CN218523809U - 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 evaporator is positioned in the heat exchange air duct in the cabinet body; the air supply component is connected with the cabinet body, and the air supply component is provided with air intake, first air outlet and second air outlet, the air intake with heat transfer wind channel intercommunication, first air outlet is towards first direction, the second air outlet is towards the second direction, first direction with the second direction forms the contained angle, first air outlet with at least one in the second air outlet is connected a plurality of air supply wind channels that are suitable for the break-make and adjust. The utility model provides a refrigeration plant, single evaporimeter supply with cold volume to a plurality of rooms, simplify refrigeration system's structure, and air supply component combines air supply duct, can supply air to the direction of difference for room homoenergetic among the whole refrigeration plant keeps setting for the temperature, satisfies whole refrigeration plant's cooling demand.

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 is widely applied in families, different users need different types 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 sets of air duct systems are required to be arranged, so that the structure is complex, and the manufacturing and assembling efficiency of products is low. The multiple air duct systems and the multiple evaporators occupy the space of the refrigerator, so that 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 in the cold quantity supply process are complex, and the product manufacturing and assembling efficiency 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 air supply duct, can supply air to the direction of difference for the 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 refrigeration plant, include:

a cabinet body;

the evaporator is positioned in the heat exchange air duct in the cabinet body;

the air supply component is connected with the cabinet body and is provided with an air inlet, a first air outlet and a second air outlet, the air inlet is communicated with the heat exchange air channel, the first air outlet faces a first direction, the second air outlet faces a second direction, an included angle is formed between the first direction and the second direction, and the first air outlet and at least one of the second air outlets are connected with a plurality of air supply air channels suitable for on-off adjustment.

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. The cold quantity is supplied to the compartments at different positions through the air supply component, the air supply component can supply air to different directions, and the air supply component is combined with the air supply duct to supply air to multiple directions in the cabinet body, 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.

According to the utility model discloses an embodiment, the cabinet body is provided with the partition portion, the internal space of cabinet passes through the partition portion separates to be first side space and second side space, the evaporimeter is located first side space, first side space is formed with first compartment, second side space is formed with second compartment and third compartment, first air outlet with the first wind channel intercommunication of first compartment, the air supply duct divide into first air supply wind channel and second air supply wind channel, the second compartment with first air supply wind channel intercommunication, the third compartment with second air supply wind channel 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 compartment with the 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 heat transfer return air inlet intercommunication, the return air pipeline with the return air inlet passes through the space intercommunication of third compartment.

According to the utility model discloses an embodiment, the partition part is connected with backward flow part, backward flow part is constructed the heat transfer return air inlet, the backward flow wind channel of backward flow part is followed the second lateral space to the direction slant downwardly sloping in first lateral space.

According to the utility model discloses an embodiment, be provided with centrifugal fan in the air supply part, first air outlet is located first side space and towards the top first wind channel, the second air outlet is located first side space and towards second side space.

According to the utility model discloses an embodiment, the cabinet body is provided with the first door body and the second door body, the first door body is suitable for the switching first side space, the second door body is suitable for the switching second side space.

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 third compartment sets up a plurality ofly, cabinet body coupling's drawer forms the third compartment.

According to the utility model discloses an embodiment, the cabinet body still is provided with the fourth compartment, the fourth compartment is located first lateral space with the downside in second lateral space, the air supply component is provided with the third air outlet, the third air outlet pass through the second wind channel with fourth compartment intercommunication.

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, first contained angle is less than 20, the second contained angle is greater than 70.

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

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 a plurality of air doors that are suitable for the switching to adjust, every the air door all is located correspondingly the second air outlet with between the air supply wind channel.

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 first 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 A-A of FIG. 2;

fig. 4 is a schematic front view of a second refrigeration apparatus according to an embodiment of the present invention, which mainly illustrates a relative position relationship between air ducts; the difference from the figure 2 lies in that the heat exchange air return opening is different from the space communication mode of the third chambers, wherein one of the third chambers is not provided with an independent air return structure;

fig. 5 is a schematic front view of a double-door refrigeration device according to an embodiment of the present invention, illustrating the positional relationship of each compartment;

fig. 6 is a schematic front view of a refrigeration device with three doors according to an embodiment of the present invention, which illustrates the position relationship of each compartment;

fig. 7 is a schematic front view of a third refrigeration apparatus according to an embodiment of the present invention, which mainly illustrates the relative position relationship of each air duct;

reference numerals are as follows:

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; 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-distributing part.

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 intended 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", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 addition, in the description of the present invention, "a plurality", and "a plurality" 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, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to 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 the embodiments of the present 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 of the refrigeration device, the freezing chamber and the cold storage chamber are both correspondingly provided with evaporators 1, 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 and the cold storage chamber. In fig. 1, the refrigeration equipment is provided with two 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.

The embodiment of the present invention, with reference to fig. 2 to 7, provides a refrigeration apparatus, which includes a cabinet 100, an evaporator 200, and an air supply component 300; the evaporator 200 is positioned in the heat exchange air duct in the cabinet 100; the air supply component 300 is connected to the cabinet body 100, the air supply component 300 is provided with an air inlet, a first air outlet 320 and a second air outlet 330, the air inlet is communicated with the heat exchange air channel, the first air outlet 320 faces a first direction, the second air outlet 330 faces a second direction, an included angle is formed between the first direction and the second direction, and at least one of the first air outlet 320 and the second air outlet 330 is connected with a plurality of air supply air channels suitable for on-off adjustment.

The evaporator 200 exchanges heat with the circulating air in the heat exchange air duct, the circulating air which has acquired the cooling capacity enters the air supply component 300, and then the circulating air is supplied to the plurality of air supply air ducts through the air supply component 300. At least one of the first air outlet 320 and the second air outlet 330 of the air supply component 300 is connected with a plurality of air supply ducts, and the air supply ducts can extend in different directions to supply circulating air into compartments at different positions of the cabinet body 100, so that the cooling capacity supply of the whole refrigeration equipment can be realized through one evaporator 200, and the structure is simple.

The air supply part 300 can convey the circulating air in different directions, that is, the first air outlet 320 faces the first direction, the second air outlet 330 faces the second direction, an included angle is formed between the first direction and the second direction, the circulating air supplied from the first air outlet 320 is supplied to the chamber in the first direction, and the circulating air supplied from the second air outlet 330 is supplied to the chamber in the second direction. 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.

At least one of the first air outlet 320 and the second air outlet 330 is connected with a plurality of air supply ducts suitable for on-off adjustment, so that at least one of the first air outlet 320 and the second air outlet 330 can supply circulating air to a plurality of compartments in the cabinet body 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. If the first air outlet 320 is connected to an air duct, it is not limited whether the air duct connected to the first air outlet 320 can be turned on or off, and the second air outlet 330 is connected to a plurality of air supply ducts suitable for turning on or off. 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.

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 the air supply duct 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.

It should be noted that the refrigeration device may be a single-door, double-door, triple-door or multi-door refrigerator, as shown in fig. 2 to 5, the refrigeration device is a double-door refrigerator, and as shown in fig. 6 and 7, the refrigeration device is a triple-door refrigerator.

Next, a refrigerating apparatus will be described by taking a refrigerator with two doors and a refrigerator with three doors as an example.

It can be understood that, as shown in fig. 2 to 5, the cabinet 100 is provided with the partition portion 110, the space in the cabinet 100 is partitioned into a first side space and a second side space by the partition portion 110, the first side space is formed with the first compartment 120, the second side space 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 supply 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 duct 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 divide the cabinet 100 into a first side space and a second side space disposed 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 varying 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 each other by compartment partitions 160, and the adjacent third compartments 140 are also separated by compartment partitions 160, so that the structure is simple. As shown in fig. 4 and 5, 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 and the second air outlet 330, and sends the cold energy of the evaporator 200 to each compartment, so as to cool 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 cooling energy is supplied 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.

The first air duct is located between the first air duct plate 410 and the tank container of the cabinet 100, the first air duct plate 410 is provided with a first air supply opening 411, the first air supply opening 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, the number of the second air supply ducts is two, and the two second air supply ducts both extend 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 above description is made for the air supply of the side-by-side refrigerator, and the following description is made 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 fourth air duct plate 440 may be hermetically connected to the heat exchange air return opening 610, that is, the air return pipeline is hermetically abutted to the heat exchange air return opening 610, so as to ensure that the return air accurately flows back into the heat exchange air duct.

Or, as shown in fig. 4, 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 can return 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.

Referring to fig. 2 and 4, the partition 110 is connected to a backflow component 600, the backflow component 600 is configured with a heat exchange air return opening 610, and a backflow air duct of the backflow component 600 is inclined downward in a direction from the second side space to the first side space so as to return circulating air to a position below the heat exchange air duct, so that the structure is simple, and the assembly and disassembly are convenient. Along the direction from the second side space to the first side space, the return air duct of the return component 600 is inclined downward, so that the heat exchange air return opening 610 corresponds to the air return pipeline, and the air can be ensured to flow back to the lower part of the evaporator 200.

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.

As shown in fig. 2 to 5, the first compartment 120 is a freezing compartment, the second compartment 130 is a refrigerating compartment, the third compartment 140 is a temperature-changing compartment, a plurality of third compartments 140 are provided, and the drawers connected to the cabinet 100 form the third compartment 140.

The above embodiment has been described with respect to a double-door refrigeration apparatus, and a triple-door refrigeration apparatus will be described with reference to fig. 6 and 7. It should be noted that, the technical solutions of the above-mentioned double-door refrigeration apparatus can be applied to a three-door refrigeration apparatus, and the three-door refrigeration apparatus is formed by adding a third door body on the basis of the above-mentioned double-door refrigeration apparatus.

As shown in fig. 6 and 7, the cabinet 100 is further provided with a fourth compartment 150, and the fourth compartment 150 is provided with an independent door body, so as to form a three-door structure. 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.

The fourth compartment 150 is located at the lower side 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 blowing part 300 is provided with a third air outlet 350, the third air outlet 350 is communicated with the fourth compartment 150 through a second air duct 460, cooling capacity is supplied to the fourth compartment 150 through the second air duct 460, and an air door is provided between the second air duct 460 and the air blowing part 300 to adjust the air blowing capacity of the fourth compartment 150. The cabinet 100 is connected with a fifth air duct plate, and the fifth air duct plate and the cabinet 100 form a second air duct 460.

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 sufficient heat exchange in the compartments, and the air return inlets are generally arranged at the lower positions of the compartments to sink by using cold air for air return. In foretell each wind channel, all can independently cooperate the fan to promote the wind circulation, promote the effect of forced air cooling.

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

It can be understood that, as shown in fig. 2, fig. 4 and fig. 7, the air supply component 300 is provided with a 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 direction of 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, the structure is simple, and the air supply amount of the first air outlet 320 and the second air outlet 330 can be ensured.

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 part 300 can also independently form a space for installing the centrifugal fan 700, for example, the air supply part 300 includes a rear wall plate and a front panel, the rear wall plate is disposed at the inner side of the box liner, the front panel is disposed at the inner side of the rear wall plate, the centrifugal fan 700 is installed at least one of the rear wall plate and the front panel, and the rear wall plate and the front panel form the air inlet, the first air outlet 320 and the second air outlet 330, which is simple in structure and facilitates the integral installation. The installation of the air supply part 300 can be achieved by installing the rear wall plate to the tank container. The back wall plate and the front panel are matched to form a volute, which is beneficial to high-efficiency air supply.

The front panel can be connected with the first air duct plate 410 to form an integral structure, so that the number of parts is reduced, and the disassembly and assembly efficiency is improved.

Of course, the air supply component 300 can also be directly covered on 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 on 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.

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.

It can be understood that the second air outlet 330 is connected to the air distribution component 800, and the air distribution component 800 is provided with a plurality of air doors adapted to be opened and closed, and each air door is located between the corresponding second air outlet 330 and the 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 to contain step motor, reduction gear, drive gear, the driving rack, air door and frame structure, step motor can drive reduction gear and drive gear motion, drive gear rotates and drives the driving rack and remove, drive the air door switching through the driving rack, wherein, the settlement position and the driving rack meshing transmission of drive gear circumference, can realize that drive gear moves and then drives the air door motion to set 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 second side space interior room.

Of course, independent air door can also be set in every air supply duct, and the simple structure of air door just makes things convenient for independent control and independent dismouting. 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.

The single evaporator 200 can be selected as a triple-diagonal evaporator, and the single evaporator can meet the requirements of freezing, refrigerating and refrigerating capacity of each variable-temperature chamber; 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, fig. 4 and fig. 7, the right space of the refrigeration equipment is provided with a refrigeration compartment and two temperature-variable compartments, the air supply duct of each compartment is connected with the second air outlet 330, and the shared air return duct 450 is also provided for each compartment, so that independent air supply and air return of each independent temperature zone can be met, a multi-branch air supply and single-branch air return converging design is adopted, and each air supply branch can control the opening and closing of the air door in a single point. The temperature-variable chamber at the refrigerating 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 apparatus includes a left freezing compartment and a right refrigerating compartment, and two independent temperature-adjustable first variable-temperature compartments and two independent temperature-adjustable second variable-temperature compartments are attached to the right side, so that a total of four temperature zones are provided for users to use. Alternatively, as shown in fig. 6 and 7, the refrigeration device includes a left freezing compartment, a right refrigerating compartment, and a first temperature-changing compartment below, and one or two temperature-changing compartments are added on the right side, so that four or five differentiated temperature zones are realized for users. 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, those skilled in the art should understand 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 them should be covered by the scope of the claims of the present invention.

Claims (12)

1. A refrigeration apparatus, comprising:

a cabinet body;

the evaporator is positioned in the heat exchange air channel in the cabinet body;

the air supply component is connected with the cabinet body and is provided with an air inlet, a first air outlet and a second air outlet, the air inlet is communicated with the heat exchange air channel, the first air outlet faces a first direction, the second air outlet faces a second direction, an included angle is formed between the first direction and the second direction, and the first air outlet and at least one of the second air outlets are connected with a plurality of air supply air channels suitable for on-off adjustment.

2. The refrigeration equipment as claimed in claim 1, wherein the cabinet body is provided with a partition, the space inside the cabinet body is partitioned into a first side space and a second side space by the partition, the evaporator is located in the first side space, the first side space is formed with a first compartment, the second side space is formed with a second compartment and a third compartment, the first air outlet is communicated with a first air duct of the first compartment, the air supply duct is divided into a first air supply duct and a second air supply duct, the second compartment is communicated with the first air supply duct, and the third compartment is communicated with the second air supply duct.

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

4. The refrigeration equipment as recited in claim 3 wherein said third compartment is located below said second compartment, the space of said third compartment being in communication with said heat exchange air return opening, said air return line being in communication with said air return opening through the space of said third compartment.

5. A refrigerating apparatus as recited in claim 3 wherein a return member is connected to said partition, said return member being configured with said heat exchange return air opening, a return duct of said return member being inclined obliquely downward from said second side space toward said first side space.

6. The refrigeration equipment as claimed in claim 2, wherein a centrifugal fan is disposed in the air supply part, the first air outlet is located in the first side space and faces the first air duct upward, and the second air outlet is located in the first side space and faces the second side space.

7. The refrigeration equipment as claimed in claim 2, 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 side space, and the second door body is suitable for opening and closing the second side space.

8. The refrigeration equipment as claimed in claim 7, wherein the first compartment is a freezing compartment, the second compartment is a refrigerating compartment, the third compartment is a temperature-changing compartment, a plurality of drawers are arranged in the third compartment, and the drawers connected with the cabinet form the third compartment.

9. The refrigeration equipment as claimed in claim 2, wherein the cabinet body is further provided with a fourth compartment which is located at the lower side of the first side space and the second side space, the air supply part is provided with a third air outlet, and the third air outlet is communicated with the fourth compartment through a second air duct.

10. The refrigeration equipment according to any one of claims 1 to 9, 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, a first included angle is formed between the blocking portion and a first air outlet direction of the first air outlet, a second included angle is formed between the blocking portion and a second air outlet direction of the second air outlet, the first included angle is smaller than 20 degrees, and the second included angle is larger than 70 degrees.

11. The refrigeration device as claimed in claim 10, wherein the air supply component includes a front panel and a rear wall panel, the rear wall panel is connected to an inner side of a tank of the cabinet body, the front panel is covered on an inner side of the rear wall panel, the rear wall panel is provided with the barrier portion, a centrifugal fan is installed between the front panel and the rear wall panel, and the front panel and the rear wall panel form the air inlet, the first air outlet and the second air outlet.

12. The refrigeration equipment as claimed in any one of claims 1 to 9, wherein the second air outlet is connected with an air distribution component, the air distribution component is provided with a plurality of air doors suitable for opening and closing adjustment, and each air door is positioned between the corresponding second air outlet and the air supply duct.

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