerator and its control method according to embodiments of the present invention.

FIG. 1 is a perspective view of a refrigerator according to an embodiment of the present invention. FIG. 2 is a view illustrating an internal structure of a refrigerator according to an embodiment of the present invention. FIG. 3 is a cross- FIG.

The refrigerator 100 according to the present invention includes a main body 110 having a storage chamber 111 in which a stored product S is stored and a door 120 connected to the main body 110 to open and close the storage chamber 111, A door switch 140 for detecting whether the door 120 is open or closed, a discharge port 115 for discharging cold air into the storage chamber 111, and a discharge port And a control unit 190 for determining whether the discharge hole 115 has a barrier or not, and informing the barrier force of the discharge hole 115 to the outside according to the detection result of the sensor unit.

The refrigerator 100 according to an embodiment of the present invention further includes a fan 151 through which the cooling air flows so that the discharge port 115 discharges the cool air and a motor 152 that rotates the fan 151, In an embodiment of the present invention, the sensor unit is a motor driving unit 153 for controlling the motor 152. [

The main body 110 is formed in a rectangular parallelepiped shape which forms an outer appearance of the refrigerator 100. [ The front surface of the main body 110 is opened, and the door 120 is provided on the opened front surface. On the upper side of the main body 110, a door switch 140 for detecting whether the door 120 is opened or closed is provided. A storage chamber 111 in which the stored product S is stored is formed in the body 110. A shelf 112 or a drawer is provided in the storage room 111 so that the storage S can be stored.

Inside the storage chamber 111, a discharge port 115 for discharging cool air into the storage chamber 111 is formed. The discharge ports 115 may be formed in a plurality of units. In this embodiment, two discharge ports 115 are formed at the upper middle portion of the rear surface of the storage chamber 111.

The discharge port 115 discharges cool air into the storage chamber 111. The cool air discharged to the discharge port 115 is cooled by a heat exchanger (not shown) provided in the main body 110 and flows by the fan 151. The fan 151 is provided in the main body 110 to flow cool air and discharge the cool air to the discharge port 115. A cool air passage (not shown) through which cool air flows may be formed in a space between the main body 110 and the storage chamber 111, and the fan 151 may be disposed on the cool air passage.

The fan 151 is connected to the motor 152, and the motor 152 is driven by the motor driving unit 153. The motor driving unit 153 controls the rotation speed of the motor 152 by current control. The motor driving unit 153 senses the load current output from the motor 152 after applying the voltage set to the motor 152 and transmits the sensed load current to the controller 190.

The door 120 is disposed on the opened front side of the main body 110 to open and close the storage chamber 111. The door 120 is coupled to the main body 110 by a hinge and is rotatable. The plurality of doors 120 may be provided.

The door switch 140 is provided in the main body 110 and contacts the door 120 when the door 120 is closed to detect whether the door 120 is open or closed. The door switch 140 transmits the opened / closed state of the detected door to the controller 190.

The display unit 130 visually displays the state of the refrigerator 100. The display unit 130 displays the set refrigerating temperature and / or the freezing temperature and displays other operating conditions and the like. The display unit 130 may be variously implemented as a liquid crystal display (LCD), a light emitting diode (LED), and an organic light emitting diode (OLED). In this embodiment, the display unit 130 displays the position of the discharge port 115 in the storage chamber 111 and displays the barrier force of the discharge port 115 by the stored product S. A detailed description thereof will be given later with reference to Fig.

The control unit 190 controls the motor driving unit 153 to stop the motor 152 when the door 120 is opened by the door switch 140 and to close the door 120 to the door switch 140. [ The controller 150 controls the motor driver 153 to drive the motor 152. The control unit 190 determines whether the load current detected by the motor driving unit 153 is normal or abnormal after the motor 152 is driven. The controller 190 determines that the load current of the motor 152 is abnormal when the load current is greater than the reference current value set according to the applied voltage.

