CN1202611A

CN1202611A - Refrigerator having device for generating air curtain

Info

Publication number: CN1202611A
Application number: CN 97113779
Authority: CN
Inventors: 全庸德
Original assignee: Daewoo Electronics Co Ltd
Current assignee: WiniaDaewoo Co Ltd
Priority date: 1997-06-14
Filing date: 1997-06-14
Publication date: 1998-12-23
Anticipated expiration: 2017-06-14
Also published as: CN1109868C

Abstract

A refrigerator has a device for generating an air curtain for shutting off an opening of a cooling compartment, and plates are disposed at a cool air discharge port of the air curtain generating device. The plates control the discharging direction of the cool air according to the opening and closing of a door. When the door is opened the air curtain for preventing the leakage of cool air is generated by the plates. When the door is closed, the cool air is supplied at the area adjacent to the door and the inner spaces of the pockets formed at the door. Thus the foodstuffs in the cooling compartment are rapidly and uniformly cooled.

Description

Refrigerator with device for generating air curtain

The present invention relates to have the refrigerator of device for generating air curtain, specifically, relate to a kind of like this refrigerator, wherein when door is closed, cold air is supplied with the storage that is arranged on the inner surface by device for generating air curtain.

Fig. 1 represents conventional refrigerator, and it has device for generating air curtain, and air curtain is used for blocking the opening of refrigerating chamber when door is opened.As shown in Figure 1, this refrigerator has one and separates each other by wall 27 and to form the housing 10 of refrigerating chamber 21 and refrigerating chamber 22, and a refrigerating chamber door 24 and a refrigerating-chamber door 25 of ON/OFF refrigerating chamber 21 and refrigerating chamber 22 respectively.

Compressor 23 is contained in the rear lower of housing 10, and evaporimeter 29 is contained in the rear portion of refrigerating chamber 21, is used for the cold-producing medium that the vapor-compression machine supplies with and produces cold air.Thermantidote 19 is contained in the upside of evaporimeter 29, is used to blow the cold air that evaporimeter 29 produces.

Device for generating air curtain 20 is arranged on refrigerating chamber 22 upsides.This device for generating air curtain 20 comprises a cold air channel 13 that is arranged on refrigerating chamber 22 upsides, and a blower fan 11 that is used for cold air is blown into from evaporimeter 29 cold air channel 13.Cold air channel 13 under shed, forms cold air outlet 15 at an end that is close to the refrigerating chamber opening.The cold air that is blown into cold air channel 13 is discharged downwards, so produced the air curtain that blocks refrigerating chamber 22 openings.

In refrigerating chamber 22, be provided with and detect refrigerating-chamber door 25 open/close sensor (not shown),, it is only detected at sensor turn round when door 25 is in open mode with control blower fan 11.Thereby, only when opening, door 25 just produces air curtain, to prevent from when door 25 is in open mode, to pass through the opening leakage air of refrigerating chamber 22.

The rear wall of refrigerating chamber 21 and refrigerating chamber 22 is provided with a plurality of cold-air vents 16,18.When door 25 is closed, coming the cold air of flash-pot 29 to be blown into, infeed refrigerating chamber 21 and refrigerating chamber 22 by thermantidote 19, thereby make the food that is stored in refrigerating chamber 21 and the refrigerating chamber 22 obtain freezing respectively and refrigeration.

But, in so traditional refrigerator, the problem that exists the position of adjacent doors 25 effectively not cooled off.When door 25 was opened, the position of adjacent doors 25 directly contacted with extraneous air, thereby the temperature here rises to outdoor temperature at short notice.But in such conventional refrigerator, because the position of adjacent doors 25, the inner space that especially is arranged on the storage on door 25 inner surfaces can not directly be cooled off, and can not obtain rapidly and cooling uniformly.

Proposition of the present invention will overcome the above-mentioned defective of prior art exactly, and therefore, one object of the present invention just provides a kind of refrigerator, the position of adjacent doors wherein, and the inner space that is arranged on the storage on the door, can cool off rapidly, thereby cold air can evenly distribute at refrigerating chamber.

In order to achieve the above object, the invention provides a kind of refrigerator with housing, door and evaporimeter, its middle shell forms refrigerating chamber; Door is installed on the described housing, is used for the opening of the described refrigerating chamber of ON/OFF, also is provided with the storage of splendid attire food on described door inner surface; Evaporimeter is used to produce cold air, and described refrigerator comprises: a cold air channel, and it has an air suction inlet at the position of contiguous described evaporimeter, has a cold air outlet at contiguous described refrigerating chamber opening; A fan that is used to blow air in the described cold air channel is discharged from described evaporimeter cold air by this fan by the cold air outlet; Be arranged in the some blocks of plates at contiguous air outlet position, be used to control the emission direction of the cold air of discharging by the cold air outlet; A device that detects described door open-close; Reach a testing result and control the device of described plate, thus, when described door is opened, just produced the air curtain that blocks described shell nozzle, after described door is closed, just cold air is supplied with storage by described plate according to described checkout gear.

Here, described control device preferably includes: a press button and an elastic component that is used for the described press button of elastic bearing, this press button is contained on the described housing, is used for when closing respectively or opening pushing by described door or discharges the translation-angle position.

Can understand the present invention better, more fully understand various purpose of the present invention and advantage, wherein from detailed description below in conjunction with accompanying drawing

Fig. 1 is the conventional refrigerator sectional side view with device for generating air curtain;

Fig. 2 and Fig. 3 are the sectional side views of refrigerator of the present invention.

The present invention is described hereinafter with reference to the accompanying drawings.

Fig. 2 and Fig. 3 are the sectional side views of refrigerator of the present invention, and wherein Fig. 2 represents that door is in open mode, and Fig. 3 represents that door is in closed condition.Conventional refrigerator as shown in Figure 1 is the same, and refrigerator of the present invention has: a housing 30, and wherein shell 30 forms refrigerating chamber 41 and the refrigerating chamber 42 that separates each other by wall 47; And 44, one refrigerating-chamber doors 45 of a refrigerating chamber door, ON/OFF refrigerating chamber 41 and refrigerating chamber 42 respectively.Be provided with some storages 46 of food container at the inner surface of refrigerating-chamber door 45.

Compressor 43 is contained in the rear lower of housing 30, is used for being contained in by the evaporimeter 49 that the cold-producing medium that vapor-compression machine 43 is supplied with produces cold air the rear portion of refrigerating chamber 41.At evaporimeter 49 upsides the thermantidote 39 that is used to blow the cold air that evaporimeter 49 produces is housed, so that cold air is supplied with refrigerating chamber 41 and refrigerating chamber 42 respectively.

Device for generating air curtain 40 is arranged on the upside of refrigerating chamber 42, is used for the opening that blocks refrigerating chamber 42 of opening according to refrigerating-chamber door 45.Device for generating air curtain 40 comprises the cold air channel 33 that is arranged on refrigerating chamber 42 upsides, and is used for cold air is blown into from evaporimeter 49 blower fan 31 of cold air channel 33.Cold air channel 33 is provided with cold air outlet 35 under shed at an end of contiguous refrigerating chamber 42 openings.The cold air that is blown into cold air channel 33 discharges downwards, has produced the air curtain that blocks refrigerating chamber 42 openings thus.As for blower fan 31, the cross flow fan that employing can evenly be dried.

The position of contiguous cold air outlet 35 is provided with several plates 70 on wall 47.Plate 70 rotatably is contained on the axle 71 of the portion wherein of being positioned at, the discharge direction of the cold air that control is discharged by cold air outlet 35.

Press button 60 is contained in the front surface of refrigerating chamber 42.Press button 60 stretches out the front surface of housing 30 by elastic component 66 elastic bearings, and elastic component 66 is by support 67 supportings.Press button 60 is pressed when door 45 is closed, and discharges when door is opened.Press button 60 stretches into wall 47, is connected with plate 70 upper ends.When press button discharged, plate 70 just kept plumbness shown in Figure 2, so that the cold air of discharging directly flows downward and produces the air curtain that blocks refrigerating chamber 42 open front.When press button 60 was subjected to pushing, plate 70 rotated, and its upper end is moved to right a little, and the predetermined angular that tilts, the inner surface of the air backup plate 70 guiding refrigerating-chamber doors 45 of therefore discharging.Thereby just cold air has been supplied with the zone of contiguous refrigerating-chamber door 45 and the inner space of storage 46, so just can Keep cool equably the intensity of cooling of chamber.

As mentioned above, the present invention utilizes air curtain to prevent the leakage of cold air when door is opened, and cold air is provided can for when door is closed the zone of adjacent doors and the storage inner space that is arranged on the door, make thus food in the refrigerating chamber can be rapidly, evenly cool off.

Though described and illustrated the present invention in detail, clearly, it can not be used as restriction only as an illustration and example, and spirit wherein of the present invention and protection domain are limited in appended every claim.

Claims

1. a refrigerator has housing, door and evaporimeter, and its middle shell forms refrigerating chamber; Door is installed on the described housing, is used for the opening of the described refrigerating chamber of ON/OFF, and described door inner surface is provided with the storage of splendid attire food; Evaporimeter is used to produce cold air, and described refrigerator comprises:

A cold air channel, it has a cold air intake at the position of contiguous described evaporimeter, has a cold air outlet at contiguous described refrigerating chamber opening;

A fan that is used to blow the air in the described cold air channel is discharged from described evaporimeter cold air by this fan by the cold air outlet;

Be arranged in the some blocks of plates at contiguous cold air outlet position, be used to control the emission direction of the cold air of discharging by the cold air outlet;

A device that detects described door opened/closed state; And

Testing result according to described checkout gear is controlled the device of described plate, thus, has just produced the air curtain that blocks described shell nozzle when described door is opened, and just by described plate cold air is supplied with storage after described door is closed.

2. refrigerator as claimed in claim 1 is characterized in that, described control device comprises,

A press button, this press button is contained on the described housing, is used for when closing respectively or opening pushing by described door or discharges the translation-angle position; And

An elastic component that is used for the described press button of elastic bearing.