CN211261435U - Air duct structure of air-cooled refrigerator - Google Patents
Air duct structure of air-cooled refrigerator Download PDFInfo
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- CN211261435U CN211261435U CN201921942744.XU CN201921942744U CN211261435U CN 211261435 U CN211261435 U CN 211261435U CN 201921942744 U CN201921942744 U CN 201921942744U CN 211261435 U CN211261435 U CN 211261435U
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Abstract
The utility model provides a no rotor electromagnetism loses electric brake relates to geothermol power pipeline field, an air-cooled refrigerator wind channel structure, including the wind channel back shroud, wind channel back shroud front side is connected with the wind channel front panel, accompany the sealed foam in wind channel between wind channel front panel and the wind channel back shroud, fixedly connected with wind channel spiral case panel on the wind channel front panel, wind channel spiral case panel is provided with the air intake, air intake connection has centrifugal fan, be equipped with the spiral case wind channel on the sealed foam in wind channel, the air outlet intercommunication on spiral case wind channel top and the sealed foam in wind channel's top. The utility model discloses in, air conditioning flows along spiral case wind chamber, and windage pressure is little, and the loss of the amount of wind reduces, and the air outlet wind pressure increase for working medium evaporating rate in the evaporimeter reduces the volume that liquid working medium backward flow got into the compressor, reduces the compressor load, makes the interior refrigeration speed of refrigerator accelerate, efficient, and compressor start frequency descends to reduce refrigerator consumption.
Description
Technical Field
The utility model relates to a refrigerator field especially relates to an air-cooled refrigerator wind channel structure.
Background
Air-cooled refrigerators are widely used. The air-cooled refrigerator utilizes the fan to blow cold air into the refrigerator through the air duct, so that the interior of the refrigerator can be quickly and uniformly refrigerated. Being close to the preceding one side of refrigerator in the wind channel for the wind channel apron, being equipped with the air outlet on it, cold air supply flows out, gets into before the refrigerator, and the refrigeration cycle in the freezing chamber of present air-cooled refrigerator is: the cold air reaches the freezing air duct from the evaporator and then reaches the freezing chamber through the air outlet of the freezing air duct to refrigerate the storage space of the refrigerator.
However, because the air duct structure of the existing air-cooled refrigerator mostly adopts a fan centering design, the air duct air cavity adopts a rectangular or circular air cavity design symmetrical to the central line of the fan, and when the centrifugal fan sucks air from the air inlet and circulates in the air cavity, the rectangular air cavity and the circular air cavity can cause the increase of air volume loss, the pressure of outlet air volume is reduced and insufficient, the refrigeration speed of the refrigerator is low, the efficiency is low, the startup rate of a compressor is increased, and the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air-cooled refrigerator wind channel structure to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides an air-cooled refrigerator wind channel structure, includes the wind channel back shroud, wind channel back shroud front side is connected with the wind channel front panel, accompany the sealed foam in wind channel between wind channel front panel and the wind channel back shroud, fixedly connected with wind channel spiral case panel on the wind channel front panel, wind channel spiral case panel is provided with the air intake, air intake connection has centrifugal fan, be equipped with the spiral case wind channel on the sealed foam in wind channel, the air outlet intercommunication on spiral case wind channel top and the top of the sealed foam in wind channel.
Preferably, an inner clamping edge is fixedly connected to the edge of one side, close to the air duct rear cover plate, of the air duct front panel, and the outer side of the inner clamping edge is attached to the inner side of the outer clamping edge, connected to the edge of the air duct rear cover plate.
Preferably, the air duct sealing foam is plate-shaped, and the thickness of the air duct sealing foam is 2mm greater than that of the inner clamping edge.
Preferably, one side of the air duct front panel close to the air duct rear cover plate is respectively provided with a threaded sleeve, the sum of the lengths of the threaded sleeves is smaller than the thickness of the air duct volute panel, and the two opposite threaded sleeves are connected through fastening screws.
Preferably, a channel is arranged below the air duct volute panel on the air duct front panel, and the channel is opposite to the ventilation net on the air duct rear cover plate.
Preferably, the tunnel sealing foam is located above the tunnel.
Preferably, the linearity of the volute air channel is a logarithmic spiral.
Preferably, at least one air outlet is formed.
The utility model has the advantages that:
in the utility model, a volute air duct is designed based on logarithmic spiral line type, the air duct is connected by an air duct front panel, an air duct sealing foam and an air duct rear cover plate, the volute air duct is arranged on the air duct sealing foam, cold air flow cooled by an evaporator flows along a volute air cavity after being pushed by a centrifugal fan from an air inlet, the wind resistance pressure is small, the air quantity loss is reduced, the air pressure of an air outlet is increased, the evaporation speed of working medium in the evaporator is accelerated, the quantity of liquid working medium flowing back into a compressor is reduced, the load of the compressor is reduced, the refrigerating speed in the refrigerator is accelerated, the efficiency is high, the starting frequency of the compressor is reduced, and the consumption of the refrigerator is reduced; the edges of the air duct front panel and the air duct rear cover plate are respectively provided with an inner clamping edge and an outer clamping edge which are mutually attached, so that the air duct front panel and the air duct rear cover plate are tightly connected, cold air flow leakage is avoided, and the sealing performance is good; parameters of the spiral volute air channel in the logarithmic spiral line type are determined according to the size of an air inlet of the air channel, air pressure requirements and air channel space elements, and characteristic data of the required spiral volute air channel can be calculated conveniently according to different requirements in production.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a partial top view of the present invention;
reference numerals: 1. an air duct front panel; 101. an air duct volute panel; 1011. an air inlet; 102. a channel; 103. inner clamping edges; 2. a centrifugal fan; 3. sealing foam in the air duct; 301. a volute air duct; 4. an air duct rear cover plate; 401. externally clamping edges; 402. a ventilation net; 403. a threaded sleeve; 5. an air outlet; 6. and (4) screws.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, an air duct structure of an air-cooled refrigerator comprises an air duct rear cover plate 4, an air duct front panel 1 is connected to the front side of the air duct rear cover plate 4, an air duct sealing foam 3 is clamped between the air duct front panel 1 and the air duct rear cover plate 4, an air duct volute panel 101 is fixedly connected to the air duct front panel 1, the air duct volute panel 101 is provided with an air inlet 1011, the air inlet 1011 is connected with a centrifugal fan 2, a volute air duct 301 is arranged on the air duct sealing foam 3, the top end of the volute air duct 301 is communicated with an air outlet 5 at the top end of the air duct sealing foam 3, an inner clamping edge 103 is fixedly connected to one side edge of the air duct front panel 1 close to the air duct rear cover plate 4, the outer side of the inner clamping edge 103 is attached to the inner side of an outer clamping edge 401 connected to the edge of the air duct rear cover plate 4, the air duct sealing foam 3 is plate-shaped, the thickness of, the sum of the lengths of the thread sleeves 403 is less than the thickness of the air duct volute panel 101, and two opposite thread sleeves 403 are connected through fastening screws 6.
During assembly, the air duct sealing foam 3 is placed in a frame surrounded by an inner clamping plate on the side surface of the air duct front panel 1, at the moment, a volute air duct 301 on the air duct sealing foam 3 is opposite to an air duct volute panel 101, a centrifugal fan 2 is aligned with the volute air duct 301, then, an air duct rear cover plate 4 is aligned and connected with the air duct front panel 1, the air duct front panel 1 is opposite to a threaded sleeve 403 on the air duct rear cover plate 4, a screw 6 is inserted into the threaded sleeve 403 from the rear side of the air duct rear cover plate 4, the air duct front panel 1 is connected with the air duct rear cover plate 4 when the screw 6 is rotated, the air duct front cover plate and the air duct rear cover plate 4 extrude the air duct sealing foam 3 after the screw 6 is continuously rotated, so that the air duct front panel 1 and the air duct rear cover plate 4 are respectively and tightly connected with the air duct sealing foam 3 to match the inner clamping edge 103 and, when cold air is conveyed, the centrifugal fan 2 rotates under an instruction sent by a main control panel of the refrigerator, air with reduced temperature due to heat exchange of the evaporator is blown into the volute air duct 301, air flow flows along the volute air duct 301 in the volute air duct 301, resistance of air is reduced, and the area of the air outlet 5 is increased, so that air pressure of the air outlet 5 is increased, the refrigerating speed in the refrigerator is increased, the efficiency is high, the starting frequency of the compressor is reduced, and the purpose of energy conservation is achieved.
Example 2
As shown in fig. 1-2, an air-cooled refrigerator air duct structure includes an air duct rear cover plate 4, an air duct front panel 1 is connected to the front side of the air duct rear cover plate 4, an air duct sealing foam 3 is sandwiched between the air duct front panel 1 and the air duct rear cover plate 4, an air duct volute panel 101 is fixedly connected to the air duct front panel 1, the air duct volute panel 101 is provided with an air inlet 1011, the air inlet 1011 is connected with a centrifugal fan 2, a volute air duct 301 is arranged on the air duct sealing foam 3, the top end of the volute air duct 301 is communicated with an air outlet 5 at the top end of the air duct sealing foam 3, a channel 102 is arranged below the air duct volute panel 101 on the air duct front panel 1, the channel 102 is opposite to a ventilation net 402 on the air duct rear cover plate 4, the air duct sealing foam 3.
The passage 102 is arranged below the panel of the volute air channel 301 and connected with the ventilation net 402, heat generated by mechanical operation inside the refrigerator can be dissipated, the working environment of parts of the refrigerator is guaranteed, the design of the volute air channel 301 in a logarithmic spiral type is convenient, the diameters of the air inlet 1011 and the air outlet 5 of the volute air channel 301 can be calculated through the air pressure required by the size of the space of the refrigerator, and therefore the air output is guaranteed to meet the required air pressure.
The working principle is as follows: when the utility model is used, the air inlet 1011 on the air channel volute panel 101 is connected with the outside of the evaporator, after the evaporator exchanges heat with the outside normal temperature air, the refrigerant in the evaporator absorbs heat and evaporates, the outside air of the evaporator cools, the air cooled by the centrifugal fan 2 is sucked into the air channel, so that the air forms an air flow flowing along the volute air channel 301 in the air channel, the cold air enters the refrigerator through the air outlet 5, the cold air exchanges heat with the refrigerator storage cabinet, the cooling purpose is achieved, the gas flowing along the inside of the volute air channel 301 is small in resistance, under the same wind force, the gas flows faster, the air pressure of the air outlet 5 is increased, the gas circulation speed in the refrigerator is accelerated, the refrigeration is faster, the energy is more saved, meanwhile, the gas outside the evaporator can be rapidly discharged, the refrigerant in the evaporator is fully gasified, the liquid backflow is avoided to enter the compressor, has the function of protecting the compressor.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an air-cooled refrigerator wind channel structure, includes wind channel back shroud (4), wind channel back shroud (4) front side is connected with wind channel front panel (1), accompany wind channel sealing foam (3), its characterized in that between wind channel front panel (1) and wind channel back shroud (4): fixedly connected with wind channel spiral case panel (101) on wind channel front panel (1), wind channel spiral case panel (101) are provided with air intake (1011), air intake (1011) are connected with centrifugal fan (2), be equipped with spiral case wind channel (301) on wind channel sealed foam (3), spiral case wind channel (301) top communicates with air outlet (5) on the top of wind channel sealed foam (3).
2. The air duct structure of the air-cooled refrigerator according to claim 1, wherein: the air duct front panel (1) and the air duct rear cover plate (4) are close to one side edge fixedly connected with an inner clamping edge (103), and the outer side of the inner clamping edge (103) is attached to the inner side of an outer clamping edge (401) connected with the edge of the air duct rear cover plate (4).
3. The air duct structure of the air-cooled refrigerator according to claim 2, wherein: the air duct sealing foam (3) is plate-shaped, and the thickness of the air duct sealing foam (3) is 2mm greater than that of the inner clamping edge (103).
4. The air duct structure of the air-cooled refrigerator according to claim 1, wherein: one side of the air duct front panel (1) close to the air duct rear cover plate (4) is provided with a threaded sleeve (403), the sum of the lengths of the threaded sleeves (403) is smaller than the thickness of the air duct volute panel (101), and the two opposite threaded sleeves (403) are connected through fastening screws (6).
5. The air duct structure of the air-cooled refrigerator according to claim 1, wherein: a channel (102) is arranged below the air duct volute panel (101) on the air duct front panel (1), and the channel (102) is opposite to a ventilation net (402) on the air duct rear cover plate (4).
6. The air duct structure of the air-cooled refrigerator according to claim 4, wherein: the air duct sealing foam (3) is located above the channel (102).
7. The air duct structure of the air-cooled refrigerator according to claim 1, wherein: the linearity of the volute air channel (301) is logarithmic spiral.
8. The air duct structure of the air-cooled refrigerator according to claim 1, wherein: at least one air outlet (5) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942744.XU CN211261435U (en) | 2019-11-12 | 2019-11-12 | Air duct structure of air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942744.XU CN211261435U (en) | 2019-11-12 | 2019-11-12 | Air duct structure of air-cooled refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211261435U true CN211261435U (en) | 2020-08-14 |
Family
ID=71958251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921942744.XU Active CN211261435U (en) | 2019-11-12 | 2019-11-12 | Air duct structure of air-cooled refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211261435U (en) |
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2019
- 2019-11-12 CN CN201921942744.XU patent/CN211261435U/en active Active
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