WO2020248606A1

WO2020248606A1 - Shelf assembly and container

Info

Publication number: WO2020248606A1
Application number: PCT/CN2020/072463
Authority: WO
Inventors: 徐润迪; 唐军; 孙伟; 张结龙; 任志恒
Original assignee: 合肥美的智能科技有限公司
Priority date: 2019-06-11
Filing date: 2020-01-16
Publication date: 2020-12-17
Also published as: JP2022536378A; CN110276896B; CN110276896A

Abstract

Provided are a shelf assembly and a container. The shelf assembly comprises: a mount (1); a gravity sensor (3) comprising a fixed end and a free end, the fixed end being fixed with the mount and the free end being suspended in the air relative to the mount (1); and a tray (2) fixed on the free end. The shelf assembly is fixed with the mount (1) via the fixed end of the gravity sensor (3), the free end carries the weight of the tray (2), and the lever principle is then used to greatly improve the recognition accuracy of microgravity change. The weight of the whole tray (2) acts on the free end. When goods are placed on the tray (2), the free end is pushed to a deformed status such that the gravity sensor (3) may recognize the weight of the goods according to the deformation; when the goods are taken away from the tray (2), the deformation caused thereby will recover, and the gravity sensor may recognize the weight of the goods according to the rebounded deformation. A container with the shelf assembly may greatly reduce the possibility of wrong customer order and avoid wrong deduction.

Description

Shelving components and containers

cross reference

This application refers to the Chinese patent application No. 2019105025135 filed on June 11, 2019 with the patent title "Shelf assembly and container", which is fully incorporated into this application by reference.

Technical field

This application relates to the technical field of smart vending, and in particular to a shelf assembly and a container.

Background technique

The automatic vending container is a kind of commercial transaction equipment that can automatically sell the corresponding goods without a salesperson. Because it is easy to install, does not require seller personnel during the transaction, and is not restricted by time and location, the automatic vending container is also used It is called a 24-hour micro supermarket.

At present, the gravity-recognized commodity pallets of automatic vending containers on the market directly install sensors on the pallets to recognize the gravity changes on the pallets. The inaccurate recognition when facing subtle gravity changes will greatly lead to customer order errors and wrong deductions. paragraph.

In addition, the disorderly placement of the goods on the pallet can easily cause the goods to tilt or lean on the box or other goods, which will lead to inaccurate product identification, and also easily lead to incorrect customer orders and incorrect deductions.

Summary of the invention

This application aims to solve at least one of the technical problems existing in the prior art or related technologies.

One of the objectives of this application is to provide a shelf assembly and a container to solve the problem of inaccurate recognition of the automatic vending container in the presence of subtle gravity changes in the prior art, which will lead to wrong customer orders and incorrect deductions.

In order to achieve this objective, the present application provides a shelf assembly, including:

Bottom bracket;

The gravity sensor includes a fixed end and a free end, the fixed end is fixed to the bottom support, and the free end is suspended relative to the bottom support;

The tray is fixed to the free end.

In an embodiment, a first protrusion is provided on the bottom support, and the fixed end is fixed on the first protrusion.

In one embodiment, a groove is provided at the edge of the bottom support, the first protrusion is located in the groove, and the gravity sensor is fixed in the groove.

In one embodiment, a limited installation slot is provided on the side of the bottom support away from the tray.

In an embodiment, the shelf assembly further includes a bearing plate, the bearing plate is provided with a second protrusion, the second protrusion is fixed to the free end, and the tray is fixed to the bearing plate .

In one embodiment, there are two gravity sensors, two load-bearing plates, and two gravity sensors and two load-bearing plates are distributed on both sides of the bottom support in a centrally symmetric manner .

In one embodiment, the tray includes a tray body and a partition, the partition is located on a side of the tray body away from the bottom support, and the partition moves and is fixed along the width direction of the tray body .

In one embodiment, the tray further includes a pair of sliding rails extending along the width direction of the tray body, the sliding rails are fixed on the tray body, and two ends of the partition are provided with sliders, The sliding block slides and is fixed along the sliding rail.

In one embodiment, the sliding rail is formed with an anti-falling chute, and the sliding block includes a limit part that enters the inside of the anti-falling chute from both ends of the sliding rail.

In one embodiment, two ends of the tray body along the width direction are provided with flanges, and the flanges block the ends of the slide rail.

In order to achieve this objective, the present application provides a container, which includes a cabinet body and a support column located in the cabinet body, and also includes the above-mentioned shelf assembly, and the shelf assembly is installed on the support column.

In an embodiment, the container further includes:

A camera component, installed on the side of the bottom support away from the tray, to capture image information in the cabinet;

A processing module to receive the image information and the gravity data measured by the gravity sensor;

The display module is connected to the processing module, and displays the pickup or replenishment status based on the image information and the gravity data.

In an embodiment, the container further includes:

The fan is arranged on the top of the inner cavity of the cabinet;

Both the tray and the bottom support are provided with ventilation holes.

The technical solution of the present application has the following advantages: the fixed end of the gravity sensor is fixed to the bottom bracket, and the free end bears the weight of the tray, and the gravity sensor uses the lever principle to greatly improve the microgravity. Changed recognition accuracy. The gravity of the entire tray acts on the free end. When the product is placed on the pallet, the free end will be pressed down and deformed, so that the gravity sensor can recognize the weight of the product according to the amount of deformation; when the product is removed from the tray, the amount of deformation caused by placing the product will be After recovery, the weight sensor will recognize how much weight the product has been picked based on the amount of springback deformation. The container with the shelf component can greatly reduce the possibility of the customer's consumption order mistakes and avoid false chargebacks.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Fig. 1 is a schematic side view of a shelf assembly of an embodiment of the present application;

2 is a schematic diagram of a perspective view of the shelf assembly of the embodiment of the present application;

FIG. 3 is a schematic isometric view of the shelf assembly of the embodiment of the present application from another perspective;

4 is a schematic diagram of a perspective view of the bottom support of the embodiment of the present application;

FIG. 5 is a schematic axonometric view of the bottom support of the embodiment of the present application from another perspective;

Fig. 6 is a schematic front view of the load-bearing plate of an embodiment of the present application;

Fig. 7 is a schematic top view of the load-bearing plate of an embodiment of the present application;

FIG. 8 is a schematic side view of the bearing plate of the embodiment of the present application;

FIG. 9 is a perspective view of the tray of the embodiment of the present application;

Fig. 10 is a schematic top view of a tray according to an embodiment of the present application;

Figure 11 is a schematic side view of a tray according to an embodiment of the present application;

FIG. 12 is a partial enlarged schematic diagram of I in FIG. 11;

FIG. 13 is a schematic side view of the sliding rail of the embodiment of the present application;

FIG. 14 is a schematic diagram of an axonometric view of a slider of an embodiment of the present application;

FIG. 15 is a schematic side view of the slider of the embodiment of the present application;

Fig. 16 is a schematic top view of a slider of an embodiment of the present application;

FIG. 17 is a schematic perspective view of a partition of an embodiment of the present application;

18 is a schematic diagram of a perspective view of the tray body of the embodiment of the present application;

19 is a schematic diagram of a perspective view of the tray body of the embodiment of the present application from another perspective;

FIG. 20 is an axonometric schematic diagram of a gravity sensor according to an embodiment of the present application;

Figure 21 is a perspective structural diagram of a container according to an embodiment of the present application;

FIG. 22 is a schematic diagram of a perspective view of the container of an embodiment of the present application;

FIG. 23 is a schematic diagram of the installation of the camera component of the embodiment of the present application;

FIG. 24 is a schematic diagram of the structure of an imaging component of an embodiment of the present application;

25 is a schematic diagram of the structure of the lighting component of the embodiment of the present application;

In the figure: 1. bottom support; 2. tray; 201, tray body; 202, slide rail; 203, slider; 204, hook; 205, limit part; 206, partition; 3. gravity sensor; 4. Bearing plate; 5. Limit installation groove; 6. First protrusion; 7. Groove; 8. Second protrusion; 9. Through hole; 10. Mounting hole; 11. Flanging; 12. Positioning post; 13. 14. Ventilation hole; 14, processing module; 15, display module; 16, camera component; 17, lighting component; 18, fan; 19, support column.

Detailed ways

The implementation of the present application will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the application, but cannot be used to limit the scope of the application.

In the description of this application, it should be noted that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

1 to 3, according to the embodiment of the present application, the shelf assembly includes a bottom support 1, a gravity sensor 3, and a tray 2. Wherein, the gravity sensor 3 includes a fixed end and a free end. The fixed end is fixed to the bottom support 1 and the free end is suspended relative to the bottom support 1; the tray 2 is fixed to the free end.

Since the fixed end of the gravity sensor is fixed with the bottom support 1 and the free end bears the weight of the tray 2 of this kind of shelf assembly, this kind of gravity sensor utilizes the principle of leverage to greatly improve the recognition accuracy of microgravity changes. The gravity of the entire tray 2 acts on the free end. When the product is placed on the pallet 2, the free end will be pressed and deformed, so that the gravity sensor can recognize the weight of the product according to the amount of deformation; when the product is removed from the tray 2, the deformation caused by placing the product The weight will be restored, and the weight sensor will recognize how much weight the product has been picked based on the amount of rebound deformation. The container with the shelf component can greatly reduce the possibility of the customer's consumption order mistakes and avoid false chargebacks.

Referring to FIG. 4, a first protrusion 6 is provided on the bottom support 1, and the fixed end is fixed on the first protrusion 6. By arranging the first protrusion 6, it is possible to ensure that the free end of the gravity sensor is suspended in the air, thereby ensuring that the gravity sensor is fixed on the bottom support 1 in a suspended state at one end.

In FIG. 4, the first protrusion 6 is in the shape of a cube. In this case, the first protrusion 6 and the gravity sensor are in surface contact, thereby ensuring the structural strength of the first protrusion 6 and the gravity sensor. Of course, the drawings do not constitute a restriction on the structure of the first protrusion 6, and the first protrusion 6 may also adopt any structural form.

In addition, in order to ensure that the free end of the gravity sensor 3 is suspended relative to the bottom support 1, a protrusion may be provided at the fixed end of the gravity sensor 3 or a notch may be provided at a corresponding position on the bottom support 1.

Further, a groove 7 is provided on the bottom support 1, the first protrusion 6 is located in the groove 7, and the gravity sensor 3 is fixed in the groove 7. Through the arrangement of the groove 7, the positions of the first protrusion 6 and the gravity sensor 3 can be limited, and the installation reliability of the gravity sensor 3 can be ensured. Moreover, due to the arrangement of the groove 7, the first protrusion 6 can be completely hidden in the groove 7, and at least part of the gravity sensor 3 can also be hidden in the groove 7 to ensure the aesthetics of the shelf assembly.

In FIG. 4, the grooves 7 are distributed along the edge of the base 1, and when the number of gravity sensors 3 is multiple, multiple gravity sensors 3 are arranged along the edge of the groove 7. In addition, in FIG. 4, two first protrusions 6 are respectively arranged at the lower left and upper right of the bottom bracket 1, and the two gravity sensors 3 are fixed by the first protrusions 6 at the lower left and upper right, respectively.

Referring to Fig. 5, a limited installation slot 5 is provided on the side of the bottom support 1 away from the tray 2. Through the limiting installation groove 5, it is convenient to fix the bottom bracket 1 and even the shelf assembly to the support column 19 later. In FIG. 5, the number of limit installation grooves 5 is four, and they are distributed at the four corner positions of the rectangular bottom bracket 1. Of course, the structure of the bottom bracket 1 is not limited by FIG. 5, and the number of the limit mounting slots 5 is also not limited by the examples here.

Furthermore, it is found from FIG. 1 that the shelf assembly also includes a bearing plate 4. With reference to FIGS. 6 to 8, the bearing plate 4 is provided with a second protrusion 8, the second protrusion 8 of the bearing plate 4 is fixed to the free end, and the tray 2 is fixed to the bearing plate 4. Through the arrangement of the bearing plate 4, the gravity of the tray 2 can be transferred to the bearing plate 4, and then transferred to the gravity sensor 3 through the bearing plate 4, thereby improving the sensitivity of the gravity sensor 3 to the change of gravity on the tray 2.

In addition, it can be found from FIG. 7 that there are through holes 9 provided at both ends of the second protrusion 8. The through holes 9 are used to cooperate with the positioning posts 12 at the bottom of the tray 2 to fix the tray 2 to the bearing plate 4. And through the bearing plate 4, the gravity is transmitted to the free end.

One end of the bearing plate 4 is fixed to the free end by the second protrusion 8 and the other end is suspended relative to the gravity sensor 3. Therefore, the bearing plate 4 also uses the lever principle to transmit the gravity change on the tray 2 to the gravity sensor 3.

According to the embodiment of the present application, in addition to the through hole 9 provided on the bearing plate 4, the gravity sensor 3 and the bottom support 1 are also provided with through holes 9 at the corresponding positions, and furthermore, between the bearing plate 4 and the gravity sensor 3, and the gravity Both the sensor 3 and the bottom support 1 can be connected by a fastener passing through the through hole 9. Of course, the through holes 9 here can also be replaced by blind holes or other forms of holes, as long as the connection requirements between the components can be met.

According to the embodiment of the present application, the load-bearing plate 4 is elongated and extends along the length of the groove 7 in FIG. 4, and the load-bearing plate 4 of this kind can convert the gravity change on the entire tray 2 into the load-bearing plate 4. The change in gravity is finally transformed into a change in gravity at the free end.

According to the embodiment of the present application, there are two gravity sensors 3 and two load-bearing plates 4, and the two gravity sensors 3 and the two load-bearing plates 4 are distributed on both sides of the base 1 in a center-symmetric manner. Among them, when the bottom support 1 adopts the structure in FIG. 4, that is, when a rectangular frame-shaped groove 7 is formed on the bottom support 1, two gravity sensors 3 are respectively distributed on the left and right sides. In the groove 7. Among them, the gravity sensor 3 on the left has its fixed end located below and its free end is located above; the gravity sensor 3 on the right has its fixed end located above and its free end located below. A bearing plate 4 is installed on the two gravity sensors 3 respectively. The bearing plate 4 is installed on the free end of the gravity sensor 3 along the length extending direction of the groove 7. In this case, the gravity change on the entire tray 2 can be transmitted to the gravity sensor 3 through the load-bearing plate 4, and the load-bearing plates 4 and gravity sensors 3 on both sides can ensure the reliability of carrying the tray 2 and the goods on the tray 2.

Referring to FIGS. 9 to 12, the tray 2 includes a tray body 201 and a partition 206. The partition 206 is located on the side of the tray body 201 away from the bottom support 1. The partition 206 moves and is fixed along the width direction of the tray body 201. Among them, "the width direction of the tray body 201" is the left-right direction in FIGS. 9 and 10.

Through the arrangement of this kind of partition 206, the storage space above the tray 2 can be flexibly divided to avoid the disorderly placement of goods, and the situation that the goods are inclined or leaning on the box or other goods to ensure the access The accuracy of product identification in the process reduces the occurrence of wrong customer order deductions. For example, when it is necessary to place cans with a larger size, the partition 206 can be moved to make the size of the storage space of the current column of goods larger to meet the needs of cans. When a smaller size of mineral water needs to be placed, the partition 206 can be moved to make the size of the current column of commodity placement space smaller.

According to the embodiment of the present application, the tray 2 includes a pair of sliding rails 202 extending along the width direction of the tray body 201, please refer to FIG. 13. Two ends of the partition 206 are provided with sliders 203, and the sliders 203 slide and are fixed along the sliding rail 202. For the structure of the sliders 203, please refer to FIGS. 14-16. Through the cooperation of the slider 203 and the sliding rail 202, the partition 206 is moved and fixed along the width direction of the tray 2. For the cooperation between the sliding rail 202 and the sliding block 203, please refer to FIG. 12 again. Of course, in addition to the form of cooperation between the sliding rail 202 and the slider 203, the tray 2 and the partition 206 can also be movably matched by means of a ball screw pair, a chain sprocket and other methods disclosed in the prior art.

In FIG. 13, the sliding rail 202 is formed with an anti-falling sliding groove, and the slider 203 includes a limiting portion 205 that enters the inside of the anti-falling sliding groove from both ends of the sliding rail 202. Through the arrangement of the anti-falling sliding groove, the sliding block 203 can be prevented from falling off the sliding rail 202. Among them, the cross section of the anti-falling chute can be T-shaped, L-shaped or U-shaped. Furthermore, after the limiting portion 205 of the corresponding structure enters the anti-skid escape groove through both ends of the sliding rail 202, it can move along the anti-skid escape groove. For example, when the cross-section of the anti-falling chute is T-shaped, the corresponding limiting portion 205 of the sliding block 203 may be a bolt head of a T-shaped bolt.

It is found from FIG. 16 that the slider 203 includes a hook 204. In addition, mounting holes 10 are formed at both ends of the partition 206, see FIG. 17. Furthermore, the hook 204 of the slider 203 can be clamped at the mounting hole 10 of the partition 206 to realize a detachable connection between the slider 203 and the partition 206. It should be noted that when the partition 206 and the sliding block 203 are connected by the structure shown in the figure, the partition 206 can be easily removed for cleaning at any time. Of course, the sliding block 203 and the partition 206 may also be welded, bonded, threaded, etc., and the specific connection form is not limited.

Referring to FIGS. 18 and 19, the two ends of the tray body 201 along the width direction are provided with flanges 11, that is, flanges 11 are provided at the left and right ends of the tray body 201. Wherein, after the slide rail 202 is installed, the flange 11 blocks the end of the slide rail 202, and then the partition 206 is installed on the slide rail 202 through the slider 203, and the flange 11 is provided to prevent the partition 206 from opposing The tray body 201 falls off.

According to the embodiment of the present application, please refer to FIG. 20 for the structure of the gravity sensor 3 provided. The left free end of the gravity sensor 3 is provided with a through hole 9 configured to be connected to the bearing plate 4, and the right fixed end of the gravity sensor 3 is provided with a through hole 9 configured to be connected to the bottom support 1. A weight reduction hole is also arranged between the free end and the fixed end. Of course, FIG. 20 is not enough to limit the gravity sensor 3 of the present application.

According to an embodiment of the present application, a container is provided, which includes a cabinet body and a support column 19 located in the cabinet body, and also includes the above-mentioned shelf assembly, which is installed on the support column 19, please refer to FIGS. 21 and 22. This kind of container has reasonable structure and reliable assembly.

Wherein, with reference to Figure 21, the support column 19 has mounting holes distributed along its length, and the mounting holes are fitted with fasteners, which can be fixed into the mounting holes, and the limit mounting slot 5 of the bottom bracket 1 matches the fasteners to The cooperation between the shelf assembly and the support column 19 is realized. By adjusting the position of the fastener on the support column 19, the position of the shelf assembly can be adjusted.

According to the embodiment of the present application, the container further includes a camera component 16, a processing module 14 and a display module 15. The camera component 16 is installed on the side of the bottom support 1 away from the tray 2 and is configured to capture image information in the cabinet, see FIG. 23. Specifically, the mounting hole 10 of the imaging component 16 may be provided on the bottom support 1. Please refer to FIG. 24 for the structure of the camera unit 16. Of course, for the commodities on the pallet 2 on the uppermost layer, in order to monitor the image information, the camera component 16 needs to be installed on the top of the cabinet. The processing module 14 receives the image information and the gravity data measured by the gravity sensor 3, and processes the acquired data to determine the current pick-and-place product and product quantity. The display module 15 is connected to the processing module 14 and displays the pick-up or replenishment status based on image information and gravity data. For this kind of container, all the gravity change information on the tray 2 in the shelf assembly will be effectively received and passed to the processing module 14. The processing module 14 processes the data information, which can greatly improve the accuracy of product identification. Moreover, this kind of container can display customer order information in real time, which greatly improves customer experience and shopping comfort.

Of course, in order to accurately identify the picked-up product, in addition to providing the camera component 16, an RFID recognizer can also be used to replace the camera component 16, or the camera component 16 and the RFID recognizer can also be provided at the same time.

According to the embodiment of the present application, the container further includes a fan 18, please refer to FIG. 21. The fan 18 is arranged on the top of the cavity of the cabinet, and the tray 2 and the bottom support 1 are both provided with ventilation holes 13. Through the arrangement of the fan 18 and the ventilation holes 13, the air flow can be ensured to circulate inside the cabinet, thereby ensuring the storage environment of the goods. The structure of the ventilation hole 13 can refer to FIGS. 3, 4, 5, 10, 18, 19 and 23.

Please refer to Figure 25. The container also includes a lighting component 17, and the lighting component 17 is located above each shelf assembly, so as to ensure that the goods above each shelf assembly are clearly visible, so as to ensure that the camera component 16 is cleaned to obtain the inside of the cabinet. Image information.

The above-mentioned processing module 14 may be a terminal service module, the display module 15 may be a liquid crystal display, the camera part 16 may be a camera, and the lighting part 17 may be an LED lamp.

The above implementations are only used to illustrate the application, but not to limit the application. Although the application has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that various combinations, modifications, or equivalent replacements of the technical solutions of the application do not depart from the spirit and scope of the technical solutions of the application, and should cover Within the scope of the claims of this application.

Claims

A shelf assembly is characterized in that it comprises:

Bottom bracket;

The gravity sensor includes a fixed end and a free end, the fixed end is fixed to the bottom support, and the free end is suspended relative to the bottom support;

The tray is fixed to the free end.
The shelf assembly of claim 1, wherein a first protrusion is provided on the bottom bracket, and the fixed end is fixed on the first protrusion.
The shelf assembly according to claim 2, wherein a groove is provided at the edge of the bottom bracket, the first protrusion is located in the groove, and the gravity sensor is fixed to the groove in.
The shelf assembly according to claim 1, wherein a limited installation slot is provided on a side of the bottom support away from the tray.
The shelf assembly according to any one of claims 1 to 4, wherein the shelf assembly further comprises a bearing plate, the bearing plate is provided with a second protrusion, and the second protrusion is fixed At the free end, the tray is fixed to the bearing plate.
The shelf assembly of claim 5, wherein there are two gravity sensors, two load-bearing plates, and two gravity sensors and two load-bearing plates are in a centrally symmetrical manner Distributed on both sides of the bottom support.
The shelf assembly according to any one of claims 1 to 4, wherein the tray comprises a tray body and a partition, and the partition is located on a side of the tray body away from the bottom support, so The partition is moved and fixed along the width direction of the tray body.
The shelf assembly of claim 7, wherein the tray further comprises a pair of slide rails extending along the width direction of the tray body, the slide rails are fixed on the tray body, and the partition Both ends of the board are provided with sliding blocks, and the sliding blocks slide and are fixed along the sliding rails.
The shelf assembly according to claim 8, wherein the sliding rail is formed with an anti-falling sliding groove, and the sliding block includes a limiter that enters the inside of the anti-falling sliding groove from both ends of the sliding rail. unit.
The shelf assembly of claim 9, wherein the two ends of the tray body along the width direction are provided with flanges, and the flanges block the ends of the slide rails.
A container, comprising a cabinet body and a support column located in the cabinet body, characterized in that it further comprises the shelf assembly of any one of claims 1 to 10, the shelf assembly being installed on the support column on.
The container according to claim 11, wherein the container further comprises:

A camera component, installed on the side of the bottom support away from the tray, to capture image information in the cabinet;

A processing module to receive the image information and the gravity data measured by the gravity sensor;

The display module is connected to the processing module, and displays the pickup or replenishment status based on the image information and the gravity data.
The container according to claim 11, wherein the container further comprises:

The fan is arranged on the top of the inner cavity of the cabinet;

Both the tray and the bottom support are provided with ventilation holes.