CN213778317U - Refrigerating and freezing device - Google Patents
Refrigerating and freezing device Download PDFInfo
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- CN213778317U CN213778317U CN202022341799.4U CN202022341799U CN213778317U CN 213778317 U CN213778317 U CN 213778317U CN 202022341799 U CN202022341799 U CN 202022341799U CN 213778317 U CN213778317 U CN 213778317U
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Abstract
The utility model provides a cold-stored refrigeration device, this cold-stored refrigeration device includes the box, back of the body board portion and a plurality of rack, the box includes at least one inner bag, back of the body board portion sets up in the inner bag, in order to inject air supply wind channel and storing room with the inner bag, and a plurality of supply-air outlets that are used for intercommunication air supply wind channel and storing room are seted up to the back of the body board portion, a plurality of racks are located the storing room, set up on the back of the body board portion, every rack is inside to be formed with the shelf wind channel, and the shelf wind channel is linked together with the supply-air outlet, be provided with the air supply wall that is formed by polyester fiber fabric on the air current route that the room was accesss to the storing room in the shelf wind channel, the air supply wall is configured into and is permitted the air current of air current in the shelf wind channel to see through the fibre clearance in the air supply wall and flows into the storing room. The utility model discloses a cold-stored refrigeration device utilizes the setting shelf wind channel in the rack to utilize the air supply wall that polyester fiber fabric formed to supply air, balanced the indoor difference in temperature between the storing effectively, simple structure easily uses widely.
Description
Technical Field
The utility model relates to a cold-stored refrigeration technique especially relates to a cold-stored refrigeration device.
Background
In current air-cooled refrigerator, because the air outlet generally sets up in inside, on the refrigerator depth direction, the difference in temperature is great, and article cooling rate far away from the wind gap is slow, and this leads to whole storing room temperature degree to distribute inhomogeneously, and heat exchange efficiency is low, leads to user's use to experience and feels to descend.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome at least one defect among the prior art, provide a cold-stored refrigeration device.
The utility model discloses a further purpose makes to reduce the indoor air current difference in temperature between whole storing.
The utility model discloses another further purpose rationally arranges the position of air supply wall, makes it not only do not influence the demand that the rack placed article, improves the refrigeration airflow velocity of flow moreover, optimizes the heat transfer.
Particularly, the utility model provides a cold-stored refrigeration device, its characterized in that includes:
a box body, which comprises at least one inner container;
the back plate part is arranged in the inner container so as to limit the inner container into an air supply duct and a storage compartment in front of the air supply duct, and the back plate part is provided with a plurality of air supply openings for communicating the air supply duct and the storage compartment; and
a plurality of racks, be located between the storing room, set up in on the backplate portion, every rack inside is formed with the rack wind channel, and the rack wind channel with the supply-air outlet is linked together, the rack wind channel accesss to be provided with the air supply wall that is formed by polyester fiber fabric on the air current route of storing room, the air supply wall configures into and allows at least partly air current in the rack wind channel sees through under the effect of wind pressure fibre clearance in the air supply wall flows in the storing room.
Furthermore, the air supply wall surface is a flexible and continuous sheet-shaped structure, and is arranged at the bottom of the rack to be used as at least one part of the bottom wall of the rack air duct and guide the airflow below the rack air duct.
Further, a sealing part is formed on the periphery of one side, facing the rack, of each air supply outlet in a protruding mode; and is
The rear end of the rack is provided with a plurality of first air inlets used for communicating the rack air duct with the air supply outlet, and the sealing part extends into the rack air duct from the first air inlets.
Furthermore, two side walls of the inner container are respectively provided with a protruding part for bearing the rack, and the rear end of the protruding part is also provided with a limiting part for limiting the position of the sealing part extending into the rack air duct.
Furthermore, the racks are horizontally arranged; and is
The distance between two adjacent racks is 10-30 cm.
Further, the back plate part is parallel to the rear wall of the inner container.
Further, the refrigerating and freezing apparatus further comprises:
the skeleton, set up in on the periphery of backplate portion, and the skeleton still is provided with a plurality of trips, be provided with on the inner wall of inner bag a plurality ofly with trip matched with draw-in groove, in order to incite somebody to action backplate portion is fixed in the inner bag.
Further, the distance between the back plate part and the rear wall of the inner container is 5-20 cm.
Further, a cooling chamber is defined inside the box body;
the refrigerating and freezing apparatus further comprises:
an evaporator disposed in the cooling chamber and configured to provide cooling energy to the refrigeration chiller; and
a heat exchange fan disposed in the cooling chamber and configured to cause a heat exchange air flow to be formed for heat exchange with the evaporator.
Furthermore, a second air inlet used for communicating the cooling chamber with the air supply duct is further formed in the bottom wall of the inner container.
The utility model discloses an among the cold-stored refrigeration device, the shelf wind channel is injectd to the inside of shelf, and the shelf wind channel is connected with the air supply wind channel through the supply-air outlet on the backplate portion. In the refrigeration process, the refrigeration air flow is not directly entered into the storage chamber after being discharged from the air supply air channel, but enters into the shelf air channel firstly, and the shelf air channel can also be understood as playing a role in changing the direction of the refrigeration air flow, so that the refrigeration air flow uniformly penetrates through fiber gaps in the air supply wall surface in the depth direction of the storage chamber and flows into the storage chamber, the air flow temperature difference in the whole storage chamber can be reduced, and the use experience of a user is improved.
Further, in the refrigerating and freezing apparatus of the present invention, the air supply wall is disposed on the wall of the rack to serve as a bottom wall of the rack air duct, which can guide the cooling air flow to the lower side of the rack. The air supply wall is formed by polyester fiber fabric and is of a flexible sheet structure, and the racks are mostly of flat plates, so that the effect of carrying articles of the racks cannot be met if the air supply wall is arranged above the racks, and the air supply wall is arranged below the racks without being influenced.
In addition, because the density of the refrigerating airflow is higher, the refrigerating airflow generally flows downwards after entering the storage chamber, the air supply wall surface is arranged below the rack, the flowing direction of the refrigerating air can be guided downwards, the effect of improving the flow speed of the refrigerating airflow can be realized, and the heat exchange is optimized.
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
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
figure 1 is a schematic perspective view of a refrigeration and freezing apparatus according to an embodiment of the present invention;
fig. 2 is an exploded view of an inner container, a back plate portion and a rack in a refrigerating and freezing device according to an embodiment of the present invention;
fig. 3 is a schematic view of the arrangement of the inner container, the back plate portion and the rack in the refrigerating and freezing apparatus according to an embodiment of the present invention, wherein the single-headed arrow shows the general flow direction of the air flow;
fig. 4 is an enlarged view of a portion a of fig. 3.
Detailed Description
In the description of the present embodiment, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "depth", and the like indicate orientations or positional relationships that can be determined based on the orientation of the refrigerator-freezer 10 in a normal use state, and with reference to the orientations or positional relationships shown in the drawings, for example, "front" indicating the orientation refers to the side of the refrigerator-freezer 10 facing the user. This is merely to facilitate description of the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated in a particular orientation, and thus should not be taken to be limiting of the invention.
Referring to fig. 1 to 4, the present invention provides a refrigerating and freezing apparatus 10, the refrigerating and freezing apparatus 10 may include a box 100, and the box 100 may generally include a housing (not shown in the drawings), which may serve as an outer structure of the refrigerating and freezing apparatus 10 to protect the whole refrigerating and freezing apparatus 10.
The refrigerator-freezer 10 may also include at least one inner container 200. The number of the inner containers 200 may be one or more, the inner containers 200 may be arbitrarily divided into a refrigerating inner container, a temperature changing inner container, a freezing inner container, and the like according to functions, and the specific number and functions of the inner containers may be configured according to the use requirements of the refrigerator. In some specific embodiments, the number of the inner containers 200 is multiple, and multiple inner containers 200 may be disposed along the height direction of the cabinet 100, and foam insulation layers may be filled between the inner containers 200 and the outer casing to fix the relative positions between the inner containers and the cabinet, and the foam insulation layers may also play a role in thermal insulation.
In the present embodiment, the inner container 200 has an accommodating space therein, and the refrigerator-freezer 10 may further include a back plate portion 300 and a plurality of racks 400. The back plate 300 is disposed in the accommodating space to define the accommodating space with the air supply duct 210 and the storage compartment 220 located in front of the air supply duct 210, and the back plate 300 is provided with a plurality of air supply ports 310 for communicating the air supply duct 210 and the storage compartment 220.
The plurality of racks 400 are located in the storage compartment 220 and disposed on the back plate portion 300, a rack duct 410 is formed inside each rack 400, the rack duct 410 is communicated with the air supply opening 310, an air supply wall surface 500 formed by polyester fiber fabric is disposed on an air flow path of the rack duct 410 to the storage compartment 220, and the air supply wall surface 500 is configured to allow at least a part of air flow in the rack duct 410 to flow into the storage compartment 220 through a fiber gap in the air supply wall surface 500 under the action of air pressure.
In some embodiments, the back plate portion 300 may have a flat plate shape, and the back plate portion 300 is parallel to a rear wall of the inner container 200, which is disposed in the accommodating space to partition the inner container 200 in the front-rear direction, wherein the back plate portion 300 and the rear wall of the inner container 200 may define the air supply duct 210, and a front of the back plate portion 300 (i.e., a front of the air supply duct 210) defines the storage compartment 220 for storing articles.
The plurality of racks 400 may be sequentially disposed in the storage compartment 220 along the height direction, and a user may place articles on the racks 400 of different heights in a classified manner according to the volume or usage of the articles, thereby facilitating the taking and improving the space utilization rate of the storage compartment 220.
Each rack 400 of the present embodiment further defines a rack duct 410 therein, the rack duct 410 is communicated with the air supply outlet 310 provided on the back plate portion 300, and an air supply wall surface 500 (polyester fiber is commonly called "dacron", which is a flat soft piece formed by connecting polyester obtained by polycondensation of organic dibasic acid and dihydric alcohol through a cross, a kink, or the like, and having a fiber gap) formed by polyester fiber fabric is provided between the rack duct 410 and the storage compartment 220. Specifically, the supply wall 500 may be provided as any wall of the rack 400 to define the rack duct 410 together with the body of the rack 400.
During the cooling process, the cooling air flow can enter the rack air duct 410 in each rack 400 through the air supply opening 310 from the air supply duct 210, and then the cooling air flow flows into the storage compartment 220 through the fiber gap of the air supply wall surface 500 and exchanges heat with the air in the storage compartment 220. After heat exchange, hot air may also enter the cooling chamber through a return air inlet (not shown) to form a circulating refrigerated air stream.
As described in the background art, in the air-cooled refrigerator in the prior art, the cooling air flow is directly discharged into the storage compartment after being discharged from the air supply duct, which causes a large temperature difference in the depth direction of the storage compartment, and the cooling speed of the articles far away from the air inlet is slow, thereby affecting the user experience.
Compared with the prior art, in the refrigerating and freezing device 10 of the present embodiment, the rack 400 defines the rack duct 410 inside, and the rack duct 410 is connected to the air supply duct 210 through the air supply opening 310 on the back plate portion 300. In the refrigerating process, the refrigerating airflow is discharged from the air supply duct 210 and then does not directly enter the storage compartment 220, but enters the shelf air duct 410, and the shelf air duct 410 can also be understood as playing a role in changing the direction of the refrigerating airflow, so that the refrigerating airflow uniformly penetrates through fiber gaps in the air supply wall surface 500 in the depth direction of the storage compartment 220 and flows into the storage compartment 220, the airflow temperature difference in the whole storage compartment 220 can be reduced, and the use experience of a user is improved.
In addition, in the embodiment, since the air supply wall surface 500 formed by the polyester fiber fabric has no air supply micropores, the airflow can enter the storage chamber 220 through the fiber gaps in the whole air supply wall surface 500, and the diameter of the fiber gaps is smaller than the size of dust particles, so that the dirty blocking phenomenon is avoided. During assembly, the air supply wall surface 500 can also prevent bacteria from breeding after long-time use through antibacterial and mildewproof treatment, and the preservation effect of food is optimized. And because the surface of the air supply wall surface 500 has an air protection layer in the air supply process, the air with higher relative temperature in the refrigerating chamber cannot be isolated by the air protection layer and cannot reach the surface of the air supply wall surface 500, so that the condensation prevention effect is achieved.
Referring to fig. 2, in some embodiments, the air supply wall 500 is a flexible and continuous sheet structure, and the air supply wall 500 is disposed at the bottom of the rack 400 to serve as at least a portion of the bottom wall of the rack duct 410 and guide the air flow thereunder.
That is, the air supply wall 500 in this embodiment can be used as the bottom wall of the rack duct 410 to guide the cooling air flow to the lower side of the rack 400. Since the air supply wall surface 500 is formed of a polyester fabric and has a flexible sheet structure, and the rack 400 is mostly flat, if the air supply wall surface 500 is disposed above the rack 400, the function of the rack 400 for carrying articles may not be satisfied, and thus the air supply wall surface 500 is disposed below the rack 400 without being affected.
In addition, since the density of the cooling airflow is high, the cooling airflow generally flows downward after entering the storage compartment 220, and the air supply wall surface 500 is disposed below the rack 400 to guide the flow direction of the cooling air downward, thereby increasing the flow rate of the cooling airflow and optimizing the heat exchange.
Referring to fig. 3 and 4, in some embodiments, a sealing portion 320 is formed at a periphery of each of the air blowing ports 310 protruding toward one side of the rack 400, and a plurality of first air intakes 420 for communicating the rack air duct 410 with the air blowing ports 310 are formed at a rear end of the rack 400, and the sealing portion 320 extends from the first air intakes 420 into the rack air duct 410.
In the present embodiment, the sealing part 320 is formed in a protruding manner at the outer circumference of the side of the air blowing opening 310 facing the rack 400, that is, at the back plate part 300. Since the rack 400 is disposed on the back plate 300 and communicates the rack duct 410 with the air supply duct 210, the protruding sealing portion 320 extends into the rack duct 410 from the first air inlet 420 to fix and position the rack 400, and also seals the gap between the back plate 300 and the rack 400 to prevent the cooling air flow from directly flowing into the storage compartment 220.
Preferably, the outer diameter of the sealing portion 320 is also configured to be matched with the size of the first intake vent 420, so as to achieve a good sealing effect.
Referring to fig. 2, in some embodiments, two side walls of the inner container 200 are respectively provided with a protrusion 230 for carrying the rack 400, and a stopper 240 is further formed at a rear end of the protrusion 230 to limit a position where the sealing portion 320 extends into the rack duct 410.
In the embodiment, the two side walls of the inner container 200 may be provided with a corresponding number of protrusions 230 according to the number of the racks 400, and the protrusions 230 on the two sides may be used for carrying the racks 400, and facilitating the detachment of the racks 400.
The limiting portion 240 is formed at the rear end of the protruding portion 230 to limit the position of the rack 400 in the depth direction of the storage compartment 220, so that the rack 400 at the limiting position not only meets the requirement of taking articles, but also ensures that the sealing portion 320 can extend into the rack air duct 410.
Referring to fig. 3, in some embodiments, a plurality of racks 400 are horizontally disposed, and a distance H between two adjacent racks 400 is 10 to 30cm, for example, 10cm, 20cm, or 30 cm.
In the present embodiment, the air supply wall 500 can guide the flow of the refrigerant air downward, that is, the refrigerant air discharged from the shelf air duct 410 of the upper rack 400 directly acts on the lower rack 400 and the articles placed on the rack 400. Therefore, when the distance between two adjacent racks 400 is defined as any value within the above range, the flow characteristics of the cooling airflow are not affected, the coverage area of the cooling airflow in the depth direction can be ensured, and the temperature uniformity of the storage compartment 220 can be further improved.
Referring to fig. 2, in some embodiments, the refrigeration and freezing apparatus 10 may further include a frame 600, the frame 600 is disposed on the periphery of the back plate portion 300, the frame 600 is further provided with a plurality of hooks 610, and the inner wall of the inner container 200 is provided with a plurality of slots (not shown) matching with the hooks 610, so as to fix the back plate portion 300 in the inner container 200.
In this embodiment, the back plate 300 may be fixed in the inner container 200 by the frame 600, the frame 600 may be configured to have the same contour as the back plate 300 and fixed on the outer circumference of the back plate 300, and the frame 600 forms a plurality of hooks 610 to fix the back plate 300 in the inner container 200. In this embodiment, the connection mode of the hook 610 and the slot is convenient for the maintenance personnel to detach during the later maintenance.
Referring to fig. 3, in some embodiments, the distance L between the back plate 300 and the rear wall of the inner container 200 is 5-20 cm, such as 5cm, 10cm, 15cm, or 20 cm. The air supply duct 210 can be ensured to be large enough by the limitation, and the refrigeration requirement can be met on the premise of not occupying too much space of the inner container 200.
Referring to fig. 1, in some embodiments, the interior of the cabinet 100 further defines a cooling chamber 110, and the refrigeration and freezing apparatus 10 may further include an evaporator 120 and a heat exchange fan 130. An evaporator 120 is disposed within the cooling compartment 110 and configured to provide refrigeration to the refrigeration chiller 10, and a heat exchanging fan 130 is disposed within the cooling compartment 110 and configured to facilitate the formation of a heat exchanging air flow that exchanges heat with the evaporator 120.
In this embodiment, the cooling chamber 110 may be formed at the back of the cabinet 100, and an evaporator 120 and a heat exchange fan 130 are disposed therein, and after heat exchange is performed between the evaporator 120 and the airflow in the cooling chamber 110, a cooling airflow with a certain wind pressure is formed under the urging of the heat exchange fan 130.
Referring to fig. 1, in some embodiments, a second air inlet 250 for communicating the cooling chamber 110 and the air supply duct 210 is further disposed at the bottom wall of the inner container 200.
In the refrigeration process, under the action of the evaporator 120 and the heat exchange fan 130, a refrigeration airflow with a certain air pressure is formed in the cooling chamber 110, the refrigeration airflow firstly enters the air supply duct 210 through the second air inlet 250, then enters the partition duct 410 through the air supply outlet 310 on the back plate part 300, and finally flows into the storage compartment 220 from the fiber gap of the air supply wall surface 500 on the rack 400 so as to exchange heat with the air in the storage compartment 220; the hot air after heat exchange returns to the cooling chamber 110 through an air return opening (not shown) in the inner container, and exchanges heat with the evaporator 120 again to form a circulating refrigerated air flow.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigeration freezer apparatus, comprising:
a box body, which comprises at least one inner container;
the back plate part is arranged in the inner container so as to limit the inner container into an air supply duct and a storage compartment in front of the air supply duct, and the back plate part is provided with a plurality of air supply openings for communicating the air supply duct and the storage compartment; and
a plurality of racks, be located between the storing room, set up in on the backplate portion, every rack inside is formed with the rack wind channel, and the rack wind channel with the supply-air outlet is linked together, the rack wind channel accesss to be provided with the air supply wall that is formed by polyester fiber fabric on the air current route of storing room, the air supply wall configures into and allows at least partly air current in the rack wind channel sees through under the effect of wind pressure fibre clearance in the air supply wall flows in the storing room.
2. A refrigerator-freezer according to claim 1,
the air supply wall surface is of a flexible and continuous sheet-shaped structure and is arranged at the bottom of the rack to serve as at least one part of the bottom wall of the rack air duct and guide airflow below the rack air duct.
3. A refrigerator-freezer according to claim 1,
a sealing part is formed on the periphery of one side, facing the rack, of each air supply outlet in a protruding manner; and is
The rear end of the rack is provided with a plurality of first air inlets used for communicating the rack air duct with the air supply outlet, and the sealing part extends into the rack air duct from the first air inlets.
4. A refrigerator-freezer according to claim 3,
the two side walls of the inner container are respectively provided with a protruding part for bearing the rack, and the rear end of the protruding part is also provided with a limiting part for limiting the position of the sealing part extending into the rack air duct.
5. A refrigerator-freezer according to claim 4,
the plurality of racks are respectively and horizontally arranged; and is
The distance between two adjacent racks is 10-30 cm.
6. A refrigerator-freezer according to claim 1,
the back plate part is parallel to the back wall of the inner container.
7. A refrigerator-freezer according to claim 6, further comprising:
the skeleton, set up in on the periphery of backplate portion, and the skeleton still is provided with a plurality of trips, be provided with on the inner wall of inner bag a plurality ofly with trip matched with draw-in groove, in order to incite somebody to action backplate portion is fixed in the inner bag.
8. A refrigerator-freezer according to claim 6,
the distance between the back plate part and the rear wall of the inner container is 5-20 cm.
9. A refrigerator-freezer according to claim 1,
a cooling chamber is defined inside the box body;
the refrigerating and freezing apparatus further comprises:
an evaporator disposed in the cooling chamber and configured to provide cooling energy to the refrigeration chiller; and
a heat exchange fan disposed in the cooling chamber and configured to cause a heat exchange air flow to be formed for heat exchange with the evaporator.
10. A refrigerator-freezer according to claim 9,
and a second air inlet for communicating the cooling chamber with the air supply duct is also formed in the bottom wall of the inner container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341799.4U CN213778317U (en) | 2020-10-20 | 2020-10-20 | Refrigerating and freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341799.4U CN213778317U (en) | 2020-10-20 | 2020-10-20 | Refrigerating and freezing device |
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| Publication Number | Publication Date |
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| CN213778317U true CN213778317U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022341799.4U Active CN213778317U (en) | 2020-10-20 | 2020-10-20 | Refrigerating and freezing device |
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| CN (1) | CN213778317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130987A1 (en) * | 2022-01-07 | 2023-07-13 | 青岛海尔电冰箱有限公司 | Refrigerator |
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2020
- 2020-10-20 CN CN202022341799.4U patent/CN213778317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130987A1 (en) * | 2022-01-07 | 2023-07-13 | 青岛海尔电冰箱有限公司 | Refrigerator |
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