CN218544953U - Refrigeration device - Google Patents

Abstract

The utility model relates to the technical field of refrigeration equipment, and provides refrigeration equipment, which comprises a cabinet body, an evaporator and an air supply part; the cabinet body constructs a first compartment, a second compartment and a fourth compartment, and the second compartment and the fourth compartment are positioned at two adjacent sides of the first compartment; the evaporator is positioned in the heat exchange air duct at the outer side of the first compartment; the air supply component is located on the outer side of the first chamber and is provided with an air inlet, a first air outlet, a second air outlet and a third air outlet, the first air outlet is communicated with the first chamber through a first air channel, the second air outlet is communicated with the second chamber through a first air supply air channel, the second air outlet faces the side of the second chamber, and the third air outlet is communicated with the fourth chamber through a second air channel. The utility model provides a refrigeration plant, single evaporimeter supply with cold volume to a plurality of compartments, simplify refrigerating system's structure, and air supply component combines the air supply wind channel, can optimize the air supply route to the direction air supply of difference, optimizes air supply efficiency and cold volume utilization ratio.

Description

Refrigeration device

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a refrigeration plant.

Background

The refrigeration equipment comprises various types such as a refrigerator, a freezer, a vending cabinet, a display cabinet and the like, the refrigerator in a family is widely applied, different users need different forms of refrigerators, and the refrigerator can be divided into a single-door type refrigerator, a double-door type refrigerator, a triple-door type refrigerator, a multi-door type refrigerator and the like according to the number of refrigerator doors.

Taking a multi-door multi-chamber refrigerator as an example, the refrigerator is generally provided with a plurality of evaporators, the on-off of each evaporator and a compressor is controlled by an electromagnetic valve, and a plurality of air duct systems are required to be arranged, so that the structure is complex, and the product manufacturing and assembling efficiency is low. The multiple sets of air duct systems and the multiple evaporators occupy the space of the refrigerator, and the volume ratio of the refrigerator is low; in the process of opening and closing the refrigeration cycle, the number of parts to be regulated is large, such as a large load, a large number of electric valves and a large number of sensors, so that a control system is complex, the size of a main board is large, the cost is high, the regulation and the control are complex in the refrigeration quantity supply process, and the manufacturing and assembling efficiency of products is low.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the technical problems existing in the related art. Therefore, the utility model provides a refrigeration plant, single evaporimeter is to a plurality of compartments supply with cold volume, simplifies refrigeration system's structure, and air supply component combines the air supply wind channel, can optimize the air supply route, optimizes air supply efficiency and cold volume utilization ratio for compartment homoenergetic among the whole refrigeration plant keeps at the settlement temperature, satisfies whole refrigeration plant's cooling demand.

According to the utility model discloses refrigeration plant, include:

the cabinet body is used for constructing a first compartment, a second compartment and a fourth compartment, and the second compartment and the fourth compartment are positioned at two adjacent sides of the first compartment;

the evaporator is positioned in the heat exchange air channel outside the first chamber;

and the air supply part is positioned on the outer side of the first chamber and is provided with an air inlet, a first air outlet, a second air outlet and a third air outlet, the first air outlet is communicated with the first chamber through a first air duct, the second air outlet is communicated with the second chamber through a first air supply air duct, the second air outlet faces the second chamber, and the third air outlet is communicated with the fourth chamber through a second air duct.

According to the utility model discloses refrigeration plant, including the cabinet body, evaporimeter and air supply part, cold volume is supplied with to a plurality of compartments to evaporimeters by an evaporimeter of accessible, for the refrigeration plant of single evaporimeter, for the refrigeration plant of a plurality of evaporimeters, the governing valve of refrigerant flow direction in the reducible regulation and control evaporimeter simplifies refrigeration system's structure, simplifies refrigeration system's control logic. Cold volume is supplied with to the compartment of different positions through the air supply part, and the air supply part can supply air to the direction of difference, combines air supply duct again, can optimize the air supply route, helps promoting cold volume utilization ratio, can supply air to a plurality of directions of the internal cabinet for compartment homoenergetic among the whole refrigeration plant keeps setting for the temperature, satisfies whole refrigeration plant's cooling demand.

According to the utility model discloses an embodiment, the second air outlet is connected and is suitable for the break-make to adjust first air supply wind channel and second air supply wind channel, second room and third room setting are in the homonymy of first room, first air supply wind channel with second room intercommunication, second air supply wind channel with third room intercommunication.

According to the utility model discloses an embodiment, the heat transfer return air inlet and the return air pipeline intercommunication in heat transfer wind channel, the return air pipeline intercommunication the second return air inlet of second compartment with the third return air inlet of third compartment.

According to the utility model discloses an embodiment, the third compartment is located the below of second compartment, the space of third compartment with the heat transfer return air inlet intercommunication in heat transfer wind channel, heat transfer return air inlet and return air pipeline intercommunication, return air pipeline be provided with the second return air inlet of second compartment intercommunication, return air pipeline passes through the space of third compartment with heat transfer return air inlet intercommunication.

According to the utility model discloses an embodiment, the heat transfer wind channel with be provided with backward flow part between the third room, backward flow part is constructed the heat transfer return air inlet, the backward flow passageway of backward flow part is followed the third room to the direction slant downwardly sloping of first room.

According to the utility model discloses an embodiment, the second air outlet is connected with and divides the wind part, divide the wind part to be provided with the first air door and the second air door that are suitable for the break-make to adjust, first air door connect in the second air outlet with between the first air supply wind channel, the second air door connect in the second air outlet with the second air supply wind channel.

According to the utility model discloses an embodiment, the air supply part is provided with the fender portion, the fender portion is located first air outlet with between the second air outlet, the fender portion with the first air-out direction of first air outlet forms first contained angle, the fender portion with the second air-out direction of second air outlet forms the second contained angle.

According to the utility model discloses an embodiment, the air supply part includes front panel and back wallboard, the back wallboard connect in the case courage of the cabinet body is inboard, the front panel lid is located the inboard of back wallboard, back wallboard installation centrifugal fan is provided with baffle portion, the front panel with form the air supply space between the back wallboard and the air intake first air outlet the second air outlet with the third air outlet.

According to the utility model discloses an embodiment, the second compartment is located the left side or the right side of first compartment, the fourth compartment is located the top or the below of first compartment, the second air outlet with the third air outlet all faces the side at second compartment, the third air outlet pass through the second wind channel with fourth compartment intercommunication.

According to an embodiment of the present invention, the cabinet body is provided with a first door body and a second door body, the first door body is adapted to open and close the first compartment, and the second door body is adapted to open and close the second compartment; the fourth chamber is opened and closed by drawing and opening the drawer, or the fourth chamber is opened and closed by a third door body.

According to the utility model discloses an embodiment, first compartment is freezing compartment, the second compartment is cold-stored compartment, the third compartment is the alternating temperature compartment, the fourth compartment is the alternating temperature compartment.

According to the utility model discloses an embodiment, first air outlet is located first compartment, first air outlet communicates with the first wind channel towards the top, the third air outlet orientation the second compartment, the third air outlet communicates with the second wind channel towards the below.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

FIG. 1 is a schematic diagram of a prior art refrigeration unit; in the figure, an evaporator and a fan are arranged on the left side and the right side of the refrigeration equipment;

fig. 2 is a schematic front view of a refrigeration apparatus provided in an embodiment of the present invention, and mainly illustrates a relative position relationship of each air duct;

FIG. 3 isbase:Sub>A schematic cross-sectional view of A-A in FIG. 2;

fig. 4 is a schematic front view of a refrigeration apparatus according to an embodiment of the present invention, which mainly illustrates a relative position relationship between the compartments.

Reference numerals:

1. an evaporator; 2. a fan.

100. A cabinet body; 110. a partition portion; 120. a first compartment; 130. a second compartment; 140. a third compartment; 150. a fourth compartment; 160. a compartment divider; 200. an evaporator; 300. a wind feeding member; 320. a first air outlet; 330. a second air outlet; 340. a barrier portion; 341. a first side surface; 342. a second side surface; 350. a third air outlet; 410. a first air duct plate; 411. a first air supply outlet; 420. a second air duct plate; 421. a second air supply outlet; 430. a third air duct plate; 431. a third air supply outlet; 440. a fourth air duct plate; 450. an air return duct; 460. a second air duct; 510. a second air return inlet; 520. a third air return inlet; 600. a reflow member; 610. a heat exchange air return inlet; 700. a centrifugal fan; 800. a wind-dividing component.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Before explaining the embodiments of the present invention, referring to fig. 1, a refrigeration device in the related art is explained, a freezing chamber is provided on the left side of the refrigeration device, a cold storage chamber is provided on the right side, a third chamber is provided below the refrigeration chamber, evaporators 1 are provided corresponding to the freezing chamber, the cold storage chamber and the third chamber, each evaporator 1 is at least provided with a fan 2, so as to realize the flow of cold air, and the cooling of the freezing chamber, the cold storage chamber and the third chamber. In fig. 1, the refrigeration equipment is provided with three evaporators 1, the pipeline and control mode of the refrigeration system are complex, and the evaporator 1 occupies a large space of the refrigeration equipment, which affects the space utilization rate of the refrigeration equipment.

An embodiment of the utility model provides a refrigeration plant, include: the refrigerator comprises a cabinet body 100, an evaporator 200 and a blowing component 300, wherein the cabinet body constructs a first compartment 120, a second compartment 130 and a fourth compartment 150, and the second compartment 130 and the fourth compartment 150 are positioned at two adjacent sides of the first compartment 120; the evaporator 200 is positioned in the heat exchange air duct outside the first compartment 120; the air supply component 300 is located outside the first compartment 120, the air supply component 300 is provided with an air inlet, a first air outlet 320, a second air outlet 330 and a third air outlet 350, the first air outlet 320 is communicated with the first compartment 120 through a first air duct, the second air outlet 330 is communicated with the second compartment 130 through a first air supply duct, the second air outlet 330 faces the side of the second compartment 130, and the third air outlet 350 is communicated with the fourth compartment 150 through a second air duct.

The evaporator 200 exchanges heat with the circulating air in the heat exchange air ducts, the circulating air which has acquired the cold quantity enters the air supply component 300, and then the circulating air is supplied to each air duct through the air supply component 300. The air blowing member 300 can blow the circulating air in different directions, that is, the first outlet 320 faces the first direction, the second outlet 330 faces the second direction, and the second direction is opposite to the second compartment 130, so that the circulating air blown from the first outlet 320 is supplied to the first compartment 120 in the first direction, and the circulating air blown from the second outlet 330 is supplied to the second compartment 130. As shown in fig. 2, the first direction faces upward, the second direction faces right, and the first direction and the second direction form an angle of 90 ° or an angle close to 90 °, but the angle between the first direction and the second direction is not limited thereto, and the angle formed by the first direction and the second direction may be set as needed.

The second outlet 330 directly faces the second compartment 130, so that the air supply path of the air supply member 300 can be shortened, the cold loss can be reduced, and the air circulation fluidity is better. The second outlet 330 can supply air to the second compartment 130 at a suitable height, so that the cold in the second compartment 130 is uniformly distributed.

The refrigeration equipment of the embodiment can supply cold energy to a plurality of compartments through one evaporator 200, is the refrigeration equipment with a single evaporator 200, and can reduce a regulating valve for regulating and controlling the flow direction of refrigerant in the evaporator 200 compared with the refrigeration equipment with a plurality of evaporators 200, simplify the structure of a refrigeration system and simplify the control logic of the refrigeration system. The air supply component 300 supplies cold energy to the compartments at different positions, the air supply component 300 can supply air to different directions, and the air supply component is combined with each air channel to supply air to multiple directions in the cabinet body 100, so that the compartments in the whole refrigeration equipment can be kept at a set temperature, and the cold supply requirement of the whole refrigeration equipment is met. The air supply component 300 is matched with the air channel, so that the air supply path can be optimized, and the cold quantity distribution in each compartment is more uniform.

It can be understood that the second air outlet 330 is connected to a plurality of air supply ducts suitable for on-off adjustment, so that the second air outlet 330 can supply circulating air to a plurality of compartments in the cabinet 100 through the air supply ducts, the structure of the air supply component 300 can be simplified, the air supply direction can be flexibly adjusted through the air supply ducts, and the distribution of the compartments in the refrigeration equipment is more flexible.

The second air outlet 330 is connected to a plurality of air supply ducts suitable for on-off adjustment. As shown in fig. 2, the second air outlet is connected to a first air supply duct and a second air supply duct suitable for on-off adjustment, the second compartment 130 and the third compartment 140 are disposed on the same side of the first compartment 120, the first air supply duct is communicated with the second compartment 130, and the second air supply duct is communicated with the third compartment 140. The second air outlet 330 can supply air to the second compartment 130 and the third compartment 140, the second air outlet 330 is fully utilized, the number of air outlets of the air supply component 300 can be reduced, and the structure of the air supply component 300 is simplified.

The second compartment 130 and the third compartment 140 are disposed on the same side of the first compartment 120, and it is understood that the second compartment 130 and the third compartment 140 are disposed on the right side of the first compartment 120, and the second compartment 130 and the third compartment 140 are distributed up and down.

Of course, the first air outlet may also be connected to a plurality of air ducts suitable for on-off adjustment, but it is not limited whether the air ducts connected to the first air outlet are on-off adjustable, and the first air outlet may also be a normally open structure. The plurality of air supply ducts can extend in different directions to supply the circulating air into the compartments at different positions of the cabinet body 100, and the cooling capacity supply of the whole refrigeration equipment can be realized through one evaporator 200, so that the structure is simple.

As shown in fig. 2, the first air outlet 320 is normally open, so as to simplify the structure of the air supply component 300, the second air outlet 330 is provided with a structure of each air supply duct that can be turned on and off, and the circulating air supplied to different compartments can be regulated and controlled by turning on and off each air supply duct, in fig. 2, the first air outlet 320 is communicated with the freezing compartment, and when the heat exchange duct supplies air to any one air supply duct, the circulating air can be delivered to the freezing compartment, so that the freezing compartment can be kept within a set temperature range. Of course, the first air outlet 320 may also be provided with an on-off adjusting air door to facilitate and control the air supply effect. Or, the first air outlet 320 may also be connected to a plurality of air supply ducts that can be adjusted to open and close.

It can be understood that the second air outlet 330 is connected to an air distributing component 800, the air distributing component 800 is provided with a plurality of air doors suitable for on-off adjustment, and each air door is located at the second air outlet 330 and corresponds to an air supply duct. One air distribution component 800 can control the on-off of a plurality of air supply air channels, and the air distribution component is simple in structure and convenient to control. The air distribution component 800 can drive the on-off adjustment of a plurality of air supply air channels through one driving piece, the number of the driving pieces is reduced, the wiring of the driving pieces is reduced, the winding between the wires is avoided, the size of the air distribution component 800 can be reduced, and the space utilization rate is increased.

Wherein, divide wind part 800 to be an integrated automation control module, divide wind part 800 can contain step motor, reduction gear, drive gear, the transmission rack, wind door plant and frame structure, step motor can drive reduction gear and drive gear motion, drive gear rotates and drives the transmission rack and remove, drive the air door switching through the transmission rack, wherein, the settlement position and the transmission rack meshing transmission of drive gear circumference, can realize that drive gear moves and then drives the air door motion to setting up the angle, the position that each wind gap corresponds is different, realize each wind channel independent control switching, thereby can the temperature of accurate control room.

Of course, each air supply air duct can be provided with an independent air door, the structure of the air door is simple, and the independent control and the independent disassembly and assembly are convenient. The wind distribution component 800 can select a combined electric air door scheme, can select single-air-port, double-air-port and three-air-port electric air doors, and accurately manages the opening and closing of each air channel.

It should be noted that the refrigeration device may be a single-door, double-door, triple-door or multi-door refrigerator, and as shown in fig. 2 to 4, the refrigeration device is a triple-door refrigerator.

Next, a refrigeration apparatus will be described by taking a three-door refrigerator as an example.

It can be understood that, as shown in fig. 2 to 4, the cabinet 100 is provided with the partition 110, the space in the cabinet 100 is partitioned into a first side space and a second side space by the partition 110, the first side space is formed with the first compartment 120, the second side compartment is formed with the second compartment 130 and the third compartment 140, the first air outlet 320 is communicated with the first air duct of the first compartment 120, the air duct is divided into a first air supply duct and a second air supply duct, the second compartment 130 is communicated with the first air supply duct, and the third compartment 140 is communicated with the second air supply duct. The evaporator 200 and the air supply component 300 are positioned in the first side space, the first air outlet 320 of the air supply component 300 supplies air to the first compartment 120, the second air outlet 330 supplies air to at least one of the second compartment 130 and the third compartment 140, the arrangement mode of the air supply air channel is simple, cold energy can be supplied to a plurality of compartments through one evaporator 200, and the structure is simple.

As shown in fig. 2, the partition portion 110 may be a partition plate extending longitudinally in the cabinet 100, the partition portion 110 may longitudinally partition the cabinet 100 into a first side space and a second side space disposed at left and right, and the partition portion 110 is a heat insulation structure having a foam layer, so that temperatures of the first side space and the second side space can be independently controlled, for example, the first side space forms a freezing compartment, and the second side space forms at least one of a refrigerating compartment and a temperature-changing compartment. Of course, the partition portion may also extend in the transverse direction, and the cabinet is divided into a first side space and a second side space (not shown) distributed up and down by the partition portion.

The first compartment 120 may be a freezing compartment, and the evaporator 200 is disposed corresponding to the freezing compartment, so that a path for blowing air from the evaporator 200 to the freezing compartment is shortened, and a loss of cooling capacity is reduced. The second compartment 130 is a refrigerating compartment, the third compartment 140 is a temperature-changing compartment, and the number of the second compartment 130 and the third compartment 140 may be one or more, and may be selected according to the requirement. The adjacent compartments are separated from the adjacent compartments by compartment partition plates 160, and the adjacent third compartments 140 are also separated by compartment partition plates 160, so that the structure is simple.

The second compartment 130 may be located on the left side or the right side of the first compartment 120, and the second outlet 330 faces the side of the second compartment 130, so as to facilitate air supply to the second compartment 130 and the third compartment 140. As shown in fig. 2 and 4, the freezing compartment is located on the left side of the cabinet 100, one freezing compartment is provided, the refrigerating compartment is located on the right side of the cabinet 100, one refrigerating compartment is provided, the variable-temperature compartment is located on the right side of the cabinet 100, the variable-temperature compartment is located below the refrigerating compartment, two variable-temperature compartments are provided, cold air in the heat exchange air duct is conveyed to each compartment through the air supply part 300 and the air supply duct in a matched manner, and the air in each compartment flows back into the heat exchange air duct for cooling.

It can be understood that, as shown in fig. 2 and 4, a centrifugal fan 700 is disposed in the air supply part 300, and the centrifugal fan 700 sends out the air in the heat exchange air duct from at least one of the first air outlet 320, the second air outlet 330 and the third air outlet 350, so as to send the cold energy of the evaporator 200 into each compartment, thereby cooling the compartment. The centrifugal fan 700 can supply air to a plurality of air outlets on the periphery of the centrifugal fan, can supply air in a plurality of directions, and is simple in structure and convenient to install. The air inlet of the centrifugal fan 700 is arranged along the direction of the rotation axis thereof, and the position of the air inlet is not shown in the figure.

As shown in fig. 2 and 4, the first air outlet 320 is located in the first lateral space, the first air duct with the first air outlet 320 facing upward supplies air to the upper portion of the first compartment 120 through the first air outlet 320, the second air outlet 330 is located in the first lateral space, the second air outlet 330 faces the second lateral space, and supplies cold to the plurality of compartments in the second lateral space through the second air outlet 330. As shown in fig. 2, the second side space is located at the right side of the first side space, and one second compartment 130 and two third compartments 140 are disposed in the height direction of the second side space.

As shown in fig. 2 to 4, the cabinet 100 is further provided with a fourth compartment 150, the fourth compartment 150 is located at the lower sides of the first and second side spaces, the first compartment 120 is located at the upper left of the fourth compartment 150, and the second and third compartments 130 and 140 are located at the upper right of the fourth compartment 150.

The air supply member 300 is provided with a third air outlet 350, the third air outlet 350 faces the side of the second compartment 130, the third air outlet 350 is communicated with the fourth compartment 150 through a second air duct 460, and the second air duct 460 extends downward into the fourth compartment 150. The cooling capacity is supplied to the fourth compartment 150 through the second duct 460, and a damper is provided between the second duct 460 and the air supply member 300 to adjust the air supply capacity of the fourth compartment 150.

Of course, the fourth compartment may also be located directly below the first compartment (not shown), the first and fourth compartments are located on the left side of the refrigeration apparatus, and the second and third compartments are located on the right side of the refrigeration apparatus, that is, the first and fourth compartments are located in the first side space, and the second and third compartments are located in the second side space.

The above description is made of the positional relationship between the air ducts for the respective air blows and the compartments, and the following description is made of the structure in which the air ducts are formed in the cabinet.

The first air duct is located between the first air duct plate 410 and the tank liner of the cabinet 100, the first air duct plate 410 is provided with a first air supply outlet 411, the first air supply outlet 411 supplies air to the first compartment 120, and the first air duct plate 410 is further provided with a first air return opening so that air in the first compartment 120 flows back into the heat exchange air duct, and therefore circulating air supply of the first compartment 120 is achieved. The first air supply opening 411 is located at a position above the first air duct plate 410, the first air return opening is located at a position below the first air duct plate 410, air is discharged from the upper portion of the heat exchange air duct under the action of the centrifugal fan 700, and air is returned from the lower portion of the heat exchange air duct by utilizing the principle that cold air sinks.

The second lateral space is provided with a second air duct plate 420 and a third air duct plate 430, the second air duct plate 420 and the cabinet body 100 form a first air supply duct, the third air duct plate 430 and the cabinet body 100 form a second air supply duct, and the first air supply duct and the second air supply duct are simple in structure.

As shown in fig. 2 and 4, the first air supply duct extends upward from the second air outlet 330, and the second air supply duct extends downward along the second air outlet 330. The second air duct plate 420 is provided with a plurality of second air supply outlets 421 so as to make the cold in the second compartment 130 uniform; the third air blowing port 431 is formed in the third air duct plate 430, the third air blowing port 431 corresponds to a set position of the third compartment 140, in order to meet the position of the third air blowing port 431, the third air duct plate 430 inclines obliquely downwards, and an included angle between the third air duct plate 430 and the horizontal direction is 40-60 degrees, so that an air blowing effect is ensured. When the third air duct plates 430 are provided in plurality, the inclined portions of the third air duct plates 430 are parallel to each other, so that the structure is simple, and the disassembly and assembly are convenient.

The cabinet body 100 is connected with a fifth air duct plate, the fifth air duct plate and the cabinet body 100 form a second air duct 460, and the fifth air duct plate is provided with a fourth air supply outlet.

The above description is given for the supply air of the side-by-side refrigerator, and the following description is given for the return air of the side-by-side refrigerator.

It will be appreciated that the heat exchange air return 610 of the heat exchange duct is in communication with the air return line, which is in communication with the air returns of the second compartment 130 and the third compartment 140. The second compartment 130 and the third compartment 140 share the return air pipeline, which helps to simplify the return air structure, reduce the occupied space of the return air pipeline, and increase the space utilization rate.

The cabinet body 100 is provided with a fourth air duct plate 440, the fourth air duct plate 440 is provided with a second air return opening 510 and a third air return opening 520, the second air return opening 510 is communicated with the second compartment 130, the third air return opening 520 is communicated with the third compartment 140, and the fourth air duct plate 440 is matched with the cabinet body 100, so that air return from the second side space to the heat exchange air duct can be realized, and the structure is simple.

As shown in fig. 2, the air return pipeline may be in open communication with the heat exchange air return opening 610, and it can be understood that the space of the third compartment 140 is communicated with the heat exchange air return opening 610, and the air return pipeline is communicated with the heat exchange air return opening 610 through the space of the third compartment 140, and there is no need to provide an air return pipeline for the third compartment 140, so that the air duct structure in the third compartment 140 can be simplified, and the space of the third compartment 140 can be increased.

The third compartment 140 is located below the second compartment 130, and the space of the third compartment 140 is communicated with the heat exchange air return opening 610, so that each compartment in the second side space returns air to the heat exchange air duct conveniently. In some cases, second compartment 130 differs from third compartment 140 in that third compartment 140 is smaller than second compartment 130, i.e., third compartment 140 has a smaller volume than second compartment 130, and heat exchange return 610 corresponds to the smaller volume of third compartment 140 to facilitate return air; or, the function of the third compartment 140 is different from that of the second compartment 130, for example, the third compartment 140 is a temperature-changing compartment, the second compartment 130 is a refrigerating compartment, and the heat-exchanging air return opening 610 is communicated with the temperature-changing compartment. When the second side space is provided with a plurality of third compartments 140, the space of one of the third compartments 140 is communicated with the heat exchange air return opening 610, the other third compartments 140 are communicated with the heat exchange air return opening 610 through the air return pipeline, and the space of only one compartment is directly communicated with the heat exchange air return opening 610.

Of course, the fourth air duct plate can also be hermetically connected with the heat exchange air return inlet, namely, the air return pipeline is hermetically butted with the heat exchange air return inlet, so that the return air is ensured to accurately flow back into the heat exchange air duct.

Referring to fig. 2 and 4, the partition 110 is connected with a backflow component 600, the backflow component 600 is configured with a heat exchange air return opening 610, and the backflow component 600 is inclined downwards along the second lateral space towards the first lateral space (from right to left) so as to return circulating air towards the lower part of the heat exchange air duct, so that the structure is simple, and the disassembly and assembly are convenient. Along the direction from the second side space to the first side space, the return channel of the return component 600 inclines obliquely downward, so that the heat exchange return air inlet 610 corresponds to the return air pipeline, and the air can be ensured to flow back to the lower part of the evaporator 200.

A return air duct 450 is arranged between the fourth compartment 150 and the heat exchange air duct, the return air duct 450 directly returns air to the lower part of the heat exchange air duct, and the air return duct is simple in structure and stable.

It should be noted that, the air supply outlets and the air return inlets in the compartments need to keep a certain distance to ensure that the circulating air flows back into the heat exchange air duct after being fully heat exchanged in the compartments, and the air return inlets are generally arranged at the lower positions of the compartments to return air by using cold air to sink. In each air duct, the fan can be independently matched to promote air circulation and improve the air cooling effect.

In the above-described side-by-side refrigeration apparatus, the cabinet 100 is provided with the first door body and the second door body, the first door body is adapted to open and close the first side space, the second door body is adapted to open and close the second side space, the first compartment 120 can be opened and closed by opening and closing the first door body, and at least one of the second compartment 130 and the third compartment 140 can be opened and closed by opening and closing the second door body. When at least one of the second compartment 130 and the third compartment 140 is provided with a drawer, the drawer needs to be drawn to open and close the compartment.

In some cases, the refrigeration apparatus is provided with a fourth compartment 150, and the fourth compartment 150 is provided with an independent door body, so that a three-door structure is formed. The fourth compartment 150 may be a drawer structure, and a third door body is formed by a drawer that can be drawn, or the cabinet 100 is rotatably connected to the third door body, and the fourth compartment 150 is rotatably adjusted to be opened and closed by the third door body.

As shown in fig. 2 to 4, the first compartment 120 is a freezing compartment, the second compartment 130 is a refrigerating compartment, the third compartment 140 is a variable temperature compartment, one or more drawers may be disposed in the third compartment 140, the third compartment 140 is formed by the drawers connected to the cabinet 100, the fourth compartment 150 is located below the first compartment 120 and the third compartment 140, and the fourth compartment 150 is a variable temperature compartment, which is simple in structure and can provide compartments with multiple functions, so that the functions of the refrigeration apparatus are more comprehensive.

Next, the structure of the air blowing member 300 will be described.

It can be understood that, as shown in fig. 2 and fig. 4, the air supply component 300 is provided with the blocking portion 340, the blocking portion 340 is located between the first air outlet 320 and the second air outlet 330, a first included angle is formed between the blocking portion 340 and the first air outlet direction of the first air outlet 320, a second included angle is formed between the blocking portion 340 and the second air outlet 330, and the blocking portion 340 plays a role of separating the first air outlet 320 from the second air outlet 330, so as to supply air from at least one of the first air outlet 320 and the second air outlet 330 as required, which is simple in structure and can ensure the air supply amount of the first air outlet 320 and the second air outlet 330.

The sides of the blocking portion 340 facing the first air outlet 320 and the second air outlet 330 are both inclined planes, which is helpful for guiding the wind. The first included angle is smaller than 20 degrees, the second included angle is larger than 70 degrees, the air supply effect is guaranteed, the volume occupied by the blocking portion 340 is reduced, and the air supply device is simple in structure and convenient to process.

A first side 341 of the blocking portion 340 forms a first included angle with a first air outlet direction, and the first air outlet direction is vertical upward; the second side 342 of the blocking portion 340 forms a second included angle with the second air outlet direction, and the second air outlet direction is a horizontal direction.

It can be understood that the air supply component 300 covers the inner side of the inner container of the cabinet body 100, the centrifugal fan 700 is installed between the air supply component 300 and the inner container, the air supply component 300 and the inner container form an air inlet, a first air outlet 320 and a second air outlet 330, the air supply component 300 is directly installed in the inner container, the structure is simple, and the air supply component 300 and the centrifugal fan 700 are convenient to install.

The air supply component 300 may be a casing covering the inner side of the tank, and has a simple structure and low cost. The air supply member 300 may be connected to the first air duct plate 410 to form an integrated structure, so as to reduce the number of parts and improve the assembly and disassembly efficiency.

Of course, the air supply component 300 may also independently form a space for installing the centrifugal fan 700, for example, the air supply component 300 includes a rear wall plate and a front panel, the rear wall plate is connected to the inner side of the tank of the cabinet body, the front panel is covered on the inner side of the rear wall plate, the centrifugal fan 700 is installed on at least one of the rear wall plate and the front panel, the rear wall plate and the front panel form the air inlet, the first air outlet 320 and the second air outlet 330, and the air supply component is simple in structure and convenient for integral installation. The installation of the air blowing member 300 can be achieved by installing the rear wall plate to the tank bladder. The back wall plate and the front panel are matched to form a volute, and efficient air supply is facilitated. The front panel may form an integrated structure with the first duct plate.

The back wallboard installation centrifugal fan is provided with and separates fender portion, and the structure of front panel is simpler, and makes things convenient for dismouting centrifugal fan.

In combination with the above, the air supply part 300 may be a single part, or a combination structure of a plurality of parts, which may be selected according to the requirement.

The single evaporator 200 can be selected as a triple-inclined-row evaporator, and the single evaporator can meet the refrigerating capacity requirements of freezing, refrigerating and various temperature-changing compartments; the air duct has multiple branches for supplying air, the temperature of different compartments of the refrigeration equipment is automatically adjusted by automatically controlling the multiple independent air ports, and the setting and adjusting functions of the temperature of multiple (four or more) independent temperature areas can be realized.

The air supply component 300 comprises a front panel and a rear wall plate, the rear wall plate forms a volute air duct, a centrifugal fan 700 is arranged in the volute air duct, and the cold energy of the evaporator 200 is sent to each refrigerating and freezing compartment temperature area needing the cold energy through the centrifugal fan 700. The air supply component 300 is connected with the pre-buried air channels of the freezing chamber and the refrigerating chamber, the air distribution component 800 is arranged at the second air outlet 330 of the air supply component 300, and the air distribution component 800 automatically regulates and controls the on-off of each air supply air channel.

As shown in fig. 2 and 4, the right space of the refrigeration equipment is provided with a refrigeration compartment and a temperature-changing compartment, the air supply duct of each compartment is connected with the second air outlet 330, and meanwhile, each compartment is also provided with a shared return air duct 450, so that independent air supply and return of each independent temperature zone can be met, a multi-branch air supply and single-branch return air converging design is adopted, and each air supply branch can control the opening and closing of an air door in a single-point mode. The variable Wen Jianshi at the cold storage side is increased, so that the function of the refrigerating equipment is more comprehensive. The use requirements of users on multi-gear flexible temperature change of each temperature zone can be met through the control of the main control board. The centrifugal fan supplies air, so that the flowability of the air can be enhanced, and the problem of air duct condensation and freezing when the ambient temperature/humidity changes continuously is solved.

As shown in fig. 2 and 4, the refrigeration device includes a left freezing compartment and a right refrigerating compartment, and a first variable temperature compartment with an independent temperature adjustment is added on the right side, and a second variable temperature compartment with an independent temperature adjustment is arranged below the first variable temperature compartment, so that a total of four differential temperature zones are provided for users. Of course, the refrigeration equipment can also comprise a freezing chamber on the left side, a refrigerating chamber on the right side and a plurality of temperature-changing chambers on the right side, and one or two temperature-changing chambers are additionally arranged on the right side, so that four or five differential temperature zones are realized for users to use. The refrigeration equipment can improve the volume ratio of the refrigeration equipment with multiple temperature areas, has the advantage of cost and improves the production and manufacturing efficiency.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims (12)

1. A refrigeration apparatus, comprising:

the cabinet body is used for constructing a first compartment, a second compartment and a fourth compartment, and the second compartment and the fourth compartment are positioned at two adjacent sides of the first compartment;

the evaporator is positioned in the heat exchange air channel outside the first chamber;

and the air supply part is positioned on the outer side of the first chamber and is provided with an air inlet, a first air outlet, a second air outlet and a third air outlet, the first air outlet is communicated with the first chamber through a first air duct, the second air outlet is communicated with the second chamber through a first air supply air duct, the second air outlet faces the second chamber, and the third air outlet is communicated with the fourth chamber through a second air duct.

2. The refrigeration equipment as claimed in claim 1, wherein the second air outlet is connected with the first air supply duct and the second air supply duct which are suitable for on-off adjustment, the second chamber and the third chamber are arranged on the same side of the first chamber, the first air supply duct is communicated with the second chamber, and the second air supply duct is communicated with the third chamber.

3. The refrigeration equipment as recited in claim 2, wherein the heat exchange air return opening of the heat exchange air duct is communicated with an air return pipeline, and the air return pipeline is communicated with the second air return opening of the second compartment and the third air return opening of the third compartment.

4. The refrigerating apparatus as claimed in claim 2, wherein the third compartment is located below the second compartment, and a space of the third compartment is communicated with a heat exchange return air inlet of the heat exchange duct, the heat exchange return air inlet is communicated with a return air duct, the return air duct is provided with a second return air inlet communicated with the second compartment, and the return air duct is communicated with the heat exchange return air inlet through a space of the third compartment.

5. The refrigeration device as recited in claim 4, wherein a return component is disposed between the heat exchange air duct and the third compartment, the return component is configured with the heat exchange air return opening, and a return channel of the return component is inclined obliquely downward from the third compartment to the direction of the first compartment.

6. The refrigeration equipment as claimed in claim 2, wherein the second air outlet is connected with an air distribution component, the air distribution component is provided with a first air door and a second air door which are suitable for on-off adjustment, the first air door is connected between the second air outlet and the first air supply duct, and the second air door is connected between the second air outlet and the second air supply duct.

7. The refrigeration equipment as claimed in claim 1, wherein the air supply component is provided with a blocking portion, the blocking portion is located between the first air outlet and the second air outlet, the blocking portion forms a first included angle with a first air outlet direction of the first air outlet, and the blocking portion forms a second included angle with a second air outlet direction of the second air outlet.

8. The refrigerating apparatus as claimed in claim 7, wherein the air supply component comprises a front panel and a rear wall panel, the rear wall panel is connected to an inner side of the tank of the cabinet body, the front panel covers the inner side of the rear wall panel, the rear wall panel is provided with a centrifugal fan and the baffle portion, and an air supply space, the air inlet, the first air outlet, the second air outlet and the third air outlet are formed between the front panel and the rear wall panel.

9. The refrigeration equipment as claimed in any one of claims 1 to 8, wherein the second compartment is located on the left side or the right side of the first compartment, the fourth compartment is located above or below the first compartment, the second air outlet and the third air outlet both face the side of the second compartment, and the third air outlet is communicated with the fourth compartment through a second air duct.

10. The refrigeration equipment according to claim 9, wherein the cabinet body is provided with a first door body and a second door body, the first door body is suitable for opening and closing the first compartment, and the second door body is suitable for opening and closing the second compartment; the fourth chamber is opened and closed by drawing and opening the drawer, or the fourth chamber is opened and closed by a third door body.

11. The refrigeration device as claimed in any one of claims 2 to 6, wherein the first compartment is a freezing compartment, the second compartment is a refrigerating compartment, the third compartment is a temperature-changing compartment, and the fourth compartment is a temperature-changing compartment.

12. A cold appliance according to any of claims 1-8, wherein the first outlet is located in the first compartment and communicates with a first duct facing upwards, the third outlet faces towards the second compartment and communicates with a second duct facing downwards.

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