CN110285629B - Refrigerator with cooling chamber at lower part of inner side of freezing inner container - Google Patents
Refrigerator with cooling chamber at lower part of inner side of freezing inner container Download PDFInfo
- Publication number
- CN110285629B CN110285629B CN201810333247.3A CN201810333247A CN110285629B CN 110285629 B CN110285629 B CN 110285629B CN 201810333247 A CN201810333247 A CN 201810333247A CN 110285629 B CN110285629 B CN 110285629B
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- freezing
- refrigerator
- chamber
- evaporator
- cooling chamber
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- 238000007710 freezing Methods 0.000 title claims abstract description 123
- 230000008014 freezing Effects 0.000 title claims abstract description 123
- 238000001816 cooling Methods 0.000 title claims abstract description 85
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 15
- 238000005192 partition Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000009423 ventilation Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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
-
- 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
- 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
- F25D17/067—Evaporator fan units
-
- 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
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/069—Cooling space dividing partitions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a refrigerator with a cooling chamber at the lower part of the inner side of a freezing inner container, which comprises a box body, wherein the box body comprises a storage inner container, the storage inner container comprises a freezing inner container at the lower part, the lower part of the inner side of the freezing inner container is limited with the cooling chamber, and a storage compartment above the cooling chamber is limited in the storage inner container; the evaporator is arranged in the cooling chamber, the cooling chamber occupies the space below the inside of the freezing inner container, the position of the freezing chamber above the cooling chamber in the freezing inner container can be effectively raised, the bending degree of a user when the user operates the article taking and placing operation of the freezing chamber is reduced, and the use experience of the user is improved. The centrifugal fan is arranged in the cooling chamber and is obliquely arranged at the rear side of the evaporator backwards, so that the height of the centrifugal fan is reduced, the space occupied by the cooling chamber is reduced, the space above the cooling chamber in the freezing liner is increased, and the storage chamber above the cooling chamber is limited in the storage liner.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a refrigerator with a cooling chamber positioned at the lower part of the inner side of a freezing liner.
Background
For the integrated cabinet assembled in a kitchen, in order to improve the attractiveness and the integrity of the cabinet, the integrated cabinet often adopts an embedded refrigerator, the space of the embedded refrigerator is limited, and the reasonable distribution of the arrangement space of the refrigerator and other equipment is required to be considered in the structural design of the refrigerator.
In the existing refrigerator, the freezing chamber is generally positioned at the lower part of the refrigerator, the evaporator is positioned at the rear part of the outer side of the freezing chamber, the pressing machine bin is positioned at the rear lower part of the freezing chamber, and the freezing chamber is required to be abducted for the pressing machine bin, so that the abnormal shape exists in the freezing chamber, and the depth of the freezing chamber is limited.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a refrigerator in which a cooling chamber which overcomes or at least partially solves the above problems is located at a lower portion inside a freezing container.
A further object of the present invention is to improve the rationality of the use of the space in the refrigerator.
The invention provides a refrigerator with a cooling chamber at the lower part of the inner side of a freezing liner, which comprises:
the refrigerator comprises a refrigerator body, wherein the refrigerator body comprises a storage liner, the storage liner comprises a freezing liner positioned at the lower part, and a cooling chamber is defined at the lower part of the inner side of the freezing liner;
An evaporator disposed in the cooling chamber;
and a centrifugal fan disposed in the cooling chamber and inclined rearward at a rear side of the evaporator to reduce a mounting height of the centrifugal fan, the centrifugal fan being configured to promote a flow of the cold air cooled by the evaporator to the storage compartment.
Optionally, the centrifugal fan comprises a casing and an impeller arranged in the casing and close to the front end;
The machine shell extends obliquely upwards from front to back, a cold air inlet is formed in the upper surface of the machine shell at a position corresponding to the impeller, a cold air outlet is formed in the rear end of the machine shell, and the oblique direction of the impeller is parallel to the oblique direction of the machine shell;
the refrigerator also comprises a freezing air supply duct which extends vertically upwards along the rear wall of the freezing inner container, and the lower end of the freezing air supply duct is connected and communicated with the cold air outlet at the rear end of the shell so as to convey cold air flow after heat exchange with the evaporator.
Optionally, the upper surface of the housing forms an angle with the vertical plane in the range of 55 ° to 70 °.
Optionally, the angle formed by the lower surface of the casing and the freezing air supply duct ranges from 120 degrees to 135 degrees.
Optionally, the horizontal distance between the front end face of the casing and the rear end face of the evaporator is 15 mm to 25 mm.
Optionally, the storage compartment comprises a freezing chamber and a temperature changing chamber, wherein the freezing chamber is defined by the inner container of the freezing chamber and is positioned right above the cooling chamber;
The freezing air supply duct is provided with an air supply outlet communicated with the freezing chamber and an air supply outlet communicated with the temperature changing chamber.
Optionally, the refrigerator further includes:
A cover plate with an open rear part, which is buckled at the bottom of the freezing inner container to jointly define a cooling chamber with the rear wall and the bottom wall of the freezing inner container;
the front upper part of the cover plate is provided with an air return opening, so that the return air flows of the freezing chamber and the temperature changing chamber flow into the cooling chamber through the air return opening for re-cooling.
Optionally, the refrigerator further includes:
The front-to-back is the deep bead of echelonment, is located the below of cover plate upper surface to set up in evaporimeter upper portion, the deep bead includes:
the front plate section is arranged at intervals with the upper surface of the evaporator so that part of return air flow enters an interval space between the front plate section and the upper surface of the evaporator to exchange heat with the evaporator;
The back plate section is connected with the back end of the front plate section and is tightly attached to the upper surface of the evaporator, so that partial return air flow passing through the gap and not passing through the evaporator due to the fact that the back plate section forms a gap with the upper surface of the evaporator is avoided;
The space between the air deflector and the upper surface of the hood is filled with a windshield foam to prevent a portion of the return air flow from entering the space between the air deflector and the upper surface of the hood without passing through the evaporator.
Optionally, the storage liner further comprises a refrigeration liner positioned above the freezing liner;
the storage compartment further comprises a refrigerating chamber defined by the inside of the refrigerating liner;
The refrigerator also comprises a refrigerating air supply channel which is arranged on the inner side of the rear wall of the refrigerating liner, the inlet of the refrigerating air supply channel is connected and communicated with the outlet of the refrigerating air supply channel, and the refrigerating air supply channel is provided with an air supply outlet communicated with the refrigerating chamber so as to convey cold air flow to the refrigerating chamber.
Optionally, the refrigerator further includes:
The two return air channels are respectively arranged on two lateral sides of the storage liner, and two ends of each return air channel are respectively communicated with the refrigerating chamber and the cooling chamber so as to convey return air flow of the refrigerating chamber into the cooling chamber for re-cooling.
The refrigerator with the cooling chamber arranged at the lower part of the inner side of the freezing inner container occupies the space below the inner side of the freezing inner container, can effectively raise the position of a storage compartment (for example, a freezing chamber arranged above the cooling chamber) arranged at the upper part of the cooling chamber in the freezing inner container, reduces the bending degree of a user when the user operates the freezing chamber to take and put articles, and improves the use experience of the user. In addition, the centrifugal fan is obliquely arranged at the rear side of the evaporator backwards, so that the installation height of the centrifugal fan is reduced, the height space occupied by the cooling chamber is reduced, and the storage volume of the storage compartment at the upper part of the cooling chamber is ensured.
Furthermore, the cooling chamber is positioned in the refrigerator at the lower part of the inner side of the freezing liner, and the centrifugal fan has a special design structure, so that the air loss can be reduced, and the air supply efficiency is ensured.
Furthermore, the cooling chamber is positioned in the refrigerator at the lower part of the inner side of the freezing liner, the upper part of the evaporator is provided with the wind shield with a special structure, when the front end face of the evaporator frosts, return air flow can enter the spacing space between the front plate section of the wind shield and the upper surface of the evaporator to exchange heat with the evaporator, and the temperature is reduced to form cold air flow, so that the continuous supply of the cold air flow is ensured.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present invention;
Fig. 2 is an exploded view of a refrigerator according to an embodiment of the present invention;
FIG. 3 is a schematic view of a refrigerator according to one embodiment of the present invention with a refrigerating compartment door, a temperature change drawer, and a freezing drawer hidden;
FIG. 4 is an exploded view of the structure of FIG. 3 with both side panels of the case removed;
FIG. 5 is a schematic view of a refrigerator according to an embodiment of the present invention, in which part of the structures of a refrigerating compartment door, a temperature change drawer, a freezing drawer, and a cover plate are hidden to show components disposed inside a cooling compartment;
fig. 6 is a partial sectional view of a refrigerator according to an embodiment of the present invention;
FIG. 7 is a partial schematic view of FIG. 6;
FIG. 8 is a schematic view of a centrifugal fan and a freezing air supply duct of a refrigerator according to one embodiment of the present invention;
fig. 9 is a partial schematic view of a refrigerator according to an embodiment of the present invention, in which a structure of a bottom of a cabinet is shown;
FIG. 10 is a partial schematic view of a refrigerator according to an embodiment of the present invention, in which a side plate of a cabinet is hidden to show a structure of an inner side of a bottom of the cabinet;
fig. 11 is a schematic view of a bottom structure of a refrigerator according to an embodiment of the present invention, in which a side plate of a cabinet is hidden; and
Fig. 12 is an exploded view of the structure shown in fig. 11.
Detailed Description
As shown in fig. 1 to 4, the present embodiment firstly provides a refrigerator 10 in which a cooling chamber 133 is located at the lower portion of the inner side of a freezing liner 130, the refrigerator 10 may generally include a case 100, the case 100 includes a housing 110 and a storage liner disposed at the inner side of the housing 110, a space between the housing 110 and the storage liner is filled with a thermal insulation material (forming a foaming layer), a storage compartment is defined in the storage liner, the storage liner may generally include a freezing liner 130, a refrigerating liner 120, and the like, the freezing liner 130 is located above the refrigerating liner 120, and the storage compartment includes a freezing chamber 132 defined by the freezing liner 130 and a refrigerating chamber 121 defined by the refrigerating liner 120.
As will be appreciated by those skilled in the art, the refrigerator 10 of embodiments of the present invention may further include an evaporator 101, a blower fan, a compressor 104, a condenser 105, and a throttling element (not shown), among others. The evaporator 101 is connected to the compressor 104, the condenser 105, and the throttling element via refrigerant lines, and forms a refrigeration cycle, and cools down when the compressor 104 is started, so as to cool down air flowing therethrough.
In particular, in this embodiment, as shown in fig. 1 to 4, the freezing liner 130 is located at the lower portion of the box, the cooling chamber 133 is defined at the lower portion of the inner side thereof, the evaporator 101 is disposed in the cooling chamber 133, the air supply fan is a centrifugal fan 103, the centrifugal fan 103 is disposed in the cooling chamber 133 and located at the rear side of the evaporator 101, the storage compartment located above the cooling chamber 133 is defined in the storage liner, and the centrifugal fan is configured to promote the cold air flow cooled by the evaporator 101 to flow toward the storage compartment.
In some embodiments, the storage compartment includes a freezing compartment 132 defined in the freezing container 130 and located directly above the cooling compartment 133, and a temperature changing compartment 131 located directly above the freezing compartment 132, and both the temperature changing compartment 131 and the freezing compartment 132 are drawer-type structures, as shown in fig. 2, and in combination with fig. 3, a temperature changing compartment drawer door 137 is provided at a front side of the temperature changing compartment 131 to open or close the temperature changing compartment 131, and a freezing compartment drawer door 138 is provided at a front side of the freezing compartment 132 to open or close the freezing compartment 132. The refrigerating liner 120 is positioned above the freezing liner 130, the storage compartment includes a refrigerating chamber 121 defined by the refrigerating liner 120, and a refrigerating chamber door 136 is provided at a front side of the refrigerating chamber 121 to open or close the refrigerating chamber 121.
As is well known to those skilled in the art, the temperature within the refrigerated compartment 121 is typically between 2 ℃ and 10 ℃, preferably between 4 ℃ and 7 ℃. The temperature within the freezer compartment 132 is typically in the range of-22 deg.c to-14 deg.c. The temperature-changing chamber 131 can be optionally adjusted to-18 ℃ to 8 ℃. The optimal storage temperatures of the different kinds of articles are different, and the suitable storage positions are also different, for example, fruits and vegetables are suitable for storing in the refrigerating chamber 121, and meat is suitable for storing in the freezing chamber 132.
In particular, as shown in fig. 5 to 7, the centrifugal fan 103 of the present embodiment is disposed rearward of the evaporator 101 in a rearward inclined manner, that is, the top end of the centrifugal fan 103 is more forward than the bottom end, so that the centrifugal fan 103 as a whole assumes a rearward inclined posture. Thereby reducing the arrangement height of the centrifugal fan 103 and the height space occupied by the centrifugal fan 103, thereby reducing the height space occupied by the cooling chamber 133 and ensuring the storage volume of the storage compartment at the upper part of the cooling chamber 133.
In the traditional refrigerator, the freezing chamber is generally arranged at the lowest part of the refrigerator, so that the freezing chamber is lower in position, a user needs to bend over or squat down to take and put articles in the freezing chamber, and the refrigerator is inconvenient for the user to use, and is particularly inconvenient for the old. In this embodiment, the cooling chamber 133 is disposed in the lower space inside the freezing liner, so that the cooling chamber 133 occupies the lower space inside the freezing liner, the height of the freezing chamber 132 is increased, the bending degree of the user when the user performs the operation of taking and placing the articles in the freezing chamber 132 is reduced, and the use experience of the user is improved. And by arranging the centrifugal fan 103 obliquely backward, the space occupied by the cooling chamber 133 is reduced, and the space of the freezing chamber 132 and the temperature changing chamber 131 above the cooling chamber 133 in the freezing liner 130 is increased.
In some embodiments, as shown in fig. 4 and 5, the evaporator 101 is horizontally disposed in the cooling chamber 133 in a flat cube shape as a whole, that is, the long and wide surfaces of the evaporator 101 are parallel to the horizontal plane, the thick surface is perpendicular to the horizontal plane, the evaporator 101 is parallel to the ground as a whole, and the thickness dimension is significantly smaller than the length dimension of the evaporator 101. By placing the evaporator 101 transversely in the cooling chamber 133, the evaporator 101 is prevented from taking up more space, and the storage volumes of the freezing chamber 132 and the temperature changing chamber 131 in the upper portion of the cooling chamber 133 are ensured.
The centrifugal fan 103 comprises a casing 103a and an impeller 103b arranged in the casing 103a and close to the front end, wherein the casing 103a extends obliquely upwards from front to back, a cold air inlet is formed in the upper surface of the casing at a position corresponding to the impeller 103b, and a cold air outlet is formed in the rear end of the casing. The direction of inclination of the impeller 103b is parallel to the direction of inclination of the casing 103 a.
The refrigerator 10 further includes a freezing air supply duct 141, the freezing air supply duct 141 extends vertically upward along the rear wall of the freezing chamber 130, and the lower end of the freezing air supply duct 141 is connected and communicated with a cool air outlet at the rear end of the casing 103a, the freezing air supply duct 141 has an air supply outlet 141a communicated with the freezing chamber 132 and an air supply outlet 141b communicated with the variable temperature chamber 131, so as to convey the cool air flow after heat exchange with the evaporator 101 to the freezing chamber 132 and the variable temperature chamber 131, respectively, to maintain the freezing chamber 132 at a corresponding temperature and the variable temperature chamber 131 at a corresponding temperature.
In some embodiments, referring to fig. 6, the included angle β between the upper surface 103a-2 of the housing 103a and the vertical plane ranges from 55 ° to 70 °, and by arranging the centrifugal fan 103 in this way, the air flow loss is reduced to the greatest extent while the height space occupied by the centrifugal fan 103 is reduced, so that the air supply efficiency is ensured while the compactness of the space layout is ensured. In addition, the inclination direction of the impeller 103b is approximately parallel to the inclination direction of the casing 103a, so that an air outlet passage of the casing 103a behind the impeller 103b is approximately parallel to the impeller 103b, air nesting at the air outlet of the centrifugal fan 103 is avoided, air supply efficiency is further ensured, and airflow flowing noise is reduced.
The lower surface 103a-1 of the housing 103a and the freezing air supply duct 141 have an angle μ ranging from 120 ° to 135 °, and by restricting the housing 103a to the above arrangement, the air volume loss caused when the housing 103a is turned to the freezing air supply duct 141 can be reduced, while giving way to the right lower portion of the freezing chamber 132.
The horizontal distance alpha between the front end surface of the casing 103a and the rear end surface of the evaporator 101 is 15-25 mm, so that the phenomenon that the centrifugal fan 103 frosts due to the fact that the centrifugal fan 103 and the evaporator 101 are too small in distance and spread on the impeller 103b when the evaporator 101 frosts in a large amount is avoided.
Referring to fig. 4 and 5, the refrigerator 10 further includes a refrigerating air supply duct 142, an inlet 142b of the refrigerating air supply duct 142 being connected to and communicating with an outlet 141d of the freezing air supply duct 141, the refrigerating air supply duct 142 further having an air supply outlet 142a communicating with the refrigerating compartment 121 to supply a cold air flow to the refrigerating compartment 121, maintaining the refrigerating compartment 121 at a corresponding temperature.
A connection duct (not shown) is provided between the refrigerating air supply duct 142 and the freezing air supply duct 141, and an inlet 142b of the refrigerating air supply duct 142 is connected to and communicates with an outlet 141d of the freezing air supply duct 141 through the connection duct.
Two air return channels 150 are respectively arranged on two lateral sides of the storage inner container, namely two air return channels 150 of the refrigerator 10 are respectively arranged on two lateral sides of the storage inner container, and two ends of each air return channel 150 are respectively communicated with the refrigerating chamber 121 and the cooling chamber 133 so as to convey the air return flow of the refrigerating chamber 121 into the cooling chamber 133 for re-cooling. As shown in fig. 6 and 7, the cooling compartment 133 has a refrigerated return air inlet 102b in communication with the return air duct 150, and the return air flow of the refrigerating compartment 121 is recirculated into the cooling compartment 133 through the return air duct 150 and the refrigerated return air inlet 102 b.
In some embodiments, as shown in fig. 2 and 3, and in combination with fig. 4, 6 and 7, an open-back cover plate 102 is disposed within the freezing chamber 130, and the cover plate 102 is fastened to the bottom of the freezing chamber 130 and defines a cooling chamber 133 with the back wall and the bottom wall of the freezing chamber 130.
In particular, in the present embodiment, the air return port 102a is formed at the upper portion of the front side of the cover plate 102, so that the air return flow of the freezing chamber 132 and the air return flow of the temperature changing chamber 131 flow into the cooling chamber 133 through the air return port 102a to exchange heat with the evaporator 101 again, thereby forming a cold air flow. In this embodiment, by forming the return air inlet 102a at the upper portion of the front side of the cover plate 102, the return air flow of the freezing chamber 132 and the return air flow of the temperature changing chamber 131 flow into the cooling chamber 133 through the return air inlet 102a, so that the additional arrangement of a refrigerating return air duct for conveying the return air flows of the freezing chamber 132 and the temperature changing chamber 131 is omitted, and the overall structure of the refrigerator 10 is simplified.
Referring again to fig. 6 and 7, the refrigerator 10 further includes a front-to-rear stepped wind deflector 139, and the wind deflector 139 is positioned below the upper surface of the cover plate 102 and is disposed at the upper portion of the evaporator 101. The wind guard 139 includes front plate 139a and back plate 139b connected with the back end of front plate 139a, and front plate 139a is spaced from the upper surface of evaporator 101, so that a space is formed between front plate 139a and the upper surface of evaporator 101, a part of the return air flow delivered to cooling chamber 133 through return air inlet 102a and return air duct 190 enters the space between front plate 139a and the upper surface of evaporator 101 to exchange heat with evaporator 101, so that the heat exchange area between the return air flow and evaporator 101 is increased, and when the front end surface of evaporator 101 frosts, the return air flow can enter the space between front plate 139a and the upper surface of evaporator 101 to exchange heat with evaporator 101, and the cooling forms a cold air flow, thereby ensuring continuous supply of the cold air flow.
The back plate 139b is closely attached to the upper surface of the evaporator 101, so that a gap is avoided between the back plate 139b and the upper surface of the evaporator 101. If the rear plate 139b forms a gap with the upper surface of the evaporator 101, such that an air flow channel is formed between the wind deflector 139 and the upper surface of the evaporator 101, part of the return air flow will directly flow to the rear of the evaporator 101 through the air flow channel without exchanging heat with the evaporator 101, that is, the return air flow is conveyed to the storage compartment above the cooling chamber 133 by the cooling air duct and the refrigerating air duct 142 under the action of the centrifugal fan 103, so as to affect the temperature of the storage compartment. Therefore, in this embodiment, by tightly attaching the rear plate 139b to the upper surface of the evaporator 101, it is avoided that the rear plate 139b forms a gap with the upper surface of the evaporator 101, so that a part of the return air flow passes through the gap without exchanging heat with the evaporator 101.
Also, the space between the air deflector 139 and the upper surface of the hood 102 should be filled with the air deflector foam 139d so that the return air flow cannot enter the space between the air deflector 139 and the upper surface of the hood 102, thereby avoiding a part of the return air flow from entering the space between the air deflector 139 and the upper surface of the hood 102 without passing through the evaporator 101.
As shown in fig. 2, 6 and 10, the bottom of the case 100 is located at the rear of the cooling chamber 133 to define a press compartment 180, that is, the press compartment 180 is located at the rear lower side of the freezing chamber 130 opposite to the cooling chamber 133, and the rear of the cooling chamber 133 may be the right rear or the lower rear of the cooling chamber 133.
In the conventional refrigerator, the press bin is generally located at the rear of the freezing chamber at the lowermost part of the refrigerator body, the freezing chamber is inevitably made into a special-shaped space for giving way to the press bin, the storage volume of the freezing chamber is reduced, and the vertical depth of the freezing chamber is generally increased in order to maintain a certain storage volume of the freezing chamber, so that the following aspects are inconvenient to use. On the one hand, the user needs to bend down to a large extent when placing articles in the deeper freezing chamber, which is inconvenient for the old; on the other hand, when a user stores articles in the freezing chamber, the articles are required to be stacked in the height direction, so that the user is inconvenient to find the articles, and the articles at the bottom of the freezing chamber are easy to be shielded, so that the user is not easy to find the articles to forget, and the articles are deteriorated and wasted; furthermore, because the freezing chamber is special-shaped and is not a rectangular space, the freezing chamber is inconvenient to place for some articles which are large in size and are not easy to divide.
In the refrigerator 10 of the embodiment, the cooling chamber 133 is defined at the lower part of the freezing liner 130, and the press cabin 180 is defined behind the cooling chamber 133 at the rear lower side of the freezing liner 130, the part of the freezing liner 130 corresponding to the cooling chamber 133 provides a yielding position for the press cabin 180, so that the freezing chamber 132 above the cooling chamber 133 is a rectangular space, thereby changing the stacked storage of the articles into the flat expansion storage, facilitating the searching of the articles by the user, and saving the time and energy of the user; meanwhile, the storage of the articles with larger volume and difficult segmentation is facilitated, and the pain point that the larger articles cannot be stored in the freezing chamber 132 is solved; in addition, as described above, the overall height of the freezing chamber 132 above the cooling chamber 133 is raised, reducing the bending down margin when the user uses, and facilitating the user's operation.
In some embodiments, referring to fig. 10, the bottom wall of the freezing chamber 130 includes a horizontal wall 134 and an inclined wall 135 extending obliquely rearward and upward from the horizontal wall 134, the horizontal wall 134 forming the bottom wall of the cooling chamber 133, the inclined wall 135 forming the rear wall of the cooling chamber 133, and the press bin 180 being located rearward and downward from the inclined wall 135. The sloped wall 135 is designed to provide a relief space for the press bin.
As shown in fig. 9 to 12, the compressor 104, the heat radiation fan 106, and the condenser 105 are sequentially arranged at intervals in the widthwise direction (widthwise direction as shown in fig. 1,2, and 9) within the press bin 180. The bottom of the case 100 is formed with an air inlet 110a (e.g., the air inlet 110a is located at a lateral left side as shown in fig. 9) and an air outlet 110b (e.g., the air outlet 110b is located at a lateral right side as shown in fig. 9), the air inlet 110a corresponds to the condenser 105 to communicate the condenser 105 with an external space, and the air outlet 110b corresponds to the compressor 104 to communicate the compressor 104 with the external space. The heat dissipation fan 106 is configured to promote external air to enter the condenser 105 through the air inlet 110a, enter the compressor 104 from the condenser 105, and be discharged to the external space through the air outlet 110b, so as to dissipate heat of the compressor 104. In the vapor compression refrigeration cycle, the surface temperature of the condenser 105 is generally lower than the surface temperature of the compressor 104, so that the outside air is cooled first to cool the condenser 105 and then to cool the compressor 104.
The refrigerator 10 of the present invention is preferably used in a recessed cabinet or other receiving space to conserve space occupied by the refrigerator 10. In order to improve the overall aesthetic degree of the refrigerator 10 and reduce the space occupied by the refrigerator 10, the reserved space between the rear wall of the refrigerator 10 and the accommodating space or between the rear wall of the refrigerator 10 and the cabinet is smaller, so that the heat dissipation efficiency of the front-back air inlet and outlet mode adopted in the prior art is lower, and if the heat dissipation is ensured, the distance between the rear wall of the refrigerator 10 and the accommodating space or between the rear wall of the refrigerator 10 and the cabinet must be increased, so that the space occupied by the refrigerator 10 is increased. In the refrigerator 10 of the embodiment, the air inlet 110a and the air outlet 110b are formed at the bottom of the refrigerator body 100 at a transverse interval, so that the heat dissipation air flow circulates at the bottom of the refrigerator 10, the space between the refrigerator 10 and the supporting surface is fully utilized, the distance between the rear wall of the refrigerator 10 and the cabinet is not required to be increased, the space occupied by the refrigerator 10 is reduced, and the heat dissipation efficiency is improved.
In some embodiments, the condenser 105 may be disposed obliquely, as shown in fig. 12, and the condenser 105 may be disposed obliquely from bottom to top in a direction gradually away from the compressor 104, whereby the heat dissipation area of the condenser 105 may be increased in a press cabin of a limited space.
In some embodiments, as shown in fig. 9-12, the housing 110 further includes a bottom plate, a pallet 112, two vertically extending side plates 111, and one vertically extending back plate 116. The bottom plate includes a bottom horizontal section 113 at a bottom front side, a first inclined section 114 extending obliquely rearward and upward from a rear end of the bottom horizontal section 113, a second inclined section 118 extending obliquely rearward and upward from a rear end of the first inclined section 114, and a top horizontal section 115 extending rearward from a rear end of the second inclined section 118, the top horizontal section 115 constituting a top wall of the press bin 180. The pallet 112 is located below the top horizontal section 115 to constitute a bottom wall of the press compartment 180, and the compressor 104, the heat radiation fan 106 and the condenser 105 are sequentially arranged on the pallet 112 at intervals in a lateral direction, and the pallet 112 is spaced from the bottom horizontal section 113 to form a tuyere communicating with an external space by using a spaced space between a front end of the pallet 112 and a rear end of the bottom horizontal section 113.
Referring to fig. 9, two vertically extending side plates 111 are configured as two side walls in the lateral direction of the case to close both sides in the lateral direction of the case, and lower portions of the two side plates 111 constitute the two side walls in the lateral direction of the press magazine 180. The back plate 116 extends downwardly from the rear end of the top horizontal section 115 to the rear end of the pallet 112 for constituting the rear wall of the press magazine 180.
A partition 117 is disposed at the rear of the middle of the first inclined section 114, and the rear of the partition 117 is connected to the heat dissipation fan 106, thereby dividing the space between the supporting plate 112 and the bottom horizontal section 113 (i.e., the aforementioned air inlet) into the air inlet 110a and the air outlet 110b.
In the conventional refrigerator, the bottom of the refrigerator body is generally provided with a bearing plate with a substantially flat plate structure, the compressor is arranged on the inner side of the bearing plate, and vibration generated in the operation of the compressor has a great influence on the bottom of the refrigerator body. In this embodiment, as described above, the bottom of the housing 110 is configured as a three-dimensional structure by the bottom plate and the supporting plate 112 with special structures, so as to provide an independent three-dimensional space for the arrangement of the compressor 104, and the supporting plate 112 is used to carry the compressor 104, so as to reduce the influence of the vibration of the compressor 104 on other components at the bottom of the box. In addition, by designing the housing 110 to be of the special structure ingenious as above, the bottom of the refrigerator 10 is compact in structure and reasonable in layout, the whole volume of the refrigerator 10 is reduced, meanwhile, the space at the bottom of the refrigerator 10 is fully utilized, and the heat dissipation efficiency of the compressor 104 and the condenser 105 is ensured.
Due to the inclined structure of the first inclined section 114, the air inlet 110a and the air outlet 110b are inclined, so that the air inlet and the air outlet are smoother, and the heat dissipation efficiency is ensured. In some embodiments, referring again to fig. 6, the distance from the front edge 112a of the pallet 112 to the first sloped section 114 ranges from 20 to 50 millimeters, thereby ensuring the dimensions of the air inlet 110a and the air outlet 110b, and further ensuring the heat dissipation efficiency of the compressor 104 and the condenser 105.
In some embodiments, as shown in fig. 12 and referring to fig. 10 and 11, the heat dissipation fan 106 may include a partition frame 107 and an axial flow fan 106-1 positioned in the partition frame 107, an upper edge of the partition frame 107 is connected to the top horizontal section 115, a lower end of a front edge of the partition frame 107 is positioned at a front side of the pallet 112 and abuts against the pallet 112, and a partition 117 abuts against a front edge of the partition frame 107, thereby realizing connection of the partition 117 with the heat dissipation fan 106 to isolate the air inlet 110a and the air outlet 110b.
In some embodiments, as shown in fig. 12, the back plate 116 may be provided with a plurality of ventilation holes 116a, where the ventilation holes 116a include ventilation holes 116a corresponding to the condenser 105 and ventilation holes 116a corresponding to the compressor 104, so that external air can enter the condenser 105 through the ventilation holes 116a under the action of the cooling fan 106, and be discharged outside after passing through the compressor 104, so as to increase the inlet and outlet of the circulating air flow in the compressor compartment 180, and further improve the heat dissipation efficiency of the compressor 104 and the condenser 105.
In some embodiments, as shown in fig. 9 and 10, and referring to fig. 3, the refrigerator 10 further includes a front-rear extending wind shielding strip 160, the wind shielding strip 160 is located between the wind inlet 110a and the wind outlet 110b, extends from the lower surface of the bottom horizontal section 113 to the lower surface of the supporting plate 112, and is connected to the lower end of the partition 117, so that when the refrigerator 10 is placed on a supporting surface, the wind shielding strip 160 and the partition 117 are used to completely isolate the wind inlet 110a from the wind outlet 110b, so that when the refrigerator 10 is placed on a supporting surface, the space between the bottom of the casing 110 and the supporting surface is laterally separated, external air is allowed to enter the condenser 105 through the wind inlet 110a located at one lateral side of the wind shielding strip 160 under the action of the heat dissipation fan 106, then enters the compressor 104 through the condenser 105, and finally flows out from the wind outlet 110b located at the other lateral side of the wind shielding strip 160, thereby ensuring that the wind inlet 110a and the wind outlet 110b are completely isolated, and further ensuring the heat dissipation efficiency.
As shown in fig. 3 and 5, support rollers (not shown) are disposed at four corners of the bottom of the housing 110, the refrigerator 10 is placed on a support surface (not shown), and the wind shielding strips 160 extend back and forth, laterally partition the space between the bottom of the housing 110 and the support surface, so that air flow in the external space enters the press cabin through the air inlet 110a, exchanges heat with the condenser 105 and the compressor 104 in sequence, and is discharged through the air outlet 110 b.
As shown in fig. 10 and referring to fig. 11, a space should be formed between the bottom plate of the outer case 110 and the freezing cylinder 130, so that the thermal insulation material (foaming agent) is conveniently filled, and a foaming layer is formed, thereby ensuring the thermal insulation of the refrigerator. In some embodiments, the first inclined section 114 is formed with an opening, the partition 117 has a cavity 117a recessed rearward and downward from the opening, and the position of the cavity 117a corresponding to the opening is opened, so that the foaming agent is contained by the cavity 117a of the partition 117, the thickness of the foaming layer is ensured, and the formation of condensation is avoided.
In some embodiments, referring again to fig. 6 and 7, in combination with fig. 10 and 12, the bottom wall of the cooling chamber 133 is formed with a water receiving portion 109, and the refrigerator 10 further includes an evaporation pan 108 and a drain pipe 170. The water receiving portion 109 may be located directly under the evaporator 101 to receive condensed water dropped from the evaporator 101, a drain port 130c is formed at the bottom of the water receiving portion 109, and a through hole communicating with the drain port 130c is formed at the bottom wall of the freezing container 130. An evaporation pan 108 is provided at the bottom of the condenser 105. One end of the drain pipe 170 communicates with the through hole, and the other end communicates into the evaporation pan 108 through the partition 117 to guide the condensed water into the evaporation pan 108.
In some embodiments, referring again to fig. 6 and 7, the water receiving part 109 has a front inclined surface and a rear inclined surface, and a water outlet 130c is formed at the junction of the front and rear inclined surfaces of the water receiving part 109, and the angles between the front and rear inclined surfaces of the water receiving part 109 and the horizontal plane are all 5 ° or more. The inclined surface of the water receiving portion 109 may allow condensed water generated by the evaporator 101 to enter the water receiving portion 109 and may ensure the entire discharge. The drain pipe 170 is arranged obliquely, and one end of the drain pipe 170 connected with the drain outlet is higher than the other end of the drain pipe 170, and an included angle between the drain pipe 170 and the horizontal plane is more than or equal to 5 degrees. The inclined angle of the drain pipe 170 is matched with the inclined angle of the water receiving part 109, so that condensed water in the water receiving part 109 can be smoothly discharged.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (10)
1. A refrigerator, comprising:
the refrigerator comprises a refrigerator body and a refrigerator body, wherein the refrigerator body comprises a storage liner, the storage liner comprises a refrigeration liner positioned at the lower part, a cooling chamber is defined at the lower part of the inner side of the refrigeration liner, and a storage compartment positioned above the cooling chamber is defined in the storage liner;
an evaporator disposed in the cooling chamber;
The centrifugal fan is positioned in the cooling chamber and is obliquely arranged at the rear side of the evaporator backwards so as to reduce the installation height of the centrifugal fan; the centrifugal fan is configured to promote the cold air flow cooled by the evaporator to flow to the storage compartment;
a cover plate with an open rear part, which is buckled at the bottom of the freezing inner container so as to jointly define the cooling chamber with the rear wall and the bottom wall of the freezing inner container;
The front-to-back is the deep bead of echelonment, is located the below of cover plate upper surface, and set up in evaporimeter upper portion, the deep bead includes:
the front plate section is arranged at intervals with the upper surface of the evaporator so that part of return air flow enters an interval space between the front plate section and the upper surface of the evaporator to exchange heat with the evaporator;
The rear plate section is connected with the rear end of the front plate section and is tightly attached to the upper surface of the evaporator so as to avoid that a gap is formed between the rear plate section and the upper surface of the evaporator to cause part of return air flow to pass through the gap without passing through the evaporator;
The space between the wind deflector and the upper surface of the hood plate is filled with wind shielding foam to avoid a portion of the return air flow from entering the space between the wind deflector and the upper surface of the hood plate without passing through the evaporator.
2. The refrigerator of claim 1, wherein
The centrifugal fan comprises a shell and an impeller arranged in the shell and close to the front end;
The machine shell extends obliquely upwards from front to back, a cold air inlet is formed in the upper surface of the machine shell at a position corresponding to the impeller, a cold air outlet is formed in the rear end of the machine shell, and the oblique direction of the impeller is parallel to the oblique direction of the machine shell;
The refrigerator further comprises a freezing air supply duct, the freezing air supply duct extends upwards vertically along the rear wall of the freezing inner container, and the lower end of the freezing air supply duct is connected and communicated with the cold air outlet at the rear end of the shell so as to convey cold air flow after heat exchange with the evaporator.
3. The refrigerator of claim 2, wherein
The upper surface of the shell and the vertical surface form an angle with the range of 55 degrees to 70 degrees.
4. The refrigerator of claim 2, wherein
The angle between the lower surface of the casing and the freezing air supply duct ranges from 120 degrees to 135 degrees.
5. The refrigerator of claim 2, wherein
The horizontal distance between the front end face of the shell and the rear end face of the evaporator is 15-25 mm.
6. The refrigerator of claim 2, wherein
The storage compartment comprises a freezing chamber and a temperature changing chamber, wherein the freezing chamber is defined by the inner container of the freezing chamber and is positioned right above the cooling chamber;
The freezing air supply duct is provided with an air supply outlet communicated with the freezing chamber and an air supply outlet communicated with the temperature changing chamber.
7. The refrigerator of claim 6, further comprising:
And an air return opening is formed at the upper part of the front side of the cover plate, so that return air flows of the freezing chamber and the temperature changing chamber flow into the cooling chamber through the air return opening for re-cooling.
8. The refrigerator of claim 7, wherein
The refrigerator forms a spacing space between the front plate section and the upper surface of the evaporator, and is configured to enable a part of return air flow conveyed into the cooling chamber through the return air inlet and the return air duct to enter the spacing space between the front plate section and the upper surface of the evaporator to exchange heat with the evaporator.
9. The refrigerator of claim 2, wherein
The storage liner further comprises a refrigeration liner positioned above the freezing liner;
the storage compartment further comprises a refrigeration chamber defined by the interior of the refrigeration liner;
The refrigerator also comprises a refrigerating air supply channel which is arranged on the inner side of the rear wall of the refrigerating liner, an inlet of the refrigerating air supply channel is connected and communicated with an outlet of the refrigerating air supply channel, and an air supply outlet which is communicated with the refrigerating chamber is arranged on the refrigerator, so that cold air flow is conveyed to the refrigerating chamber.
10. The refrigerator of claim 9, further comprising:
The two return air channels are respectively arranged on two lateral sides of the storage liner, and two ends of each return air channel are respectively communicated with the refrigerating chamber and the cooling chamber, so that return air flow of the refrigerating chamber is conveyed to the cooling chamber for re-cooling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333247.3A CN110285629B (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
| CN202410772277.XA CN118565128A (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333247.3A CN110285629B (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410772277.XA Division CN118565128A (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110285629A CN110285629A (en) | 2019-09-27 |
| CN110285629B true CN110285629B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333247.3A Active CN110285629B (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
| CN202410772277.XA Pending CN118565128A (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410772277.XA Pending CN118565128A (en) | 2018-04-13 | 2018-04-13 | Refrigerator with cooling chamber at lower part of inner side of freezing inner container |
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| CN (2) | CN110285629B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375491B (en) | 2018-04-13 | 2024-10-25 | 青岛海尔电冰箱有限公司 | Refrigerator with air supply fan located at downstream of evaporator |
| CN109282556B (en) * | 2018-09-17 | 2020-12-11 | 湖北美的电冰箱有限公司 | Air-cooled refrigerator |
| CN114076469A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator with evaporator arranged at bottom of inner container |
| CN114076454B (en) * | 2020-08-18 | 2023-09-19 | 青岛海尔电冰箱有限公司 | Refrigerator with improved return air cover mounting structure |
| CN114076470A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator with bottom-mounted evaporator |
| CN114076460A (en) * | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator capable of increasing capacity of bottom storage space |
| CN114076466B (en) * | 2020-08-18 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator with evaporator arranged at bottom of refrigerator body |
| CN114076468A (en) | 2020-08-18 | 2022-02-22 | 青岛海尔电冰箱有限公司 | Refrigerator with evaporator arranged at bottom of refrigerator body |
| CN114076450B (en) * | 2020-08-18 | 2023-03-17 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator |
| CN114076464B (en) * | 2020-08-18 | 2023-04-18 | 青岛海尔电冰箱有限公司 | Air-cooled refrigerator |
| CN216114890U (en) * | 2021-07-16 | 2022-03-22 | 合肥海尔电冰箱有限公司 | Refrigerator with a door |
| CN216114850U (en) * | 2021-07-23 | 2022-03-22 | 合肥海尔电冰箱有限公司 | Refrigerator with a door |
| CN216557835U (en) * | 2021-08-05 | 2022-05-17 | 青岛海尔特种电冰柜有限公司 | Refrigeration device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN118565128A (en) | 2024-08-30 |
| CN110285629A (en) | 2019-09-27 |
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