CN1126925C - Cold air circulation device of refrigerator - Google Patents
Cold air circulation device of refrigerator Download PDFInfo
- Publication number
- CN1126925C CN1126925C CN 97125892 CN97125892A CN1126925C CN 1126925 C CN1126925 C CN 1126925C CN 97125892 CN97125892 CN 97125892 CN 97125892 A CN97125892 A CN 97125892A CN 1126925 C CN1126925 C CN 1126925C
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- cold air
- refrigerating chamber
- door
- chamber
- conduit
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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
- 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
- F25D2317/062—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 along the inside of doors
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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
- 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
- F25D2317/065—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 air return
- F25D2317/0653—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 air return through the mullion
Abstract
provided is a structure for circulating chilled air of a refrigerator to circulate chilled air in a refrigerator compartment through an inside of a door.The structure includes a chilled air supplying unit supplying chilled air into a refrigerator compartment; and a door duct installed in a door of a refrigerator, introducing chilled air supplied into the refrigerator compartment by the chilled air supplying unit, and flowing chilled air through an upper part of an inside of the door to an upper part of the refrigerator compartment.
Description
The present invention relates to the apparatus for cold air circulation of refrigerator, a kind of like this apparatus for cold air circulation of refrigerator particularly, it can make cold air circulate fully completely in the refrigerating chamber of refrigerator and refrigerating chamber respectively; In such a way, near refrigerating chamber, each position of refrigerating chamber of refrigerating-chamber door and refrigerating chamber door, exist uniform circulating cold air to flow respectively.Thereby cold air evenly can be fed to each position of refrigerating chamber and refrigerating chamber.
With reference to Fig. 1, this is the structure of a current refrigerator.Be described in circulating cold air mode in the refrigerator of this structure now in conjunction with Fig. 1.
As shown in Figure 1, refrigerator inside is divided at freezing state by median septum 30 and deposits the refrigerating chamber 10 of food and deposit the refrigerating chamber 20 of food at frozen state.In outcase of refrigerator body 2 and between the inner housing 4a and 4b of formation refrigerator inner cavity, fill up the foam-like heat-insulating material, with the refrigerator outside heat exchange takes place in case the stagnant ice case is inner.At refrigerating chamber 10 rear portions an evaporimeter 6 is housed.At refrigerating chamber 10 rear portions fan 8 is installed also, is used for the cold air that evaporimeter 6 produces is fed to refrigerating chamber 10 and refrigerating chamber 20.Be provided with refrigerating chamber muffler 19 and refrigerating chamber muffler 29 in dividing plate 30, the circulation cold airflow that is used for making circular flow cross refrigerating chamber 10, refrigerating chamber 20 is respectively got back to evaporimeter 6.
For opening and closing refrigerating chamber 10 and refrigerating chamber 20, be separately installed with refrigerating chamber door 12 and refrigerating-chamber door 22 in the front of refrigerating chamber 10 and refrigerating chamber 20.Inner surface at refrigerating chamber door 12 and refrigerating-chamber door 22 has many door baskets 14 and 24 respectively, is used to hold the food that will store.In refrigerating chamber 10 and refrigerating chamber 20, with removably many shelves 16 and 26 are installed respectively, are used for putting in the above and put the food that will store.
The circulating cold air path that is limited in this current refrigerator structure is described now.
Cold air by evaporimeter 6 produces in the contact mode by fan 8, supplies to refrigerating chamber 10 and refrigerating chamber 20.Many cold air inlet 18a are arranged on the screen 18 at the back side that constitutes refrigerating chamber 10, and cool-air feed refrigerating chamber 10 is realized by these cold air inlets 18a.Cold air inlet 18a comprises: top cold air inlet 18ab is opened on the refrigerating chamber top that is positioned at refrigerating chamber shelf 16 tops; With bottom cold air inlet 18ac, be opened on the refrigerating chamber bottom that is positioned at refrigerating chamber shelf 16 belows.
Enter the cold air of refrigerating chamber 10 through cold air inlet 18a, in refrigerating chamber 10 inner loop, carry out heat exchange with the food that is stored in the refrigerating chamber 10.As a result, cold air is warming up to relative higher temperature.Then, the gas of these relatively-high temperatures is through refrigerating chamber return gas channel 19 Returning evaporimeters 6.Refrigerating chamber return gas channel 19 in the bottom surface of refrigerating chamber, particularly near near the refrigerating chamber door 12, has an air inlet.This cold air flow in refrigerating chamber 10 is indicated by arrow at Fig. 1.
Yet there are some shortcomings in above-mentioned circulating cold air mode, and is as described below.
As mentioned above, supply to the cold air of refrigerating chamber 10 inside,, turn back to evaporimeter 6 again via refrigerating chamber return gas channel 19 by evaporimeter 6; And the air inlet of refrigerating chamber return gas channel 19 is positioned at the bottom surface of refrigerating chamber, particularly near near the refrigerating chamber door 12.Yet such cold air flow does not have cold airflow through being installed in the door basket 14 on refrigerating chamber door 12 inner surfaces.In other words, existing circulating cold air mode shortcoming is to lack sufficient cold airflow and supplies to the position that refrigerating chamber door basket 14 is installed in the refrigerating chamber.Yet, when open at refrigerating chamber door 12 at this position, at first be exposed in the surrounding air with relative higher temperature.In addition, because the air inlet of refrigerating chamber return gas channel 19 is arranged in refrigerating chamber 10 bottom surfaces, and near near the refrigerating chamber door 12, like this, to the position that enters the mouth in the face of refrigerating chamber return gas channel 19 in the refrigerating chamber 10, just sufficient cold airflow can not be supplied with in the refrigerating chamber top (part of getting ready among Fig. 1) of contiguous refrigerating chamber door 12.
