CN115704635A - Magnetic field fresh-keeping device and air-cooled refrigeration equipment - Google Patents

Magnetic field fresh-keeping device and air-cooled refrigeration equipment Download PDF

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Publication number
CN115704635A
CN115704635A CN202110920414.6A CN202110920414A CN115704635A CN 115704635 A CN115704635 A CN 115704635A CN 202110920414 A CN202110920414 A CN 202110920414A CN 115704635 A CN115704635 A CN 115704635A
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China
Prior art keywords
magnet
accommodating cavity
drawer
magnetic field
air
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CN202110920414.6A
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CN115704635B (en
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张育宁
费斌
李孟成
衣尧
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Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
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Publication of CN115704635A publication Critical patent/CN115704635A/en
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Abstract

The invention provides a magnetic field fresh-keeping device which is applied to air-cooled refrigeration equipment. The drawer accommodating cavity is used for accommodating the drawer; a magnet receiving cavity for receiving at least a portion of the magnet assembly; the air inlet channel is used for enabling cold air to enter the magnet accommodating cavity; the plurality of micropores are used for enabling cold air in the magnet accommodating cavity to enter the drawer accommodating cavity, and the diameter of each micropore is not more than 10mm; and the air return opening is used for enabling the air in the drawer accommodating cavity to flow out of the drawer accommodating cavity. The magnetic field fresh-keeping device avoids the condition that cold air takes away a large amount of heat of stored objects when the air speed is high, further avoids the condition that the stored objects are frozen, and therefore improves the use experience of the refrigerator, especially the intelligent refrigerator.

Description

Magnetic field fresh-keeping device and air-cooled refrigeration equipment
Technical Field
The invention belongs to the technical field of article preservation, and particularly provides a magnetic field preservation device and an air-cooled refrigeration device.
Background
An air-cooled refrigerating apparatus (such as an air-cooled refrigerator) is an apparatus for freezing, refrigerating and preserving stored objects (including food materials, medicines, drinks, biological reagents, bacterial colonies, chemical reagents and the like) by using cold air. Existing air-cooled refrigeration equipment typically includes storage compartments and drawers to meet the different storage needs of users.
In order to rapidly cool the stored objects, the conventional air-cooled refrigeration equipment generally introduces cool air into the drawer from a main air duct in the back plate, so that the cool air blows the stored objects (e.g., food materials) directly. However, the cold air direct blowing mode is not beneficial to the preservation and refrigeration of food materials, and even food materials which do not need to be frozen can be frozen, so that the use experience of a user is influenced.
Disclosure of Invention
An object of the present invention is to enable food to be rapidly refrigerated while ensuring that the food is not frozen within the drawer.
In order to achieve the above object, the present invention provides a magnetic field fresh-keeping device applied to an air-cooled refrigeration apparatus, the magnetic field fresh-keeping device comprising a container assembly, a drawer and a magnet assembly, the container assembly having:
a drawer receiving chamber for receiving the drawer;
a magnet receiving cavity for receiving at least a portion of the magnet assembly;
the air inlet channel is used for allowing cold air to enter the magnet accommodating cavity;
a plurality of micro-holes for allowing cold air in the magnet accommodating cavity to enter the drawer accommodating cavity, wherein the diameter of each micro-hole is not more than 10mm;
and the air return opening is used for enabling the air in the drawer accommodating cavity to flow out of the drawer accommodating cavity.
Optionally, at least a part of the micropores in the plurality of micropores is disposed on the top side of the drawer, so that the cold air flowing out of the at least a part of micropores directly blows towards the stored objects in the drawer.
Optionally, the diameter of the micropores is no greater than 1mm; and/or, the at least a portion of the micro-holes are arranged in a plurality of micro-hole groups, each micro-hole group comprising at least two micro-holes, each micro-hole group being configured to allow a plurality of gas flows flowing therefrom to be opposed to each other.
