Stepless speed change air curtain of supermarket vertical cabinet display cabinet

Abstract

The utility model provides a commercial supermarket standing cabinet display cabinet stepless speed change air curtain which comprises a cabinet body, a refrigeration bin is detachably and fixedly installed at the bottom of the cabinet body, an air outlet cover is detachably and fixedly installed above a storage cavity of the cabinet body, a plurality of cold air outlet holes are evenly formed in the rear side face of the storage cavity of the cabinet body, and the cold air outlet holes are communicated with the refrigeration bin. A plurality of air inlet holes are uniformly formed in the bottom surface of the storage cavity of the cabinet body; the air inlet holes are positioned under the air outlet cover; the air outlet quantity of the air curtain can be adjusted in real time according to the temperature, meanwhile, when the refrigerating system is fixed, the cabinet body does not need to be moved, the refrigerating bin and the cabinet body can be separated independently, and therefore the refrigerating system in the refrigerating bin can be overhauled conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of air curtain, especially relates to a stepless speed change air curtain of commercial super vertical cabinet display cabinet. BACKGROUND

[0002] The air curtain cabinet, also known as a vertical air curtain, air curtain machine or air curtain door, is a refrigeration equipment widely used in commercial and industrial fields.

[0003] The working principle of the air curtain cabinet is based on cold air circulation and high-speed airflow barrier. It uniformly covers the entire cabinet body through the cold air blown out of the back, thereby achieving the preservation effect of the products. At the same time, the air curtain cabinet also uses the fan to generate high-speed airflow, which sucks and sprays the surrounding air to form an airflow barrier, effectively isolating the air inside and outside the room.

[0004] The air curtain cabinet is mainly divided into two types of built-in machine and external machine. The built-in machine usually installs the refrigeration system inside the cabinet body, while the external machine installs the refrigeration system outside the cabinet body. In terms of structure, the air curtain cabinet adopts vertical design, and the height usually exceeds 1.5 meters. The shelf type structure facilitates the multi-layer placement of goods and saves space.

[0005] However, the existing built-in air curtain cabinet is very inconvenient to maintain when a fault occurs because the refrigeration system is installed inside the cabinet body.

[0006] Therefore, it is very necessary to invent a stepless speed change air curtain of commercial super vertical cabinet display cabinet. CONTENT OF THE UTILITY MODEL

[0007] In order to solve the above technical problems, the utility model provides a kind of stepless speed change air curtain of commercial super vertical cabinet display cabinet, which adopts the technical scheme that: a kind of stepless speed change air curtain of commercial super vertical cabinet display cabinet, including cabinet body, wherein: the bottom of the cabinet body is detachably fixed and installed with refrigeration bin, the top of the cabinet body storage cavity is detachably fixed and installed with air outlet cover, the rear side of the cabinet body storage cavity is evenly provided with a plurality of cold air outlet holes, the bottom surface of the cabinet body storage cavity is evenly provided with a plurality of air inlet holes, and the air inlet holes are directly below the air outlet cover;

[0008] The bottom surface of the cabinet body is provided with a U-shaped cavity and an L-shaped cavity, the U-shaped cavity and the L-shaped cavity are communicated, the L-shaped cavity is above the U-shaped cavity, the openings of the U-shaped cavity and the L-shaped cavity are consistent with the opening of the cabinet body storage cavity, and the refrigeration bin is detachably fixed and installed in the U-shaped cavity and the L-shaped cavity;

[0009] The U-shaped cavity of the cabinet body is evenly fixed and installed with air inlet adapter and air outlet adapter, and the air inlet adapter is below the air outlet adapter.

[0010] The L-shaped cavity of the cabinet body is fixedly installed with a circulating air adapter.

[0011] The cabinet body is internally provided with air duct one, air duct two and air duct three;

[0012] One end of the air duct one is communicated with the air inlet adapter, and the other end of the air duct one is communicated with the air inlet end of the air outlet cover;

[0013] One end of the air duct two is communicated with the air outlet adapter, and the other end of the air duct two is communicated with the cold air outlet hole;

[0014] One end of the air duct three is communicated with the circulating air adapter, and the other end of the air duct three is communicated with the air inlet hole;

[0015] The temperature sensor is fixedly installed on one side of the cabinet storage cavity;

[0016] The refrigeration system and the control system are fixedly installed in the refrigeration bin, the refrigeration bin is provided with an air inlet adapter and an air outlet adapter at one end, an adapter seat is arranged above the other end of the refrigeration bin, a circulating air adapter is arranged on the adapter seat, the air inlet adapter is below the air outlet adapter, the air inlet adapter, the air outlet adapter and the circulating air adapter are consistent in direction, the output end of the refrigeration system is communicated between the air inlet adapter and the air outlet adapter, and the air inlet adapter is communicated with the circulating air adapter;

[0017] The air inlet adapter and the air inlet adapter are plug-in sealedly connected;

[0018] The air outlet adapter and the air outlet adapter are plug-in sealedly connected;

[0019] The circulating air adapter and the circulating air adapter are plug-in sealedly connected;

[0020] The inside of the air outlet cover is provided with a blowing assembly;

[0021] The blowing assembly comprises a fan and an impeller, one end of the fan is fixedly connected with the impeller, the impeller is rotatably installed in the air outlet cover, and the fan is fixedly installed at one end of the air outlet cover;

[0022] The control system is electrically connected with the refrigeration system, the control system is electrically connected with the temperature sensor and the fan through the three-prong integrated wire harness, and the control system, the refrigeration system, the temperature sensor and the fan are connected with the external power supply through the three-prong integrated wire harness.

[0023] A plurality of shelves are fixedly and uniformly installed in the cabinet storage cavity in a stepped manner.

[0024] A plug-in hole is formed in the upper and lower parts of one side of the cabinet, and the three-prong integrated wire harness is connected between the control system, the refrigeration system temperature sensor and the fan through the three-prong integrated wire harness.

[0025] The four corners of the bottom surface of the cabinet body and the four corners of the bottom surface of the refrigeration bin are each fixedly provided with a universal wheel.

[0026] The two sides of the U-shaped cavity of the cabinet body are each fixedly provided with a guide rail, and a screw hole one is formed in the outer end of the guide rail.

[0027] The socket of the refrigeration system and the control system is arranged on one side outside the refrigeration bin, and the three-prong integrated wire harness is plug-connected with the socket.

[0028] The two sides of the refrigeration bin are each provided with a guide rail groove corresponding to the guide rail, and the guide rail groove is slidingly connected with the corresponding guide rail.

[0029] The two sides of the front surface of the refrigeration bin are each provided with a notch corresponding to the guide rail groove, a screw hole two is coaxially formed between the notch and the guide rail groove, and a bolt is fixedly arranged between the screw hole two and the screw hole one.

[0030] The two end heads of the three-prong integrated wire harness are provided with plugs, and the other end head of the three-prong integrated wire harness is provided with a three-prong power plug, and the three-prong integrated wire harness is plug-connected between the plugs and the socket and the fan.

[0031] Compared with the prior art, the advantages of the present application are that:

[0032] 1. The overall setting can automatically adjust the speed of the fan according to the ambient temperature during use, realize stepless adjustment, and be suitable for various different environments, and be more flexible and convenient.

[0033] 2. When the refrigeration system is fixed, the refrigeration bin can be separated from the cabinet without moving the cabinet, so that the refrigeration system inside the refrigeration bin can be conveniently repaired. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the overall structure schematic diagram of the present application.

[0035] Figure 2 It is the cabinet and the refrigeration bin explosion structure schematic diagram of the present application.

[0036] Figure 3 It is the refrigeration bin structure schematic diagram of the present application.

[0037] Figure 4 It is the blowing assembly structure schematic diagram of the present application.

[0038] Figure 5 It is the A place local amplification structure schematic diagram of the present application.

[0039] In the drawing:

[0040] Cabinet 1, refrigeration bin 2, air inlet interface 21, air outlet interface 22, interface seat 23, circulating air interface 24, socket 25, guide rail groove 26, notch 27, air outlet cover 3, fan 31, impeller 32, temperature sensor 4, three-prong integrated wire harness 5, plug 51, universal wheel 6, layer plate 7, cold air outlet hole 8, air inlet hole 9, guide rail 10, U-shaped cavity 11, L-shaped cavity 12, air inlet interface 13, air outlet interface 14, circulating air interface 15, air duct 16, air duct 17, air duct 18, plug hole 19. DETAILED DESCRIPTION

[0041] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0042] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] The present application will be further described below in conjunction with the drawings: EMBODIMENT

[0044] REFERENCE Figures 1-5The application discloses a stepless speed change air curtain for a supermarket vertical cabinet display cabinet, which comprises a cabinet body 1, wherein: a refrigeration bin 2 is detachably and fixedly installed at the bottom of the cabinet body 1; when a refrigeration system fails in a later period, the refrigeration bin 2 can be separated from the cabinet body 1 without moving the cabinet body 1, so that the refrigeration system inside the refrigeration bin 2 is conveniently maintained; an air outlet cover 3 is detachably and fixedly installed above a storage cavity of the cabinet body 1, so as to protect an air blowing assembly; a plurality of cold air outlet holes 8 are uniformly formed in the rear side of the storage cavity of the cabinet body 1, so that cold air generated by the refrigeration system enters the storage cavity of the cabinet body 1 through the cold air outlet holes 8; a plurality of air inlet holes 9 are uniformly formed in the bottom surface of the storage cavity of the cabinet body 1 and are located directly below the air outlet cover 3, so that air blown out from the air outlet cover 3 enters from the air inlet holes 9, thereby forming a circulating air curtain at the opening of the storage cavity of the cabinet body 1.

[0045] In the embodiment, a U-shaped cavity 11 and an L-shaped cavity 12 are formed in the bottom surface of the cabinet body 1, the U-shaped cavity 11 and the L-shaped cavity 12 are communicated, the L-shaped cavity 12 is above the U-shaped cavity 11, the openings of the U-shaped cavity 11 and the L-shaped cavity 12 are consistent with the opening of the storage cavity of the cabinet body 1, and the refrigeration bin 2 is detachably and fixedly installed in the U-shaped cavity 11 and the L-shaped cavity 12, so as to provide installation space for the refrigeration bin 2 and ensure the flatness after overall assembly.

[0046] In the embodiment, the U-shaped cavity 11 of the cabinet body 1 is uniformly and fixedly provided with an air inlet joint 13 and an air outlet joint 14, the air inlet joint 13 is below the air outlet joint 14; the L-shaped cavity 12 of the cabinet body 1 is fixedly provided with a circulating air joint 15; and air ducts one 16, two 17 and three 18 are formed in the cabinet body 1.

[0047] One end of the air duct one 16 is communicated with the air inlet joint 13, the other end of the air duct one 16 is communicated with the air inlet end of the air outlet cover 3, so as to provide required air for the air blowing assembly through the air duct one 16; one end of the air duct two 17 is communicated with the air outlet joint 14, the other end of the air duct two 17 is communicated with the cold air outlet hole 8, so as to make the cold air generated by the refrigeration system enter the storage cavity of the cabinet body 1; one end of the air duct three 18 is communicated with the circulating air joint 15, the other end of the air duct three 18 is communicated with the air inlet hole 9, so as to circulate the air blown out from the air blowing assembly.

[0048] In the embodiment, a temperature sensor 4 is fixedly installed on one side of the storage cavity of the cabinet body 1, so as to monitor the temperature inside the storage cavity of the cabinet body 1 and adjust the air outlet amount of the air blowing assembly in real time according to the temperature change.

[0049] In this embodiment, the refrigeration system and the control system are fixedly installed inside the refrigeration compartment 2. The refrigeration compartment 2 is provided with an air inlet interface 21 and an air outlet interface 22 at one end. An adapter seat 23 is arranged above the other end of the refrigeration compartment 2. A circulating air interface 24 is arranged on the adapter seat 23. The air inlet interface 21 is below the air outlet interface 22. The air inlet interface 21, the air outlet interface 22 and the circulating air interface 24 are in the same direction. The output end of the refrigeration system is in communication with the air inlet interface 21 and the air outlet interface 22, so as to provide the required cold air for the air outlet hole 8 and the air blowing assembly. The air inlet interface 21 is in communication with the circulating air interface 24, so as to circulate the air blown out of the air blowing assembly.

[0050] The air inlet interface 21 is plug-in sealingly connected with the air inlet connector 13. The air outlet interface 22 is plug-in sealingly connected with the air outlet connector 14. The circulating air interface 24 is plug-in sealingly connected with the circulating air connector 15, so as to disassemble and assemble the refrigeration compartment 2 and the cabinet 1.

[0051] The refrigeration system adopts the existing technology, such as the refrigeration system of a refrigerator or an air conditioner.

[0052] In this embodiment, the air blowing assembly is arranged inside the air outlet cover 3. The air blowing assembly comprises a fan 31 and an impeller 32. The output end of the fan 31 is fixedly connected with one end of the impeller 32, so as to drive the impeller 32 to rotate by the fan 31, thereby forming an air flow barrier at the opening of the storage cavity of the cabinet 1. The impeller 32 is rotatably arranged inside the air outlet cover 3. The fan 31 is fixedly arranged at one end inside the air outlet cover 3.

[0053] The fan 31 adopts a brushless DC motor in the existing technology and cooperates with a PWM speed regulation.

[0054] In this embodiment, the control system is electrically connected with the refrigeration system. The control system is electrically connected with the temperature sensor 4 and the fan 31 through the three-prong integrated wire harness 5. The control system, the refrigeration system, the temperature sensor 4 and the fan 31 are connected with an external power source through the three-prong integrated wire harness 5.

[0055] The controller of the control system adopts the existing technology, such as a PLC controller in the existing technology. The temperature sensor 4 is connected to the input end of the PLC controller. The refrigeration system and the fan 31 are connected to the output end of the PLC controller. Since the PLC controller and the wiring are very mature technologies, they will not be described in detail here.

[0056] In this embodiment, a plurality of shelves 7 are fixedly and uniformly arranged in the storage cavity of the cabinet 1 in a stepped manner, so as to prevent the cold air from being blocked during the process of placing articles.

[0057] In the embodiment, one plug-in hole 19 is arranged on each of the upper and lower sides of the cabinet body 1, and the three-prong integrated wire harness 5 is connected with the control system, the refrigeration system temperature sensor 4 and the fan 31 through the plug-in hole 19, so that the three-prong integrated wire harness 5 is separated from the cabinet body 1 and the refrigeration compartment 2, thereby not affecting the separation of the refrigeration compartment 2 from the cabinet body 1.

[0058] In the embodiment, one universal wheel 6 is fixedly installed at each of the four corners of the bottom surface of the cabinet body 1 and the four corners of the bottom surface of the refrigeration compartment 2, so as to support and separately move the cabinet body 1 and the refrigeration compartment 2.

[0059] In the embodiment, one guide rail 10 is fixedly installed at each of the two sides of the U-shaped cavity 11 of the cabinet body 1, and a screw hole one is arranged at the outer end of the guide rail 10, and the refrigeration compartment 2 is slidably connected with the guide rail 10; a guide rail groove 26 corresponding to the guide rail 10 is arranged at each of the two sides of the refrigeration compartment 2, and the guide rail groove 26 is slidably connected with the corresponding guide rail 10, so that when the refrigeration compartment 2 is assembled with the cabinet body 1, the refrigeration compartment 2 is positioned by the guide rail 10, and the stability of the refrigeration compartment 2 after being connected with the cabinet body 1 is ensured.

[0060] In the embodiment, the socket 25 of the refrigeration system and the control system is arranged at one side outside the refrigeration compartment 2, and the three-prong integrated wire harness 5 is plug-in connected with the socket 25, so that the refrigeration compartment 2 is disassembled with the three-prong integrated wire harness 5 support.

[0061] In the embodiment, a notch 27 corresponding to the guide rail groove 26 is arranged at each of the two sides of the front surface of the refrigeration compartment 2, a screw hole two is coaxially arranged between the notch 27 and the guide rail groove 26, and a bolt is fixedly installed between the screw hole two and the screw hole one, so as to ensure the firmness of the refrigeration compartment 2 after being assembled with the cabinet body 1.

[0062] Specifically, when the refrigeration system inside the refrigeration compartment 2 needs to be repaired in the later period, only the bolt needs to be removed, the power supply needs to be turned off, and the three-prong integrated wire harness 5 needs to be separated from the socket 25, so that the refrigeration compartment 2 can be individually pulled out from the U-shaped cavity 11 and the L-shaped cavity 12 of the cabinet body 1, without moving the cabinet body 1, thereby facilitating the repair of the refrigeration system inside the refrigeration compartment 2.

[0063] The technical scheme disclosed in the utility model, or the similar technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, and achieving the above technical effects, all fall within the protection scope of the utility model.

Claims

1. A stepless variable speed air curtain for a supermarket stand cabinet, characterized in that: Including cabinet (1), wherein: the bottom of the cabinet (1) is detachably fixedly installed with refrigeration bin (2), the upper portion of the storage cavity of the cabinet (1) is detachably fixedly installed with air outlet cover (3), the rear side of the storage cavity of the cabinet (1) is evenly provided with a plurality of cold air outlet holes (8), the bottom surface of the storage cavity of the cabinet (1) is evenly provided with a plurality of air inlet holes (9), and the air inlet holes (9) are directly below the air outlet cover (3); The bottom surface of the cabinet (1) is provided with a U-shaped cavity (11) and an L-shaped cavity (12), the U-shaped cavity (11) and the L-shaped cavity (12) are communicated, the L-shaped cavity (12) is above the U-shaped cavity (11), the openings of the U-shaped cavity (11) and the L-shaped cavity (12) are consistent with the opening of the storage cavity of the cabinet (1), and the refrigeration bin (2) is detachably fixedly installed in the U-shaped cavity (11) and the L-shaped cavity (12); The U-shaped cavity (11) of the cabinet (1) is fixedly installed with air inlet adapter (13) and air outlet adapter (14) evenly, and the air inlet adapter (13) is below the air outlet adapter (14); The L-shaped cavity (12) of the cabinet (1) is fixedly installed with circulating air adapter (15); The inside of the cabinet (1) is provided with air duct one (16), air duct two (17) and air duct three (18); One end of the air duct one (16) is communicated with the air inlet adapter (13), and the other end of the air duct one (16) is communicated with the air inlet end of the air outlet cover (3); One end of the air duct two (17) is communicated with the air outlet adapter (14), and the other end of the air duct two (17) is communicated with the cold air outlet hole (8); One end of the air duct three (18) is communicated with the circulating air adapter (15), and the other end of the air duct three (18) is communicated with the air inlet hole (9); One side of the storage cavity of the cabinet (1) is fixedly installed with temperature sensor (4); The inside of the refrigeration bin (2) is fixedly installed with a refrigeration system and a control system, one end of the refrigeration bin (2) is provided with air inlet adapter (21) and air outlet adapter (22), the upper portion of the other end of the refrigeration bin (2) is provided with adapter seat (23), the adapter seat (23) is provided with circulating air adapter (24), the air inlet adapter (21) is below the air outlet adapter (22), the air inlet adapter (21), the air outlet adapter (22) and the circulating air adapter (24) are consistent in direction, the output end of the refrigeration system is communicated with the air inlet adapter (21) and the air outlet adapter (22), and the air inlet adapter (21) is communicated with the circulating air adapter (24); The air inlet adapter (21) and the air inlet adapter (13) are plug-inserted and sealedly connected; The air outlet adapter (22) and the air outlet adapter (14) are plug-inserted and sealedly connected; The circulating air adapter (24) and the circulating air adapter (15) are plug-inserted and sealedly connected; The inside of the air outlet cover (3) is provided with a blowing assembly; The blowing assembly comprises a fan (31) and an impeller (32), one end of the fan (31) is fixedly connected with the impeller (32), the impeller (32) is rotatably installed in the air outlet cover (3), and the fan (31) is fixedly installed at one end in the air outlet cover (3). The control system is electrically connected with the refrigeration system, the control system is electrically connected with the temperature sensor (4) and the fan (31) through the three-prong integrated wire harness (5), and the control system, the temperature sensor (4) and the fan (31) are connected with an external power supply through the three-prong integrated wire harness (5).

2. A stepless variable speed air curtain for a retail display cabinet as claimed in claim 1, wherein: The cabinet body (1) is uniformly and fixedly provided with a plurality of layer plates (7) in a stepped manner in the storage cavity.

3. A stepless variable speed air curtain for a supermarket display cabinet as claimed in claim 2, characterized in that: A plug hole (19) is formed in each of upper and lower sides of one side of the cabinet body (1), and the three-prong integrated wire harness (5) is connected between the control system, the temperature sensor (4) and the fan (31) through the plug hole (19).

4. A stepless variable speed air curtain for a supermarket display cabinet as claimed in claim 3, characterized in that: A universal wheel (6) is fixedly installed at each of four corners of the bottom surface of the cabinet body (1) and four corners of the bottom surface of the refrigeration bin (2).

5. A stepless variable speed air curtain for a supermarket cabinet display cabinet as claimed in any one of claims 1 to 4, wherein: A guide rail (10) is fixedly installed at each of two sides of the U-shaped cavity (11) of the cabinet body (1), a first screw hole is formed in an outer end of the guide rail (10), and the refrigeration bin (2) is slidably connected with the guide rail (10).

6. A stepless variable speed air curtain for a retail display cabinet as defined in claim 1, wherein: The socket (25) of the refrigeration system and the control system is arranged at one side outside the refrigeration bin (2), and the three-prong integrated wire harness (5) is plug-connected with the socket (25).

7. A stepless variable speed air curtain for a supermarket display cabinet according to claim 6, wherein: A guide rail groove (26) corresponding to the guide rail (10) is formed in each of two sides of the refrigeration bin (2), and the guide rail groove (26) is slidably connected with the corresponding guide rail (10).

8. A stepless variable speed air curtain for a supermarket cabinet display cabinet as claimed in claim 1, 6 or 7, wherein: A notch (27) corresponding to the guide rail groove (26) is formed in each of two sides of the front surface of the refrigeration bin (2), a second screw hole is coaxially formed between the notch (27) and the guide rail groove (26), and a bolt is fixedly installed between the first screw hole and the second screw hole.

9. A stepless variable speed air curtain for a supermarket stand cabinet according to claim 6, characterized in that: Plug heads (51) are arranged at two end heads of the three-prong integrated wire harness (5), a three-prong power plug is arranged at the other end head of the three-prong integrated wire harness (5), and the three-prong integrated wire harness (5) is plug-connected between the plug heads (51) and the socket (25) and the fan (31).

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