CN1153282A - Freezing compartment air flow system of refrigerator - Google Patents
Freezing compartment air flow system of refrigerator Download PDFInfo
- Publication number
- CN1153282A CN1153282A CN 96121145 CN96121145A CN1153282A CN 1153282 A CN1153282 A CN 1153282A CN 96121145 CN96121145 CN 96121145 CN 96121145 A CN96121145 A CN 96121145A CN 1153282 A CN1153282 A CN 1153282A
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- refrigerating chamber
- air
- cold air
- evaporimeter
- air channel
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Disclosed is a refrigerator for uniformly cooling a freezing compartment through the use of outlets and a passageway at the inner portion of the base plate of the freezing compartment. The base plate is provided with an upper plate having a plurality of air outlets and a lower plate having a plurality of protrusions for supporting the upper plate. The lower plate is manufactured from an insulating material. A chilled air passageway is formed between the upper and lower plates. The chilled air generated by an evaporator flows into the freezing compartment through a main-inlet and sub-inlets formed at the rear wall of the freezing compartment, and is exhausted through a main air exhausting outlet and the sub-outlets. The chilled air exhausted through the sub air exhausting outlets flows through the chilled air passageway. By using suboutlets in the base plate to improve the out flow of the exhausted air, the freezing compartment is cooled uniformly and the cooling efficiency of the refrigerator is increased.
Description
The present invention relates to a kind of refrigerator, more particularly, relate to a kind of cooling blast system of freezer chamber of refrigerator.
In general, refrigerator is a kind of various foods that are used for depositing under freezing or frozen state, with the device of the freshness of food and extend.This refrigerator comprises two cooling segments, and one of them cooling segment is direct cooled, that is to say, is used in evaporimeter in the kind of refrigeration cycle and is installed in the food storage space and can carries out the direct heat exchange effectively.Another kind of cooling segment is indirect cooled, that is to say, evaporimeter is installed in the air duct away from the food storage space.Air and evaporimeter carry out heat exchange, and the air after utilizing blower fan with heat exchange is then introduced the food storage space.
Above-mentioned refrigerator all is provided with a refrigerating chamber and a refrigerating chamber that is positioned at the refrigerating chamber below.In addition, also be provided with the compartment that its temperature is different with main refrigerating chamber in the refrigerating chamber.This compartment is called " vegetables storage area " or " cooling chamber ", is used to deposit meat etc.In these spaces, food can be deposited separately according to required condition.Door all is equipped with in front at refrigerating chamber and refrigerating chamber, so that food is put into refrigerating chamber and refrigerating chamber or take out from refrigerating chamber and refrigerating chamber.
In above-mentioned refrigerator, in order to hoard food by required condition, promptly in order to make each chamber remain on predetermined temperature, the cold air after utilizing blower fan with heat exchange is sent into each chamber interior.Flow along air duct from the cold air of each indoor discharge.
It is the U.S. Pat 4 of " household electric refrigerator air flow system " that this passage is disclosed in the exercise question that was issued to people such as Thomson on November 10th, 1987,704,874, be issued to the U.S. Pat 5 of the exercise question of SunG.Lee February 14 nineteen ninety-five for " refrigerator " with piccalilli chamber, 388,427 and be presented to people such as Cho July 18 nineteen ninety-five and transfer of the present invention awarding and allow people's exercise question be the U.S. Pat 5 of " multicell refrigerator " with independent temperature control, in 433,086.
Fig. 1 represents to be disclosed in Thomson etc., the conventional refrigerator in the patent of Cho and Lee.As shown in the figure, conventional refrigerator comprises a refrigerating chamber 10, a refrigerating chamber 30 that separates by dividing plate 20 and refrigerating chamber 10 and be positioned at below the refrigerating chamber 10, one is installed in being used between refrigerating chamber 10 and the outer wall and cools off air and remove the water in air branch to form the evaporimeter 40 of cold air, one is positioned at the blower fan 50 that evaporimeter 40 tops are used for cold air is introduced refrigerating chamber 10 and refrigerating chamber 30, article one, be formed between evaporimeter 40 and the outer wall and the main air duct 60 of a passage is provided for send into refrigerating chamber 30 interior cold airs by blower fan 50, article one, be formed between refrigerating chamber 10 and the dividing plate 20 and be used for cold air is entered from refrigerating chamber 10 first air channel 62 of evaporimeter 40, article one, the guiding cool air that is formed between dividing plate 20 and the refrigerating chamber 30 and is used for discharging from refrigerating chamber 30 is to second air channel 64 of evaporimeter 40, and one article of the 3rd air channel 66, in the 3rd air channel 66, make respectively and mix along first air channel 62 and second air channel, 64 mobile cold airs, this air channel provides a passage for the mixed cold air that flows to evaporimeter 40.
By blower fan 50 cold air that evaporimeter 40 produces is introduced refrigerating chamber 10 and refrigerating chamber 30.Flow into the chilled air cools refrigerating chamber 10 and the refrigerating chamber 30 of refrigerating chamber 10 and refrigerating chamber 30, first cold-air vent 12 through being formed at refrigerating chamber 10 bottoms flows into first air channel 62 then.Simultaneously, the chilled air cools refrigerating chamber 30 of introducing refrigerating chamber 30 and second cold-air vent 32 through being formed at refrigerating chamber 30 tops flow into second cooling air channel 64.Cold air from first air channel 62 and second air channel 64 mixes in the 3rd air channel 66, and the cold air inflow evaporator 40 then, cooled off once more by evaporimeter 40.At this moment, contained humidity changes frost layer into and attached on the evaporimeter 40 in the cold air.The heater 68 that above-mentioned frost layer is installed in the 3rd air channel 66 turns to water, and the water out 69 of these water through being formed at 66 bottoms, the 3rd air channel discharged then.
The structure that is used for circulate cold air of the refrigerating chamber and the refrigerating chamber of this refrigerator is simply described with reference to Fig. 1 below.
In above-mentioned refrigerator, the cold air that utilizes blower fan 50 to make to be formed by evaporimeter 40 is in refrigerating chamber 10 and refrigerating chamber 30 inner and circulations first air channel 62, second air channel 64, the 3rd air channel 66 and evaporimeter 40 in, to cool off refrigerating chamber 10 and refrigerating chamber 30.Specifically, during cooling refrigerating chamber 10, blower fan 50 is sent into refrigerating chamber 10 with cold air by the cool air inlet that is formed on refrigerating chamber 10 rear portions.Behind the inside of cooling refrigerating chamber 10, cold air is discharged from refrigerating chamber 10 through first cold wind outlet 12.The cold air of discharging is through first air channel 62 and the 3rd air channel 66 inflow evaporators 40, by evaporimeter 40 they cooled off once more.
Yet, as shown in Figure 1, discharge by first cold-air vent 12 rapidly owing to introduce the cold air of refrigerating chamber 10, the part place in refrigerating chamber 10, for example the cooling effectiveness at the part place that is designated as " A " is lower than the other parts in the refrigerating chamber 10.
Therefore, the purpose of this invention is to provide a kind of refrigerator, utilize this system can realize the even cooling of refrigerating chamber inside with cooling air circulation system.
In order to realize purpose of the present invention, the refrigerator that is provided comprises:
A refrigerating chamber, it is provided with a substrate with the cold air channel that is used to discharge cold air;
A refrigerating chamber, it is positioned at the below of this refrigerating chamber;
A dividing plate, it separates and is used to constitute first air outlet slit between this substrate and this dividing plate and second air outlet slit between refrigerating chamber and dividing plate with refrigerating chamber and refrigerating chamber, above-mentioned first air outlet slit is used for cold air is discharged from refrigerating chamber, and above-mentioned second air outlet slit is discharged cold air from refrigerating chamber;
An evaporimeter, it is installed between refrigerating chamber and the outer wall, is used to cool off air, removes the water in air branch to produce cold air;
A blower fan is used for cold air is introduced refrigerating chamber and refrigerating chamber;
Wherein main air duct is between evaporimeter and outer wall, and it provides a passage for the cold air of being sent into by blower fan in the refrigerating chamber; First air channel is formed between refrigerating chamber and the dividing plate, and cold air enters evaporimeter by this air channel from refrigerating chamber; Second air channel is between dividing plate and refrigerating chamber, and cold air passes through this air channel from the refrigerating chamber inflow evaporator; Mix in this passage from the cold air in first and second air channels between first and second air channels and evaporimeter in the 3rd air channel.
Refrigerating chamber is provided with a rear wall, a substrate and a upper wall, and rear wall has a main-inlet that is used to make the cold air inflow, and substrate is used for cooperating to constitute first air channel with dividing plate, and upper wall is used for cooperating to limit refrigerating chamber with rear wall and substrate.
Be used for being positioned at the top of rear wall, below main-inlet, form a plurality of sub-inlets that are used to make flow of cold air by the main-inlet that the blower fan direct cold air flows.The cold air that utilizes blower fan that evaporimeter is produced flows into refrigerating chamber by main-inlet and sub-inlet.First outlet is between the leading section and dividing plate of substrate, so that cold air is discharged from refrigerating chamber.First outlet is connected with first air channel.
Substrate comprises a upper plate and a lower plate that is positioned at the upper plate below and makes with heat-barrier material with a plurality of the 3rd outlets.Cooling air passage and links to each other with first air channel between upper plate and lower plate.Therefore, the cold air of discharging through the 3rd outlet flows to evaporimeter along the inside in first air channel.
The top of lower plate is provided with a plurality of projections.Upper plate is by these projection supportings, and above-mentioned projection is separated lower plate and upper plate.Between projection, be provided with cooling air passage for the flow of cold air of discharging from the 3rd outlet that is positioned at upper plate.Above-mentioned cooling air passage links to each other with first outlet.
The cold air that utilizes blower fan to make to be produced by evaporimeter, and exports through first outlet and the 3rd and to flow to first air channel with the cooling refrigerating chamber in freezing indoor circulation.Mix mutually with the cold air of discharging through the cold air that second outlet is discharged from refrigerating chamber by first air channel in the cooling air passage between upper plate and lower plate, first outlet and the 3rd air channel.Mixing air in the 3rd air channel is also cooled off once more by evaporimeter.At this moment, contained humidity is transformed into frost layer and attached on the evaporimeter in the air.Utilization is installed in heater in the 3rd air channel and makes frost be transformed into water and by water out water is discharged.
In refrigerator of the present invention, the cold air of being introduced refrigerating chamber by blower fan cools off refrigerating chamber inside equably, thereby has improved the cooling effectiveness of refrigerating chamber.Therefore, the unnecessary capacity that increases evaporimeter, blower fan or other device because of the cooling effect that improves refrigerating chamber.
After by the reference accompanying drawing the preferred embodiments of the present invention being described in detail, it is clearer that above-mentioned purpose of the present invention and advantage will become, wherein:
Fig. 1 is the cutaway view of conventional refrigerator, and it expresses a kind of cooling air circulation system; And
Fig. 2 is the cutaway view of refrigerator of the present invention, and it expresses the cooling air circulation system in refrigerating chamber.
Explain the component parts and the operation logic of the refrigerator of a preferred embodiment of the invention below with reference to accompanying drawings in more detail.
As shown in Figure 2, being provided with refrigerating chamber 130 that a refrigerating chamber 110, one be arranged in refrigerating chamber 110 belows, one according to the refrigerator 100 of a preferred embodiment of the invention is used for that the separated dividing plate of refrigerating chamber 110 and refrigerating chamber 130 120, one be used to cool off air and removes the air contained humidity being used for that with the evaporimeter 140 that produces cold air, one flow of cooled air is introduced the blower fan 150 of refrigerating chamber 110 and refrigerating chamber 130 and one and being used to make cold air to flow into the main air duct 160 of refrigerating chamber 130.
Forming one between the upper surface of the lower surface of refrigerating chamber 110 and dividing plate 120 makes be discharged from the first passage 162 that air flows out from refrigerating chamber 110.Forming one between the lower surface of the upper surface of refrigerating chamber 130 and dividing plate 120 makes be discharged from second air channel 164 that air flows out from refrigerating chamber 130.First and second air channels 162 and 164 are converged at 166 places, one the 3rd air channel, and a delivery port 169 is arranged at the bottom in the 3rd air channel.A heater 168 is installed to defrost from evaporimeter 140 in the 3rd air channel 166.
Refrigerating chamber 110 comprises a rear wall 114, a substrate 170 and a upper wall 118, rear wall 114 has the main-inlet 113 that is used to make the cold air inflow, substrate 170 and dividing plate 120 common first air channels 162 that form, upper wall 118 and rear wall 114 and the substrate 170 common refrigerating chambers 110 that limit.
Main-inlet 113 is formed at the top at rear wall 114, and blower fan 150 orders about cold air by this main-inlet, forms a plurality of sub-inlets 115 less than main-inlet 113 in the bottom of main-inlet 113.The cold air that utilizes blower fan 150 that evaporimeter 140 is produced flows into refrigerating chamber 110 through main-inlet 113 and sub-inlet 115.
Form first outlet 172 between the leading section of substrate 170 and dividing plate 120, it is used to discharge the cold air of refrigerating chamber 110.First outlet 172 is connected with first air channel 162.
To describe the process that cold air circulates below in detail in the refrigerator 100 of a preferred embodiment of the invention.
At first, the cold air that utilizes the blower fan 150 that is installed in evaporimeter 140 tops that evaporimeter 140 is produced flows into refrigerating chamber 110 through main-inlet 113 and sub-inlet 115, and flows into refrigerating chamber 130 through main air duct 160.
The cold air of inflow refrigerating chamber 110 with cooling refrigerating chamber 110 inside, exports 174 discharges by first outlet the 172 and the 3rd in refrigerating chamber 110 inner loop then.The cold air of discharging by the 3rd outlet 174 flows along upper plate 176 and the path between the lower plate 178 190 at substrate 170, and this part cold air mixes with the cold air that flows out through first outlet 172, flows along first air channel 162 then.
The cold air that flows in first air channel 162 mixes in the 3rd air channel 166 with the cold air that flows out from refrigerating chamber 130 and flow in second air channel 164.Mixed then air flow evaporimeter 140.The cold air that mixes in the 3rd air channel 166 is cooled off once more by evaporimeter 140.Contained humidity is transformed into frost and attached on the evaporimeter 140 in the cold air.Utilize heater 168 to make frost be transformed into water.Water is drained by delivery port 169 again.
As mentioned above, cold air is by evaporimeter 140, blower fan 150, refrigerating chamber 110, first air channel 162, the 3rd air channel 166 and heater 168 circulations, to cool off refrigerating chamber 110 equably.
Though described the preferred embodiments of the present invention above, it will be understood, the present invention should not be subjected to the restriction of the preferred embodiment, and one of skill in the art can carry out various modification and conversion under the situation that does not exceed determined design and scope by claim.
Claims (7)
1, a kind of refrigerator, it comprises:
A refrigerating chamber, it is provided with a substrate with the cold air channel that is used to discharge cold air;
A refrigerating chamber, it is positioned at the below of described refrigerating chamber;
A dividing plate, it is used for described refrigerating chamber and described refrigerating chamber are separated, and be used to constitute and between described substrate and described dividing plate, be used for first air outlet slit that described cold air is discharged from described refrigerating chamber, and between described refrigerating chamber and described dividing plate, be used for second air outlet slit that cold air is discharged from described refrigerating chamber;
An evaporimeter, it is installed between described refrigerating chamber and the outer wall, is used for cooling off air and is used to remove the air contained humidity to produce described cold air; And
A blower fan is used for the described cold air that forms from described evaporimeter is introduced described refrigerating chamber and described refrigerating chamber;
One of them main air duct is formed between described evaporimeter and the described outer wall, and it provides a passage for the described cold air of being sent into by described blower fan in the described refrigerating chamber; One first air channel is formed between described refrigerating chamber and the described dividing plate, and described cold air enters described evaporimeter by described first air channel from described refrigerating chamber; One second air channel is formed between described dividing plate and the described refrigerating chamber, and described cold air flows into described evaporimeter from described refrigerating chamber by described second air channel; One the 3rd air channel is formed between described first and second air channels and the described evaporimeter, mixes in the 3rd air channel from the cold air in described first and second air channels.
2, refrigerator according to claim 1, wherein said refrigerating chamber also comprises:
A rear wall, it has main-inlet and a plurality of sub-inlet that makes described flow of cold air that a described cold air that described blower fan is carried flows into, and described sub-inlet is less than described main-inlet and be formed at the below of described main-inlet; And
A upper wall, it and described rear wall and described substrate be common to limit described refrigerating chamber, and described substrate cooperates described first air channel of formation with described dividing plate.
3, refrigerator according to claim 2, wherein said substrate also comprises:
A upper plate, it has a plurality of the 3rd outlets; And
A lower plate, it has and a plurality ofly is used to support described upper plate and forms the projection of described cooling air passage with described upper plate.
4, refrigerator according to claim 3, wherein said lower plate is made with heat-barrier material.
5, refrigerator according to claim 1, wherein said substrate also comprises:
A upper plate, it has a plurality of the 3rd outlets;
A lower plate, it has and a plurality ofly is used to support described upper plate and forms the projection of described cooling air passage with described upper plate.
6, refrigerator according to claim 5, wherein said lower plate is made with heat-barrier material.
7, a kind of refrigerator, it comprises: a refrigerating chamber, it has a rear wall, one by a upper plate and the substrate that lower plate constitutes, described rear wall has main-inlet and a plurality of sub-inlet that makes described flow of cold air that a described cold air that blower fan is carried flows into, described sub-inlet is less than described main-inlet and be formed at the below of described main-inlet, described upper plate has a plurality of the 3rd outlets, described lower plate have the described upper plate of a plurality of supportings and with the common projection that forms described cooling air passage of described upper plate;
A refrigerating chamber, it is positioned at the below of refrigerating chamber;
A dividing plate, it separates described refrigerating chamber and refrigerating chamber, and second air outlet slit that is used for constituting at first air outlet slit that is used between described substrate and the described dividing plate described cold air is discharged from described refrigerating chamber and is used for cold air is discharged from described refrigerating chamber between described refrigerating chamber and described dividing plate;
An evaporimeter, it is installed between described refrigerating chamber and the outer wall, is used for cooling off air and removes the air contained humidity, to produce described cold air; And
A blower fan is used for described cold air is introduced described refrigerating chamber and described refrigerating chamber;
One of them main air duct is formed between described evaporimeter and the described outer wall, and it provides a passage for the described cold air of being sent into by described blower fan in the described refrigerating chamber; One first air channel is formed between described refrigerating chamber and the described dividing plate, and described cold air enters described evaporimeter by described first air channel from described refrigerating chamber; One second air channel is formed between described dividing plate and the described refrigerating chamber, and described cold air flows into described evaporimeter from described refrigerating chamber by described second air channel; One the 3rd air channel is formed between described first and second air channels and the described evaporimeter, mixes in described the 3rd air channel from the described cold air in described first and second air channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96121145 CN1153282A (en) | 1995-09-18 | 1996-09-18 | Freezing compartment air flow system of refrigerator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR30494/95 | 1995-09-18 | ||
| CN 96121145 CN1153282A (en) | 1995-09-18 | 1996-09-18 | Freezing compartment air flow system of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1153282A true CN1153282A (en) | 1997-07-02 |
Family
ID=5126772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96121145 Pending CN1153282A (en) | 1995-09-18 | 1996-09-18 | Freezing compartment air flow system of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1153282A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1782638B (en) * | 2004-11-29 | 2010-06-16 | 泰州乐金电子冷机有限公司 | Structure of pepper Chinese cabbage refrigerator |
| CN101886867A (en) * | 2010-07-16 | 2010-11-17 | 合肥美的荣事达电冰箱有限公司 | Return air duct and refrigerator with same |
| CN101171483B (en) * | 2005-05-11 | 2011-12-21 | Bsh博世和西门子家用器具有限公司 | Door closing assembly for a refrigeration device |
| CN103575023A (en) * | 2013-11-15 | 2014-02-12 | 海信容声(广东)冰箱有限公司 | Air duct system for refrigerator |
| TWI636224B (en) * | 2017-06-27 | 2018-09-21 | 台灣松下電器股份有限公司 | Air panel for a refrigerator |
| CN109373663A (en) * | 2018-09-13 | 2019-02-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN114165968A (en) * | 2021-12-02 | 2022-03-11 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
-
1996
- 1996-09-18 CN CN 96121145 patent/CN1153282A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1782638B (en) * | 2004-11-29 | 2010-06-16 | 泰州乐金电子冷机有限公司 | Structure of pepper Chinese cabbage refrigerator |
| CN101171483B (en) * | 2005-05-11 | 2011-12-21 | Bsh博世和西门子家用器具有限公司 | Door closing assembly for a refrigeration device |
| US8925751B2 (en) | 2005-05-11 | 2015-01-06 | Bsh Bosch Und Siemens Hausgerate Gmbh | Door storage container for a refrigeration device |
| CN101886867A (en) * | 2010-07-16 | 2010-11-17 | 合肥美的荣事达电冰箱有限公司 | Return air duct and refrigerator with same |
| CN101886867B (en) * | 2010-07-16 | 2011-08-10 | 合肥美的荣事达电冰箱有限公司 | Return air duct and refrigerator with same |
| CN103575023A (en) * | 2013-11-15 | 2014-02-12 | 海信容声(广东)冰箱有限公司 | Air duct system for refrigerator |
| CN103575023B (en) * | 2013-11-15 | 2016-03-23 | 海信容声(广东)冰箱有限公司 | A kind of air duct system for refrigerator |
| TWI636224B (en) * | 2017-06-27 | 2018-09-21 | 台灣松下電器股份有限公司 | Air panel for a refrigerator |
| CN109373663A (en) * | 2018-09-13 | 2019-02-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN114165968A (en) * | 2021-12-02 | 2022-03-11 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |