CN111692797A - Air-cooled refrigerator - Google Patents
Air-cooled refrigerator Download PDFInfo
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- CN111692797A CN111692797A CN201910181349.2A CN201910181349A CN111692797A CN 111692797 A CN111692797 A CN 111692797A CN 201910181349 A CN201910181349 A CN 201910181349A CN 111692797 A CN111692797 A CN 111692797A
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- air
- freezing
- temperature
- chamber
- duct
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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
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
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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
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
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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
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- 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 an air-cooled refrigerator, comprising: a freezing inner container, the interior of which defines a freezing chamber; the temperature-changing liner is arranged at the lower part of the freezing liner, and a temperature-changing chamber is defined in the temperature-changing liner; the freezing evaporator is arranged in the freezing inner container and is used for providing cold energy for the freezing chamber and the temperature-changing chamber; the first air duct assembly is arranged on the rear wall of the freezing inner container, and an air supply air duct communicated with the freezing evaporator is formed in the first air duct assembly; and the air door assembly is arranged in a foaming layer between the freezing inner container and the variable-temperature inner container, is respectively communicated with the air supply duct and the variable-temperature chamber, and is used for opening or closing the connection between the air supply duct and the variable-temperature chamber. An air door component connected with the first air channel component is arranged in the foaming layer between the freezing inner container and the variable-temperature inner container so as to communicate the variable-temperature chamber with the freezing evaporator, thereby realizing the purpose that the freezing evaporator simultaneously provides cooling capacity for the freezing chamber and the variable-temperature chamber and also solving the problem that the air door occupies a larger installation space.
Description
Technical Field
The invention relates to the field of freezing and refrigerating, in particular to an air-cooled refrigerator.
Background
The refrigerating system of the existing air-cooled refrigerator generally comprises two forms, wherein one form is that a freezing chamber and a temperature-changing chamber are respectively provided with an independent air supply circulating refrigerating system, and the other form utilizes a set of air supply circulating refrigerating system to simultaneously supply air for the freezing chamber and the temperature-changing chamber for refrigeration.
The air-cooled refrigerator which utilizes a set of air supply circulating refrigeration system to supply air for a freezing chamber and a temperature changing chamber simultaneously for refrigeration has the refrigeration effect which is closely related to factors such as an air duct structure, an air door arrangement position and the like. How to optimize and improve the above factors to improve the refrigeration effect of the refrigeration system is a problem to be solved in the field.
Disclosure of Invention
The invention aims to provide an air-cooled refrigerator which has a compact structure and a freezing chamber and a temperature-changing chamber which share a set of air supply circulating refrigeration system.
A further object of the present invention is to provide an air-cooled refrigerator with an easily detachable air door.
In particular, the present invention provides an air-cooled refrigerator comprising: a freezing inner container, the interior of which defines a freezing chamber; the temperature-changing liner is arranged at the lower part of the freezing liner, and a temperature-changing chamber is defined in the temperature-changing liner; the freezing evaporator is arranged in the freezing inner container and is used for providing cold energy for the freezing chamber and the temperature-changing chamber; the first air duct assembly is arranged on the rear wall of the freezing inner container, and an air supply air duct communicated with the freezing evaporator is formed in the first air duct assembly; and the air door assembly is arranged in a foaming layer between the freezing inner container and the variable-temperature inner container, is respectively communicated with the air supply duct and the variable-temperature chamber, and is used for opening or closing the connection between the air supply duct and the variable-temperature chamber.
Optionally, the damper assembly comprises: the air door installation cavity is formed in the foam carrier and is provided with a first installation opening communicated with the air supply duct and a second installation opening communicated with the variable-temperature chamber; and the air door assembly is arranged in the air door installation cavity and comprises an air door for opening and closing the connection between the air supply duct and the variable temperature chamber and an air door motor for driving the air door.
Optionally, the bottom of the freezing inner container is provided with a first air supply outlet connected with the air supply duct; and an air inlet of the air door assembly is arranged in the vertical projection of the first air supply outlet on the foam carrier.
Optionally, the air-cooled refrigerator further comprises: and the second air duct component is arranged on the rear wall of the temperature-changing liner, and a temperature-changing air duct communicated with the temperature-changing chamber is formed in the second air duct component and used for supplying air to the temperature-changing chamber.
Optionally, a second air supply outlet connected with the variable temperature air duct is formed at the top of the variable temperature inner container; the second mounting port is connected with the second air supply port.
Optionally, the foam carrier is formed with positioning structures at the top and bottom thereof respectively, which are matched with the bottom of the freezing liner and the top of the temperature-changing liner, and are used for fixing the position of the foam carrier in the foaming layer.
Optionally, sealing sponges are respectively adhered to the top and bottom surfaces of the foam carrier, and mounting holes are respectively formed in the sealing sponges at positions opposite to the first mounting hole and the second mounting hole; the sealing sponge is matched with the positioning structure to respectively seal gaps between the foam carrier and the bottom of the freezing liner and gaps between the foam carrier and the top of the variable temperature liner.
Optionally, the sealing sponge is further provided with first sealing rings at mounting holes at the top and the bottom of the foam carrier respectively; through the cooperation of sealing sponge and first sealing washer to seal the gap between foam carrier and freezing inner bag bottom and between foam carrier and the alternating temperature inner bag top.
Optionally, the damper assembly further comprises: the second sealing ring is arranged in a gap between the air door assembly and the foam carrier; the third sealing ring is sleeved on the air door motor; and the fourth sealing ring is arranged at the air inlet of the air door assembly.
Optionally, the foam carrier is further formed with a positioning groove at the bottom, and the foam carrier further comprises a terminal foam cover fitted with the positioning groove; the damper assembly also includes a docking terminal mounted in the positioning slot and connected to the damper motor for sending a drive signal to the damper motor.
The air-cooled refrigerator is characterized in that the temperature-changing inner container is arranged at the lower part of the freezing inner container, the freezing evaporator and the first air duct component are arranged on the freezing inner container, and the air door component connected with the first air duct component is arranged in the foaming layer between the freezing inner container and the temperature-changing inner container so as to communicate the temperature-changing chamber with the freezing evaporator, thereby realizing the purpose that the freezing evaporator simultaneously provides cold energy for the freezing chamber and the temperature-changing chamber. The air supply duct formed in the first duct component effectively utilizes the space in the freezing liner, and avoids independently adding an independent duct for the temperature-changing chamber. The air door assembly is arranged between the two inner containers, so that the problem that the air door occupies a large installation space is solved ingeniously, and the compactness of the air-cooled refrigerator is improved integrally.
Furthermore, the air-cooled refrigerator provided by the invention utilizes the foam carrier as a base for installing the air door assembly, so that the installation position of the air door assembly is convenient to fix, and the air door assembly is convenient to directly take out when the air door assembly is possibly maintained in a later period.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is an overall schematic view of an air-cooled refrigerator according to one embodiment of the present invention;
FIG. 2 is a schematic side sectional view of an air-cooled refrigerator according to one embodiment of the present invention;
FIG. 3 is a schematic view of a first air-cooled system portion of an air-cooled refrigerator according to one embodiment of the present invention;
fig. 4 is a partially enlarged view of a first air-cooling system of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of the components of a first duct assembly of an air-cooled refrigerator according to one embodiment of the present invention;
fig. 6 is a schematic view of a wind division portion of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 7 is an exploded view of a first air duct assembly of an air-cooled refrigerator according to one embodiment of the present invention;
fig. 8 is a schematic view of a windshield and a blower fan of an air-cooled refrigerator according to an embodiment of the present invention;
fig. 9 is an exploded view of a windshield of an air-cooled refrigerator according to an embodiment of the present invention;
FIG. 10 is a schematic view of a damper assembly of an air-cooled refrigerator according to one embodiment of the present invention;
FIG. 11 is a schematic sectional view of a damper assembly of an air-cooled refrigerator according to one embodiment of the present invention;
fig. 12 is an exploded view of a damper assembly of an air-cooled refrigerator according to one embodiment of the present invention.
Detailed Description
The present embodiment provides an air-cooled refrigerator 100, and the air-cooled refrigerator 100 may include: a freezing inner container 101, a refrigerating inner container 103, a variable temperature inner container 105, a first air cooling system 110 and a second air cooling system 180.
A freezing chamber 101, the interior of which defines a freezing compartment 102. The freezer compartment 102 has a forward opening and a height that is greater than a length and a width. A refrigerating inner container 103, arranged alongside the freezing inner container 101, which defines a refrigerating compartment 104 therein, the refrigerating compartment 104 having a forward opening and having a height greater than the length and the width. And the temperature-changing inner containers 105 are arranged at the lower parts of the freezing inner container 101 and the refrigerating inner container 103, and internally define a temperature-changing chamber 106. The preservation temperature of the refrigerating chamber 104 can be 2-9 ℃, or can be 4-7 ℃; the storage temperature of the freezing chamber 102 can be-22 to-14 ℃, or can be-20 to 16 ℃. The temperature of the variable temperature compartment 106 typically ranges from-14 ℃ to-22 ℃. The temperature-changing compartment 106 can be adjusted as needed to store appropriate food, or as a fresh-keeping storage compartment. The freezing compartment 102 and the refrigerating compartment 104 are arranged at the top of the temperature-changing compartment 106 side by side, and the width of the temperature-changing compartment 106 is equal to the sum of the freezing compartment 102 and the refrigerating compartment 104, so that food can be stored in the temperature-changing compartment 106 in an enlarged manner, and the problem that the shape of the food stored in the side-by-side refrigerator is limited due to the long and narrow compartment shape is solved. Meanwhile, the temperature of the variable temperature chamber 106 is adjustable, so that the variable temperature chamber can be used as an intermediate buffer chamber for temporarily relieving the pressure used in the freezing chamber 102 or the refrigerating chamber 104.
And the first air cooling system 110 is arranged in the freezing chamber 102 and the temperature-changing chamber 106 and is used for providing cold for the freezing chamber 102 and the temperature-changing chamber 106. And a second air cooling system 180, which is disposed inside the refrigerating compartment 104 and has a separate refrigerating evaporator and a separate refrigerating duct for supplying cooling energy to the refrigerating compartment 104. In this embodiment, the freezing evaporator 111 is used to provide cooling energy to the freezing compartment 102 and the temperature-varying compartment 106 at the same time, so that the number of evaporators of the air-cooled refrigerator 100 can be reduced, and the purpose of reducing the cost can be achieved. Moreover, since there is no need to provide separate air ducts for the freezing compartment 102 and the temperature-varying compartment 106, the air duct layout structure of the air-cooled refrigerator 100 is simplified, and the volume of the refrigerator compartment is effectively increased.
The first air cooling system 110 may include: a freeze evaporator 111, a first air duct assembly 112, a damper assembly 117, a second air duct assembly 118, and a third air duct assembly 125.
And the freezing evaporator 111 is installed inside the freezing liner 101, is arranged in a heat exchange cavity 113 enclosed by the first air duct assembly 112 and the rear wall of the freezing liner 101, and is used for providing cold energy for the freezing chamber 102 and the variable temperature chamber 106. The first air duct assembly 112 is provided with first thermal insulation wool 157 at an outer surface adjacent to the freezing evaporator 111 to prevent condensation from being generated at the surface of the first air duct assembly 112 near the freezing evaporator 111.
And the first air duct assembly 112 is arranged on the rear wall of the freezing inner container 101, and encloses a heat exchange cavity 113 for placing the freezing evaporator 111 together with the rear wall of the freezing inner container 101.
The first air duct assembly 112 has an air supply duct 114 formed therein and communicating with the heat exchange chamber 113, for supplying air to the temperature-varying chamber 106. In addition, the first air duct assembly 112 is further provided with an air supply sub-duct 153, the air supply sub-duct 153 is connected to the air supply duct 114, and the air supply sub-duct 153 is used for distributing the air volume entering the air supply duct 114 from the freezing evaporator 111. The first air duct assembly 112 further has a freezing air duct 127 formed therein to communicate with the heat exchange chamber 113, for supplying air to the freezing compartment 102. In addition, the first air duct assembly 112 is further formed with a freezing air-distributing duct 154, the freezing air-distributing duct 154 is connected to the freezing air duct 127, and the freezing air-distributing duct 154 is used for distributing the air volume entering the freezing air duct 127 from the freezing evaporator 111.
The first air duct assembly 112 may include: a wind-dividing portion 148, a wind-blocking portion 159, and an air channel portion 149.
And an air distributing part 148 provided at the middle of the first air duct assembly 112 and above the freezing evaporator 111, in which an air supply air distributing duct 153 and a freezing air distributing duct 154 are formed to be respectively communicated with the freezing evaporator 111, and which distributes air volumes supplied from the freezing evaporator 111 to the freezing chamber 102 and the variable temperature chamber 106. An elongated space is formed between the branched portion 148 and the rear wall of the freezing inner container 101, and the space communicates with the freezing evaporator 111. The wind dividing part 148 may include a wind dividing case 150 and a blowing fan 155.
The air distribution casing 150 is internally provided with a fan placing cavity 151 and is provided with an air suction opening 152, and the air suction opening 152 is positioned on the surface of the air distribution casing 150 facing the rear wall of the freezing liner 101 and is used for communicating the fan placing cavity 151 with the freezing evaporator 111.
And an air supply fan 155 disposed inside the air dividing portion 148 and installed in the fan installation chamber 151, wherein the air supply fan 155 is communicated with the freezing evaporator 111 and has an air inlet direction facing the air suction opening 152. The blower fan 155 in this embodiment is a centrifugal fan. The centrifugal fan has the advantages of large air supply amount, long air supply distance and the like, and can meet the requirement of supplying air to the freezing chamber 102 and the variable-temperature chamber 106 simultaneously. The wind-dividing portion 148 may further include a foam support 156 formed with a fan mounting groove for placing the wind-dividing housing 150.
An air supply sub-duct 153 and a freezing sub-duct 154 which are respectively communicated with the fan placing cavity 151 are formed in the air distribution casing 150, the air supply sub-duct 153 is connected with the air supply duct 114, and the freezing sub-duct 154 is connected with the freezing duct 127. The number of the freezing air distribution channels 154 is multiple, and at least one of the freezing air distribution channels 154 extends away from the temperature change liner 105, i.e., extends toward the top wall of the freezing liner 101. The air inlet directions of the air supply sub-air passage 153 and the freezing sub-air passage 154 are opposite to the circumferential direction of the air supply fan 155, and the air inlet areas of the air supply sub-air passage 153 and the freezing sub-air passage 154 are different, so that the air volume discharged from the air supply fan 155 respectively enters the air supply sub-air passage 153 and the freezing sub-air passage 154 according to a certain ratio.
The air inlet area of the air supply branch air duct 153 accounts for 20% to 70% of the total air inlet area. Preferably, the proportion may be 30% to 60%. More preferably, the proportion may be 40% to 50%.
The air inlet area of the freezing air distribution duct 154 extending in the direction away from the temperature change liner 105 accounts for 20% to 70% of the total air inlet area. Preferably, the proportion may be 30% to 60%. More preferably, the proportion may be 40% to 50%.
The ratio of the air intake area of the freezing air-distributing duct 154 extending toward the temperature-changing liner 105 to the entire air intake area may be 0% to 10%. Preferably, the proportion may be 2% to 8%. More preferably, the proportion may be 4% to 6%.
The proportion of the air inlet area of each sub-air duct to the total air inlet area is the optimal distribution proportion obtained by a large number of theoretical calculations and experimental verifications of the inventor, and the proportion of the air inlet area of each sub-air duct to the total air inlet area is set, so that the cold quantity distributed among the compartments of the air-cooled refrigerator 100 and in different areas inside the compartments can be optimized, the refrigeration efficiency of the system is improved on the whole, and the effect of saving energy consumption is achieved.
And a wind blocking portion 159 movably disposed on a side of the wind dividing portion 148 opposite to the freezing evaporator 111, wherein at least a portion of the wind blocking portion 159 is inserted into the wind dividing portion 148 to adjust an opening degree of a connection between the freezing wind dividing duct 154 and the freezing evaporator 111. The wind blocking portion 159 may include a shielding plate 160 adapted to a circumferential profile of the air supply fan 155, and when the wind blocking portion 159 is inserted into the wind dividing portion 148, the shielding plate 160 is located at a circumferential outer side of the air supply fan 155 to cut off a connection between the freezing wind dividing duct 154 and the air supply fan 155, that is, the shielding plate 160 seals a wind dividing opening of the freezing wind dividing duct 154.
The shielding plate 160 may shield only a portion of the freezing sub-air ducts 154 or only shield some of the freezing sub-air ducts 154, so as to achieve the purpose of controlling the air outlet position and the air outlet amount. For example, the shielding plate 160 shields a part of the air dividing opening of the freezing air dividing duct 154, so that the air inlet area of the freezing air dividing duct 154 is reduced, thereby achieving the purpose of changing the air inlet amount of the freezing air dividing duct 154. For another example, the shielding plate 160 only shields some of the freezing sub-air ducts 154, so that some of the freezing sub-air ducts 154 in a specific direction can still communicate with the blowing fan 155, and the purpose of controlling the cool air to enter the freezing compartment 102 from a specific position is achieved. In some alternative embodiments, the shielding plate 160 may also shield the air supply branch duct 153, and shield only a few of the plurality of freezing branch ducts 154, so as to individually control the air supply condition of the freezing compartment 102.
In other alternative embodiments, the shielding plate 160 is formed with a notch at a position where the supply air branch passage 153 circumferentially opposes the supply air fan 155, so that the supply air branch passage 153 is still communicated with the freezing evaporator 111 after the shielding plate 160 is inserted into the air branch portion 148. When the temperature-changing compartment 106 needs to be refrigerated and the freezing compartment 102 does not need to be refrigerated, the shielding baffle 160 is inserted into the air dividing part 148 to cut off the connection between the freezing air dividing channel 154 and the air supply fan 155, so that cold energy is prevented from being transmitted to the freezing compartment 102, and the purpose of saving energy consumption is achieved.
The windshield 159 may further include a fixed base plate 161 and a driving base 164.
The fixing base plate 161 may have a disk shape, is in contact with the shielding shutter 160, and has a connection hole 162 having a screw thread on an inner surface, and the fixing base plate 161 further has a sleeve 163, and the sleeve 163 is located on an outer side of the fixing base plate 161 in a circumferential direction and extends toward the blower fan 155.
And a driving base 164 disposed on a side of the wind dividing portion 148 opposite to the freezing evaporator 111, and provided with a screw 165 penetrating the connection hole 162 and matching therewith in a direction toward the blowing fan 155. And the driving base 164 is further formed with a stopper column 167 extending toward the branched portion 148, and the stopper column 167 penetrates the sleeve 163. The driving base 164 is further provided with a rotating shaft motor 166 for driving the screw rod 165 to rotate, so as to drive the fixing base plate 161 to move on the screw rod 165 along a direction parallel to the axial direction of the limiting column 167.
When the fixed bottom plate 161 moves to the end of the screw 165 near the air dividing portion 148, the shielding baffle 160 is inserted into the air dividing portion 148 and completely cuts off the connection between the freezing air dividing duct 154 and the air supply fan 155, and at this time, cold air cannot enter the freezing air dividing duct 154, that is, at this time, the freezing evaporator 111 does not refrigerate the freezing compartment 102. When the fixed bottom plate 161 moves to the end of the screw 165 far away from the air dividing portion 148, the shielding baffle 160 is drawn out from the air dividing portion 148 and the connection between the freezing air dividing duct 154 and the air supply fan 155 is completely opened, and at this time, the cold air can enter the freezing air dividing duct 154, that is, at this time, the freezing evaporator 111 cools the freezing compartment 102. When the fixing base plate 161 moves to between both ends of the screw 165, the shielding baffle 160 is inserted into the air dividing portion 148 and cuts off the connection portion between the freezing air dividing duct 154 and the blower fan 155, and at this time, the cool air can enter the freezing air dividing duct 154, but the air intake amount of the freezing air dividing duct 154 is smaller than that when the connection between the freezing air dividing duct 154 and the blower fan 155 is fully opened.
And an air duct portion 149 connected to the air dividing portion 148, in which an air supply duct 114 and a freezing air duct 127 respectively communicating with the air dividing portion 148 are formed, the air supply duct 114 is connected to the air supply dividing duct 153, the freezing air duct 127 is connected to the freezing air dividing duct 154, the air supply duct 114 is configured to supply air to the temperature-variable compartment 106, and the freezing air duct 127 is configured to supply air to the freezing compartment 102. The air supply duct 114 extends from the air dividing portion 148 toward the temperature varying inner container 105, i.e., toward the bottom of the freezing inner container 101, and is connected to a first air supply outlet 115 formed in the bottom of the freezing inner container 101. The air channel portion 149 is provided with a second insulation wool 158 at a side close to the freezing compartment 102 to prevent condensation from being generated on the surface of the air channel portion 149.
The number of the freezing air ducts 127 can be multiple, so that the cool air fed into the freezing compartment 102 is uniformly distributed, wherein at least one freezing air duct 127 extending away from the temperature-changing liner 105 is formed in the first air duct assembly 112. The provision of the freezing air duct 127 extending away from the temperature-changing liner 105 enables the cold air to enter the freezing compartment 102 from a higher position, so that the cold air and the food can be subjected to sufficient heat exchange, thereby improving the cooling efficiency.
The first air duct assembly 112 further defines a plurality of cooling air supply outlets 128 adapted to the freezing air duct 127, and the plurality of cooling air supply outlets 128 are uniformly distributed on the first air duct assembly 112. When there are a plurality of freezing air ducts 127, each freezing air duct 127 includes at least one cooling air supply outlet 128.
The first air duct assembly 112 further has a plurality of first freezing air return openings 129 formed at the bottom thereof for communicating the freezing compartment 102 with the heat exchange cavity 113. The air after heat exchange with the food returns to the heat exchange cavity 113 from the first freezing air return opening 129 to exchange heat with the freezing evaporator 111, so as to perform circulating refrigeration on the freezing compartment 102.
And an air door assembly 117 installed in the foaming layer between the freezing inner container 101 and the temperature-varying inner container 105, connected to a first air supply outlet 115 formed at the bottom of the freezing inner container 101 and a second air supply outlet 116 formed at the top of the temperature-varying inner container 105, and respectively communicated with the air supply duct 114 and the temperature-varying chamber 106, for opening or closing the connection between the air supply duct 114 and the temperature-varying chamber 106. The connection between the variable temperature compartment 106 and the freezing evaporator 111 is controlled to be opened and closed by the damper unit 117, and the connection between the freezing compartment 102 and the freezing evaporator 111 is controlled to be opened and closed by the damper unit 159 in the first air duct unit 112, so that the independent air blowing effect of the freezing compartment 102 and the variable temperature compartment 106 can be achieved when the freezing evaporator 111 simultaneously supplies cooling energy to the freezing compartment 102 and the variable temperature compartment 106. The damper assembly 117 may include: a foam carrier 130, a damper assembly 131, and a docking terminal 146.
The foam carrier 130 is installed in the foaming layer between the freezing inner container 101 and the variable temperature inner container 105, a damper installation cavity 132 for installing the damper assembly 131 is formed in the foam carrier, and a first installation opening 133 communicated with the air supply duct 114 and a second installation opening 134 communicated with the variable temperature chamber 106 are formed in the damper installation cavity 132. The first mounting port 133 is connected to the first air supply port 115, and the second mounting port 134 is connected to the second air supply port 116. The foam carrier 130 is also formed with detents 144 at the bottom, and the foam carrier 130 may also include a terminal foam cover 145 that fits into the detents 144. Since the damper assembly 117 is integrally installed in the foam layer, the foam carrier 130 is used as a carrier for mounting the damper assembly 131 and the connection terminal 146, so that the mounting position of the damper assembly 131 and the connection terminal 146 can be conveniently fixed.
The foam carrier 130 is formed with positioning structures 137 at the top and bottom thereof respectively, which are matched with the bottom of the freezing inner container 101 and the top of the temperature-changing inner container 105, and used for fixing the position of the foam carrier 130 in the foaming layer. In addition, sealing sponges 138 are respectively adhered to the top and bottom surfaces of the foam carrier 130, and mounting holes 139 are respectively opened in the sealing sponges 138 at positions opposite to the first mounting hole 133 and the second mounting hole 134. The sealing sponge 138 is matched with the positioning structure 137 to seal gaps between the foam carrier 130 and the bottom of the freezing liner 101 and between the foam carrier 130 and the top of the temperature-changing liner 105 respectively.
The sealing sponge 138 is further provided with first sealing rings 140 at mounting holes 139 at the top and bottom of the foam carrier 130, respectively. The sealing sponge 138 is matched with the first sealing ring 140 to seal the gaps between the foam carrier 130 and the bottom of the freezing liner 101 and between the foam carrier 130 and the top of the temperature-changing liner 105.
The damper assembly 131 is installed in the damper installation cavity 132, and includes a damper 135 for opening and closing the connection between the supply air duct 114 and the variable temperature chamber 106, and a damper motor 136 for driving the damper 135. The air inlet 147 of the damper assembly 131 is installed in the vertical projection of the first air supply outlet 115 on the foam carrier 130, so that the air supply cross-sectional area of the damper assembly 131 is maximized, in addition, the water accumulated at the damper 135 can be prevented from freezing, and meanwhile, when the damper assembly 131 needs to be maintained in a later period, the damper assembly 131 can be directly taken out through the first air supply outlet 115.
The damper assembly 117 may also include a second seal 141 disposed in the gap between the damper assembly 131 and the foam carrier 130. The third sealing ring 142 is sleeved on the air door motor 136 to play a role in sealing and damping the air door motor 136. And a fourth sealing ring 143 disposed at the inlet 147 of the damper assembly 131 to seal the inlet 147 of the damper assembly 131.
A docking terminal 146, the docking terminal 146 being mounted in the positioning slot 144 and connected to the damper motor 136 to send a drive signal to the damper motor 136. Mounting the docking terminals 146 in the detents 144 allows the docking terminals 146 to be docked in place with the damper assembly 131 when the cabinet is pre-assembled and facilitates removal of the docking terminals 146 for later servicing when servicing is required.
And a second air duct assembly 118 disposed on the rear wall of the temperature-varying inner container 105, in which a temperature-varying air duct 119 communicating with the temperature-varying chamber 106 is formed, and the temperature-varying air duct 119 is connected to the second air supply outlet 116 to supply air to the temperature-varying chamber 106. The second air duct assembly 118 is further provided with a plurality of variable temperature air supply outlets 120 adapted to the variable temperature air duct 119, and the plurality of variable temperature air supply outlets 120 are uniformly distributed on the second air duct assembly 118.
The temperature-changing liner 105 is further provided with a first temperature-changing air return opening 121 in the rear wall, the second air duct assembly 118 is further provided with a temperature-changing air return cover plate 122 at the bottom, the temperature-changing air return cover plate 122 and the rear wall of the temperature-changing liner 105 jointly enclose a first air return duct 123, and the first air return duct 123 is communicated with the first temperature-changing air return opening 121.
And a third air duct assembly 125 installed at the rear of the temperature-changing liner 105 and the freezing liner 101, and having a second air return duct 126 formed therein. The freezing inner container 101 is further provided with a second variable temperature air return opening 124 at the bottom of the rear wall, and one end of a second air return duct 126 is connected with the first variable temperature air return opening 121, and the other end is connected with the second variable temperature air return opening 124, so as to communicate the variable temperature compartment 106 with the freezing evaporator 111. The air after heat exchange with the food returns to the heat exchange cavity 113 from the second temperature-changing air return opening 124 to exchange heat with the freezing evaporator 111, so as to perform circulating refrigeration on the temperature-changing compartment 106.
When the variable temperature compartment 106 needs to be cooled alone, the air supply control method and the air path circulation path of the cooling system of the air-cooled refrigerator 100 are as follows:
the method for controlling the supply of the temperature-variable compartment 106 with the independent cooling includes:
the rotating shaft motor 166 drives the driving screw rod 165 to rotate so as to drive the fixed bottom plate 161 to move to one end of the screw rod 165 close to the air dividing part 148, the shielding baffle 160 is inserted into the air dividing part 148 and completely cuts off the connection between the freezing air dividing channel 154 and the air supply fan 155 so as to close the communication between the freezing chamber 102 and the freezing evaporator 111; the damper assembly 117 is opened to open communication between the temperature swing compartment 106 and the freeze evaporator 111.
The air path circulation path for cooling the variable temperature compartment 106 is:
after the heat exchange between the air and the freezing evaporator 111 in the heat exchange chamber 113, the air is sucked into the air distributing part 148 by the air supply fan 155 (centrifugal fan); the air is discharged to an air supply sub-air passage 153 from an air supply fan 155 in the circumferential direction, enters an air supply air passage 114 connected with the air supply sub-air passage 153 from the air supply sub-air passage 153, enters a temperature change air passage 119 through an air door assembly 117 arranged between the freezing liner 101 and the temperature change liner 105, and finally enters the temperature change chamber 106 through a temperature change air supply outlet 120 formed in the temperature change air passage 119; the air after the heat exchange between the temperature changing compartment 106 and the food is completed returns to the heat exchange cavity 113 through the first air return duct 123 and the second air return duct 126, exchanges heat with the freezing evaporator 111, and enters the next cycle.
When the freezing compartment 102 needs to be cooled alone, the air-cooling refrigerator 100 includes the following air supply control method and air path circulation path:
the method for controlling the air supply for cooling the freezing compartment 102 alone includes:
the rotating shaft motor 166 drives the driving screw rod 165 to rotate so as to drive the fixed bottom plate 161 to move to one end of the screw rod 165 far away from the air distribution part 148, the shielding baffle 160 is drawn out from the air distribution part 148 and the connection between the freezing air distribution channel 154 and the air supply fan 155 is completely opened, so that the freezing chamber 102 is communicated with the freezing evaporator 111; the damper assembly 117 is closed to close the communication between the temperature swing compartment 106 and the freeze evaporator 111.
The air path circulation path for cooling the freezer compartment 102 is:
after the heat exchange between the air and the freezing evaporator 111 in the heat exchange chamber 113, the air is sucked into the air distributing part 148 by the air supply fan 155 (centrifugal fan); is discharged to the freezing air distribution duct 154 from the air supply fan 155 in the circumferential direction, enters the freezing air distribution duct 127 connected thereto from the freezing air distribution duct 154, and then enters the freezing compartment 102 through the cooling air supply opening 128 provided in the freezing air distribution duct 127; the air after the heat exchange between the freezing compartment 102 and the food returns to the heat exchange cavity 113 through the first freezing air return opening 129 arranged at the bottom of the first air duct assembly 112, exchanges heat with the freezing evaporator 111, and enters the next cycle.
When the variable temperature compartment 106 and the freezing compartment 102 need to be cooled simultaneously, the air supply control method and the air path circulation path of the cooling system of the air-cooled refrigerator 100 are as follows:
the air supply control method for cooling the variable temperature compartment 106 and the freezing compartment 102 simultaneously comprises the following steps:
the rotating shaft motor 166 drives the driving screw rod 165 to rotate so as to drive the fixed bottom plate 161 to move to one end of the screw rod 165 far away from the air distribution part 148, the shielding baffle is drawn out from the air distribution part 160, and the connection between the freezing air distribution channel 154 and the air supply fan 155 is completely opened, so that the freezing chamber 102 is communicated with the freezing evaporator 111; the damper assembly 117 is opened to open communication between the temperature swing compartment 106 and the freeze evaporator 111.
The method for adjusting the air volume distribution of the variable temperature chamber 106 and the freezing chamber 102 comprises the following steps:
the proportion of the air inlet area of the air supply air distribution duct 153 and the air inlet area of the freezing air distribution duct 154 to the whole air inlet area is preset so as to fix the air quantity distribution proportion of each chamber; the rotating shaft motor 166 drives the driving screw rod 165 to rotate so as to drive the fixed bottom plate 161 to move towards one end of the screw rod 165 close to the air distribution part 148, and the connecting part between the freezing air distribution duct 154 and the air supply fan 155 is cut off by adjusting the degree of inserting the shielding baffle 160 into the air distribution part 148, so that the proportion of the air supply air distribution duct 153 and the air supply area of the freezing air distribution duct 154 to the whole air supply area is adjusted, and the purpose of adjusting the air distribution of the variable temperature chamber 106 and the freezing chamber 102 is achieved.
The air path circulation path for cooling the variable temperature compartment 106 is:
after the heat exchange between the air and the freezing evaporator 111 in the heat exchange chamber 113, the air is sucked into the air distributing part 148 by the air supply fan 155 (centrifugal fan); the air is discharged to an air supply sub-air passage 153 from an air supply fan 155 in the circumferential direction, enters an air supply air passage 114 connected with the air supply sub-air passage 153 from the air supply sub-air passage 153, enters a temperature change air passage 119 through an air door assembly 117 arranged between the freezing liner 101 and the temperature change liner 105, and finally enters the temperature change chamber 106 through a temperature change air supply outlet 120 formed in the temperature change air passage 119; the air after the heat exchange between the temperature changing compartment 106 and the food is completed returns to the heat exchange cavity 113 through the first air return duct 123 and the second air return duct 126, exchanges heat with the freezing evaporator 111, and enters the next cycle.
The air path circulation path for cooling the freezer compartment 102 is:
after the heat exchange between the air and the freezing evaporator 111 in the heat exchange chamber 113, the air is sucked into the air distributing part 148 by the air supply fan 155 (centrifugal fan); is discharged to the freezing air distribution duct 154 from the air supply fan 155 in the circumferential direction, enters the freezing air distribution duct 127 connected thereto from the freezing air distribution duct 154, and then enters the freezing compartment 102 through the cooling air supply opening 128 provided in the freezing air distribution duct 127; the air after the heat exchange between the freezing compartment 102 and the food returns to the heat exchange cavity 113 through the first freezing air return opening 129 arranged at the bottom of the first air duct assembly 112, exchanges heat with the freezing evaporator 111, and enters the next cycle.
In the air-cooled refrigerator 100 of the present embodiment, the temperature-variable liner 105 is disposed at the lower portion of the freezing liner 101, the freezing evaporator 111 and the first air duct assembly 112 are installed in the freezing liner 101, and the damper assembly 117 connected to the first air duct assembly 112 is installed in the foaming layer between the freezing liner 101 and the temperature-variable liner 105 to communicate the temperature-variable compartment 106 with the freezing evaporator 111, so that the purpose of providing cooling energy to the freezing compartment 102 and the temperature-variable compartment 106 by the freezing evaporator 111 is achieved. The formation of the supply air duct 114 in the first air duct assembly 112 effectively utilizes the space in the freezing liner 101, and avoids the need to separately provide a separate air duct for the temperature-varying chamber 106. The air door assembly 117 is arranged between the two inner containers, so that the problem that the air door occupies a large installation space is solved skillfully, and the compactness of the air-cooled refrigerator 100 is improved integrally.
Further, the air-cooled refrigerator 100 of the present embodiment utilizes the foam carrier 130 as a base for installing the damper assembly 131, which not only facilitates fixing the installation position of the damper assembly 131, but also facilitates directly taking out the damper assembly 131 when the damper assembly 131 may be maintained at a later stage.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air-cooled refrigerator comprising:
a freezing inner container, the interior of which defines a freezing chamber;
the temperature-changing liner is arranged at the lower part of the freezing liner, and a temperature-changing chamber is defined in the temperature-changing liner;
the freezing evaporator is arranged in the freezing inner container and is used for providing cold energy for the freezing chamber and the temperature-changing chamber;
a first air duct assembly which is arranged on the rear wall of the freezing inner container and is internally provided with an air supply duct communicated with the freezing evaporator; and
and the air door assembly is arranged in a foaming layer between the freezing inner container and the variable-temperature inner container, is respectively communicated with the air supply duct and the variable-temperature chamber, and is used for opening or closing the connection between the air supply duct and the variable-temperature chamber.
2. The air-cooled refrigerator of claim 1, wherein the damper assembly comprises:
the air door installation cavity is formed in the foam carrier and is provided with a first installation opening communicated with the air supply duct and a second installation opening communicated with the variable-temperature chamber;
and the air door assembly is arranged in the air door installation cavity and comprises an air door for opening and closing the air supply air channel and the variable-temperature chamber, and an air door motor for driving the air door.
3. The air-cooled refrigerator of claim 2,
the bottom of the freezing inner container is provided with a first air supply outlet connected with the air supply duct;
and an air inlet of the air door assembly is arranged in the vertical projection of the first air supply outlet on the foam carrier.
4. The air-cooled refrigerator of claim 2, wherein the air-cooled refrigerator further comprises:
and the second air duct component is arranged on the rear wall of the temperature-changing liner, and a temperature-changing air duct communicated with the temperature-changing chamber is formed in the second air duct component and used for supplying air to the temperature-changing chamber.
5. The air-cooled refrigerator of claim 4,
the top of the temperature-changing inner container is provided with a second air supply outlet connected with the temperature-changing air channel;
the second mounting port is connected with the second air supply port.
6. The air-cooled refrigerator of claim 2,
and the top and the bottom of the foam carrier are respectively provided with a positioning structure matched with the bottom of the freezing liner and the top of the temperature-changing liner, and the positioning structures are used for fixing the position of the foam carrier in the foaming layer.
7. The air-cooled refrigerator of claim 6,
sealing sponges are respectively adhered to the top surface and the bottom surface of the foam carrier, and mounting holes are respectively formed in the positions, opposite to the first mounting hole and the second mounting hole, of the sealing sponges;
the sealing sponge is matched with the positioning structure to seal gaps between the foam carrier and the bottom of the freezing liner and between the foam carrier and the top of the variable-temperature liner respectively.
8. The air-cooled refrigerator of claim 7,
the sealing sponge is also provided with first sealing rings at the mounting holes at the top and the bottom of the foam carrier respectively;
and gaps between the foam carrier and the bottom of the freezing liner and between the foam carrier and the top of the variable-temperature liner are sealed through the matching of the sealing sponge and the first sealing ring.
9. The air-cooled refrigerator of claim 3, wherein the damper assembly further comprises:
the second sealing ring is arranged in a gap between the air door assembly and the foam carrier;
the third sealing ring is sleeved on the air door motor;
and the fourth sealing ring is arranged at the air inlet of the air door assembly.
10. The air-cooled refrigerator of claim 2,
the foam carrier is also provided with a positioning groove at the bottom, and the foam carrier also comprises a terminal foam cover matched with the positioning groove;
the air door component further comprises a butt joint terminal, and the butt joint terminal is installed in the positioning groove and connected with the air door motor so as to send a driving signal to the air door motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181349.2A CN111692797A (en) | 2019-03-11 | 2019-03-11 | Air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181349.2A CN111692797A (en) | 2019-03-11 | 2019-03-11 | Air-cooled refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692797A true CN111692797A (en) | 2020-09-22 |
Family
ID=72474726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910181349.2A Pending CN111692797A (en) | 2019-03-11 | 2019-03-11 | Air-cooled refrigerator |
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| Country | Link |
|---|---|
| CN (1) | CN111692797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097445A (en) * | 2020-09-15 | 2020-12-18 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
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Application publication date: 20200922 |