CN108870830A - Refrigerator and its single system double suction air duct - Google Patents
Refrigerator and its single system double suction air duct Download PDFInfo
- Publication number
- CN108870830A CN108870830A CN201710322717.1A CN201710322717A CN108870830A CN 108870830 A CN108870830 A CN 108870830A CN 201710322717 A CN201710322717 A CN 201710322717A CN 108870830 A CN108870830 A CN 108870830A
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- Prior art keywords
- refrigeration compartment
- air
- air duct
- double suction
- refrigerator
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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
- F25D17/06—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
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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 present invention relates to refrigerator art, a kind of refrigerator and its single system double suction air duct are disclosed comprising:Air duct panel is located at the side of the first refrigeration compartment, to limit heat exchanger chamber with rear wall;Double suction type centrifugal wind motor is located in heat exchanger chamber, and is set in the heat exchanger chamber there are two air inlet, and one on the panel of air duct, is connected to the first refrigeration compartment, another is connected on the rear wall of the first refrigeration compartment with the second refrigeration compartment;Cyclic annular evaporator is covered on the external peripheral surface of centrifugal blower;First refrigeration compartment air outlet is located on the air duct panel, and is connected to the circumferentially external space of cyclic annular evaporator;Second refrigeration compartment air supply tube is connected to the circumferentially external space of cyclic annular evaporator and is extended down to the second refrigeration compartment, to blow to the second refrigeration compartment.Refrigerator and its single system double suction air duct provided by the invention improves volumetric efficiency, heat exchange efficiency and the refrigerating capacity of refrigerator, and reduces cost.
Description
Technical field
The present invention relates to refrigerator arts, more particularly to a kind of refrigerator single system double suction air duct, and comprising above-mentioned
The refrigerator in refrigerator single system double suction air duct.
Background technique
Existing air cooling system includes the air duct for being set to inner container of icebox rear portion and the case for abutting against air duct rear portion or refrigerator
The evaporator fin at body rear portion, air duct have the return air inlet and air outlet being connected to liner cavity, and finned evaporator is for cold
But the air-flow in air duct, above-mentioned air duct are additionally provided with fan.Wind pressure is provided when fan rotation, and wind is from freezing chamber return air inlet and cold
Pipeline and fin that room backwind tube passes through evaporator fin are hidden, with evaporator heat exchange, is divided into air duct cavity, then by air duct cavity
Match, some enters freezing chamber, and some enters refrigerating chamber.However, this air cooling system occupied space is big, and air duct must have air duct
Back shroud, at high cost, air duct process is complicated;In addition, air circulation low efficiency, noise are big.
Summary of the invention
(1) technical problems to be solved
It is an object of the present invention to provide a kind of refrigerator single system double suction air ducts, which can
The volumetric efficiency, air duct air circulation efficiency and refrigeration performance in wind cooling refrigerator air duct are effectively improved, and reduces production cost.
It is a further object to provide a kind of refrigerator comprising above-mentioned refrigerator single system double suction air duct, the refrigerator energy
The volumetric efficiency, air duct air circulation efficiency and refrigeration performance in wind cooling refrigerator air duct are enough effectively improved, and reduces and is produced into
This.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of refrigerator single system double suction air duct, the refrigerator includes
First refrigeration compartment and the second refrigeration compartment, second refrigeration compartment are equipped with the second refrigeration compartment return air inlet comprising:
The side of the first refrigeration compartment is arranged in air duct panel, the air duct panel, with first refrigeration compartment
Rear wall limits heat exchanger chamber;
Double suction type centrifugal wind motor, the Double suction type centrifugal wind motor is arranged in the heat exchanger chamber, and the heat exchanger chamber
It is provided with air inlet corresponding with the Double suction type centrifugal wind motor, the air inlet includes the first air inlet and the second air inlet
Mouthful, first air inlet is arranged on the air duct panel, and first refrigeration compartment is arranged in second air inlet
On rear wall, first air inlet is connected to first refrigeration compartment, between second air inlet and second refrigeration
Room connection;
Cyclic annular evaporator, the ring-type evaporator are arranged in the heat exchanger chamber and are covered on the double-suction type centrifugation wind
The external peripheral surface of machine;
First refrigeration compartment air outlet, the first refrigeration compartment air outlet are arranged on the air duct panel, and with institute
State the circumferentially external space connection of cyclic annular evaporator;
Second refrigeration compartment air supply tube, the circumferentially external sky of the second refrigeration compartment air supply tube and the cyclic annular evaporator
Between be connected to and extend to the second refrigeration compartment with to second refrigeration compartment blow.
Wherein, first refrigeration compartment is freezing chamber, and second refrigeration compartment is refrigerating chamber.
Wherein, the Double suction type centrifugal wind motor includes multiple flabellums, the terminal pad for being used to support multiple flabellums, described
Terminal pad is located at the center of the flabellum short transverse.
Wherein, first air inlet is additionally provided with the air door for adjusting the first air inlet openings of sizes.
Wherein, the air door is rotary fan-shaped grille shutter or parallel-moving type grille shutter.
It wherein, further include the second refrigeration compartment backwind tube, one end of the second refrigeration compartment backwind tube and described second
The connection of refrigeration compartment return air inlet, the other end of the second refrigeration compartment backwind tube are connected to second air inlet.
It wherein, further include the electric flap being arranged in the second refrigeration compartment backwind tube.
It wherein, further include the electric flap being arranged in the second refrigeration compartment air supply tube.
Wherein, the quantity of the first refrigeration compartment air outlet is multiple, and multiple first refrigeration compartment air outlets
Scattering device is around the air duct panel.
The invention also discloses a kind of refrigerators comprising refrigerator single system double suction air duct as described above.
(3) beneficial effect
Refrigerator and its single system double suction air duct provided by the invention is due to by cyclic annular evaporator, Double suction type centrifugal wind motor set
To inside a heat exchanger chamber, the volumetric efficiency of refrigerator is effectively increased, wind radially blows out from Double suction type centrifugal wind motor, directly passes through
It crosses cyclic annular evaporator and then is blown out by air outlet, wind speed is fast in heat transfer process, and heat exchange efficiency is high;And improve air circulation effect
Rate and refrigerating capacity;Further, since air duct panel and refrigerator rear wall form heat exchanger chamber, back shroud is eliminated, therefore reduce
Cost.Further, by being used to adjust the air door of the first air inlet size in the setting of the first air inlet, so that the single system
Double suction air duct can be realized the purpose of defrost, so as to reduce or cancel electric heating, reduce power consumption.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the explosion of a preferred embodiment in refrigerator single system double suction air duct according to the present invention;
Fig. 2 is schematic front view of the single system wind cooling refrigerator after removing front panel in Fig. 1;
Fig. 3 is the schematic cross-sectional view of the A-A along Fig. 2;
Fig. 4 is schematic rear view of the single system wind cooling refrigerator after removing backboard in 1;
Fig. 5 is the structural schematic diagram of the Double suction type centrifugal wind motor in the refrigerator single system double suction air duct in Fig. 1;
Fig. 6 is the bottom view of the Double suction type centrifugal wind motor in Fig. 5;
Fig. 7 is the structural schematic diagram of the air duct panel in the refrigerator single system double suction air duct in Fig. 1.
In figure, 1:First refrigeration compartment;2:Second refrigeration compartment;3:Air duct panel;4:Double suction type centrifugal wind motor;5:First
Air inlet;6:Second refrigeration compartment air supply tube;7:Second refrigeration compartment backwind tube;8:Cyclic annular evaporator;9:Electric flap;10:
Second refrigeration compartment air outlet;11:Second refrigeration compartment return air inlet;12:First refrigeration compartment air outlet;13:Second air inlet;
14:Motor;15:Terminal pad;16:Flabellum;17:Air door.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Herein, term " basic " covers the value in " ± 10% " range of represented value;Term " on ", "lower" are not
It is intended to limit specific orientation, but for being illustrated in conjunction with attached drawing.
Fig. 1 to Fig. 4 shows an a kind of preferred embodiment in refrigerator single system double suction air duct according to the present invention.The ice
Case includes two refrigeration compartments:It is used as the first refrigeration compartment 1 of freezing chamber below refrigerator and is located above refrigerator as cold
The second refrigeration compartment 2 of room is hidden, which is equipped with the second refrigeration compartment return air inlet 11.Wherein, the refrigerator single system
Double suction air duct includes:The side of the first refrigeration compartment 1 is arranged in air duct panel 3, the air duct panel 3, with the first refrigeration compartment 1
Rear wall limit heat exchanger chamber;Double suction type centrifugal wind motor 4, which is arranged in heat exchanger chamber, and changes
Hot cavity is provided with air inlet corresponding with Double suction type centrifugal wind motor 4, which includes the first air inlet 5 and the second air inlet
Mouth 13, wherein the first air inlet 5 is arranged at the center of air duct panel 3, the first refrigeration compartment 1 is arranged in the second air inlet 13
On rear wall, and the first air inlet 5 is connected to the first refrigeration compartment 1, and the second air inlet 13 is connected to the second refrigeration compartment 2;Ring
Shape evaporator 8, the ring-type evaporator 8 are arranged in heat exchanger chamber and are covered on the external peripheral surface of Double suction type centrifugal wind motor 4, with
The cold wind for being provided to the first refrigeration compartment 1 and the second refrigeration compartment 2 is generated in heat exchanger chamber;First refrigeration compartment outlet air
Mouth 12, the first refrigeration compartment air outlet 12 are arranged on air duct panel 3, and connect with the circumferentially external space of cyclic annular evaporator 8
It passes to and send the cryogenic gas after the heat exchange of cyclic annular evaporator 8 to the first refrigeration compartment 1;Second refrigeration compartment air supply tube 6, this
Two refrigeration compartment air supply tubes 6 are connected to the circumferentially external space of cyclic annular evaporator 8 and extend to the second refrigeration compartment 2 with to second
Refrigeration compartment 2 is blown.
The refrigerator single system double suction air duct is by being arranged a heat exchanger chamber in the side of the first refrigeration compartment 1, and at this
Setting double-suction type is centrifuged extension set 4 and is covered on the cyclic annular evaporator 8 of double-suction type centrifugation 4 outer surface of extension set in heat exchanger chamber,
When double-suction type is centrifuged extension set 4 in its motor 14 when being rotated by, the axial centre position of Double suction type centrifugal wind motor 4 forms negative
Air is sucked the entrance that double-suction type is centrifuged extension set 4, double-suction type centrifugation by the first air inlet 5 and the second air inlet 13 by pressure area
The flabellum 16 of extension set 4 does work, and air is radially thrown away and by cyclic annular evaporator 8.Since cyclic annular 8 temperature of evaporator is extremely low, warp
Crossing after cyclic annular evaporator 8 exchanges heat becomes cryogenic gas.Cryogenic gas is more and more, gradually fills up heat exchanger chamber, forms higher-pressure region
Domain.And the suction of air is formd in the first refrigeration compartment 1 and in the second refrigeration compartment 2 because of double-suction type centrifugation extension set 4 negative
Pressure area, thus air can by air duct panel 3 the first refrigeration compartment air outlet 12 and the second refrigeration compartment air supply tube 6 be blown into respectively
First refrigeration compartment 1 and the second refrigeration compartment 2.The second air inlet is flowed to again later from the heat exchange of the cold air of the second refrigeration compartment 2
Mouth 13;It directly flows into from the first air inlet 5 on air duct panel 3 after the air heat-exchange of first refrigeration compartment 1, repeatedly, makes
First refrigeration compartment 1 and the second refrigeration compartment 2 are always maintained at the low temperature environment of needs.Refrigerator single system double suction provided by the invention
Air duct is due to effectively increasing refrigerator for inside cyclic annular evaporator 8, the set a to heat exchanger chamber of Double suction type centrifugal wind motor 4
Volumetric efficiency, wind are directly over cyclic annular evaporator 8 and then are blown out by air outlet, exchanged heat from the radial blowout of Double suction type centrifugal wind motor 4
Wind speed is fast in the process, and heat exchange efficiency is high;And improve air circulation efficiency and refrigerating capacity;Further, since 3 He of air duct panel
Refrigerator rear wall forms heat exchanger chamber, eliminates back shroud, therefore reduce costs.
In this embodiment, the first refrigeration compartment 1 is freezing chamber, and the indoor set temperature range of the freezing for example can be with
It is -16 DEG C to -24 DEG C;Second refrigeration compartment 2 is refrigerating chamber, and the indoor set temperature range of the refrigeration for example can be 2 DEG C to 8
℃.Although the first refrigeration compartment 1 shown in this embodiment is used as freezing chamber, the second refrigeration compartment 2 is used as refrigerating chamber, at this
In some other embodiment of invention, the first refrigeration compartment 1 or refrigerating chamber, the second refrigeration compartment 2 may be freezing
Room.In addition, those skilled in the art is it will also be understood that although the air duct panel 3 shown in this embodiment is arranged in
In the first refrigeration compartment 1 below refrigerator, it is being located at it will be understood by those of skill in the art that air duct panel 3 also can be set
In the second refrigeration compartment 2 above refrigerator, it is preferably provided at the refrigeration chamber as freezing chamber.
Fig. 5 and Fig. 6 shows a preferred embodiment of the Double suction type centrifugal wind motor 4 in refrigerator single system double suction air duct.Such as
Shown in figure, which includes multiple flabellums 16, the terminal pad 15 for being used to support multiple flabellums, the terminal pad 15
Positioned at the center of 16 short transverse of flabellum, to guarantee that terminal pad 15 will not stop the air inlet of axial either direction.
In addition, as shown in fig. 7, the first air inlet 5 at 3 center of air duct panel is additionally provided with for adjusting the first air inlet
The air door 17 of 5 sizes of mouth.Due to having cyclic annular evaporator 8 in the first refrigeration compartment 1, temperature is lower, generally below zero degree.Second system
The general temperature of cold compartment 2 is higher, is higher than zero degree.When cooling, frosting is easy on cyclic annular evaporator 8, when the first refrigeration compartment 1 arrives
Up to required temperature, and when the second refrigeration compartment 2 needs continue refrigeration, first air inlet 5 can be shut by air door 17, due to not
Can the air draught out of first refrigeration compartment 1, therefore when air enters a certain amount of in the first refrigeration compartment 1, cannot be blown again due to pressure height
Enter air.Air can only be exchanged heat by the air-supply of the second refrigeration compartment 2 and this flow channels of return air, and the second refrigeration compartment 2
Temperature is higher than zero degree, then the air flowing of the second refrigeration compartment 2 can go the frost layer on cyclic annular 8 surface of evaporator to change, and frost
Melting layer has taken away heat, and can keep the low temperature of the second refrigeration compartment 2.Due to such defrosting control mode, it is possible to reduce
The frequency of electrochemical cream, or simply cancel electrochemical cream, greatly reduce the power consumption of refrigerator.
Specifically, as shown in fig. 7, in this embodiment, air door 17 is using rotary fan-shaped grille shutter, the rotary fan
Shape grille shutter includes the fan-shaped grid that two overlappings of the first air inlet 5 are arranged in, wherein the size of the first air inlet 5 passes through
The angle of the fan-shaped grid of the two overlappings is controlled to realize.It should be noted that in some other embodiment of the invention, it should
Parallel-moving type grille shutter can be used in air door 17.
Preferably, electric flap 9 is set in the second refrigeration compartment air supply tube 6, according to the temperature in the second refrigeration compartment 2
Whether degree reaches set temperature and is automatically closed or opens.When the temperature in the second refrigeration compartment 2 reaches target temperature, electronic wind
Door 9 is closed;When temperature is higher than the maximum permissible temperature of setting after the heating of the second refrigeration compartment 2, electric flap 9 is opened again, after
Continue and blow toward the second refrigeration compartment 2, in this way, the intake in the second refrigeration compartment 2 not only can be effectively controlled, but also can realize the
Efficient temperature control in two refrigeration compartments 2.
Specifically, the second refrigeration compartment air supply tube 6 goes out in position the second refrigeration compartment of setting of corresponding second refrigeration compartment 2
Air port 10 is blown by the second refrigeration compartment air outlet 10 to the second refrigeration compartment 2.Wherein, the second refrigeration compartment air outlet
10 quantity is 3.It should be noted that in some other embodiment of the invention, the second refrigeration compartment air outlet 10
Quantity may be 1 or 2 or other quantity.Preferably, this 3 the second refrigeration compartment air outlets 10 are arranged at intervals on second
On refrigeration compartment air supply tube 6, and it is located at the two sides of the second refrigeration compartment air supply tube 6.Further, 3 the second refrigeration compartments go out
Air port 10 is corresponding with the storage compartments in the second refrigeration compartment 2 respectively, with the storage compartments respectively into the second refrigeration compartment 2
Cold wind is provided.And the second refrigeration compartment return air inlet 11 is preferably provided at the lower part of the second refrigeration compartment 2.Advantageously, the second refrigeration
The air inlet system and air return system of compartment 2 are mutually discrete, to avoid there is windage, and can realize better refrigeration effect.
In addition, the refrigerator single system double suction air duct further includes the second refrigeration compartment backwind tube 7, the second refrigeration compartment return air
One end of pipe 7 is connected to the second refrigeration compartment return air inlet 11, the other end of the second refrigeration compartment backwind tube 7 and the second air inlet 13
Connection, so that Double suction type centrifugal wind motor 4 sucks the wind in the second refrigeration compartment 2.In some other embodiment of the invention,
Electric flap also can be set in the second refrigeration compartment backwind tube 7, to realize by closing or opening for electric flap
Temperature control in two refrigeration compartments 2.
In this embodiment, the quantity of the first refrigeration compartment air outlet 12 is 4, and this 4 the first refrigeration compartment outlet air
12 scattering devices of mouth are around air duct panel 3.As illustrated in FIG. 1,4 the first refrigeration compartment air outlets 12 can be located separately
Four corners of air duct panel 3, to provide cold wind to the first refrigeration compartment 1 respectively.It should be noted that in of the invention its
In its some embodiment, the quantity of the first refrigeration compartment air outlet 12 may be 1 or 2 or other quantity, and multiple first
Refrigeration compartment air outlet 12 is distributed in around air duct panel 3, and opposite with the storage compartments in the first refrigeration compartment 1 respectively
It answers, provides cold wind with the storage compartments respectively into the first refrigeration compartment 1.
The invention also discloses a kind of refrigerators comprising refrigerator single system double suction air duct as described above.It needs to illustrate
It is, although those skilled in the art is it will also be understood that the refrigerator shown in this embodiment only includes two refrigeration compartments, so
And refrigerator according to the present invention may also comprise third refrigeration compartment, the 4th refrigeration compartment etc., wherein third refrigeration compartment, the 4th make
Cold compartment etc. can be equal to the second refrigeration compartment of the invention.
In conclusion cyclic annular evaporator 8, double-suction type are centrifuged wind by refrigerator provided by the invention and its single system double suction air duct
Inside the set a to heat exchanger chamber of machine 4, the volumetric efficiency of refrigerator is effectively increased, wind is blown from Double suction type centrifugal wind motor 4 is radial
Out, it is directly over cyclic annular evaporator 8 and then is blown out by air outlet, wind speed is fast in heat transfer process, and heat exchange efficiency is high;And it improves
Air circulation efficiency and refrigerating capacity;Further, since air duct panel 3 and refrigerator rear wall form heat exchanger chamber, rear cover is eliminated
Plate, therefore reduce costs.Further, by being used to adjust the air door of the first air inlet size in the setting of the first air inlet 5,
So that the purpose that the single system double suction air duct can be realized defrost reduces power consumption so as to reduce or cancel electric heating.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of refrigerator single system double suction air duct, the refrigerator includes the first refrigeration compartment and the second refrigeration compartment, described second
Refrigeration compartment is equipped with the second refrigeration compartment return air inlet, which is characterized in that including:
The side of the first refrigeration compartment is arranged in air duct panel, the air duct panel, with the rear side with first refrigeration compartment
Wall limits heat exchanger chamber;
Double suction type centrifugal wind motor, the Double suction type centrifugal wind motor are arranged in the heat exchanger chamber, and the heat exchanger chamber is arranged
There is air inlet corresponding with the Double suction type centrifugal wind motor, the air inlet includes the first air inlet and the second air inlet, institute
It states the first air inlet to be arranged on the air duct panel, the rear wall of first refrigeration compartment is arranged in second air inlet
On, first air inlet is connected to first refrigeration compartment, and second air inlet is connected to second refrigeration compartment;
Cyclic annular evaporator, the ring-type evaporator are arranged in the heat exchanger chamber and are covered on the Double suction type centrifugal wind motor
External peripheral surface;
First refrigeration compartment air outlet, the first refrigeration compartment air outlet are arranged on the air duct panel, and with the ring
The circumferentially external space of shape evaporator is connected to;
The circumferentially external space of second refrigeration compartment air supply tube, the second refrigeration compartment air supply tube and the cyclic annular evaporator connects
Lead to and extend to the second refrigeration compartment, to blow to second refrigeration compartment.
2. refrigerator single system double suction air duct according to claim 1, first refrigeration compartment is freezing chamber, described second
Refrigeration compartment is refrigerating chamber.
3. refrigerator single system double suction air duct according to claim 1, which is characterized in that the Double suction type centrifugal wind motor includes
Multiple flabellums, the terminal pad for being used to support multiple flabellums, the terminal pad are located at the centre bit of the flabellum short transverse
It sets.
4. refrigerator single system double suction air duct according to claim 1, which is characterized in that first air inlet is additionally provided with
For adjusting the air door of the first air inlet openings of sizes.
5. refrigerator single system double suction air duct according to claim 4, which is characterized in that the air door is rotary fan-shaped lattice
Grid air door or parallel-moving type grille shutter.
6. refrigerator single system double suction air duct according to claim 1, which is characterized in that further include the second refrigeration compartment return air
Pipe, one end of the second refrigeration compartment backwind tube are connected to the second refrigeration compartment return air inlet, second refrigeration compartment
The other end of backwind tube is connected to second air inlet.
7. refrigerator single system double suction air duct according to claim 6, which is characterized in that further include setting between the second refrigeration
Electric flap in the backwind tube of room.
8. refrigerator single system double suction air duct according to claim 1 to 6, which is characterized in that further include that setting exists
Electric flap in second refrigeration compartment air supply tube.
9. refrigerator single system double suction air duct according to claim 1 to 6, which is characterized in that first refrigeration
The quantity of compartment air outlet is multiple, and multiple first refrigeration compartment air outlet scattering devices are in the week of the air duct panel
It encloses.
10. a kind of refrigerator, which is characterized in that further include refrigerator single system double suction wind as claimed in any one of claims 1-9 wherein
Road.
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CN201710322717.1A CN108870830A (en) | 2017-05-09 | 2017-05-09 | Refrigerator and its single system double suction air duct |
PCT/CN2017/091133 WO2018205383A1 (en) | 2017-05-09 | 2017-06-30 | Refrigerator and single-system air suction duct thereof |
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CN201710322717.1A CN108870830A (en) | 2017-05-09 | 2017-05-09 | Refrigerator and its single system double suction air duct |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109883111A (en) * | 2019-03-22 | 2019-06-14 | 合肥华凌股份有限公司 | Refrigeration equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109883111A (en) * | 2019-03-22 | 2019-06-14 | 合肥华凌股份有限公司 | Refrigeration equipment |
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