CN1230654C - Cold air distribution device of electric refrigerator - Google Patents
Cold air distribution device of electric refrigerator Download PDFInfo
- Publication number
- CN1230654C CN1230654C CN 02126079 CN02126079A CN1230654C CN 1230654 C CN1230654 C CN 1230654C CN 02126079 CN02126079 CN 02126079 CN 02126079 A CN02126079 A CN 02126079A CN 1230654 C CN1230654 C CN 1230654C
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- China
- Prior art keywords
- refrigerating chamber
- cold air
- mentioned
- vegetable compartment
- passage
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- Expired - Fee Related
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Abstract
The present invention provides a cold air distribution device of an electric refrigerator, which mainly comprises a refrigerating chamber, a refrigerating chamber channel and a blowing fan, wherein the lower part of the refrigerating chamber is provided with a vegetable chamber. For supplying cold air to the refrigerating chamber, the refrigerating chamber channel is vertically arranged. The cold air is supplied to the back of the vegetable chamber by the lower end of the refrigerating chamber channel. The blowing fan is arranged in the refrigerating chamber channel on the upper part of the vegetable chamber. In addition, the blowing fan is communicated with the back of the vegetable chamber and a connection channel communicated with the lower part of the refrigerating chamber channel. The cold air at the back of the vegetable chamber and the lower part of the refrigerating chamber channel are led to the upper part by the blowing fan. The cold air distribution device of the present invention can bring the following effects: even if the door of the refrigerating chamber is opened, high temperature caused by high-temperature air intruding from the outside can be prevented in the maximum limit. Because that food stored in the refrigerating chamber contacts with the high-temperature outside air is prevented in the maximum limit, the reliability of food storage is enhanced.
Description
Technical field
The present invention relates to a kind of cold air distribution device of refrigerator, relate in particular to a kind of cold air distribution device that can bring following effect: when opening door of refrigerator, the refrigerating chamber central part of air to top of the vegetable compartment periphery of refrigerator moved, thereby the extraneous gas of Yin Gaowen is invaded and the influence that brings minimizes.
Background technology
Fig. 1 demonstrates the front elevation of refrigerator internal structure in the existing technology.As shown in Figure 1, the refrigerating chamber 2 of refrigerator is the space that is used for foodstuff storing, and the bottom of refrigerating chamber 2 is provided with vegetable compartment 4 usually, and above-mentioned vegetable compartment 4 is used to make the maintenances such as vegetables of storage fresh.In addition, be to finish to above-mentioned refrigerating chamber 2 supply cold air by refrigerating chamber passage 6, above-mentioned refrigerating chamber passage 6 is arranged on the back of refrigerating chamber along above-below direction.
In general, cold air is created on the evaporimeter that is arranged in the refrigerating chamber rear, and above-mentioned refrigerating chamber is arranged on the top of refrigerator usually.Above-mentioned cold air is supplied downwards from the top by above-mentioned refrigerating chamber passage 6.Be formed with the cold air tap of discharging cold air to refrigerating chamber on the mid portion of above-mentioned refrigerating chamber passage 6.
The bottom of above-mentioned refrigerating chamber passage 6 is attached at the rear of above-mentioned vegetable compartment 4.So the space supply of cold air between above-mentioned vegetable compartment 4 back and inner bin, especially the space between above-mentioned vegetable compartment 4 bottom surfaces and inner bin is supplied.In fact, cold air is not directly to be fed to vegetable compartment 4, but cools off indirectly via the back and the bottom surface of above-mentioned vegetable compartment 4.
But the refrigerator with prior art of said structure has following shortcoming:
When the user opened the door of refrigerator, the pent while of the driving of freeze cycle, the fan of supply cold air also stopped rotation.Like this, cause portion of external gas directly to be penetrated into the inside of refrigerating chamber 2, contact with the refrigerating chamber 2 inner food that store of protecting owing to opening door.But do not wish to occur this phenomenon.
Summary of the invention
In the refrigerator of prior art, when opening refrigerator doors, can prevent the structure of the extraneous gas intrusion of high temperature.
The purpose of this invention is to provide a kind of can preventing the extraneous gas of high temperature to greatest extent and be stored at the interior contacted cold air distribution device of food of refrigerating chamber to the concentrated cold air of the core of refrigerating chamber when the extraneous gas of high temperature is invaded.
In order to realize the purpose of the invention described above, the invention provides a kind of cold air distribution device of refrigerator, it is characterized in that: cold air distribution device mainly comprises refrigerating chamber, refrigerating chamber passage, blowing fan; The bottom of above-mentioned refrigerating chamber is provided with vegetable compartment; In order to supply cold air to above-mentioned refrigerating chamber, above-mentioned refrigerating chamber passage is supplied cold air by the bottom of above-mentioned refrigerating chamber passage to the rear of above-mentioned vegetable compartment along perpendicular direction setting; Said fan is set in place in the inside of the refrigerating chamber passage on above-mentioned vegetable compartment top, and and the vegetable compartment rear be connected, also and with binding passage that the bottom of refrigerating chamber passage is communicated be connected; By said fan, guide the cold air of vegetable compartment rear and refrigerating chamber passage bottom into top.
The cold air distribution device of the refrigerator of the present invention by having said structure can bring following effect:
Even the door of refrigerating chamber is opened, also can prevent to greatest extent owing to invade the high temperatureization that high-temperature gas causes from the outside.Owing to prevented that the food that is stored at refrigerating chamber inside from contacting with the extraneous gas of high temperature to greatest extent, so improved the reliability of food storage.
Description of drawings
Fig. 1 demonstrates the front elevation of existing technology refrigerator internal structure;
Fig. 2 demonstrates the front elevation of the refrigerator internal structure of the embodiment of the invention;
Schematic diagram when Fig. 2 a demonstrates the supply of normal cold air;
Fig. 2 b shows that the cold air under the open mode of going out distributes schematic diagram.
The critical piece description of reference numerals:
12: refrigerating chamber 14: vegetable compartment
16: refrigerating chamber passage 20: blowing fan
22: link passage 24: the cold air tap
The specific embodiment
With reference to the accompanying drawings, embodiments of the invention are elaborated.
Fig. 2 demonstrates the front elevation of the refrigerator internal structure of the embodiment of the invention.Schematic diagram when Fig. 2 a demonstrates the supply of normal cold air.Fig. 2 b shows that the cold air under the open mode of going out distributes schematic diagram.As shown in Figure 2, refrigerating chamber 12 inside are provided with refrigerating chamber passage 16.Above-mentioned refrigerating chamber passage 16 is devices that the cold air that generates in during the refrigerator heat exchange is supplied downwards.
Discharge to above-mentioned refrigerating chamber 12 inside by cold air tap 24 by the cold air that above-mentioned refrigerating chamber passage 16 is supplied downwards, make above-mentioned refrigerating chamber 12 keep specific temperature.In addition, the bottom of above-mentioned refrigerating chamber passage 16 is supplied to cold air in the space, bottom of the rear space and the vegetable compartment 14 of vegetable compartment 14.
That is to say the cold air of discharging, the space supply between above-mentioned vegetable compartment 14 and inner bin to the bottom of above-mentioned refrigerating chamber passage 16.Or rather, cold air is supplied to the rear and the below of above-mentioned vegetable compartment 14, and is distributed in the space of above-mentioned vegetable compartment 14 peripheries.
As shown in the figure, in the present invention, the cold air of supplying downwards from above-mentioned refrigerating chamber passage 16 is divided into two parts supply along the both side ends of above-mentioned refrigerating chamber passage 16.The bottom of above-mentioned in addition refrigerating chamber passage 16 is provided with blowing fan 20.In addition, be connected with the part that is provided with said fan 20 with binding passage 22a, 22b, the 22c that the bottom of above-mentioned refrigerating chamber passage 16 and the rearward end space of above-mentioned vegetable compartment 14 (back of vegetable compartment and the space between the inner bin) are communicated with.
The effect of said fan 20 is the central parts of the cold air that is stuck in the space, bottom of above-mentioned vegetable compartment 14 back end spaceses or above-mentioned refrigerating chamber passage 16 being guided into refrigerating chamber 12.
Overall work process to cold air distribution device of the present invention with said structure is elaborated below.
When refrigerator started, the cold air that generates by contacting with evaporimeter was supplied downwards along above-mentioned refrigerating chamber passage 16.By being formed on the cold air tap 24 of above-mentioned refrigerating chamber passage 16 fronts, cold air makes above-mentioned refrigerating chamber 12 keep specific low-temperature condition to above-mentioned refrigerating chamber 12 inner discharges.
The cold air of discharging from refrigerating chamber passage 16 bottoms moves through the rear of above-mentioned vegetable compartment 14 and the space of below, cools off above-mentioned vegetable compartment 14 indirectly.The supply process of above-mentioned cold air (door of refrigerator closing state) during the freeze cycle driving is finished.
When the user opened the door of refrigerator, freeze cycle was terminated, and by the door of opening, outside high temperature air is invaded to refrigerator inside.In the present invention, said fan 20 will work on, and by the driving of said fan 20, make the cold gas of above-mentioned vegetable compartment 14 rears and below move to the central part of refrigerating chamber 12 by above-mentioned binding passage 22.So under the door opened state, even there is the extraneous gas of high temperature to invade, the cold air of transferring to the refrigerating chamber central part by said fan 20 also can make refrigerating chamber keep low relatively temperature.
In the present invention, by the cold air of above-mentioned vegetable compartment 14 peripheries (rear of vegetable compartment and the place ahead) being guided into the central part of refrigerating chamber, reduced owing to the extraneous gas of the condition of high temperature is invaded the influence of temperature variation that causes.
The inside cold air of refrigerating chamber 12 moves down, and is stuck in above-mentioned vegetable compartment 14 rears or below.Under the state that door of refrigerator is opened, wish that the cold air of above-mentioned refrigerating chamber 12 belows still stays cool.So in the present invention, under the state that door of refrigerator is opened, the cold air that utilizes said fan 20 will be stuck in vegetable compartment 14 peripheries draws up, and the extraneous gas impact of high temperature is minimized.In addition, said fan 20 is connected with refrigerating chamber passage 16 inside by linking passage 22, also is connected with the rear of above-mentioned vegetable compartment 14 etc., so can guide the cold air below the refrigerating chamber or the cold air of refrigerating chamber passage 16 inside into the refrigerating chamber center.
So, when door of refrigerator is opened, even freeze cycle and blowing fan are (for the refrigerator of the indirect type of cooling, be the blowing fan that cold air is supplied to refrigerating chamber and refrigerating chamber) termination work, also can be discharged to the central part of refrigerating chamber 12 by the cold air that will be possible to use, prevent to greatest extent owing to outside high-temperature gas is invaded the high temperatureization that causes.
Up to the present, though be that the center has been described in detail with embodiments of the invention, the personnel that have general knowledge in the technical field of the invention can propose a lot of distortion in basic fundamental thought range of the present invention.Basic fundamental thought of the present invention is embodied in the protection domain that claim asks, and all differences point in the equal with it scope all should be interpreted as belonging to scope of the present invention.
Claims (1)
1, a kind of cold air distribution device of refrigerator is characterized in that:
Mainly comprise refrigerating chamber (12), refrigerating chamber passage (16), blowing fan (20);
The bottom of above-mentioned refrigerating chamber (12) is provided with vegetable compartment (14);
In order to supply cold air to above-mentioned refrigerating chamber, above-mentioned refrigerating chamber passage (16) is along perpendicular direction setting, link passage (22) and be communicated with the bottom of refrigerating chamber passage and the rearward end space of vegetable compartment, supply cold air to the rear of above-mentioned vegetable compartment by the bottom of above-mentioned refrigerating chamber passage (16);
Said fan (20) is set in place the below, inside in the refrigerating chamber passage on above-mentioned vegetable compartment top, and is connected with the vegetable compartment rear, also is connected with above-mentioned binding passage (22);
When refrigerator doors is opened,, guide the cold air that is stuck in vegetable compartment rear and refrigerating chamber passage bottom into the refrigerating chamber center by the blowing fan (20) of above-mentioned continuation rotary work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02126079 CN1230654C (en) | 2002-08-13 | 2002-08-13 | Cold air distribution device of electric refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02126079 CN1230654C (en) | 2002-08-13 | 2002-08-13 | Cold air distribution device of electric refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1475731A CN1475731A (en) | 2004-02-18 |
| CN1230654C true CN1230654C (en) | 2005-12-07 |
Family
ID=34143226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02126079 Expired - Fee Related CN1230654C (en) | 2002-08-13 | 2002-08-13 | Cold air distribution device of electric refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1230654C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6723828B2 (en) * | 2016-05-31 | 2020-07-15 | 東芝ライフスタイル株式会社 | refrigerator |
-
2002
- 2002-08-13 CN CN 02126079 patent/CN1230654C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1475731A (en) | 2004-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: Yingbin Road 2, Taizhou Economic Development Zone, Jiangsu Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051207 Termination date: 20130813 |