阅读说明：本技术 一种陈列柜 (Display cabinet ) 是由 李江伟 王铭坤 孟庆鹏 文翔 刘洋 易永盛 ***达 冯云凌 张亮 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种陈列柜,包括结构主体、风机组件、蒸发器,结构主体内设有背板,背板与结构主体之间组成背后风道,蒸发器设置于背后风道内。结构主体内由多个搁架划分为多个存储腔,各个存储腔具有与背后风道相连通的出风通道和与风机组件进风口相连通的回风通道,每个存储腔对应设置有柜门组件。这样风机驱动气流经蒸发器制冷降温,由背后风道至各出风通道分别进入每层存储空间,对各间室内的货物进行充分制冷,再从回风通道回到风机,使得每层形成独立的出风风道,而且每层存储腔都有柜门,每次只需打开一层柜门,大大减小与外界的交流空间,减少与环境的冷量交换,避免冷量的大量流失,降低了陈列柜的能量损耗。(The invention discloses a display cabinet which comprises a structure main body, a fan assembly and an evaporator, wherein a back plate is arranged in the structure main body, a back air duct is formed between the back plate and the structure main body, and the evaporator is arranged in the back air duct. A plurality of storage chambers are divided into by a plurality of shelves in the main structure body, each storage chamber has the air-out passageway that is linked together with the wind channel behind one's back and the return air passageway that is linked together with fan subassembly air intake, and every storage chamber corresponds and is provided with cabinet door assembly. Like this fan drive air current cools down through the evaporimeter refrigeration, get into every layer of storage space respectively by wind channel to each air-out passageway behind one's back, fully refrigerate each indoor goods in room, get back to the fan from the return air passageway again, make every layer of formation independent air-out wind channel, and every layer of storage chamber all has the cabinet door, only need open one deck cabinet door at every turn, reduce the space of exchanging with the external world greatly, reduce the cold volume exchange with the environment, avoid a large amount of losses of cold volume, the energy loss of show case has been reduced.)

1. A display case, comprising:

one side is provided with an open structural main body (1);

the fan assembly (2) is arranged in the structure main body (1) and is used for driving airflow to circulate;

a back plate (3) arranged in the structure main body (1), and a back air duct (5) communicated with an air outlet (4) of the fan assembly (2) is formed between the inner wall of the structure main body (1) and the back plate (3);

an evaporator (6) arranged in the back air duct (5);

the shelves (7) are connected with the back plate (3) and are distributed at intervals along the height direction of the back plate (3) so as to divide the interior of the structure body (1) into a plurality of storage cavities;

the air outlet channel is arranged in each storage cavity and communicated with the back air channel (5), and the air return channel is arranged in each storage cavity and communicated with the air inlet (8) of the fan assembly (2);

and a plurality of cabinet door assemblies (9) which correspond to the storage cavities one by one and are used for closing the openings.

2. A display case as claimed in claim 1, wherein a top plate (10) is further provided in the structure body (1), the top plate (10) and each of the shelves (7) are provided with a first vent hole (11) communicated with the back air duct (5), and the bottom of the top plate (10) and each of the shelves (7) are provided with a second vent hole (12) communicated with the first vent hole (11) and the storage chamber to form the air outlet channel; each shelf (7) is also provided with a return air inlet (13) which is arranged along the height direction of the back plate (3) in a penetrating way so as to form the return air channel.

3. A display case as claimed in claim 1, characterised in that said fan assembly (2) is a crossflow fan assembly comprising a volute (14) disposed at the bottom of said structural body (1) and an impeller (15) disposed inside said volute (14).

4. A display case as claimed in claim 3, characterised in that said volute (14) is an "F" type volute.

5. A display case as claimed in claim 2, wherein each shelf (7) comprises a partition (16) connected to the back plate (3) and a connecting plate (17) connected to the partition (16), the first ventilating hole (11) and the second ventilating hole (12) are provided on the partition (16), the return air opening (13) is provided on the connecting plate (17), and the top and bottom of the connecting plate (17) are provided with slots (18) for mounting the cabinet door assembly (9).

6. A display case as claimed in claim 5, characterised in that said first ventilation holes (11) are located on the side walls of said top panel (10) and of the respective partitions (16) connected to said back panel (3), said first ventilation holes (11) being strip-shaped.

7. A display case as claimed in claim 5, characterised in that said second ventilation holes (12) are plural and each of said second ventilation holes (12) is uniformly distributed on the bottom of said top plate (10) and each of said partitions (16).

8. A display case as claimed in claim 1, characterised in that each of said door assemblies (9) is a sliding door assembly.

9. A display case as claimed in claim 1, wherein said back plate (3) is provided with a plurality of third ventilation holes (19) spaced apart along the height direction thereof and corresponding to each of said storage chambers one by one, and said third ventilation holes (19) are respectively communicated with said back air duct (5) and said storage chambers to form said air outlet passage; each shelf (7) is provided with a return air inlet (13) which is arranged along the height direction of the back plate (3) in a penetrating way so as to form the return air channel.

10. A display case as claimed in claim 9, wherein a plurality of said third ventilation holes (19) are provided for each of said storage chambers, and wherein said third ventilation holes (19) are uniformly distributed along the length of said back plate (3).

11. A display case as claimed in claim 2 or 9, characterised in that said return air opening (13) is a strip-shaped hole.

12. A display case as claimed in claim 1, characterised in that the fan assembly (2) is an axial fan assembly.

13. A display case as claimed in claim 1, further comprising a refrigeration system (20) disposed below said structural body (1), said refrigeration system (20) comprising a compressor, a condenser, an air-cooled heat sink.

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a display cabinet.

Background

The showcase is a refrigeration device which is commonly used in places such as markets, supermarkets, bars, KTVs and the like for refrigerating wines, beverages, fruits, vegetables, cosmetics and the like, and the common showcase has a closed type and an open type. However, the existing open showcase is open, and the cold in the showcase is exchanged with the external environment, which results in a considerable waste of energy. Although some open display cases have night curtains, the night curtains are used only at night and in low traffic, and the working hours during the day still cause serious waste of energy. The existing closed showcase can expose all storage spaces once the cabinet door is opened, cold energy in the showcase is rapidly exchanged with the external environment, the air temperature in the showcase reaches the ambient temperature in a short time, if the air temperature is required to be restored to the refrigeration temperature, half an hour or more is possibly required, a large amount of cold energy is still caused to be lost, and the energy loss of the showcase is increased. Therefore, how to solve the problems of the prior art that the energy exchange between the cold air in the showcase and the external environment causes considerable cold waste and increases the energy consumption of the showcase becomes an important technical problem to be solved by the technicians in the field.

Disclosure of Invention

The invention aims to provide a display cabinet to solve the problems that in the prior art, energy is exchanged between cold air in a cabinet of the display cabinet and the external environment, so that considerable cold energy is wasted, and the energy consumption of the display cabinet is increased.

The purpose of the invention is realized by the following technical scheme:

the invention provides a showcase, comprising:

one side of the structure body is provided with an opening;

the fan assembly is arranged in the structure main body and used for driving airflow to circulate;

the back plate is arranged in the structure main body, and a back air duct communicated with the air outlet of the fan assembly is formed between the inner wall of the structure main body and the back plate;

the evaporator is arranged in the back air duct;

the shelves are connected with the back plate and are distributed at intervals along the height direction of the back plate so as to divide the interior of the structural main body into a plurality of storage cavities;

the air outlet channel is arranged in each storage cavity and communicated with the back air channel, and the air return channel is arranged in each storage cavity and communicated with the air inlet of the fan assembly;

and the cabinet door assemblies correspond to the storage cavities one by one and are used for closing the openings.

Preferably, a top plate is further arranged in the structure main body, the top plate and each shelf are respectively provided with a first vent hole communicated with the back air channel, and the bottoms of the top plate and each shelf are respectively provided with a second vent hole communicated with the first vent hole and the storage cavity to form the air outlet channel; each shelf is also provided with an air return inlet which is arranged along the height direction of the back plate in a penetrating way so as to form the air return channel.

Preferably, the fan assembly is a crossflow fan assembly including a volute disposed at the bottom of the structural body and an impeller disposed within the volute.

Preferably, the volute is an "F" type volute.

Preferably, each shelf includes with the baffle that the backplate is connected and with the connecting plate that the baffle is connected, first ventilation hole with the second ventilation hole sets up on the baffle, the return air inlet sets up on the connecting plate, just the top and the bottom of connecting plate all are equipped with and are used for installing the slot of cabinet door subassembly.

Preferably, the first ventilation hole is located the roof and each the baffle with on the lateral wall that the backplate is connected, first ventilation hole is the bar hole.

Preferably, the number of the second ventilation holes is multiple, and each of the second ventilation holes is uniformly distributed at the bottom of the top plate and each of the partition plates.

Preferably, each of the cabinet door assemblies is a sliding door assembly.

Preferably, the back plate is provided with a plurality of third ventilation holes which are distributed at intervals along the height direction of the back plate and correspond to the storage cavities one by one, and the third ventilation holes are respectively communicated with the back air channel and the storage cavities to form the air outlet channel; each shelf is provided with an air return inlet which is arranged along the height direction of the back plate in a penetrating way so as to form the air return channel.

Preferably, each storage cavity is correspondingly provided with a plurality of third ventilation holes, and the third ventilation holes are uniformly distributed along the length direction of the back plate.

Preferably, the air return opening is a strip-shaped hole.

Preferably, the fan assembly is an axial fan assembly.

Preferably, the refrigeration system is arranged below the structure body and comprises a compressor, a condenser and an air-cooled heat dissipation device.

In the technical scheme provided by the invention, the display cabinet comprises a structure main body, wherein one side of the structure main body is provided with an opening; the fan assembly is arranged in the structure main body and used for driving airflow to circulate; the back plate is arranged in the structure main body, and a back air duct communicated with an air outlet of the fan assembly is formed between the inner wall of the structure main body and the back plate; the evaporator is arranged in the back air duct; the shelves are connected with the back plate and are distributed at intervals along the height direction of the back plate so as to divide the interior of the structural main body into a plurality of storage cavities; the air outlet channel is arranged in each storage cavity and communicated with the back air channel, and the air return channel is arranged in each storage cavity and communicated with the air inlet of the fan assembly; and a plurality of cabinet door assemblies which correspond to the storage cavities one by one and are used for closing the openings. So set up, fan drive air current is after the evaporimeter refrigeration cooling, get into every layer of storage space respectively by wind channel behind one's back to each air-out passageway, carry out abundant refrigeration to the indoor goods in each room, then get back to the fan from the return air passageway, every layer all forms independent air-out wind channel, and every layer all is equipped with the cabinet door, only need open one deck cabinet door at every turn, reduce the space of exchanging with the external world greatly, reduce the cold volume exchange with the environment, avoid a large amount of losses of cold volume, reduce the energy loss of show case, the interior air conditioning of the cabinet of show case among the prior art and the external environment between carry out the energy exchange have been solved, cause considerable cold volume waste, increase the energy loss's of show case.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior 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 view of a display case according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a fan assembly according to an embodiment of the present invention;

FIG. 3 is a first schematic structural diagram of a shelf according to an embodiment of the present invention;

FIG. 4 is a second structural view of the shelf according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of a separator according to an embodiment of the present invention;

FIG. 6 is a schematic view of a display case according to another embodiment of the present invention;

fig. 7 is a schematic structural diagram of the back plate in fig. 6.

In fig. 1-7:

1-a structural body; 2-a fan assembly; 3-a back plate; 4, air outlet; 5-back air duct; 6-an evaporator; 7-a shelf; 8-air inlet; 9-a cabinet door assembly; 10-a top plate; 11-a first vent; 12-a second vent hole; 13-air return; 14-a volute; 15-an impeller; 16-a separator; 17-a connecting plate; 18-a slot; 19-a third vent hole; 20-refrigeration system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1-7, the display case provided in this embodiment includes:

a structure body 1 with an opening at one side, as shown in fig. 1, the structure body 1 is provided with an opening at the right side for storing and taking goods;

the fan assembly 2 is arranged in the structure main body 1 and used for driving airflow to circulate, and can be arranged at the bottom, so that air in the structure main body 1 continuously circulates and flows to form an air curtain;

a back plate 3 arranged in the structure main body 1, and a back air duct 5 communicated with an air outlet 4 of the fan assembly 2 is formed between the inner wall of the structure main body 1 and the back plate 3 so as to supply cold air to each layer of storage space;

the evaporator 6 is arranged in the back air duct 5 and is used for refrigerating and cooling air to form cold air;

a plurality of shelves 7 connected to the back plate 3 and spaced apart from each other in the height direction of the back plate 3 to divide the interior of the structural body 1 into a plurality of storage chambers, optionally, as shown in fig. 1, five shelves 7 are provided to divide the interior space into six storage chambers, wherein the number of the shelves 7 is determined according to the actual situation;

the air-out channel is arranged in each storage cavity and communicated with the back air channel 5, and the air-return channel is arranged in each storage cavity and communicated with the air inlet 8 of the fan assembly 2, namely, each storage cavity is provided with an independent air channel, the air in the back air channel 5 sequentially enters each storage cavity from the air-out channel, and returns to the fan assembly through the air-return channel after the goods are fully refrigerated, and each storage cavity forms an independent circulating system;

and a plurality of cabinet door assemblies 9 which correspond to the storage cavities one by one and are used for closing the openings, namely, one cabinet door assembly 9 is arranged in each layer of storage cavity, and the compartments can be opened and closed independently. In the display case placement position shown in fig. 1, the vertical direction in the drawing is the height direction of the back plate.

So set up, fan drive air current is after the evaporimeter refrigeration cooling, get into every layer of storage space respectively by wind channel behind one's back to each air-out passageway, carry out abundant refrigeration to the indoor goods in each room, then get back to the fan from the return air passageway, every layer all forms independent air-out wind channel, and every layer all is equipped with the cabinet door, only need open one deck cabinet door at every turn, reduce the space of exchanging with the external world greatly, reduce the cold volume exchange with the environment, avoid a large amount of losses of cold volume, reduce the energy loss of show case, the interior air conditioning of the cabinet of show case among the prior art and the external environment between carry out the energy exchange have been solved, cause considerable cold volume waste, increase the energy loss's of show case.

As shown in fig. 1, still be equipped with roof 10 in the main structure body 1, roof 10 and each shelf 7 all are equipped with the first ventilation hole 11 that is linked together with wind channel 5 behind one's back, and the bottom of roof 10 and each shelf 7 all is equipped with the second ventilation hole 12 that communicates with first ventilation hole 11 and storage chamber homogeneous phase, in order to form the air-out passageway, make cold air get into the storage intracavity and refrigerate the goods, and second ventilation hole 12 only sets up in the bottom, can only the downflow, keep apart with upper space, guarantee each other not to influence between the upper and lower floor. Each shelf 7 is also provided with a return air inlet 13 which is arranged along the height direction of the back plate 3 in a penetrating way so as to form a return air channel, so that air can flow downwards to return to the fan, airflow circulation is formed, and goods are continuously refrigerated.

As shown in fig. 2, the fan assembly 2 is a crossflow fan assembly including a volute 14 provided at the bottom of the structural body 1 and an impeller 15 provided in the volute 14. The air inlet 8 is arranged on the cross flow fan assembly, and the upper end face and the left side face of the air inlet can be used for air inlet. And the cross flow fan is adopted, so that the noise of the whole machine can be reduced, and the use satisfaction of a user is improved. In addition, the crossflow blower assembly includes a motor that drives the impeller 15 in rotation.

In a preferred version of the present embodiment, the volute 14 is an "F" type volute. The cross-flow fan adopts an F-shaped volute, air flow entering from the air inlet can enter the volute at a large obtuse angle, the performance of the cross-flow fan can be better exerted when the obtuse angle is larger, the cross-flow fan is suitable for the structural characteristics of the display cabinet, and the display cabinet is more suitable for the display cabinet in the embodiment. In other embodiments, the fan assembly 2 may also be an axial flow fan assembly instead of a cross flow fan, which has low noise and compact structure, and may also be used on display cabinets.

In this embodiment, each shelf 7 comprises a partition 16 connected to the back plate 3 and a connecting plate 17 connected to the partition 16, and optionally, the partition 16 and the connecting plate 17 are plugged together. As shown in fig. 4, the first ventilation hole 11 and the second ventilation hole 12 are disposed on the partition 16, the return air inlet 13 is disposed on the connecting plate 17, and the top and the bottom of the connecting plate 17 are provided with slots 18 for mounting the cabinet door assembly 9. The shelf is assembled by two components, thereby being convenient for processing and manufacturing and improving the production efficiency.

Specifically, the first vent holes 11 are located on the side walls of the top plate 10 and the partition plates 16 connected with the back plate 3, the first vent holes 11 are strip-shaped holes, and the side walls of the first vent holes are provided with strip-shaped through holes extending along the length direction of the back plate 3. The second ventilation holes 12 are a plurality of, and each second ventilation hole 12 is evenly distributed at the bottom of the top plate 10 and each partition plate 16, and is fully distributed above the whole storage space. For convenience of manufacture, the top plate 10 and each partition 16 may be hollow, and the first vent hole 11 and the second vent hole 12 are communicated with the inner cavity thereof.

For display cases, rapid and uniform cooling of the product is an important indicator of the performance of the display case. The arrow in fig. 1 shows to be the gas flow direction, and fan subassembly 2 drives air current and gets into 1 bottom cavity full development back through 6 refrigeration cooling of evaporimeter from air intake 8, and wind channel 5 gets into each first ventilation hole 11 respectively behind the back, then from the even air-out in bottom second ventilation hole 12, carries out more abundant and rapid cooling to the goods in the room. Like this cold air is with the downward air-out of form of waterfall, flows through whole storage chamber for the cabinet inner loop is more even and rapid, and this kind of air-out mode receives the influence less of putting density and putting quantity of goods. And as shown in fig. 3, the air return inlet 13 on each layer of shelf 7 is a strip-shaped hole, extends along the length direction of the back plate 3, is beneficial to uniform air return, and is convenient for the air in each layer of storage cavity to flow downwards through the air return inlet 13 and finally reach the bottom air inlet 8, so that air flow circulation is formed. Therefore, other air duct assemblies do not need to be added, and the independent air return duct is independently designed, so that the air duct structure of the display cabinet is greatly simplified.

Since the transverse length of the display case is typically at least one meter, each cabinet door assembly 9 is designed as a sliding door assembly. Generally, the sliding door assembly comprises a left sliding door leaf and a right sliding door leaf, the opening is closed, and when the sliding door assembly is used, any door leaf can be laterally pushed and pulled, and a storage cavity is opened to store goods. The upper and lower ends of the sliding door leaf are respectively inserted into the slots 18 for fixed installation, and a sliding handle is also installed on the sliding door leaf for convenient operation. In addition, the sliding door component adopts a glass door plate, so that the convenience is brought to a user to check the goods.

In other embodiments, as shown in fig. 6, the back plate 3 is provided with a plurality of third ventilation holes 19 distributed at intervals along the height direction thereof and corresponding to the storage chambers one by one, and the third ventilation holes 19 are respectively communicated with the back air duct 5 and the storage chambers to form an air outlet channel. Each shelf 7 all is equipped with the return air inlet 13 that link up the setting along 3 direction of height of backplate, and return air inlet 13 is the rectangular shape hole along 3 length direction of backplate to form the return air passageway. The arrow in fig. 6 shows to be the gas flow direction, and fan subassembly 2 drives air current and gets into 1 bottom cavity full development back through 6 refrigeration cooling of evaporimeter from air intake 8, and the even air-out of third ventilation hole 19 is followed respectively to wind channel 5 behind the back, carries out more abundant and rapid cooling to the goods in each room. Then the air in each layer of storage cavity flows downwards through the air return opening 13 and finally reaches the bottom air inlet 8, and air flow circulation is formed.

As shown in fig. 7, which is a schematic structural view of the back plate 3 facing the display cabinet, i.e., as seen from right to left in fig. 6, each storage chamber is correspondingly provided with a plurality of third ventilation holes 19, and the third ventilation holes 19 are uniformly distributed along the length direction of the back plate 3. In the arrangement position of the backboard shown in fig. 7, the vertical direction in the drawing is the height direction of the backboard, and the horizontal direction is the length direction of the backboard. The third ventilation hole 19 of every layer of storage chamber is located the compartment upper end, evenly is covered with the whole length direction of compartment, guarantees the even air-out everywhere, can be abundant and carry out refrigeration cooling to the goods fast. The third ventilation holes 19 of each layer of storage cavity can be arranged in multiple rows, and the number of the third ventilation holes 19 and the like can be determined according to actual requirements, so that the refrigeration requirements of the storage cavity are met.

In this embodiment, the showcase further includes a refrigeration system 20 provided below the main structure body 1, in addition to the evaporator 6 provided in the back air duct 5, and the refrigeration system 20 includes a compressor, a condenser, and an air-cooled heat sink. Thus, a set of refrigeration system of the showcase is formed, the refrigeration effect is ensured, and the refrigeration and cooling requirements of goods are fully met.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.