KR20090049236A - Cooling duct system for refrigerator - Google Patents

Cooling duct system for refrigerator Download PDF

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Publication number
KR20090049236A
KR20090049236A KR1020070115415A KR20070115415A KR20090049236A KR 20090049236 A KR20090049236 A KR 20090049236A KR 1020070115415 A KR1020070115415 A KR 1020070115415A KR 20070115415 A KR20070115415 A KR 20070115415A KR 20090049236 A KR20090049236 A KR 20090049236A
Authority
KR
South Korea
Prior art keywords
cold air
air duct
refrigerator
shelf
food
Prior art date
Application number
KR1020070115415A
Other languages
Korean (ko)
Inventor
이창호
Original Assignee
주식회사 대우일렉트로닉스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 대우일렉트로닉스 filed Critical 주식회사 대우일렉트로닉스
Priority to KR1020070115415A priority Critical patent/KR20090049236A/en
Publication of KR20090049236A publication Critical patent/KR20090049236A/en

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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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D17/062—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 in household refrigerators
    • 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
    • F25D17/08—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 using ducts
    • 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
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0682—Two or more fans
    • 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
    • F25D2700/06—Sensors detecting the presence of a product

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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 cold air duct system for a refrigerator.

The present invention is to detect the inclination of the shelf by the cold air duct formed in the refrigerator, the plurality of blowing fans provided inside the cold air duct, the food is installed on one side of the shelf and placed on one side of the shelf so that the cold air of the freezer compartment is delivered to the refrigerating compartment. It includes a tilt sensor, and a control unit for operating a blowing fan in close proximity to the inclined portion based on the signal transmitted by the tilt sensor.

By installing the cold air duct system having the above configuration in the refrigerator, the direction of the food stored in the refrigerating compartment can be adjusted according to the location, so that the food can be rapidly cooled, thereby greatly improving the cooling efficiency, and required to cool the food. It is possible to greatly shorten the time it takes, and there is an effect that can be stored fresh for a long time.

Cold Air Duct, Tilt Sensor, Weight Sensor, Infrared Sensor, Light Sensor

Description

Cold air duct system for refrigerator {COOLING DUCT SYSTEM FOR REFRIGERATOR}

The present invention relates to a cold air duct system for a refrigerator, and more particularly to a cold air duct system for a refrigerator that can adjust the direction of the cold air supplied through the duct according to the location of the food stored in the refrigerator compartment.

In general, the refrigerator cools or stores the food stored therein for a long time without deterioration by cooling the air in the refrigerator using a cooling cycle.

As shown in FIG. 1, the conventional refrigerator includes a main body 10 forming a storage space separated into a refrigerating chamber 11 and a freezing chamber 12, and mounted at one side of the main body 10 to have a refrigerating chamber ( 11) and a door 20 that opens and closes the freezer compartment 12.

And the refrigerating chamber 11 and the freezing chamber is provided with a shelf 30 for easier storage of food.

That is, the shelf 30 is slidably installed on the inner wall of the refrigerating chamber 11 and the freezing chamber 12, and when the article is placed on the upper surface, the shelf 30 is deformed by the load of the article, and thus, the shelf 30 is formed of tempered plastic or made of tempered glass.

In addition, a mechanical device (not shown) having a refrigerating cycle for cooling the refrigerating chamber 11 and the freezing chamber 12 is installed at the rear side of the main body 10, and the mechanical apparatus includes a compressor, a condenser, an evaporator, and the like. It is.

In addition, the refrigerating compartment 11 and the freezing compartment 12 are connected via a cold air duct system 40, and the cold air duct system 40 connects the refrigerating compartment 11 and the freezing compartment 12 to the cold air duct 41. And a blowing fan 42 installed in the cold air duct 41.

That is, the mechanical device cools the refrigerant through a compressor and a condenser, and the cooled refrigerant absorbs the heat of the freezing chamber 12 while passing through the evaporator to keep the freezing chamber 12 at a low temperature, and the cold air of the freezing chamber 12. Some of the air flows into the refrigerating chamber 11 after passing through the cold air duct 41 by the blowing fan 42 to keep the refrigerating chamber 11 at a low temperature.

Therefore, the food is stored at a low temperature through the refrigerator having the above structure.

However, since the cold air duct system of the refrigerator having the above structure always supplies cold air in the same wind direction regardless of the location of the food stored in the refrigerating chamber, a lot of time is required for food stored at a location where the cold air cannot be supplied. There was a problem that takes, and accordingly there was a problem that deterioration or greatly reduced freshness.

