CN1208164A - Refrigerator having exclusive cooling apparatus for refreshing chamber - Google Patents

Refrigerator having exclusive cooling apparatus for refreshing chamber Download PDF

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Publication number
CN1208164A
CN1208164A CN98103353A CN98103353A CN1208164A CN 1208164 A CN1208164 A CN 1208164A CN 98103353 A CN98103353 A CN 98103353A CN 98103353 A CN98103353 A CN 98103353A CN 1208164 A CN1208164 A CN 1208164A
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CN
China
Prior art keywords
fresh
chamber
refrigerator
keeping
keeping chamber
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN98103353A
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Chinese (zh)
Inventor
金镇焕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co Ltd
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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of CN1208164A publication Critical patent/CN1208164A/en
Pending legal-status Critical Current

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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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • 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
    • 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
    • F25D2400/28—Quick cooling

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

A refrigerator comprises a refreshing chamber separately disposed in a chill chamber and a thermoelectric module contacts with the predefined outer surface of the refreshing chamber to cooling the air in the refreshing chamber. The cold end of the thermoelectric module contacts with one surface of the refreshing chamber and the hot end of the thermoelectric module contacts with the circumambience of the refreshing chamber. A pipe extends to the compressor from the evaporator is contacting with the hot end of the thermoelectric module, and the smell can be prevented from being filter into the refreshing chamber in this way, and the efficiency of the thermoelectric module can be improved.

Description

Refrigerator with exclusive cooling apparatus for refreshing chamber
The present invention relates to have the refrigerator of fresh-keeping chamber.More particularly, the fresh-keeping chamber that refrigerator had that the present invention relates to heat exchange in it is to be undertaken by aiming at the electrothermal module that fresh-keeping chamber establishes.
Fig. 3 shows the refrigerator with common fresh-keeping chamber, has disclosed its general structure in United States Patent (USP) No. 5388427 and No. 5392615.This refrigerator comprises refrigerating chamber 40 and refrigerating chamber 30, and the two by dividing plate 100 separately.Have cold air path 110 in the rear wall of refrigerating chamber 40, this passage is used to receive the cold air that circulates by dividing plate 100 in chamber 30,40.Be furnished with evaporimeter 20 in cold air path 110, it is used for carrying out heat exchange with the air of admission passage 110.The fan (not shown) is arranged in the top of evaporimeter 20.That is to say that fan is arranged in the downstream of cold air flow direction.The cold air that flows through evaporimeter 20 is by being arranged in the air conduit 31 of evaporimeter 20 back, downwards towards refrigerating chamber 30 diffluences.
In addition, a conduit cover plate 33 is arranged, some openings 34 are arranged on it in the back of refrigerating chamber 30, by these openings, the food storage area that cold air enters refrigerating chamber 30 from the air conduit 32 that links to each other with air conduit 31.Also have, fresh-keeping chamber 35 is positioned at the top of refrigerating chamber 30, has constituted a space with refrigerating chamber 30 relative isolation, can store meat etc. herein under colder temperature.The heat exchange of cold air is arranged in refrigerating chamber 30 and fresh-keeping chamber 35.Then, flow to evaporimeter 20 from the air of heat in refrigerating chamber 40, refrigerating chamber 30 and the fresh-keeping chamber 35 by dividing plate 100.The energy of flow repeatedly by this air makes the temperature of food storing chamber remain on a suitable low temperature.Label 50 is compressors, is used for compressing the low evaporation point saturated vapor or the working medium that will enter the condenser (not shown).
Yet because fresh-keeping chamber is incomplete and other chambers isolate, the food smell that is stored in other chambers will penetrate into fresh-keeping chamber.These smells can infilter in the food of fresh-keeping chamber.Because the temperature of fresh-keeping chamber depends on the control of evaporimeter, can not guarantee that therefore fresh-keeping chamber has reliable temperature control in addition.The problem of Cun Zaiing is like this: fresh-keeping chamber can not continue to keep fresh.
An object of the present invention is to provide a kind of like this refrigerator: have special cooling device in its fresh-keeping chamber, to address the above problem.
Another object of the present invention provides a kind of like this refrigerator: it is isolated the fresh-keeping chamber of arranging and has special cooling device, and the smell of other chamber can not infiltrate fresh-keeping chamber like this.
A further object of the present invention provides a kind of like this refrigerator: its fresh-keeping chamber has special cooling device, and it is fresh-keeping to make that fresh-keeping chamber can continue.
Another purpose of the present invention provides a kind of like this refrigerator: its fresh-keeping chamber has special cooling device, and the whole efficiency of cooling device is improved.
In order to reach above-mentioned purpose of the present invention, a kind of refrigerator comprises a refrigerating chamber, one and the separated refrigerating chamber of refrigerating chamber, the cooling device that places the fresh-keeping chamber of refrigerating chamber hermetically and contact and arrange, be used for the cooled fresh-keeping room air with the predetermined outer surface of fresh-keeping chamber.
Above-mentioned cooling device is an electrothermal module.
The cold junction of electrothermal module contacts with a surface of fresh-keeping chamber, and the hot junction of electrothermal module contacts with around the fresh-keeping chamber.
Contact with the hot junction of electrothermal module to the pipe that compressor extends from evaporimeter.
The predetermined outer surface of fresh-keeping chamber is a wall shared with refrigerating chamber.
Fig. 1 is according to back perspective view of the present invention, that the refrigerator of fresh-keeping chamber usefulness cooling device is arranged;
Fig. 2 is in the cross-sectional side view of the fresh-keeping chamber with innovation shown in Figure 1 with the refrigerator of cooling device;
Fig. 3 according to prior art, have the cross-sectional side view of the refrigerator of fresh-keeping chamber.
Fig. 1 and Fig. 2 have set forth a kind of according to refrigerator of the present invention, that fresh-keeping chamber usefulness cooling device is arranged.Below, adopt identical label with the identical parts shown in the prior art.Therefore be described in detail for these component no longer.
Fresh-keeping chamber 60 is arranged in the top of refrigerating chamber 30 isolator.In the rear wall of fresh-keeping chamber 60, arrange a cooling device 10.In this embodiment, cooling device 10 is an electrothermal module, and it is made of hot junction 2 and cold junction 1.One end of thermal conductance piece 3 contacts with a surface of cold junction 1, and the other end of thermal conductance piece 3 puts in fresh-keeping chamber 60 and is exposed in the fresh-keeping chamber 60.On the inner surface of thermal conductance piece 3, can form some cooling ribs (not shown), to increase the heat exchange in the fresh-keeping chamber 60.In addition, in order to improve heat exchange, can adopt aluminium sheet to be installed in the rear wall of fresh-keeping chamber 60, yet preferably all walls of fresh-keeping chamber 60 are made by aluminium sheet.
In cooling device 10 or electrothermal module, hot junction 2 contacts with around the fresh-keeping chamber 60.Be furnished with a pipe 25 on the outer surface in hot junction 2, temperature is about-5 ℃ to 0 ℃ working medium and flows to compressor 50 by this pipe from evaporimeter 20.
Describe below according to of the present invention, have said structure, have the ruuning situation of fresh-keeping chamber with the refrigerator of cooling device.
In normal or main cool cycles, saturated vapor or working medium with low evaporation point enter the condenser (not shown) by compressor 50 compressions.The latent heat of high temperature and high pressure steam looses and gives the external world, becomes liquid.The working medium capillary (not shown) of flowing through reaches low-temp low-pressure, enters evaporimeter 20 then.In evaporimeter 20, working medium is absorbed heat from the food of apotheca 40,30, becomes steam.Repeat such process, just can make the temperature of food in the apotheca 40,30 remain on suitable low temperature.
Be used for the auxiliary or secondary cool cycles of fresh-keeping chamber, the temperature sensor (not shown) is measured temperature in the fresh-keeping chamber 60, is arranged in the signal of the microcomputer (not shown) receiving sensor in the power supply device.If signal is higher than predetermined temperature signal, microcomputer is the switch block (not shown) move instruction in being arranged in power supply device just.The switch block action is to electrothermal module 10 power supplies.
Cold junction 1 turns cold at once, and thermal conductance piece 3 also turns cold.Like this, owing to put in heat exchange between thermal conductance piece 3 and the fresh-keeping chamber 35 interior air in the fresh-keeping chamber 60, just make fresh-keeping chamber 60 be in the state of cooling.
Simultaneously, with hot junction 2 heating of the electrothermal module 10 of cold junction 1 positioned opposite.Heat by cross-ventilation pass to refrigerator around.In addition, owing to the pipe 25 of temperature for-5 ℃ to 0 ℃ contacts with hot junction 2, so heat exchange fast can be carried out in hot junction 2.
At last, when because the special cooling of electrothermal module 10 when making the temperature of fresh-keeping chamber be lower than predetermined value, temperature sensor is measured temperature value, and the power supply unit of reading signal is closed the supply of electric power to electrothermal module.Can in fresh-keeping chamber, keep predetermined chilling temperature like this.
According to the present invention, because fresh-keeping chamber and other chamber isolate, the smell of other chamber can not enter fresh-keeping chamber, is stored in the influence that the interior food of fresh-keeping chamber can not be subjected to these smells.In addition, because cooling device or electrothermal module are specifically designed to the temperature control of fresh-keeping chamber, it is fresh-keeping to make that fresh-keeping chamber can continue.Moreover, since the outer surface in hot junction with contact from the pipe of evaporimeter to the compressor extension, the heat in hot junction is passed to pipe, has improved the efficient of cooling device thus.

Claims (5)

1. refrigerator comprises:
A refrigerating chamber;
One and the separated refrigerating chamber of refrigerating chamber;
A fresh-keeping chamber that places refrigerating chamber hermetically; With
A cooling device that contacts and arrange, be used for the cooled fresh-keeping room air with the predetermined outer surface of fresh-keeping chamber.
2. refrigerator as claimed in claim 1 is characterized in that, cooling device is an electrothermal module.
3. refrigerator as claimed in claim 2 is characterized in that, the cold junction of electrothermal module contacts with a surface of fresh-keeping chamber, and the hot junction of electrothermal module contacts with around the fresh-keeping chamber.
4. refrigerator as claimed in claim 3 is characterized in that, contacts with the hot junction of electrothermal module to the pipe that compressor extends from evaporimeter.
5. refrigerator as claimed in claim 1 is characterized in that, the predetermined outer surface of fresh-keeping chamber is a wall shared with refrigerating chamber.
CN98103353A 1997-07-31 1998-07-13 Refrigerator having exclusive cooling apparatus for refreshing chamber Pending CN1208164A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR36772/97 1997-07-31
KR1019970036772A KR19990013172A (en) 1997-07-31 1997-07-31 Fresh room chiller of refrigerator

Publications (1)

Publication Number Publication Date
CN1208164A true CN1208164A (en) 1999-02-17

Family

ID=19516626

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98103353A Pending CN1208164A (en) 1997-07-31 1998-07-13 Refrigerator having exclusive cooling apparatus for refreshing chamber

Country Status (2)

Country Link
KR (1) KR19990013172A (en)
CN (1) CN1208164A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865587A (en) * 2010-06-21 2010-10-20 合肥美的荣事达电冰箱有限公司 Low temperature refrigerator
CN110094910A (en) * 2018-01-29 2019-08-06 青岛海尔股份有限公司 Refrigerator
CN113474608A (en) * 2019-02-28 2021-10-01 Lg电子株式会社 Control method of refrigerator
CN115077170A (en) * 2022-07-25 2022-09-20 珠海格力电器股份有限公司 Air duct structure, refrigerating device and refrigerating chamber temperature control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865587A (en) * 2010-06-21 2010-10-20 合肥美的荣事达电冰箱有限公司 Low temperature refrigerator
CN101865587B (en) * 2010-06-21 2013-07-03 合肥美的荣事达电冰箱有限公司 Low temperature refrigerator
CN110094910A (en) * 2018-01-29 2019-08-06 青岛海尔股份有限公司 Refrigerator
CN113474608A (en) * 2019-02-28 2021-10-01 Lg电子株式会社 Control method of refrigerator
CN113474608B (en) * 2019-02-28 2023-08-18 Lg电子株式会社 Control method of refrigerator
CN115077170A (en) * 2022-07-25 2022-09-20 珠海格力电器股份有限公司 Air duct structure, refrigerating device and refrigerating chamber temperature control method

Also Published As

Publication number Publication date
KR19990013172A (en) 1999-02-25

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C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication