CN216953727U

CN216953727U - Fan-free condensation air duct module for refrigerator

Info

Publication number: CN216953727U
Application number: CN202220381082.9U
Authority: CN
Inventors: 余涛; 陈开松; 尚殿波
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-12
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a fan-free condensation air duct module for a refrigerator, and relates to the technical field of refrigerators. The utility model comprises a fan-free external condensation air duct module; the fan-free external condensation air channel module comprises a condenser, wherein a refrigerant flows in the condenser; the refrigerant flows through the compressor, the evaporating pipe in the water pan, the condenser and the pipeline in the box in sequence, so that the whole refrigeration cycle system is formed; the in-box pipeline comprises a box body condensation preventing pipe, a capillary pipe and an evaporator pipeline which are connected; the condensation air duct is arranged on the rear back plate of the refrigerator or in the groove structure of the back of the refrigerator; the condenser is arranged in the condensing air duct; the air inlet is arranged at one end of the condensation air duct; and the air outlet is arranged at the other end of the condensation air duct. The utility model solves the problem of high noise of the existing complete machine by removing the condensing fan and adopting a scheme of heat convection and high-efficiency heat exchange.

Description

Fan-free condensation air duct module for refrigerator

Technical Field

The utility model belongs to the technical field of refrigerators, and particularly relates to a fan-free condensation air duct module for a refrigerator.

Background

The current household appliance refrigerator is gradually transferred to necessities of life from luxury goods before 25 years, the volume is also increased from one or two hundred liters to five or six hundred liters at most, the volume is increasingly large, the refrigeration design scheme of the refrigerator is also updated iteratively, most commonly, the air-cooled refrigerator is gradually increased to each volume section, and the air-cooled refrigerator becomes the mainstream machine type of the current refrigerator market. The large-volume air-cooled refrigerator is mainly a conventional refrigerating system, is provided with a refrigerating fan, and is characterized in that the refrigerating capacity of an evaporator in the refrigerating system is conveyed to each independent compartment through an air duct by relying on the forced turbulence of the refrigerating fan, so that the purpose of independent refrigeration of each compartment is achieved. To energy-conserving product or embedded product that the efficiency grade is high, generally can dispose external condensation module, include parts such as condensation fan, condenser, the forced vortex of condensation fan can be with the heat in the condenser in the external environment of quick transmission, reach high-efficient condensation heat transfer effect.

However, the external condensation module of the refrigerator can cause the noise of the whole refrigerator to be higher by 1-2 decibels than the conventional state without the external condensation module, and the use experience of a user is not good. This condensation module is generally placed in refrigerator compressor storehouse, and this compressor storehouse is not totally closed structure, generally is that the back position can open into wind gap, air outlet, and wind gap, air outlet are opened to compressor bottom plate both ends, and partial carrier is about also open into, the air outlet in the side group bottom, mainly is the high-efficient heat transfer that the external condensation module was realized to the compulsory vortex that is used for the condensation fan. In the operation process of the condensation fan, the fan (including fan blades and a bracket) is generally fixed on the water receiving tray, vibration is generated during the operation of the fan, the vibration is transmitted out through paths such as the water receiving tray and a compressor bottom plate (the water receiving tray is fixed on the compressor bottom plate), and the noise is increased. Secondly, in the condensation wind channel, the condensation fan disturbed flow operation can produce pneumatic noise, the sound of calling. Comprehensively, external condensation module is very good because of the heat transfer effect that exists of fan, but can lead to the increase of complete machine noise, and some consumers feel the complete machine noise, lead to the production of noise complaint, the machine of retreating scheduling problem to appear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fan-free condensation air duct module for a refrigerator, which solves the problem of high noise of the conventional whole machine by removing a condensation fan and adopting a scheme of heat convection and high-efficiency heat exchange.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a fan-free condensation air channel module for a refrigerator, which comprises a fan-free external condensation air channel module; the fan-free external condensation air channel module comprises a condenser, wherein a refrigerant flows in the condenser; the refrigerant flows through the compressor, the evaporating pipe in the water pan, the condenser and the pipeline in the box in sequence, so that the whole refrigeration cycle system is formed; the in-box pipeline comprises a box body condensation preventing pipe, a capillary pipe and an evaporator pipeline which are connected; the condensation air duct is arranged on the rear back plate of the refrigerator or in the groove structure of the rear of the refrigerator; the condenser is arranged in the condensation air duct; the air inlet is arranged at one end of the condensation air duct; and the air outlet is arranged at the other end of the condensation air duct.

As a preferred technical scheme of the utility model, the refrigerant adopts an upper-inlet and lower-outlet type, and the refrigerant inlet section is positioned at the top of the condensation air duct; the air inlet and the air outlet are respectively positioned at the bottom end and the top end of the condensation air duct, and the air flow direction of the air inlet and the air outlet is opposite to the flow direction of the refrigerant.

As a preferred technical scheme of the utility model, the condenser pipeline is of an S-shaped structure; the condenser pipeline is a copper pipe, an aluminum pipe or a micro-channel pipe; the condenser pipeline is provided with a micro-channel, a rotary fin type or a fin type fin.

As a preferred technical scheme of the utility model, a plurality of baffle blocks are arranged between the condenser and the condensation air duct.

As a preferred technical scheme of the utility model, the condensation air duct is of a concave structure; and sealing materials sealed with the fixed surface of the condensation air duct are arranged around the condensation air duct.

In a preferred embodiment of the present invention, the sealing material is a sealing sponge.

As a preferable technical scheme of the utility model, the air outlet comprises a top air outlet arranged at the upper end of the condensation air duct.

As a preferred technical scheme of the utility model, the top air outlet is of a microporous structure comprising a plurality of micropores.

As a preferred technical solution of the present invention, the air outlet further includes a plurality of side air outlets disposed at two sides of the top air outlet.

As a preferred technical scheme of the utility model, the height of the fan-free condensation air duct module is not less than 500mm, and the thickness of the fan-free condensation air duct module is 10-15 mm.

The utility model has the following beneficial effects:

1. according to the utility model, the height of the fan-free condensation air duct module is not less than 500mm, and the thickness of the fan-free condensation air duct module is 10-15 mm, so that the high efficiency of the chimney effect of the air duct can be ensured at the designed height, the air circulation speed is accelerated, and the high-efficiency heat dissipation requirement of the condenser can be still realized under the forced turbulence action of the fan.

2. The utility model removes the condensing fan, adopts the scheme of heat convection and high-efficiency heat exchange, has simple structure, low cost and low noise, and improves the market competitiveness and the user use satisfaction degree of the whole refrigerator; according to the difference of the hot air density of the condenser, heat pressure difference is formed, and air rises upwards along a space with a vertical slope, so that accelerated natural convection of the air in the condensing air duct is promoted.

3. According to the utility model, the condensation air channel is vertically arranged and the refrigerant is adopted to perform reverse heat exchange with the wind flow direction, the temperature of the top part is highest, air is heated, the air can naturally float upwards in a convection manner according to the low density of hot air, the air at the bottom part is driven to circularly operate, and the reverse heat exchange design is formed with the air entering from the bottom part, so that the heat exchange efficiency is ensured.

4. According to the utility model, the stop block is arranged between the condenser and the condensation air channel, so that cold air entering the external condensation air channel module without the fan is prevented from generating short circuit in the operation process, is fully contacted with the refrigeration pipeline, and efficiently exchanges heat.

5. According to the utility model, the top air outlet is of a microporous structure comprising a plurality of micropores, so that the top air outlet can be prevented from being blocked by dust in a large area, the reliability is ensured, meanwhile, the probability of being blocked by dust is lower due to the design of the side air outlet, the minimum air outlet area is ensured by combining the top air outlet and the side air outlet, and the requirement of efficient heat dissipation design of a fan-free external condensation air channel module is met.

6. According to the utility model, the problem of user complaint caused by high noise of the condensing fan for the external condensing module of the existing refrigerator is solved through the fan-free external condensing air channel module, the technical scheme of realizing efficient heat dissipation of the condensing module without the condensing fan is considered, and the whole machine still meets the design requirement of a set energy efficiency index under the low-noise design condition of the large-volume air-cooled refrigerator.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fan-less condensation duct module for a refrigerator according to the present invention;

FIG. 2 is a schematic view of an assembly structure of a fan-free condensation air duct module and the back of the whole machine;

in the drawings, the components represented by the respective reference numerals are listed below:

1-condenser, 2-condensation air duct, 3-sealing material, 4-air inlet, 5-side air outlet, 6-top air outlet, 7-micropore, 8-fan-free external condensation air duct module, 9-refrigerator back panel, 10-compressor, 11-evaporation tube, 12-water pan, 13-in-box pipeline and 14-baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-2, the present invention relates to a fan-less condensation air duct module for a refrigerator, which comprises a fan-less external condensation air duct module 8; the height of the fan-free condensation air duct module is not less than 500mm, the thickness of the fan-free condensation air duct module is 10-15 mm, and under the design height, the high efficiency of the chimney effect of the air duct can be ensured, the air circulation speed is accelerated, and the high-efficiency heat dissipation requirement of the condenser 1 can be still met under the forced turbulence action of the fan; the fan-free external condensation air channel module 8 comprises a condenser 1, wherein a refrigerant flows in the condenser 1; the refrigerant flows through the compressor 10, the evaporation pipe 11 in the water pan 12, the condenser 1 and the in-tank pipeline 13 in sequence, so that the whole refrigeration cycle system is formed; the high-temperature refrigerant runs in the whole machine refrigeration cycle, generally passes through a compressor 10 and an evaporation tube 11 in a water pan 12, enters an inlet of a condenser 1, and then is connected with a condensation preventing tube of a box body, a capillary tube and an evaporator pipeline after coming out from an outlet of the condenser 1; the in-tank pipeline 13 comprises a box body condensation preventing pipe, a capillary pipe and an evaporator pipeline which are connected; the condensation air duct 2 is arranged on the refrigerator back plate 9 or in the refrigerator back groove structure, and if the requirement of the refrigerator depth is considered, the structural scheme of the refrigerator back groove is mainly pushed; sealing sponges are arranged around the condensation air duct 2 in the fan-free external condensation air duct module 8, the sealing sponges are in full contact and sealing with the fixed surface of the condensation air duct 2, the sealing sponges are arranged in a groove in the back of the refrigerator and are fixed through screws and the like, and the full design requirement of pressing is met; the condenser 1 is arranged in the condensing air duct 2; the air inlet 4 is formed in one end of the condensation air duct 2; the air outlet is arranged at the other end of the condensation air duct 2; the external condensation air channel module without the fan, which is provided by the application, removes the condensation fan, adopts a scheme of heat convection and efficient heat exchange, has a simple structure, low cost and low noise, and improves the market competitiveness of the whole refrigerator and the use satisfaction degree of users; according to the air condensing device, heat pressure difference is formed according to the difference of hot air density of the condenser, and air can rise upwards along a space with a vertical slope, so that accelerated natural convection of the air in the condensing air channel is promoted. The larger the temperature difference between the inside and the outside of the air duct and the height difference between the air inlet and the air outlet, the more obvious the hot pressing effect is, and the better the condensation heat exchange effect is.

Referring to fig. 1, the refrigerant is in an up-down type, and the refrigerant inlet section is located at the top of the condensation duct 2; in the running process of the whole machine, the high-temperature refrigerant directly reaches the top of the fan-free external condensation air channel module 8 along the left pipeline and then flows out of the condenser 1 from top to bottom along the S-shaped pipeline; in the flowing state of the refrigerant, the condensation air duct 2 is vertically arranged, the temperature of the top is highest, air is heated, natural convection floats upwards according to the low density of hot air, the air at the bottom is driven to circularly operate, and a reverse heat exchange design is formed with the air entering from the bottom, so that the high efficiency of heat exchange is ensured; the air inlet 4 and the air outlet are respectively positioned at the bottom end and the top end of the condensation air duct 2, and the air flow direction is opposite to the flow direction of the refrigerant; the refrigerant and the wind flow are adopted for reverse heat exchange, so that the high efficiency and effectiveness of heat exchange are ensured, and the pipeline of the condenser 1 in the fan-free external condensation air channel module 8 is of an S-shaped structure.

Referring to fig. 1, a plurality of stoppers 14 are disposed between the condenser 1 and the condensing duct 2 to ensure that the cold air entering the external condensing duct module 8 of the blower does not short-circuit during operation, and is fully contacted with the cooling duct to exchange heat efficiently.

Example two

On the basis of the first embodiment, please refer to fig. 1, the pipeline of the condenser 1 is of an S-shaped structure; the pipeline of the condenser 1 is a copper pipe, an aluminum pipe or a micro-channel pipe; the pipeline of the condenser 1 adopts a micro-channel, a rotary fin type or a fin type fin.

Referring to fig. 1, the condensing duct 2 is a concave structure; sealing materials 3 sealed with the fixed surface of the condensation air duct 2 are arranged around the condensation air duct 2; the sealing material 3 is a sealing sponge.

EXAMPLE III

On the basis of the second embodiment, please refer to fig. 1, the air outlet includes a top air outlet 6 disposed at the upper end of the condensation air duct 2; the top air outlet 6 is a microporous structure comprising a plurality of micropores 7, the microporous structure can ensure that the top air outlet 6 is not blocked by dust in a large area, the reliability is ensured, the design of the side air outlet 5 is lower in probability of being blocked by dust, the minimum air outlet area is ensured by combining the top air outlet and the side air outlet, and the design requirement of efficient heat dissipation of the external condensation air channel module 8 of the fan is met.

As shown in fig. 1, the air outlet further includes a plurality of side air outlets 5 disposed at two sides of the top air outlet 6, so as to ensure that the top air outlet 6 is not blocked due to a large amount of dust accumulated on the upper portion of the external condensation air duct module 8 of the blower during use, and the design of top air outlet and side air outlet is adopted.

In summary, the external condensation air duct module 8 without the fan solves the problem that the noise of the condensation fan for the external condensation module of the existing refrigerator is higher to cause complaints of users, considers the technical scheme of how to realize the efficient heat dissipation of the condensation module without the condensation fan, and ensures that the whole machine still meets the design requirements of set energy efficiency indexes under the low-noise design condition of the large-volume air-cooled refrigerator.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand the utility model for and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fan-free condensation air channel module for a refrigerator comprises a fan-free external condensation air channel module (8); the external condensation air duct module (8) without the fan is characterized by comprising:

a condenser (1) in which a refrigerant flows in the condenser (1); the refrigerant flows through a compressor (10), an evaporation pipe (11) in a water pan (12), a condenser (1) and an in-tank pipeline (13) in sequence, so that the whole refrigeration cycle system is formed;

the condensation air duct (2) is arranged on the refrigerator rear back plate (9) or in the refrigerator rear groove structure; the condenser (1) is arranged in the condensing air duct (2);

the air inlet (4), the said air inlet (4) is set up in one end of the condensation air channel (2);

and the air outlet is arranged at the other end of the condensation air duct (2).

2. The fan-free condensation air duct module for the refrigerator as claimed in claim 1, wherein the refrigerant is of an up-down type, and the refrigerant inlet section is positioned at the top of the condensation air duct (2);

the air inlet (4) and the air outlet are respectively positioned at the bottom end and the top end of the condensation air duct (2), and the air flow direction of the air inlet is opposite to the flow direction of the refrigerant.

3. The blower-free condensation duct module for the refrigerator as claimed in claim 1, wherein the condenser (1) duct is of an S-shaped structure; the pipeline of the condenser (1) is a copper pipe, an aluminum pipe or a micro-channel pipe;

the pipeline of the condenser (1) adopts a micro-channel, a rotary fin type or a fin type fin.

4. The fan-less condensation air duct module for the refrigerator according to claim 1 or 3, characterized in that a plurality of stoppers (14) are arranged between the condenser (1) and the condensation air duct (2).

5. The fan-less condensation duct module for a refrigerator according to claim 1, wherein the condensation duct (2) has a concave structure;

and sealing materials (3) sealed with the fixing surface of the condensation air duct (2) are arranged on the periphery of the condensation air duct (2).

6. The blower-free condensation duct module for a refrigerator according to claim 5, wherein the sealing material (3) is a sealing sponge.

7. The fan-less condensation air duct module for the refrigerator according to claim 1, wherein the air outlet comprises a top air outlet (6) disposed at an upper end of the condensation air duct (2).

8. The blower-free condensation air duct module for the refrigerator as claimed in claim 7, wherein the top air outlet (6) is a microporous structure comprising a plurality of micropores (7).

9. The blower-free condensation air duct module for the refrigerator according to claim 1, 7 or 8, wherein the air outlet further comprises a plurality of side air outlets (5) disposed at both sides of the top air outlet (6).

10. The fan-free condensation air duct module for the refrigerator as claimed in claim 1, wherein the height of the fan-free condensation air duct module is not less than 500mm, and the thickness of the fan-free condensation air duct module is 10-15 mm.