CN1150395C - Refrigerator having device for generating air curtains - Google Patents
Refrigerator having device for generating air curtains Download PDFInfo
- Publication number
- CN1150395C CN1150395C CNB971137773A CN97113777A CN1150395C CN 1150395 C CN1150395 C CN 1150395C CN B971137773 A CNB971137773 A CN B971137773A CN 97113777 A CN97113777 A CN 97113777A CN 1150395 C CN1150395 C CN 1150395C
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- opening
- refrigerator
- refrigerating chamber
- exhaust outlet
- door
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Abstract
The present invention relates to a refrigerator which is provided with a cold air channel, a blowing fan, and a device for opening / closing the air outlet ports, wherein the all the air outlet ports of the cold air channel are respectively positioned in the opening position near a freezing chamber and a food refreshing chamber; the blowing fan is used for discharging gas in the cold air channel so as to generate air curtains for shielding the opening of the freezing chamber and the food refreshing chamber. When a door is opened, an opening /closing device is opened correspondingly to the air outlet port of the opened door; thus, the air curtains are formed in the freezing chamber and the food refreshing chamber.
Description
Technical field
The present invention relates to a kind of refrigerator with device for generating air curtain, wherein this air curtain is formed at when refrigerator doors is opened in the refrigerating chamber corresponding to the refrigerator doors of opening.
Background technology
Fig. 1 represents a conventional refrigerator, and it has a device for generating air curtain, is used for blocking the opening of refrigerating chamber.As shown in Figure 1, this refrigerator has a casing 10, and it is formed with a refrigerating chamber 21 and a fresh food 22 of being separated mutually by a wallboard 27; One refrigerating chamber door 24 and a fresh food door 25, ON/OFF refrigerating chamber 21 and fresh food 22 respectively.
One compressor 23 is installed in the lower rear of casing 10; One evaporimeter 29 is installed in the rear portion of refrigerating chamber 21, produces cold air by the cold-producing medium that evaporates from compressor 23; Cooling fan 19 is installed in the top of evaporimeter 29, is used for blowing the cold air that is produced by evaporimeter 29.This cooling fan 19 comprises two fans, and they are respectively to refrigerating chamber 21 and fresh food 22 supply cold air.
One device for generating air curtain 20 is positioned at the top of fresh food 22.This device for generating air curtain 20 comprises the cold air path 13 and the blowing fan 11 that are positioned at fresh food 22 tops, it in the future the cold air of flash-pot 29 be blown in this cold air path 13.This cold air path 13 forms a cool air discharge ports 15 at the one end, and Open Side Down facing to the position of the opening of contiguous fresh food 22.The cold air that is blown in the cold air path 13 is discharged downwards, has produced the air curtain that blocks fresh food 22 openings thus.
In fresh food 22, a sensor (not shown) is arranged, it is used to detect fresh food refrigerator doors 25 ON/OFF, only when sensor detects the opening of refrigerator doors 25, blowing fan 11 just controlled runnings.Like this, only when refrigerator doors 25 was opened, air curtain just produced, thereby under the opening of refrigerator doors 25, prevented that the opening that cold air passes through fresh food 22 from leaking.
Some cold air mouths 16,18 are positioned on the squab panel of refrigerating chamber 21 and fresh food 22.When refrigerator doors 25 was closed, the cold air that comes flash-pot 29 blowed by cooling fan 19, is supplied to refrigerating chamber 21 and fresh food 22, and therefore, the food that is stored in refrigerating chamber 21 and the fresh food 22 is frozen respectively and refrigerates.
Subsist the cold air of fresh-keeping chamber 25 again by cold air path 13 by cold air mouth 18, flow to evaporimeter 29.When refrigerator doors 25 was opened, cold air path 13 entered pipe as one, produces air curtain; When refrigerator doors is closed, it is as a circulation pipe, and cold air circulates.
But a kind of conventional refrigerator like this has such problem, promptly only produces air curtain in fresh food 22, so can't prevent the cooling gas leakage in the refrigerating chamber 21.Usually, because the temperature in the refrigerating chamber 21 still is lower than the temperature in the fresh food 22, though the fresh food 22 that the frequency of utilization of refrigerating chamber 21 compares is lower, the leakage rate of cold air is very big at short notice.So, even when refrigerating chamber door 25 is opened, also need to produce air curtain, but in general refrigerator, because fresh food 22 is used more frequent than refrigerating chamber 21, also because of the space of fresh food 22 makes that than refrigerating chamber 21 is bigger cooling gas leakage amount in the fresh food 22 is more, so only in fresh food 22, adopt device for generating air curtain 20.And then, just such problem is arranged, if all adopt device for generating air curtain in refrigerating chamber 21 and fresh food 22, it is complicated that the profile of refrigerator just becomes, manufacturing expense improves.
Summary of the invention
Proposition of the present invention is in order to overcome the problems referred to above in the prior art, therefore, an object of the present invention is to provide a kind of refrigerator, this refrigerator has a device for generating air curtain, it all can form air curtain in refrigerating chamber and fresh food, therefore can prevent the leakage of cold air effectively, and the simple structure of this refrigerator.
For reaching above-mentioned purpose, the present invention proposes a kind of refrigerator, and this refrigerator has a casing, and it forms the refrigerating chamber of isolating mutually; Each that is installed on described each refrigerating chamber is used for distinguishing each opening of the described refrigerating chamber of ON/OFF, and described refrigerator comprises: one has the cold air path of plurality of rows gas port, and these exhaust outlets are opened the position at contiguous described each refrigerating chamber opening respectively; The blowing fan of the air in the described cold air path of one discharging produces air curtain thus, blocks the opening of described each refrigerating chamber; And the device of ON/OFF and relative each exhaust outlet of opening of door when described refrigerator doors is opened.
Description of drawings
The present invention will be understood better from the description below in conjunction with accompanying drawing, and its various purposes and advantage also more fully are familiar with.Wherein:
Fig. 1 one has the side view of the conventional refrigerator of a device for generating air curtain;
Fig. 2 is the side view of the refrigerator of one embodiment of the invention: and
Fig. 3 is the side view of the refrigerator of another embodiment of the present invention.
The specific embodiment
Here, the present invention makes detailed description with reference to the accompanying drawings.
Fig. 2 is the side view of the refrigerator of one embodiment of the invention.Refrigerator of the present invention is the same with as shown in Figure 1 conventional refrigerator, has: a casing 30, and it is formed with a refrigerating chamber 41 and fresh food 42 of being separated mutually by a wallboard 47; One refrigerating chamber door 44 and a fresh food door 45 be ON/OFF refrigerating chamber 41 and fresh food 42 respectively.
One compressor 43 is installed in the lower rear of casing 30, and an evaporimeter 49 is installed in the rear portion of refrigerating chamber 41, produces cold air by the cold-producing medium that evaporates from compressor 43.Above evaporimeter 49, a cooling fan 39 is installed, blow the cold air that evaporimeter 49 is produced, to refrigerating chamber 41 and fresh food 42 supply cold air.
One device for generating air curtain 40 is arranged in wallboard 47, and device for generating air curtain 40 comprises that one is positioned at the cold air path 33 and a blowing fan 31 of fresh food 42 tops, and this blowing fan is used in the future the cold air of flash-pot 49 and sends into cold air path 33.Cold air path 33 is formed with cool air discharge ports 35a at the one end, and 35b, their exhaust outlet face toward the position of the opening of contiguous refrigerating chamber 41 and fresh food 42 respectively up and down.The cold air that is blown into cold air path 33 is discharged up and down, has produced air curtain thus, blocks the opening of refrigerating chamber 41 and fresh food 42.But blowing fan 31 adopts the axial-flow fan of balanced ventilation.
The position of the cool air discharge ports 35 in contiguous wallboard 47 has a device 70 that is used for this exhaust outlet 35 of ON/OFF.This opening/closing device 70 comprises and is used for respectively ON/OFF exhaust outlet 35a, the baffle plate 71 of 35b; By the press button 72 that is installed on the casing 30, when door 44,45 is compressed by door 44,45 during switches respectively and unclamps, and spring element 73, they are respectively applied for and flexibly support each press button 72, and spring element 73 is positioned at one in the cold air path 33 frame 75 is supported.
