CN216080545U - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
- Publication number
- CN216080545U CN216080545U CN202122470110.2U CN202122470110U CN216080545U CN 216080545 U CN216080545 U CN 216080545U CN 202122470110 U CN202122470110 U CN 202122470110U CN 216080545 U CN216080545 U CN 216080545U
- Authority
- CN
- China
- Prior art keywords
- air
- air duct
- defrosting
- air channel
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a refrigerator, which comprises a compartment, an evaporation bin, an air duct cavity, a defrosting air duct, a refrigerating air duct, a switching device and a controller, wherein the defrosting air duct and the refrigerating air duct are formed in the air duct cavity and are integrally arranged with an air duct cover plate; therefore, the air duct cavity is mainly required to be adjusted on the air duct cover plate, and other structures can be basically kept unchanged or do not need large change, so that the defrosting air duct is simpler to arrange.
Description
Technical Field
The utility model relates to the technical field of refrigeration equipment, in particular to a refrigerator.
Background
The refrigerator generally comprises a compartment and an evaporation bin, wherein the compartment comprises a refrigerating chamber and a freezing chamber, the refrigerator also comprises a temperature changing chamber, an evaporator is arranged in the evaporation bin, the refrigerator also comprises a refrigerating air duct, the refrigerating air duct is used for conveying cold air in the evaporation bin to the compartment, in addition, the existing refrigerator also comprises a defrosting air duct, and the additional arrangement of the defrosting air duct in the air duct of the original refrigerator is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a refrigerator, aiming at realizing the arrangement of a defrosting air channel in an air channel cavity in a simple mode so as to solve the problem that the defrosting air channel is inconvenient to arrange in the prior art.
To achieve the above object, the present invention provides a refrigerator including:
a compartment;
an evaporation bin in which an evaporator of a refrigeration system of the refrigerator is disposed;
the air channel cavity is arranged between the compartment and the evaporation bin and comprises an air channel cover plate arranged adjacent to the evaporation bin;
the defrosting air channel and the refrigerating air channel are formed in the air channel cavity and are integrally arranged with the air channel cover plate, two ends of the defrosting air channel are correspondingly communicated with the evaporation bin to form an internal circulation air channel, a heater and a fan are arranged in the internal circulation air channel, one end of the refrigerating air channel is communicated with the compartment, and the other end of the refrigerating air channel is communicated with the evaporation bin to form an external circulation air channel;
the switching device is used for switching one of the defrosting air channel and the refrigerating air channel to be communicated with the evaporation bin; and the number of the first and second groups,
and the controller is electrically connected with the refrigerating system, the switching device, the heater and the fan so as to control the refrigerating system, the switching device, the heater and the fan to work.
Optionally, an air return opening is further disposed between the compartment and the evaporation bin, and an outlet of the defrosting air duct is disposed adjacent to the air return opening.
Optionally, the outlet of the defrosting air duct is located between the air return opening and the evaporator.
Optionally, a fan housing is further arranged in the air duct cavity, the fan housing is mounted on the air duct cover plate, the fan housing is provided with a fan air inlet and a fan outlet, the air duct cover plate is provided with a through opening corresponding to the fan air inlet and communicated with the evaporation bin, and the fan is arranged in the fan housing;
inlets of the defrosting air channel and the refrigerating air channel are connected with an outlet of the fan;
the switching device switches one of the inlets of the defrosting air channel and the refrigerating air channel to be communicated with the outlet of the fan.
Optionally, the fan is a centrifugal fan, the fan air inlet is arranged at one end of the fan housing facing the air duct cover plate, and the fan outlet is arranged at the peripheral side part of the fan housing;
the refrigeration air channel and the defrosting air channel extend outwards from the peripheral side of the fan shell.
Optionally, the refrigerated air duct comprises a first refrigerated air duct;
the switching device comprises a first air door and a first driving device, wherein the first air door is movably arranged at the inlet of the defrosting air channel and the inlet of the first refrigerating air channel, and the first driving device drives the first air door to move.
Optionally, the defrosting air duct and the first cooling air duct are arranged in an intersecting manner to be connected with an outlet of the fan;
one end of the first air door is rotatably installed at the intersection of the defrosting air channel and the inlet of the first refrigerating air channel, and the inlets of the defrosting air channel and the inlet of the first refrigerating air channel are respectively closed and opened on the rotation stroke.
Optionally, an inlet of the first refrigeration air duct is communicated with the outlet of the fan, and an inlet of the defrosting air duct is arranged on a side wall of the first refrigeration air duct;
the first air door is rotatably installed on the side wall of the first refrigeration air channel and located at the opening edge of the defrosting air channel.
Optionally, a first door frame for sealing and matching the first damper is integrally formed in the inlet of the defrosting air duct and/or the first refrigerating air duct.
Optionally, the first driving device includes a first driving motor, and a motor shaft of the first driving motor is connected to the rotating shaft of the first damper.
Optionally, the number of the refrigeration air ducts is multiple, the multiple refrigeration air ducts further include a second refrigeration air duct, and an inlet of the second refrigeration air duct is communicated with an outlet of the fan;
the switching device comprises a second air door and a second driving device, wherein the second air door is movably arranged in the second refrigeration air channel, and the second driving device drives the second air door to move.
Optionally, a second door frame is formed in the second refrigeration air duct, and the second air door is rotatably installed at the second door frame; and/or the presence of a gas in the gas,
the second driving device comprises a second driving motor, and a motor shaft of the second driving motor is connected with a rotating shaft of the second air door.
Optionally, the switching device includes an air door arranged in an arc shape and slidably arranged at the periphery of the fan housing, and an air door driving device for driving the air door to slide, wherein the air door opens and closes the inlets of the refrigeration air duct and the defrosting air duct on the moving stroke of the air door.
Optionally, two refrigeration air ducts are provided, and the two refrigeration air ducts are located on two sides of the defrosting air duct;
the switching device comprises two air doors, and the two air doors are correspondingly arranged between the refrigerating air channel and the inlet of the defrosting air channel.
In the technical scheme of the utility model, the defrosting air channel and the refrigerating air channel are formed in the air channel cavity and are integrally arranged with the air channel cover plate, so that the air channel cavity is mainly required to be adjusted on the air channel cover plate, and other structures can be basically kept unchanged or do not need great change, thereby the arrangement of the defrosting air channel is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a front side view of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an air duct assembly of the refrigerator of FIG. 1;
FIG. 3 is a schematic perspective view of the first door body assembly of FIG. 2;
FIG. 4 is a schematic perspective view of the second door body assembly of FIG. 2;
fig. 5 is a schematic perspective view of a partial structure of a refrigerator according to still another embodiment of the present invention;
FIG. 6 is a partial schematic view of FIG. 5;
FIG. 7 is a schematic view of the damper and damper drive of FIG. 5;
FIG. 8 is another schematic view of FIG. 5;
fig. 9 is a schematic plan view of fig. 8.
The embodiment of the utility model is illustrated by reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Refrigerator with a |
513 | First door frame |
| 1 | |
521 | |
| 11 | |
522 | |
| 2 | |
523 | |
| 3 | |
531 | |
| 3a | Upper outlet of |
532 | Air |
| 31 | |
5321 | |
| 32 | |
5322 | |
| 33 | |
5323 | Arc- |
| 34 | |
6 | Evaporator with a |
| 4a | Defrosting |
7 | |
| 4b | Refrigerating |
81 | |
| 5 | |
82 | |
| 511 | |
83 | |
| 512 | |
84 | Blower outlet |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 to 4 illustrate an embodiment of a refrigerator provided by the present invention, and fig. 5 to 3 illustrate another embodiment of the refrigerator provided by the present invention.
Referring to fig. 1 to 4, the refrigerator 100 includes a compartment 1, an evaporation bin 2, an air duct cavity 3, a defrosting air duct 4a, a refrigerating air duct 4b, a switching device 5, and a controller (not shown).
The compartment 1 includes a refrigerating chamber and a freezing chamber, and some refrigerators 100 further include a temperature-variable chamber, and generally, the refrigerating chamber, the temperature-variable chamber, and the freezing chamber are sequentially distributed from top to bottom, and are hereinafter collectively referred to as the compartment 1.
The evaporation chamber 2 is generally disposed behind the compartment 1, i.e. between the inner container of the refrigerator 100 and the back panel of the refrigerator 100, and obviously, the design is not limited thereto, and in some embodiments, it is not excluded that the evaporation chamber 2 may be disposed on the left and right sides of the compartment 1. An evaporator 6 is arranged in the evaporation bin 2, so that air in the evaporation bin 2 is cooled through the evaporator 6, and then the cooled air is conveyed to the compartment 1, so that the compartment 1 is cooled and food materials in the compartment 1 are cooled.
The air duct cavity 3 is arranged between the compartment 1 and the evaporation bin 2, and the air duct cavity 3 comprises an air duct cover plate 31 arranged close to the evaporation bin 2.
The defrosting air duct 4a and the refrigerating air duct 4b are formed in the air duct cavity 3 and integrally arranged with the air duct cover plate 31, and specifically can be integrally arranged in a casting, stamping or injection molding manner, two ends of the defrosting air duct 4a are correspondingly communicated with the evaporation bin 2 to form an internal circulation air duct, a heater 7 and a fan 81 are arranged in the internal circulation air duct (the fan 81 is unique to the internal loop air duct and can also be common to other air ducts, and related descriptions follow up), the refrigerator 100 has a defrosting mode, and the internal circulation air duct is in a communicated state in the defrosting mode. One end of the refrigeration air duct 4b is communicated with the compartment 1 (a port communicated between the refrigeration air duct 4b and the compartment 4 is generally called an air outlet), and the other end is communicated with the evaporation bin 2 to form an external circulation air duct, the refrigerator 100 further has a refrigeration mode, in the refrigeration mode, the external circulation air duct is in a communicated state, and after the refrigeration mode is operated for a period of time, the evaporator 6 in the evaporation bin 2 is generally frosted, and then the defrosting mode needs to be started to defrost the evaporator 6.
The switching device 5 switches one of the defrosting air duct 4a and the refrigerating air duct 4b to communicate with the evaporation bin 2, and the switching device 5 may be a switch door, a sealing member, or the like, which is arranged at the defrosting air duct 4a and the refrigerating air duct 4b, and may be one or more, and the detailed description is provided in the subsequent sections.
The controller is electrically connected to the refrigeration system (including a compressor, etc.), the switching device 5, the heater 7, and the fan 81, so as to control the refrigeration system, the switching device 5, the heater 7, and the fan 81 to operate respectively.
In the technical scheme of the utility model, the defrosting air duct 4a and the refrigerating air duct 4b are formed in the air duct cavity 3 and are integrally arranged with the air duct cover plate 31, so that the air duct cavity 3 is mainly adjusted at the air duct cover plate 31, and other structures can be basically kept unchanged or do not need great change, thereby the arrangement of the defrosting air duct 4a is simpler.
In addition, in the present invention, an air return opening 11 is further disposed between the compartment 1 and the evaporation bin 2, an outlet of the defrosting air duct 4a is disposed adjacent to the air return opening 11, and the air return opening 11 is configured to enable a return air flow to be formed between the compartment 1 and the evaporation bin 2 when the refrigerator 100 is in a cooling mode, and further, in the present invention, the refrigerator 100 has a defrosting mode, in which the air return opening 11 is in an open state, and the controller is configured to control the switching device 5 to switch the defrosting air duct 4a to be communicated with the evaporation bin 2, the fan 81 and the heater 7 to be in a working state, and the cooling system to stop working.
In the technical scheme of the utility model, an air return opening 11 is further arranged between the compartment 1 and the evaporation bin 2, an outlet of a defrosting air channel 4a is arranged adjacent to the air return opening 11, when the refrigerator 100 is in a defrosting mode, because the fan 81 is started, the air flow in the internal circulation air channel moves and the pressure of the air flow is reduced, so that a pressure difference exists between the internal circulation air channel and the compartment 1, if the air return opening 11 is kept closed, the stability of the air flow in the internal circulation air channel is poor due to the pressure difference existing between the internal circulation air channel and the compartment 1, therefore, the air return opening 11 is arranged adjacent to the air return opening 11 through the outlet of the defrosting air channel 4a, the air return opening 11 is in an opened state, and in an initial defrosting stage, a part of the air flow in the air return opening 11 enters the evaporation bin 2 from the compartment 1, and converges with the airflow at the outlet of the defrosting air duct 4a until the airflow of the internal circulation air duct is stable.
In the embodiment of the present invention, the outlet of the defrosting air duct 4a is located between the air return opening 11 and the evaporator 6, so that on one hand, the air flow at the outlet of the defrosting air duct 4a is favorably merged with the air flow at the air return opening 11, and on the other hand, the air flow at the outlet of the defrosting air duct 4a passes through the evaporator 6, so as to better defrost the evaporator 6.
In an embodiment of the present invention, in order to enable each area of the evaporator 6 to blow hot air in a defrosting mode, the outlets of the defrosting air ducts 4a correspond to the middle area and the two end areas of the evaporator 6 in the length direction, and further, a plurality of outlets of the defrosting air ducts 4a are provided to respectively correspond to the middle area and the two end areas of the evaporator 6 in the length direction, so that hot air is blown to defrost through different outlets of the defrosting air ducts 4a corresponding to different areas of the evaporator 6.
As can be seen from the foregoing, one fan 81 may be provided, and the defrosting air duct 4a and the cooling air duct 4b share the fan 81, or a plurality of fans may be provided, so as to provide one fan 81 at each of the defrosting air duct 4a and the cooling air duct 4b, in an embodiment of the present invention, the defrosting air duct 4a and the cooling air duct 4b share the fan 81, specifically, the refrigerator 100 further includes a fan housing 82, the fan housing 82 is provided with a fan 81 air inlet and a fan 81 air outlet, the fan 81 is provided in the fan housing 82, the fan 81 air inlet is communicated with the evaporation bin 2, the inlets of the defrosting air duct 4a and the cooling air duct 4b are connected with the fan 81 air outlet, the switching device 5 switches one of the inlets of the defrosting air duct 4a and the cooling air duct 4b to be communicated with the fan 81 air outlet, therefore, the refrigerating air duct 4b and the defrosting air duct 4a share one fan 81, and the structure is simpler.
In the embodiment of the present invention, the refrigerator 100 further includes an air duct cavity 3 disposed between the compartment 1 and the evaporator 6 compartment, and the refrigeration air duct 4b, the defrosting air duct 4a, and the fan housing 82 are disposed in the air duct cavity 3. Further, in the embodiment of the present invention, the defrosting air duct 4a is integrally disposed with a side wall of the air duct cavity 3, so that it is not necessary to additionally dispose the defrosting air duct 4a, and obviously, in other embodiments of the present invention, the defrosting air duct 4a is installed in the air duct cavity 3.
Further, in the embodiment of the present invention, the fan 81 assembly is a centrifugal fan 81 assembly, the fan inlet 83 is disposed at one end of the fan housing 82, so that the fan housing 82 and the evaporation bin 2 can be disposed along the axial direction of the fan housing 82 to facilitate the arrangement of the fan 81 and the fan housing 82, the fan inlet 83 is disposed at the peripheral side portion of the fan housing 82, the cooling air duct 4b and the defrosting air duct 4a extend outward from the peripheral side of the fan housing 82, and the cooling air duct 4b and the defrosting air duct 4a can be disposed conveniently.
As described above, the switching device 5 may be the air door 531 and the switch, in an embodiment of the present invention, in a technical solution of the present invention, the switching device 5 includes the first door 511 movably disposed at the inlets of the defrosting air duct 4a and the first cooling air duct 4b, and the first driving device 512 for driving the first door 511 to move, a specific movable installation manner of the first door 511 is not limited, and may be sliding or rotating, a specific structure of the first driving device 512 is not limited, and may be the motor 5321 plus a transmission mechanism, or an oil cylinder and an air cylinder, etc.
Further, in the embodiment of the present invention, inlets of the defrosting air duct 4a and the first cooling air duct 4b are disposed in an intersecting manner to be connected to the fan outlet 84, one end of the first door 511 is rotatably installed at an intersection of the inlets of the defrosting air duct 4a and the first cooling air duct 4b, and the inlets of the defrosting air duct 4a and the first cooling air duct 4b are respectively closed and opened in a rotation stroke, so that the defrosting air duct 4a and the cooling air duct 4b can be opened and closed by the rotation of the first door 511, and the structure is simple and reliable.
The first driving device 512 drives the first door body 511 to rotate, where the first driving device 512 may include a motor and a transmission mechanism, so that the rotation of the first motor drives the first door body 511 to rotate through the transmission mechanism, or the motor directly drives the first door body 511 to rotate, specifically, in an embodiment of the present invention, the first driving device 512 includes a first driving motor, a motor shaft of the first driving motor is connected to a rotating shaft of the first door body 511, and the first driving motor may be, but is not limited to, a stepping motor.
Specifically, in the embodiment of the present invention, an inlet of the first cooling air duct 4b is communicated with the fan outlet 84, an inlet of the defrosting air duct 4a is disposed on a side wall of the first cooling air duct 4b, and the first door 511 is rotatably mounted on the side wall of the first cooling air duct 4b and located at an edge of the defrosting air duct 4a, so that the inlets of the defrosting air duct 4a and the cooling air duct 4b are converged to facilitate communication with the fan inlet 83 of the fan 81 assembly.
A first door frame 513 for sealing and matching the first door body 511 is integrally formed at the inlet of the defrosting air duct 4a and/or in the first cooling air duct 4b, specifically, in an embodiment of the present invention, a first door frame 513 is integrally formed at the inlet of the cooling air duct 4b, and when the first door body 511 rotates toward the inlet of the cooling air duct 4b, the first door body 511 assembly covers the first door frame 513, so that the first door frame 513 is integrally formed with the inlet of the cooling air duct 4b without additionally providing the first door frame 513, and the first door body 511 is rotatably mounted on the first door frame 513, so that the mounting structure of the first door body 511 can be simplified.
The defrosting air duct 4a and the refrigerating air duct 4b both have an annular matching surface for matching with the first door body 511, the annular matching surface is inclined upward and downward, specifically, under the condition that the refrigerating air duct 4b is provided with the first door frame 513, the first door frame 513 forms the annular matching surface of the refrigerating air duct 4b, the annular matching surface of the defrosting air duct 4a is the peripheral surface of the inlet of the defrosting air duct 4a, and the annular matching surface is inclined upward and downward to avoid the condensed water from being gathered at the annular matching surface, so as to avoid the problem that the first door body 511 is bonded due to frost.
In the embodiment of the present invention, the cooling air ducts 4b are provided in multiple numbers, the multiple cooling air ducts 4b further include a second cooling air duct 4b, an inlet of the second cooling air duct 4b is communicated with the fan outlet 84, the switching device 5 includes a second door 521 rotatably disposed on the second cooling air duct 4b, and a second driving device 522 driving the second door 521 to move, the second door 521 is specifically disposed at the position of the second cooling air duct 4b, and may be at the inlet of the second cooling air duct 4b, or at other positions of the second cooling air duct 4b, as long as it is realized that the second cooling air duct 4b can be closed and opened in a rotation stroke, the second driving device 522 drives the second door 521 to rotate, and may be that the second driving device 522 includes a motor and a transmission mechanism, the second door 521 is driven to rotate by the rotation of the motor through the transmission mechanism, or the motor directly drives the second door 521 to rotate, specifically, in an embodiment of the present invention, the second driving device 522 includes a second driving motor, a motor shaft of the second driving motor is connected to a rotating shaft of the second door 521, and the second driving motor may be, but is not limited to, a stepping motor.
Further, in the embodiment of the present invention, a second door frame 523 is formed in the second cooling air duct 4b, the second door body 521 is rotatably mounted on the second door frame 523, and more specifically, the second door frame 523 is integrally provided with an air duct wall of the second cooling air duct 4b, so that the structure of the second door body 521 assembly can be simplified. And in order to prevent the second door body 521 from being adhered to the second door frame 523, the second door frame 523 is inclined downward to prevent condensed water from being collected.
Based on the condition that the number of the cooling air ducts 4b is multiple, in the embodiment of the present invention, the refrigerator 100 further has a partition cooling mode, and in the partition cooling mode, the controller controls the first driving device 512 and the second driving device 522, so that the first cooling air duct 4b is in an open state, the second cooling air duct 4b is in a closed state, and the cooling system is in a working state, specifically, the controller controls the second driving device 522 to drive the second door 521 to be in a closed state, and controls the first driving device 512 to drive the first door 511 to open the first cooling air duct 4b, so that a partition corresponding to the first cooling air duct 4b is cooled.
In another embodiment of the present invention, referring to fig. 5 to 9, the switching device 5 includes an air door 531 disposed in an arc shape and slidably disposed on an outer periphery of the fan housing 82, and an air door driving device 532 for driving the air door 531 to slide, wherein the air door 531 opens and closes inlets of the cooling air duct 4b and the defrosting air duct 4a on a moving stroke thereof, so that the cooling air duct 4b and the defrosting air duct 4a are opened and closed by sliding of the air door 531.
In the embodiment of the present invention, a water baffle 31 is disposed in the air duct cavity 3, the water baffle 31 is located above the air door 531, and is configured to receive and discharge the condensed water above the air door 531, so as to prevent the condensed water above the air door 531 from dropping on the air door 531, for example, the condensed water is easily generated at the top wall of the air duct cavity 3, and the water baffle 31 may shield the condensed water generated at the top wall of the air duct cavity 3 from dropping on the air door 531.
Further, in the embodiment of the present invention, the air duct is provided with an air duct upper outlet 3a above the air door 531, and the air duct upper outlet 3a is communicated with the compartment 1, for this reason, during defrosting, because the air temperature in the compartment 1 is low and the air temperature in the air duct is high, for this reason, condensed water is easily generated at this place, so in the embodiment of the present invention, the water blocking plate 31 is provided between the air duct upper outlet 3a and the air door 531.
Optionally, in an embodiment of the present invention, on the basis that the air duct upper outlet 3a is disposed above the air door 531, since the air duct upper outlet 3a is communicated with the compartment 1, and condensed water is easily generated at this position, the air duct upper outlet 3a and the air door 531 may be disposed in a staggered manner, so that the condensed water at the air duct upper outlet 3a does not drop onto the air door 531.
The air door 531 is slidably disposed, and how to slide is not limited, in an embodiment of the present invention, an installation portion 32 is disposed in the air duct cavity 3, the installation portion 32 is provided with a sliding groove 33 disposed in an arc shape, the sliding groove 33 is used for slidably installing the air door 531, a drainage groove 34 is disposed at a lower end of the sliding groove 33, and the installation portion 32 may be a part of the air duct cavity 3, as in an embodiment of the present invention, the installation portion 32 is an inner side wall of the air duct cavity 3, obviously, the installation portion 32 may also be additionally disposed in the air duct cavity 3, so that no limitation is imposed thereon, this embodiment mainly aims at the sliding installation of the air door 531, and the sliding groove 33 is disposed in the air duct cavity 3 for slidably installing the air door 531, for this reason, water in the air door 531 may slide into the sliding groove 33, and once the accumulated water therein is frozen, since the slide groove 33 is bonded to the damper 531, the drain groove 34 is provided to drain the water in the slide groove 33.
In the embodiment of the present invention, the two cooling air ducts 4b are provided, the two cooling air ducts 4b are located at two sides of the defrosting air duct 4a, the switching device 5 includes two air doors 531, the two air doors 531 are correspondingly provided between the two cooling air ducts 4b and the inlet of the defrosting air duct 4a, that is, one of the air doors 531 slides between the inlet of one cooling air duct 4b and the inlet of the defrosting air duct 4a, the other air door 531 slides between the inlet of the other cooling air duct 4b and the inlet of the defrosting air duct 4a to open and close the inlets of the two cooling air ducts 4b and the inlet of the defrosting air duct 4a, the two mounting portions 32 are provided and are provided inside and outside along the periphery of the fan housing 82, so that the air doors 531 of the two air door assemblies 531 can be prevented from moving and interfering during sliding, each of the mounting portions 32 is provided with one of the sliding grooves 33, and the lower end of each of the sliding grooves 33 is provided with the drain groove 34.
The specific structure of the damper driving device 532 is not limited, and further, in the embodiment of the present invention, the damper driving device 532 includes a motor 5321, a driving gear 5322 and an arc-shaped rack structure 5323, wherein the driving gear 5322 is in driving connection with the motor 5321, may be coaxially arranged, and may also be in driving connection through an intermediate transmission connecting member, the driving gear 5322 is engaged with the arc-shaped rack structure 5323, and the arc-shaped rack structure 5323 is disposed on the damper 531.
When the compartment 1 needs to be refrigerated, the two air doors 531 are both moved to the inlets of the defrosting air ducts 4a to close the inlets of the defrosting air ducts 4a, and at this time, the inlets of the two refrigerating air ducts 4b are opened, the cool air in the evaporation bin 2 enters the compartment 1 from the two refrigerating air ducts 4b under the driving of the fan 81, when the evaporator 6 needs to be defrosted, the two air doors 531 slide to correspondingly close the inlets of the two refrigerating air ducts 4b to open the inlet of the defrosting air duct 4a, at this time, the evaporation bin 2 and the defrosting air duct 4a form an internal circulation air duct, and at this time, the evaporator 6 is closed, the heater 7 is opened, the heater 7 heats the air in the internal circulation air duct, so that the heated air flows in the internal circulation air duct under the action of the fan 81, to defrost the evaporator 6.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (14)
1. A refrigerator, characterized by comprising:
a compartment;
an evaporation bin in which an evaporator of a refrigeration system of the refrigerator is disposed;
the air channel cavity is arranged between the compartment and the evaporation bin and comprises an air channel cover plate arranged adjacent to the evaporation bin;
the defrosting air channel and the refrigerating air channel are formed in the air channel cavity and are integrally arranged with the air channel cover plate, two ends of the defrosting air channel are correspondingly communicated with the evaporation bin to form an internal circulation air channel, a heater and a fan are arranged in the internal circulation air channel, one end of the refrigerating air channel is communicated with the compartment, and the other end of the refrigerating air channel is communicated with the evaporation bin to form an external circulation air channel;
the switching device is used for switching one of the defrosting air channel and the refrigerating air channel to be communicated with the evaporation bin; and the number of the first and second groups,
and the controller controls the refrigeration system, the switching device, the heater and the fan to work.
2. The refrigerator as claimed in claim 1, wherein a return air inlet is further provided between the compartment and the evaporation chamber, and the outlet of the defrosting duct is disposed adjacent to the return air inlet.
3. The refrigerator as claimed in claim 2, wherein the outlet of the defrosting duct is located between the return air inlet and the evaporator.
4. The refrigerator of claim 1 wherein a fan housing is further disposed within the air duct cavity, the fan housing is mounted to the air duct cover plate, the fan housing has a fan inlet and a fan outlet, the air duct cover plate has a through opening corresponding to the fan inlet and communicating with the evaporation chamber, and the fan is disposed within the fan housing;
inlets of the defrosting air channel and the refrigerating air channel are connected with an outlet of the fan;
the switching device switches one of the inlets of the defrosting air channel and the refrigerating air channel to be communicated with the outlet of the fan.
5. The refrigerator of claim 4 wherein the fan is a centrifugal fan, the fan inlet is disposed at an end of the fan housing facing the duct cover, and the fan outlet is disposed at a peripheral side of the fan housing;
the refrigeration air channel and the defrosting air channel extend outwards from the peripheral side of the fan shell.
6. The refrigerator according to claim 4 or 5, wherein the cooling air duct comprises a first cooling air duct;
the switching device comprises a first air door and a first driving device, wherein the first air door is movably arranged at the inlet of the defrosting air channel and the inlet of the first refrigerating air channel, and the first driving device drives the first air door to move.
7. The refrigerator as claimed in claim 6, wherein the defrosting duct and the first cooling duct have their inlets disposed in a converging manner to be connected to an outlet of the blower fan;
one end of the first air door is rotatably installed at the intersection of the defrosting air channel and the inlet of the first refrigerating air channel, and the inlets of the defrosting air channel and the inlet of the first refrigerating air channel are respectively closed and opened on the rotation stroke.
8. The refrigerator as claimed in claim 7, wherein the inlet of the first cooling air duct is communicated with the outlet of the blower fan, and the inlet of the defrosting air duct is disposed on a side wall of the first cooling air duct;
the first air door is rotatably installed on the side wall of the first refrigeration air channel and located at the opening edge of the defrosting air channel.
9. The refrigerator as claimed in claim 8, wherein a first door frame for the first damper to be sealingly engaged with is integrally formed in the inlet of the defrosting air duct and/or the first cooling air duct.
10. The refrigerator as claimed in claim 8, wherein the first driving means includes a first driving motor, and a motor shaft of the first driving motor is connected to a rotation shaft of the first damper.
11. The refrigerator as claimed in claim 6, wherein the cooling air duct is provided in plurality, the plurality of cooling air ducts further includes a second cooling air duct, an inlet of the second cooling air duct is communicated with the outlet of the blower fan;
the switching device comprises a second air door and a second driving device, wherein the second air door is movably arranged in the second refrigeration air channel, and the second driving device drives the second air door to move.
12. The refrigerator as claimed in claim 11, wherein a second door frame is formed in the second cooling air duct, and the second damper is rotatably installed at the second door frame; and/or the presence of a gas in the gas,
the second driving device comprises a second driving motor, and a motor shaft of the second driving motor is connected with a rotating shaft of the second air door.
13. The refrigerator as claimed in claim 5, wherein the switching means includes a damper disposed in an arc shape and slidably disposed at an outer circumference of the fan housing, and a damper driving means for driving the damper to slide, the damper opening and closing inlets of the cooling duct and the defrosting duct in its moving stroke.
14. The refrigerator as claimed in claim 13, wherein the cooling air duct is provided in two, and the two cooling air ducts are located at both sides of the defrosting air duct;
the switching device comprises two air doors, and the two air doors are correspondingly arranged between the refrigerating air channel and the inlet of the defrosting air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470110.2U CN216080545U (en) | 2021-10-13 | 2021-10-13 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470110.2U CN216080545U (en) | 2021-10-13 | 2021-10-13 | Refrigerator with a door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216080545U true CN216080545U (en) | 2022-03-18 |
Family
ID=80638937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122470110.2U Active CN216080545U (en) | 2021-10-13 | 2021-10-13 | Refrigerator with a door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216080545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371325A (en) * | 2022-08-29 | 2022-11-22 | 青岛海容商用冷链股份有限公司 | Intelligent defrosting refrigerator, intelligent defrosting method, intelligent control method and intelligent control method |
-
2021
- 2021-10-13 CN CN202122470110.2U patent/CN216080545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371325A (en) * | 2022-08-29 | 2022-11-22 | 青岛海容商用冷链股份有限公司 | Intelligent defrosting refrigerator, intelligent defrosting method, intelligent control method and intelligent control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102627719B1 (en) | Refrigerator | |
| EP1642070B1 (en) | Refrigerator | |
| EP1194724B1 (en) | Refrigerator or freezer with an air flow controlling device | |
| KR102492165B1 (en) | Refrigerator | |
| CN113819696B (en) | Refrigerator and defrosting control method thereof | |
| CN216080545U (en) | Refrigerator with a door | |
| KR102190094B1 (en) | Door linded type air curtain apparatus for refrigeration warehouse | |
| CN109373673B (en) | Refrigerator with a door | |
| CN216080546U (en) | Air duct assembly of refrigerator and refrigerator | |
| CN216080544U (en) | Air duct assembly of refrigerator and refrigerator | |
| CN220321707U (en) | Air duct assembly and refrigerator | |
| CN219713760U (en) | Refrigerator and refrigerating air duct thereof | |
| CN220624579U (en) | Cold and hot cabinet | |
| CN214536997U (en) | Refrigerating and freezing device | |
| CN217465010U (en) | Refrigerator with a door | |
| CN219199642U (en) | Air-cooled refrigerator | |
| CN114688805A (en) | Air supply device for refrigerating and freezing device and refrigerating and freezing device | |
| KR20030065943A (en) | Air circulation system of side by side type Refrigerator | |
| US5899079A (en) | Damper apparatus for refrigerated vending machines with a defrost cycle | |
| KR100404467B1 (en) | Structure for cooling air supply in refrigerator | |
| KR100340056B1 (en) | Air circulation device of refrigerator | |
| CN115978862A (en) | Refrigerator and defrosting control method thereof | |
| KR20220152817A (en) | Window type air conditioner refrigerator with independent cooling system | |
| CN118103652A (en) | Refrigerator with a door | |
| CN116294351A (en) | Refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |