Refrigeration equipment
By designing a refrigeration equipment that integrates a temperature change device and drives a fan, the uniform thawing of ingredients is achieved by using radio frequency energy, and quick freezing is achieved by driving the fan, the problem of quality reduction and complex operation of ingredients during the freezing and thawing process is solved, and the quality and simplicity of operations of ingredients after thawing is significantly improved.
Patent Information
- Application Number
- CN202421976003.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-08-14
AI Technical Summary
During the freezing and thawing process, the cell membrane of the food is easily punctured by ice crystals, resulting in the loss of juice of the food after thawing. In addition, existing thawing methods such as microwave thawing have problems such as uneven thawing and complex operation.
A refrigeration equipment is designed, including a box, an evaporator, a temperature change device and a drive fan. The temperature change device has a built-in RF generation device and a radio frequency transmitting component. The storage substance is thawed through radio frequency energy, and the rapid freezing and uniform thawing are achieved by driving the fan.
The device can significantly improve the quality of the ingredients after thawing, reduce the complexity of the thawing operation, and the storage is not required to be replaced in the quick freezing and thawing process.
Smart Images
Figure CN222938080U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household appliances, and particularly relates to a refrigeration device. Background Art
[0002] During the storage process of food ingredients, it is necessary to freeze them to maintain their quality and prevent spoilage. The frozen food ingredients need to be thawed before processing or consumption. Specifically, during the freezing process, the longer the time that the food ingredients stay in the temperature range corresponding to the ice crystal formation zone, the easier it is for the cell membranes of the food ingredients to be punctured by ice crystals, resulting in the loss of juice from the thawed food ingredients. During the thawing process, taking the use of a microwave device for thawing as an example, there is a problem of uneven thawing, and during use, the user needs to take out the food ingredients to be thawed and move them into the microwave device, resulting in an increase in the complexity of the operation. Summary of the Utility Model
[0003] The utility model aims to at least improve the quality of the stored food ingredients after thawing to a certain extent, and at least reduce the complexity of the thawing operation to a certain extent.
[0004] To achieve the above object, the utility model provides a refrigeration device, including: a box body, an evaporator, a variable temperature device, and a driving fan; the interior of the box body is partitioned into a storage compartment and an air duct compartment, and the air duct compartment has a cold circulation inlet and a cold circulation outlet; the evaporator is accommodated in the air duct compartment;
[0005] The variable temperature device is accommodated in the storage compartment; the variable temperature device includes a shielding cylinder body, a shielding door body, a radio frequency generating device, and a radio frequency transmitting component. The interior of the shielding cylinder body is partitioned into a mutually isolated variable temperature chamber and an installation chamber. The front side of the variable temperature chamber has an opening, and the shielding door body can open and close the opening; an air inlet and an air return opening are provided on the chamber wall of the variable temperature chamber; the air inlet is communicated with the cold circulation outlet, and the air return opening is communicated with the cold circulation inlet; the radio frequency generating device is arranged in the installation chamber and controllably provides power for the radio frequency transmitting component arranged in the variable temperature chamber. The radio frequency transmitting component is used to radiate radio frequency energy into the variable temperature chamber so that the stored items in the variable temperature chamber are thawed;
[0006] The driving fan controllably drives air to flow between the variable temperature chamber and the air duct compartment, so that the stored items can reach the quick-freezing temperature.
[0007] By providing a refrigeration device including a variable temperature device in the utility model, the interior of the shielding cylinder body of the variable temperature device is partitioned into a variable temperature chamber and an installation chamber. The driving fan can drive air to flow between the variable temperature chamber and the air duct compartment to deliver cold air to the variable temperature chamber, so that the stored items in the variable temperature chamber can be quickly frozen. At the same time, a radio frequency generating device is arranged in the installation chamber, and a radio frequency transmitting component is arranged in the variable temperature chamber. When the radio frequency generating device and the radio frequency transmitting component work, the stored items in the variable temperature chamber at the quick-freezing temperature can be thawed.
[0008] In this way, the stored items placed in the variable-temperature chamber can be quickly frozen and then thawed by radio frequency. Both the freezing process and the thawing process are optimized, so the quality of the stored items after thawing can be greatly improved. Moreover, the stored items placed in the variable-temperature chamber do not need to be repositioned from quick freezing to thawing, which can reduce the complexity of the thawing operation.
[0009] In addition, according to the above refrigeration device of the present utility model, the following additional technical features may also be provided:
[0010] According to an embodiment of the present utility model, the air duct compartment is located at the rear side of the storage compartment, and the installation chamber is located at the rear side of the variable-temperature chamber; the air inlet is communicated with the cold cycle outlet through the air inlet channel, and the air return port is communicated with the cold cycle inlet through the air return channel. Both the air inlet channel and the air return channel are located outside the installation chamber.
[0011] According to an embodiment of the present utility model, at least one of the air inlet channel and the air return channel is formed on the shielding cylinder; alternatively, the variable-temperature device further includes an air duct housing, the air duct housing is connected to the shielding cylinder, and at least one of the air inlet channel and the air return channel is defined by the air duct housing.
[0012] According to an embodiment of the present utility model, the variable-temperature chamber has a top surface, a bottom surface, and two opposite side surfaces located between the top surface and the bottom surface. The air inlet is provided near the connection of the top surface and one of the side surfaces, and the air return port is provided near the connection of the bottom surface and the other side surface.
[0013] According to an embodiment of the present utility model, the air inlet is provided on the top surface of the variable-temperature chamber, and the air inlet channel is located above the variable-temperature chamber; and / or, the air return port is provided on the bottom surface of the variable-temperature chamber, and the air return channel is located below the variable-temperature chamber; the cold cycle outlet is located above the cold cycle inlet.
[0014] According to an embodiment of the present utility model, the air inlet is provided near the front side of the variable-temperature chamber, and the air return port is provided near the rear side of the variable-temperature chamber; and / or, the variable-temperature device further includes a drawer, the drawer is movably arranged in the variable-temperature chamber, and the drawer door of the drawer serves as the shielding door body.
[0015] According to an embodiment of the present utility model, a plurality of air inlets and a plurality of air return ports are arranged in an array on the chamber wall of the variable-temperature chamber, and the hole diameters of both the air inlets and the air return ports are not greater than 5 mm.
[0016] According to an embodiment of the present utility model, the plurality of air inlets form an air inlet area, and the plurality of air inlets in the air inlet area are evenly distributed. The minimum vertical distance between any two adjacent air inlets is greater than 0 mm and less than or equal to 3 mm.
[0017] According to an embodiment of the present utility model, a plurality of air return openings form an air return area, and the plurality of air return openings in the air return area are evenly distributed, and the minimum vertical distance between any two adjacent air return openings is greater than 0 mm and less than or equal to 3 mm.
[0018] According to an embodiment of the present utility model, the refrigeration device further includes an air duct cover plate disposed in the box body, and the air duct cover plate and the rear wall of the box body jointly define an air duct compartment, and both the cold cycle inlet and the cold cycle outlet are disposed on the air duct cover plate.
[0019] According to an embodiment of the present utility model, the driving fan is disposed at the air return opening.
[0020] According to an embodiment of the present utility model, the storage compartment includes at least one refrigerating compartment, and the variable temperature chamber and at least one refrigerating compartment are arranged in sequence in the vertical direction;
[0021] The variable temperature chamber and an adjacent refrigerating compartment are refrigerated by the same evaporator; alternatively, there are a plurality of evaporators, and the variable temperature chamber and an adjacent refrigerating compartment are refrigerated by two evaporators respectively;
[0022] The refrigeration device further includes a circulation fan, and the circulation fan controllably sends the air heat-exchanged with the evaporator in the air duct compartment into the refrigerating compartment, so that the stored items in the refrigerating compartment can reach a preset preservation temperature, and the preset preservation temperature is greater than the quick-freezing temperature. Description of the Drawings
[0023] By reading the following detailed description of the preferred embodiments, various other advantages and benefits will become clear to those of ordinary skill in the art. The drawings are only for the purpose of showing the preferred embodiments and are not considered to be a limitation of the present utility model. Moreover, throughout the drawings, the same reference numerals are used to represent the same components. In the drawings:
[0024] Figure 1 Schematically shows a vertical cross-sectional view of a refrigerator according to an embodiment of the present disclosure;
[0025] Figure 2 For Figure 1 A three-dimensional schematic view of the shielding cylinder of the variable temperature device shown in
[0026] Figure 3 For Figure 1 A vertical cross-sectional view of the variable temperature device part of the refrigerator shown in
[0027] Figure 4 For Figure 1 A cross-sectional view of the refrigerator shown in in the top view direction when the driving fan is running;
[0028] Figure 5 ForFigure 1 Schematic cross-sectional view of the refrigerator shown in FIG. when the fan is running, in a top-down direction;
[0029] Figure 6 is Figure 1 Front view of the air duct cover shown in FIG.
[0030] Among them, the reference numerals are as follows:
[0031] 100, refrigeration equipment;
[0032] 10, box body; 11, air duct cover; 111, hot cycle inlet; 112, hot cycle outlet; 113, cold cycle inlet; 114, cold cycle outlet; 115, gap;
[0033] 20, refrigeration system; 21, compressor; 22, evaporator;
[0034] 30, foam layer;
[0035] 40, variable temperature device; 41, shielding cylinder; 411, partition; 412, air inlet; 413, air return port; 414, outflow hole; 415, return hole; 416, air inlet channel; 417, air return channel; 42, radio frequency generating device; 421, power supply; 422, inductor; 43, radio frequency transmitting component; 44, shielding door body; 441, foaming layer; 45, drawer;
[0036] 50, driving fan;
[0037] 60, fan;
[0038] A1, storage compartment; A11, refrigerated compartment; A2, air duct compartment; A3, compressor compartment;
[0039] P1, variable temperature chamber; P11, top surface; P12, bottom surface; P13, side surface; P2, installation chamber; P21, first side wall; P22, second side wall; P23, rear wall. Detailed implementation manners
[0040] Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be completely conveyed to those skilled in the art.
[0041] It should be understood that the terms used herein are for the purpose of describing particular example embodiments only and are not intended to be limiting. Unless the context clearly dictates otherwise, the singular forms "a", "an", and "the" as used herein may also include the plural forms. The terms "comprising", "including", "containing", and "having" are inclusive and thus specify the presence of the stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring them to be performed in the particular order described or illustrated, unless an execution order is explicitly stated. It should also be understood that additional or alternative steps may be used.
[0042] Although the terms first, second, third, etc. may be used herein to describe multiple elements, components, regions, layers, and / or sections, these elements, components, regions, layers, and / or sections should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or section from another. Unless the context clearly dictates otherwise, terms such as "first", "second", and other numerical terms do not imply an order or sequence when used herein. Thus, the first element, component, region, layer, or section discussed below may be referred to as the second element, component, region, layer, or section without departing from the teachings of the example embodiments.
[0043] For ease of description, spatial relative relationship terms may be used herein to describe the relationship of one element or feature shown in the figures to another element or feature, such as "inside", "outside", "inner side", "outer side", "below", "beneath", "above", "over", etc. Such spatial relative relationship terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped, an element described as "below" or "beneath" another element or feature will then be oriented "above" or "over" the other element or feature. Thus, the example term "below" can include both the upper and lower orientations.
[0044] An embodiment of the present disclosure provides a refrigeration device 100 for suppressing the growth of bacteria by creating a low-temperature environment so that stored items can be well preserved. The stored items are not limited to food ingredients and can also be ice cubes, beverages, etc. Figure 1 A schematic vertical cross-sectional view of a refrigerator according to an embodiment of the present disclosure is schematically shown. Please refer to Figure 1, The refrigeration device 100 can be a refrigerator, a freezer or a wine cabinet. In the following, the refrigerator is taken as an example to introduce the refrigeration device 100 of this embodiment in detail. For the convenience of understanding, in the respective drawings of the embodiments of the present disclosure, the X-axis, Y-axis, and Z-axis directions respectively represent the left-right direction, front-back direction, and height direction (also referred to as the vertical direction) of the refrigerator.
[0045] As Figure 1 shown, the refrigeration device 100 includes a cabinet 10 and a refrigeration system 20. The interior of the cabinet 10 is partitioned to form a storage compartment A1 and an air duct compartment A2. The storage compartment A1 includes at least one refrigerated compartment A11.
[0046] The refrigeration system 20 includes a compressor 21, an evaporator 22, a condenser, and a throttling device (not shown in the figure). The exhaust port of the compressor 21 is connected to the condenser, the outlet pipe of the condenser is connected to the evaporator 22, the evaporator 22 is connected to the inlet of the compressor 21 through a return pipe, and the throttling device is arranged between the condenser and the evaporator 22. Exemplarily, a compressor chamber A3 may also be formed inside the cabinet 10, and the compressor 21 may be housed in the compressor chamber A3. The evaporator 22 is housed in the air duct compartment A2. Among them, the throttling device can be any one of a capillary tube, an electronic expansion valve, and a throttle valve.
[0047] The refrigeration device 100 further includes a circulation fan (not shown in the figure). The circulation fan controllably sends the air that has exchanged heat with the evaporator 22 in the air duct compartment A2 into the refrigerated compartment A11, so that the stored items in the refrigerated compartment A11 can reach a preset preservation temperature.
[0048] Figure 2 For Figure 1 the three-dimensional schematic diagram of the shielding cylinder of the temperature-changing device shown in. Please refer to Figure 1 and Figure 2 , the refrigeration device 100 further includes a temperature-changing device 40, and the temperature-changing device 40 is housed in the storage compartment A1. The temperature-changing device 40 includes a shielding cylinder 41 and a shielding door 44. The interior of the shielding cylinder 41 is partitioned into a temperature-changing chamber P1 and an installation chamber P2 that are isolated from each other. "Isolated" means that the temperature-changing chamber P1 and the installation chamber P2 are not connected, and the air in the temperature-changing chamber P1 and the air in the installation chamber P2 cannot flow into each other. The temperature-changing chamber P1 and at least one refrigerated compartment A11 are arranged in sequence in the vertical direction. The temperature-changing chamber P1 is used to house stored items. The front side of the temperature-changing chamber P1 has an opening, and the shielding door 44 is used to open and close the opening. When the opening is in the open state, the user can conveniently store the stored items into the temperature-changing chamber P1 from the opening. When the opening is in the closed state, the internal space of the shielding cylinder 41 can be isolated from the external environment of the refrigeration device 100. Among them, the front side refers to the side of the refrigeration device 100 facing the user in the Y-axis direction. On the contrary, the rear side refers to the side of the refrigeration device 100 facing away from the user in the Y-axis direction.