Optionally, the magnet accommodating cavity comprises a first magnet accommodating cavity and a second magnet accommodating cavity which are arranged on two opposite sides of the drawer accommodating cavity, and the air inlet channel sends cold air into the drawer accommodating cavity through the first magnet accommodating cavity and the second magnet accommodating cavity; the magnet assembly includes a first electromagnetic coil and/or a first permanent magnet disposed within the first magnet receiving cavity and a second electromagnetic coil and/or a second permanent magnet disposed within the second magnet receiving cavity.
Optionally, the first magnet accommodating cavity is arranged at the top side of the drawer accommodating cavity, and the second magnet accommodating cavity is arranged at the bottom side of the drawer accommodating cavity.
Optionally, the plurality of micro-holes are disposed on a bottom wall of the first magnet housing cavity; the container assembly is also provided with an air inlet which is arranged on the top wall of the second magnet accommodating cavity, and the second magnet accommodating cavity is communicated with the drawer accommodating cavity through the air inlet.
Optionally, the plurality of micro-holes are disposed on a bottom wall of the first magnet housing cavity; the container assembly is further provided with a communication channel, one end of the communication channel is communicated with the first magnet containing cavity, and the other end of the communication channel is communicated with the second magnet containing cavity.
Optionally, the magnet assembly further comprises a first magnetically permeable member corresponding to the first electromagnetic coil and/or the first permanent magnet and a second magnetically permeable member corresponding to the second electromagnetic coil and/or the second permanent magnet.
Optionally, the magnet assembly further comprises a magnetically permeable connector connecting the first and second magnetically permeable members together.
In addition, the invention also provides air-cooled refrigeration equipment which comprises the magnetic field fresh-keeping device in any one of the technical schemes.
Based on the foregoing description, it can be understood by those skilled in the art that, in the foregoing technical solution of the present invention, at least a portion of the micro holes in the plurality of micro holes is disposed on the top side of the drawer, so that the cool air flowing out of the at least a portion of the micro holes directly blows towards the stored object in the drawer, thereby rapidly cooling the stored object. Simultaneously, because micropore's diameter is not more than 10mm for cold wind can be hindered by the micropore when passing through the micropore, thereby has reduced the wind speed of cold wind, has avoided cold wind to take away when the wind speed is great by a large amount of heats of storing thing, and then has avoided by the freezing situation of storing thing (especially high-end edible material).
The person skilled in the art can also prolong the storage period of the food material as required due to the fact that the magnetic field can inhibit the growth of microorganisms and molds. In addition, the magnetic field can limit the free path of water molecules to a certain degree, and is particularly represented by the fact that hydrogen bonds in the water molecule clusters are broken, so that crystal nucleus growth is inhibited and the freezing temperature is reduced in the phase change process of water. Therefore, the magnetic field fresh-keeping device can keep fresh of the food materials by the magnetic field generated by the magnet assembly, so that the fresh-keeping time of the food materials is prolonged, the freezing temperature of the food materials is reduced, the food materials cannot freeze at a lower temperature, and the freezing of the food materials is further avoided.
Further, hold the chamber through setting up the magnet and hold at least partly that the magnet subassembly holds, set up and introduce the inlet air duct that the magnet held the intracavity with cold wind to and set up and hold a plurality of micropores that the drawer held the chamber with the cold wind that the magnet held the intracavity, make external cold wind can flow through the magnet earlier and hold the chamber, cool off the magnet subassembly, then get into the drawer again and hold the chamber, cool off the thing by the storage in the drawer. Therefore, the magnetic field fresh-keeping device and/or the air-cooled refrigeration equipment can effectively cool the magnet assembly, and avoids the influence of overhigh temperature rise on the refrigeration and fresh-keeping effects of the stored objects in the drawer.
Still further, through setting up at least some micropore as a plurality of micropore groups to make every micropore group include two at least micropores each, and make the stranded air current that each micropore group flows out offset each other for can disperse after the air current is offset and open, and then blow to the thing to be stored in the drawer on evenly, make all parts of the thing to be stored can both receive cold wind, thereby make the thing to be stored cooled down more evenly.
Furthermore, the refrigerator adopting the technical scheme of the invention can form a magnetic field in the refrigerator, thereby improving the storage quality of the refrigerator, providing a new fresh-keeping function for the intelligent refrigerator, meeting the increasingly improved use requirements of users on the intelligent refrigerator, and improving the quality of smart families and intelligent life of the users.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly explain the technical solution of the present invention, some embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. Those skilled in the art will appreciate that elements or portions of the same reference number identified in different figures are the same or similar; the drawings of the invention are not necessarily to scale relative to each other.
In the drawings:
FIG. 1 is a schematic illustration of the effect of an air-cooled refrigeration unit in some embodiments of the invention;
FIG. 2 is a schematic diagram of a magnetic field preservation apparatus according to some embodiments of the present invention;
FIG. 3 is an isometric view of a magnet assembly in accordance with certain embodiments of the invention;
FIG. 4 is a rear upper axial view (with top cover) of the magnetic field preservation apparatus according to some embodiments of the present invention;
FIG. 5 is a rear bottom perspective view of a magnetic field preservation apparatus (with a bottom cover) according to some embodiments of the present invention;
FIG. 6 is a front, upper isometric view of a magnetic freshness device (without a top cover) according to some embodiments of the invention;
FIG. 7 is a front bottom isometric view of a magnetic field preservation apparatus according to some embodiments of the present invention (without a bottom cover);
FIG. 8 is a schematic cross-sectional view of a microwell set in some embodiments of the present invention;
fig. 9 is a schematic illustration of a container assembly in accordance with further embodiments of the invention.
Detailed Description
It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present invention, not all of the embodiments of the present invention, and the part of the embodiments are intended to explain the technical principles of the present invention and not to limit the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, shall fall within the scope of protection of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
FIG. 1 is a schematic illustration of the effect of an air-cooled refrigeration unit in some embodiments of the invention. The air-cooled refrigeration equipment comprises a box body 100 and a magnetic field fresh-keeping device 200. The magnetic field fresh-keeping device 200 is installed on the box 100, and is used for refrigerating and keeping fresh stored objects (including food materials, medicines, wine, biological reagents, bacterial colonies, chemical reagents and the like).
In the present invention, the air-cooled refrigeration apparatus includes a refrigerator, an ice chest and a freezer.
Fig. 2 is a schematic diagram of a magnetic freshness device 200 in some embodiments of the invention.
As shown in fig. 2, in some embodiments of the present invention, the cabinet 100 includes a cooling compartment 110, a supply air duct 120, a return air duct 130, and a storage compartment (not shown). Wherein the cooling compartment 110 and the storage compartment are communicated with each other through the supply air path 120 and the return air path 130 to circulate air between the cooling compartment 110 and the storage compartment. The magnetic refreshing apparatus 200 is disposed in the storage compartment.
Further, in some embodiments of the present invention, there may be one or more storage chambers. When the storage chambers are multiple, one part of the storage chambers are refrigerating chambers, one part of the storage chambers are temperature-changing chambers, and one part of the storage chambers are freezing chambers. At least one magnetic field freshness retaining device 200 is arranged in the temperature-variable chamber and/or the freezing chamber.
With continued reference to fig. 2, in some embodiments of the present invention, the air-cooled refrigeration apparatus further comprises an evaporator 300 and a fan 400, wherein the evaporator 300 is disposed within the refrigeration compartment 110 for cooling air within the refrigeration compartment 110. The blower 400 is used to drive air to circulate in the refrigerating compartment 110, the supply air duct 120, the storage compartment, and the return air duct 130 in sequence.
With continued reference to fig. 2, in some embodiments of the present invention, the magnetic field preservation apparatus 200 includes a container assembly 210, a drawer 220, and a magnet assembly 230. Wherein the drawer 220 is slidably mounted to the drawer container assembly 210 for placing the stored items. The magnet assembly 230 is used to provide a magnetic field to the stored items in the drawer 220.
With continued reference to fig. 2, the container assembly 210 has a drawer receiving cavity 211, a magnet receiving cavity 212, an air inlet channel 213, a plurality of micro-holes 214, and an air return opening 215. The drawer accommodating cavity 211 is used for accommodating the drawer 220; the magnet receiving cavity 212 is for receiving at least a portion of the magnet assembly 230; the air intake passage 213 is used to introduce cold air into the magnet accommodating chamber 211; the plurality of micro-holes 214 are used for allowing cold air in the magnet accommodating chamber 212 to enter the drawer accommodating chamber 211; the air return opening 215 is used to allow air in the drawer accommodating chamber 211 to flow out of the drawer accommodating chamber 211.
Wherein, micropore 214's diameter is not more than 10mm to make cold wind when passing through micropore 214, can be obstructed by micropore 214, thereby reduce the wind speed of cold wind, avoid cold wind to take away when the wind speed is great by a large amount of heats of storing thing, and then avoided by the freezing condition of storing thing appearance. The diameter of the micro-holes 214 may be any feasible value such as 10mm, 8.5mm, 6mm, 3mm, etc. Preferably, the diameter of the micro-holes 214 is no greater than 1mm, e.g., 0.1mm, 0.25mm, 0.3mm, 0.5mm, 0.8mm, 1.0mm, etc., at any feasible value.
With continued reference to fig. 2, the magnet receiving cavity 212 includes a first magnet receiving cavity 2121 and a second magnet receiving cavity 2122 disposed on opposite sides of the drawer receiving cavity 211. Magnet assembly 230 includes a first electromagnetic coil 231 and a second electromagnetic coil 232. Wherein the first electromagnetic coil 231 is disposed in the first magnet housing 2121 and the second electromagnetic coil 232 is disposed in the second magnet housing 2122. Preferably, the first and second electromagnetic coils 231 and 232 are aligned with each other so that the first and second electromagnetic coils 231 and 232 can generate a magnetic field having a uniform intensity when they are energized.
Alternatively, the first and second magnet housings 2121 and 2122 are provided at upper and lower sides, or left and right sides, of the drawer housing 211, respectively.
With reference to fig. 2, the air inlet channel 213 has an inlet and two outlets, the air inlet channel 213 is connected to the air supply duct 120 through its inlet, the air inlet channel 213 is connected to the first magnet accommodating chamber 2121 and the second magnet accommodating chamber 2122 through its two outlets, respectively, so as to supply cold air to the first magnet accommodating chamber 2121 and the second magnet accommodating chamber 2122, respectively, and cool the first electromagnetic coil 231 and the second electromagnetic coil 232, thereby preventing the temperature of the first electromagnetic coil 231 and the second electromagnetic coil 232 which are operated from being too high, which may affect the refrigeration and freezing effects of the stored object in the drawer 220.
Further, in the present invention, at least a portion of the plurality of micro holes 214 is disposed on the top side of the drawer 220, so that the cool air flowing out from at least a portion of the micro holes 214 is directly blown to the stored object in the drawer 220 to cool the stored object. Another portion of the plurality of micro-holes 214 may be disposed at a bottom side and/or a left side and/or a right side of the drawer 220.
As shown in FIG. 2, in one embodiment of the invention, all of the micro-holes 214 are disposed on the top side of the drawer 220. Specifically, a plurality of micro-holes 214 are provided on the bottom wall of the first magnet housing chamber 2121.
With continued reference to fig. 2, the container assembly 210 further has an air inlet 217, and the air inlet 217 is disposed on the top wall of the second magnet accommodating chamber 2122, so that the second magnet accommodating chamber 2122 is communicated with the drawer accommodating chamber 211 through the air inlet 217 to blow the cool air in the second magnet accommodating chamber 2122 to the bottom wall of the drawer 220, thereby preventing the cool air with a high flow rate from directly blowing the stored object in the drawer 220, and further preventing the stored object in the drawer 220 from being frozen due to a large loss of heat.
In addition, in other embodiments of the present invention, the air inlet 217 may be configured as the micro-hole 214 by those skilled in the art according to the requirement.
Fig. 3 is an isometric view of magnet assembly 230 in some embodiments of the invention.
As shown in fig. 3, in some embodiments of the invention, the magnet assembly 230 includes, in addition to the first and second electromagnetic coils 231, 232, a first magnetically permeable member 233, a second magnetically permeable member 234, and an optional magnetically permeable connector 235. Wherein the first magnetically permeable member 233 corresponds to the first electromagnetic coil 231, optionally both the first magnetically permeable member 233 and the first electromagnetic coil 231 are disposed within the first magnet receiving cavity 2121. The second magnetically permeable member 234 corresponds to the second electromagnetic coil 232, optionally with both the second magnetically permeable member 234 and the second electromagnetic coil 232 being disposed within the second magnet housing cavity 2122. Further, a magnetically permeable connector 235 connects the first and second magnetically permeable members 233, 234 together.
In the embodiments of the present invention, the first and second magnetic conductive members 233 and 234 are used to assist the first and second electromagnetic coils 231 and 232 to form a magnetic field with uniform intensity in the drawer accommodating cavity 211, so that the food materials in various regions in the drawer 220 can be in the same magnetic field environment, and a good magnetic field preservation environment can be provided for the stored materials in the drawer 220. In addition, the arrangement of the first magnetic conductive member 233 and the second magnetic conductive member 234 also facilitates the control of the intensity of the magnetic field formed by the first electromagnetic coil 231 and the second electromagnetic coil 232, and avoids the occurrence of the situation that the intensity of the magnetic field in the local area of the drawer 220 is too high or too low.
Further, in the present invention, the magnetic conductive connector 245 can prevent at least the magnetic fields of the first and second electromagnetic coils 231 and 232 from leaking, i.e., limit the magnetic fields generated by the first and second electromagnetic coils 231 and 232, and in particular, limit the magnetic fields generated by the first and second electromagnetic coils 231 and 232 in the drawer accommodating cavity 211, so that the magnetic fields act on the stored objects in the drawer 220 as much as possible. Therefore, the utilization rate of the magnetic fields of the first electromagnetic coil 231 and the second electromagnetic coil 232 is improved by arranging the first magnetic conductive member 233, the second magnetic conductive member 234 and the magnetic conductive connecting piece 245.
It should be noted that the first and second magnetically permeable members 233, 234 and 245 can be any feasible magnetically permeable member, such as silicon steel sheet, 45 permalloy, 78 permalloy, super permalloy, etc.
In addition, in other embodiments of the present invention, a person skilled in the art may select a permanent magnet instead of the first electromagnetic coil 231 as needed, and the permanent magnet is referred to as the first permanent magnet. Alternatively, a permanent magnet is added to the first electromagnetic coil 231, and the added permanent magnet is referred to as a first permanent magnet. Alternatively, the first electromagnetic coil 231 and the first permanent magnet abut each other, and the generated magnetic field can attract the two to each other.
Further, in other embodiments of the present invention, a person skilled in the art may also omit the permanent magnet to replace the second electromagnetic coil 232 as required, and record it as the second permanent magnet; or, a permanent magnet is added on the basis of the second electromagnetic coil 232, and the added permanent magnet is marked as a second permanent magnet. Alternatively, the second electromagnetic coil 232 and the second permanent magnet abut each other, and the generated magnetic field can attract the two to each other.
The structure of the container assembly 210 in some embodiments of the invention will be further described with reference to fig. 4-7. Fig. 4 is a rear upper axial view (with a top cover) of the magnetic field refreshing apparatus according to some embodiments of the present invention, fig. 5 is a rear lower axial view (with a bottom cover) of the magnetic field refreshing apparatus according to some embodiments of the present invention, fig. 6 is a front upper axial view (without a top cover) of the magnetic field refreshing apparatus according to some embodiments of the present invention, and fig. 7 is a front lower axial view (without a bottom cover) of the magnetic field refreshing apparatus according to some embodiments of the present invention.
As shown in fig. 4 to 7, container assembly 210 structurally includes a container body 2101, a top cover 2102 located at the top side of container body 2101, a duct tube 2103 located at the rear side of container body 2101, and a bottom cover 2104 located at the bottom side of container body 2101. A drawer accommodating chamber 210 is formed in the container body 2101; a first magnet housing chamber 2121 is formed between the top cover 2102 and the container body 2101; a second magnet pocket 2122 is formed between the bottom cap 2104 and the container body 2101; the air intake passage 213 is formed in the air duct pipe 2103; the minute hole 214 is formed on the top wall of the container body 2101 and is shielded by the top cover 2102; an air return opening 215 is formed on the rear side wall of the container body 2101; the air inlet 217 is formed in the bottom wall of the container body 2101.
In addition, in other embodiments of the present invention, the structure of the container assembly 210 may be adjusted or modified as needed by those skilled in the art. For example, both top cover 2102 and bottom cover 2104 are disposed inside container body 2101.
In some embodiments of the present invention, at least a portion of micro-wells 214 located on the top side of drawer 220 are provided as a plurality of micro-well groups, each micro-well group comprising at least two micro-wells 214. Each of the groups of micro-orifices is configured such that the plurality of gas streams issuing therefrom are in opposed relation to one another.
One of the microwell sets is described in detail below with reference to FIG. 8, which is a schematic cross-sectional view of one microwell set in some embodiments of the present invention.
As shown in fig. 8, in one micro hole group, the extension lines of the central axes of the micro holes 214 are gradually gathered at the side close to the drawer 220, so that the cold air blown out from each micro hole 214 can be flushed with the cold air blown out from other micro holes 214, and the cold air is flushed and dispersed, and then is uniformly scattered on the stored objects in the drawer 220, so that the cold air received by the stored objects in each area in the drawer 220 is almost the same.
Therefore, the embodiments of the present invention can provide a refrigeration and freezing environment with balanced refrigeration capacity for the stored object in the drawer 220, and improve the refrigeration and freezing effect of the stored object.
Fig. 9 is a schematic illustration of a container assembly 210 in accordance with further embodiments of the present invention.
In other embodiments of the present invention, as shown in fig. 9, the container assembly 210 further has a communication passage 218, one end of the communication passage 218 communicates with the first magnet housing 2121, and the other end of the communication passage 218 communicates with the second magnet housing 2122.
With continued reference to fig. 9, container assembly 210 further includes a side cover 2105 disposed on the left and/or right side of container body 2101, with communication channel 218 formed between container body 2101 and side cover 2105.
Alternatively, in this alternative embodiment of the present invention, the intake vent 217 may be omitted as shown in FIG. 9. When the air inlet 217 is omitted, the cold air in the second magnet accommodating chamber 2122 enters the first magnet accommodating chamber 2121 through the communicating passage 218, and then enters the drawer accommodating chamber 211 through the plurality of micro holes 214, so that the cold air entering the drawer accommodating chamber 211 can directly cool the stored objects, thereby improving the utilization rate of the cold air, that is, the refrigerating efficiency of the air-cooled refrigerating apparatus and/or the magnetic field fresh-keeping device 200.
Further, alternatively, one skilled in the art may also make the air supply passage 213 communicate with only the first magnet housing chamber 2121 or the second magnet housing chamber 2122 or the communication passage 218, as needed. Preferably, the air supply passage 213 is made to communicate with only the second magnet housing chamber 2122, so that cool air in the air supply passage 213 first enters the second magnet housing chamber 2122 to cool the second electromagnetic coil 232 and then enters the first magnet housing chamber 2121 through the communication passage 218 to cool the first electromagnetic coil 231.
So far, the technical solution of the present invention has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Without departing from the technical principle of the present invention, a person skilled in the art may split and combine the technical solutions in the above embodiments, and may make equivalent changes or substitutions for related technical features, and any changes, equivalents, improvements, etc. made within the technical concept and/or technical principle of the present invention will fall within the protection scope of the present invention.

Claims (10)

1. A magnetic field fresh-keeping device is applied to air-cooled refrigeration equipment, the magnetic field fresh-keeping device comprises a container assembly, a drawer and a magnet assembly, wherein the container assembly is provided with:
a drawer receiving chamber for receiving the drawer;
a magnet receiving cavity for receiving at least a portion of the magnet assembly;
the air inlet channel is used for allowing cold air to enter the magnet accommodating cavity;
a plurality of micro-holes for allowing cold air in the magnet accommodating cavity to enter the drawer accommodating cavity, wherein the diameter of each micro-hole is not more than 10mm;
and the air return opening is used for enabling the air in the drawer accommodating cavity to flow out of the drawer accommodating cavity.
2. The magnetic field preservation apparatus of claim 1,
the diameter of the micropores is not more than 1mm; and/or the like and/or,
at least a part of the micropores in the plurality of micropores is arranged on the top side of the drawer, so that the cold air flowing out of the at least a part of micropores directly blows towards the stored objects in the drawer.
3. The magnetic field preservation apparatus of claim 2,
said at least a portion of the microwells being arranged as a plurality of microwell groups, each microwell group comprising at least two of said microwells,
each of the groups of micro-orifices is configured such that the plurality of gas streams issuing therefrom are in opposition to one another.
4. The magnetic field preservation apparatus of claim 1,
the magnet accommodating cavity comprises a first magnet accommodating cavity and a second magnet accommodating cavity which are arranged on two opposite sides of the drawer accommodating cavity, and the air inlet channel sends cold air into the drawer accommodating cavity through the first magnet accommodating cavity and the second magnet accommodating cavity;
the magnet assembly includes a first electromagnetic coil and/or a first permanent magnet disposed within the first magnet receiving cavity and a second electromagnetic coil and/or a second permanent magnet disposed within the second magnet receiving cavity.
5. The magnetic field preservation apparatus of claim 4,
the first magnet accommodating cavity is arranged on the top side of the drawer accommodating cavity, and the second magnet accommodating cavity is arranged on the bottom side of the drawer accommodating cavity.
6. The magnetic field preservation apparatus of claim 5,
the plurality of micro holes are arranged on the bottom wall of the first magnet accommodating cavity;
the container assembly is also provided with an air inlet which is arranged on the top wall of the second magnet accommodating cavity, and the second magnet accommodating cavity is communicated with the drawer accommodating cavity through the air inlet.
7. The magnetic field freshness retaining device of claim 5,
the plurality of micro holes are arranged on the bottom wall of the first magnet accommodating cavity;
the container assembly is also provided with a communication channel, one end of the communication channel is communicated with the first magnet containing cavity, and the other end of the communication channel is communicated with the second magnet containing cavity.
8. The magnetic field refreshing apparatus according to any one of claims 4 to 7, wherein,
the magnet assembly further comprises a first magnetically permeable member and a second magnetically permeable member,
the first magnetically permeable member corresponds to the first electromagnetic coil and/or the first permanent magnet,
the second magnetically permeable member corresponds to the second electromagnetic coil and/or the second permanent magnet.
9. The magnetic field preservation apparatus of claim 8,
the magnet assembly further comprises a magnetically conductive connector connecting the first and second magnetically conductive members together.
10. An air-cooled refrigeration apparatus comprising a magnetic field freshness retaining device according to any one of claims 1 to 9.
CN202110920414.6A 2021-08-11 2021-08-11 Magnetic field fresh-keeping device and air-cooled refrigeration equipment Active CN115704635B (en)

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CN107044762A (en) * 2017-05-31 2017-08-15 山东大学 A kind of refrigerator drawer and refrigerator with acceleration refrigerating function
CN111989527A (en) * 2018-04-18 2020-11-24 松下知识产权经营株式会社 Refrigerator with a door
CN112955704A (en) * 2018-10-23 2021-06-11 松下知识产权经营株式会社 Refrigerator with a door

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Publication number Priority date Publication date Assignee Title
JP2014159896A (en) * 2013-02-19 2014-09-04 Haier Asia International Co Ltd Refrigerator
CN106123467A (en) * 2016-07-01 2016-11-16 青岛海尔股份有限公司 Cold fresh drawer and there is the wind cooling refrigerator of this cold fresh drawer
CN107044762A (en) * 2017-05-31 2017-08-15 山东大学 A kind of refrigerator drawer and refrigerator with acceleration refrigerating function
CN111989527A (en) * 2018-04-18 2020-11-24 松下知识产权经营株式会社 Refrigerator with a door
CN112955704A (en) * 2018-10-23 2021-06-11 松下知识产权经营株式会社 Refrigerator with a door

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