Patent Application
20250024965
The application claims the benefit of China Patent Application No. 202321879867.X filed Jul. 17, 2023, the contents of which are hereby incorporated in their entirety.
The present utility model relates to the technical field of refrigeration equipment, in particular to a refrigeration display cabinet.
As an important carrier for food sales, refrigeration display cabinets mainly appear as containers in the market and are the essential facilities for large shopping malls, supermarkets, and the catering industry. They can store and display dairy products, beverages, fruits, meat products, etc. at different temperatures.
The structure of an existing refrigeration display cabinet is shown in
However, during the operation of the refrigeration display cabinet 10, the evaporator 14 in the inner air channel 12a is prone to frost formation. Due to the presence of frost, the airflow entering the evaporator 14 is reduced, which affects the refrigeration effect and can easily cause temperature-sensitive products to spoil, causing losses to merchants and potentially leading to customers purchasing spoiled products. Therefore, it is necessary to further improve the refrigeration display cabinets.
In view of the above, the present utility model provides a refrigeration display cabinet, so as to solve or at least alleviate one or more of the aforementioned problems and problems in other aspects existing in the prior art, or to provide an alternative technical solution for the prior art.
According to a solution of the present utility model, a refrigeration display cabinet is provided, comprising:
In another embodiment of a refrigeration display cabinet according to the present utility model, the damper assembly comprises a plurality of wind deflectors, wherein the plurality of wind deflectors are rotatably fixed at the opening, and the plurality of wind deflectors synchronously open or close the opening by means of a linkage mechanism.
In yet another embodiment of a refrigeration display cabinet according to the present utility model, the plurality of wind deflectors comprise a first wind deflector, a second wind deflector, and a third wind deflector, wherein the first wind deflector is arranged at or near the top of the evaporator, the second wind deflector is arranged in or near the middle of the evaporator, and the third wind deflector is arranged at or near the bottom of the evaporator.
In still another embodiment of a refrigeration display cabinet according to the present utility model, the length of the second wind deflector is the same as that of the third wind deflector, and the lengths of the second wind deflector and the third wind deflector are less than the length of the first wind deflector
In another embodiment of a refrigeration display cabinet according to the present utility model, the widths of the first wind deflector, the second wind deflector, and the third wind deflector are the same as the width of the outer air channel in the horizontal direction.
In yet another embodiment of a refrigeration display cabinet according to the present utility model, the length of the first wind deflector is less than the length of the outer air channel in the horizontal direction
In still another embodiment of a refrigeration display cabinet according to the present utility model, the first wind deflector, the second wind deflector, and the third wind deflector are made of metal or plastic.
In another embodiment of a refrigeration display cabinet according to the present utility model, the shape of the opening is consistent with the shape of the side of the evaporator.
In yet another embodiment of a refrigeration display cabinet according to the present utility model, the first wind deflector, the second wind deflector, and the third wind deflector are controlled by a stepper motor controller.
In still another embodiment of a refrigeration display cabinet according to the present utility model, the damper assembly is fixed at the opening of the partition by bolts.
In another embodiment of a refrigeration display cabinet according to the present utility model, the refrigeration display cabinet further comprises a fan arranged at or near the bottom of the partition.
It can be appreciated that the refrigeration display cabinet of the present utility model adopts a design of air intake simultaneously from the side and bottom of the evaporator, which makes the direct air intake area of the evaporator larger during the defrosting mode, thus greatly improving the heat exchange efficiency and achieving better defrosting effect.
The technical solution of the present utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments. However, it should be noted that these drawings are only designed for explanatory purposes and are intended to conceptually illustrate the structure described herein, without the need to be drawn proportionally.
The content of the present utility model and the differences between the present utility model and the prior art can be understood by referring to the accompanying drawings and the text. The technical solution of the present utility model will be described in further detail below through the accompanying drawings and by enumerating some optional embodiments of the present utility model. The same or similar reference numerals in the drawings represent the same or similar components.
It should be noted that any technical features or solutions in the embodiments are one or several of multiple optional technical features or technical solutions. For brevity, it is neither possible to exhaustively enumerate herein all alternative technical features and technical solutions of the present utility model, nor is it possible to emphasize that the implementation mode of each technical feature is one of the optional multiple implementation modes. Therefore, those skilled in the art should be aware that any technical means provided by the present utility model can be substituted, or any two or more technical means or technical features provided by the present utility model can be combined with each other to obtain a new technical solution.
Any technical feature or technical solution within the embodiments does not limit the scope of protection of the present utility model. The scope of protection of the present utility model should include any alternative technical solutions that those skilled in the art can think of without creative labor, as well as any new technical solutions obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present utility model.
Those skilled in the art are aware that refrigeration display cabinets are widely used to display goods that require refrigeration, mainly for achieving refrigerated storage of goods and displaying some goods that require low-temperature storage to consumers. In order to facilitate customer selection, refrigeration display cabinets are usually open, using air curtains to separate the food from the outside environment to reduce the entry of hot air.
The working principle of the refrigeration display cabinet according to the present utility model during the refrigeration mode and the defrosting mode will be described below in conjunction with
During the refrigeration mode, when the external air enters the air channel 130 of the refrigeration display cabinet 100, it is divided into two streams of airflow through the partition 140, i.e., one stream of airflow flows through the evaporator 150 in the inner air channel 131, and forms a refrigeration airflow through heat exchange to cool the goods on the display rack 120; another stream of airflow flows in the outer air channel 132 to protect the air curtain on the inner side of the inner air channel 131 from being exposed to the environment, thereby achieving the goal of energy conservation. Two streams of airflow leave from the holes on the air outlet plate of the air channel 130 and blow downwards, returning to the cabinet 110 from the return air inlet. It can thus be seen that in the refrigeration display cabinet 100, the air forms an “air curtain” surrounding the display rack 120.
During the defrosting mode, when the external air enters the air channel 130 of the cabinet 110, it is divided into two streams of airflow through the partition 140, i.e., one stream of airflow flows through the evaporator 150 in the inner air channel 131 to defrost from the bottom of the evaporator 150; at the same time, the damper assembly 160 opens the opening, allowing another stream of airflow to flow into the side of the evaporator 150 through the opening in the outer air channel 132, so as to defrost from the side of the evaporator 150. Two streams of airflow converge at the evaporator 150 to form one stream of airflow, which leaves from the holes on the air outlet plate of the air channel 130 and blows downwards, and then returns to the cabinet 110 from the return air inlet. The directions of the airflow during defrosting are shown by the arrows in
In conjunction with the above embodiments, in other optional embodiments, the damper assembly 160 comprises a plurality of wind deflectors, which are rotatably fixed at the opening, and the plurality of wind deflectors can synchronously open or close the opening by means of a linkage mechanism (not shown). By adopting a multi-stage damper design, air can be gradually introduced from the side of the evaporator to improve the heat exchange efficiency of the evaporator 150. Specifically, the plurality of wind deflectors comprise a first wind deflector 161, a second wind deflector 162, and a third wind deflector 163, wherein the first wind deflector 161 can be arranged at or near the top of the evaporator 150, the second wind deflector 162 can be arranged in or near the middle of the evaporator 150, and the third wind deflector 163 can be arranged at or near the bottom of the evaporator 150, as shown in
In order to ensure that all the airflow in the outer air channel 132 can enter the evaporator 150 during the defrosting period, the widths of the first wind deflector 161, the second wind deflector 162, and the third wind deflector 163 can be designed to be the same as the width of the outer air channel 132 in the horizontal direction (i.e., perpendicular to the paper direction). It is also readily conceivable to those skilled in the art that the first wind deflector 161, the second wind deflector 162, and the third wind deflector 163 can all be made of materials such as metal or plastic. In addition, the first wind deflector 161, the second wind deflector 162, and the third wind deflector 163 can be controlled by a stepper motor controller (not shown). It should be noted that the stepper motor controller can control the rotation angle and rotation direction of the first wind deflector 161, the second wind deflector 162, and the third wind deflector 163, so that the damper assembly 160 can synchronously open or close the opening as needed.
As an example, in the refrigeration display cabinet 100 according to the present utility model, the shape of the opening is consistent with the shape of the side of the evaporator 150. That is to say, the air intake area on the side of the evaporator 150 is the same as the area of the side of the evaporator 150, so that the entire side of the evaporator 150 directly participates in heat exchange, which is conducive to accelerating the defrosting process of the evaporator 150.
In summary, the refrigeration display cabinet of the present utility model adopts a design of air intake simultaneously from the side and the bottom of the evaporator, which makes the direct air intake area of the evaporator larger during the defrosting mode, thus further improving the heat exchange efficiency and achieving better defrosting effect.
If terms such as “first” and “second” are used herein to limit components, those skilled in the art should be aware that the use of “first” and “second” is only for the convenience of describing and distinguishing components. Unless otherwise stated, the above terms do not have any special meanings.
In addition, as to the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the present utility model, unless otherwise stated, the implications thereof include states or shapes that are approximate, similar, or close to them. Any component provided by the present utility model can be either assembled from multiple individual components or manufactured as a separate component using an integration process.
If terms such as “center”, “longitudinal”, “transverse”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, etc. are used in the depiction of the present utility model, the orientations or positional relationships indicated by the above terms are based on the orientations or positional relationships shown in the drawings. These terms are used merely for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device, mechanism, component or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so they cannot be understood as forming limitations on the scope of protection of the present utility model.
Last, it should be noted that the above embodiments are only used to illustrate the technical solution of the present utility model but not to limit it. Although the present utility model has been described in detail with reference to preferred embodiments, those skilled in the art, however, should understand that the specific embodiments of the present utility model can still be modified or some technical features can be equivalently substituted. Without departing from the spirit of the technical solution of the present utility model, all of these modified embodiments or technical features used for equivalent substitution should fall within the scope of the claimed technical solution of the present utility model.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202321879867X | Jul 2023 | CN | national |