[0049] The variable temperature device 40 further includes a radio frequency generating device 42 and a radio frequency transmitting component 43 that are electrically connected. The radio frequency generating device 42 is disposed in the installation chamber P2, and the radio frequency transmitting component 43 is disposed in the variable temperature chamber P1. The radio frequency generating device 42 provides radio frequency power for the radio frequency transmitting component 43, and the radio frequency transmitting component 43 receives the radio frequency power and is used to emit radio frequency energy to irradiate the stored items in the variable temperature chamber P1, so as to be able to thaw the stored items.
[0050] Among them, the radio frequency generating device 42 can specifically be implemented to include an inductor 422, a power supply 421, a power amplifier module, and a control module that are electrically connected. The radio frequency transmitting component 43 can be implemented as a plate electrode, and the plate electrode is electrically connected to the inductor 422. The power supply 421 is used to supply power to the power amplifier module, the control module, and the inductor 422. The control module is configured to be able to control the working states of the power supply 421 and the power amplifier module, and the power amplifier module is used to generate radio frequency power. After receiving the radio frequency power, the plate electrode radiates radio frequency energy into the variable temperature chamber P1, so that the stored items accommodated in the variable temperature chamber P1 are thawed. It should be noted that when the opening is in the closed state, the shielding cylinder 41 and the shielding door 44 can shield the radio frequency energy, so as to reduce the possibility of radio frequency energy leaking outside the shielding cylinder 41.
[0051] Among them, the shielding cylinder 41 and the shielding door 44 can be made of metal materials, for example, to be able to shield radio frequency energy. Further, a foaming layer 441 can be provided inside the shielding door 44, so that while the shielding door 44 can shield radio frequency energy, it can also reduce the loss of cold quantity and play a heat preservation role.
[0052] In some embodiments of the present disclosure, a foam layer 30 can also be provided outside the box body 10, so as to reduce the loss of cold quantity and improve the refrigeration efficiency.
[0053] Figure 3 For Figure 1 a schematic vertical cross-sectional view of the variable temperature device part of the refrigerator shown in Figure 4 For Figure 1 a schematic top-down cross-sectional view of the refrigerator shown in Figure 3 and Figure 4 shown, the air duct compartment A2 can have a cold cycle inlet 113 and a cold cycle outlet 114. An air inlet 412 and an air return port 413 are provided on the chamber wall of the variable temperature chamber P1. The air inlet 412 is communicated with the cold cycle outlet 114, and the air return port 413 is communicated with the cold cycle inlet 113.
[0054] Moreover, the refrigeration device 100 further includes a driving fan 50 configured to controllably drive air to flow between the variable temperature chamber P1 and the air duct intermediate chamber A2, so that the stored items can reach the quick-freezing temperature. The quick-freezing temperature is lower than the preset preservation temperature, and the value range of the quick-freezing temperature is, for example, -38°C or -42°C.
[0055] It can be understood that the air return port 413, the cold cycle inlet 113, the air duct intermediate chamber A2, the cold cycle outlet 114, the air inlet 412, and the variable temperature chamber P1 are sequentially connected to form a cold cycle flow path. When the driving fan 50 operates, the air in the variable temperature chamber P1 flows out from the air return port 413, then flows into the air duct intermediate chamber A2 through the cold cycle inlet 113 and exchanges heat with the evaporator 22. The cooled air flows out of the air duct intermediate chamber A2 from the cold cycle outlet 114, and then flows into the variable temperature chamber P1 through the air inlet 412 and exchanges heat with the stored items, reducing the temperature of the stored items. The air that has exchanged heat with the stored items flows out from the air return port 413 again, thus starting the next cycle. Repeating this process, the stored items in the variable temperature chamber P1 can ultimately reach the quick-freezing temperature. The flow direction of the air along the cold cycle flow path is shown by the solid arrows in Figure 4 the figure.
[0056] An exemplary working process of the refrigerator according to the embodiment of the present disclosure during use is as follows:
[0057] After placing the stored items in the variable temperature chamber P1, the refrigeration system 20 and the driving fan 50 operate. At the same time, the radio frequency generating device 42 does not operate. Driven by the driving fan 50, the air in the variable temperature chamber P1 flows along the cold cycle flow path, enabling the stored items to reach the quick-freezing temperature. Then, the refrigeration system 20 and the driving fan 50 stop operating.
[0058] When the user needs to process or consume the stored items, the driving fan 50 does not operate, and the radio frequency generating device 42 operates. The radio frequency transmitting assembly 43 emits radio frequency energy and irradiates it into the variable temperature chamber P1, thawing the stored items in the variable temperature chamber P1 that are at the quick-freezing temperature. Then, the radio frequency generating device 42 stops operating, and the user can take out the thawed stored items.
[0059] Combined with the content described above, in this embodiment, by providing that the refrigeration device 100 includes a variable temperature device 40, the interior of the shielding cylinder 41 of the variable temperature device 40 is partitioned into a variable temperature chamber P1 and an installation chamber P2. The driving fan 50 can drive air to flow between the variable temperature chamber P1 and the air duct intermediate chamber A2 to deliver cold to the variable temperature chamber P1, enabling the stored items in the variable temperature chamber P1 to be quickly frozen. At the same time, a radio frequency generating device 42 is provided in the installation chamber P2, and a radio frequency transmitting assembly 43 is provided in the variable temperature chamber P1. When the radio frequency generating device 42 and the radio frequency transmitting assembly 43 operate, they can thaw the stored items in the variable temperature chamber P1 that are at the quick-freezing temperature.
[0060] In summary, by adjusting the working states of the driving fan 50 and the radio frequency generating device 42, the stored items in the variable temperature chamber P1 can be quickly frozen or radio frequency thawed. That is to say, the variable temperature device 40 integrates a quick freezing function and a radio frequency thawing function, and the quick freezing function and the radio frequency thawing function can be switched according to the user's usage requirements. In this way, the stored items placed in the variable temperature chamber P1 can be quickly frozen and then radio frequency thawed. During the quick freezing process, the temperature of the stored items can quickly pass through the ice crystal formation zone, and the heat is evenly distributed during the radio frequency thawing process. It can be seen that both the freezing process and the thawing process are optimized, so the quality of the stored items after thawing can be greatly improved.
[0061] Moreover, both the quick freezing process and the thawing process of the stored items are realized in the variable temperature chamber P1. That is to say, the stored items placed in the variable temperature chamber P1 do not need to be repositioned from quick freezing storage to thawing. In the actual application process, the user stores the stored items in the variable temperature chamber P1. After the stored items are quickly frozen and stored for a period of time, the user can directly take out the thawed stored items from the variable temperature chamber P1 for processing or consumption, without taking out the stored items at the quick freezing temperature for thawing. In this way, the complexity of the operation can be avoided from increasing.
[0062] It is also worth pointing out that since the variable temperature chamber P1 and the installation chamber P2 are isolated from each other, the air in the variable temperature chamber P1 will not flow into the installation chamber P2. Coupled with the fact that the temperature in the variable temperature chamber P1 can be adjusted to the quick freezing temperature, the cold air in the variable temperature chamber P1 can be reduced or even avoided from entering the installation chamber P2. On the one hand, it can reduce the risk that the temperature of the installation chamber P2 is too low and causes the radio frequency generating device 42 to malfunction. On the other hand, this can reduce the possibility of the cold air coming into contact with the heat loss energy of the radio frequency generating device 42 itself during operation, so as to reduce the risk of short circuit of the power supply 421 of the radio frequency generating device 42 caused by the generation of water vapor, and enable the radio frequency generating device 42 to operate reliably.
[0063] Figure 5 For Figure 1 a schematic cross-sectional view of the refrigerator shown in the top view direction when the fan is running. In some embodiments of the present disclosure, please refer to Figure 3 and Figure 5 shown, the air duct compartment A2 may also have a heat circulation inlet 111 and a heat circulation outlet 112. An outflow hole 414 and a return hole 415 are provided on the chamber wall of the installation chamber P2. The outflow hole 414 is communicated with the heat circulation inlet 111, and the heat circulation outlet 112 is communicated with the return hole 415.
[0064] Moreover, the refrigeration device 100 further includes a fan 60 configured to drive air to flow between the installation chamber P2 and the air duct chamber A2. It can be understood that the outflow hole 414, the heat circulation inlet 111, the air duct chamber A2, the heat circulation outlet 112, the return hole 415, and the installation chamber P2 are connected in sequence to form a heat circulation flow path.
[0065] When one of the driving fan 50 and the radio frequency generating device 42 operates, the other stops operating. That is to say, the driving fan 50 and the radio frequency generating device 42 do not operate simultaneously, so that the air duct chamber A2 is not simultaneously communicated with the variable temperature chamber P1 and the installation chamber P2. During the quick-freezing process, the driving fan 50 operates, and the air duct chamber A2 is communicated with the variable temperature chamber P1 to deliver cold to the variable temperature chamber P1. During the thawing process, the fan 60 and the radio frequency generating device 42 operate, and the air duct chamber A2 is communicated with the installation chamber P2 to deliver heat to the air duct chamber A2.
[0066] Specifically, there is heat loss when the radio frequency generating device 42 works. When the fan 60 operates, it can drive the air in the installation chamber P2 to carry heat and flow out from the outflow hole 414, and then flow into the air duct chamber A2 through the heat circulation inlet 111 to exchange heat with the evaporator 22. The air after heat exchange then flows out of the air duct chamber A2 from the heat circulation outlet 112, and then enters the installation chamber P2 through the return hole 415. The air carrying heat flows out from the outflow hole 414 again, thus starting the next cycle. Among them, the flow direction of the air along the heat circulation flow path is shown by the dotted arrow in Figure 5 which is shown by the dotted arrow.
[0067] In this embodiment, when the user needs to thaw the stored items in the variable temperature chamber P1 for processing or eating, the driving fan 50 stops operating, and the radio frequency generating device 42 and the fan 60 work simultaneously. The radio frequency emitting component 43 emits radio frequency energy and radiates it to the stored items in the variable temperature chamber P1 for absorption. The air in the installation chamber P2 flows along the heat circulation flow path until the stored items are thawed.
[0068] By setting the fan 60 and designing the installation chamber P2 to be communicated with the air duct chamber A2 to form a heat circulation flow path, on the basis that the variable temperature device 40 integrates the quick-freezing function and the radio frequency thawing function, the energy of the heat loss of the radio frequency generating device 42 itself during operation can be utilized to defrost the evaporator 22, and the heat transferred to the refrigeration compartment A11 adjacent to the variable temperature device 40 can also be reduced.
[0069] Figure 6 For Figure 1 the front view of the air duct cover shown in. In some embodiments of the present disclosure, please refer to Figure 1 and Figure 3As shown, the refrigeration device 100 further includes an air duct cover plate 11 disposed in the box body 10. The air duct cover plate 11 divides the interior of the box body 10 into a storage compartment A1 and an air duct compartment A2. The air duct compartment A2 is located at the rear side of the storage compartment A1. In other words, the air duct cover plate 11 and the rear plate of the box body 10 jointly define the air duct compartment A2, and the rear wall of the storage compartment A1 is the air duct cover plate 11.
[0070] It can be understood that as Figure 6 shown, the heat circulation inlet 111, the heat circulation outlet 112, the cold circulation inlet 113, and the cold circulation outlet 114 are all disposed through the air duct cover plate 11. Among them, the shapes of the heat circulation inlet 111, the heat circulation outlet 112, the cold circulation inlet 113, and the cold circulation outlet 114 are not specifically limited.
[0071] In this article, the positional relationship between the variable temperature chamber P1 and the installation chamber P2 is diverse. The variable temperature chamber P1 and the installation chamber P2 can be sequentially arranged along any one of the X-axis direction, the Y-axis direction, and the Z-axis direction. Several possible implementation manners will be described separately below.
[0072] In the embodiment where the variable temperature chamber P1 and the installation chamber P2 are sequentially arranged along the X-axis direction, the variable temperature chamber P1 can be disposed, for example, on the left side or the right side of the installation chamber P2.
[0073] In the embodiment where the variable temperature chamber P1 and the installation chamber P2 are sequentially arranged along the Z-axis direction, the variable temperature chamber P1 can be disposed, for example, above the installation chamber P2, or can also be disposed, for example, below the installation chamber P2.
[0074] In the technical solution where the variable temperature chamber P1 and the installation chamber P2 are sequentially arranged along the X-axis direction / Z-axis direction, the rear side of the shielding cylinder 41 can be in contact with the air duct cover plate 11. The air inlet 412, the air return port 413, the outflow hole 414, and the return hole 415 are all disposed through the rear side plate of the shielding cylinder 41. The air inlet 412 is directly opposite to the cold circulation outlet 114, the air return port 413 is directly opposite to the cold circulation inlet 113, the outflow hole 414 is directly opposite to the heat circulation inlet 111, and the return hole 415 is directly opposite to the heat circulation outlet 112.
[0075] In the embodiment where the variable temperature chamber P1 and the installation chamber P2 are sequentially arranged along the Y-axis direction, as Figure 1 and Figure 2 shown, the installation chamber P2 is located at the rear side of the variable temperature chamber P1. In this embodiment, the installation chamber P2 is designed to be located between the variable temperature chamber P1 and the air duct compartment A2, so that the front opening of the shielding cylinder 41 will not be occupied by the installation chamber P2. That is, compared with the scheme where the variable temperature chamber P1 and the installation chamber P2 are sequentially arranged along the X-axis direction / Z-axis direction, under the condition that other parameter dimensions are the same, the opening of this embodiment can be larger, and users can more conveniently put storage items into the variable temperature chamber P1.
[0076] Taking the installation chamber P2 being located at the rear side of the temperature-changing chamber P1 as an example, as Figure 2 shown, a partition 411 can be provided in the shielding cylinder 41, for example. The partition 411 is erected and divides the interior of the shielding cylinder 41 into an installation chamber P2 and a temperature-changing chamber P1. Optionally, the partition 411 can be made of a metal material. In this way, the shielding cylinder 41, the shielding door 44 and the partition 411 can shield the radio frequency energy, to a certain extent, making the radio frequency energy be restricted within the temperature-changing chamber P1 and difficult to leak to the installation chamber P2 to cause magnetic interference to the power amplifier module, so as to facilitate the normal operation of the radio frequency generating device 42 and ensure the effectiveness of the radio frequency thawing function.
[0077] Alternatively, the shielding cylinder 41 can also include a connected sub-cylinder structure and a box structure. Along the Y-axis direction, the box structure is located at the rear side of the sub-cylinder structure. Here, the space enclosed by the inner surface of the sub-cylinder structure is the temperature-changing chamber P1, and the internal space of the box structure is the installation chamber P2. Among them, as Figure 2 shown, the cross-sectional shape of the shielding cylinder 41 along the XZ plane can be rectangular, for example, to adapt to the box body 10. The cross-sectional dimension of the temperature-changing chamber P1 along the XZ plane and the cross-sectional dimension of the installation chamber P2 along the XZ plane can be the same, as Figure 2 shown; or, they can also be different.
[0078] According to the different positions of the outflow hole 414 and the return hole 415, the positions of the heat circulation inlet 111 and the heat circulation outlet 112 can also be different, as long as the installation chamber P2 and the air duct intermediate chamber A2 can be connected to form a heat circulation loop. The rectangular installation chamber P2 includes a rear wall P23, a top wall and a bottom wall oppositely arranged along the Z-axis direction, and a first side wall P21 and a second side wall P22 oppositely arranged along the Y-axis direction.
[0079] In some possible ways, the rear wall P23 of the installation chamber P2 can be attached to the air duct cover plate 11, and both the outflow hole 414 and the return hole 415 can penetrate through the rear wall P23 of the installation chamber P2.
[0080] In some possible ways, the outflow hole 414 and the return hole 415 are respectively arranged on two mutually perpendicular surfaces of the installation chamber P2, that is, the center lines of the outflow hole 414 and the return hole 415 are perpendicular. Thus, the direction of the air flowing out of the installation chamber P2 and the direction of the air flowing into the installation chamber P2 are perpendicular, so that the air needs to change direction and flow to the outflow hole 414 after flowing into the installation chamber P2. This is beneficial to promoting the air that has exchanged heat with the evaporator 22 to fully contact the radio frequency generating device 42 after flowing back to the installation chamber P2, so as to be able to carry more heat into the air duct intermediate chamber A2 during the next cycle of flow.
[0081] For example, the outflow hole 414 can be provided on the rear wall P23 of the installation chamber P2, and the return hole 415 can be provided on the bottom wall / top wall of the installation chamber P2.
[0082] For another example, please refer to Figure 2 and Figure 5 As shown, the dimension of the installation chamber P2 in the X-axis direction can be smaller than that of the temperature-changing chamber P1 in the X-axis direction. The first side wall P21 is opposite to the side plate of the box body 10 and there is a gap 115. The outflow hole 414 can be provided on the rear wall P23 of the installation chamber P2 and is arranged opposite to the heat circulation inlet 111. The return hole 415 is provided on the first side wall P21, and the heat circulation outlet 112 is opposite to the gap 115. In this way, the air flowing out from the heat circulation outlet 112 flows into the gap 115, and then enters the installation chamber P2 from the return hole 415.
[0083] In this example, on the premise of ensuring that the center lines of the outflow hole 414 and the return hole 415 are perpendicular, by providing a gap 115 between the first side wall P21 and the side plate of the box body 10, the heat circulation outlet 112 and the return hole 415 are reliably connected by using the gap 115.
[0084] Please continue to refer to Figure 2 , the outflow hole 414 can be provided close to the second side wall P22. In this way, it is beneficial to extend the flow path of the air flowing out from the installation chamber P2 in the air duct compartment A2, so that the air carrying the heat loss energy of the radio frequency generating device 42 itself can flow through both ends of the evaporator 22 in the X-axis direction as much as possible, which is beneficial to defrosting the entire evaporator 22.
[0085] In some embodiments of the present disclosure, the outflow hole 414 is located above the return hole 415. Correspondingly, the heat circulation inlet 111 is located above the heat circulation outlet 112.
[0086] It is easy to understand that hot air will flow upward due to volume expansion and small air density. In this embodiment, the outflow hole 414 is designed to be located above the return hole 415, so that the air carrying heat is more likely to flow to the outflow hole 414, which is beneficial to promoting the reliable inflow of the air carrying heat into the air duct compartment A2 to defrost the evaporator 22.
[0087] In the embodiment where the installation chamber P2 is located behind the temperature-changing chamber P1, since the temperature-changing chamber P1 is farther from the air duct compartment A2 than the installation chamber P2, in order to enable the temperature-changing chamber P1 and the air duct compartment A2 to be connected to form a cold circulation flow path, the air inlet 412 is connected to the cold circulation outlet 114 through the air inlet channel 416, and the air return port 413 is connected to the cold circulation inlet 113 through the air return channel 417. Moreover, both the air inlet channel 416 and the air return channel 417 are located outside the installation chamber P2.
[0088] By arranging both the air inlet channel 416 and the air return channel 417 outside the installation chamber P2, it is difficult for cold air to enter the installation chamber P2 through the air inlet channel 416 and the air return channel 417, thereby reducing the risk that the radio frequency generating device 42 cannot operate properly due to the excessively low temperature of the installation chamber P2. It should also be noted that when the refrigeration device 100 has both a cold circulation flow path and a heat circulation flow path, since the variable temperature chamber P1, the air inlet channel 416, and the air return channel 417 are all isolated from the installation chamber P2, the possibility that the air flowing along the cold circulation flow path leaks into the heat circulation flow path can be reduced.
[0089] In the refrigeration device 100 disclosed herein, the air inlet channel 416 and the air return channel 417 can be directly formed on the shielding cylinder 41, or can be defined by a duct housing. Here, taking the formation method of the air inlet channel 416 as an example for detailed introduction, the formation method of the air return channel 417 can refer to the formation method of the air inlet channel 416, and this embodiment will not elaborate herein.
[0090] As an alternative, the air inlet channel 416 can be implemented as being opened in the wall of the shielding cylinder 41, that is, between the inner wall surface and the outer wall surface of the wall. The air inlet end of the air inlet channel 416 penetrates the rear surface of the variable temperature chamber P1 to align and connect with the cold circulation inlet 113 on the air duct cover 11, and the air outlet end of the air inlet channel 416 extends to the air inlet 412. With this design, the air inlet channel 416 does not additionally occupy the space of the storage chamber A1.
[0091] As another alternative, the variable temperature device 40 can also include a duct housing, and the air inlet channel 416 can be implemented as being defined by the duct housing, and the duct housing is fixedly connected to the shielding cylinder 41. The duct housing can be arranged outside the shielding cylinder 41. Among them, the duct housing can be a cylindrical structure, and the space surrounded by the inner surface of the duct housing is the air inlet channel 416. Of course, the duct housing can also be implemented as a plate-like structure, and the plate-like duct housing and the outer surface of the shielding cylinder 41 jointly enclose to form the air inlet channel 416.
[0092] Compared with machining the air inlet channel 416 in the wall of the shielding cylinder 41 by machining, in this embodiment, the duct housing can be machined first and then connected to the shielding cylinder 41, which can reduce the processing difficulty.
[0093] Among them, the duct housing can be connected to the shielding cylinder 41 by bonding, screwing, welding, etc. Or, the duct housing and the shielding cylinder 41 can also be formed into an integral part by an integral molding process, which can save the assembly process of the duct housing and the shielding cylinder 41, and can also improve the structural strength of the shielding cylinder 41 without increasing the cost.
[0094] It is easy to understand that the positions and extending directions of the air inlet channel 416 and the air return channel 417 depend on the different positions of the air inlet 412, the air return outlet 413, the cold cycle inlet 113, and the cold cycle outlet 114. As long as the variable temperature chamber P1 and the air duct chamber A2 can be connected to form a cold cycle loop. In some embodiments of the present disclosure, please continue to refer to Figure 2 , the variable temperature chamber P1 has two side surfaces P13 oppositely arranged along the X-axis direction, a top surface P11 and a bottom surface P12 oppositely arranged along the Z-axis direction. One end of the top surface P11 and the bottom surface P12 is connected to one of the side surfaces P13, and the other end of the top surface P11 and the bottom surface P12 is connected to the other side surface P13. And, the air inlet 412 is arranged near the connection of the top surface P11 and one of the side surfaces P13, and the air return outlet 413 is arranged near the connection of the bottom surface P12 and the other side surface P13.
[0095] Driven by the driving fan 50, the cold air after exchanging heat with the evaporator 22 enters the variable temperature chamber P1 from the air inlet 412. It can be understood that the cold air with a large air density will flow downward. From this, it can be known that the air inlet 412 is closer to the top of the variable temperature chamber P1 than the air return outlet 413, and the air return outlet 413 is closer to the bottom of the variable temperature chamber P1 than the air inlet 412, that is, the air inlet 412 is located above the air return outlet 413, so that the cold air entering the variable temperature chamber P1 can easily flow to the air return outlet 413.
[0096] At the same time, since the air inlet 412 is located near one of the side surfaces P13 and the air return outlet 413 is located near the other side surface P13, the air inlet 412 and the air return outlet 413 are respectively close to both sides of the variable temperature chamber P1, which is beneficial to extending the flow path of the cold air in the variable temperature chamber P1 along the X-axis direction and is beneficial to promoting the cold air to be in full contact with the stored items.
[0097] Among them, the cold cycle outlet 114 and the cold cycle inlet 113 can also be respectively arranged near the two side plates of the box body 10 correspondingly, so that after the air exchanged heat with the stored items flows back to the air duct chamber A2, the flow path of the air flowing from the cold cycle inlet 113 to the cold cycle outlet 114 in the X-axis direction is large, which is beneficial to promoting the air to exchange heat with the evaporator 22 fully for refrigeration.
[0098] Among them, the air inlet 412 can be arranged on the side surface P13 of the variable temperature chamber P1 and close to the top surface P11, or it can also be arranged on the top surface P11 of the variable temperature chamber P1. Similarly, the air return outlet 413 can be arranged on the side surface P13 of the variable temperature chamber P1 and close to the bottom surface P12, or it can also be arranged on the bottom surface P12 of the variable temperature chamber P1.
[0099] In a specific embodiment, such as Figure 2As shown, the air inlet 412 can be arranged on the top surface P11 of the variable-temperature chamber P1, and the air return port 413 can be arranged on the bottom surface P12 of the variable-temperature chamber P1. In this example, the cold cycle outlet 114 is located above the cold cycle inlet 113, the air inlet passage 416 is located above the variable-temperature chamber P1, and the air return passage 417 is located below the variable-temperature chamber P1.
[0100] In this way, the center line of the air inlet 412 is parallel to the center line of the air return port 413, and the cold air entering the variable-temperature chamber P1 can easily flow to the air return port 413 as it diffuses downward.
[0101] In some embodiments of the present disclosure, please refer to Figure 1 、 Figure 2 and Figure 3 As shown, the air inlet 412 can be arranged near the front side of the variable-temperature chamber P1, and the air return port 413 is arranged near the rear side of the variable-temperature chamber P1. That is to say, the air inlet 412 is close to the opening of the variable-temperature chamber P1.
[0102] Adopting this design is beneficial to extending the flow path of the cold air in the variable-temperature chamber P1 along the Y-axis direction, and can reduce the possibility that the stored items near the opening cannot be quickly frozen due to being far from the evaporator 22, so that all the stored items in the variable-temperature chamber P1 can be quickly frozen.
[0103] The shapes and sizes of the above-mentioned air inlet 412, air return port 413, outflow hole 414 and return hole 415 are not limited.
[0104] In the refrigeration device 100 disclosed herein, a plurality of air inlets 412 and a plurality of air return ports 413 can be arranged in an array on the chamber wall of the variable-temperature chamber P1, and the hole diameters of the air inlets 412 and the air return ports 413 are not greater than 5 mm. Among them, the air inlets 412 and the air return ports 413 can be arranged in a rectangular array, a circular array or an array of other shapes such as a hexagon.
[0105] That is to say, a plurality of air inlets 412 and a plurality of air return ports 413 are both arranged in multiple rows and multiple columns, that is, both the plurality of air inlets 412 and the plurality of air return ports 413 have multiple row groups and multiple column groups. Among them, the plurality of air inlets 412 in the same row group and the plurality of air return ports 413 in the same row group are arranged at intervals along the first direction, and the plurality of air inlets 412 in the same column group and the plurality of air return ports 413 in the same column group are arranged at intervals along the second direction, and the first direction and the second direction are perpendicular. Among them, any two adjacent row groups can be aligned or staggered, and any two adjacent column groups can be aligned or staggered.
[0106] The hole diameters of the air inlet 412 and the air return port 413 are designed to be less than or equal to 5 mm, so that less RF energy leaks from the air inlet 412 and the air return port 413 to the outside of the variable temperature chamber P1. On this basis, by designing multiple air inlets 412 and air return ports 413, the air inlet volume and the air outlet volume of the variable temperature chamber P1 are increased.
[0107] That is to say, with this design, the RF shielding ability of the variable temperature chamber P1 and the air volume of the cold circulation flow path can be taken into account at the same time, so as to reliably freeze the stored items quickly.
[0108] Further, the multiple air inlets 412 form an air inlet area. The multiple air inlets 412 in the air inlet area can be evenly distributed, and the minimum vertical distance between any two adjacent air inlets 412 can be configured to be greater than 0 mm and less than or equal to 3 mm. Taking the case where the air inlets 412 are arranged in a rectangular array as an example, the vertical distance between the straight lines where the centers of any two adjacent rows of air inlets 412 are located and the vertical distance between the straight lines where the centers of any two adjacent columns of air inlets 412 are located can be greater than 5 mm and less than or equal to 8 mm.
[0109] As an implementable method, the multiple air return ports 413 form an air return area. The multiple air return ports 413 in the air return area can be evenly distributed, and the minimum vertical distance between any two adjacent air return ports 413 can be configured to be greater than 0 mm and less than or equal to 3 mm. That is to say, the vertical distance between the straight lines where the centers of any two adjacent rows of air return ports 413 are located and the vertical distance between the straight lines where the centers of any two adjacent columns of air return ports 413 are located can be greater than 5 mm and less than or equal to 8 mm.
[0110] On the basis that there are multiple air inlets 412 and air return ports 413, through such design, the layout density of the air inlets 412 and the air return ports 413 is small, that is, the air inlets 412 and the air return ports 413 are concentratedly distributed, so that the air flowing through each air inlet 412 and each air return port 413 can converge.
[0111] In the refrigeration device 100 disclosed in this article, a plurality of outflow holes 414 and a plurality of return holes 415 can be arranged in an array on the chamber wall of the installation chamber P2, and the hole diameters of the outflow holes 414 and the return holes 415 are both not greater than 5 mm. Among them, the outflow holes 414 and the return holes 415 can be arranged in a rectangular array, a circular array or an array of other shapes.
[0112] That is to say, the multiple outflow holes 414 and the multiple return holes 415 are both arranged in multiple rows and columns, that is, the multiple outflow holes 414 and the multiple return holes 415 both have multiple row groups and multiple column groups. Among them, the multiple outflow holes 414 in the same row group and the multiple return holes 415 in the same row group are arranged at intervals in the first direction, and the multiple outflow holes 414 in the same column group and the multiple return holes 415 in the same column group are arranged at intervals in the second direction, and the first direction and the second direction are perpendicular. Among them, any two adjacent row groups can be aligned or staggered, and any two adjacent column groups can be aligned or staggered.
[0113] The hole diameters of the outflow holes 414 and the return holes 415 are designed to be less than or equal to 5 mm, so that less RF energy leaks from the outflow holes 414 and the return holes 415 to the outside of the installation chamber P2. On this basis, by designing the outflow holes 414 and the return holes 415 to be multiple, the air volume of the air outlet and the air inlet of the installation chamber P2 is increased.
[0114] That is to say, with this design, the RF shielding ability of the installation chamber P2 and the air volume of the thermal circulation flow path can be taken into account at the same time, so that the evaporator 22 can be defrosted reliably.
[0115] Further, the multiple outflow holes 414 form an outflow area, and the multiple outflow holes 414 in the outflow area can be evenly distributed, and the minimum vertical distance between any two adjacent outflow holes 414 can be configured to be greater than 0 mm and less than or equal to 3 mm. That is to say, the vertical distance between the straight lines where the centers of any two adjacent rows of outflow holes 414 are located and the vertical distance between the straight lines where the centers of any two adjacent columns of outflow holes 414 are located can be greater than 5 mm and less than or equal to 8 mm.
[0116] As a feasible way, the multiple return holes 415 form a return area, and the multiple return holes 415 in the return area can be evenly distributed, and the minimum vertical distance between any two adjacent return holes 415 can be configured to be greater than 0 mm and less than or equal to 3 mm. That is to say, the vertical distance between the straight lines where the centers of any two adjacent rows of return holes 415 are located and the vertical distance between the straight lines where the centers of any two adjacent columns of return holes 415 are located can be greater than 5 mm and less than or equal to 8 mm.
[0117] On the basis that there are multiple outflow holes 414 and return holes 415, with such a design, the layout density of the outflow holes 414 and the return holes 415 is small, that is, the outflow holes 414 and the return holes 415 are concentratedly distributed, so that the air flowing through each outflow hole 414 and each return hole 415 can converge.
[0118] In some embodiments of the present disclosure, please continue to refer to Figure 1 and Figure 3, the variable temperature device 40 may further include a drawer 45, which is movably arranged in the variable temperature chamber P1. Wherein, the drawer 45 can be used to carry storage items. In this example, the drawer door of the drawer 45 can be used as the shielding door body 44.
[0119] The top of the drawer 45 can be open to form an opening. That is to say, the user can apply a pulling force to the drawer 45, so that the drawer 45 is pulled out to be partially located outside the box body 10, then put the storage items into the drawer 45 from the opening, and then apply a pushing force to the drawer 45, so that the drawer 45 moves to the periphery of the drawer door and the opening to cooperate as the shielding door body 44 to close the opening of the variable temperature chamber P1.
[0120] By setting the drawer 45, not only can the opening of the variable temperature chamber P1 be opened and closed by using the drawer door without additionally setting the shielding door body 44, but also because the drawer 45 can be pulled out to be partially located outside the box body 10, the user can conveniently take and place the storage items.
[0121] The installation position of the above-mentioned driving fan 50 is not limited, and it can be set at any position of the cold circulation flow path as long as it can drive the air to flow along the cold circulation flow path. The driving fan 50 can be a negative pressure fan. In some embodiments of the present disclosure, such as Figure 1 and Figure 3 shown, the driving fan 50 can be installed at the air return port 413 for example. With this design, the driving fan 50 is located downstream of the variable temperature chamber P1, minimizing the contact between the driving fan 50 and the cold quantity, so as to reduce the driving fan 50 from being affected by the cold quantity and causing the temperature to be too low to work.
[0122] Similarly, the installation position of the above-mentioned fan 60 is not limited, and it can be set at any position of the heat circulation flow path as long as it can drive the air to flow along the heat circulation flow path. The fan 60 can be a negative pressure fan. In some embodiments of the present disclosure, such as Figure 5 shown, the fan 60 can be set in the installation chamber P2 and at the outflow hole 414 for example.
[0123] In the embodiment where the fan 60 is arranged in the air duct compartment A2, the fan 60 will occupy the space of the air duct compartment A2, and the cold air flowing through the fan 60 after exchanging heat with the evaporator 22. After the refrigeration device 100 operates for a period of time, the fan 60 is prone to being too cold to operate normally. And in this embodiment, by setting the fan 60 in the installation chamber P2, on the one hand, the fan 60 will not occupy the space of the air duct compartment A2, and on the other hand, the possibility of the fan 60 contacting the cold air can be reduced, so as to reduce the probability that the fan 60 is affected by the cold quantity and causes the temperature to be too low to work.
[0124] In any of the above embodiments, the refrigerating compartment A11 can be a refrigerating compartment or a freezing compartment. The value range of the preset preservation temperature of the stored items in the refrigerating compartment can be from 0°C to +8°C, and the value range of the preset preservation temperature of the stored items in the freezing compartment can be from -20°C to -15°C.
[0125] In some embodiments of the present disclosure, there can be multiple refrigerating compartments A11, and at least one of the multiple refrigerating compartments A11 is a refrigerating compartment and at least one is a freezing compartment. That is, the refrigeration device 100 has a variable-temperature chamber P1, a refrigerating compartment, and a freezing compartment at the same time, and the functions of the refrigeration device 100 are rich. Among them, the variable-temperature chamber P1, the refrigerating compartment, and the freezing compartment are arranged in sequence along the Z-axis direction, and the variable-temperature chamber P1 can be located between the refrigerating compartment and the freezing compartment.
[0126] As an implementable way, the variable-temperature chamber P1 and an adjacent refrigerating compartment A11 (such as a refrigerating compartment or a freezing compartment) can be refrigerated by the same evaporator 22.
[0127] When the refrigeration device 100 of this embodiment is working, when both the refrigerating compartment A11 and the variable-temperature chamber P1 need to be refrigerated, the driving fan 50 and the circulation fan operate simultaneously to drive the cold air after heat exchange with the evaporator 22 in the air duct compartment A2 to flow to the refrigerating compartment A11 and the variable-temperature chamber P1. And, the rotation speed of the driving fan 50 can be controlled to be greater than the rotation speed of the circulation fan, so that the amount of cold delivered to the variable-temperature chamber P1 is greater than the amount of cold delivered to the refrigerating compartment A11, so as to enable the stored items in the variable-temperature chamber P1 to reach the quick-freezing temperature while the stored items in the refrigerating compartment A11 can reach the preset preservation temperature.
[0128] As another implementable way, please continue to refer to Figure 1 , there can be multiple evaporators 22, and the variable-temperature chamber P1 and an adjacent refrigerating compartment A11 can be refrigerated by two evaporators 22 respectively.
[0129] Compared with the variable-temperature chamber P1 and an adjacent refrigerating compartment A11 sharing the same evaporator 22, in this embodiment, the variable-temperature chamber P1 and an adjacent refrigerating compartment A11 can be independently refrigerated, which can improve the control accuracy of the temperature of the variable-temperature chamber P1 and an adjacent refrigerating compartment A11.
[0130] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims
1. A refrigeration device, characterized in that: include: The box body is internally divided into a storage compartment and an air duct compartment, wherein the air duct compartment has a cold cycle inlet and a cold cycle outlet; An evaporator is housed in the air duct room; A temperature-changing device is housed in the storage room; the temperature-changing device comprises a shielding cylinder, a shielding door, a radio frequency generating device and a radio frequency transmitting component; the interior of the shielding cylinder is divided into a temperature-changing chamber and an installation chamber which are isolated from each other; the front side of the temperature-changing chamber has an opening, and the shielding door can open and close the opening; an air inlet and an air return port are arranged on the cavity wall of the temperature-changing chamber; the air inlet is connected to the cold cycle outlet, and the air return port is connected to the cold cycle inlet; the radio frequency generating device is arranged in the installation chamber, and can controllably provide power to the radio frequency transmitting component arranged in the temperature-changing chamber, and the radio frequency transmitting component is used to radiate radio frequency energy into the temperature-changing chamber, so that the stored objects in the temperature-changing chamber are thawed; as well as The fan is driven to controllably drive air to flow in the temperature-changing chamber and the air duct compartment, so that the stored objects can reach the quick-freezing temperature.
2. The refrigeration equipment according to claim 1, characterized in that: The air duct compartment is located at the rear side of the storage compartment, and the installation chamber is located at the rear side of the temperature-changing chamber; The air inlet is connected to the cold cycle outlet through an air inlet channel, and the return air outlet is connected to the cold cycle inlet through a return air channel. Both the air inlet channel and the return air channel are located outside the installation chamber.
3. The refrigeration equipment according to claim 2, characterized in that: At least one of the air inlet channel and the air return channel is formed on the shielding cylinder; Alternatively, the temperature changing device further comprises an air duct housing, the air duct housing is connected to the shielding cylinder, and at least one of the air inlet channel and the return air channel is defined and formed by the air duct housing.
4. The refrigeration equipment according to claim 2, characterized in that: The variable temperature chamber has a top surface, a bottom surface, and two opposite side surfaces located between the top surface and the bottom surface. The air inlet is arranged near the connection between the top surface and one of the side surfaces, and the return air outlet is arranged near the connection between the bottom surface and the other side surface.
5. The refrigeration equipment according to claim 4, characterized in that: The air inlet is arranged on the top surface of the temperature-changing chamber, and the air inlet channel is located above the temperature-changing chamber; And / or, the return air inlet is arranged on the bottom surface of the temperature-changing chamber, and the return air channel is located below the temperature-changing chamber; the cold cycle outlet is located above the cold cycle inlet.
6. The refrigeration device according to any one of claims 1 to 5, characterized in that: The air inlet is arranged near the front side of the temperature-changing chamber, and the return air outlet is arranged near the rear side of the temperature-changing chamber; and / or the temperature-changing device also includes a drawer, which is movably arranged in the temperature-changing chamber, and the drawer door of the drawer serves as the shielding door body.
7. The refrigeration device according to any one of claims 1 to 5, characterized in that: A plurality of air inlets and a plurality of air return outlets are distributed in an array on the cavity wall of the variable temperature chamber, and the hole diameters of the air inlets and the air return outlets are no greater than 5 mm.
8. The refrigeration device according to claim 7, characterized in that: The plurality of air inlets form an air inlet area, the plurality of air inlets in the air inlet area are evenly distributed, and the minimum vertical distance between any two adjacent air inlets is greater than 0 mm and less than or equal to 3 mm; And / or, the plurality of return air outlets form a return air area, the plurality of return air outlets in the return air area are evenly distributed, and the minimum vertical distance between any two adjacent return air outlets is greater than 0 mm and less than or equal to 3 mm.
9. The refrigeration device according to any one of claims 1 to 5, characterized in that: It also includes an air duct cover plate arranged in the box body, the air duct cover plate and the rear wall of the box body jointly define the air duct compartment, and the cold cycle inlet and the cold cycle outlet are both arranged on the air duct cover plate.
10. The refrigeration device according to any one of claims 1 to 5, characterized in that: The driving fan is arranged at the return air outlet.
11. The refrigeration device according to any one of claims 1 to 5, characterized in that: The storage compartment includes at least one refrigeration compartment, and the temperature-changing chamber and the at least one refrigeration compartment are arranged in sequence along the vertical direction; The variable temperature chamber and the adjacent refrigeration chamber are cooled by the same evaporator; or, the evaporator is provided with a plurality of evaporators, and the variable temperature chamber and the adjacent refrigeration chamber are cooled by two evaporators respectively; The refrigeration equipment further includes a circulating fan, which can controllably send the air in the air duct room after heat exchange with the evaporator into the refrigeration room, so that the stored objects in the refrigeration room can reach a preset preservation temperature, which is greater than the quick-freezing temperature.