When the load current of the motor 152 is abnormal, the control unit 190 determines that the stored product S deposited in the storage compartment 111 is blocking the discharge port 115, ) Outside of the barrier force. The control unit 190 displays the position of the discharge port 115 in the storage chamber 111 through the display unit 130 and displays the barrier force of the discharge port 115 by the stored product S do. The control unit 190 sounds the sound of the obstacle of the discharge port 115 by the stored product S through a speaker (not shown) or sounds the discharge port 115 by the stored product S in the user's cellular phone, Can transmit the barrier force of.

4 is a flowchart of a refrigerator control method according to an embodiment of the present invention.

The door switch 140 detects that the door 120 is opened and then closed (S110). The door switch 140 transmits the opening of the door 120 to the control unit 190 when the door 120 is opened and transmits the closing of the door 120 to the control unit 190 when the door 120 is closed.

When the door switch 140 detects that the door 120 is closed after the door 120 is opened, the controller 190 controls the motor driver 153 to drive the motor 152 (S120). When the motor 152 is driven, the motor 152 rotates the fan 151 to discharge the cool air to the discharge port 115. The motor driver 153 senses the load current output from the motor 152 and transmits the sensed load current to the controller 190.

After the motor 152 is driven, the controller 190 determines whether the load current of the motor 152 sensed by the motor driving unit 153 is abnormal, S130). When the load current of the motor 152 is larger than the set reference current value, the controller 190 determines that the load is abnormal.

When the controller 190 determines that the load current of the motor 152 is normal, the controller 190 continues to operate the refrigerator 100 in accordance with the set normal operation.

The control unit 190 determines that the stored product S placed in the storage chamber 111 is blocking the discharge opening 115 when the load current of the motor 152 is abnormal and informs the outside of the discharge opening 115 of the discharge opening 115 S140). The control unit 190 displays the position of the discharge port 115 in the storage chamber 111 through the display unit 130 and displays the barrier force of the discharge port 115 by the stored product S do.

FIG. 5 is a screen showing a display unit of a refrigerator according to an embodiment of the present invention, showing a diaphragm force of a discharge port.

The control unit 190 displays the barrier force of the discharge port 115 on the display unit 130 as shown in FIG. 5 when the storage S installed in the storage chamber 111 determines that the storage S is obstructing the discharge opening 115.

The display unit 130 displays the inner shape U11 of the storage chamber 111 and the position U12 of the discharge opening 115 in the inner shape U11 of the storage chamber 111. [ Further, the display unit 130 displays a phrase U13 indicating that the storage S blocking the discharge opening is to be moved.

Since the user can not know the position of the discharge port 115 in the storage chamber 111, the display unit 130 displays the position of the discharge port 115 so that the user can easily find the position of the discharge port 115, To move the stored product (S).

FIG. 6 is a view illustrating an internal structure of a refrigerator according to another embodiment of the present invention, and FIG. 7 is a block diagram of a refrigerator according to another embodiment of the present invention.

In another embodiment of the present invention, the sensor unit is an infrared sensor 160 for measuring the distance to the storage S located in front of the discharge port 115. [ The infrared sensor 160 is disposed near the discharge port 115. In this embodiment, the infrared sensor 160 is disposed between the two ejection openings 115, which are spaced apart from the upper center portion of the rear surface of the storage chamber 111.

The infrared sensor 160 detects whether the stored product S exists in front of the discharge opening 115 and measures the distance to the stored product S in front of the discharge opening 115 when the stored product S exists. The infrared sensor 160 transmits the distance to the measured storage S to the controller 190.

The control unit 190 determines whether the stored product S is positioned within a predetermined distance from the front of the discharge port 115 through a distance to the stored product S measured by the infrared sensor 160. [ The control unit 190 determines that the stored product S interrupts the discharge opening 115 when the stored product S is located within a predetermined distance from the discharge opening 115, ) Outside of the barrier force.

5, the control unit 190 displays the position of the discharge port 115 in the storage chamber 111 through the display unit 130 and displays the position of the discharge port 115 of the discharge port 115 by the stored product S To the outside.

6 and 7 are the same as those of the same reference numerals in the refrigerator according to the embodiment of the present invention.

8 is a flow chart of a refrigerator control method according to another embodiment of the present invention.

The door switch 140 detects that the door 120 is opened and then closed (S210). The door switch 140 transmits the opening of the door 120 to the control unit 190 when the door 120 is opened and transmits the closing of the door 120 to the control unit 190 when the door 120 is closed.

When the door switch 140 senses that the door 120 is closed after the door 120 is opened, the infrared sensor 160 detects whether the storage S exists in front of the discharge opening 115. When the storage S exists The distance to the storage S in front of the discharge port 115 is measured (S220). The infrared sensor 160 transmits the distance to the measured storage S to the controller 190.

The control unit 190 determines whether the stored product S is located within a predetermined distance from the front of the discharge port 115 through a distance to the stored product S measured by the infrared sensor 160 at step S230.

The control unit 190 continues to operate the refrigerator 100 in accordance with the set normal operation when it determines that the stored product S is not located within a predetermined distance from the front of the discharge opening 115. [

The control unit 190 determines that the stored product S interrupts the discharge opening 115 when the stored product S is located within a predetermined distance from the discharge opening 115, (S240). ≪ / RTI >

5, the control unit 190 displays the position of the discharge port 115 in the storage chamber 111 through the display unit 130 and displays the position of the discharge port 115 of the discharge port 115 by the stored product S To the outside.

FIG. 9 is a view illustrating an internal structure of a refrigerator according to another embodiment of the present invention, and FIG. 10 is a block diagram of a refrigerator according to another embodiment of the present invention.

In another embodiment of the present invention, the sensor unit is a camera 170 for photographing the front of the discharge port 115. [ The camera 170 is disposed in the vicinity of the discharge port 115. In this embodiment, the camera 170 is disposed between the two ejection openings 115 formed at the upper center portion of the rear surface of the storage chamber 111 and spaced apart from each other. Preferably, the camera 170 is a stereo vision camera capable of three-dimensionally capturing a forward image.

The camera 170 photographs the front of the discharge port 115. The camera 170 transmits the captured forward image of the ejection opening 115 to the control unit 190.

The control unit 190 determines whether the storage S blocking the discharge opening 115 is recognized in the forward image of the discharge opening 115 taken by the camera 170. [ The control unit 190 analyzes the forward image of the discharge port 115 captured by the camera 170 and determines that the stored product S is blocking the discharge port 115 when recognizing the stored product S blocking the discharge port 115 Thereby informing the outside of the diaphragm force of the discharge port 115 by the stored product S. In this embodiment, the display unit 130 displays the storage S intercepting the discharge opening 115 and displays the barrier force of the discharge opening 115 by the storage S. A detailed description thereof will be given later with reference to Fig.

9 and 10 are the same as those of the same reference numerals of the refrigerator according to the embodiment of the present invention, and the description thereof is omitted.

11 is a flowchart of a refrigerator control method according to another embodiment of the present invention.

The door switch 140 detects that the door 120 is opened and then closed (S310). The door switch 140 transmits the opening of the door 120 to the control unit 190 when the door 120 is opened and transmits the closing of the door 120 to the control unit 190 when the door 120 is closed.

When the door switch 140 senses that the door 120 is closed after the door 120 is opened, the camera 170 photographs the front of the discharge port 115 (S320). The camera 170 transmits the captured forward image of the ejection opening 115 to the control unit 190.

The control unit 190 determines whether the storage S blocking the discharge opening 115 is recognized in the front image of the discharge opening 115 captured by the camera 170 at step S330.

The control unit 190 continues to operate the refrigerator 100 according to the set normal operation if the storage S blocking the discharge opening 115 is not recognized in the front image of the discharge opening 115. [

The control unit 190 determines that the stored product S obstructs the discharge port 115 when recognizing the stored product S that interrupts the discharge port 115, (S340). In this embodiment, the display unit 130 displays the storage S intercepting the discharge opening 115 and displays the barrier force of the discharge opening 115 by the storage S. A detailed description thereof will be given later with reference to Fig.

