EP3343144A1 - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- EP3343144A1 EP3343144A1 EP16838410.5A EP16838410A EP3343144A1 EP 3343144 A1 EP3343144 A1 EP 3343144A1 EP 16838410 A EP16838410 A EP 16838410A EP 3343144 A1 EP3343144 A1 EP 3343144A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- storage compartment
- refrigeration
- air passage
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005057 refrigeration Methods 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims description 42
- 235000013305 food Nutrition 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/062—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation along the inside of doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
- F25D2317/0655—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the top
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
- F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
Definitions
- the present invention is related to the field of freezing and refrigeration technologies, and more particularly, to a refrigerator.
- Air-cooled refrigerators can maintain the freshness of food, extend food storage time and improve food safety, so they become essential home appliances.
- the air supply passage is arranged at the rear part of a storage compartment. After cooled air is blown, it sinks.
- the temperature at the front part of the storage compartment is relatively high, while the temperature at the rear part thereof is relatively low, causing uneven temperatures.
- the front part of the storage compartment is close to the door and heat leak can easily occur. Accordingly, the temperature at the front part of the storage compartment will be even higher, which is unfavorable for storing food. How to realize even temperature distribution in the storage compartment of a refrigerator is an urgent problem for improving the refrigeration effect of refrigerators.
- This invention aims to overcome at least one defect of existing refrigerators, and provides a novel refrigerator.
- the refrigerator can efficiently realize even temperature distribution in the storage compartment.
- this invention provides a refrigerator, comprising: a storage compartment and a refrigeration air passage configured to supply refrigeration air.
- the refrigerator further comprises: a top air passage that is provided at a top wall of the storage compartment, comprises a rear end air inlet, a front end air inlet and a mixed air outlet opening downwards, and is configured to receive refrigeration air blown from the refrigeration air passage via the rear end air inlet, receive return air returning from the storage compartment via the front end air inlet, and allow the refrigeration air and the return air to flow into the storage compartment in a mixed manner via the mixed air outlet.
- the refrigeration air passage communicates with a rear space of the storage compartment to supply refrigeration air to the storage compartment.
- the refrigerator further comprises a cooling chamber provided with an air outlet connected with the refrigeration air passage; a cooling device provided in the cooling chamber to cool the air passing the cooling chamber; a blower provided at the air outlet of the cooling chamber; and a return air passage connecting a lower space of the storage compartment and the cooling chamber, such that a part or all of the air in the storage compartment enters the cooling chamber via the return air passage and enters the refrigeration air passage after being cooled by the cooling device.
- the refrigerator further comprises another storage compartment provided below the storage compartment and in front of the cooling chamber; another refrigeration air passage connecting the air outlet of the cooling chamber and the another storage compartment; and another return air passage connecting the another storage compartment and the cooling chamber.
- the refrigerator further comprises a movable air supply hood provided at an outer side of the air outlet of the cooling chamber and configured to provide an opening allowing the refrigeration air to flow into the refrigeration air passage when closing the air outlet of the cooling chamber.
- a movable air supply hood provided at an outer side of the air outlet of the cooling chamber and configured to provide an opening allowing the refrigeration air to flow into the refrigeration air passage when closing the air outlet of the cooling chamber.
- the refrigerator further comprises an air door configured to controllably close or open the refrigeration air passage.
- the refrigerator further comprises a top blower configured to blow the refrigeration air and the return air to the storage compartment in a mixed manner via the mixed air outlet.
- the refrigerator further comprises a top air passage cover plate mounted at a lower surface of the top wall of the storage compartment to form the top air passage.
- the top air passage cover plate comprises: a web portion extending upwards from its rear end to its front end and provided with a through hole; and an air aperture portion extending downwards from an edge of the through hole, having a lower end opening acting as the mixed air outlet, and having the blower mounted therein.
- the refrigerator further comprises a refrigeration air passage cover plate mounted at a front surface of the rear wall of the storage compartment to form the refrigeration air passage, and provided with multiple refrigeration air outlets to provide the refrigeration air to the storage compartment and/or the top air passage.
- the refrigerator of this invention comprises a top air passage which allows refrigeration air to mix with return air with a relatively high temperature in the storage compartment and supplies the mixed air to the storage compartment, so that the refrigeration output/temperature in the storage compartment is evenly distributed, realizing quick, even and efficient refrigeration.
- the top air passage enables the refrigeration air path in the storage compartment to change from a single circulation process to a multiple circulation process, realizing even temperature distribution in the storage compartment.
- the refrigeration air passage in the refrigerator of this invention can directly supply refrigeration air to the storage compartment, considerably improving the refrigeration efficiency of the refrigerator.
- Fig. 1 is a schematic drawing of a refrigerator 100 according to an embodiment of this invention.
- the embodiment of this invention provides a refrigerator 100.
- the refrigerator 100 may typically comprise a storage compartment 11 for storing food, a refrigeration air passage 30 for providing refrigeration air to the storage compartment 11, and a door 20 for closing the storage compartment 11.
- the refrigerator 100 may further comprise: a top air passage 40.
- the top air passage 40 is provided at a top wall of the storage compartment 11, comprises a rear end air inlet 41, a front end air inlet 42 and a mixed air outlet 43 opening downwards, and is configured to receive refrigeration air blown from the refrigeration air passage 30 via the rear end air inlet 41, receive return air returning from the storage compartment 11 via the front end air inlet 42, and allow the refrigeration air and the return air to flow into the storage compartment 11 in a mixed manner via the mixed air outlet 43 so as to increase the refrigeration speed in the storage compartment 11.
- the top air passage 40 allows the refrigeration air from the refrigeration air passage 30 to merge and mix with the return air close to the door 20 of the storage compartment 11 and having a relatively high temperature, and blow the mixed air substantially vertically downwards to the storage compartment 11, making the temperature in the storage compartment 11 more even.
- the refrigerator 100 further comprises a top blower 50 provided at the mixed air outlet 43 and configured to blow the refrigeration air and the return air to the storage compartment 11 in a mixed manner via the mixed air outlet 43 so as to improve the air supply efficiency.
- the top blower 50 may be an axial blower.
- a blower may provided at each air inlet of the top air passage 40 to blow air into the top air passage 40.
- each air inlet may directly receive air flow blown from other air passages.
- the refrigerator 100 may further comprise a top air passage cover plate 44 mounted at a lower surface of the top wall of the storage compartment 11 to form the top air passage 40.
- the top air passage cover plate 44 may be mounted at the lower surface of the top wall of the storage compartment 11, and comprises a web portion 441 with a through hole provided therein and an air aperture portion 442.
- the web portion 441 extends upwards from its rear end to its front end, and an included angle between the web portion and the horizontal plane may be 5 to 30 degrees.
- the air aperture portion 442 extends downwards in a direction perpendicular with the web portion 441 from an edge of the through hole, so that the mixed air outlet 43 is slightly inclined forwards, guaranteeing a low temperature environment at the door 20 of the refrigerator 100.
- the top blower 50 may be installed in the air aperture portion 442.
- the top air passage cover plate 44 may be mounted at an upper surface of the top wall of the storage compartment 11 to form the top air passage 40.
- the top air passage 40 may be directly formed in the top wall of the storage compartment 11.
- the refrigerator 100 may further comprise two end cover plates each having an air inlet.
- the two end cover plates may be mounted at the two sides of the top air passage cover plate 44 respectively.
- Fig. 2 is a schematic drawing of a refrigerator according to another embodiment of this invention.
- the refrigeration air passage 30 communicates with a rear space of the storage compartment 11 to supply refrigeration air to the storage compartment 11.
- the refrigerator 100 may further comprise a refrigeration air passage cover plate mounted at a front surface of the rear wall of the storage compartment 11 to form the refrigeration air passage 30.
- the refrigeration air passage cover plate is provided with multiple refrigeration air outlets 31 to provide the refrigeration air to the storage compartment 11 and/or the top air passage 40.
- the surfaces on which some refrigeration air outlets 31 of the multiple refrigeration air outlets 31 are located abut against the end surface of the rear end air inlet 41 of the top air passage 40 to allow the refrigeration air to enter the top air passage 40.
- the surfaces on which some refrigeration air outlets 31 of the multiple refrigeration air outlets 31 are located may be spaced from the end surface of the rear end air inlet 41 of the top air passage 40 by a predetermined clearance to allow the refrigeration air to enter the top air passage 40.
- the some refrigeration air outlets and the rear end air inlet 41 of the top air passage 40 are located inside the storage compartment 11.
- the remaining refrigeration air outlets 31 of the multiple refrigeration air outlets 31 may supply refrigeration air to the storage compartment 11.
- the refrigeration air passage cover plate may be mounted at a rear surface of the rear wall of the storage compartment 11 to form the refrigeration air passage 30, and the rear wall of the storage compartment 11 is provided with multiple refrigeration air outlets 31.
- the refrigerator 100 may further comprise a cooling chamber 13, a cooling device 60, a blower 70 and a return air passage.
- the cooling chamber 13 is provided with an air outlet connected with the refrigeration air passage 30.
- the cooling device 60 is provided in the cooling chamber 13 to cool the air passing the cooling chamber.
- the cooling device 60 may be an evaporator of a compression refrigeration system.
- the blower 70 may be arranged at the air outlet.
- the return air passage connects a lower space of the storage compartment 11 and the cooling chamber 13 such that a part or all of the air in the storage compartment 11 enters the cooling chamber 13 via the return air passage and enters the refrigeration air passage 30 after being cooled by the cooling device 60.
- the refrigerator 100 may further comprise a drawer 90 for receiving the articles 92, such as beef, water melons and beverages.
- the drawer 90 can be operably inserted into the storage compartment 11 and pulled out of the same.
- the drawer 90 is installed inside the storage compartment 11.
- lower parts of the front and rear walls of the drawer 90 comprises ventilation holes 91, so that the air flow flowing out of the mixed air outlet 43 can easily flow out of the drawer 90 via the ventilation holes 91 of the drawer 90 after exchanging heat with the articles 92 inside the drawer 90, Further, the air flowing out of the ventilation holes 91 of the front wall of the drawer 90 may return to the front end air inlet 42 of the top air passage 40 for circulation. The air flowing out of the ventilation holes 91 of the rear wall of the drawer 90 may return to the return air passage for circulation.
- the refrigerator 100 may further comprise another storage compartment 12, which may be arranged blow the storage compartment 11.
- the storage compartment 11 may be a refrigeration compartment
- the another storage compartment 12 may be a freezing compartment.
- a quick freezing compartment may be provided between the storage compartment 11 and the another storage compartment 12.
- the cooling chamber 13 may be arranged behind the another storage compartment 12.
- the refrigerator 100 further comprises another refrigeration air passage 32 connecting the air outlet of the cooling chamber 13 and the another storage compartment 12, and another return air passage 33 connecting the another storage compartment 12 and the cooling chamber 13.
- the refrigerator 100 may further comprise an air door 81 and a movable air supply hood 82.
- the air door 81 is configured to controllably close or open the refrigeration air passage 30.
- the movable air supply hood 82 is provided at an outer side of the air outlet of the cooling chamber 13 and configured to provide an opening allowing refrigeration air to flow into the refrigeration air passage 30 when closing the air outlet of the cooling chamber 13. That is, when the movable air supply hood 82 closes the air outlet of the cooling chamber 13, the another refrigeration air passage 32 connected with the another storage compartment 12 can be closed, so that the refrigeration air passage 30 is not blocked.
- the refrigerator 100 of the embodiments of this invention may have multiple working modes.
- the multiple working modes may comprise the following working modes: an independent working mode of the storage compartment 11, an independent working mode of the another storage compartment 12, a joint working mode, a quick refrigeration mode and another joint work mode.
- the independent working mode of the storage compartment 11 the movable air supply hood 82 is closed, the air door 81 is opened, the blower 70 works while the top blower 50 does not work, so that the storage compartment 11 works independently.
- the movable air supply hood 82 is opened, the air door 81 is closed, the blower 70 works while the top blower 50 does not work, so that the another storage compartment 12 works independently.
- the movable air supply hood 82 In the joint working mode, the movable air supply hood 82 is opened, the air door 81 is opened, the blower 70 works while the top blower 50 does not work, so that the two storage compartments 11, 12 work jointly.
- the quick refrigeration mode the movable air supply hood 82 is closed, the air door 81 is opened, and both the blower 70 and the top blower 50 work, so that quick refrigeration can be performed in the storage compartment 11.
- the arrows in this figure represent the flow directions of air flow. To prevent excessive temperature rise in the another storage compartment 12, after the quick refrigeration mode operates for a certain period, the refrigerator automatically exits from this mode.
- the movable air supply hood 82 is opened, the air door 81 is opened, and both the blower 70 and the top blower 50 work, so that quick refrigeration can be performed in the storage compartments 11, 12.
- the arrows in this figure represent the flow directions of air flow.
Abstract
Description
- The present invention is related to the field of freezing and refrigeration technologies, and more particularly, to a refrigerator.
- Air-cooled refrigerators can maintain the freshness of food, extend food storage time and improve food safety, so they become essential home appliances. However, in current air-cooled refrigerators, usually the air supply passage is arranged at the rear part of a storage compartment. After cooled air is blown, it sinks. As a result, the temperature at the front part of the storage compartment is relatively high, while the temperature at the rear part thereof is relatively low, causing uneven temperatures. The front part of the storage compartment is close to the door and heat leak can easily occur. Accordingly, the temperature at the front part of the storage compartment will be even higher, which is unfavorable for storing food. How to realize even temperature distribution in the storage compartment of a refrigerator is an urgent problem for improving the refrigeration effect of refrigerators.
- This invention aims to overcome at least one defect of existing refrigerators, and provides a novel refrigerator. The refrigerator can efficiently realize even temperature distribution in the storage compartment.
- Accordingly, this invention provides a refrigerator, comprising: a storage compartment and a refrigeration air passage configured to supply refrigeration air. In particular, the refrigerator further comprises: a top air passage that is provided at a top wall of the storage compartment, comprises a rear end air inlet, a front end air inlet and a mixed air outlet opening downwards, and is configured to receive refrigeration air blown from the refrigeration air passage via the rear end air inlet, receive return air returning from the storage compartment via the front end air inlet, and allow the refrigeration air and the return air to flow into the storage compartment in a mixed manner via the mixed air outlet.
- Optionally, the refrigeration air passage communicates with a rear space of the storage compartment to supply refrigeration air to the storage compartment.
- Optionally, the refrigerator further comprises a cooling chamber provided with an air outlet connected with the refrigeration air passage; a cooling device provided in the cooling chamber to cool the air passing the cooling chamber; a blower provided at the air outlet of the cooling chamber; and a return air passage connecting a lower space of the storage compartment and the cooling chamber, such that a part or all of the air in the storage compartment enters the cooling chamber via the return air passage and enters the refrigeration air passage after being cooled by the cooling device.
- Optionally, the refrigerator further comprises another storage compartment provided below the storage compartment and in front of the cooling chamber; another refrigeration air passage connecting the air outlet of the cooling chamber and the another storage compartment; and another return air passage connecting the another storage compartment and the cooling chamber.
- Optionally, the refrigerator further comprises a movable air supply hood provided at an outer side of the air outlet of the cooling chamber and configured to provide an opening allowing the refrigeration air to flow into the refrigeration air passage when closing the air outlet of the cooling chamber.
- Optionally, the refrigerator further comprises an air door configured to controllably close or open the refrigeration air passage.
- Optionally, the refrigerator further comprises a top blower configured to blow the refrigeration air and the return air to the storage compartment in a mixed manner via the mixed air outlet.
- Optionally, the refrigerator further comprises a top air passage cover plate mounted at a lower surface of the top wall of the storage compartment to form the top air passage.
- Optionally, the top air passage cover plate comprises: a web portion extending upwards from its rear end to its front end and provided with a through hole; and an air aperture portion extending downwards from an edge of the through hole, having a lower end opening acting as the mixed air outlet, and having the blower mounted therein.
- Optionally, the refrigerator further comprises a refrigeration air passage cover plate mounted at a front surface of the rear wall of the storage compartment to form the refrigeration air passage, and provided with multiple refrigeration air outlets to provide the refrigeration air to the storage compartment and/or the top air passage.
- The refrigerator of this invention comprises a top air passage which allows refrigeration air to mix with return air with a relatively high temperature in the storage compartment and supplies the mixed air to the storage compartment, so that the refrigeration output/temperature in the storage compartment is evenly distributed, realizing quick, even and efficient refrigeration. In addition, the top air passage enables the refrigeration air path in the storage compartment to change from a single circulation process to a multiple circulation process, realizing even temperature distribution in the storage compartment.
- Further, the refrigeration air passage in the refrigerator of this invention can directly supply refrigeration air to the storage compartment, considerably improving the refrigeration efficiency of the refrigerator.
- The above and other objects, advantages and features of the invention will be understood by those skilled in the art more clearly with reference to the detailed description of the embodiments of this invention below with reference to the accompanying drawings.
- The followings will describe some embodiments of this invention in detail in an exemplary rather than restrictive manner with reference to the accompanying drawings. The same reference signs in the drawings represent the same or similar parts. Those skilled in the art shall understand that these drawings are only schematic ones of this invention, and may not be necessarily drawn according to the scales. In the drawings:
-
Fig. 1 is a schematic drawing of a refrigerator according to an embodiment of this invention; -
Fig. 2 is a schematic drawing of a refrigerator according to another embodiment of this invention; and -
Fig. 3 is a schematic drawing of a refrigerator according to yet another embodiment of this invention. -
Fig. 1 is a schematic drawing of arefrigerator 100 according to an embodiment of this invention. As shown inFig. 1 , the embodiment of this invention provides arefrigerator 100. Therefrigerator 100 may typically comprise astorage compartment 11 for storing food, arefrigeration air passage 30 for providing refrigeration air to thestorage compartment 11, and adoor 20 for closing thestorage compartment 11. In particular, therefrigerator 100 may further comprise: atop air passage 40. Thetop air passage 40 is provided at a top wall of thestorage compartment 11, comprises a rearend air inlet 41, a frontend air inlet 42 and amixed air outlet 43 opening downwards, and is configured to receive refrigeration air blown from therefrigeration air passage 30 via the rearend air inlet 41, receive return air returning from thestorage compartment 11 via the frontend air inlet 42, and allow the refrigeration air and the return air to flow into thestorage compartment 11 in a mixed manner via themixed air outlet 43 so as to increase the refrigeration speed in thestorage compartment 11. Specifically, when therefrigerator 100 works, thetop air passage 40 allows the refrigeration air from therefrigeration air passage 30 to merge and mix with the return air close to thedoor 20 of thestorage compartment 11 and having a relatively high temperature, and blow the mixed air substantially vertically downwards to thestorage compartment 11, making the temperature in thestorage compartment 11 more even. - In some embodiments of this invention, the
refrigerator 100 further comprises atop blower 50 provided at the mixedair outlet 43 and configured to blow the refrigeration air and the return air to thestorage compartment 11 in a mixed manner via themixed air outlet 43 so as to improve the air supply efficiency. Thetop blower 50 may be an axial blower. In some alternative embodiments of this invention, a blower may provided at each air inlet of thetop air passage 40 to blow air into thetop air passage 40. In other alternative embodiments of this invention, each air inlet may directly receive air flow blown from other air passages. - In some embodiments of this invention, the
refrigerator 100 may further comprise a top airpassage cover plate 44 mounted at a lower surface of the top wall of thestorage compartment 11 to form thetop air passage 40. Specifically, the top airpassage cover plate 44 may be mounted at the lower surface of the top wall of thestorage compartment 11, and comprises aweb portion 441 with a through hole provided therein and anair aperture portion 442. Theweb portion 441 extends upwards from its rear end to its front end, and an included angle between the web portion and the horizontal plane may be 5 to 30 degrees. Theair aperture portion 442 extends downwards in a direction perpendicular with theweb portion 441 from an edge of the through hole, so that themixed air outlet 43 is slightly inclined forwards, guaranteeing a low temperature environment at thedoor 20 of therefrigerator 100. Thetop blower 50 may be installed in theair aperture portion 442. In other alternative embodiments of this invention, the top airpassage cover plate 44 may be mounted at an upper surface of the top wall of thestorage compartment 11 to form thetop air passage 40. Or thetop air passage 40 may be directly formed in the top wall of thestorage compartment 11. - Further, the
refrigerator 100 may further comprise two end cover plates each having an air inlet. The two end cover plates may be mounted at the two sides of the top airpassage cover plate 44 respectively. -
Fig. 2 is a schematic drawing of a refrigerator according to another embodiment of this invention. As shown inFig. 2 , in therefrigerator 100 of this embodiment, therefrigeration air passage 30 communicates with a rear space of thestorage compartment 11 to supply refrigeration air to thestorage compartment 11. Specifically, in some embodiments, therefrigerator 100 may further comprise a refrigeration air passage cover plate mounted at a front surface of the rear wall of thestorage compartment 11 to form therefrigeration air passage 30. The refrigeration air passage cover plate is provided with multiplerefrigeration air outlets 31 to provide the refrigeration air to thestorage compartment 11 and/or thetop air passage 40. For example, the surfaces on which somerefrigeration air outlets 31 of the multiplerefrigeration air outlets 31 are located abut against the end surface of the rearend air inlet 41 of thetop air passage 40 to allow the refrigeration air to enter thetop air passage 40. Alternatively, the surfaces on which somerefrigeration air outlets 31 of the multiplerefrigeration air outlets 31 are located may be spaced from the end surface of the rearend air inlet 41 of thetop air passage 40 by a predetermined clearance to allow the refrigeration air to enter thetop air passage 40. The some refrigeration air outlets and the rearend air inlet 41 of thetop air passage 40 are located inside thestorage compartment 11. The remainingrefrigeration air outlets 31 of the multiplerefrigeration air outlets 31 may supply refrigeration air to thestorage compartment 11. In some alternative embodiments of this invention, the refrigeration air passage cover plate may be mounted at a rear surface of the rear wall of thestorage compartment 11 to form therefrigeration air passage 30, and the rear wall of thestorage compartment 11 is provided with multiplerefrigeration air outlets 31. - In some embodiments of this invention, the
refrigerator 100 may further comprise a coolingchamber 13, acooling device 60, ablower 70 and a return air passage. The coolingchamber 13 is provided with an air outlet connected with therefrigeration air passage 30. Thecooling device 60 is provided in the coolingchamber 13 to cool the air passing the cooling chamber. Thecooling device 60 may be an evaporator of a compression refrigeration system. Theblower 70 may be arranged at the air outlet. The return air passage connects a lower space of thestorage compartment 11 and the coolingchamber 13 such that a part or all of the air in thestorage compartment 11 enters the coolingchamber 13 via the return air passage and enters therefrigeration air passage 30 after being cooled by the coolingdevice 60. - In some embodiments of this invention, to facilitate picking and placing of articles, the
refrigerator 100 may further comprise adrawer 90 for receiving thearticles 92, such as beef, water melons and beverages. Thedrawer 90 can be operably inserted into thestorage compartment 11 and pulled out of the same. In other words, thedrawer 90 is installed inside thestorage compartment 11. Optionally, lower parts of the front and rear walls of thedrawer 90 comprises ventilation holes 91, so that the air flow flowing out of themixed air outlet 43 can easily flow out of thedrawer 90 via the ventilation holes 91 of thedrawer 90 after exchanging heat with thearticles 92 inside thedrawer 90, Further, the air flowing out of the ventilation holes 91 of the front wall of thedrawer 90 may return to the frontend air inlet 42 of thetop air passage 40 for circulation. The air flowing out of the ventilation holes 91 of the rear wall of thedrawer 90 may return to the return air passage for circulation. - In some embodiments of this invention, the
refrigerator 100 may further comprise anotherstorage compartment 12, which may be arranged blow thestorage compartment 11. For example, thestorage compartment 11 may be a refrigeration compartment, and the anotherstorage compartment 12 may be a freezing compartment. Further, a quick freezing compartment may be provided between thestorage compartment 11 and the anotherstorage compartment 12. The coolingchamber 13 may be arranged behind the anotherstorage compartment 12. Therefrigerator 100 further comprises anotherrefrigeration air passage 32 connecting the air outlet of the coolingchamber 13 and the anotherstorage compartment 12, and anotherreturn air passage 33 connecting the anotherstorage compartment 12 and the coolingchamber 13. - In some embodiments of this invention, as shown in
Fig. 3 , therefrigerator 100 may further comprise anair door 81 and a movableair supply hood 82. Theair door 81 is configured to controllably close or open therefrigeration air passage 30. The movableair supply hood 82 is provided at an outer side of the air outlet of the coolingchamber 13 and configured to provide an opening allowing refrigeration air to flow into therefrigeration air passage 30 when closing the air outlet of the coolingchamber 13. That is, when the movableair supply hood 82 closes the air outlet of the coolingchamber 13, the anotherrefrigeration air passage 32 connected with the anotherstorage compartment 12 can be closed, so that therefrigeration air passage 30 is not blocked. - The
refrigerator 100 of the embodiments of this invention may have multiple working modes. The multiple working modes may comprise the following working modes: an independent working mode of thestorage compartment 11, an independent working mode of the anotherstorage compartment 12, a joint working mode, a quick refrigeration mode and another joint work mode. In the independent working mode of thestorage compartment 11, the movableair supply hood 82 is closed, theair door 81 is opened, theblower 70 works while thetop blower 50 does not work, so that thestorage compartment 11 works independently. In the independent working mode of the anotherstorage compartment 12, the movableair supply hood 82 is opened, theair door 81 is closed, theblower 70 works while thetop blower 50 does not work, so that the anotherstorage compartment 12 works independently. In the joint working mode, the movableair supply hood 82 is opened, theair door 81 is opened, theblower 70 works while thetop blower 50 does not work, so that the twostorage compartments air supply hood 82 is closed, theair door 81 is opened, and both theblower 70 and thetop blower 50 work, so that quick refrigeration can be performed in thestorage compartment 11. As shown inFig. 1 , the arrows in this figure represent the flow directions of air flow. To prevent excessive temperature rise in the anotherstorage compartment 12, after the quick refrigeration mode operates for a certain period, the refrigerator automatically exits from this mode. In the another joint work mode, the movableair supply hood 82 is opened, theair door 81 is opened, and both theblower 70 and thetop blower 50 work, so that quick refrigeration can be performed in the storage compartments 11, 12. As shown inFig. 3 , the arrows in this figure represent the flow directions of air flow. - Although multiple embodiments of this invention have been illustrated and described in detail, those skilled in the art may make various modifications and variations to the invention based on the content disclosed by this invention or the content derived therefrom without departing from the spirit and scope of the invention. Thus, the scope of this invention should be understood and deemed to include these and other modifications and variations.
Claims (10)
- A refrigerator, comprising:a storage compartment;a refrigeration air passage configured to supply refrigeration air; anda top air passage that is provided at a top wall of the storage compartment, comprises a rear end air inlet, a front end air inlet and a mixed air outlet opening downwards, and is configured to receive refrigeration air blown from the refrigeration air passage via the rear end air inlet, receive return air returning from the storage compartment via the front end air inlet, and allow the refrigeration air and the return air to flow into the storage compartment in a mixed manner via the mixed air outlet.
- The refrigerator of claim 1, wherein the refrigeration air passage communicates with a rear space of the storage compartment to supply refrigeration air to the storage compartment.
- The refrigerator of claim 1, further comprising:a cooling chamber provided with an air outlet connected with the refrigeration air passage;a cooling device provided in the cooling chamber to cool the air passing the cooling chamber;a blower provided at the air outlet of the cooling chamber; anda return air passage connecting a lower space of the storage compartment and the cooling chamber, such that a part or all of the air in the storage compartment enters the cooling chamber via the return air passage and enters the refrigeration air passage after being cooled by the cooling device.
- The refrigerator of claim 3, further comprising:another storage compartment provided below the storage compartment and in front of the cooling chamber;another refrigeration air passage connecting the air outlet of the cooling chamber and the another storage compartment; andanother return air passage connecting the another storage compartment and the cooling chamber.
- The refrigerator of claim 3, further comprising: a movable air supply hood provided at an outer side of the air outlet of the cooling chamber and configured to provide an opening allowing the refrigeration air to flow into the refrigeration air passage when closing the air outlet of the cooling chamber.
- The refrigerator of claim 3, further comprising: an air door configured to controllably close or open the refrigeration air passage.
- The refrigerator of claim 1, further comprising: a top blower configured to blow the refrigeration air and the return air to the storage compartment in a mixed manner via the mixed air outlet.
- The refrigerator of claim 7, further comprising: a top air passage cover plate mounted at a lower surface of the top wall of the storage compartment to form the top air passage.
- The refrigerator of claim 8, wherein the top air passage cover plate comprises:a web portion extending upwards from its rear end to its front end and provided with a through hole; andan air aperture portion extending downwards from an edge of the through hole, having a lower end opening acting as the mixed air outlet, and having the blower mounted therein.
- The refrigerator of claim 1, further comprising: a refrigeration air passage cover plate mounted at a front surface of the rear wall of the storage compartment to form the refrigeration air passage, and provided with multiple refrigeration air outlets to provide the refrigeration air to the storage compartment and/or the top air passage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510534154.3A CN105042989B (en) | 2015-08-26 | 2015-08-26 | Refrigerator |
PCT/CN2016/086186 WO2017032150A1 (en) | 2015-08-26 | 2016-06-17 | Refrigerator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3343144A1 true EP3343144A1 (en) | 2018-07-04 |
EP3343144A4 EP3343144A4 (en) | 2019-04-24 |
EP3343144B1 EP3343144B1 (en) | 2022-01-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16838410.5A Active EP3343144B1 (en) | 2015-08-26 | 2016-06-17 | Refrigerator |
Country Status (4)
Country | Link |
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US (1) | US20180031299A1 (en) |
EP (1) | EP3343144B1 (en) |
CN (1) | CN105042989B (en) |
WO (1) | WO2017032150A1 (en) |
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CN105042989B (en) * | 2015-08-26 | 2018-12-14 | 青岛海尔特种电冰箱有限公司 | Refrigerator |
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CN107202462B (en) * | 2016-03-16 | 2021-02-09 | 博西华电器(江苏)有限公司 | Refrigerator with a door |
CN106091544A (en) * | 2016-06-21 | 2016-11-09 | 南京创维家用电器有限公司 | A kind of refrigerator air duct and refrigerator thereof |
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CN114251891A (en) * | 2020-09-24 | 2022-03-29 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
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- 2015-08-26 CN CN201510534154.3A patent/CN105042989B/en active Active
-
2016
- 2016-06-17 WO PCT/CN2016/086186 patent/WO2017032150A1/en active Application Filing
- 2016-06-17 US US15/547,792 patent/US20180031299A1/en not_active Abandoned
- 2016-06-17 EP EP16838410.5A patent/EP3343144B1/en active Active
Also Published As
Publication number | Publication date |
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CN105042989B (en) | 2018-12-14 |
WO2017032150A1 (en) | 2017-03-02 |
CN105042989A (en) | 2015-11-11 |
US20180031299A1 (en) | 2018-02-01 |
EP3343144B1 (en) | 2022-01-26 |
EP3343144A4 (en) | 2019-04-24 |
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