CN111306865A - A kind of refrigerator - Google Patents
A kind of refrigerator Download PDFInfo
- Publication number
- CN111306865A CN111306865A CN202010138448.5A CN202010138448A CN111306865A CN 111306865 A CN111306865 A CN 111306865A CN 202010138448 A CN202010138448 A CN 202010138448A CN 111306865 A CN111306865 A CN 111306865A
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- air
- chamber
- refrigerator
- air channel
- cavity
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- 238000007710 freezing Methods 0.000 claims abstract description 50
- 230000008014 freezing Effects 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims description 17
- 239000002937 thermal insulation foam Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 238000003860 storage Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
Abstract
The invention discloses a refrigerator, the refrigerator body is divided into a freezing chamber and a refrigerating chamber which are arranged at the upper part and the left and the right, and a temperature changing chamber which is arranged at the lower part, the back of the freezing chamber is provided with an evaporator bin, and a main circulating air duct cavity in front of the evaporator bin, the refrigerator is characterized in that: the main circulation air channel cavity is provided with a centrifugal fan, one side of the top of the main circulation air channel cavity is provided with an air channel sinking cavity, the side wall of the air channel sinking cavity is provided with an air port for supplying air to the refrigerating chamber, the main circulation air channel cavity further comprises a freezing chamber air channel and a temperature-variable chamber air channel, and the sectional area of the temperature-variable chamber air channel is larger than that of the freezing chamber air channel. The three compartments of the refrigerator share one evaporator and one centrifugal fan to realize temperature control in the interval, and through reasonable air duct design, the material cost of products is reduced, the effective volume of the refrigerator is improved, and the noise of the whole refrigerator is reduced.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a large-volume air-cooled refrigerator with a temperature-changing chamber.
Background
A typical large-capacity multi-temperature-zone refrigerator on the market at present has a freezing chamber, a refrigerating chamber and a temperature-variable chamber, and the temperature of the temperature-variable chamber can be adjusted within a certain range, for example, the temperature-variable chamber can be switched between a freezing temperature zone and a refrigerating temperature zone as required, that is, the temperature-variable chamber can be used as the freezing chamber or the refrigerating chamber as required, or the temperature in the temperature-variable chamber can be set to-3 ℃ to 2 ℃ (called as an ice temperature zone), so that food can be well preserved and the food can be easily separated, and therefore, the refrigerator with the temperature-variable chamber is more and more favored by users. For a large refrigerator with multiple temperature zones and multiple chambers, the cold quantity distribution control of each temperature zone is difficult, and for the refrigerator with a temperature-variable chamber, the refrigerator design is undoubtedly challenged greatly. Because the temperature adjustable range of the temperature-changing chamber is very wide, the cold quantity demand range is also wide, in order to enable the temperature-changing chamber and the refrigerating chamber to realize accurate temperature control, the refrigeration air duct system of the refrigerating chamber is usually separated from the air duct systems of the other two chambers to form two air duct systems which operate independently, and two sets of evaporators and fans for forced air supply are respectively configured, however, the whole noise of the refrigerator is increased, the effective volume of the refrigerating chamber is reduced, and meanwhile, the material cost is also increased.
Disclosure of Invention
The invention aims to provide a refrigerator with a refrigerating air channel circulating system shared by a refrigerating chamber, a freezing chamber and a temperature changing chamber, so that the material cost of products is reduced, the effective volume of the refrigerator is increased, and the defects of the prior art are overcome.
The technical scheme for solving the technical problem is as follows: the utility model provides a refrigerator, the box of refrigerator is separated for the freezer and the walk-in that lay about and lie in the top to and be located the temperature-changing room of below, the back of freezer sets up the evaporimeter storehouse, and main circulation wind channel chamber in evaporimeter storehouse the place ahead, its characterized in that: the main circulation air channel cavity is provided with a centrifugal fan, one side of the top of the main circulation air channel cavity is provided with an air channel sinking cavity, the side wall of the air channel sinking cavity is provided with an air port for supplying air to the refrigerating chamber, the main circulation air channel cavity further comprises a freezing chamber air channel and a temperature-variable chamber air channel, and the sectional area of the temperature-variable chamber air channel is larger than that of the freezing chamber air channel.
The main circulation wind channel chamber includes main circulation wind channel board, the top of main circulation wind channel board is the wind-guiding district, the heavy chamber in wind channel is located the wind-guiding district, corresponds in the wind-guiding district the mounted position of centrifugal fan sets up the fan hole, thereby sets up four baffles on main circulation wind channel board and form the variable temperature room wind channel that is located the centre to and left and right freezer wind channel in variable temperature room wind channel both sides.
The upper end of the first partition plate among the four partition plates extends to the top of the main circulation air duct plate, the upper end of the first partition plate is provided with a protruding section bent towards the centrifugal fan, and the upper ends of the other three partition plates extend towards the centrifugal fan and are spaced from the excircle of the centrifugal fan.
When the fourth intermediate plate upwards vertically extends to be close to the air duct sinking cavity, the upper end of the fourth intermediate plate bends and extends to the centrifugal fan until being close to the excircle of the centrifugal fan, when the third intermediate plate upwards vertically extends to the air guide zone, the upper end of the third intermediate plate bends and extends to the central direction of the centrifugal fan until being close to the excircle of the centrifugal fan, and inlets of the freezing chamber air duct and the temperature-variable chamber air duct are distributed around the excircle of the centrifugal fan.
The upper part of the main circulation air duct plate protrudes towards the direction of the evaporator bin, so that the depth of the air guide area of the main circulation air duct cavity is greater than the depth of other areas of the main circulation air duct cavity.
The refrigerating chamber air channel assembly is arranged at the top of the refrigerating chamber, a refrigerating chamber air channel cavity is arranged in the heat insulation foam layer between the refrigerating chamber and the freezing chamber and connected with the air channel sinking cavity and the refrigerating chamber air channel assembly, and the refrigerating chamber air channel assembly comprises a refrigerating chamber air channel plate, a cover plate of the refrigerating chamber air channel plate and a refrigerating chamber air channel liner.
And a first air door is arranged in the air duct cavity of the refrigerating chamber.
The back of the air duct plate of the refrigerating chamber is provided with an L-shaped air duct.
The invention has the beneficial effects that:
the invention sets up the evaporator storehouse in the back of freezer, and convey the low-temperature air in the evaporator storehouse to the three wind channels of freezing, cold storage, temperature-changing room through the centrifugal fan in the upper portion, wherein, the wind channel system of the chill chamber crosses the bubble layer between freezing and cold storage, the wind channel is shorter, the cold wind can reach the top of the chill chamber rapidly, thus can guarantee the cold energy supply of the chill chamber, the air supply wind channel of the temperature-changing room stretches from the top of freezer vertically downward, and locate in two freezing and divide the wind channel, the sectional area of the wind channel of the temperature-changing room is far greater than the wind channel of cold storage, freezing, guarantee the temperature-changing room can meet the freezing requirement. Meanwhile, the air door is arranged on the air duct of the temperature-changing chamber, and the air quantity is adjusted through the air door, so that the temperature of the temperature-changing chamber can be adjusted within a wide range. The three compartments of the refrigerator share one evaporator and one centrifugal fan to realize temperature control in the interval, and through reasonable air duct design, the material cost of products is reduced, the effective volume of the refrigerator is improved, and the noise of the whole refrigerator is reduced.
Drawings
Fig. 1 is a schematic structural view of a refrigerator body of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
FIG. 3 is a sectional view taken along line B-B of FIG. 1.
Fig. 4 is a schematic structural diagram of the inner cavity of the refrigerator body of the refrigerator.
FIG. 5 is a schematic structural diagram of a cabinet top air guide chamber of the refrigerator according to the present invention.
Fig. 6 is a schematic diagram of a main circulation air duct structure of the refrigerator of the present invention.
Fig. 7 is a schematic diagram (front side) of the structure of the refrigerating chamber air duct of the refrigerator of the present invention.
Fig. 8 is a schematic view (back side) of the air duct structure of the refrigerating chamber of the refrigerator of the present invention.
Fig. 9 is a schematic view (front side) of the upper duct plate structure of the refrigerator of the present invention.
Fig. 10 is a schematic view (back side) of the upper duct plate structure of the refrigerator of the present invention.
Fig. 11 is a schematic view (front view) of the structure of the lower duct plate of the refrigerator of the present invention.
Fig. 12 is a schematic view (back side) of the structure of the lower duct plate of the refrigerator of the present invention.
Fig. 13 is a schematic view of the air guide design principle of the refrigerator of the present invention.
Fig. 14 is an enlarged view of a portion E of fig. 3.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, a fixed connection unless expressly specified or limited otherwise. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-14, the invention discloses a refrigerator, which comprises a refrigerator body and a door body, wherein the space in the refrigerator body is divided into a freezing chamber 1 and a refrigerating chamber 2 which are arranged above and on the left and right, and a temperature-changing chamber 3 which is arranged below, the door body comprises a freezing chamber door, a refrigerating chamber door and a temperature-changing chamber drawer door, the freezing chamber door and the refrigerating chamber door are split left and right, the temperature-changing chamber drawer door is a sliding door, the drawer door is in linkage connection with a temperature-changing chamber drawer through a structural member, and the temperature-changing chamber drawer can be pulled out together when the drawer door is pulled open. The back of freezer sets up evaporimeter storehouse 13, and evaporimeter 4 is installed in the lower part of evaporimeter storehouse 13, and the evaporimeter storehouse is by box freezer inner bag and main circulation wind channel board around the cavity that forms, sets up main circulation wind channel apron in the place ahead of main circulation wind channel board, by main circulation wind channel board and wind channel apron around forming main circulation wind channel chamber, main circulation wind channel chamber can realize: firstly, supplying air to a refrigerating chamber; secondly, supplying air to the freezing chamber; and thirdly, supplying air to the temperature changing chamber. The main circulating air duct cavity is positioned in an interlayer between the evaporator bin and the inner cavity of the freezing chamber. In order to simplify the structure of the manufacturing mold and avoid the mold from being too huge, the main circulation air duct plate is divided into an upper air duct plate 11 and a lower air duct plate 16 which are spliced, and the air duct cover plate is also divided into an upper air duct cover plate 12 and a lower air duct cover plate 17.
The evaporator bin 13 is arranged in the freezing chamber 1 and is positioned on the inner side of the rear wall of the freezing chamber container; the height and width of the evaporator bin 3 are approximately equal to those of the freezing chamber box liner, the evaporator 4 in the evaporator bin 13 exchanges heat with air to obtain cold air, and the cold air is conveyed to the freezing chamber 1, the refrigerating chamber 2 and the temperature changing chamber 3 through the centrifugal fan. Because the refrigerating temperature of freezer 1 is lower, so, in order to ensure the refrigeration effect of freezer 1, set up the evaporimeter storehouse on the wall behind the nearly case courage of freezer 1, can shorten the flow path of cold air flow direction freezer 1 like this, and then ensure the refrigerating temperature of freezer 1.
The main circulation duct plate is provided with a first heat insulating material layer 1101 in a region close to the evaporator 4, and the heat insulating material may be foam or a material having a heat transfer preventing function such as sponge. The heat insulation material layer reduces the transmission of cold energy of the evaporator to the air duct cavity through the air duct plate, so that the influence of excessive low temperature of the evaporator on the air supply temperature of the main circulation air duct cavity is avoided, and the temperature control is more accurate. Similarly, a second thermal insulation material layer 121 is also arranged on a partial back surface (particularly, the middle lower part) of the upper air duct cover plate 12 and the back surface of the lower air duct cover plate 17, so that the temperature of the back wall of the inner cavity of the freezing chamber is prevented from being too low.
The top of the evaporator bin 13 is communicated with the main circulating air duct cavity, cold air in the evaporator bin is sucked by the centrifugal fan 5, the bottom of the evaporator bin 13 is communicated with the air return duct 8, and the air return duct 8 is communicated with the inner cavity of the freezing chamber, the refrigerating chamber and the temperature changing chamber, so that air circulation flowing heat exchange is realized. The centrifugal fan 5 is fixedly installed at the rear back of the upper duct cover plate through a bracket, a fan hole 119 is formed at the upper portion of the upper duct plate 11 corresponding to the centrifugal fan 5, and the cold air in the evaporator compartment 13 is sucked in from the fan hole 119 by the centrifugal fan 5. The upper part of the upper duct plate 11 is the air guiding area and is required to perform the task of distributing the cold air from the evaporator bin to the three compartments. As shown in fig. 2, 3 and 10, the upper duct plate 11 includes a fan assembling portion 110 and a vertical duct portion 117, the fan assembling portion 110 and the vertical duct portion 117 are not on the same plane, the air guiding region (see the fan assembling portion 110) is recessed toward the evaporator chamber than the lower duct region (see the vertical duct portion 117) to make the depth of the air guiding region larger than the duct region, the back of the upper duct plate 11 is provided with a mounting post 116 for mounting and positioning, one side of the freezing chamber liner near the refrigerating chamber is provided with an inward recessed cavity 14, the upper duct plate 11 is provided with a duct recessed cavity 15 above one side near the refrigerating chamber, the duct recessed cavity 15 is trapezoidal and is composed of an opening, an inner end plane and four inclined side walls 115, the opening cross-sectional area of the recessed cavity is larger than the area of the inner end plane, the side walls 115 are provided with a duct opening 151, a refrigerating chamber duct cavity is provided in the insulating foam layer between the refrigerating chamber and the freezing, the cold storage chamber air duct cavity is connected with the air duct sinking cavity 15 and the cold storage chamber air duct assembly, so that cold air enters the cold storage chamber from the air guide area. The first partition board 111, the second partition board 112, the third partition board 113 and the fourth partition board 114 are vertically arranged on the upper air duct board 11 and the lower air duct board 16, the first partition board 111 and the fourth partition board 114 are respectively arranged on the left side and the right side, the free ends of the four partition boards are directly abutted on the upper air duct cover board 12 or the lower air duct cover board 17, so that an air duct cavity is divided into a freezing chamber air duct 19 on the left side and a cooling chamber air duct 18 in the middle, inlets of the three air ducts are close to the excircle of the centrifugal fan and are separated from the excircle of the fan by a certain distance, in order to ensure that the cooling chamber has enough cooling capacity, the sectional area of the cooling chamber air duct 18 is larger than the sum of the sectional areas of the. The upper end of the first partition 111 extends to the top of the upper duct plate and is provided with a protruding section 1111 bent toward the centrifugal fan, the upper ends of the remaining three partitions extend toward the centrifugal fan and keep a distance from the outer circle of the centrifugal fan, and the cold air flow is "thrown" out along the tangent line of the outer circle of the centrifugal fan by the rotation of the centrifugal fan, see fig. 14, the fan air flow is "thrown" out along the tangent line F, and the cold air is distributed to the freezing chamber duct 19 and the middle variable temperature chamber duct 18 and duct caisson 15. Moreover, in order to avoid the air duct sinking chamber 15 and ensure sufficient air volume of the air duct of the freezing chamber, after the fourth intermediate plate 114 is vertically extended to be close to the air duct sinking chamber 15, the upper end 1141 of the fourth intermediate plate bends and extends towards the center direction of the centrifugal fan until being close to the outer circle of the centrifugal fan and keeps a certain distance, and in order to avoid the upper end 1141 of the fourth intermediate plate, the upper end 1131 of the third intermediate plate 113 bends and extends towards the center direction of the centrifugal fan until being close to the outer circle of the centrifugal fan and keeps a certain distance. I.e. such that the inlets of the freezing chamber duct 19 and the intermediate variable temperature chamber duct 18 are distributed around the outer circumference of the centrifugal fan. Thus, the working characteristics of the centrifugal fan are matched, and when the air of the centrifugal fan is thrown out along the rotating tangential direction of the centrifugal fan, the air quantity of the left air channel and the right air channel of the freezing chamber are basically the same. Above structure, can be better lead cold wind, be favorable to reducing fan noise on one hand, reduce the windage, second make cold volume distribution more reasonable, be favorable to temperature scientific control and reduce the complete machine energy consumption.
The left side and the right side below the lower air duct plate 16 are provided with a freezing chamber air return cavity 161, a temperature change chamber air port 181 for sending cold air to the temperature change chamber is arranged on the lower flanging of the lower air duct plate 16, a temperature change chamber air duct cavity is arranged in a heat insulation bubble layer between the temperature change chamber and the freezing chamber and is connected with the temperature change chamber air port 181 and the temperature change chamber air supply duct 31, so that the cold air enters the temperature change chamber from the air guide area through the temperature change chamber air duct 18, the temperature change chamber air port 181, the temperature change chamber air duct cavity, the temperature change chamber air supply duct 31 and the temperature change chamber air outlet 32, and then returns to the evaporator bin 13 from the temperature change chamber air return port 82.
The refrigerating chamber air duct assembly comprises a refrigerating chamber air duct plate 22 and a cover plate thereof, and a refrigerating chamber air duct liner 23 (made of light foaming materials). A first air door 7 is arranged in the air duct cavity of the refrigerating chamber and used for adjusting the air quantity conveyed to the refrigerating chamber. The back of the cold storage room air duct plate 22 is provided with an L-shaped air duct 222, so that the air supply direction is adjusted from horizontal to downward air blowing, an air inlet 221 of the L-shaped air duct 222 is deep into the cavity of the cold storage room air duct, and an air outlet 223 of the L-shaped air duct is opened on a downward flanging of the cold storage room air duct plate 22.
The air return inlet of the refrigerating chamber is arranged near the freezing chamber side, the air return inlet 81 of the freezing chamber is arranged at the lower bottom of the freezing chamber, the air return inlet 82 of the temperature-changing chamber is arranged at the lower part of the temperature-changing chamber and is communicated with the air return duct 8.
The working process of the freezing chamber 1 is as follows: after the evaporator in the evaporator bin exchanges heat with air, under the action of a centrifugal fan, cold air flows into two branch air channels of the freezing chamber along the air outlet of the evaporator bin through the air distribution area, then enters the freezing chamber through the air outlet of each freezing chamber to refrigerate each layer area of the freezing chamber, and then returns to the evaporator bin through the air return opening of the freezing chamber.
The working process of the refrigerating chamber 2 is as follows: after the evaporator in the evaporator bin exchanges heat with air, under the action of a centrifugal fan, the cold air flows into the cold storage room side air duct opening along the air outlet of the evaporator bin through the air distribution area, then enters the cold storage air duct in the cold storage room, and then enters the cold storage room through the air outlet of each cold storage room so as to refrigerate each layer area of the cold storage room, and then returns to the evaporator bin through the air return opening of the cold storage room.
The working process of the temperature changing chamber 3 is as follows: after evaporator 4 that is located evaporator storehouse 13 carries out the heat transfer to the air, under centrifugal fan's effect, air conditioning flows into temperature-varying chamber wind channel 18 along evaporator storehouse 13's air outlet and through the wind-guiding district, rethread temperature-varying chamber air outlet 32 gets into temperature-varying chamber 3, in order to refrigerate temperature-varying chamber 3, and accessible temperature-varying chamber air door 6 adjusts the amount of wind, realize the regulation of temperature in the temperature-varying chamber 3, and then make the temperature of temperature-varying chamber 3 at cold-stored temperature, switch between soft cold-stored temperature and cold-stored temperature, air current behind the heat transfer in the temperature-varying chamber 3 loops through temperature-varying chamber return air inlet 82 and return air duct 8 again and gets into evaporator storehouse 13 bottom, rethread evaporator 4 carries out the.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. The utility model provides a refrigerator, the box of refrigerator is separated for the freezer and the walk-in that lay about and lie in the top to and be located the temperature-changing room of below, the back of freezer sets up the evaporimeter storehouse, and main circulation wind channel chamber in evaporimeter storehouse the place ahead, its characterized in that: the main circulation air channel cavity is provided with a centrifugal fan, one side of the top of the main circulation air channel cavity is provided with an air channel sinking cavity, the side wall of the air channel sinking cavity is provided with an air port for supplying air to the refrigerating chamber, the main circulation air channel cavity further comprises a freezing chamber air channel and a temperature-variable chamber air channel, and the sectional area of the temperature-variable chamber air channel is larger than that of the freezing chamber air channel.
2. The refrigerator of claim 1, wherein: the main circulation wind channel chamber includes main circulation wind channel board, the top of main circulation wind channel board is the wind-guiding district, the heavy chamber in wind channel is located the wind-guiding district, corresponds in the wind-guiding district the mounted position of centrifugal fan sets up the fan hole, thereby sets up four baffles on main circulation wind channel board and form the variable temperature room wind channel that is located the centre to and left and right freezer wind channel in variable temperature room wind channel both sides.
3. The refrigerator of claim 2, wherein: the upper end of the first partition plate among the four partition plates extends to the top of the main circulation air duct plate, the upper end of the first partition plate is provided with a protruding section bent towards the centrifugal fan, and the upper ends of the other three partition plates extend towards the centrifugal fan and are spaced from the excircle of the centrifugal fan.
4. The refrigerator of claim 3, wherein: when the fourth intermediate plate upwards vertically extends to be close to the air duct sinking cavity, the upper end of the fourth intermediate plate bends and extends to the centrifugal fan until being close to the excircle of the centrifugal fan, when the third intermediate plate upwards vertically extends to the air guide zone, the upper end of the third intermediate plate bends and extends to the central direction of the centrifugal fan until being close to the excircle of the centrifugal fan, and inlets of the freezing chamber air duct and the temperature-variable chamber air duct are distributed around the excircle of the centrifugal fan.
5. The refrigerator of claim 4, wherein: the upper part of the main circulation air duct plate protrudes towards the direction of the evaporator bin, so that the depth of the air guide area of the main circulation air duct cavity is greater than the depth of other areas of the main circulation air duct cavity.
6. The refrigerator of claim 5, wherein: the refrigerating chamber air channel assembly is arranged at the top of the refrigerating chamber, a refrigerating chamber air channel cavity is arranged in the heat insulation foam layer between the refrigerating chamber and the freezing chamber and connected with the air channel sinking cavity and the refrigerating chamber air channel assembly, and the refrigerating chamber air channel assembly comprises a refrigerating chamber air channel plate, a cover plate of the refrigerating chamber air channel plate and a refrigerating chamber air channel liner.
7. The refrigerator of claim 6, wherein: and a first air door is arranged in the air duct cavity of the refrigerating chamber.
8. The refrigerator of claim 7, wherein: the back of the air duct plate of the refrigerating chamber is provided with an L-shaped air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138448.5A CN111306865A (en) | 2020-03-03 | 2020-03-03 | A kind of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138448.5A CN111306865A (en) | 2020-03-03 | 2020-03-03 | A kind of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111306865A true CN111306865A (en) | 2020-06-19 |
Family
ID=71151766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010138448.5A Pending CN111306865A (en) | 2020-03-03 | 2020-03-03 | A kind of refrigerator |
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| Country | Link |
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| CN (1) | CN111306865A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091365A (en) * | 2021-04-07 | 2021-07-09 | 广东奥马冰箱有限公司 | Side-by-side combination refrigerator with improved air duct |
| CN114251899A (en) * | 2020-09-22 | 2022-03-29 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN115406165A (en) * | 2022-09-08 | 2022-11-29 | 中山市凯腾电器有限公司 | Intelligent multi-temperature-zone refrigerator |
-
2020
- 2020-03-03 CN CN202010138448.5A patent/CN111306865A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251899A (en) * | 2020-09-22 | 2022-03-29 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN114251899B (en) * | 2020-09-22 | 2024-04-23 | 海信容声(广东)冰箱有限公司 | Refrigerator with a refrigerator body |
| CN113091365A (en) * | 2021-04-07 | 2021-07-09 | 广东奥马冰箱有限公司 | Side-by-side combination refrigerator with improved air duct |
| CN115406165A (en) * | 2022-09-08 | 2022-11-29 | 中山市凯腾电器有限公司 | Intelligent multi-temperature-zone refrigerator |
| CN115406165B (en) * | 2022-09-08 | 2024-03-15 | 广东凯得智能科技股份有限公司 | Intelligent refrigerator with multiple temperature areas |
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