When press button 72 was compacted, exhaust outlet 35a, 35b were closed by baffle plate 71 separately respectively.So, when door 44,45 is closed, do not produce air curtain.When press button 72 unclamped, press button 72 was promoted by the elastic force of corresponding spring element 33, and baffle plate 71 is opened each self- corresponding exhaust outlet 35a, 35b like this.So when refrigerating chamber door 44 was opened, overhead gage had been opened last exhaust outlet 35a, produces an air curtain thus, blocks the opening of this refrigerating chamber 41.When fresh food door 45 was opened, lower baffle plate had been opened time exhaust outlet 35b, produces an air curtain thus, blocks the opening of fresh food 42.When two doors 44,45 were all opened, two baffle plates 71 were opened two exhaust outlet 35a, and 35b has all produced air curtain at refrigerating chamber 41 and fresh food 42 thereupon.
Fig. 3 is the side view of the refrigerator of another embodiment of the present invention.In this embodiment, with embodiment is the same as shown in Figure 2, refrigerator has is with a pair of cool air discharge ports 35a, the cold air path 33 of 35b and a device for generating air curtain 40, and it has a blowing fan 31 that is installed in the cold air path 33.
In this embodiment, exhaust outlet opening/closing device 80 comprises an opening/closing member 81, and this element is installed in rotation in the cold air path 33, according to its position of rotation ON/OFF exhaust outlet 35a, 35b.Press button 82 is installed on the casing 30, and when door 44,45 was closed respectively and opened, press button was compressed by door 44,45 and unclamps, and spring element 83 is used for flexibly button support switch 82 respectively.The carriage 85 that spring element 83 is positioned at respectively in the cold air path 33 is supported.
The cross section of this opening/closing member is semicircle, and its side surface facing to blowing fan 31 is plane surface 81a, and the back surface of plane surface 81a is semicircular surface 81b.This opening/closing member 81 heart therein has one 87, and it can rotate for the center of circle by axle 87.In cold air path 33, along continuous straight runs is formed with a groove 88 on a predetermined length, and axle 87 is contained in the groove 88.Like this, this opening/closing member 81 can move along the longitudinally of cold air path 33.
One end of each press button 82 stretches out the front side of casing 30, and the semicircular surface 81b of its other end and opening/closing member 81 joins, when two 44,45 when closing, opening/closing member 81 is shifted to blowing fan 31 by press button 82, so two exhaust outlet 35a, 35b is closed.So, when chamber door 44,45 is closed, do not produce air curtain.When fresh food door 45 was opened, the knob down switch was subjected to the elastic force of lower spring element 83 and stretches out casing 30, so opening/closing member 81 is opened the exhaust outlet 35b corresponding to fresh food 45, as shown in Figure 3.Like this, when fresh food door 45 is opened, just form air curtain, blocked the opening of fresh food 43.When refrigerating chamber door 44 is opened, also form air curtain by similar operations, block the opening of refrigerating chamber.When two doors 44,45 were opened, two press buttones 82 all stretched out the front of casing 30, thus switch element 81 move along groove 88, away from blowing fan 31.Such two exhaust outlet 35a, 35b is opened, and has all produced air curtain at refrigerating chamber 41 and fresh food 42.
The plane surface 81a of opening/closing member 81 is as a guide surface, as exhaust outlet 35a, when 35b opens respectively, with the guiding of the cold air in cold air path exhaust outlet 35a, 35b.That is, in the opening of fresh food door 45, because opening/closing member 81 rotates, plane surface 81a square neck to left down is oblique, and as shown in Figure 3, the Quilt with air conditioning that is blown by blowing fan 31 descends exhaust outlet 35b along plane surface 81a guiding naturally.So because the conversion of direction, cold air has no the ground of obstruction is discharged by exhaust outlet 35b, the leakage of cold air is more effectively prevented.
Aforesaid the present invention, the refrigerator that provides a kind of air curtain to be positioned at the refrigerating chamber opening can prevent the leakage of cold air effectively.
Though the present invention has done detailed description and explanation, should clearly realize that above-mentioned situation is only as diagram and example, and should not be looked at as qualification that essence of the present invention and scope are only defined by appended claim.
Claims (7)
1. refrigerator, have: a casing, casing form spaced-apart refrigerating chamber; Be installed on each on described each refrigerating chamber, be used for the opening of described each refrigerating chamber of ON/OFF respectively, described refrigerator comprises:
One has the cold air path of plurality of rows gas port, and these exhaust outlets are opened respectively at the position that is adjacent to described each refrigerating chamber opening;
One is used for discharging the blowing fan of the gas in the described cold air path, produces air curtain thus, blocks the opening of described refrigerating chamber;
It is characterized in that described refrigerator also comprises:
One be used for ON/OFF with open the door corresponding each exhaust outlet device; Make when any refrigerator doors is opened, corresponding to the Exhaust Open of this door of opening, when any refrigerator doors is closed, corresponding to the exhaust close of this door of closing.
2. refrigerator as claimed in claim 1 is characterized in that, described opening/closing device comprises:
Be used for each exhaust outlet of ON/OFF respectively baffle plate and
A device that is used for driving described baffle plate is so that exhaust outlet corresponds respectively to the opening and closing of described door and opening and closing.
3. refrigerator as claimed in claim 2 is characterized in that, described barrier driving device comprises:
Be installed in the press button on the described casing, when described each when closing respectively, described press button is compressed by door, described thus baffle plate moves, so that each exhaust outlet is closed respectively; When described each when opening respectively, described press button is unclamped by door, described thus baffle plate moves, so that each exhaust outlet is unlocked respectively; With
Be used for flexibly supporting the spring element of described press button respectively.
4. refrigerator as claimed in claim 1 is characterized in that, described refrigerating chamber comprises a refrigerating chamber and a fresh food, and exhaust outlet comprises respectively a pair of exhaust outlet corresponding to described refrigerating chamber and described fresh food.
5. refrigerator as claimed in claim 4 is characterized in that, described opening/closing device comprises:
One is installed in rotation on the opening/closing member in the described cold air path, is used for according to its each exhaust outlet of position of rotation ON/OFF;
One is used for driving the device of described opening/closing member so that exhaust outlet correspond respectively to described each ON/OFF and be unlocked/close.
6. refrigerator as claimed in claim 5 is characterized in that, the described device that is used for driving described opening/closing member comprises,
The pair of buttons switch is installed on the described casing, and when described door was closed, described press button was compacted respectively, and described press button promotes described opening/closing member prejudicially at impaction state; When described door was unlocked, described press button was released respectively; With
The a pair of spring element that is used for flexibly supporting described press button respectively.
7. refrigerator as claimed in claim 5 is characterized in that described opening/closing member has a guidance surface, is used for exhaust outlet that the gas channeling one that described blowing fan blows is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB971137773A CN1150395C (en) | 1997-06-14 | 1997-06-14 | Refrigerator having device for generating air curtains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB971137773A CN1150395C (en) | 1997-06-14 | 1997-06-14 | Refrigerator having device for generating air curtains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1202609A CN1202609A (en) | 1998-12-23 |
| CN1150395C true CN1150395C (en) | 2004-05-19 |
Family
ID=5172732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971137773A Expired - Fee Related CN1150395C (en) | 1997-06-14 | 1997-06-14 | Refrigerator having device for generating air curtains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1150395C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340830C (en) * | 2003-03-12 | 2007-10-03 | 乐金电子(天津)电器有限公司 | Cool-air supplying structure of refrigerator |
| JP2019219203A (en) * | 2018-06-18 | 2019-12-26 | 株式会社島津製作所 | Device with sample temperature control function |
-
1997
- 1997-06-14 CN CNB971137773A patent/CN1150395C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340830C (en) * | 2003-03-12 | 2007-10-03 | 乐金电子(天津)电器有限公司 | Cool-air supplying structure of refrigerator |
| JP2019219203A (en) * | 2018-06-18 | 2019-12-26 | 株式会社島津製作所 | Device with sample temperature control function |
| CN110618222A (en) * | 2018-06-18 | 2019-12-27 | 株式会社岛津制作所 | Device with sample temperature adjusting function |
| US11181542B2 (en) | 2018-06-18 | 2021-11-23 | Shimadzu Corporation | Apparatus equipped with sample temperature control function |
| JP7031507B2 (en) | 2018-06-18 | 2022-03-08 | 株式会社島津製作所 | Equipment with sample temperature control function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1202609A (en) | 1998-12-23 |
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| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20030116 Address after: Seoul City, Korea Applicant after: Daewoo Electronics Co., Ltd. Address before: Seoul Applicant before: Daewoo Electronics Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |