KR101607544B1

KR101607544B1 - Automatic power-saving refrigerator double doors opening

Info

Publication number: KR101607544B1
Application number: KR1020140044866A
Authority: KR
Inventors: 임규수
Original assignee: 임규수
Priority date: 2014-04-15
Filing date: 2014-04-15
Publication date: 2016-03-31
Also published as: KR20150118793A; CN106255859A; WO2015160161A1

Abstract

The present invention relates to a refrigerator which is capable of automatically cooling indoor parts only when the outer door is opened without lowering the cooling efficiency which minimizes the outflow of the surfaces of food and containers stored in the storage room and the cooled air, The present invention relates to an automatic opening and closing double-door power saving refrigerator in which power consumed to reduce power consumption is minimized,
1. A refrigerator comprising a storage room for storing foodstuffs, an inner door of a transparent material for blocking the outflow of cool air from the storage room, and an outer door provided outside the inner door to seal off the storage room, An automatic door open / close dual-door power saving system comprising a door opening and closing operation for sliding up and down the door, a lifting and lowering driving unit for lifting and lowering the inside door, and a sensor for detecting the opening and closing of the external door at one side of the storage chamber. Provide refrigerator.

Description

Automatic power-saving refrigerator double doors opening

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a refrigerator having a double door closed to minimize the outflow of cooled food, The present invention relates to an automatic opening / closing dual-mode power saving refrigerator in which the inside of the storage compartment is automatically closed so that the internal temperature of the storage compartment is not raised, thereby minimizing power consumption for re-cooling.

Generally, a refrigerator is used to store food for a long time without damaging it.

In particular, a refrigerator used in a home or a restaurant frequently closes the refrigerator door to take out the foodstuffs stored therein, and at the same time, the air that has been cooled in the refrigerator flows out to the outside, When the refrigerator is closed again, there is a problem that the refrigerator immediately operates in the cooling operation to consume excessive power in order to lower the temperature of the raised storage compartment and food.

In this case, a refrigerator has been developed which is made of transparent material so that the front surface of the storage room can be separately opened and closed. However, the refrigerator is positioned between the storage room and the outside door and is hinged like a foreign object.

However, in the inner part of the transparent case, the storage room is closed like the outer door with the outer door being closed. This serves to prevent the circulation of the cooled air to the basket provided inside the outside door, The freshness of the food can not be maintained even if the food can be preserved for a long time.

2019830002696, 2019850005410, 1020020021992

Disclosure of the Invention The present invention has been made in order to solve the problems of the conventional refrigerator as described above. It minimizes the outflow of the cooled air when the outer door of the refrigerator is opened, and the increase of the surface temperature of the food, storage container, The present invention provides an automatic opening / closing double-door power saving refrigerator which can circulate refrigerated air smoothly when the outside door is closed, minimizes power consumption unnecessarily consumed while maintaining the freshness of foodstuffs at the highest level .

In order to accomplish the object of the present invention, there is provided a refrigerator comprising a storage room for storing foodstuffs, an inner door of a transparent material for preventing the cool air from flowing out of the storage room, and an outer door provided outside the inner door to seal the storage room Wherein the inner section is provided at a lower portion of the partition plate and has an inner door that is slidably moved up and down and a lifting and lowering drive portion that moves up and down the inner portion, And a detection sensor for sensing the temperature of the refrigerator.

In the present invention, when the outer door is opened, the detection sensor senses this, and the inner part performs an operation of shutting off the storage room, so that the outflow of the cooled air in the storage room is minimized so that the food, So that the cooling operation for lowering the temperature of the storage chamber when the outer door is closed does not take a long time and the power consumption is reduced.

In addition, the inner part is operated in the opposite direction to the outer door so that the storage room is kept open when the outer door is closed, so that the cool air is not obstructed in circulating to the basket provided inside the outer door.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view of a refrigerator according to the present invention,
2 is a cross-sectional view showing the configuration of the present invention
3 is a bottom view showing the configuration of the present invention;
4 is a schematic configuration diagram of the present invention
5 is a cross-sectional view of another embodiment of the present invention

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

The present invention relates to a refrigerator which is provided in a storage room (11) of a refrigerator (10) and is provided with an outer door (11) which shields an opened front face of a storage room (11) so that cooled air in the storage room (11) The internal section 100 is configured to operate in the opposite direction to that of the internal section 20.

The internal section 100 includes a lifting and lowering driving part 110 formed at a lower part of a partition plate 12 partitioning the storage room 11 and a lifting and lowering door 120 lifted and lowered by the lifting and lowering driving part 110, A sensing sensor 130 for detecting the opening or closing of the outer door 20 and a control unit 140 for controlling the driving of the driving motor 111.

The lifting and lowering driving unit 110 is positioned below the center of the lifting and lowering door 120 and is driven under the control of the controller 140 to drive the lifting and lowering door 120.

The lifting and lowering driving unit 110 includes a driving motor 111 rotating according to the detection of the sensing sensor 130, a screw conveying shaft 112 rotated by the driving motor 111, And a guide portion 113 for guiding the lift-off door 120 to be lowered.

The guide part 113 is formed by bending a horizontal guide 113a and a vertical guide 113b so as to guide the lifting and lowering door 120 moving back and forth along the screw conveying shaft 112 to the front of the storage room 11 And a conveyance sensing switch 114 for controlling the driving of the driving motor 111 is provided at the ends of the horizontal guide 113a and the vertical guide 113b and attached to both side walls of the storage chamber 11.

The upper and lower blocking doors 120 are formed of polypropylene which is a transparent material that can be bent and are fastened to the screw shafts 112 at the lower both sides of the rear side and are conveyed back and forth in accordance with the rotation of the screw shafts 112. [ A magnet 122 is provided to be adhered to the storage compartment for blocking the airtightness when the upper part of the top center part is raised, The handle 123 is formed so that the handle 123 can be opened and opened.

The control unit 140 controls the drive of the drive motor 111 in the forward and reverse directions according to the detection signals of the detection sensor 130 and the feed detection switch 114.

FIG. 5 illustrates another embodiment of the present invention. In order to reduce noise caused by the movement of the screw shaft, The lifting and lowering driving unit 110 for moving the lifting and lowering door 120 back and forth includes a driving motor 111 having a driving roll 111a, And a movable string 111b coupled to the fixed end 120a provided at the drive roll 111a at regular intervals in both forward and backward directions.

The operation of the present invention will now be described.

The present invention detects the opening and closing of the outer door 20 by the sensing sensor 130 provided at one side of the storage room 11 by opening and closing the outer door 20 and signals the controller 140 to receive the signal. The control unit 140 operates to forwardly or reversely rotate the driving motor 111 to open and close the opening surface of the storage chamber 11 to the elevation shutoff door 120 made of a transparent material.

When the outer door 20 is opened, the lifting / lowering door 120 is closed so as not to escape the cooled air from the storage chamber 11, The food stored in the storage room 11 is searched through the transparent lifting / lowering door 120, and then the food is taken out by opening only the lift / lowering door 120 at a desired position, so that the outflow of the cooled air can be minimized .

When the screw shaft 112 rotates in accordance with the rotation of the driving motor 111 to move the elevating and closing door 120 coupled to the screw conveying shaft 112, The upper end of the lifting / lowering door 120 is lifted up to a conveyance detecting switch 114 provided at the upper end of the vertical guide, When it is detected, it sends a signal to the control unit 140 to stop the driving of the driving motor 111.

In addition, when the outer door 20 is closed, the detection sensor 130 senses the rotation of the driving motor 111 to rotate the driving motor 111 in a reverse direction to cause the door 120 to be lowered, When the internal section 20 is detected by the conveyance detecting switch 114 provided at the rear end of the lifting / lowering door 120, the control unit 140 is notified of the completion of the lowering operation of the lifting / do.

According to another embodiment of the present invention, when the drive motor 111 is driven under the control of the controller 140, the movable string 111b wound on the drive roll 111a is transferred back and forth, So that the noise of the fricatives transmitted by the fingers is not generated.

As described above, the present invention comprises the internal part 100 and the external door 20 so that the internal part 100 is operated in reverse to the opening and closing operations of the external door 20, so that the outflow of the cooled air is minimized, The lifting and lowering door 120 opens the storage chamber 11 so that the space of the basket provided in the storage chamber 11 and the outer door 20 is not partitioned so that the circulation of the cooled air is smoothly performed .

10: refrigerator 11: storage room 12: partition plate
20: External door
100: internal section 110: elevator opening 111: drive motor
112: screw shaft 113: guide portion 113a: horizontal guide
113b: vertical guide 114: feed detection switch
115: guide shaft
120: lift-off blocking door 121:
130: Detection sensor
140:

Claims

In a refrigerator having a double door,
The internal unit 100 includes an elevation driving unit 110 formed at a lower portion of a partition plate 12 partitioning the storage chamber 11, a lifting / lowering door 120 operated to be lifted and lowered by the lifting and lowering driving unit 110, A detection sensor 130 for detecting the opening or closing of the outer door 20 and a control unit 140 for controlling the driving of the driving motor 111,
The lifting and lowering driving unit 110 includes a driving motor 111 rotating according to the detection of the sensing sensor 130, a screw conveying shaft 112 rotated by the driving motor 111, And a guide portion (113) for guiding the inner section (100) to be lowered,
The guide part 113 has a horizontal guide 113a and a vertical guide 113b integrally bent so as to guide the lifting and lowering door 120 moving back and forth along the screw conveying shaft 112 to the front of the storage room 11 And a conveyance detecting switch 114 is installed at the ends of the horizontal guide 113a and the vertical guide 113b to detect the conveyance of the elevator blocking door 120. [

In a refrigerator having a double door,
The internal unit 100 includes an elevation driving unit 110 formed at a lower portion of a partition plate 12 partitioning the storage chamber 11, a lifting / lowering door 120 operated to be lifted and lowered by the lifting and lowering driving unit 110, A detection sensor 130 for detecting the opening or closing of the outer door 20 and a control unit 140 for controlling the driving of the driving motor 111,
The lifting and lowering driving unit 110 includes a fixed end 120a provided at the rear end and a front end of the lifting and lowering door 120 with a predetermined interval therebetween and a fixed end 120b positioned between the fixed end and the detection sensor 130 A movable string 111b wound on the driving roll 111a and fixed to both side fixed ends 120a so as to be fixed to both side ends of the driving rod 111a, And a guide portion 113 for guiding the inner section 100 which is moved up and down along the movable line 111b which is wound around the roll 111a and moved back and forth,
The guide part 113 is formed by integrally bending a horizontal guide 113a and a vertical guide 113b so as to guide the lifting and lowering door 120 moving back and forth to the front of the storage room 11, And the vertical guide 113b is provided at the end of the vertical guide 113b with a conveyance detecting switch 114 for sensing the conveyance of the elevator blocking door 120. [