CN210801758U - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
- Publication number
- CN210801758U CN210801758U CN201921211687.8U CN201921211687U CN210801758U CN 210801758 U CN210801758 U CN 210801758U CN 201921211687 U CN201921211687 U CN 201921211687U CN 210801758 U CN210801758 U CN 210801758U
- Authority
- CN
- China
- Prior art keywords
- evaporator
- micro
- refrigerator
- cavity
- cavity structure
- 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
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model provides a refrigerator, it possesses: an evaporator; a fan arranged above the evaporator and guiding the air flowing through the evaporator to each part of the refrigerator, and a heater arranged below the evaporator and heating and defrosting the evaporator; a cooling duct that conveys air blown out by the fan to each compartment; the return air duct returns the air passing through each compartment to the evaporator; a micro-cavity structure for returning air blown by the fan to the evaporator without passing through each compartment; the first baffle is arranged at the joint of the refrigerating air duct and the micro-cavity structure and can be switched between a first position and a second position, the first position is a position capable of closing the refrigerating air duct, and the second position is a position capable of closing the micro-cavity structure. According to the utility model discloses a refrigerator can reduce the defrosting time, reduces the energy consumption.
Description
Technical Field
The utility model relates to a refrigerator especially relates to one kind and can reduce the refrigerator of defrosting time, reduction energy consumption.
Background
The prior art refrigerator 900 includes a refrigeration state (fig. 10) and a defrosting state (fig. 11), the refrigeration state has corresponding air-out and air-return paths to form an air path loop, a corresponding defrosting device is also needed in the corresponding defrosting state, generally, a defrosting heater is directly powered on in the market, natural static defrosting is performed by radiating or conducting heat to the surface of an evaporator under the action of heat of the heater (fig. 11), because of static defrosting, the power-on heat of the heater 910 is firstly transferred to a position a at the bottom of the evaporator 920, then transferred to a position b through heat, and finally transferred to a position c through natural convection because of no air circulation, the required defrosting time is relatively long, and thus, the increase of power consumption is inevitably caused.
In patent document 1, a partition body is used to divide a part of a supply air path to increase thermal resistance between a cooling chamber and a storage chamber, a 1 st opening, a 2 nd opening, and a supply air path shutter are closed to prevent warm air from entering the supply air path during heating, a compressor is opened in a 2 nd precooling step, the 1 st opening is closed, the 2 nd opening is opened, a blower 30 blows air to adjust air temperatures of a space portion 14 and a cooling chamber 13, and a natural convection method is still used in a defrosting process, so that defrosting efficiency cannot be improved.
Documents of the prior art
Patent document
Patent document 1: chinese patent application 201380011040.X
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a refrigerator which can reduce defrosting time and energy consumption.
The utility model discloses a refrigerator, its characterized in that possesses: the disclosed device is provided with: an evaporator; a fan disposed above the evaporator to guide air flowing through the evaporator to various portions of the refrigerator, and a heater disposed below the evaporator to heat and defrost the evaporator; a cooling duct that conveys air blown out by the fan to each compartment; a return air duct for returning air passing through each of the compartments to the evaporator; a micro-cavity structure that returns air blown out via the fan to the evaporator without passing through the respective compartments; the first baffle is arranged at the joint of the refrigerating air duct and the micro-cavity structure and can be switched between a first position and a second position, the first position is a position capable of closing the refrigerating air duct, and the second position is a position capable of closing the micro-cavity structure.
According to the utility model discloses a refrigerator, owing to form the air flow path between evaporimeter and microcavity structure during the defrosting, consequently can accelerate the heat exchange, reduce the defrosting time, energy consumption when reducing the defrosting.
In addition, in the refrigerator of the present invention, preferably, the evaporator is disposed in the evaporator cavity, and the micro-cavity structure is formed by an interval between the evaporator cavity and the micro-cavity. According to the structure, the original structure of the refrigerator is slightly changed, the defrosting time can be shortened, and the energy consumption during defrosting is reduced.
Additionally, the utility model discloses an in the refrigerator, preferably, still possess the second baffle, set up in the return air wind channel with the junction of microcavity structure can switch between third position and fourth position, the third position can be closed the position in return air wind channel, the fourth position can be closed the position of microcavity structure. According to the structure, cold air can be prevented from entering the micro-cavity structure, and hot air is prevented from flowing back to the return air duct during defrosting, so that defrosting time is further shortened, and energy consumption during defrosting is reduced.
In addition, the utility model discloses an in the refrigerator, preferably, when refrigerating, will first baffle switches to the second position, will the second baffle switches to the fourth position, when defrosting, will first baffle switches to the first position, will the second baffle switches to the third position. According to such a configuration, during cooling, the cold air is sent to each compartment through the cooling air duct and the cold air is not blown to the micro-cavity structure, and during defrosting, the air circulates in the evaporation chamber and the micro-cavity structure and is not blown to the cooling air duct, so that the defrosting time can be further reduced, and the energy consumption during defrosting can be reduced.
In addition, in the refrigerator of the present invention, preferably, the evaporator cavity and the micro-cavity are close to each other in the vertical direction, so as to form the micro-cavity structure. According to the structure, the original structure of the refrigerator is slightly changed, the defrosting time can be shortened, and the energy consumption during defrosting is reduced.
In addition, in the refrigerator of the present invention, preferably, the side of the evaporator cavity and the side of the microcavity cavity are fixed and sealed by a sealing member. According to this structure, the cold air can be prevented from flowing into the microcavity structure during cooling, and the air in the microcavity can be prevented from leaking during defrosting.
In addition, in the refrigerator of the present invention, preferably, the micro-cavity structure is integrally provided along a front surface of the evaporator. With this configuration, the defrosting uniformity can be increased.
In the refrigerator of the present invention, it is preferable that the first shutter or the second shutter is forcibly operated once within a predetermined time. With this configuration, the first baffle or the second baffle can be effectively prevented from freezing.
Additionally, the utility model discloses an in the refrigerator, preferably, when there are a plurality of refrigeration wind channels, to with the refrigeration wind channel that the microcavity structure does not intersect, close its air door when the defrosting. With this configuration, the air heated during defrosting can be prevented from being sent to another cooling air duct.
In addition, in the refrigerator of the present invention, preferably, the fan is continuously operated during defrosting. According to the structure, the circulation of air is quickened during defrosting, so that the defrosting time is shortened, and the energy consumption during defrosting is reduced.
Effect of the utility model
According to the utility model discloses a refrigerator can reduce the defrosting time, reduces the energy consumption.
Drawings
Fig. 1 is a front view showing a freezing chamber portion of a refrigerator according to the present invention.
Fig. 2 is a cross-sectional view of the refrigerator of the present invention shown in fig. 1 taken along the line W-W.
Fig. 3 is a schematic view showing a cooling air supply path of the refrigerator of the present invention shown in fig. 2.
Fig. 4 is a schematic view showing a defrosting air supply path of the refrigerator of the present invention shown in fig. 2.
Fig. 5 is a front view showing a micro-cavity structure of a refrigerator according to the present invention.
Fig. 6 is a cross-sectional view of the refrigerator of the present invention shown in fig. 5 taken along the X-X line.
Fig. 7 is a cross-sectional view of the refrigerator of fig. 5 taken along the Y-Y line.
Fig. 8 is a split perspective view of the structure of the junction between the refrigeration duct and the micro-cavity structure of the refrigerator of the present invention.
Fig. 9 is a perspective view showing the structure of the junction between the return air duct and the micro-cavity structure of the refrigerator according to the present invention.
Fig. 10 is a schematic view showing a cooling air blowing path of a related art refrigerator.
Fig. 11 is a schematic view illustrating a defrosting state of a related art refrigerator.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Hereinafter, preferred embodiments of a refrigerator according to the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or corresponding portions are denoted by the same reference numerals, and redundant description is omitted.
Fig. 1 is a front view showing a freezing chamber portion of a refrigerator according to the present invention. Fig. 2 is a cross-sectional view of the refrigerator of the present invention shown in fig. 1 taken along the line W-W. Fig. 3 is a schematic view showing a cooling air supply path of the refrigerator of the present invention shown in fig. 2. Fig. 4 is a schematic view showing a defrosting air supply path of the refrigerator of the present invention shown in fig. 2.
A freezer compartment of a refrigerator 100 shown in FIG. 1 has drawers 101-103. An evaporator 10 is provided at the back of the freezing chamber. As shown in fig. 2 to 4, the refrigerator 100 of the present invention includes: an evaporator 10; a fan 20 disposed above the evaporator 10 to guide air passing through the evaporator 10 to various portions of the refrigerator; a heater 30 disposed below the evaporator 10 to heat and defrost the evaporator 10; a cooling air duct 40 that conveys air blown out by the fan 20 to each compartment; a return air duct 50 for returning air passing through each compartment to the evaporator 10; a micro-cavity structure 60 for returning the air blown out by the fan 20 to the evaporator 10 without passing through each compartment; and a first shutter 61 provided at a junction between the cooling air duct 40 and the microcavity structure 60 and switchable between a first position 71 and a second position 72, the first position 71 being a position at which the cooling air duct 40 can be closed, and the second position 72 being a position at which the microcavity structure 60 can be closed. Here, the junction of the cooling air duct 40 and the micro-cavity structure 60 refers to a position where the cold air flowing through the evaporator can be branched from the cooling air duct 40 to the micro-cavity structure 60 without a baffle.
Specifically, in the cooling mode shown in fig. 3, the cool air flowing through the evaporator 10 is guided to each compartment through the cooling air duct 40 by the fan 20 (hollow arrows in fig. 3), passes through each compartment, and then returns to the evaporator 10 through the return air duct 50 (solid arrows in fig. 3). In the defrosting mode shown in fig. 4, the cold air flowing through the evaporator 10 is guided to the micro-cavity structure 60 by the fan 20, and returns to the evaporator 10 via the micro-cavity structure 60 (dotted arrow in fig. 4).
According to the utility model discloses a refrigerator 100, owing to form the air flow path between evaporimeter 10 and microcavity structure 60 during the defrosting, consequently can accelerate the heat exchange, reduce the defrosting time, energy consumption when reducing the defrosting.
Specifically, the evaporator 10 is disposed, for example, on the rear surface of the freezing chamber and is disposed in the evaporator cavity 11, and the micro-cavity structure 60 is formed by the interval between the evaporator cavity 11 and the micro-cavity 62. Here, the evaporator cavity 11 is, for example, a structure having a chamber capable of accommodating the evaporator 10. The evaporator chamber 11 may be fixed to a back panel of the refrigerator. The microcavity cavity 62 can be disposed along the opposite side of the evaporator cavity 11 from where the evaporator 10 is disposed, with a gap maintained between the microcavity cavity 62 and the evaporator cavity 11. Air can flow in this gap, thereby forming the microcavity structure 60. Thus, the micro-cavity structure 60 can be easily formed with little modification to the original structure of the refrigerator.
Preferably, the refrigerator 100 of the present invention further includes a second shutter 63 disposed at a junction between the return air duct 50 and the micro-cavity structure 60, and switchable between a third position 73 and a fourth position 74, wherein the third position 73 is a position where the return air duct 50 can be closed, and the fourth position 74 is a position where the micro-cavity structure 60 can be closed. According to the structure, cold air can be prevented from entering the micro-cavity structure 60, and hot air can be prevented from flowing back to the return air duct 50 during defrosting, so that defrosting time is further shortened, and energy consumption during defrosting is reduced. Here, the joint between the return air duct 50 and the micro-cavity structure 60 refers to a position where the air flowing through each compartment can be branched from the return air duct 50 to the micro-cavity structure 60 without a baffle.
In addition, in the refrigerator 100 of the present invention, it is preferable that the first shutter 61 is switched to the second position 72 and the second shutter 63 is switched to the fourth position 74 during cooling, and the first shutter 61 is switched to the first position 71 and the second shutter 63 is switched to the third position 73 during defrosting. According to such a configuration, during cooling, cold air is sent to each compartment through the cooling air duct 40 and the cold air is not blown to the micro-cavity structure 60, and during defrosting, air circulates in the evaporation chamber and the micro-cavity structure 60 and is not blown to the cooling air duct 40, so that the defrosting time can be further reduced, and energy consumption during defrosting can be reduced. In addition, as in the refrigerator shown in fig. 3, when there are a plurality of cooling air ducts 40, 40 ', the damper of the cooling air duct 40 ' is closed during defrosting for the cooling air duct 40 ' that does not intersect with the microcavity structure 60. With this configuration, the air heated during defrosting can be prevented from being sent to the other cooling air duct 40'. Further, it is preferable that the fan 20 is continuously operated during defrosting. According to the structure, the circulation of air is quickened during defrosting, so that the defrosting time is shortened, and the energy consumption during defrosting is reduced.
Fig. 5 is a front view showing a micro-cavity structure 60 of a refrigerator according to the present invention. Fig. 6 is a cross-sectional view of the refrigerator of the present invention shown in fig. 5 taken along the X-X line. Fig. 7 is a cross-sectional view of the refrigerator of fig. 5 taken along the Y-Y line.
As shown in FIG. 5, the microcavity structure 60 is disposed entirely along the front face of the evaporator 10. With this configuration, the defrosting uniformity can be increased. As shown in fig. 6 to 7, the evaporator cavity 11 and the micro-cavity 62 are disposed close to each other in the vertical direction, thereby forming the micro-cavity structure 60. The sides of the evaporator chamber 11 and the sides of the micro-chamber 62 are fixed and sealed by the sealing member 64. Specifically, the combination of the micro-cavity 62 and the evaporator cavity 11 can be fixed by the clips 12,13 outside the evaporator cavity 11, and the clips 12,13 can be integrally formed with the evaporator cavity 11. Meanwhile, a sealing sponge (sealing component 64) is attached to the joint of the microcavity 62 and the evaporator cavity 11 (the shadow part in fig. 7 is the side flanging matching structure of the microcavity 62, and the solid line is the sealing sponge of the microcavity 62 and the evaporator cavity 11), so as to form an integral sealing structure. With this configuration, the cold air can be prevented from flowing into the microcavity structure 60 during cooling, and the air in the microcavity cavity 62 can be prevented from leaking out during defrosting.
Furthermore, after the defrosting process is completed, it is still possible to maintain the air circulation in the micro-cavity structure 60 for a certain period of time to improve the temperature uniformity of the evaporator 10 and the evaporator chambers and to accelerate the cooling of the evaporator 10, while reducing the residue of water droplets in the evaporator chambers and reducing the temperature fluctuation of the refrigerating compartment after the compressor is re-operated.
Fig. 8 is a disassembled perspective view of the structure of the joint of the refrigerating duct 40 and the micro-cavity structure 60 of the refrigerator of the present invention. Fig. 9 is a perspective view of the refrigerator of the present invention showing a structure of a junction between the return air duct 50 and the micro-cavity structure 60.
As shown in fig. 8 and 9, the first baffle 61 is disposed between the micro-cavity 62 and the air duct cover 41 forming the cooling air duct 40, and the first baffle 61 can close the cooling air duct 40 or the micro-cavity structure 60 formed between the evaporator cavity 11 and the micro-cavity 62 by turning over. The second baffle 63 is disposed between the micro-cavity 62 and the return air cover 51 forming the return air duct, and the second baffle 63 can close the return air duct 50 or the micro-cavity structure 60 formed between the evaporator cavity 11 and the micro-cavity 62 by turning over. Here, a first baffle 61 is provided at the inlet of the microcavity structure 60, and a second baffle 63 is provided at the outlet of the microcavity structure 60. The first shutter 61 and the second shutter 63 may employ an automatic reverse shutter. The automatic overturning baffle has the advantages that: (1) the opening and closing of the baffle are controlled by a program, so that the automation is higher; (2) the opening and closing force of the automatic baffle is firmer, and the possibility of air leakage is prevented.
The first shutter 61 or the second shutter 63 is forcibly operated once within a predetermined time (for example, 1 hour). With such a configuration, the first shutter 61 or the second shutter 63 can be effectively prevented from freezing.
The inventor of the utility model carried out comparative experiments on the static defrosting shown in fig. 11 and the dynamic defrosting shown in fig. 4, and the experimental results are detailed in table 1. From table 1 can verify, the utility model discloses a defrosting efficiency of refrigerator compares with prior art and can improves 30% ~ 35%.
TABLE 1
According to the utility model discloses a refrigerator, owing to form the air flow path between evaporimeter 10 and microcavity structure 60 during the defrosting, consequently can accelerate the heat exchange, reduce the defrosting time, energy consumption when reducing the defrosting.
While the present invention has been described in detail in connection with the drawings and the examples, it is to be understood that the above description is not intended to limit the present invention in any way. The present invention may be modified and varied as necessary by those skilled in the art without departing from the true spirit and scope of the invention, and all such modifications and variations are intended to be included within the scope of the invention.
Claims (10)
1. A refrigerator is characterized in that a refrigerator body is provided with a refrigerator door,
the disclosed device is provided with:
an evaporator;
a fan disposed above the evaporator to guide air flowing through the evaporator to various portions of the refrigerator;
the heater is arranged below the evaporator and is used for heating and defrosting the evaporator;
a cooling duct that conveys air blown out by the fan to each compartment;
a return air duct for returning air passing through each of the compartments to the evaporator;
a micro-cavity structure that returns air blown out via the fan to the evaporator without passing through the respective compartments; and
the first baffle is arranged at the joint of the refrigerating air duct and the micro-cavity structure and can be switched between a first position and a second position, the first position is a position capable of closing the refrigerating air duct, and the second position is a position capable of closing the micro-cavity structure.
2. The refrigerator of claim 1,
the evaporator is arranged in the evaporator cavity,
the micro-cavity structure is formed by the spacing between the evaporator cavity and the micro-cavity.
3. The refrigerator according to claim 1 or 2,
the micro-cavity structure is arranged at the joint of the return air duct and the micro-cavity structure, and can be switched between a third position and a fourth position, wherein the third position can close the return air duct, and the fourth position can close the micro-cavity structure.
4. The refrigerator of claim 3,
when cooling, the first baffle is switched to the second position, the second baffle is switched to the fourth position,
and when defrosting is performed, the first baffle is switched to the first position, and the second baffle is switched to the third position.
5. The refrigerator of claim 2,
the evaporator cavity and the micro-cavity are arranged close to each other in the vertical direction, so that the micro-cavity structure is formed.
6. The refrigerator of claim 2,
the side surface of the evaporator cavity and the side surface of the micro-cavity are fixed and sealed by a sealing component.
7. The refrigerator according to claim 1 or 2,
the micro-cavity structure is integrally disposed along a front face of the evaporator.
8. The refrigerator of claim 3,
the first shutter or the second shutter is forcibly operated once within a predetermined time.
9. The refrigerator according to claim 1 or 2,
when a plurality of refrigerating air ducts exist, the air doors of the refrigerating air ducts which do not intersect with the micro-cavity structure are closed during defrosting.
10. The refrigerator according to claim 1 or 2,
during defrosting, the fan is continuously operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211687.8U CN210801758U (en) | 2019-07-30 | 2019-07-30 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211687.8U CN210801758U (en) | 2019-07-30 | 2019-07-30 | Refrigerator with a door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210801758U true CN210801758U (en) | 2020-06-19 |
Family
ID=71231365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921211687.8U Active CN210801758U (en) | 2019-07-30 | 2019-07-30 | Refrigerator with a door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210801758U (en) |
-
2019
- 2019-07-30 CN CN201921211687.8U patent/CN210801758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5867994A (en) | Dual-service evaporator system for refrigerators | |
| CN109764602A (en) | Refrigerator and its control method | |
| EP4083547A1 (en) | Refrigerator | |
| US20190271497A1 (en) | Refrigerator | |
| CN208312835U (en) | Dual system wind cooling refrigerator | |
| JPH112486A (en) | Showcase | |
| JP2008075939A (en) | Refrigerator | |
| CN210801758U (en) | Refrigerator with a door | |
| KR101408769B1 (en) | Refrigerator with Defrost Heater and Control Method thereof | |
| JP2000121230A (en) | Freezer and refrigerator | |
| CN109764603A (en) | Refrigerator and its control method | |
| JP2005195293A (en) | Refrigerator | |
| JP2019100566A (en) | refrigerator | |
| CN109990561B (en) | Refrigerator and control method thereof | |
| JPH07310972A (en) | Refrigerator | |
| JP2004069245A (en) | Refrigerator | |
| CN220624578U (en) | Cold and hot cabinet | |
| CN220624579U (en) | Cold and hot cabinet | |
| JPH08285440A (en) | Refrigerator | |
| KR100549080B1 (en) | Refrigerator | |
| KR101091004B1 (en) | Refrigerator and control method of refrigerator | |
| KR970009840B1 (en) | Cold air circulation arrangements of refrigerators | |
| JP2022069946A (en) | refrigerator | |
| KR20020021914A (en) | Defrost apparatus for refrigerator | |
| CN117847929A (en) | Fresh-keeping air duct structure for refrigerator and refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |