CN111820679B

CN111820679B - Display cabinet

Info

Publication number: CN111820679B
Application number: CN201910330172.8A
Authority: CN
Inventors: 李凌云; 王爱兵; 李少华; 朱浩亮; 王雷; 姜天信
Original assignee: Shandong New Beiyang Information Technology Co Ltd; Weihai New Beiyang Digital Technology Co Ltd
Current assignee: Shandong New Beiyang Information Technology Co Ltd; Weihai New Beiyang Digital Technology Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2022-09-20
Anticipated expiration: 2039-04-23
Also published as: WO2020216233A1; CN111820679A

Abstract

The invention relates to the technical field of storage devices, and particularly discloses a display cabinet which comprises a cabinet body, a first temperature adjusting device and a second temperature adjusting device, wherein the cabinet body comprises an outer shell and an inner shell embedded in the outer shell, an open accommodating bin is arranged on one side of the inner shell, a first air channel and a second air channel which are communicated with the accommodating bin are arranged between the outer shell and the inner shell, the first air channel comprises a plurality of mutually communicated first branch air channels, the second air channel comprises at least one second branch air channel, the plurality of first branch air channels and the at least one second branch air channel extend along a first direction and are arranged at intervals along a second direction, a second branch air channel is arranged between every two adjacent first branch air channels, the first temperature adjusting device is communicated with the first air channel, the second temperature adjusting device is communicated with the second air channel, and the first direction and the second direction are arranged at an included angle. All there is a second branch road wind channel between two adjacent first branch road wind channels, can guarantee that the air-out is even, and refrigeration or heating are effectual.

Description

Display cabinet

Technical Field

The invention relates to the technical field of storage devices, in particular to a display cabinet.

Background

In supermarkets, malls, restaurants and the like, articles such as fresh food or food materials are usually displayed or displayed through showcases.

In the related art, an open showcase is provided, in which an open storage chamber is provided, a refrigerating device is provided inside the showcase, and cold air is generated by the refrigerating device and blown to the storage chamber by a fan to refrigerate and keep fresh the goods in the storage chamber. In order to maintain the temperature in the storage bin stable, an air curtain is arranged at the opening, and the heat exchange between the inside and the outside of the display cabinet is separated through the air curtain. However, the showcase provided in the related art has a single operation mode, and generally only enables the articles in the storage compartment to be at the same temperature, and when different articles need to be stored in different temperature environments, the showcase provided in the related art cannot meet the requirement.

In view of the above, in the related art, another open-type display cabinet having different temperature environments is provided, in which a hot air source and a cold air source are provided, and one of the hot air source and the cold air source heats or cools the articles in the display cabinet according to the heating or cooling requirement, so that the interior of the display cabinet can maintain different temperatures, and the requirements of various articles on different temperatures can be met, but the temperature inside the display cabinet in the related art is unbalanced, which affects the heating or cooling effect of the articles.

Disclosure of Invention

The invention aims to provide a display cabinet to solve the problem of temperature imbalance inside the display cabinet in the related art.

The present invention provides a showcase, including:

the cabinet body comprises an outer shell and an inner shell embedded in the outer shell, the inner shell forms a containing bin for containing articles, an opening is formed in one side of the containing bin, a first air duct and a second air duct which are communicated with the containing bin are arranged between the outer shell and the inner shell, the first air duct comprises a plurality of first branch air ducts which are communicated with each other, the second air duct comprises at least one second branch air duct, the plurality of first branch air ducts and the at least one second branch air duct extend along a first direction and are arranged at intervals along a second direction, and one second branch air duct is arranged between every two adjacent first branch air ducts;

the first temperature adjusting device is communicated with the first air duct;

the second temperature adjusting device is communicated with the second air duct;

the first direction and the second direction are arranged at an included angle.

As a preferable aspect of the showcase, in the first direction, the first temperature adjustment device is located at a first end of the cabinet, the second temperature adjustment device is located at a second end of the cabinet, the first temperature adjustment device includes a cooling assembly, and the second temperature adjustment device includes a heating assembly.

As a preferable scheme of the showcase, along the first direction, the cabinet body has a first end and a second end, the inner shell includes a first wall adjacent to the first end and a second wall adjacent to the second end, and the first wall is provided with an air inlet of a first air duct; and an air inlet and an air outlet which are communicated with the first air channel and the second air channel are arranged on the second wall, and face the air inlet of the first air channel.

As a preferable scheme of the showcase, the showcase further includes a first passage plate and a second passage plate which are arranged at an interval in the first direction, the first passage plate and the second passage plate are located between the second wall and the housing, the first passage plate and the second passage plate form an air outlet of a first air duct, an air inlet of a second air duct is formed between the second wall and the housing, and the air outlet of the first air duct and the air inlet of the second air duct are both opposite to and communicated with the air inlet and the air outlet.

As a preferable scheme of the showcase, the showcase further includes an air filter element, the air filter element is installed between the air inlet and outlet and the air outlet of the first air duct and between the air inlet and outlet and the air inlet of the second air duct, and the air outlet of the first air duct and the air inlet of the second air duct are both communicated with the accommodating chamber through the air filter element and the air inlet and outlet.

As a preferred scheme of the display cabinet, the display cabinet further comprises a partition plate assembly, a partition plate air duct is arranged in the partition plate assembly, the partition plate air duct is provided with a partition plate air outlet and a plurality of partition plate air inlets, the plurality of partition plate air inlets and the plurality of first branch air ducts are arranged in a one-to-one correspondence manner, the partition plate air duct can be respectively communicated with the plurality of first branch air ducts through the plurality of partition plate air inlets, the partition plate air duct is communicated with the accommodating bin through the partition plate air outlet, and the partition plate air outlet faces the air inlet of the first air duct.

As a preferable aspect of the showcase, the inner case includes a first wall and a second wall in the first direction, the showcase further includes a partition plate assembly mounted to the inner case and located between the first wall and the second wall, the partition plate assembly dividing the accommodating chamber into a first temperature storage region and a second temperature storage region, the partition plate assembly having a first position and a second position;

when the partition plate assembly is located at the first position, the partition plate assembly simultaneously separates each first branch air duct from each second branch air duct, each first branch air duct is only communicated with the first temperature storage area, and each second branch air duct is only communicated with the second temperature storage area;

when the partition plate assembly is located at the second position, each first branch air duct is communicated with the first temperature storage area and the second temperature storage area at the same time, and each second branch air duct is communicated with the first temperature storage area and the second temperature storage area at the same time.

As a preferable scheme of the display cabinet, an air inlet of a first air duct is arranged on the first wall, and an air inlet and an air outlet which are communicated with the first air duct and the second air duct are arranged on the second wall;

at least one laminate assembly is arranged in the first temperature storage area, a laminate air duct is arranged inside the laminate assembly, the laminate air duct is provided with a laminate air outlet and a laminate air inlet, the laminate air duct is communicated with each first branch air duct through the laminate air inlet, and the laminate air outlet faces to the air inlet of the first air duct; and/or

At least one layer plate assembly is arranged in the second temperature storage area, the layer plate assembly is communicated with each second branch air channel through the layer plate air inlet, and the layer plate air outlet faces the air inlet and the air outlet.

As a preferable aspect of the showcase, the first direction is a vertical direction, and the second direction is a horizontal direction.

As a preferable scheme of the showcase, the first air duct includes two first branch air ducts and a first middle air duct connecting the two first branch air ducts, and the first temperature adjustment device is communicated with the first middle air duct; the second air duct includes one of the second branch air ducts.

The invention has the beneficial effects that:

the invention provides a showcase which comprises a showcase body, a first temperature adjusting device and a second temperature adjusting device. The cabinet body comprises an outer shell and an inner shell, the inner shell is embedded in the outer shell, the inner shell forms a containing bin for containing articles, an opening is formed in one side of the containing bin, a first air channel and a second air channel which are communicated with the containing bin are arranged between the outer shell and the inner shell, the first air channel comprises a plurality of first branch air channels which are communicated with each other, the second air channel comprises at least one second branch air channel, the plurality of first branch air channels and the at least one second branch air channel extend along a first direction, the plurality of first branch air channels are distributed at intervals along a second direction, and a second branch air channel is arranged between every two adjacent first branch air channels; the first temperature adjusting device is communicated with the first air channel, the second temperature adjusting device is communicated with the second air channel, and the first direction and the second direction are arranged at an included angle. The first temperature adjusting device or the second temperature adjusting device is used independently or simultaneously, so that different temperature environments can be provided for the articles in the accommodating bin, when only the first temperature adjusting device is used, the first branch air ducts arranged at intervals along the second direction can ensure uniform air outlet in the second direction, and the temperature of the inner space of the accommodating bin is subjected to balanced adjustment; when only the second temperature adjusting device is used, the second branch air channel is arranged between every two adjacent first branch air channels and extends along the first direction, so that the uniform air outlet in the first direction and the second direction can be ensured, and the balanced adjustment of the temperature in the inner space of the containing bin can be realized.

Drawings

FIG. 1 is a schematic view of a display case according to an embodiment of the present invention;

FIG. 2 is a first schematic view of a portion of a display case according to an embodiment of the present invention;

FIG. 3 is a second schematic view of a portion of a display case according to an embodiment of the present invention;

FIG. 4 is an enlarged view at A of FIG. 3;

FIG. 5 is a third schematic view of a portion of a display case according to an embodiment of the present invention;

FIG. 6 is a fourth schematic view of a portion of the display case of the embodiment of the present invention;

FIG. 7 is a schematic view showing a part of a showcase according to an embodiment of the present invention;

FIG. 8 is a schematic illustration of a partition assembly in an embodiment of the present invention;

FIG. 9 is a schematic view of the construction of the shelf in the display case of the embodiment of the present invention;

FIG. 10 is a schematic view of the first and second air ducts in the display case of an embodiment of the present invention;

FIG. 11 is a schematic view of the first temperature storage region and the second temperature storage region of the display case of the embodiment of the present invention shown therein during refrigeration;

FIG. 12 is a schematic view of the first temperature storage region refrigerating and the second temperature storage region heating within the display case of the embodiment of the present invention;

FIG. 13 is a schematic view of the first temperature storage area refrigerating and the second temperature storage area cooling in the display case of the embodiment of the present invention;

fig. 14 is a schematic structural view showing the first temperature storage region in the showcase of the embodiment of the present invention at normal temperature and the second temperature storage region in the showcase for heating.

In the figure:

1-a cabinet body; 11-a housing; 12-an inner shell; 121-a first wall; 122-a second wall; 123-a back plate; 124-an air inlet of the first air duct; 125-first temperature storage area; 126-a second temperature storage area; 127-a first vent; 13-a holding bin; 14. opening the mouth;

2-a first temperature regulating device; 21-a compressor; 22-an evaporator; 23-a condenser; 24-a cold air blower;

3-a second temperature regulating device; 31-heating tube; 32-a hot air blower;

41-a first air duct; 411 — first branch air duct; 412-a first intermediate duct; 42-a second air duct; 421-a second branch air duct; 422-a second intermediate air duct;

51-a first channel plate; 52-second channel plate; 53-an air outlet of the first air duct; 54-an air inlet of the second air duct; 55-air inlet and outlet;

6-an air filter element;

7-a separator plate assembly; 71-a separator; 711-a first runner; 712-baffle ducts; 713-baffle intake; 714-a baffle air outlet; 72-adjusting plate; 73-a first wrench;

81-laminate assembly; 811-laminate duct; 812-a laminate air outlet; 813-laminate air inlet; 814-an air blowing port;

91-layer plate; 92-a heat-insulating layer; 93-a window; 94-lighting lamps; 95-night curtain; 96-billboard.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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 present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is a schematic view of a display case according to an embodiment of the present invention; FIG. 2 is a first schematic view of a portion of a display case according to an embodiment of the present invention; FIG. 3 is a second schematic view of a part of the structure of the showcase in the embodiment of the present invention; FIG. 4 is an enlarged view at A of FIG. 3; FIG. 5 is a third schematic view of a portion of a display case according to an embodiment of the present invention; FIG. 6 is a fourth schematic view of a portion of the display case of the embodiment of the present invention; FIG. 7 is a schematic view showing a part of the structure of a showcase in the embodiment of the present invention; FIG. 8 is a schematic illustration of a partition assembly in an embodiment of the present invention; FIG. 9 is a schematic illustration of a layer assembly in an embodiment of the present invention for a display case; FIG. 10 is a schematic view of the first and second air ducts in the display case of an embodiment of the present invention; FIG. 11 is a schematic view of the first temperature storage region and the second temperature storage region of the display case of the embodiment of the present invention shown therein during refrigeration; FIG. 12 is a schematic view of the first temperature storage region refrigerating and the second temperature storage region heating within the display case of the embodiment of the present invention; FIG. 13 is a schematic view of the first temperature storage region refrigerating and the second temperature storage region cooling in the display case of the embodiment of the present invention; fig. 14 is a schematic structural view showing the first temperature storage region in the showcase of the embodiment of the present invention at normal temperature and the second temperature storage region in the showcase for heating. Referring to fig. 1 to 14, the present embodiment provides a showcase, which includes a cabinet body 1, a first temperature adjustment device 2, and a second temperature adjustment device 3. The cabinet body 1 includes that shell 11 and the inner shell 12 of locating in shell 11 embed, inner shell 12 forms the storehouse 13 that holds of article, and the one side that holds storehouse 13 is equipped with uncovered 14, be equipped with between shell 11 and the inner shell 12 all with hold first wind channel 41 and the second wind channel 42 of storehouse 13 intercommunication, first wind channel 41 includes a plurality of first branch wind channels 411 that communicate each other, second wind channel 42 includes at least one second branch wind channel 421, a plurality of first branch wind channels 411 and at least one second branch wind channel 421 all extend along the first direction and arrange along the second direction interval, be equipped with a second branch wind channel 421 between two adjacent first branch wind channels 411. The first thermostat 2 communicates with the first air duct 41. The second thermostat 3 communicates with the second air duct 42. The first direction and the second direction are arranged at an included angle. It can be understood that, when there are a plurality of second branch air channels 421, the plurality of second branch air channels 421 communicate with each other at an included angle greater than 0 ° and smaller than 180 °.

First temperature regulation apparatus 2 can be with the wind thermoregulation through it and will adjust the temperature the wind after carry to holding storehouse 13 through first wind channel 41, realize the thermoregulation to holding storehouse 13, and in the same way, second temperature regulation apparatus 3 can be with the wind thermoregulation through it equally to carry to holding storehouse 13 through second wind channel 42 with the wind after adjusting the temperature, realize the thermoregulation to holding storehouse 13. The first air duct 41 and the second air duct 42 are independent of each other and do not directly communicate with each other in this embodiment, and both communicate with the accommodating chamber 13.

In this embodiment, the first temperature adjustment device 2 or the second temperature adjustment device 3 is used alone, or the first temperature adjustment device 2 and the second temperature adjustment device 3 are used simultaneously, so that different temperature environments can be provided for the articles in the accommodating bin 13, when only the first temperature adjustment device 2 is used, the plurality of first branch air ducts 411 arranged at intervals in the second direction can ensure uniform air outlet in the second direction, the temperature in the accommodating bin 13 is equalized, and the refrigerating or heating effect on the articles in the accommodating bin 13 is ensured; when only the second temperature adjusting device 3 is used, because each two adjacent first branch air channels 411 are provided with one second branch air channel 421, and the second branch air channels 421 extend along the first direction, at least one second branch air channel 421 can also ensure even air outlet in the first direction and the second direction, so that the temperature in the accommodating bin 13 is balanced, and the refrigerating or heating effect on the articles in the accommodating bin 13 is ensured; the first temperature adjustment device 2 and the second temperature adjustment device 3 can both perform the equilibrium adjustment of the temperature of the inner space of the accommodating chamber 13.

Optionally, the width of each first branch air duct 411 in the second direction is equal, and the width of each second branch air duct 421 in the second direction is equal. Alternatively, in the second direction, the plurality of first branch air channels 411 are arranged in the center with respect to the width direction of the inner casing 12, and the at least one second branch air channel 421 is arranged in the center with respect to the width direction of the inner casing 12. It is thereby possible to ensure that the first air duct 41 and the second air duct 42 further equalize the temperature adjustment of the accommodating chamber 13 in the second direction.

Referring to fig. 11 to 14, in a first direction, the first temperature adjustment device 2 is located at a first end of the cabinet 1, the second temperature adjustment device 3 is located at a second end of the cabinet 1, the first temperature adjustment device 2 includes one of a cooling component and a heating component, and the second temperature adjustment device 3 includes one of a cooling component and a heating component. Therefore, the first temperature adjusting device 2 can be independently started to cool or heat the articles in the accommodating chamber 13, and the second temperature adjusting device 3 can be independently started to heat or cool the articles in the accommodating chamber 13. Alternatively, in the present embodiment, the first temperature adjustment device 2 includes a cooling component, and the second temperature adjustment device 3 includes a heating component. In other embodiments provided by the present invention, the first temperature adjustment device 2 and the second temperature adjustment device 3 may also be a cooling component at the same time or a heating component at the same time, or the first temperature adjustment device 2 includes a heating component and the second temperature adjustment device 3 includes a cooling component.

The refrigeration assembly comprises a compressor 21, an evaporator 22, an expansion valve and a condenser 23 which form a closed loop, and further comprises a plurality of cold air fans 24 arranged near the evaporator 22, and cold energy emitted by the evaporator 22 is driven to the plurality of first branch air channels 411 by the cold air fans 24 and finally enters the accommodating bin 13. The structural form and the working principle of the refrigeration component are the refrigeration component in the related art, and the details are not repeated herein.

The heating assembly includes a heating pipe 31 and a hot air blower 32, and the heat emitted from the heating pipe 31 is blown to each second branch air duct 421 by the hot air blower 32 and finally enters the accommodating chamber 13, wherein the heating pipe 31 may be a PTC heating pipe, or may also be a heating element such as a heating wire or a condenser. The structural form and the working principle of the heating assembly are the same as those of the heating assembly in the related art, and the detailed description is omitted.

In this embodiment, the temperature in the accommodating chamber 13 can reach T1 by cooling alone, the temperature in the accommodating chamber 13 can reach T2 by heating alone, and when the first temperature adjustment device 2 and the second temperature adjustment device 3 are both turned on, the temperature in the accommodating chamber 13 can be controlled to be T3 by controlling the rotation speeds of the cold air blower 24 and the hot air blower 32, and the output powers of the compressor 21 and the heating pipe 31, and the T3 is located between T1 and T2.

Optionally, the first direction is a vertical direction, the second direction is a horizontal direction, and the second direction is specifically a left-right direction of the cabinet 1 in this embodiment. When the cabinet body 1 is higher than the width of the cabinet body in the left-right direction in the vertical direction, the first temperature adjusting device 2 and the second temperature adjusting device 3 are respectively positioned at the upper end and the lower end of the cabinet body 1, so that the distance between the first temperature adjusting device and the second temperature adjusting device is maximized, the mutual influence between the first temperature adjusting device and the second temperature adjusting device can be reduced, and the energy conservation is facilitated. Preferably, the first end of the cabinet body 1 is located below the second end, so that the first end is the bottom end of the cabinet body 1, and the second end is the top end of the cabinet body 1, in the embodiment, the first temperature adjusting device 2 comprises a refrigerating assembly, the second temperature adjusting device 3 comprises a heating assembly, the volume of the refrigerating assembly is larger than that of the heating assembly of the second temperature adjusting device 3, the refrigerating assembly is arranged at the bottom of the cabinet body 1, so that the installation and maintenance can be facilitated, and meanwhile, the stability of the display cabinet can also be improved. In other embodiments, the first direction and the second direction may be arbitrarily set according to actual needs, wherein the preferable scheme is that the first direction is along the left-right direction of the cabinet body 1, the second direction is perpendicular to the first direction and is located in the vertical direction, the first temperature adjusting device 2 and the second temperature adjusting device 3 are located at the left and right sides of the cabinet body 1, and the showcase is more suitable for the situation where the size of the cabinet body 1 in the width direction is greater than the height of the cabinet body 1 in the vertical direction.

Referring to fig. 3 and 6, preferably, the inner casing 12 includes a first wall 121 and a second wall 122, the first wall 121 is adjacent to the first end of the cabinet 1, the second wall 122 is adjacent to the second end of the cabinet 1, the first wall 121 is provided with an air inlet 124 of a first air duct, the second wall 122 is provided with an air inlet and outlet 55 communicated with both the first air duct 41 and the second air duct 42, and the air inlet and outlet 55 faces the air inlet 124 of the first air duct. Under the drive of the cold air blower 24, the air in the accommodating chamber 13 enters the first air duct 41 from the air inlet 124 of the first air duct and enters the accommodating chamber 13 through the air inlet/outlet 55, so that under the drive of the cold air blower 24, the air flow in the accommodating chamber 13 circulates and forms a cold air curtain between the air inlet/outlet 55 and the air inlet 124 of the first air duct, which is beneficial to keeping the temperature balance in the accommodating chamber 13. Preferably, the air inlet 124 and the air inlet and outlet 55 of the first air duct are both adjacent to the opening 14, so that the cold air curtain can effectively isolate the temperature exchange between the inside of the accommodating bin 13 and the outside, thereby playing a role of heat preservation and being beneficial to energy conservation.

In this embodiment, the inner housing 12 further includes a back plate 123, and the back plate 123 is disposed between the first wall 121 and the second wall 122.

Referring to fig. 4, the first wall 121 is provided with a plurality of rows of air inlets 124 of the first air duct, each row of air inlets 124 of the first air duct includes a plurality of air inlets 124 of the first air duct, the plurality of air inlets 124 of the first air duct of each row of air inlets of the first air duct are arranged at equal intervals along the second direction, the plurality of rows of air inlets of the first air duct are arranged at equal intervals along the depth direction of the accommodating bin 13, and the plurality of rows of air inlets of the first air duct are close to the opening 14. Optionally, in order to ensure the temperature isolation effect, the length of the air inlet of each row of the first air duct in the second direction is matched with the width dimension of the accommodating bin 13 in the second direction. It should be noted that the shape of the air inlet 124 of the first air duct and the air outlet 53 of the first air duct is not limited in this embodiment, for example, the air inlet 124 of the first air duct may be configured in a long-strip hole shape or a round hole shape.

Referring to fig. 6 and 7, the showcase further includes a first passage plate 51 and a second passage plate 52 spaced apart along the first direction, the first passage plate 51 and the second passage plate 52 are located between the second wall 122 and the housing 11, the first passage plate 51 and the second passage plate 52 form an air outlet 53 of the first air duct, an air inlet 54 of the second air duct is formed between the second wall 122 and the housing 11, and both the air outlet 53 of the first air duct and the air inlet 54 of the second air duct are opposite to and communicated with the air inlet 55. Specifically, in the present embodiment, the first channel plate 51 and the second channel plate 52 are both located between the second wall 122 of the inner casing 12 and the top wall of the outer casing 11. Preferably, the first passage plate 51 and the second passage plate 52 are each substantially L-shaped, so that the air outlet 53 of the first air duct and the air inlet 54 of the second air duct are both directed toward the accommodating chamber 13, and the first air duct 41 and the second air duct 42 can be bent to enhance the wind force.

Referring to fig. 6 and fig. 11 to 14, the showcase further includes an air filter 6, the air filter 6 is installed between the air inlet/outlet 55 and the air outlet 53 of the first air duct, and between the air inlet/outlet 55 and the air inlet 54 of the second air duct, and both the air outlet 53 of the first air duct and the air inlet 54 of the second air duct are communicated with the accommodating chamber 13 through the air filter 6 and the air inlet/outlet 55. Therefore, the first air duct 41 and the second air duct 42 share one air filter 6, so that the size of the display case can be reduced, and the cost can be effectively reduced.

Referring to fig. 1, 2, 5, 8 and 11 to 14, the showcase further includes a partition assembly 7, the partition assembly 7 is mounted on the inner shell 12 and located between the first wall 121 and the second wall 122, and the partition assembly 7 divides the accommodating chamber 13 into a first temperature storage area 125 and a second temperature storage area 126 along the first direction. Specifically, the first temperature storage region 125 is adjacent the first wall 121 and the second temperature storage region 126 is adjacent the second wall 122. The diaphragm assembly 7 has a first position and a second position. When the partition assembly 7 is located at the first position, the partition assembly 7 simultaneously partitions each first branch air duct 411 and each second branch air duct 421, and the first branch air duct 411 is only communicated with the first temperature storage area 125, so that the first temperature adjustment device 2 can adjust the temperature of the first temperature storage area 125 through the first air duct 41; the second branch duct 421 communicates only with the second temperature storage area 126, so that the second temperature adjustment device 3 can adjust the temperature of the second temperature storage area 126 through the second duct 42. When the partition assembly 7 is located at the second position, the first branch duct 411 is simultaneously communicated with the first temperature storage area 125 and the second temperature storage area 126, that is, simultaneously communicated with the accommodating chamber 13, so that the first temperature adjusting device can adjust the temperature of the accommodating chamber 13 through the first duct 41; the second branch duct 421 communicates with both the first temperature storage area 125 and the second temperature storage area 126, so that the second temperature adjustment device 3 can adjust the temperature of the accommodating chamber 13 through the second duct 42.

When the partition assembly 7 is located at the first position, please refer to fig. 13, only the first temperature adjustment device 2 may be turned on to adjust the temperature of the first temperature storage area 125, such as cooling, and the second temperature storage area 126 is kept at the normal temperature; referring to fig. 14, only the second temperature adjustment device 3 may be turned on to adjust the temperature of the second temperature storage area 126, such as heating, and the first temperature storage area 125 is kept at the normal temperature; referring to fig. 12, the first temperature adjustment device 2 and the second temperature adjustment device 3 may be turned on simultaneously to achieve the respective temperature adjustment of the first temperature storage area 125 and the second temperature storage area 126, such as cooling the first temperature storage area 125 and heating the second temperature storage area 126.

When the partition assembly 7 is located at the second position, please refer to fig. 11, only the first temperature adjustment device 2 may be turned on to simultaneously perform temperature adjustment, such as refrigeration, on the first temperature storage area 125 and the second temperature storage area 126 (i.e., the accommodating compartment 13), or only the second temperature adjustment device 3 may be turned on to simultaneously perform temperature adjustment, such as heating, on the first temperature storage area 125 and the second temperature storage area 126 (i.e., the accommodating compartment 13), or both the first temperature adjustment device 2 and the second temperature adjustment device 3 may be turned on to simultaneously perform temperature adjustment, such as heating, on the first temperature storage area 125 and the second temperature storage area 126, and the temperature may be maintained at T3, or both the first temperature adjustment device 2 and the second temperature adjustment device 3 may be turned off to maintain the first temperature storage area 125 and the second temperature storage area 126 at normal temperature.

Optionally, a partition air duct 712 is disposed in the partition assembly 7, the partition air duct 712 is provided with a partition air outlet 714 and a plurality of partition air inlets 713, the plurality of partition air inlets 713 and the plurality of first branch air ducts 411 are disposed in a one-to-one correspondence, the partition air duct 712 can be respectively communicated with the plurality of first branch air ducts 411 through the plurality of partition air inlets 713, the partition air duct 712 is communicated with the accommodating bin 13 through the partition air outlet 714, and the partition air outlet 714 faces the air inlet 124 of the first air duct. It will be appreciated that when the partition assembly 7 is in the first position, each first branch duct 411 can communicate with the first temperature storage area 125 and not with the second temperature storage area 126 through the corresponding partition inlet 713, partition duct 712 and partition outlet 713. Therefore, when the partition assembly 7 is located at the first position and the first temperature adjustment device 2 is turned on, airflow circulation, i.e., an air curtain, can be formed between the partition air outlet 714 and the air inlet 124 of the first air duct, so that the first temperature storage area 125 can be isolated from the outside, air convection is avoided, and a heat preservation effect is achieved. When the partition assembly 7 is in the second position and the first temperature adjustment device 2 is turned on, air curtains are formed between the partition outlet 714 and the air inlet 124 of the first air duct and between the air inlet/outlet 55 and the air inlet 124 of the first air duct, so that the first temperature storage area 125 can be insulated by a double-layer air curtain, and the second temperature storage area 126 is insulated by a single-layer air curtain.

The diaphragm assembly 7 includes a diaphragm 71 and a plurality of regulation plates 72. The partition plate 71 is installed on the back plate 123 of the inner shell 12, the adjusting plates 72 are all slidably arranged on the partition plate 71, the adjusting plates 72 are arranged in one-to-one correspondence with the first branch air ducts 411, when the partition plate assembly 7 is located at the first position, each adjusting plate 72 is inserted into and partitions the corresponding first branch air duct 411, and at this time, each first branch air duct 411 is only communicated with the first temperature storage area 125. When the partition assembly 7 is located at the second position, each adjusting plate 72 is located outside the corresponding first branch duct 411, and each first branch duct 411 is simultaneously communicated with the first temperature storage area 125 and the second temperature storage area 126.

The diaphragm assembly 7 further comprises at least one second regulation plate (not shown in the drawings). Each second adjusting plate is slidably disposed on the partition plate 71, and at least one second adjusting plate is disposed in one-to-one correspondence with at least one second branch duct 421. When the partition assembly 7 is located at the first position, each second adjusting plate is inserted into and separates the corresponding second branch duct 421, and at this time, the plurality of second branch ducts 421 are only communicated with the second temperature storage area 126. When the partition assembly 7 is located at the second position, each second adjusting plate is located outside the corresponding second branch duct 421, and at this time, each second branch duct 421 is simultaneously communicated with the first temperature storage area 125 and the second temperature storage area 126.

Optionally, the partition plate assembly 7 further includes a first wrench 73 and a second wrench (not shown in the drawings), the partition plate 71 is provided with a first sliding groove 711 and a second sliding groove (not shown in the drawings), the first wrench 73 is slidably located in the first sliding groove 711, the first wrench 73 is simultaneously connected with each adjusting plate 72, the second wrench is slidably located in the second sliding groove, and the second wrench is simultaneously connected with each second adjusting plate, the first wrench 73 is wrenched, each adjusting plate 72 can be driven by the first wrench 73 to simultaneously enter and exit the first branch air duct 411, so that the partition plate assembly 7 is switched between the first position and the second position, and when the adjusting plate 72 enters the corresponding first branch air duct 411, the adjusting plate 72 blocks the corresponding first branch air duct 411; when the second wrench is wrenched, each second adjusting plate can be driven by the second wrench to simultaneously enter and exit the second branch air channel 421, when the second adjusting plate enters the corresponding second branch air channel 421, the corresponding second branch air channel 421 is separated by the second adjusting plate, and the partition plate assembly 7 is located at the first position.

It should be noted that the partition assembly 7 in this embodiment further has a third position and a fourth position, when the partition assembly 7 is located at the third position, each adjusting plate 72 enters the corresponding first branch air duct 411, and each second adjusting plate exits the corresponding second branch air duct 421, at this time, if the first temperature adjusting device 2 and the second temperature adjusting device 3 are simultaneously turned on, the first temperature adjusting device 2 can perform temperature adjustment, such as cooling, on the first temperature storage area 125, and the second temperature adjusting device 3 can perform temperature adjustment, such as heating, on the first temperature storage area 125 and the second temperature storage area 126 simultaneously. When the partition assembly 7 is located at the fourth position, each adjusting plate 72 exits the corresponding first branch air duct 411, each second adjusting plate enters the corresponding second branch air duct 421, at this time, the first temperature adjusting device 2 and the second temperature adjusting device 3 are simultaneously turned on, the first temperature adjusting device 2 can simultaneously perform temperature adjustment, such as refrigeration, on the first temperature storage area 125 and the second temperature storage area 126, and the second temperature adjusting device 3 performs temperature adjustment, such as heating, on the second temperature storage area 126.

In other embodiments, the first wrench 73 and the second wrench may be integrated, and the position of each adjusting plate 72 and each second adjusting plate may be adjusted by one wrench.

Referring to fig. 1, 5, 9, and 11 to 14, at least one layer plate assembly 81 is disposed in the first temperature storage area 125, a layer plate air duct 811 is disposed inside the layer plate assembly 81, the layer plate air duct 811 has a layer plate air outlet 812 and a layer plate air inlet 813, the layer plate air duct 811 is respectively communicated with each first branch air duct 411 through the layer plate air inlet 813, the layer plate air outlet 812 faces the air inlet 124 of the first air duct, and/or at least one layer plate assembly 81 is disposed in the second temperature storage area 126, the layer plate assembly 81 is respectively communicated with each second branch air duct 421 through the layer plate air inlet 813, and the layer plate air outlet 812 faces the air inlet/outlet 55. In this embodiment, the deck assembly 81 is parallel to the horizontal plane, and the deck assembly 81 is also used to support an item.

When the laminate assemblies 81 are disposed in the first temperature storage area 125, if the first temperature adjustment device 2 is turned on, an air curtain is formed between the laminate outlet 812 of each laminate assembly 81 and the air inlet 124 of the first air duct, so as to insulate the items in the first temperature storage area 125. When the laminate assembly 81 is disposed in the second temperature storage area 126, if the second temperature adjustment device 3 is turned on, an air curtain is formed between each of the laminate air inlets 813 and the air inlets and outlets 55, so that the heat of the objects in the second temperature storage area 126 can be preserved. Preferably, the shelf assemblies 81 are provided in both the first temperature storage area 125 and the second temperature storage area 126, and as shown in fig. 12, when the partition assembly 7 is in the first position and the first thermostat 2 and the second thermostat 3 are both turned on, both the first temperature storage area 125 and the second temperature storage area 126 may be insulated by an air curtain.

The laminate air duct 811 of the laminate assembly 81 located in the first temperature storage area 125 is respectively communicated with each first branch air duct 411 and each second branch air duct 421 through a laminate air inlet 813, the laminate air duct 811 of the laminate assembly 81 located in the second temperature storage area 126 is respectively communicated with each first branch air duct 411 and each second branch air duct 421 through a laminate air inlet 813, a first baffle is arranged at the laminate air inlet 813 communicated with each first branch air duct 411, a second baffle is arranged at the laminate air inlet 813 communicated with each second branch air duct 421, each first baffle is driven by a third wrench to simultaneously enter and exit the corresponding laminate air inlet 813, and each second baffle is driven by a fourth wrench to simultaneously enter and exit the corresponding laminate air inlet 813. When the first baffle plate enters the corresponding laminate air inlet 813, the first baffle plate seals the laminate air inlet 813 to partition the laminate air duct 811 from the first branch air ducts 411, and when the second baffle plate enters the laminate air inlet 813, the second baffle plate seals the laminate air inlet 813 to partition the laminate air duct 811 from the second branch air ducts 421.

Further, plywood air outlet 812 department is equipped with the air adjusting plate, rotate the air adjusting plate and can adjust the air-out direction of plywood air outlet 812, specifically, plywood air outlet 812 is the rectangle, plywood wind channel 811 is by relative first lateral wall and the second lateral wall that sets up to and relative third lateral wall and the fourth lateral wall that sets up enclose and establish and form, wherein third lateral wall and fourth lateral wall set up along first direction relatively, the air adjusting plate passes through the pivot with the first lateral wall and the second lateral wall of plywood wind channel 811 respectively, the pivot is close to plywood air outlet 812 department. The first end of air regulating plate stretches into plywood wind channel 811, and the second end of air regulating plate is located plywood wind channel 811 outside, and the pivot pin joint is held between the first end of air regulating plate and the second to rotate the air regulating plate, make the first end of air regulating plate and the third lateral wall of plywood wind channel 811 or the fourth lateral wall butt of plywood wind channel 811, can adjust the air-out direction of plywood subassembly 81. When the first end of the air adjusting plate abuts against the third side wall of the laminate air duct 811, the air outlet direction of the laminate assembly 81 approximately faces the air inlet 124 of the first air duct, and when the first end of the air adjusting plate abuts against the fourth side wall of the laminate air duct 811, the air outlet direction of the laminate assembly 81 approximately faces the air inlet/outlet 55.

Therefore, when the partition plate assembly 7 is located at the first position and the first temperature adjusting device 2 and the second temperature adjusting device 3 are both opened, for each laminate plate assembly 81 in the first temperature storage area 125, each first baffle plate is driven to exit to the corresponding laminate plate air inlet 813 by the third wrench, each second baffle plate is driven to enter the corresponding laminate plate air inlet 813 by the fourth wrench, and the air outlet direction of each laminate plate assembly 81 can be enabled to face the air inlet of the first air duct by adjusting the first end of each air adjusting plate to abut against the third side wall of the laminate plate air duct 811, so that an air curtain is formed by the air outlet 124 of the first air duct and the air inlet of the first air duct; for each laminate assembly 81 in the second temperature storage area 126, each first baffle is driven by the third wrench to enter the corresponding laminate air inlet 813, each second baffle is driven by the fourth wrench to exit the corresponding laminate air inlet 813, the first ends of the air adjusting plates are respectively abutted against the fourth side wall of the laminate air duct 81, the air outlet direction of the laminate air outlet 812 of each laminate assembly 81 faces the air inlet and outlet 55, and thus an air curtain is formed with the air inlet and outlet 55.

When the partition plate assembly 7 is located at the second position and the first temperature adjusting device 2 is independently opened, for each laminate plate assembly 81 in the first temperature storage area 125, each first baffle plate is driven to exit to the corresponding laminate plate air inlet 813 by the third wrench, each second baffle plate is driven to enter the corresponding laminate plate air inlet 813 by the fourth wrench, the air outlet direction of each laminate plate assembly 81 can be enabled to face the air inlet 124 of the first air duct by adjusting the first end of each air adjusting plate to abut against the third side wall of the laminate plate air duct 811, and thus each laminate plate assembly 81 and the air inlet 124 of the first air duct form an air curtain; to each plywood subassembly 81 in the second temperature storage area 126, drive each first baffle through the third spanner and withdraw from corresponding second plywood air intake 823, drive each second baffle through the fourth spanner and get into corresponding second plywood air intake 823, all with the third lateral wall butt in plywood wind channel 811 through the first end of adjusting each air regulating plate, can make the air-out direction of each plywood subassembly 81 towards the air intake 124 in first wind channel, thereby form the wind curtain between each plywood subassembly 81 all and the air intake 124 in first wind channel. When the partition plate assembly 7 is located at the second position and the second temperature adjusting device 3 is separately turned on, the adjusting manner is similar to that of the above-mentioned scheme, and the details are not repeated herein, so that each layer plate assembly 81 and the air inlet and outlet 55 form an air curtain.

Preferably, the rotating shaft is equidistant from the third sidewall of the laminate air duct 811 and the fourth sidewall of the laminate air duct 811. Magnets are arranged on the third side wall of the laminated plate air duct 811 and the fourth side wall of the laminated plate air duct 811, the air adjusting plate is made of materials (such as iron, steel and the like) capable of being magnetically adsorbed, the air adjusting plate is rotated, and the first end of the air adjusting plate can be respectively attracted with the magnets on the third side wall or attracted with the magnets on the fourth side wall.

Alternatively, surfaces of opposite sides of the laminate assembly 81 in the first direction (the upper and lower surfaces of the laminate assembly 81 in this embodiment) are provided with a plurality of rows of air blowing ports, each of which includes a plurality of air blowing ports 814 arranged at equal intervals, and the plurality of air blowing ports 814 are arranged at equal intervals in the second direction, and temperature adjustment of the space between the adjacent two layers of laminate assemblies 81 by the plurality of rows of air blowing ports 814 is possible. The surfaces of opposite sides of the laminate assembly 81 in the first direction are also provided with rows of air blowing openings.

Referring to fig. 1 and 5, the showcase further includes at least one deck 91 positioned in the accommodating chamber 13, the deck 91 is detachably connected to the back plate 123 of the inner shell 12, and the deck 91 is disposed in parallel with the deck assembly 81.

Referring to fig. 1, optionally, a plurality of sets of first ventilation holes are disposed on a back plate 123 of the inner casing 12, the plurality of sets of first ventilation holes are disposed at intervals along a first direction, wherein one portion of the plurality of sets of first ventilation holes is communicated with the first temperature storage area 125, the other portion of the plurality of sets of first ventilation holes is communicated with the second temperature storage area 126, each set of first ventilation holes includes a plurality of first ventilation holes 127 disposed at intervals along a second direction, and the first air duct 41 can supply air to the accommodating chamber 13 through the plurality of sets of first ventilation holes, so as to adjust the temperature. It is understood that the first ventilation hole may be a whole hole or may be formed of a plurality of small holes.

Optionally, a plurality of sets of second ventilation holes are formed in the back plate 123 of the inner shell 12, the plurality of sets of second ventilation holes are arranged at intervals along the first direction, wherein one portion of the plurality of sets of second ventilation holes is communicated with the first temperature storage area 125, the other portion of the plurality of sets of second ventilation holes is communicated with the second temperature storage area 126, each set of second ventilation holes includes at least one second ventilation hole, the at least one second ventilation hole and the at least one second branch air channel 421 are arranged in a one-to-one correspondence manner, and when each set of second ventilation holes includes a plurality of second ventilation holes, the plurality of second ventilation holes are arranged at intervals along the second direction, so that the second air channels 42 can adjust the temperature in the accommodating chamber 13 through the plurality of sets of second ventilation holes. It is understood that the second vent hole may be a single hole or may be formed of a plurality of small holes.

Referring to fig. 2 and 6, optionally, the air duct wall of the first branch air duct 411 and the air duct wall of the second branch air duct 421 are both provided with an insulating layer 92, and the insulating layer 92 may cover the outer surface and the inner surface of the air duct wall or be embedded in the middle of the air duct wall.

Referring to fig. 2, in the present embodiment, the first air duct 41 includes two first branch air ducts 411 and a first middle air duct 412 connecting the two first branch air ducts 411, the first temperature adjustment device 2 is communicated with the first middle air duct 412, and the first air duct 41 is U-shaped as a whole; the second air duct 42 includes a second branch air duct 421, and the second branch air duct 421 is located between the two first branch air ducts 411. Of course, in other embodiments, the number of the second branch air ducts 421 may be multiple, the number of the corresponding first branch air ducts 411 is one more than the number of the second branch air ducts 421, when the number of the second branch air ducts 421 is multiple, the second air duct 42 further includes a second intermediate air duct 422, the second intermediate air duct 422 is simultaneously communicated with each of the second branch air ducts 421 and is connected to the second temperature adjustment device 3, the second intermediate air duct 422 is spaced from the first intermediate air duct 412 along the first direction, and preferably, both the second intermediate air duct 422 and the first intermediate air duct 412 extend along the second direction.

Referring to fig. 1 and 5, optionally, two side walls of the housing 11 in the left-right direction are respectively provided with a window 93 made of a transparent material, and the transparent material may be acrylic or toughened glass, so that the articles placed in the accommodating compartment 13 can be observed from the side of the cabinet 1, which is beneficial to attracting the attention of customers and facilitating the sale of the articles.

Referring to fig. 6, optionally, an illuminating lamp 94 is further disposed between the top wall of the inner casing 12 and the top wall of the outer casing 11, the illuminating lamp 94 faces the accommodating chamber 13, and the illumination of the articles in the accommodating chamber 13 by the illuminating lamp 94 enables a customer to see the articles in the accommodating chamber 13 clearly.

Referring to fig. 6, optionally, a night curtain 95 is further disposed above the accommodating chamber 13, the night curtain 95 includes a rolling rod rotatably mounted on the top wall of the inner casing 12, a curtain cloth mounted on the rolling rod, and a torsion spring disposed between the top wall of the inner casing 12 and the rolling rod, the curtain cloth can be put down at night, the opening 14 is sealed by the night curtain 95, the inside and outside environments of the accommodating chamber 13 are isolated, air convection is avoided, and energy can be effectively saved.

Optionally, the first temperature adjustment device 2 further comprises a humidifier, by which the humidity in the accommodating chamber 13 can be adjusted.

Referring to fig. 1, optionally, a billboard 96 is disposed between the top wall of the outer casing 11 and the top wall of the inner casing 12, and the goods in the accommodating compartment 13 can be advertised by the billboard 96.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A display case, comprising:

the cabinet body (1), the cabinet body (1) comprises an outer shell (11) and an inner shell (12) embedded in the outer shell (11), the inner shell (12) forms a containing bin (13) for containing articles, an opening (14) is arranged on one side of the containing bin (13), a first air duct (41) and a second air duct (42) which are communicated with the containing bin (13) are arranged between the outer shell (11) and the inner shell (12), the first air duct (41) includes a plurality of first branch air ducts (411) communicating with each other, the second air duct (42) comprises at least one second branch air duct (421), the plurality of first branch air ducts (411) and the at least one second branch air duct (421) extend along a first direction and are arranged at intervals along a second direction, and one second branch air duct (421) is arranged between every two adjacent first branch air ducts (411);

a first temperature regulating device (2), the first temperature regulating device (2) being in communication with the first air duct (41);

a second temperature regulating device (3), the second temperature regulating device (3) being in communication with the second air duct (42);

the first direction and the second direction form an included angle;

the first thermostat (2) comprises one of a cooling assembly and a heating assembly, and the second thermostat (3) comprises the other of the cooling assembly and the heating assembly;

in the first direction, the inner shell (12) comprises a first wall (121) and a second wall (122), the display case further comprises a baffle assembly (7), the baffle assembly (7) is mounted to the inner shell (12) and is located between the first wall (121) and the second wall (122), the baffle assembly (7) divides the holding bin (13) into a first temperature storage area (125) and a second temperature storage area (126), the baffle assembly (7) has a first position and a second position;

when the partition assembly (7) is located at the first position, the partition assembly (7) simultaneously separates each first branch air duct (411) from each second branch air duct (421), each first branch air duct (411) is only communicated with the first temperature storage area (125), and each second branch air duct (421) is only communicated with the second temperature storage area (126);

when the partition plate assembly (7) is located at the second position, each first branch duct (411) is simultaneously communicated with the first temperature storage area (125) and the second temperature storage area (126), and each second branch duct (421) is simultaneously communicated with the first temperature storage area (125) and the second temperature storage area (126).

2. A display case as claimed in claim 1, characterised in that, in said first direction, said first thermostat (2) is located at a first end of said cabinet (1), said second thermostat (3) is located at a second end of said cabinet (1), said first thermostat (2) comprising a refrigeration assembly and said second thermostat (3) comprising a heating assembly.

3. The display case of claim 1, wherein in the first orientation, the cabinet (1) has a first end and a second end, the inner shell (12) includes a first wall (121) adjacent the first end and a second wall (122) adjacent the second end, the first wall (121) is provided with a first air duct inlet (124); an air inlet and outlet (55) communicated with the first air duct (41) and the second air duct (42) is formed in the second wall (122), and the air inlet and outlet (55) faces to an air inlet (124) of the first air duct.

4. The showcase of claim 3, further comprising a first passage plate (51) and a second passage plate (52) spaced apart in the first direction, wherein the first passage plate (51) and the second passage plate (52) are located between the second wall (122) and the housing (11), the first passage plate (51) and the second passage plate (52) form an outlet (53) of a first air duct, an inlet (54) of a second air duct is formed between the second wall (122) and the housing (11), and the outlet (53) of the first air duct and the inlet (54) of the second air duct are both opposite to and communicate with the inlet (55).

5. The display case of claim 4, further comprising an air filter (6), wherein the air filter (6) is installed between the air inlet/outlet (55) and the air outlet (53) of the first air duct, and between the air inlet/outlet (55) and the air inlet (54) of the second air duct, and the air outlet (53) of the first air duct and the air inlet (54) of the second air duct are both communicated with the accommodating chamber (13) through the air filter (6) and the air inlet/outlet (55).

6. The display cabinet according to claim 3, further comprising a partition plate assembly (7), wherein a partition plate air duct (712) is disposed in the partition plate assembly (7), the partition plate air duct (712) is provided with a partition plate air outlet (714) and a plurality of partition plate air inlets (713), the plurality of partition plate air inlets (713) are disposed in one-to-one correspondence with the plurality of first branch air ducts (411), the partition plate air duct (712) can be respectively communicated with the plurality of first branch air ducts (411) through the plurality of partition plate air inlets (713), the partition plate air duct (712) is communicated with the accommodating chamber (13) through the partition plate air outlet (714), and the partition plate air outlet (714) faces the air inlet (124) of the first air duct.

7. The display cabinet according to claim 1, wherein the first wall (121) is provided with an air inlet (124) of a first air duct, and the second wall (122) is provided with an air inlet and outlet (55) communicated with the first air duct (41) and the second air duct (42);

at least one laminate assembly (81) is arranged in the first temperature storage area (125), a laminate air duct (811) is arranged inside the laminate assembly (81), the laminate air duct (811) is provided with a laminate air outlet (812) and a laminate air inlet (813), the laminate air duct (811) is communicated with each first branch air duct (411) through the laminate air inlet (813), and the laminate air outlet (812) faces to the air inlet (124) of the first air duct; and/or

At least one layer plate assembly (81) is arranged in the second temperature storage area (126), the layer plate assembly (81) is communicated with each second branch air duct (421) through a layer plate air inlet (813), and the layer plate air outlet (812) faces the air inlet and outlet (55).

8. The display case of claim 1, wherein the first orientation is a vertical orientation and the second orientation is a horizontal orientation.

9. The display case according to any one of claims 1 to 8, wherein the first air duct (41) comprises two first branch air ducts (411) and a first middle air duct (412) connecting the two first branch air ducts (411), and the first temperature adjustment device (2) is communicated with the first middle air duct (412); the second air duct (42) includes one of the second branch air ducts (421).