CN204693930U - A kind of condensation ducting assembly for refrigerator and refrigerator thereof - Google Patents

Abstract

The utility model discloses a condensing air duct assembly for a refrigerator, which comprises a compressor compartment, a rear cover plate of the machine compartment, and a compressor, a condenser, and a centrifugal fan sequentially arranged in the compressor compartment. There are air inlet and exhaust air ducts, the blades of the centrifugal fan are backward blades, the axial direction of the air inlet and air outlet of the centrifugal fan is perpendicular, the air inlet of the exhaust air duct is connected with the air outlet of the centrifugal fan, The air outlet of the exhaust air duct faces the condenser, the air outlet of the air intake duct is connected to the air inlet of the centrifugal fan, the air inlet of the air intake duct faces the rear cover of the machine compartment, and the rear cover of the machine compartment is in the position corresponding to the intake air. The air inlet of the duct is provided with a cover plate air inlet, and the position corresponding to the compressor is provided with a cover plate air outlet. The utility model also discloses a refrigerator with the condensing air channel assembly. Compared with the prior art, the utility model has the advantages of large air volume, low noise, low power consumption and easy position adjustment.

Description

Condensing air duct assembly for refrigerator and refrigerator thereof

technical field

The utility model relates to the field of household appliances, in particular to a condensing air duct assembly for a refrigerator and the refrigerator thereof.

Background technique

Most of the condensing air duct components of the existing refrigerators use axial flow fans to suck air from the rear cover. Due to the air inlet characteristics of the axial fan shaft in and out, the air inlet wind speed of the entire condensing air duct is uneven and the wind resistance is large. 1. The air volume is small, resulting in poor heat dissipation performance of the condenser; due to the restriction of the air inlet of the axial flow fan, the axial flow fan must be placed near the middle section of the compressor compartment, which increases the volume of the compressor compartment and limits the structural design; At the same time, because there is no dust-proof measure for the air inlet of the rear cover, dust covers the condenser and fan blades, which increases the wind resistance of the fan, reduces the heat transfer performance of the condenser, and increases power consumption.

Utility model content

The utility model aims to solve the technical problems in the above-mentioned prior art, and provides a condensing air duct assembly for a refrigerator and the refrigerator thereof. The condensing air duct assembly for refrigerators has the advantages of large air volume, low noise, low power consumption, easy position adjustment, and the like.

The utility model is achieved through the following technical solutions:

A condensing duct assembly for a refrigerator, comprising a compressor compartment, a rear cover plate of the compartment, and a compressor, a condenser, and a centrifugal fan sequentially arranged in the compressor compartment, and the compressor compartment is also provided with The air inlet duct and the exhaust air duct, the blades of the centrifugal fan are backward blades, the air inlet and the air outlet of the centrifugal fan are perpendicular to the axial direction, and the air inlet of the exhaust air duct is connected to the centrifugal fan. The air outlet of the fan is connected, the air outlet of the exhaust air duct faces the condenser, the air outlet of the air inlet air duct is connected with the air inlet of the centrifugal fan, and the air inlet of the air inlet air duct Facing the rear cover of the machine compartment, the rear cover of the machine compartment is provided with a cover plate air inlet at a position corresponding to the air inlet of the air inlet duct, and a cover plate air outlet is provided at a position corresponding to the compressor.

As a preferred embodiment of the above-mentioned condensing air duct assembly for refrigerators, the centrifugal fan includes a volute, a cavity is provided in the volute, a centrifugal fan is provided in the cavity, and the volute An air inlet and an air outlet respectively communicated with the cavity are provided on the top.

As a preferred implementation of the above-mentioned condensing air duct assembly for a refrigerator, there is a dust-proof net inside the air inlet of the cover of the rear cover of the machine compartment.

As a preferred implementation of the above-mentioned condensing air duct assembly for a refrigerator, the air intake duct is a constricted structure along the air intake direction.

As a preferred implementation of the above-mentioned condensing air duct assembly for a refrigerator, the exhaust air duct has a flaring structure along the air exhaust direction.

As a preferred embodiment of the above-mentioned condensing duct assembly for a refrigerator, the condenser is one of a wire tube condenser, a rotary fin condenser and a microchannel condenser.

As a preferred embodiment of the above-mentioned condensing air duct assembly for a refrigerator, the cross-sectional shape of the air inlet duct is circular or rectangular.

As a preferred embodiment of the above-mentioned condensing air duct assembly for a refrigerator, the cross-sectional shape of the exhaust air duct is rectangular.

As a preferred embodiment of the above-mentioned condensing duct assembly for a refrigerator, a gasket is provided for sealing the gap between the air outlet of the exhaust duct and the condenser.

A refrigerator includes a box body and a door body, the box body is provided with a condensation air duct assembly, and the condensation air duct assembly is a condensation air duct assembly for a refrigerator as described above.

The utility model has the following advantages relative to the prior art:

The utility model provides a condensing air duct assembly for a refrigerator, which has the advantages of large air volume, low noise, low power consumption, easy position adjustment, and the like. It sucks air from the environment through the air inlet of the centrifugal fan from the air inlet of the rear cover of the machine room, then exhausts it from the air outlet of the centrifugal fan to the condenser, and finally passes through the cover on the rear cover of the machine room. The vent exhausts air to the environment. Utilizing the advantages of centrifugal fan shaft inlet and side outlet and low noise, the efficient heat exchange of the condenser is realized, with low energy consumption and low noise. The dust-proof net is used to effectively prevent a large amount of dust from entering the condenser, and further improve the heat exchange efficiency of the condenser. At the same time, the centrifugal fan is adopted to solve the position limitation of the original axial flow fan in the compressor compartment, so that the structural setting of the condensing air duct assembly is more reasonable and compact.

Description of drawings

Fig. 1 is a structural schematic diagram of the connection between the centrifugal fan of the present invention and the air inlet duct and the exhaust air duct.

Fig. 2 is a structural schematic view of the condensing air duct assembly of the present invention when the rear cover of the machine compartment is disassembled.

Fig. 3 is a structural schematic view of the condensing air duct assembly of the present invention with the rear cover of the engine room added.

Detailed ways

The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.

Referring to Fig. 1 to Fig. 3, a condensing duct assembly for a refrigerator provided in this embodiment includes a compressor compartment 7, a rear cover plate 8 of the compartment, and a compressor 6 and a condensing duct arranged in sequence in the compressor compartment 7. Device 5, centrifugal fan 1, air inlet duct 3 and exhaust air duct 2 are also arranged in compressor compartment 7, centrifugal fan 1 includes a volute, and a cavity is provided in the volute, and a centrifugal fan 11 is arranged in the cavity , The volute is provided with an air inlet and an air outlet respectively connected with the cavity, the blade 12 of the centrifugal fan 1 is a backward blade, and the axial direction of the air inlet and the air outlet of the centrifugal fan 1 are perpendicular. The air inlet of the exhaust air duct 2 is connected with the air outlet of the centrifugal fan 1, the air outlet of the exhaust air duct 2 faces the condenser 5, the air outlet of the air intake duct 3 is connected with the air inlet of the centrifugal fan 1, and the air inlet The air inlet of the air duct 3 faces the machine compartment rear cover 8, and the machine compartment rear cover 8 is provided with a cover plate air inlet 81 at the position corresponding to the air intake of the air intake duct 3, and a cover plate is provided at the position corresponding to the compressor 6 Air outlet 82.

During work, air is sucked from the environment through the air inlet of the centrifugal fan 1 from the cover air inlet 81 of the rear cover 8 of the machine compartment, and then exhausted from the air outlet of the centrifugal fan 1 to the condenser 5, and finally passes through the machine compartment. The cover plate air outlet 82 on the cover plate 8 discharges air into the environment, thereby realizing efficient heat exchange between the ambient air and the condenser 5 .

By setting the centrifugal fan 1, the condensing air duct assembly can avoid the position restriction of the original axial flow fan in the compressor chamber 7 by utilizing the advantages of the centrifugal fan 1 shaft inlet and side outlet, and low noise, so that the structural setting of the condensing air duct assembly It is more reasonable, the structure layout is more compact, and the overall occupation volume is small. The centrifugal fan 1 with the blade 12 as the backward blade sucks air from the environment through the cover plate air inlet 81 of the rear cover plate 8 of the machine compartment, and uses the exhaust air duct 2 to make the air pass through the condenser 5 evenly, thereby realizing air and condensation. Efficient heat exchange of device 5. By setting the air inlet duct 3, the structure of the condensing air duct assembly can be made more reasonable, and it is more convenient for the centrifugal fan 1 to suck air from the air inlet 81 of the cover plate.

Wherein, there is a dust-proof net 4 inside the cover plate air inlet 81 of the rear cover plate 8 of the engine room, which effectively prevents a large amount of dust from entering the condenser 5 and improves the heat exchange efficiency of the condenser 5 .

The air inlet duct 3 has a constricted structure along the air inlet direction, and the cross-sectional shape of the air inlet duct 3 is circular or rectangular. The design of this narrowing structure makes the air inlet duct 3 have a larger air inlet, which increases the air suction surface and increases the air volume. At the same time, the cross-section of the air inlet duct 3 is circular or rectangular, which can easily communicate with the air inlet of the centrifugal fan 1, reducing the difficulty of manufacture and installation.

The exhaust air duct 2 has a flared structure along the exhaust direction, and the cross-sectional shape of the exhaust air duct 2 is rectangular. The exhaust air duct 2 is designed as a flaring structure, which can make the air pass through the condenser 5 more evenly and comprehensively, thereby improving the heat exchange efficiency of the condenser 5 . At the same time, the cross-section of the exhaust air duct 2 is rectangular, which can easily communicate with the air outlet of the centrifugal fan 1, reducing the difficulty of manufacture and installation.

The condenser 5 may be one of a silk tube condenser, a rotary fin condenser and a microchannel condenser.

The gap between the air outlet of the exhaust air duct 2 and the condenser 5 is provided with a gasket for sealing. The gasket can be a sealing material such as sponge, and the gasket can reduce the influence of factors such as backflow at the air outlet position of the exhaust air duct 2, and increase the air volume blown to the condenser 5.

This embodiment also discloses a refrigerator, which includes a box body and a door body. The box body is provided with a condensing air duct assembly, which is the above-mentioned condensing air duct assembly for a refrigerator. The refrigerator has the advantages of large air volume, low noise, low power consumption, and easy position adjustment by setting the condensing air duct assembly.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (10)

1. the condensation ducting assembly for refrigerator, it is characterized in that, comprise compressor bin, cabin back shroud and the compressor be set in turn in described compressor bin, condenser, centrifugal blower, wind inlet channel and wind output channel is also provided with in described compressor bin, the blade of described centrifugal blower is backward inclined blade, the air inlet of described centrifugal blower and the axis of air outlet perpendicular, the air inlet of described wind output channel is connected with the air outlet of described centrifugal blower, the air outlet of described wind output channel is towards described condenser, the air outlet of described wind inlet channel is connected with the air inlet of described centrifugal blower, the air inlet of described wind inlet channel is towards described cabin back shroud, described cabin back shroud is provided with cover plate air inlet at the air inlet position of the described wind inlet channel of correspondence, the position of the described compressor of correspondence is provided with cover plate air outlet.

2. a kind of condensation ducting assembly for refrigerator according to claim 1, it is characterized in that, described centrifugal blower comprises spiral case, is provided with cavity in described spiral case, be provided with centrifugal fan in described cavity, described spiral case be provided with respectively with air inlet and the air outlet of described cavity connects.

3. a kind of condensation ducting assembly for refrigerator according to claim 1, is characterized in that there is Air Filter inside the cover plate air inlet of described cabin back shroud.

4. a kind of condensation ducting assembly for refrigerator according to claim 1, is characterized in that, described wind inlet channel is throat structure along air intake direction.

5. a kind of condensation ducting assembly for refrigerator according to claim 1, is characterized in that, described wind output channel is flaring structure along air draft direction.

6. a kind of condensation ducting assembly for refrigerator according to claim 1, it is characterized in that, described condenser is wire tube condenser, revolves the one of wing condenser and micro-channel condenser.

7. a kind of condensation ducting assembly for refrigerator according to claim 1, is characterized in that, the cross sectional shape of described wind inlet channel is circular or rectangle.

8. a kind of condensation ducting assembly for refrigerator according to claim 1, is characterized in that, the cross sectional shape of described wind output channel is rectangle.

9. a kind of condensation ducting assembly for refrigerator according to claim 1, it is characterized in that, the gap between the air outlet of described wind output channel and described condenser is provided with the sealing gasket for sealing.

10. a refrigerator, comprise casing and door body, described casing is provided with condensation ducting assembly, it is characterized in that, a kind of condensation ducting assembly for refrigerator of described condensation ducting assembly according to any one of claim 1-9.