The present invention has been made to solve the above problems, an object of the present invention is to provide a refrigerator cold air duct system that can adjust the direction of the cold air according to the location of the food stored in the refrigerator compartment.

The first invention of the refrigerator cold air duct system of the present invention for achieving the above object is a cold air duct formed in the refrigerator so that the cold air of the freezer compartment is delivered to the cold compartment, a plurality of blowing fans provided inside the cold duct, one side of the shelf A tilt detection sensor installed on the shelf and detecting the inclination of the shelf by food placed on one side of the shelf, and a control unit for operating a blowing fan close to the inclined portion based on a signal transmitted by the tilt detection sensor. It is characterized by.

In addition, the second invention of the refrigerator cold air duct system of the present invention is a cold air duct formed in the refrigerator so that the cold air in the freezer compartment is delivered to the cold compartment, a plurality of blowing fans provided inside the cold duct, one side of the shelf is installed on one side of the shelf Weight control sensor for detecting the weight of the food is placed, characterized in that it comprises a control unit for operating a blowing fan in close proximity to the detection signal based on the signal transmitted by the weight sensor.

In addition, the third invention of the refrigerator cold air duct system of the present invention is a cold air duct formed in the refrigerator so that the cold air in the freezer compartment to the cold compartment, a plurality of ventilation fans provided inside the cold air duct, a plurality of light emission installed on the back of the door An optical sensor installed on the inner surface of the refrigerator and the refrigerating chamber and having a plurality of sensing units for detecting an output signal of the light emitting unit, and a blower fan that is close to a portion where an output signal is not detected based on a signal transmitted by the optical sensor. It characterized in that it comprises a control unit to make.

In addition, the fourth invention of the refrigerator cold air duct system of the present invention is a cold air duct formed in the refrigerator so that the cold air of the freezer compartment is delivered to the cold compartment, a plurality of blowing fans provided in the cold air duct, the refrigerator is installed on the top of the storage of food Including an infrared sensor for detecting whether or not, and a control unit for operating a blowing fan in close proximity to the detection signal based on the signal transmitted by the infrared sensor.

By installing the cold air duct system having the above configuration in the refrigerator, the direction of the food stored in the refrigerating compartment can be adjusted according to the location, so that the food can be rapidly cooled, thereby greatly improving the cooling efficiency, and required to cool the food. It is possible to greatly shorten the time it takes, and there is an effect that can be stored fresh for a long time.

The refrigerator according to the present invention includes a main body 100 forming a storage space separated into a refrigerating chamber 110 and a freezing chamber 120 therein, and mounted on one side of the main body 100 to have a refrigerating chamber 110 and a freezing chamber 120. It includes a door 200 for opening and closing the.

In addition, the refrigerating chamber 110 and the freezing chamber 120 is provided with a shelf 300 for easier storage of food.

In addition, the rear of the main body 100 is provided with a mechanical device (not shown) having a refrigeration cycle for cooling the freezer compartment 120, the mechanical device is composed of a compressor, a condenser and an evaporator.

In addition, the main body 100 is provided with a cold air duct system 400 for cooling the refrigerating chamber 110 by using the cold air of the freezing chamber 120.

Hereinafter, with reference to Figures 2 to 5 attached to the refrigerator cold air duct system according to the present invention.

As shown in FIG. 2, the first invention of the cold air duct system for a refrigerator according to the present invention includes a cold air duct 410, a blowing fan 420, a tilt sensor 430, and a control unit 440.

The cold air duct 410 is a passage for allowing cold air of the freezing compartment 120 to be delivered to the refrigerating compartment 110. The cold air duct 410 is formed in an up and down direction inside the main body 100, and has an inflow hole at the top thereof to communicate with the freezing compartment 120. Is formed, the cold air injection hole 411 for injecting cold air into the refrigerating chamber 110 is formed at the bottom.

The blowing fan 420 is for greatly improving the amount of cold air supplied, and are respectively installed left and right inside the inflow hole of the cold air duct 410.

The tilt sensor 430 is installed to be built in the center of the shelf 300 to detect that one side of the shelf is inclined.

That is, the tilt detection sensor 430 is inclined while one side of the shelf 300 is lowered by the load of the food when the food is placed on one side of the shelf 300, the tilt detection sensor 430 is tilted It detects and outputs a signal.

The control unit 440 detects a signal output from the tilt detection sensor 430 and operates by supplying power to the blower fan 420 near the inclined portion of the shelf 300.

Referring to the operating state of the refrigerator cold air duct system having the configuration as described above are as follows.

First, when the food is placed on the left side of the shelf 300, the left side of the shelf 300 is inclined downward by the load of the food.

At this time, the inclination detection sensor 430 detects that the left side of the shelf 300 is inclined and transmits a detection signal to the control unit 440, the control unit 440 and the left side of the shelf 300 As the left blower fan 420 is operated close to each other, as the left blower fan 420 is operated, more cold air is supplied to the left side of the cold air duct 410 so that the left cold air spray hole 411 of the cold air duct 410 is operated. ) To cool the food metal with more cold air.

On the other hand, when the food is placed on the left and right of the shelf 300, the tilt sensor 430 emits an output signal that both the left and right of the shelf 300 is tilted, accordingly, the control unit 440 is left And both the right blowing fan 420 are operated.

Hereinafter, in describing another invention of the cold air duct system for a refrigerator according to the present invention, the same reference numerals are used for components having the same configuration and function as the first invention described above, and redundant descriptions thereof will be omitted.

The second invention of the cold air duct system 400 'for a refrigerator according to the present invention is a weight detection sensor 450 capable of detecting the weight of the food placed on one side of the inclination sensor 430 of the first invention described above ).

As shown in FIG. 3, the second invention of the cold air duct system 400 ′ for the refrigerator is installed on the left and right sides of the cold air duct 410, the blowing fan 420, and the shelf 300, and is mounted on the shelf 300. It includes a weight sensor 450 for sensing the weight of the food being placed and a control unit 440 for operating the blowing fan 440 in close proximity to the detection signal based on the signal transmitted by the weight sensor 450 do.

That is, when the food is placed on the left side of the shelf 300, the weight sensor 450 having the left side of the shelf 300 senses the weight of the food and transmits an output signal to the control unit 440. The unit 440 operates the left blowing fan 420 near the left side of the shelf 300 based on the output signal, and moves to the left side of the cold air duct 410 as the left blowing fan 420 operates. As more cold air is supplied, more cold air is injected through the left cold air injection hole 411 of the cold air duct 410, thereby rapidly cooling the food.

The third invention of the cold air duct system 400 "for the refrigerator according to the present invention detects the light blocking state by food placed on one side of the shelf 300 of the above-described tilt sensor 430 of the first invention. It is replaced by the optical sensor 460.

As shown in FIG. 4, a third invention of the cold air duct system 400 ″ for a refrigerator includes a plurality of light emitting parts 461 installed on the rear surface of the cold air duct 410, the blowing fan 420, and the door 200. And an optical sensor 460 installed on an inner surface of the refrigerating chamber 110 and having a plurality of sensing units 462 for sensing an output signal of the light emitting unit 461, and a signal transmitted by the optical sensor 460. It includes a control unit 440 for operating the blowing fan 420 in close proximity to the portion where the output signal is undetected.

That is, when there is no food on the shelf 300, the sensing unit 462 detects light emitted from the light emitting unit 461, and transmits an output signal indicating that there is no food on the shelf 300 to the control unit 440. Therefore, the control unit 440 does not drive the blowing fan 420.

Subsequently, when the food is placed on one side of the shelf 300, the connection between the light emitting unit 461 and the sensing unit 462 on which the food is placed is blocked, and the control unit 440 detects the blocked signal. The blower fan 420 close to the blocked portion is operated, and as the blower fan 420 operates, more cold air is injected through one cold air spray hole 411 of the cold air duct 410, thereby rapidly cooling food. do.

Here, in the state in which the door 200 is opened, the optical sensor 460 is maintained in an inoperative state by the control of the control unit 440.

The fourth invention of the cold air duct system 400 ″ ′ for a refrigerator according to the present invention replaces the above-described tilt sensor 430 of the first invention with an infrared sensor 470 for detecting whether food is stored.

The fourth invention of the refrigerator cold air duct system 400 "'is installed on the cold air duct 410, the blowing fan 420, the refrigerating compartment 110, the infrared sensor 470 for detecting whether or not to store food, and the It includes a control unit 440 for operating the blowing fan 420 in close proximity to the detection signal based on the signal transmitted by the infrared sensor 470.

That is, when the food is placed on the left side of the shelf 300, the infrared sensor 470 detects whether the food is stored and then transmits it to the control unit 440, and the control unit 440 based on the output signal. By operating the left side blow fan 420 adjacent to the left side of the shelf 300, as the left side blow fan 420 is operated, more cold air is supplied to the left side of the cold air duct 410, the cold air duct ( More cold air is injected through the left cold air injection hole 411 of 410 to rapidly cool the food.

1 is a view showing a conventional cold air duct system for a refrigerator.

2 is a view showing a cold air duct system for a refrigerator according to the first invention.

3 is a view showing a cold air duct system for a refrigerator according to the second invention.

4 is a view showing a cold air duct system for a refrigerator according to the third invention.

5 is a view showing a cold air duct system for a refrigerator according to the fourth invention.

<Explanation of symbols for the main parts of the drawings>

100: body 110: refrigerator

120: freezer 200: door

300: shelf 400,400 ', 400 ", 400"': cold air duct system

410: cold air duct 420: blowing fan

430: tilt detection sensor 440: control unit

450: weight sensor 460: light sensor

461: light emitting unit 462: detection unit

470: Infrared Sensor

Claims (5)

A cold air duct formed in the refrigerator so that cold air from the freezer compartment is transferred to the cold compartment, A plurality of blowing fans provided inside the cold air duct, Tilt detection sensor for detecting the inclination of the shelf by the food is installed on one side of the shelf and placed on one side of the shelf, and Refrigerating air duct system for a refrigerator comprising a control unit for operating a blowing fan in close proximity to the inclined portion based on the signal transmitted by the tilt sensor. A cold air duct formed in the refrigerator so that cold air from the freezer compartment is transferred to the cold compartment, A plurality of blowing fans provided inside the cold air duct, A weight sensor installed on one side of the shelf and sensing the weight of the food placed on one side of the shelf; Refrigerating air duct system for a refrigerator, characterized in that it comprises a control unit for operating a blowing fan in close proximity to the detection signal based on the signal transmitted by the weight sensor. A cold air duct formed in the refrigerator so that cold air from the freezer compartment is transferred to the cold compartment, A plurality of blowing fans provided inside the cold air duct, An optical sensor having a plurality of light emitting parts provided on a rear surface of the door and a plurality of sensing parts provided on an inner surface of the refrigerating compartment and detecting an output signal of the light emitting part; Refrigerating air duct system for a refrigerator, characterized in that it comprises a control unit for operating the blowing fan in close proximity to the portion of the output signal based on the signal transmitted by the optical sensor. A cold air duct formed in the refrigerator so that cold air from the freezer compartment is transferred to the cold compartment, A plurality of blowing fans provided in the cold air duct, An infrared sensor installed at the top of the fridge to detect food storage; and Refrigerating air duct system for a refrigerator comprising a control unit for operating a blowing fan in close proximity to the detection signal based on the signal transmitted by the infrared sensor. The method according to any one of claims 1 to 4, The blowing fan is installed on the left and right inside the cold air duct, respectively Refrigerating air duct system for a refrigerator, characterized in that a plurality of cold air injection holes are formed in the longitudinal direction on the left and right sides of the cold air duct located in the refrigerating compartment.
KR1020070115415A 2007-11-13 2007-11-13 Cooling duct system for refrigerator KR20090049236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070115415A KR20090049236A (en) 2007-11-13 2007-11-13 Cooling duct system for refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070115415A KR20090049236A (en) 2007-11-13 2007-11-13 Cooling duct system for refrigerator

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KR20090049236A true KR20090049236A (en) 2009-05-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900325A (en) * 2014-04-14 2014-07-02 合肥美菱股份有限公司 Multi-fan refrigerator air channel
KR20210012510A (en) 2019-07-25 2021-02-03 주식회사 스타리온성철 Cool air circulation system for refrigerator
KR20210012461A (en) 2019-07-25 2021-02-03 주식회사 스타리온성철 Cool air circulation duct for refrigerator
CN112696853A (en) * 2019-10-23 2021-04-23 青岛海尔特种电冰柜有限公司 Refrigerator and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900325A (en) * 2014-04-14 2014-07-02 合肥美菱股份有限公司 Multi-fan refrigerator air channel
CN103900325B (en) * 2014-04-14 2016-08-17 合肥美菱股份有限公司 A kind of multi-fan refrigerator air duct
KR20210012510A (en) 2019-07-25 2021-02-03 주식회사 스타리온성철 Cool air circulation system for refrigerator
KR20210012461A (en) 2019-07-25 2021-02-03 주식회사 스타리온성철 Cool air circulation duct for refrigerator
CN112696853A (en) * 2019-10-23 2021-04-23 青岛海尔特种电冰柜有限公司 Refrigerator and control method thereof

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