FIG. 12 is a screen for displaying the diaphragm force of the discharge port according to another embodiment of the present invention.

The control unit 190 displays the barrier force of the discharge port 115 on the display unit 130 as shown in FIG. 12 when the storage S installed in the storage chamber 111 is judged to be blocking the discharge opening 115.

The display unit 130 displays a forward image U21 of the ejection opening 115 captured by the camera 170 and displays a storage S interrupting the ejection opening 115. [ The control unit 190 performs a marking operation S22 on the storage S interrupting the discharge opening 115 of the front image U21 of the discharge opening 115 by the augmented reality technique. Further, the display unit 130 displays a phrase U23 indicating that the storage S blocking the discharge opening is to be moved.

The user can easily recognize that the storage S having the mark S22 is blocking the discharge opening 115 and move the storage S22.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

110: main body 111: storage room
112: shelf 115: outlet
120: Door 130: Display
140: Door switch 160: Infrared sensor
170: camera 190:
S: Storage

Claims (17)

A main body having a storage chamber formed therein;
A discharge port for discharging cold air into the storage chamber;
A camera disposed in the vicinity of the ejection opening for capturing an image of the ejection opening in front of the ejection opening for detecting a diaphragm force of the ejection opening by the stored object stored in the storage chamber;
A control unit for analyzing the front image taken by the camera and determining whether the discharge port is blocked by the discharge port according to whether the discharge port is recognized or not, and informing the outside of the discharge port; And
And a display unit for displaying a diaphragm force of the discharge port,
Wherein the control unit displays the forward image captured by the camera on the display unit when it is determined that a part of the stored product obstructs the ejection opening, Marked refrigerator. The method according to claim 1,
A door connected to the main body and opening / closing the storage chamber; And
Further comprising a door switch for detecting whether the door is opened or closed,
Wherein the controller determines whether the door switch is open or closed when the door switch is closed after the door is opened. delete The method according to claim 1,
Wherein the display unit displays the position of the discharge port in the storage chamber. delete The method according to claim 1,
A fan for allowing the discharge port to flow in the cool air so as to discharge the cool air;
A motor for rotating the fan; And
And a motor driving unit for controlling the motor and sensing a load current of the motor. The method according to claim 6,
Wherein the control unit judges whether the load current of the motor sensed by the motor driving unit is abnormal and judges whether or not the outlet of the motor is a barrier force. The method according to claim 1,
Further comprising an infrared sensor for measuring a distance to the storage located in front of the discharge port. 9. The method of claim 8,
Wherein the control unit determines whether a storage object is located within a predetermined distance from the front of the discharge port through a distance to the storage measured by the infrared sensor to determine whether the discharge port has a barrier. delete delete Detecting that the door for opening and closing the storage room accommodating the stored product is opened and then closed;
And a controller for analyzing a front image photographed by a camera disposed in the vicinity of the discharge port and photographing the front of the discharge port to judge whether or not the stored product is recognized by intercepting the discharge port ; And
Displaying the forward image photographed by the camera on the display unit when the part of the stored product is judged to be obstructing the discharge opening and marking the stored product which is intercepting the discharge opening of the forward image by the augmented reality technique / RTI > 13. The method of claim 12,
And displaying the position of the discharge port in the storage room on the display unit. delete 13. The method of claim 12,
Further comprising the step of driving the motor to rotate a fan that flows cool air through the discharge port after sensing that the door is opened and closed,
Wherein the step of determining the diaphragm force of the discharge port determines that the stored product is blocking the discharge opening when the load current of the motor is abnormal. 13. The method of claim 12,
Further comprising the step of measuring a distance to the storage in front of the discharge port after sensing that the door is opened and closed,
Wherein the step of determining the diaphragm force of the discharge port determines that the stored product is blocking the discharge opening when the stored product is located within a predetermined distance from the discharge opening. delete
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KR100430296B1 (en) * 2002-01-17 2004-05-04 엘지전자 주식회사 Method for control cool air of refrigerator using to digital camara
JP2011208902A (en) * 2010-03-30 2011-10-20 Panasonic Corp Refrigerator

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