CN100432591C

CN100432591C - Refrigerator

Info

Publication number: CN100432591C
Application number: CNB2005100765983A
Authority: CN
Inventors: 李载圭; 李在承; 闵竣基
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2004-10-06
Filing date: 2005-06-10
Publication date: 2008-11-12
Anticipated expiration: 2025-06-10
Also published as: US20060070395A1; KR20060030760A; CN1757999A

Abstract

A refrigerator capable of adjusting a discharge position and a quantity of cold air discharged into the refrigerator. The refrigerator includes an inner panel installed at a rear surface of a storage chamber and having cold air outlets for forming a cooling channel. The refrigerator also includes a variable duct installed at one of the cold air outlets such that the variable duct can move back and forth to vary a length of the cooling channel, and a plurality of cold air distribution holes formed in the variable duct.

Description

Refrigerator

Technical field

The present invention relates to refrigerator, relate in particular to the refrigerator with cooling duct, wherein said cooling duct can be changed, with the uniform distribution cold air in storeroom.

Background technology

Usually, refrigerator comprise the rear portion that is arranged on compartment interior so that cold air in the cooling duct of storage indoor circulation, be installed in the fan in the cooling duct and be installed in the cooling duct evaporimeter with the cool cycles air.Refrigerator further comprises a plurality of cold-air vents, and the rear surface of described cold-air vent by storeroom forms, make the cooling air outlet slit be separated from each other, and be communicated with the cooling duct, with distribute cool air in storeroom.When the fan work of refrigerator, the air that sucks in the storeroom in the cooling duct passes through evaporator cools, and supplies with the inside of storeroom once more by cold-air vent, thus the inside of cold storage chamber.

The inside of the storeroom of above-mentioned refrigerator by a plurality of shelves separately, and the fixing position of cold-air vent, with the supply cold air to the space between each shelf.When the food that the quantity of food on being placed on shelf differs from one another or cold-air vent usefulness is stored covers, produce the temperature difference in the space between the shelf in storeroom, thereby be difficult to cold storage chamber equably.

In order to address the above problem, Korean Patent public publication No.1999-017349 (publication on March 15th, 1999) has disclosed the refrigerator with apparatus for distributing chilled air.Because the apparatus for distributing chilled air of above-mentioned refrigerator comprises drive motors and driving cam, to adjust the direction of the cold air that distributes.Cold-producing medium has complicated structure, thereby production cost is very high.

Summary of the invention

Therefore, an aspect of of the present present invention provides a kind of like this refrigerator, wherein can adjust the exhaust position and the quantity of cold air, thereby is convenient to the uniform distribution cold air in storeroom, and has simple structure.

Other aspect of the present invention and/or advantage will partly be set forth in the following description, and are in part apparent in from then on describing, and maybe can obtain by enforcement of the present invention.

By providing a kind of like this refrigerator to obtain aforementioned and/or others of the present invention, described refrigerator comprises: inner panel, and the rear surface that is installed in storeroom is located, and has the cold-air vent that is used to form the cooling duct; Variable duct is installed in one of them place of cold-air vent, makes variable duct to move forward and backward, thereby changes the length of cooling duct; With a plurality of cold air dispensing orifices, pass variable duct and form.

Described inner panel can comprise a plurality of cold-air vents that are communicated with the cooling duct, and variable duct can be installed in and go up the cold-air vent place most in a plurality of cold-air vents, makes variable duct to move forward and backward.

Described inner panel can further comprise from going up most the extension that cold-air vent extends forward, and variable duct can move forward and backward under its rear end of opening wide enters the condition of inside of extension.

In addition, described variable duct can comprise: the constant width part, and described constant width part locates to have the width corresponding to the width of extension in its back-end, and wherein said constant width part moves forward and backward along the inner surface of extension; With width minimizing part, have side surface, described side surface tilts and reduces to its front portion from the width constant portion for making width reduce width partly.

Described cold air dispensing orifice can reduce the front end formation of the side surface and the variable duct of part by width.

Refrigerator can further comprise the passage adjusting device, and described passage adjusting device is installed in the variable duct, and interacts with the operation of variable duct, changes the cross-sectional area of the passage in the variable duct by the motion of variable duct.

And, when drawing variable duct when increasing the length of cooling duct forward, the passage adjusting device can increase the width of channel in the variable duct, and when pulling back variable duct when reducing the length of cooling duct, the passage adjusting device can reduce the width of channel in the variable duct.

The passage adjusting device can comprise first and second guides, and described first and second guides comprise the leading section that is connected rotationally with the front end of the inside of variable duct and the rearward end that is connected rotationally with inner panel respectively.First and second guides have the joggling part (refractive member) between leading section and rearward end respectively, and the width of wherein said first and second guides is corresponding to the width of variable duct.

And the rearward end of described first and second guides can be connected to each other by the supporting pin that is fixed on the inner panel, makes that the rearward end of described first and second air guide members is crooked toward each other.

In addition, projection can be installed between first and second air guide members in the variable duct, shrink towards the middle body of variable duct to prevent first and second air guide members.

Guide part and back guide part before described first and second air guide members can comprise respectively, described before guide part and back guide part be connected to make each back guide part and corresponding before guide part crooked toward each other.

Description of drawings

In conjunction with the accompanying drawings, according to following description to embodiment, these and/or others of the present invention and advantage will become apparent and be more readily understood.

Fig. 1 is the longitudinal section according to refrigerator of the present invention;

Fig. 2 is a perspective view, and the variable duct and the passage adjusting device of the refrigerator of Fig. 1 according to an embodiment of the invention is shown;

Fig. 3 is a longitdinal cross-section diagram, is illustrated under the state of pusher variable duct the variable duct of the refrigerator of Fig. 1 according to an embodiment of the invention and passage adjusting device; And

Fig. 4 is a longitdinal cross-section diagram, is illustrated under the state of pusher and stretching variable duct the variable duct of the refrigerator of Fig. 1 according to an embodiment of the invention and passage adjusting device.

The specific embodiment

Now will be in detail referring to embodiments of the invention, its example is shown in the drawings, and wherein same reference numerals is represented similar elements all along.For the present invention is described, referring to accompanying drawing embodiment is described below.

In Fig. 1, refrigerator according to the present invention comprises: main body 10 wherein is equipped with storeroom 11; Door 12 is installed in rotation on the front surface of main body 10, to open and close the front surface that opens wide of storeroom 11.Shelf 13a and 13b and a plurality of

container

14a, 14b and 14c are installed in the storeroom 11, be used for collecting food to be stored, and a plurality of door pocket (door pocket) 15 are installed on door 12 the inner surface, are used for collecting food to be stored.

The inner panel 17 that is used for forming cooling duct 16 is installed on the rear surface of inside of storeroom 11, make inner panel 17 separate, and be used for cooling off the evaporimeter 18 of the air by cooling duct 16 circulations and the fan 19 that is used for forcing air to enter storeroom 11 circulations is installed on the inner panel 17 by the rear wall of appointed interval and main body 10.Inlet 20 and a plurality of cold-

air vent

21a, 21b and 21c form on the top of inner panel 17, wherein said inlet is used for when fan work the air of storeroom 11 inside is sucked cooling duct 16, and described a plurality of cold-

air vent

21a, 21b and 21c are used for discharging the air of evaporimeter 18 coolings to storeroom 10 inside.

The refrigerator configurations of embodiments of the invention is for making exhaust position and the quantity of adjusting cold air according to the amount or the position of the stored food in the storeroom 11.Therefore, the extension 23 that is used for cooling duct 16 is extended designated length forms at the cold-air vent 21a place of going up most that is formed on inner panel 17, and moves forward and backward designated length and be installed in 23 places, extension with the variable duct 30 of the length of change cooling duct 16.Being used for a plurality of cold air dispensing orifices 33 of uniform distribution cold air forms by variable duct 30.

In Fig. 2, variable duct 30 is box-shaped conduit, be included in the constant width part 31 that its rear end forms, described constant width partly has the width corresponding to the width of

extension

23,23 inner surface moves forward and backward along the extension to make constant width part 31, and width reduces part 32 and has side surface, and described side surface tilts for making width that width reduces part 32 reduce 30 the front portion from width constant portion 31 to variable duct.The rear end open of variable duct 30 makes the inside of variable duct 30 be communicated with cooling duct 16 in the extension 23, and cold air dispensing orifice 33 reduces at width on the front end of the side surface of part 32 and variable duct 30 and forms.

When the user moves forward and backward variable duct 30 when adjusting the length of cooling duct 16, variable duct 30 changes the exhaust position of the cold air of supplying with from cold air dispensing orifice 33, thus the supply of control cold air.Because variable duct 30 has the structure that makes that the cross-sectional area of variable duct 30 reduces to the front portion of variable duct 30 from the rear portion of variable duct 30, even 16 also be so when stretching in the cooling duct, do not reduce a lot from the speed of the cold air of cold air dispensing orifice 33 dischargings.And, owing to the side surface of the cold air dispensing orifice 33 that forms on the side surface of variable duct 30 with storeroom 11 separates, so cold air is supplied with the inside of storeroom 11 effectively.

Because variable duct 30 is installed in the top of storeroom 11, so need not to disturb the food that is stored in the storeroom 11, just may adjust the length of cooling duct 16, and because the cold air dispensing orifice 33 on the top of cold air by being placed on storeroom 11 is assigned to the inside of storeroom 11, institute is so that cold air enters storeroom 11 circulations.In other words, evenly obtain wherein to pass through the cold air decline of the All Ranges in the storeroom 11 and the convection current of rising, thereby make the temperature difference minimum in the storeroom 11 than warm air.

Refrigerator further comprises passage adjusting device 40, and described passage adjusting device is adjusted the amount by the cold air of cold air dispensing orifice 33 dischargings by the cross-sectional area that increases or reduce passage 50 (shown in Fig. 3) that moves forward and backward according to variable duct 30.

As shown in Fig. 2 and 3, passage adjusting device 40 comprises first air guide member 41 and second air guide member 42, and described first air guide member and second air guide member be arranged in parallel in variable duct 30 sides.

Guide part

41a and 42a and

back guide part

41b and 42b before first and second

air guide members

41 and 42 comprise respectively, they are connected with 42c by joggling part 41c, and feasible

back guide part

41b and 42b difference be guide

part

41a and 42a warpage in the past.First and second air guide members 41 are connected with the Inner Front End of variable duct 30 rotationally with 42 preceding guide part 41a and the front end of 42a, and first and second air guide members 41 and the rear end of 42

back guide part

41b and 42b are connected rotationally with the extension 23 that plate 17 internally extends.Here, fixedly connected with the supporting pin 44 that is fixed to extension 23 in the rear end of

back guide part

41b and 42b, makes that the rear end of

back guide part

41b and 42b is warpage each other under the mobile restricted condition of the rear end of

back guide part

41b and 42b.

First and second

air guide members

41 and 42 width make first and

second guides

41 and 42 guiding air enter variable duct 30 circulations corresponding to the width of variable duct 30.The first protruding 45a and the second protruding 45b are installed in the specified location between first and second

air guide members

41 and 42 in the variable duct 30, prevent that first and second

air guide members

41 and 42 are retracted to the middle body of variable duct 30.

As shown in Figure 3, as user during to pusher variable duct 30, passage adjusting device 40 is by warpage, make first and second air guide members 41 of adjusting

device

40 and 42 joggling

part

41c and 42c near the inner surface of variable duct 30, thereby the width (W1) of realizing the passage 50 in the variable duct 30 reduce.As shown in Figure 4, when the user pushes away variable duct 30 with extension passages forward, 40 elongations of passage adjusting device, make first and second air guide members 41 of adjusting

device

40 and 42 joggling

part

41c and 42c away from the inner surface of variable duct 30, thereby the width (W2) of realizing the passage 50 in the variable duct 30 increase.

Below, will describe the operation that above-mentioned refrigerator makes the cold air circulation in detail.

When 19 work of the fan in the cooling duct 16, the air in the storeroom 11 is drawn onto the bottom of evaporimeter 18 by the inlet 20 of cooling duct 16.Air is then supplied with the inside of storeroom 11 once more by evaporimeter 18 coolings by cold-

air vent

21a, 21b and 21c, thus cold storage chamber 11.

Guide forward by extension 23 and variable duct 30 from going up most cold-air vent 21a air discharged, then be discharged into the top of storeroom 11 by the cold air dispensing orifice 33 that passes variable duct 30 formation.

When the food preservation with high thermic load in storeroom 11 assigned address or because the food air that is stored at does not wherein enter storeroom 11 circulation times effectively, the user adjusts the position of variable duct 30, with the exhaust position and the discharge capacity of control cold air.Therefore, may be under the condition of the temperature difference minimum that makes storeroom 11 inside even cold storage chamber 11, and do not change the condition of work of fan 19.

Promptly, as shown in Figure 3, when the user to pusher variable duct 30 when increasing the length of cooling duct 16, the position of the cold air dispensing orifice 33 that forms by variable duct 30 is bias voltage backward, thereby mainly points to the rear portion of storeroom 11 from the cold air that cold air dispensing orifice 33 is supplied with.Here, because the passage adjusting device 40 in the variable duct 30 reduces the width (W1) of the passage 50 in the variable duct 30, reduce so pass through the amount of the cold air of cold air dispensing orifice 33 dischargings.Reason is, the pressure of the cold air by 33 dischargings of cold air dispensing orifice reduces, thereby cold air is mainly supplied with the rear portion of storeroom 11.

On the other hand, as shown in Figure 4, when the user draws variable duct 30 when increasing the length of cooling duct 16 forward, the position of the cold air dispensing orifice 33 that forms by variable duct 30 moves forward, and makes the cold air of supplying with from cold air dispensing orifice 33 mainly point to the front portion of storeroom 11.Here, because the passage adjusting device 40 in the variable duct 30 increases the length of the passage 50 in the variable duct 30, increase so pass through the amount of the cold air of cold air dispensing orifice 33 dischargings.As mentioned above, refrigerator of the present invention moves forward and backward variable duct 30, adjusting the exhaust position and the amount of cold air, thereby suitably controls the circulation of cold air according to the position that is stored at the food in the storeroom 11 or thermic load.

From top description, it is evident that, the invention provides a kind of refrigerator, wherein by moving forward and backward the variable duct on the top that is arranged on storeroom, adjust the exhaust position of cold air, and by with the operation of the passage adjusting device that is operatively connected of variable duct, the discharge capacity of whole cold air is evenly distributed in the storeroom thereby be convenient to cold air, and has than the simple structure of conventional refrigerator.

Although illustrated and described embodiments of the invention, it will be apparent to one skilled in the art that and to make a change present embodiment, and do not depart from the spirit and scope of the present invention that scope is limited by claims and equivalent thereof.

Claims

1. refrigerator comprises:

Inner panel, the rear surface that is installed in compartment interior is located, and comprises a plurality of cold-air vents, and this inner panel is used to form the cooling duct of described refrigerator;

Variable duct is installed in one of them place of cold-air vent, makes variable duct move forward and backward, thereby changes the length of cooling duct; And

The a plurality of cold air dispensing orifices that in variable duct, form;

Wherein, described variable duct is installed in a cold-air vent place in the described cold-air vent that is formed on storeroom top, makes described variable duct move forward and backward;

Described inner panel comprises the extension of extending forward from the cold-air vent that forms on storeroom top; Wherein the open end of variable duct enters the inside of extension, to move forward and backward therein.

2. refrigerator according to claim 1, wherein said variable duct comprises:

The constant width part, described constant width part locates to have the width corresponding to the width of extension in its back-end, and wherein said constant width part moves forward and backward along the inner surface of extension; And

Width reduces part, has side surface, and described side surface tilts for reducing the front portion of width from the width constant portion to described variable duct that makes width reduce part.

3. refrigerator according to claim 2, wherein the cold air dispensing orifice reduces at width on the front end of the side surface of part and variable duct and forms.

4. refrigerator according to claim 3, further comprise the passage adjusting device, described passage adjusting device is installed in the variable duct, and interacts with the operation of variable duct, by the cross-sectional area that changes the passage in the variable duct that moves forward and backward of variable duct.

5. refrigerator according to claim 4, wherein said passage adjusting device comprises first and second air guide members, described first and second air guide members are respectively arranged with the front end that is connected rotationally with the Inner Front End of variable duct and the rear end that is connected rotationally with inner panel, and described first and second air guide members comprise the joggling part between the front-end and back-end of described first and second air guide members respectively.

6. refrigerator according to claim 5, the width of wherein said first and second guides enter the variable duct circulation corresponding to the width of variable duct with the guiding air.

7. refrigerator according to claim 5 further comprises supporting pin, and the rear end of wherein said first and second air guide members is connected to each other by the supporting pin that is fixed on the inner panel, makes the rear end warpage each other of described first and second air guide members.

8. refrigerator according to claim 5 further comprises projection, and described projection is installed between first and second air guide members in the variable duct, and wherein said projection prevents that first and second air guide members from shrinking towards the middle body of variable duct.

9. guide part and back guide part before refrigerator according to claim 5, described first and second air guide members comprise respectively, described before guide part and back guide part be connected to make each back guide part and corresponding before guide part warpage each other.

10. refrigerator with storeroom comprises:

The cooling duct, the rear surface that is positioned at storeroom is located, and is used for discharging cold air in refrigerator; And

Variable duct is installed in the top of cooling duct movably, is used for changing the exhaust position and the discharge capacity that are discharged into the cold air in the refrigerator, thus the supply of control cold air;

Wherein said cooling duct comprises the extension, is used for making the cooling duct extend designated length when exhaust position that changes cold air and discharge capacity; The inside of variable duct forms passage, and in the open end of the variable duct insertion extension, moves forward and backward therein to allow variable duct.

11. refrigerator according to claim 10, wherein variable duct comprises the straight line portion that is positioned at its rear portion, described constant width partly has the width corresponding to the width of extension, when wherein the exhaust position of the cold air in change is discharged into storeroom was with amount, the constant width part of described variable duct moved forward and backward along the inner surface of the extension of cooling duct.

12. refrigerator according to claim 11 further comprises the passage adjusting device, described passage adjusting device is installed in the passage of variable duct, is used for changing according to the motion of variable duct the cross-sectional area of passage.

13 refrigerators according to claim 12, wherein said variable duct further comprises the air dispensing orifice, described air dispensing orifice is used for discharging cold air in storeroom.

14. refrigerator according to claim 13, wherein said passage adjusting device comprises:

First and second air guide members, described first and second air guide members have the first end that is connected rotationally with the interior front portion of variable duct and the second end that is connected rotationally with the cooling duct.

15. refrigerator according to claim 14, wherein when variable duct towards rearward the moving up of the rear portion of storeroom the time, described passage adjusting device is by warpage, and the minimizing of the width of channel in the variable duct, thereby reduces the discharge capacity of the anterior interior cold air that is discharged into storeroom.

16. refrigerator according to claim 15, wherein when variable duct towards forwards the moving up of the front portion of storeroom the time, described passage adjusting device elongation makes that the width of channel in the variable duct increases, thereby increases the amount of the anterior interior cold air that is discharged into storeroom.