The position that has the cold airflow undersupply in refrigerating chamber 10, this fact means that the cold airflow of supplying with at all sites of refrigerating chamber 10 is heterogeneous.As a result, in whole freezing chamber 10, can not keep uniform cryogenic temperature.Accordingly, be stored in the refrigerating chamber 10 food may since refrigerating chamber 10 in temperature deviation and corruption.
For solving this defective in the existing refrigerator structure, people have proposed a kind of like this technology, and promptly the bottom of each chamber door basket has the cold air mouth in refrigerating chamber.Yet this structure can only be brought inhomogeneous broadening effect.Although the bottom surface at each chamber door basket has the cold air mouth, the food that they can be installed in the door basket of chamber blocks.Therefore, this cold air mouth can not play one's part to the full.Particularly, the not enough problem of the cool-air feed that provides this class cold air mouth can not solve contiguous refrigerating chamber door 12 positions, refrigerating chamber 10 tops (being the position of getting ready among Fig. 1).
The structure of refrigerating chamber 20 and the circulating cold air in the refrigerating chamber 20 are described now.
By the cold air that produces with evaporimeter 6 heat exchanges, via the space that the cover plate 9 of screen 18 and screen 18 back constitutes, part is imported into refrigerating chamber pipeline 28.Import the cold air of refrigerating chamber pipeline 28,, supply to refrigerating chamber 20 by some cold air inlet 28a that is positioned at refrigerating chamber pipeline 28 fronts.Cold air inlet 28a arranges by this way: they are opened on the different piece of the refrigerating chamber 20 that is divided into by shelf 26 respectively.Supply to the cold air of refrigerating chamber 20, when refrigerating chamber 20 inner loop flow and the food that is stored in the refrigerating chamber 20 carry out Re Jiaore.Cold air is warming up to relative higher temperature as a result.The hot gas of these relative higher temperatures is subsequently via refrigerating chamber muffler 29 Returning evaporimeters 6.Wherein the inlet of refrigerating chamber muffler 29 is positioned near the upper surface of the refrigerating chamber 20 the refrigerating-chamber door 22.
Yet there is the shortcoming of the circulating cold air mode of similar aforementioned refrigerating chamber in the above-mentioned and circulating cold air mode refrigerating chamber associated.
To the situation of refrigerating chamber 20, similar to the situation of refrigerating chamber 10, the position of layout refrigerating-chamber door basket 24 in refrigerating chamber 20, the cold airflow of supply is inadequate.As a result, compare with other position of refrigerating chamber 20, the door basket place of refrigerating chamber 20 keeps higher relatively temperature.Compare the frequent open and close of refrigerating-chamber door with refrigerating chamber.Therefore, the surrounding air of high temperature is easy to enter refrigerating chamber 20 inside.Particularly, arrange the position of chamber door basket 24 in the refrigerating chamber 20, be easy to be exposed in this hot environment air.Therefore, should the increase supply cold air at 20 basket positions of refrigerating chamber.Yet, can only obtain limited circulating cold air for above-mentioned existing make.This limited circulating cold air is difficult to guarantee the freezing or refrigerated storage temperature of setting.Therefore, storage food exists problem in refrigerator.
Therefore, one object of the present invention just provides a kind of apparatus for cold air circulation of refrigerator, and it can supply with sufficient circulation cold air to the refrigerator all sites, distributes thereby can obtain even temperature respectively in the refrigerating chamber of refrigerator and refrigerating chamber.
Another object of the present invention is to provide a kind of apparatus for cold air circulation of refrigerator, it can supply to cold air respectively the close position of chamber door separately in refrigerating chamber and the refrigerating chamber effectively.
According to the present invention, these purposes realize that by the apparatus for cold air circulation that a kind of like this refrigerator is provided it comprises: a storeroom that is limited to refrigerator inside is used to store food; A chamber door that is used to close and open storeroom; Be used for cool-air supplier to the storeroom cool-air feed; A return gas channel that is opened on the storeroom desired area is used for being recovered in the cold air that storeroom circulates; Supply to the cold air guide channel that cold air in the storeroom enters return gas channel with a guiding.According to this structure, in storeroom such as refrigerating chamber or refrigerating chamber, form one cold airflow, the position of close storeroom door in the storeroom of flowing through.That is the formation cold airflow, flowing through is installed in door basket on the storeroom door.Therefore, effectively cool-air feed in the storeroom near the position of chamber door.
At storeroom is under the situation of refrigerating chamber, and according to one embodiment of the present of invention, described cold air guide channel comprises a chamber door conduit that is arranged in refrigerating chamber door.Chamber door conduit comprises the air inlet and the gas outlet that is positioned at the refrigerating chamber bottom that are positioned at refrigerating chamber top, and air inlet communicates with the gas outlet.Therefore, form cold airflow, near refrigerating chamber door, flow to the refrigerating chamber bottom from refrigerating chamber top.Especially near refrigerating chamber top, refrigerating chamber door, formed effective cold airflow.
According to an alternative embodiment of the invention, the cold air guide channel comprises dismountable chamber door conduit that is contained on the storeroom door inner surface.In this case, need not do big modification, just can provide effective cold airflow the current refrigerator structure.
The air inlet of chamber door conduit is provided with in such a way: flow through the earlier chamber door basket of the door upper end, close chamber that is contained in the refrigerating chamber door inner surface of the cold air that introduce air inlet flows to air inlet again.Therefore, the food that is stored in the door basket of chamber is exposed in the sufficient cold airflow of supplying with.
At storeroom is under the situation of refrigerating chamber, and the cold air guide channel is used to form cold airflow, and this cold airflow is through being positioned at the refrigerating-chamber door between the refrigerating chamber top and bottom.The cold air guide channel comprises the chamber door conduit that is arranged in refrigerating-chamber door, and wherein door conduit in chamber has a gas outlet that is positioned at door conduit top, chamber to be positioned at the air inlet of door conduit bottom, chamber with some.The air inlet of chamber door conduit is arranged by this way: the chamber door basket that the cold air of introducing air inlet is flowed through earlier and is installed in the refrigerating-chamber door inner surface, the air inlet of inlet chamber door conduit again.Cool-air feed flows to the position of contiguous refrigerating-chamber door in the refrigerating chamber like this, fully.
By below in conjunction with the detailed description of accompanying drawing to embodiment, other purpose of the present invention and aspect will become very clear.In the accompanying drawing:
Fig. 1 is the cross sectional view of refrigerator configurations of the prior art and its circulating cold air mode;
Fig. 2 is the cross sectional view according to the cold air circulation device of refrigerator of one embodiment of the present of invention;
Fig. 3 is a guide wire of alternative shape among Fig. 2;
Fig. 4 is the cross-sectional view strength of Fig. 2;
Fig. 5 is the elevation according to refrigerating chamber door inner surface of the present invention;
Fig. 6 is the cutaway view according to the cold air circulation device of refrigerator of another embodiment of the present invention; With
Fig. 7 is the three-dimensional view of the detachable chamber door conduit in embodiment illustrated in fig. 6.
Fig. 2 represents the cold air circulation device of refrigerator according to one embodiment of the invention.At first, in conjunction with Fig. 2 the total of freezer compartment of refrigerator and the circulating cold air mode of freezer compartment of refrigerator are described.
In the refrigerating chamber that marks with label 100, the shelf 109 that level is installed is used for depositing the food that will store thereon.Some cold air inlets are arranged on the screen that constitutes the refrigerating chamber back side.The cold air inlet comprises the last cold air inlet 106a that is opened on refrigerating chamber 100 tops and is opened on the following cold air inlet 106b of refrigerating chamber 100 bottoms.Refrigerating chamber is divided into refrigerating chamber top and refrigerating chamber bottom by refrigerating chamber shelf 109. Cold air inlet 106a and 106b are used to guide cold air to enter refrigerating chamber 100.Cold air is produced with the way of contact by evaporimeter 102.
According to this embodiment of the present invention, the chamber door conduit 120 of vertical extension is installed in refrigerating chamber door 110, chamber door 110 is used to close and opens refrigerating chamber 100.Chamber door conduit 120 has air inlet 122 and gas outlet 124, and air inlet 122 and gas outlet 124 all communicate with refrigerating chamber 100 inside.That is chamber door conduit 120 is as the part in refrigerating chamber 100 inner circulating cold air paths.The air inlet 122 of chamber door conduit 120 communicates with the top of refrigerating chamber 100, and the gas outlet 124 of chamber door conduit 120 communicates with the bottom of refrigerating chamber 100.Like this, cold air via chamber door conduit 120 in refrigerating chamber 100 inner loop.
Be positioned at the air inlet 122 on refrigerating chamber door conduit 120 tops, be used for, sufficient cold airflow is provided near the chamber door basket 112a that is positioned at refrigerating chamber door 110 inner surface tops.As shown in Figure 2, the air inlet 122 of refrigerating chamber door conduit 120 preferably is arranged in adjacent chamber door basket 122a place.As shown in Figure 5, the air inlet 122 of refrigerating chamber door conduit 120 is made up of some cold air mouth 122a that are positioned on the refrigerating chamber door conduit 120, wherein these cold air mouths 122a adjacent chamber door basket 112a.Thereby when cold air was incorporated in the refrigerating chamber 100, chamber door basket 112a flowed through.The result near the position of installation room door basket 112a, has sufficient cold airflow to supply with in refrigerating chamber 100.
The gas outlet 124 of chamber door conduit 120 is arranged in the bottom of refrigerating chamber door 110, and the inlet of refrigerating chamber muffler 132 also is arranged in here.Thereby the cold air of importing chamber door conduit 120 can enter refrigerating chamber muffler 132 via the gas outlet 124 of chamber door conduit 120.In other words, 124 cold air that come out from the gas outlet, the return gas channel 132 via being installed in the median septum 130 directly turns back to evaporimeter 102.Particularly to shown in situation, be equipped with chamber door basket 112b in the inner surface bottom of refrigerating chamber door 110, can construct chamber door conduit 120 like this, by connecting pipe 112bd is installed on the door basket 112b of chamber, gas outlet 124 is directly communicated with refrigerating chamber muffler 132.
The structure of gas outlet 124 of refrigerating chamber door conduit 120 and the structure of refrigerating chamber muffler 132 are described below in conjunction with Fig. 4, Fig. 5.
As shown in Figure 5, the gas outlet 124 of refrigerating chamber door conduit 120 is made up of gas outlet 124a and the 124b that a pair of lateral separation distributes.Refrigerating chamber muffler 132 is used to reclaim by the gas outlet 124a of refrigerating chamber door conduit 120 and the cold air of 124b discharge, it also comprises muffler 132a and the 132b that a pair of lateral separation distributes, and the air inlet of muffler 132a and 132b faces toward gas outlet 124a, the 124b of refrigerating chamber door conduit 120 respectively.Refrigerating chamber muffler 132a and 132b are arranged in median septum 130, laterally distribute relatively each other.Among Fig. 4, label 134 representatives are positioned at median septum 130, the refrigerating chamber return gas channel between refrigerating chamber muffler 132a and 132b.
According to embodiments of the invention, the air inlet 122 of refrigerating chamber door conduit 120 is arranged near the last chamber door basket 112a on contiguous refrigerating chamber door 110 tops; And the gas outlet 124 of refrigerating chamber door conduit 120 is arranged near the following chamber door basket 112b of contiguous refrigerating chamber door 110 bottoms.Position for contiguous refrigerating chamber door conduit 120 middle parts in refrigerating chamber 100 provides more effective cold airflow, and refrigerating chamber conduit 120 has some cold air mouths 126 in the middle, and they make refrigerating chamber 100 communicate with refrigerating chamber door conduit 120, as shown in Figure 5.Above-mentioned cold air mouth 126 is arranged between upper and lower chamber door basket 112a and the 112b.Have benefited from cold air mouth 126, in refrigerating chamber 100, contiguous refrigerating chamber door 110 places can obtain more effective circulating cold air.That is cold air circulates between last chamber door basket 112a and following chamber door basket 112b effectively through cold air hole 126.Like this, in refrigerating chamber 100, just there is sufficient cold air flow in the position of adjacent chamber door basket 112.
Circulating cold air in the refrigerating chamber of above-mentioned structure is described below.
Cold air is produced by the evaporimeter 102 that is arranged in refrigerating chamber 100 rear portions by heat exchange.These cold air supply to refrigerating chamber 100 by fan 104.Cold airflow by fan 104 is sent here by being positioned at top cold air inlet 106a and the bottom cold air inlet 106b on the screen 106, enters refrigerating chamber 100 upper and lowers that separated by refrigerating chamber shelf 109 respectively.
Via top cold air inlet 106a, be supplied in the cold air on the refrigerating chamber top above the refrigerating chamber shelf 109, flow to refrigerating chamber door 110, and carry out heat exchange with the food that is stored in refrigerating chamber 100 tops.Arrive at the cold air of refrigerating chamber door 110, enter the air inlet 122 of the chamber door conduit 120 that is positioned at refrigerating chamber door 110 inside subsequently.Because the air inlet 122 of chamber door conduit 120 is arranged near the upper end of refrigerating chamber door 110, thereby can be close to the position of refrigerating chamber door 110 upper ends in refrigerating chamber 100, forms effective cold air flow.This means the position of contiguous refrigerating chamber door 110 upper ends in the refrigerating chamber 100, obtain sufficient cold airflow.Thereby, just there is not cold air stagnation region (zone of getting ready among Fig. 1).Like this, can be to all sites of refrigerating chamber, cool-air feed equably.
Via bottom cold air inlet 106b, be supplied in the cold air of refrigerating chamber 100 bottoms below the refrigerating chamber shelf 109, flow to refrigerating chamber door 110 and carry out heat exchange with the food that is stored in refrigerating chamber 100 bottoms.As a result, cold air is warming up to relative higher temperature.Be warmed up to the hot gas of relative higher temperature, enter the refrigerating chamber muffler 132 that is arranged in median septum 130 subsequently.
Simultaneously, via the air inlet 122 that is positioned at door conduit 120 tops, chamber, the cold air of inlet chamber door conduit 120 flows downward along this conduit 120.In refrigerating chamber 100,, carry out heat exchange with the food that stores in the refrigerating chamber 100, via the cold air mouth 126 that is positioned at door conduit 120 middle parts, chamber, also inlet chamber door conduit 120 near the cold air that flows through the refrigerating chamber shelf 109.This cold airflow also flows downward along chamber door conduit 120 subsequently.In Fig. 3, indicated flowing of these cold air with arrow.Cold air in the chamber door conduit 120, when arriving at door conduit 120 bottoms, chamber, part is discharged to outside the chamber door conduit 120 these cold air via the gas outlet 124 of chamber door conduit 120, also part is discharged to outside the chamber door conduit 120 via the connecting pipe 112bd that is positioned on the bottom compartment door basket 112b.Like this, Quilt with air conditioning imports the refrigerating chamber muffler 132 that is arranged in median septum 130.
As mentioned above, according to this embodiment of the present invention, comprise circulation cold air flowing via chamber door conduit 120 in the cold air flow of refrigerating chamber 100 inner loop.In other words, when the cold air that supplies to refrigerating chamber top flows, carry out heat exchange on refrigerating chamber shelf 109; Enter the air inlet 122 of the chamber door conduit 120 that is arranged in refrigerating chamber door 110 then.Import the cold air of chamber door conduit 120, in chamber door conduit 120, flow downward, leave chamber door conduit 120 via gas outlet 120 again; Like this, cold air enters refrigerating chamber muffler 132.On the other hand, supply to the cold air of refrigerating chamber 100 bottoms, when below refrigerating chamber shelf 109, flowing, carry out heat exchange; Directly enter refrigerating chamber muffler 132 then.Owing to be furnished with cold air mouth 126 at door conduit 120 middle parts, chamber, refrigerating chamber 100 is communicated with chamber door conduit 120, the cold air that flows at refrigerating chamber 100 middle parts also enters refrigerating chamber door conduit 120.
According to a kind of like this circulating cold air in the refrigerating chamber, in refrigerating chamber 100, near the refrigerating chamber door 110, there is the cold airflow of inlet chamber door conduit 120.In other words, there are flow through respectively chamber door basket 112a and 112b, the more independent cold airflow of inlet chamber door conduit 120.Thereby, to the position of adjacent chamber door basket 112a and 112b in the refrigerating chamber 100, can supply with sufficient cold airflow, particularly refrigerating chamber 100 tops, near the refrigerating chamber door 110, there is sufficient cold air flow.
Below in conjunction with Fig. 2, describe according to the circulating cold air mode in the refrigerating chamber of the present invention.
According to embodiments of the invention, refrigerating chamber 200 comprises and is used for to the refrigerating chamber air flue 202 of refrigerating chamber 200 cool-air feeds and is arranged in the refrigerating-chamber door conduit 220 of refrigerating-chamber door 210.Refrigerating-chamber door conduit 220 is used to guide the cold air that enters refrigerating chamber air flue 202 to enter refrigerating chamber muffler 136, and wherein muffler 136 is positioned at median septum 130 inside.
Refrigerating chamber air flue 202 communicates with the space that is made of screen 106 and cover plate 108.Like this, air flue 202 can be accepted by the cold air of evaporimeter 102 by the heat exchange generation, and above-mentioned cold air is imported refrigerating chamber 200.By being positioned at some cold air inlet 202a in refrigerating chamber air flue 202 fronts, 202b, 202c imports the cold air of refrigerating chamber air flue 202, supplies to refrigerating chamber 200 inside.
Be arranged in the refrigerating-chamber door conduit 220 of refrigerating-chamber door 210, be used for making cold air to move up, thereby cold airflow is got back in the refrigerating chamber muffler 136 in refrigerating chamber 200 circulations.As shown in Figure 2, refrigerating-chamber door conduit 220 is vertically arranged the whole vertical length of passing refrigerating-chamber door.There are some air inlet 222a vertically spaced apart in refrigerating-chamber door conduit 220 in its underpart, 222b, and 222c (222) is used for guiding the circulation cold air inlet chamber door conduit 220 of refrigerating chamber 200.Enter the cold air of refrigerating-chamber door conduit 220 via air inlet 222, in chamber door conduit 220, upwards flow,, from chamber door conduit 220, discharge by being positioned at the gas outlet 224 on the chamber door conduit 220.Gas outlet 224 is arranged in the position of contiguous refrigerating chamber muffler 136, and 224 cold air of discharging from the gas outlet import in the refrigerating chamber muffler 136 like this.
The chamber door basket 212a that some are vertically spaced apart, 212b, 212c is installed on the inner surface of refrigerating-chamber door 210, is used for store food.Preferably make cold air inlet 222a, 222b, 222c are respectively adjacent to chamber door basket 212a, 212b, and 212c arranges.In this case, after cold air circulates in refrigerating chamber, the chamber door basket 212a that flows through, 212b, 212c enters cold air inlet 222a again, 222b, the such cold air of 222c be stored in chamber door basket 212a, 212b, the food among the 212c fully contacts.
Describe below according to the circulating cold air in the refrigerating chamber 200 of said structure of the present invention.
, be directed in the refrigerating chamber air flue 202 that communicates with the space that constitutes by screen 106 and cover plate 108 by the cold air that heat exchange produces by evaporimeter 102.Import the cold air of refrigerating chamber air flue 202, by being positioned at some cold air inlet 202a in refrigerating chamber air flue 202 fronts, 202b, 202c supplies to refrigerating chamber 200 inside.
Supply to the cold air of refrigerating chamber 200 inside, when flowing to refrigerating-chamber door 210, carry out heat exchange with the food that is stored in the refrigerating chamber 200.As a result, cold air is warming up to higher relatively temperature.The gas of these relatively-high temperatures is directed to contiguous refrigerating-chamber door basket 212a in the refrigerating chamber then, 212b, and the position of 212c, thus cold air enters refrigerating-chamber door conduit 220 by air inlet 222.Owing to import the cold air of refrigerating-chamber door conduits 220 through air inlet 222, the chamber door basket 212a that flows through, 212b, 212c, above-mentioned cold air fully contacts with food in being stored in a basket.Like this, also formed from the cold airflow of refrigerating chamber 200 rear portions to the refrigerating-chamber door basket.Thereby, can be to the position of contiguous refrigerating-chamber door 210 in the refrigerating chamber 200, cool-air feed sufficiently.
The cold air that imports in the refrigerating-chamber door conduit 220 upwards flows in chamber door conduit 220.These cold air comprise, via air inlet 222a, and 222b, 222c enters the cold airflow of conduit 220 respectively from refrigerating chamber middle part and bottom.Above-mentioned cold air is discharged to outside the chamber door conduit 220 via the gas outlet 224 that is arranged in door conduit 220 tops, chamber.Because the gas outlet of refrigerating-chamber door conduit 220 is arranged near the inlet of the refrigerating chamber muffler 136 that is arranged in median septum 130, like this, 224 cold air of discharging directly enter refrigerating chamber muffler 136 from the gas outlet, and then turn back to evaporimeter 102.Cold air is finished above-mentioned circulation, contacts with evaporimeter 102 again, is cooled to needed low temperature.This process repeats.Certainly, the cold air that the supplies to refrigerating chamber 200 tops refrigerating-chamber door conduit 220 of may not flowing through, and directly enter refrigerating chamber muffler 136.
By foregoing description, obviously can find out, in according to the circulating cold air mode in the refrigerating chamber of this embodiment of the present invention, supply to cold air in the refrigerating chamber 200 via refrigerating chamber air flue 202, by being arranged in the refrigerating-chamber door conduit 220 of refrigerating-chamber door 210, upwards flow, turn back to again in the refrigerating chamber muffler 136.In this case, the cold air that returns via refrigerating-chamber door conduit 220, before entering refrigerating-chamber door conduit 220, flowing through earlier is positioned at chamber door basket 212a on refrigerating-chamber door 210 inner surfaces, 212b, 212c.In other words, in refrigerating chamber 200, there is the chamber door basket 212a that flows through respectively, 212b, behind the 212c, the effective cold airflow of inlet chamber door conduit 220 again.Thereby, to being respectively adjacent to chamber door basket 212a in the refrigerating chamber, 212b, sufficient cold airflow can be supplied with in the position of 212c.Like this, can be to all sites of refrigerating chamber 200 cool-air feed equably.
Fig. 6 and Fig. 7 are according to another embodiment of the present invention, the apparatus for cold air circulation of a kind of refrigerator that provides.Present embodiment can not done the refrigerating chamber door structure under the situation of very big modification, and the position of contiguous refrigerating chamber door provides circulating cold air in refrigerating chamber.
According to this embodiment of the present invention, be different from the chamber door conduit that be arranged in refrigerating chamber door of Fig. 2 in Fig. 5, but be installed in the inner surface of refrigerating chamber door with an independent chamber door cannula member.In this case, the present invention can be provided circulating cold air as expected, and refrigerator configurations not done big change.
In Fig. 6 and Fig. 7, respectively to Fig. 2 corresponding part in Fig. 5, be denoted by the same reference numerals.
According to present embodiment,, dismountable chamber door conduit 150 has been installed at refrigerating chamber door 110 inner surfaces for forming the cold airflow of flow through respectively chamber door basket 112a and 112b.
As shown in Figure 7,, have air inlet 152 in the top, have gas outlet 154 in its lower end by the molded detachable chamber door conduit 150 that forms of mould.
Detachable chamber door conduit 150 by the securing member 160 (as fixed-use bolt) of fastener hole 162 and embedding fastener hole 162, is fixed on the inner surface of refrigerating chamber door 110.Wherein fastener hole 162, respectively throughout chamber door conduit 150 middle parts and the corresponding site that is positioned at refrigerating chamber door 110.Certainly, available other mounting means is connected chamber door conduit 150 on the refrigerating chamber door 110.
Because the air inlet 152 of detachable chamber door conduit 150 is positioned at door conduit 150 upper ends, chamber, promptly is positioned at the top of refrigerating chamber door 110; There is effective cold airflow in the position on the top of contiguous refrigerating chamber door 110 in refrigerating chamber 100 like this.And in existing freezer compartment structure, cold air does not flow through this position at refrigerating chamber.The gas outlet 154 of chamber door conduit 150 is arranged near the inlet of the refrigerating chamber muffler 132 that is arranged in median septum 130.Like this, contiguous refrigerating chamber door basket 112 places on refrigerating chamber 100 tops, detachable chamber door conduit 150 can provide effective cold airflow.
Below, the circulating cold air in the said structure is described according among this embodiment of the present invention.
Cold air by evaporimeter 102 produces by heat exchange with the way of contact supplies to refrigerating chamber 100 by fan 104.On the screen 106 that constitutes refrigerating chamber 100 back sides, have cold air inlet 106a and 106b.Import to cold air in the refrigerating chamber 100 via cold air inlet 106a and 106b, in refrigerating chamber 100, flow.Cold air carries out heat exchange with the food that is stored in the refrigerating chamber 100 when flowing forward.
Enter the cold air of refrigerating chamber 100 upper spaces that are positioned at refrigerating chamber shelf 109 tops via top cold air inlet 106a, flow to refrigerating chamber door 110, and part cold air enters the air inlet 152 of detachable chamber door conduit 150 subsequently.
Do not enter the residue cold air of detachable chamber door conduit, by being positioned at chamber door basket 112a, perforate 122ah and 122bh on the 112b bottom surface flow downward respectively.Enter the cold air of detachable chamber door conduit 150,, be discharged to outside the chamber door conduit 150 via the gas outlet 154 that is positioned at door conduit 150 lower ends, chamber.The cold air of discharging enters refrigerating chamber muffler 132 then.
Via bottom cold air inlet 106b, cool-air feed is to the refrigerating chamber lower space that is positioned at refrigerating chamber shelf 109 belows.Above-mentioned cold airflow is to refrigerating chamber door 110, and carries out heat exchange with the food that is stored in the refrigerating chamber bottom.Subsequently, cold air enters refrigerating chamber muffler 132, and the muffler 132 that has an inlet is arranged in the front portion of median septum 130.Enter the cold air of refrigerating chamber muffler 132, get back to evaporimeter 102, be cooled to the low temperature that needs.This process is carried out repeatedly.
As mentioned above, according to this embodiment of the present invention, in refrigerating chamber 100, there is the cold airflow of flow through chamber door basket 112a and 112b.Particularly, because the air inlet of chamber door conduit 150 is distributed in the position of contiguous refrigerating chamber door 110 in the refrigerating chamber upper space,, can obtain sufficient cold airflow at this position of refrigerating chamber.Thereby refrigerating chamber 100 shows as even temperature and distributes at its all sites.
According to the detachable chamber door conduit 150 of this embodiment, available mould is molded to form.Especially chamber door conduit 150 can be contained on the refrigerating chamber door of existing structure simply.
By top description, apparent, there is following advantage in the present invention.
According to the present invention, the position of contiguous its chamber door can form effective cold airflow in refrigerating chamber or refrigerating chamber.Promptly existing flows through is contained in the cold airflow in the door basket district, chamber on the chamber door separately.In other words, in refrigerating chamber or refrigerating chamber, there is not cold air viscous flow position.Thereby, at all sites of refrigerating chamber or refrigerating chamber, can both obtain effective, uniform cold airflow.
Particularly to the situation of refrigerating chamber, the contiguous refrigerating chamber door in cold air upper end from refrigerating chamber flows downward, and constitutes its circulating cold air path.Thereby the position of contiguous refrigerating chamber door obtains effective cold airflow on refrigerating chamber top.
Owing in refrigerating chamber and refrigerating chamber, have the cold airflow of the chamber door basket of flowing through, contiguous its door position, chamber has obtained effective cold airflow respectively in above-mentioned storeroom.Therefore, cold air has supplied to the position of contiguous its chamber door in the storeroom sufficiently.Although the chamber door easily causes the surrounding air of high temperature to enter storeroom owing to often open and close, heated up in the position of contiguous its chamber door in the storeroom, owing to have sufficient cold airflow, thereby, can be stored in fresher state to food.
Although in order to illustrate, disclose the preferred embodiments of the present invention, those skilled in the art can carry out various possible modifications, interpolation or replacement in not breaking away from the given scope and spirit of claims of the present invention.
Claims (20)
1. the apparatus for cold air circulation of a refrigerator, it comprises:
Be limited to refrigerator inside, be used to deposit the storeroom of article;
Be used to open and close the door of storeroom;
Be used for cool-air supplier to the storeroom cool-air feed;
The cold air guide channel is used for guiding the cold air that supplies to storeroom to enter a return gas channel, and described cold air guide channel is made of the chamber door conduit that forms in the door of described chamber;
By the formed return gas channel of a refrigerator part, be used to make and flow back to described cool-air supplier at cold air from described cold air guide channel.
2. according to the described apparatus for cold air circulation of claim 1, it is characterized in that described storeroom is a refrigerating chamber, and described cold air guide channel is made of a chamber door conduit that is formed in the refrigerating chamber door.
3. according to the described apparatus for cold air circulation of claim 1, it is characterized in that described chamber door conduit comprises: air inlet that is positioned at door top, described chamber and one are positioned at the gas outlet of described chamber student portion, and the gas outlet communicates with air inlet.
4. according to the described apparatus for cold air circulation of claim 3, it is characterized in that the air inlet of described chamber door conduit is arranged in the door basket top, chamber that is installed in described chamber door inner surface.
5. according to the described apparatus for cold air circulation of claim 3, it is characterized in that the gas outlet of described chamber door conduit is positioned near the inlet of described return gas channel.
6. according to the described apparatus for cold air circulation of claim 5, it is characterized in that the gas outlet of described chamber door conduit by being installed in the door basket bottom, chamber of described chamber door inner surface, communicates with return gas channel.
7. according to the described apparatus for cold air circulation of claim 5, it is characterized in that the gas outlet of described chamber door conduit comprises a pair of spaced outlet, and described return gas channel comprise a pair of respectively with the corresponding muffler of above-mentioned spaced outlet.
8. according to the described apparatus for cold air circulation of claim 1, it is characterized in that described cold air guide channel is provided with a plurality of cold air mouths that are connected with storeroom in the middle.
9. according to the described apparatus for cold air circulation of claim 1, it is characterized in that described storeroom is a refrigerating chamber.
10. according to the described apparatus for cold air circulation of claim 9, it is characterized in that described cold air guide channel is made of the chamber door conduit that is formed in the refrigerating-chamber door, this chamber door conduit has air inlet and the gas outlet that communicates with refrigerating chamber top or bottom.
11., it is characterized in that the gas outlet of described chamber door conduit is positioned near the inlet of return gas channel according to the described apparatus for cold air circulation of claim 10.
12., it is characterized in that described chamber door conduit air inlet comprises a plurality of cold air inlets that are positioned at door conduit bottom, chamber according to the described apparatus for cold air circulation of claim 11.
13. according to the described apparatus for cold air circulation of claim 12, it is characterized in that, the cold air of described chamber door conduit inlet is arranged in the following manner: the cold air that the introduce air inlet a plurality of chambers door basket on the inner surface that is installed in refrigerating-chamber door of flowing through earlier, and then flow into above-mentioned air inlet.
14. the apparatus for cold air circulation of a refrigerator, this refrigerator comprises: refrigerating chamber is used to enter the first Room door of refrigerating chamber, refrigerating chamber, be used to enter the second Room door of refrigerating chamber, and be used for the cool-air supplier to refrigerating chamber and refrigerating chamber supply cold air, this apparatus for cold air circulation comprises:
Be formed on the first Room door conduit in the first Room door, this first Room door conduit comprises at least one air inlet that is formed on the first Room student portion, with a gas outlet that is formed on door top, first Room, above-mentioned air inlet is accepted the recyclegas from refrigerating chamber, the gas from above-mentioned at least one air inlet is exported in above-mentioned gas outlet, and gas is delivered to above-mentioned cool-air supplier.
15. according to the described apparatus for cold air circulation of claim 14, it is characterized in that, the recyclegas of importing by at least one air inlet of the above-mentioned first Room door conduit upwards transmits by the first Room door conduit, exports to above-mentioned cool-air supplier by the gas outlet of the first Room door conduit.
16. according to the described apparatus for cold air circulation of claim 14, it is characterized in that, described refrigerator also comprises the separating device of separating refrigerating chamber and refrigerating chamber, and this separating device comprises return conduit, is used to guide the gas from the output of door conduit gas outlet, first Room directly to enter above-mentioned cool-air supplier.
17. according to the described apparatus for cold air circulation of claim 14, it is characterized in that, also comprise:
Be formed on the second Room door conduit in the second Room door, this second Room door conduit comprises an air inlet that is formed on door top, second Room, with the gas outlet that is formed on the second Room student portion, the air inlet of the second Room door is accepted the recyclegas from refrigerating chamber, the gas from the above-mentioned second Room door air inlet is exported in the gas outlet of the second Room door, and gas is delivered to above-mentioned cool-air supplier.
18. according to the described apparatus for cold air circulation of claim 17, it is characterized in that, described refrigerator also comprises the separating device of separating refrigerating chamber and refrigerating chamber, and this separating device comprises return conduit, is used to guide the gas from the output of door conduit gas outlet, second Room directly to enter above-mentioned cool-air supplier.
19. according to the described apparatus for cold air circulation of claim 18, it is characterized in that, described refrigerator also comprises a plurality of a plurality of shelves that are installed on the second Room door inner surface, one of them shelf comprises the connecting duct that is formed on wherein, be used for directly output from the gas of door conduit gas outlet, second Room, and gas delivered to the return conduit of above-mentioned separating device by this connecting duct.
20., it is characterized in that the second Room door conduit also comprises formation a plurality of holes in the middle according to the described apparatus for cold air circulation of claim 17, and accept recyclegas by these holes.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR19960059687 | 1996-12-28 | ||
| KRU59687/1996 | 1996-12-28 | ||
| KRU59687/96 | 1996-12-28 | ||
| KR24864/97 | 1997-06-16 | ||
| KR1019970024864A KR100366528B1 (en) | 1997-06-16 | 1997-06-16 | Structure for circulating chilled air of refrigerator |
| KR42669/97 | 1997-08-29 | ||
| KR1019970042669A KR100260316B1 (en) | 1997-08-29 | 1997-08-29 | Cool-air circulation unit of a refrigerator |
| KR24864/1997 | 1997-08-29 | ||
| KR42669/1997 | 1997-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1188224A CN1188224A (en) | 1998-07-22 |
| CN1126925C true CN1126925C (en) | 2003-11-05 |
Family
ID=27349434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97125892 Expired - Fee Related CN1126925C (en) | 1996-12-28 | 1997-12-24 | Cold air circulation device of refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4008555B2 (en) |
| CN (1) | CN1126925C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100389382B1 (en) * | 1998-11-28 | 2003-10-04 | 주식회사 엘지이아이 | Refrigerator |
| KR20030042749A (en) * | 2001-11-23 | 2003-06-02 | 주식회사 엘지이아이 | Refrigerator having structure for circulation of cooling air |
| KR100455416B1 (en) * | 2001-12-20 | 2004-11-08 | 주식회사 엘지이아이 | Structure for circulating cooling air for refrigerator |
| CN1310001C (en) * | 2002-11-15 | 2007-04-11 | 乐金电子(天津)电器有限公司 | Cold air flow circuit structure of refrigerator |
| CN104236196A (en) * | 2014-09-18 | 2014-12-24 | 合肥华凌股份有限公司 | Air cooling refrigerator |
| CN205536772U (en) * | 2015-01-20 | 2016-08-31 | 青岛海尔特种电冰柜有限公司 | Refrigerating equipment |
| CN105371578B (en) * | 2015-11-18 | 2018-12-14 | 青岛海尔股份有限公司 | Refrigeration compartment and refrigerator with it |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448466Y2 (en) * | 1987-03-16 | 1992-11-16 | ||
| JPH0448465Y2 (en) * | 1987-03-16 | 1992-11-16 | ||
| JPH0758150B2 (en) * | 1989-05-31 | 1995-06-21 | 三菱電機株式会社 | Freezer refrigerator |
| JPH03100785U (en) * | 1990-01-31 | 1991-10-21 | ||
| JPH05141843A (en) * | 1991-11-25 | 1993-06-08 | Sharp Corp | Refrigerating and cooling cabinet |
| JP3187890B2 (en) * | 1991-11-26 | 2001-07-16 | 三洋電機株式会社 | refrigerator |
-
1997
- 1997-12-22 JP JP35259597A patent/JP4008555B2/en not_active Expired - Fee Related
- 1997-12-24 CN CN 97125892 patent/CN1126925C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1188224A (en) | 1998-07-22 |
| JP4008555B2 (en) | 2007-11-14 |
| JPH10197132A (en) | 1998-07-31 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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