A refrigerated product structure that ensures temperature uniformity and stability.

Abstract

This invention relates to the field of refrigeration and insulation devices, specifically disclosing a refrigeration product structure that ensures temperature uniformity and stability. The structure includes a freezer, which is a rectangular box with a double-opening door on one side. A second insulated door, hinged to the inner wall of the freezer, is located on the other side of the door. A compressor is installed in the upper part of the freezer, connected to an air outlet assembly below via pipes. Several shelves arranged in a row are located in the middle of the freezer, with multiple lifting and drainage mechanisms mounted on the shelf platforms. The distance between the shelves and the inner wall of the freezer is limited to a certain range to ensure air circulation. The air duct is designed using a metal plate, forming a complete internal air circulation system. Temperature sensors are fixed in the middle of the upper shelves, allowing for better detection of temperature changes within the freezer.

Description

Technical Field

[0001] This invention relates to the field of refrigeration and insulation devices, and in particular to a refrigeration product structure that ensures temperature uniformity and stability. Background Technology

[0002] As people's living standards gradually improve, they need to refrigerate some food and fruits and vegetables, so refrigerators are becoming increasingly popular among consumers.

[0003] Current refrigerators use a top-mounted direct cold airflow system. Food on the upper shelves is constantly exposed to this direct cold air, which can cause moisture loss from the surface, shortening its shelf life and making it more susceptible to freezing damage. Furthermore, current freezers use fans to blow cold air from above, resulting in poor temperature uniformity. The upper shelves tend to be cold while the lower shelves remain warm. To ensure ventilation between the upper and lower shelves, existing refrigerators often use wire mesh shelves. While this allows for ventilation, condensation on items when opening and closing the door can drip onto items on the lower shelves, causing contamination. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a refrigerated product structure that ensures temperature uniformity and stability.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A refrigerated product structure that ensures temperature uniformity and fluctuation includes a freezer. The freezer is a rectangular box with a double-opening door on one side. A second insulated door is hinged to the inner wall of the freezer on the same side of the door. A compressor is installed in the upper part of the freezer, and the compressor is connected to the air outlet assembly below through a pipe. Several shelves are arranged in the middle part of the freezer, and multiple lifting and drainage mechanisms are installed on the shelves.

[0007] Preferably, the double-layer insulated door consists of two movable windows, an upper window and a lower window. The upper and lower windows can move along guide rails on the inner wall of the double-layer insulated door without interfering with each other.

[0008] Preferably, the air outlet assembly includes a cooling plate, an air outlet fan, a side air outlet plate, a bottom air outlet, and a sheet metal plate. The cooling plate is located below the compressor. The outer layer of the cooling plate is covered with an L-shaped sheet metal plate. Three slots are cut out on the sheet metal plate near the air outlet of the cooling plate. Three sets of air outlet fans are installed on the slots. A V-shaped metal plate is set on the outer side of the sheet metal plate. A slot is opened on one side surface of the metal plate. A fan mechanism that can control the air outlet direction is set in the slot of the metal plate. An air outlet cavity is set in the middle of the metal plate. Side air outlet plates are set on both sides of the metal plate. The side air outlet plates are connected to the air outlet cavity. An air outlet duct is set below the side air outlet plates. A bottom air outlet is set on the air outlet duct.

[0009] Preferably, the fan mechanism includes a motor, fan blades, a rotating ring, wind deflectors, and a fan housing. The fan housing is snapped into the slot of a metal plate. The motor is located on the back of the fan housing and is fixed to the fan housing by a bracket. The output shaft of the motor is connected to the fan blades located inside the fan housing. The rotating ring is sleeved at the front end of the fan housing, and a circular ring is sleeved at the front end of the rotating ring. Several rotatable wind deflectors are provided at the air outlet of the circular ring.

[0010] Preferably, the shelf includes a water collection plate, a railing, and a temperature sensor. The water collection plate is attached to the inner wall of the freezer by a limiter. A groove is opened in the middle of the water collection plate, and a lifting drainage mechanism is installed in the groove. A railing is installed around the water collection plate. A water receiving plate is fixed to the inner wall of the freezer below the water collection plate. A water guide groove is opened on the surface of the water collection plate, and a water outlet is opened at the bottom of one side of the water guide groove. The water outlet on the surface of the water collection plate is directly below the water receiving plate. The shelf and the inner wall of the freezer are spaced at a certain distance and fixed by a limiter. A temperature sensor is installed between the two rows of shelves.

[0011] Preferably, the lifting drainage mechanism includes a rack, a gear, and a connecting block. It also includes a first connecting plate, a sleeve plate, a second connecting plate, a rotating shaft, a flipping plate, an extension plate, and a small drain plate. The rack is disposed on one side of the inner wall of the groove in the water collection plate. A connecting block is disposed in the middle of the rack. The connecting block is hinged to the first connecting plate. The surface of the first connecting plate has a hole. A flip-able drain plate is hinged to the hole wall of the first connecting plate. A sleeve plate is fitted onto one side of the first connecting plate, and a second connecting plate is fitted onto one side of the sleeve plate. One end of the second connecting plate is hinged to the rotating shaft, which is fixed to the other side of the inner wall of the groove in the water collection plate.

[0012] Both sides of the rack are provided with gears that mesh with the rack. One side of the gear is connected to a motor fixed on the side wall of the water collection plate, and the other side of the gear is connected to a flip plate through a shaft. The other end of the flip plate is connected to the side wall of the water collection plate through a shaft. An extension plate is provided below the flip plate. Both the flip plate and the extension plate are provided with drainage channels that facilitate drainage.

[0013] Preferably, a trigger switch is provided at the top of the cabinet door, and the trigger switch is electrically connected to the motor in the lifting and draining mechanism.

[0014] Preferably, the trigger switch, rotating ring, temperature sensor, and cooling element are all electrically connected to the PLC controller.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. Compared with existing equipment, the present invention features a lifting and draining mechanism. While the grid-like shelves ensure air circulation within the freezer, water dripping from the upper food may contaminate the food on the lower shelf. This device, with its lifting and draining mechanism, can drain water from the food during operation, reducing the possibility of contamination from the upper food to the lower food, and also increases the permeability between the upper and lower shelves, meeting the needs of long-term food preservation. When manually retrieving food, the lifting and draining mechanism makes it easier for people to retrieve the food. This satisfies both the need for air circulation when closing the freezer and the convenience of retrieving food when opening the freezer door.

[0017] 2. This invention, through the combination of an air outlet assembly and a fan mechanism, diverts cold air via side air outlets on both sides of the air outlet assembly. Cold air can be blown out from the bottom air outlet below the side air outlet or from the slots in the metal plate, allowing cold air to be delivered to the freezer from both the top and bottom at the same time. This quickly controls the temperature inside the freezer within a certain temperature range. By measuring the results through multiple temperature sensors inside the freezer, the rotation angle of the rotating ring can be controlled, and the baffle plate can rotate at a certain angle, allowing for better directional delivery of cold air.

[0018] 3. The present invention, through the fan mechanism, can close the wind deflector when the uniform temperature inside the refrigerator is reached, and cold air will blow out from the side air outlet. The bottom air outlet is equipped with a mesh to disperse the cold air, reducing the amount of moisture that is taken away from the surface of the food by the direct blowing of cold air, and reducing the risk of food freezing damage caused by the direct blowing of cold air.

[0019] 4. This invention features a double-layered insulated door with four windows on the second layer. When food needs to be retrieved from a specific area, the corresponding window can be pulled directly. This device reduces the size of the open windows during food retrieval, thereby reducing the leakage of cold air and the entry of hot air from the freezer. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the freezer of the present invention;

[0021] Figure 2 This is a schematic diagram of the freezer door of the present invention when it is opened;

[0022] Figure 3This is a cross-sectional view of the interior of the freezer of the present invention;

[0023] Figure 4 This is a schematic diagram of the air outlet assembly of the present invention;

[0024] Figure 5 This is a top view of the air outlet assembly of the present invention;

[0025] Figure 6 This is a schematic diagram of the fan mechanism of the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the shelf of the present invention;

[0027] Figure 8 This is a schematic diagram of the water collection plate of the present invention;

[0028] Figure 9 This is a schematic diagram of the lifting and draining mechanism of the present invention;

[0029] Figure 10 This is a schematic diagram of the lifting and draining mechanism of the present invention during the draining process.

[0030] Figure 11 This is a schematic diagram of the lifting and drainage mechanism of the present invention when personnel are retrieving items;

[0031] Figure 12 This is a schematic diagram of the structure of the flip plate and extension plate of the present invention;

[0032] Figure 13 This is a cross-sectional view of the flip plate and extension plate of the present invention;

[0033] In the diagram: 1. Freezer; 101. Cabinet door; 102. Upper sliding window; 103. Lower sliding window; 2. Trigger switch; 3. Shelf; 301. Water collection plate; 302. Enclosure; 303. Temperature sensor; 304. Water collection plate; 4. Compressor; 5. Air outlet assembly; 501. Cooling element; 502. Exhaust fan; 503. Exhaust cavity; 504. Side exhaust panel; 505. Bottom exhaust vent; 506. Sheet metal plate; 5 7. Metal plate; 6. Fan mechanism; 601. Motor; 602. Fan blade; 603. Rotating ring; 604. Wind deflector; 605. Fan housing; 7. Lifting and drainage mechanism; 701. Rack; 702. Gear; 703. Connecting block; 704. First connecting plate; 705. Sleeve plate; 706. Second connecting plate; 707. Rotating shaft; 708. Flip plate; 709. Extension plate; 710. Drainage hole plate. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0035] Reference Figure 1-13 A refrigerated product structure that ensures temperature uniformity and fluctuation includes a freezer 1, which is a rectangular box. The freezer 1 has a double-opening door 101 on one side. A second insulated door is hinged to the inner wall of the freezer 1 on the other side of the door 101. A compressor 4 is installed in the upper part of the freezer 1. The compressor 4 is connected to the air outlet component 5 below through a pipe. A shelf 3 composed of several rows is installed in the middle part of the freezer 1. Multiple sets of lifting and drainage mechanisms 7 are installed on the shelf platform of the shelf 3.

[0036] The double-layer insulated door consists of two movable windows, an upper sliding window 102 and a lower sliding window 103. The upper sliding window 102 and the lower sliding window 103 move by guide rails set on the inner wall of the double-layer insulated door, and the upper sliding window 102 and the lower sliding window 103 do not interfere with each other. This device reduces the leakage of cold air and the entry of hot air by reducing the size of the opening window.

[0037] The air outlet assembly 5 includes a cooling plate 501, an exhaust fan 502, a side exhaust panel 504, a bottom exhaust port 505, and a sheet metal plate 506. The cooling plate 501 is located below the compressor 4. The cooling plate 501 is covered by an L-shaped sheet metal plate 506. Three slots are cut out on the sheet metal plate 506 near the exhaust port of the cooling plate 501, and three sets of exhaust fans 502 are installed in the slots. A V-shaped metal plate 507 is provided on the outer side of the sheet metal plate 506. A slot is opened on one side surface of the metal plate 507, and a controllable exhaust fan is provided in the slot of the metal plate 507. The fan mechanism 6 is for airflow direction. The metal plate 507 has an air outlet cavity 503 in the middle. Side air outlet plates 504 are provided on both sides of the metal plate 507. The side air outlet plates 504 are connected to the air outlet cavity 503. An air outlet duct is provided below the side air outlet plates 504. Compared with the existing configuration, the internal fan blows cold air directly from the top for internal circulation. This device uses two sets of channels. One set is for internal circulation, and the other set directly transmits cold air to the bottom of the freezer 1. It can quickly control the temperature error in the freezer 1 within a small range. A bottom air outlet 505 is provided on the air outlet duct.

[0038] The fan mechanism 6 includes a motor 601, fan blades 602, a rotating ring 603, a baffle plate 604, and a fan housing 605. The fan housing 605 is snapped into the slot of the metal plate 507. The motor 601 is located on the back of the fan housing 605 and is fixed to the fan housing 605 by a bracket. The output shaft of the motor 601 is connected to the fan blades 602 located inside the fan housing 605. The rotating ring 603 is sleeved on the front end of the fan housing 605. The front end of the moving coil 603 is fitted with a ring, and the air outlet of the ring is equipped with several rotatable baffles 604. Compared with existing refrigerators, where cold air always blows on the top layer of food, which may cause the food on the top layer to freeze, this device can close the baffles 604 when the uniform temperature inside the refrigerator is reached, and the cold air will blow out from the side air outlet 504. In addition, the bottom air outlet 505 is equipped with a mesh to disperse the cold air and reduce the cold air from blowing directly on the food and causing it to freeze.

[0039] The shelf 3 includes a water collection plate 301, a railing 302, and a temperature sensor 303. The water collection plate 301 is attached to the inner wall of the freezer 1 by a limiter. A groove is opened in the middle of the water collection plate 301, and a lifting drainage mechanism 7 is installed in the groove. A railing 302 is installed around the water collection plate 301. A water receiving plate 304 is fixed to the inner wall of the freezer 1 below the water collection plate 301. A water guide groove is opened on the surface of the water collection plate 301, and a water outlet is opened at the bottom of one side of the water guide groove. The water outlet on the surface of the water collection plate 301 is directly below the water receiving plate 304. The shelf 3 and the inner wall of the freezer 1 are spaced at a certain distance and fixed by a limiter to ensure air circulation. A temperature sensor 303 is installed between the two rows of shelves 3.

[0040] The lifting drainage mechanism 7 includes a rack 701, a gear 702, a connecting block 703, a first connecting plate 704, a sleeve plate 705, a second connecting plate 706, a rotating shaft 707, a flipping plate 708, an extension plate 709, and a small drain plate 710. The rack 701 is disposed on one side of the inner wall of the slot in the water collection plate 301. The connecting block 703 is disposed in the middle of the rack 701. The connecting block 703 is hinged to the first connecting plate 704. The surface of the first connecting plate 704 has a hole. The flippable drain plate 710 is hinged to the hole wall of the first connecting plate 704. The sleeve plate 705 is sleeved on one side of the first connecting plate 704, and the second connecting plate 706 is sleeved on one side of the sleeve plate 705. One end of the second connecting plate 706 is hinged to the rotating shaft 707. 7 is fixed to the other side of the inner wall of the groove of the water collection plate 301; both sides of the rack 701 are provided with gears 702 that mesh with the rack 701. One side of the gear 702 is connected to a motor fixed on the side wall of the water collection plate 301, and the other side of the gear 702 is connected to the flip plate 708 through a shaft. The other end of the flip plate 708 is connected to the side wall of the groove of the water collection plate 301 through a shaft. An extension plate 709 is provided below the flip plate 708. The upper surfaces of the flip plate 708 and the extension plate 709 are provided with drainage channels that facilitate drainage. The device, through the lifting drainage mechanism 7, can drain the food in the working state, reduce the possibility of upper food contaminating lower food, and increase the permeability between the upper and lower layers to meet the needs of long-term food preservation.

[0041] A trigger switch 2 is installed at the top of the cabinet door 101. The trigger switch 2 is electrically connected to the motor inside the lifting and draining mechanism 7. When the cabinet door 101 is opened, the trigger switch 2 is activated and outputs an electrical signal to the PLC controller. The PLC controller controls the motor inside the lifting and draining mechanism 7 to start. When the cabinet door 101 is opened or closed, the lifting and draining mechanism 7 responds quickly and rises, making it convenient for people to take out items. The device is more user-friendly. The trigger switch 2, the rotating ring 603, the temperature sensor 303 and the cooling chip 501 are all electrically connected to the PLC controller.

[0042] In use, this invention features two layers of insulated doors. The second layer has four windows: an upward-sliding window 102 and a downward-sliding window 103. Figure 2 As shown, when goods need to be placed in, the second-layer insulated door can be opened directly around the hinge point, and the food can be placed on the shelf 3. When food needs to be retrieved from a certain area, the food in the corresponding area can be retrieved directly by pulling the sliding window of the corresponding area. Compared with the existing freezer 1, this device reduces the size of the opening of the cabinet door 101, thereby reducing the leakage of cold air and the entry of outside air, thus achieving the insulation performance of the freezer 1.

[0043] Under normal operating conditions, compressor 4 is connected to cooling element 501 via piping. Cooling element 501 generates cold air, which is then blown out by fan 502. The cold air enters the air outlet cavity 503 and is blown out from the side air outlets 504 on both sides of metal plate 507 and from the slots opened on metal plate 507. The cold air enters from the side air outlets 504 and is blown out through the bottom air outlets 505 at the bottom of the side air outlets 504, allowing the cold air to directly reach the bottom of freezer 1. Figure 5 As shown, compared to existing setups, which use an internal fan to blow cold air directly from the top for internal circulation, this device uses two sets of channels: one for internal circulation and the other to directly transmit cold air to the bottom of freezer 1. This allows for rapid control of the temperature error inside freezer 1 within a small range. When cold air is blown out from metal plate 507, motor 601 operates under the control of the PLC controller. The output shaft of motor 601 drives fan blades 602 to rotate. By adjusting the rotation speed of motor 601, the amount of cold air blown out by fan blades 602 increases, and the angle of the cold air also changes. By changing the direction of the airflow, the results measured by multiple temperature sensors 303 inside the freezer 1 can be controlled by adjusting the rotation angle of the rotating ring 603. The baffle 604 can then rotate at a certain angle, allowing for better airflow. In contrast to existing refrigerators where cold air always blows onto the top layer of food, potentially causing it to freeze, this device closes the baffle 604 once the uniform temperature inside the refrigerator is reached. Cold air will then blow out from the side air outlet 504. Furthermore, the bottom air outlet 505 is equipped with a mesh to disperse the cold air, reducing the direct impact of cold air on food and preventing it from freezing.

[0044] When cabinet door 101 is opened, it triggers the trigger switch 2 on top of the cabinet door. The trigger switch 2 outputs an electrical signal to the PLC controller, which in turn outputs a signal to the lifting and draining mechanism 7. The motor of the lifting and draining mechanism 7 is electrically connected to an external power supply. The motor output shaft of the lifting and draining mechanism 7 rotates, driving gear 702 to run. Gear 702 meshes with rack 701, causing rack 701 to rise. As rack 701 rises, one end of the first connecting plate 704 rises. During this rise, part of the first connecting plate 704 is pulled out of the sleeve plate 705, and the first connecting plate 704 and the second connecting plate 706 tilt and rise as a whole. Figure 11 As shown, one end of the lifting and drainage mechanism 7 is raised, and the food placed on the shelf 3 is tilted and lifted as a whole under the action of the lifting and drainage mechanism 7, which makes it easier for people to see and take the food.

[0045] When cabinet door 101 is closed, it touches trigger switch 2. Trigger switch 2 outputs an electrical signal to the PLC controller, which then controls the lifting and draining mechanism 7 to tilt and descend. Figure 10As shown, under the action of gear 702, the tilting plates 708 on both sides of the lifting drainage mechanism 7 tilt inward. When the tilting plates 708 tilt, the extension plate 709 below is also pulled out by gravity. Figure 13 As shown, drainage channels are provided on the upper surfaces of the flip plate 708 and the extension plate 709. When the first connecting plate 704 descends, water slowly gathers at the bottom of the flip plate 708 and the extension plate 709 along the drainage channels and drips onto the first connecting plate 704. The first connecting plate 704 extends, and the perforated plate 710 flips downward, allowing water to drip onto the water receiving plate 304. The water receiving plate 304 collects the water. Compared with existing equipment, although the freezer 1 ensures air circulation throughout the freezer 1, water dripping from the upper food may contaminate the lower food. The lifting drainage mechanism 7 of this device can drain the condensed water droplets uniformly during operation, reducing the chance of water droplets dripping from the upper layer contaminating the lower food, and also increases the permeability between the upper and lower layers, meeting the needs of long-term food preservation.

[0046] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0047] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0048] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0049] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A refrigerated product structure that ensures temperature uniformity and fluctuation, comprising a freezer, characterized in that: The freezer is a rectangular box with a double-opening door on one side. A second insulated door is hinged to the inner wall of the freezer on the other side of the door. A compressor is installed in the upper part of the freezer and is connected to the air outlet component below through a pipe. Several shelves are arranged in the middle part of the freezer and multiple lifting and drainage mechanisms are installed on the shelf platform. The air outlet assembly includes a cooling chip, an air outlet fan, a side air outlet plate, a bottom air outlet, and a sheet metal plate. Three slots are cut out on the sheet metal plate near the air outlet of the cooling chip, and three sets of air outlet fans are installed on the slots. A V-shaped metal plate is set on the outer side of the sheet metal plate. A slot is opened on one side surface of the metal plate. A fan mechanism that can control the air outlet direction is set in the slot of the metal plate. An air outlet cavity is set in the middle of the metal plate. Side air outlet plates are set on both sides of the metal plate. The side air outlet plates are connected to the air outlet cavity. An air outlet duct is set below the side air outlet plates. A bottom air outlet is opened on the air outlet duct. The fan mechanism includes a motor, fan blades, a rotating ring, wind deflectors, and a fan housing. The rotating ring is fitted onto the front end of the fan housing, and a circular ring is fitted onto the front end of the rotating ring. Several rotatable wind deflectors are provided at the air outlet of the circular ring. The shelf includes a water collection plate, a railing, and a temperature sensor. The water collection plate has a groove in the middle, and a lifting drainage mechanism is installed in the groove. The water collection plate is surrounded by a railing. A water receiving plate is fixed to the inner wall of the freezer below the water collection plate. A water guide groove is opened on the surface of the water collection plate, and a water outlet is opened at the bottom of one side of the water guide groove. The water receiving plate is directly below the water outlet on the surface of the water collection plate. The lifting and drainage mechanism includes a rack, a gear, a connecting block, a first connecting plate, a sleeve plate, a second connecting plate, a rotating shaft, a flipping plate, an extension plate, and a small drain plate. The rack is set on one side of the inner wall of the groove in the water collection plate. A connecting block is set in the middle of the rack. The connecting block is hinged to the first connecting plate. The surface of the first connecting plate has a hole. A flip-able drain plate is hinged to the hole wall of the first connecting plate. A sleeve plate is sleeved on one side of the first connecting plate. A second connecting plate is sleeved on one side of the sleeve plate. A rotating shaft is hinged to one end of the second connecting plate. The rotating shaft is fixed to the other side of the inner wall of the groove in the water collection plate. Both sides of the rack are provided with gears that mesh with the rack. One side of the gear is connected to a motor fixed on the side wall of the water collection plate, and the other side of the gear is connected to a flip plate through a shaft. The other end of the flip plate is connected to the side wall of the water collection plate through a shaft. An extension plate is provided below the flip plate. Both the flip plate and the extension plate are provided with drainage channels that facilitate drainage.

2. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 1, characterized in that, The double-layer insulated door consists of two movable windows, an upper window and a lower window. The upper and lower windows move via guide rails on the inner wall of the double-layer insulated door, and the upper and lower windows do not interfere with each other.

3. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 2, characterized in that, The cooling element is located below the compressor, and its outer layer is wrapped with an L-shaped sheet metal plate.

4. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 3, characterized in that, The fan housing is snapped into the slot of the metal plate. A motor is installed on the back of the fan housing. The motor is fixed to the fan housing by a bracket. The output shaft of the motor is connected to the fan blades installed inside the fan housing.

5. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 4, characterized in that, The water collection plate is attached to the inner wall of the freezer by a limiter. The shelf and the inner wall of the freezer are spaced at a certain distance and fixed by a limiter. A temperature sensor is installed between the two rows of shelves.

6. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 5, characterized in that, A trigger switch is installed at the top of the cabinet door, and the trigger switch is electrically connected to the motor inside the lifting and draining mechanism.

7. The refrigerated product structure for ensuring temperature uniformity and fluctuation as described in claim 6, characterized in that, The trigger switch, rotating ring, temperature sensor, and cooling element are all electrically connected to the PLC controller.

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