CN219120865U - Refrigerator mechanical chamber and refrigerator - Google Patents

Abstract

The utility model belongs to the technical field of refrigeration equipment, and particularly relates to a refrigerator mechanical chamber and a refrigerator. A fan is arranged in the refrigerator mechanical chamber; the fan comprises a first fan part and a second fan part which are sequentially arranged along the airflow direction, and the rotation directions of the first fan part and the second fan part are opposite. According to the refrigerator mechanical chamber, the fans are arranged in the refrigerator mechanical chamber, and are the first fan part and the second fan part which are sequentially arranged along the air flow direction, and the rotation directions of the first fan part and the second fan part are opposite, so that the second fan part positioned downstream in the air direction can utilize the kinetic energy of the first fan part positioned upstream, or the first fan part positioned downstream in the air direction can utilize the kinetic energy of the second fan part positioned upstream, the efficiency of the fans is improved, and larger air quantity is brought to the refrigerator.

Description

Refrigerator mechanical chamber and refrigerator

Technical Field

The utility model belongs to the technical field of refrigeration equipment, and particularly relates to a refrigerator mechanical chamber and a refrigerator.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

The refrigerator in the prior art is provided with a refrigerator mechanical chamber, the condenser and the fan are arranged in the refrigerator mechanical chamber, the condenser is cooled through the fan, however, the fan in the prior art is low in efficiency, and the wind power requirement cannot be met.

Disclosure of Invention

The utility model aims to at least solve the problem of low efficiency of a fan in a mechanical chamber of a refrigerator in the prior art. The aim is achieved by the following technical scheme:

the first aspect of the utility model provides a refrigerator mechanical chamber, wherein a fan is arranged in the refrigerator mechanical chamber;

the fan comprises a first fan part and a second fan part which are sequentially arranged along the airflow direction, and the rotation directions of the first fan part and the second fan part are opposite.

According to the refrigerator mechanical chamber, the fan is arranged in the refrigerator mechanical chamber, and the fan is arranged to be the first fan part and the second fan part which are sequentially arranged along the airflow direction, so that the rotation directions of the first fan part and the second fan part are opposite, the second fan part which is positioned at the downstream of the wind direction can use the kinetic energy of the first fan part which is positioned at the upstream, or the first fan part which is positioned at the downstream of the wind direction can use the kinetic energy of the second fan part which is positioned at the upstream, the efficiency of the fan is improved, and larger air quantity is brought to the refrigerator.

In addition, the refrigerator machinery chamber according to the present utility model may have the following additional technical features:

in some embodiments of the utility model, the fan further comprises a motor provided with two output shafts connected to the first fan section and the second fan section, respectively.

In some embodiments of the present utility model, the fan further includes a motor, and the motor is provided with two output shafts, and the two output shafts are respectively connected with the first fan part and the second fan part, and respectively drive the first fan part and the second fan part to work.

In some embodiments of the utility model, the fan further comprises a motor and a gear box, the motor being connected to the gear box, the gear box being provided with two output shafts, the two output shafts being connected to the first fan section and the second fan section, respectively.

A second aspect of the present utility model proposes a refrigerator comprising a refrigerator machinery chamber as mentioned in the above embodiments.

According to the refrigerator, the structure of the mechanical chamber of the refrigerator is improved, the fan is arranged in the mechanical chamber of the refrigerator, the fan comprises the first fan part and the second fan part which are arranged side by side, the rotation directions of the first fan part and the second fan part are opposite, the second fan part which is positioned at the downstream of the wind direction can use the kinetic energy of the first fan part which is positioned at the upstream, or the first fan part which is positioned at the downstream of the wind direction can use the kinetic energy of the second fan part which is positioned at the upstream, so that the efficiency of the fan is improved, and larger air quantity is brought to the refrigerator.

In addition, the refrigerator according to the present utility model may have the following additional technical features:

in some embodiments of the utility model, the refrigerator further comprises:

the condenser is arranged in the refrigerator mechanical chamber, and the condenser is arranged on the air inlet side or the air outlet side of the fan.

In some embodiments of the utility model, a condensing air duct is disposed between the fan and the condenser.

In some embodiments of the present utility model, the blower is provided with a first air port and a second air port that are in communication with each other, and the blower has a first state in which air is blown from the first air port and air is returned from the second air port, and a second state in which air is returned from the first air port and air is blown from the second air port;

the condenser is arranged at the first air port.

In some embodiments of the utility model, the difference between the cross-sectional area of the condenser and the cross-sectional area of the blower in a direction perpendicular to the air flow is less than a preset value, the blower being in the second state.

In some embodiments of the utility model, the difference between the cross-sectional area of the condenser and the cross-sectional area of the blower in a direction perpendicular to the air flow is greater than or equal to the preset value, the blower being in the first state.

In some embodiments of the utility model, the refrigerator further comprises an air inlet and outlet plate, and the air inlet and the air outlet are arranged on the air inlet and outlet plate;

the air inlet and the air outlet are communicated with at least one of the first air outlet and the second air outlet.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 schematically illustrates an overall structure of a refrigerator according to an embodiment of the present utility model;

fig. 2 is an exploded structural view of the refrigerator shown in fig. 1;

fig. 3 is a schematic structural view of a mechanical compartment of the refrigerator shown in fig. 2;

fig. 4 is a schematic view of a refrigerator machinery chamber shown in fig. 3 at a second view angle;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic view of an internal structure of the mechanical compartment of the refrigerator shown in fig. 3.

The reference numerals are as follows:

a refrigerator 100;

a refrigeration door body 1, a freezing door body 2, a refrigerator liner 3, a refrigerator shell 4, a back plate 5 and a refrigerator mechanical chamber 6;

a case bottom plate 61, a bottom beam 6101, a first roller mounting plate 6102;

a first side plate 6201, a second side plate 6202;

a rear cover 63;

compressor base plate 6401, air inlet and outlet plate 6402;

an electric control box 65, a wire harness port 6501;

a water receiving box 6601, a first drain pipe 6602, a drain pipe upper interface 6603;

a condenser 6701, a condensing duct 6702, a fan 6703, a first fan portion 67031, a second fan portion 67032, and a motor 67033;

a weather strip assembly 68; a compressor 69.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 to 5, according to a first aspect of an embodiment of the present utility model, a refrigerator is proposed, as shown in fig. 1 and 2, fig. 1 schematically shows an overall structural schematic of a refrigerator 100 according to an embodiment of the present utility model, and fig. 2 is an exploded structural schematic of the refrigerator 100 shown in fig. 1. The refrigerator 100 further comprises a refrigeration door body 1, a freezing door body 2, a container 3, a container shell 4 and a back plate 5, the refrigeration door body 1 and a refrigerator mechanical chamber 6, wherein the refrigeration door body 1 is positioned at the upper part of the freezing door body 2, and these components are common components of the refrigerator 100, and can be connected with reference to refrigeration equipment in the prior art, and the interconnection relationship between these components is not described herein.

According to a second aspect of the embodiment of the present utility model, a refrigerator machinery chamber 6 is proposed, the refrigerator machinery chamber 6 including a cabinet base plate 61, a first side plate 6201, a back cover plate 63, a compressor base plate 6401, and a second side plate 6202; the case bottom plate 61, the rear cover plate 63, the first side plate 6201, the second side plate 6202 and the compressor bottom plate 6401 are surrounded to form a compressor compartment; the first side plate 6201 is connected to the left end of the back cover 63, and the second side plate 6202 is connected to the right end of the back cover 63; the electric control box 65 is disposed in the compressor compartment, wherein the bottom plate 61 of the box is a curved plate, the first side plate 6201, the second side plate 6202, the bottom plate 6401 and the rear cover 63 are all flat plates, and the fan 6703, the condenser 6701 and the compressor 69 are all disposed in the compressor compartment.

As shown in fig. 3, 4 and 5, fig. 3 is a schematic structural view of the refrigerator machinery chamber 6 shown in fig. 2, fig. 4 is a schematic structural view of the refrigerator machinery chamber 6 shown in fig. 3 at a second viewing angle, and fig. 5 is a partially enlarged view at a in fig. 4. The fan 6703 includes a first fan portion 67031 and a second fan portion 67032 that are disposed in order in the air flow direction, and the first fan portion 67031 and the second fan portion 67032 are rotated in opposite directions.

According to the refrigerator machinery chamber 6 of the present utility model, by providing the fan 6703 inside the refrigerator machinery chamber 6 and including the first fan portion 67031 and the second fan portion 67032 which are sequentially provided in the air flow direction and the rotation directions of the first fan portion 67031 and the second fan portion 67032 are opposite, the second fan portion 67032 downstream in the air direction can be made to use the kinetic energy of the first fan portion 67031 upstream or the first fan portion 67031 downstream in the air direction can be made to use the kinetic energy of the second fan portion 67032 upstream, improving the efficiency of the fans, and giving the refrigerator 100 a larger air volume.

Here, the first fan portion 67031 and the second fan portion 67032 are disposed in order along the wind direction, but considering that the fan 6703 has both the blowing and the suction modes of operation, the wind flow direction between the first fan portion 67031 and the second fan portion 67032 is opposite when the fan 6703 is in different modes of operation.

The rotation directions of the first fan portion 67031 and the second fan portion 67032 are opposite, and based on the rotation directions of the two, the rotation direction of the second fan portion 67032 is clockwise when the first fan portion 67031 is rotated counterclockwise, and the rotation direction of the second fan portion 67032 is counterclockwise when the first fan portion 67031 is rotated clockwise. The clockwise and the anticlockwise are opposite, and the rotation direction can be judged to be anticlockwise or clockwise according to the position of the user.

In some embodiments of the utility model, the fan 6703 further includes a motor 67033, the motor 67033 being provided with two output shafts, one of which is connected to the first fan portion 67031 and the other of which is connected to the second fan portion 67032. By the arrangement mode, one motor can drive the first fan part 67031 and the second fan part 67032 to work simultaneously, and cost is reduced. Compared with a single fan in the prior art, the fan 6703 can drive the first fan part 67031 and the second fan part 67032 to work simultaneously by adopting one motor, so that the cost is reduced, the pneumatic efficiency is better, the lower rotating speed or smaller size can be used under the same air quantity, and the noise is lower.

Of course, two motors 67033 can be used to drive the first fan portion 67031 and the second fan portion 67032, respectively. In this mode, the fan 6703 further includes two motors 67033, the output shafts of the two motors 67033 are respectively connected to the first fan portion 67031 and the second fan portion 67032, and respective control of the first fan portion 67031 and the second fan portion 67032 can be achieved by the two motors 67033.

As shown in fig. 6, fig. 6 is a schematic view of the internal structure of the refrigerator machinery chamber 6 shown in fig. 3, and the number of motors 67033 is two, and are connected to the first fan portion 67031 and the second fan portion 67032, respectively.

Of course, the fan 6703 further includes a motor 67033 and a gear box (not shown), the motor 67033 is connected to the gear box, the gear box is provided with two output shafts, and the two output shafts are respectively connected to the first fan portion 67031 and the second fan portion 67032, and this structure can also realize that one motor drives the first fan portion 67031 and the second fan portion 67032 to operate at the same time.

In some embodiments of the utility model, the refrigerator 100 further includes a condenser 6701, the condenser 6701 being disposed within the refrigerator machinery chamber 6, and the condenser 6701 being disposed proximate one of the air intake side and the air outlet side of the fan 6703.

Here, the condenser 6701 is disposed near one side of the fan 6703, and the heat of the condenser 6701 can be dissipated by the wind power generated by the fan 6703, where the fan 6703 has two working modes, i.e., an induced draft mode and a blowing mode, and the heat dissipation of the condenser 6701 can be achieved.

In some embodiments of the present utility model, a condensation duct 6702 is disposed between the fan 6703 and the condenser 6701, the condensation duct 6702 is formed by a structure surrounded by a housing, the shape of the condensation duct 6702 is consistent with the shape of the fan 6703 and the shape of the condenser 6701 in the direction perpendicular to the airflow, and the dimensions can be the same or different, in this way, the housing can be conveniently processed and installed, the condensation duct 6702 can be quickly formed, and by disposing the condensation duct 6702, the wind force between the fan 6703 and the condenser 6701 can be conveniently conveyed, so as to avoid the loss of wind.

In the refrigerator machinery chamber 6 of the present utility model, by providing the closed condensation duct 6702 between the fan 6703 and the condenser 6701, wind power diffusion can be prevented by means of the condensation duct 6702, thereby improving heat dissipation efficiency to the condenser 6701.

In some embodiments of the present utility model, the fan 6703 is provided with a first air port and a second air port that are communicated with each other, and the fan 6703 has a first state in which air is blown from the first air port and air is returned from the second air port, and a second state in which air is returned from the first air port and air is blown from the second air port, and the condenser is provided at the first air port.

In the present utility model, the condenser 6701 is located at the left side of the first tuyere, and the fan 6703 is in the first state, that is, the fan 6703 is in the blowing mode, and in the blowing mode, the air flow passes through the fan 6703 first and then passes through the condenser 6701. Conversely, the fan 6703 is in the second state, that is, the fan 6703 is in the air suction mode, in which the air flow first passes through the condenser 6701 and then through the fan 6703. The fan 6703 is an axial flow fan, and can be a disrotatory axial flow fan, so that the downstream fan can utilize the tangential speed of the upstream fan, the kinetic energy wasted by the monopole axial flow fan in the prior art is recovered, the overall pneumatic efficiency of the disrotatory axial flow fan can be improved, and the compression resistance is stronger.

In alternative embodiments, the difference between the cross-sectional area of the condenser 6701 and the cross-sectional area of the fan 6703 in the direction perpendicular to the air flow is less than a predetermined value, that is, when the difference between the cross-sectional area of the condenser 6701 and the cross-sectional area of the fan 6703 is relatively small, the fan 6703 is in the second state, and the air blowing mode is adopted, and of course, the air suction mode may be adopted in this state.

The preset value may be a specific numerical value or a range of values, and may be an absolute value of the difference, or may be a ratio of the difference, for example, the preset value may be 20%, or may be a ratio of the difference such as 25%, or may be a specific square millimeter, for example, a difference such as 15 square millimeters, or 20 square millimeters, and specific data may be set differently according to the type of the refrigerator 100, for example, the preset value of the difference between the cross-sectional area of the fan 6703 and the cross-sectional area of the condenser 6701 is 20% for a certain type of refrigerator, and the preset value of the difference between the cross-sectional area of the fan 6703 and the cross-sectional area of the condenser 6701 is 22% for another type of refrigerator.

In alternative embodiments, the difference between the cross-sectional area of the condenser 6701 and the cross-sectional area of the fan 6703 in the direction perpendicular to the air flow is greater than or equal to a predetermined value, that is, when the difference between the cross-sectional area of the condenser 6701 and the cross-sectional area of the fan 6703 is relatively large, the fan 6703 is in the first state, and the fan 6703 is in the first state.

In the structure of the refrigerator 100, the cross-sectional area of the condenser 6701 is generally larger than that of the blower 6703, and thus, the above-mentioned differences are positive numbers.

Optionally, the refrigerator 100 further includes an air inlet/outlet plate 6402, and an air inlet and an air outlet are both disposed on the air inlet/outlet plate 6402 for implementing air inlet and air outlet.

In some alternative embodiments, the refrigerator 100 further includes a bottom beam 6101, the bottom beam 6101 is connected to one side of the air inlet/outlet plate 6402, and a first roller mounting plate 6102 and a first roller are disposed at the bottom of the bottom beam 6101, and a second roller mounting plate and a second roller are symmetrically disposed at the bottom of the bottom beam 6101, so as to facilitate movement of the refrigerator 100.

In alternative embodiments, the bottom plate 61 of the box body is provided with a wire harness port 6501, and after the wire harness inside the electric control box 65 extends out of the electric control box 65, the wire harness passes out of the mechanical refrigerator chamber 6 through the wire harness port 6501 to connect with various electric devices inside the refrigerator 100.

In alternative embodiments, the refrigerator 100 further includes a water receiving box 6601 and a first drain pipe 6602, the first drain pipe 6602 being connected above the drain pipe upper mouthpiece 6603, the water being drained through the first drain pipe 6602.

In addition, regarding the refrigerator 100 of the present utility model, the air inlet is located at a side of the air inlet/outlet plate 6402 near the first side plate 6201, the air outlet is located at a side near the second side plate 6202, that is, the air inlet is located at a left side of the air inlet/outlet plate 6402, and the air outlet is located at a right side of the air inlet/outlet plate 6402.

After entering from the air inlet, the air enters the refrigerator 100 and flows through the electric control box 65, the water receiving box 6601, the condenser 6701, the condensation air duct 6702, the fan 6703 and the compressor 69, and then flows out from the air outlet to realize heat dissipation, and of course, the mode is in a state of an air suction mode aiming at the fan 6703.

When the fan 6703 is in the blowing mode, the air flows out from the position of the fan 6703, then flows through the condensing duct 6702 and the condenser 6701, and then flows out from the position of the air outlet.

In some alternative embodiments, the refrigerator 100 further includes a weather strip assembly 68, and the weather strip assembly 68 is disposed below the middle of the cabinet base 61 to divide the space between the cabinet base 61 and the ground into a left portion and a right portion, thereby achieving a weather effect.

The weather strip assembly 68 is of a flexible structure, and the bottom of the weather strip assembly 68 contacts the ground, so that the weather strip assembly is completely isolated, flexible and easy to deform, and can not generate a blocking feeling when the refrigerator 100 is pushed to move, so that the weather strip assembly is more convenient to move.

The refrigerator mechanical chamber 6 has the advantages of small whole volume of the compressor bin, compact structure, heat dissipation at the bottom and high heat dissipation efficiency, can be embedded into a cabinet, and can meet the heat dissipation requirement of the refrigerator without gaps between the back and the two sides and the wall.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (11)

1. The refrigerator mechanical chamber is characterized in that a fan is arranged in the refrigerator mechanical chamber;

the fan comprises a first fan part and a second fan part which are sequentially arranged along the airflow direction, and the rotation directions of the first fan part and the second fan part are opposite.

2. The refrigerator machinery chamber of claim 1, wherein said fan further comprises a motor, said motor is provided with two output shafts, said two output shafts are respectively connected with said first fan section and said second fan section, and respectively drive said first fan section and said second fan section to operate.

3. The refrigerator machinery chamber of claim 1, wherein said fan further comprises two motors, output shafts of said two motors being connected to said first fan section and said second fan section, respectively.

4. The refrigerator machinery chamber of claim 1, wherein said fan further comprises a motor and a gear box, said motor being connected to said gear box, said gear box being provided with two output shafts, said two output shafts being connected to said first fan section and said second fan section, respectively.

5. A refrigerator, comprising:

the refrigerator machinery chamber of any one of claims 1 to 4.

6. The refrigerator of claim 5, further comprising:

the condenser is arranged in the refrigerator mechanical chamber, and the condenser is arranged on the air inlet side or the air outlet side of the fan.

7. The refrigerator of claim 6, wherein a condensing duct is provided between the blower and the condenser.

8. The refrigerator of claim 6, wherein the blower is provided with a first air port and a second air port which are communicated with each other, and the blower has a first state of being air-out from the first air port and air-back from the second air port, and a second state of being air-back from the first air port and air-out from the second air port;

the condenser is arranged at the first air port.

9. The refrigerator of claim 8, wherein the blower is in the second state when a difference between a cross-sectional area of the condenser and a cross-sectional area of the blower in a direction perpendicular to an air flow is less than a preset value.

10. The refrigerator of claim 9, wherein the blower is in the first state when a difference between a cross-sectional area of the condenser and a cross-sectional area of the blower in a direction perpendicular to an air flow is equal to or greater than the preset value.

11. The refrigerator of claim 8, further comprising an air inlet and outlet plate, wherein both an air inlet and an air outlet are disposed on the air inlet and outlet plate;

the air inlet and the air outlet are communicated with at least one of the first air outlet and the second air outlet.

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