CN115265038B - Refrigerator air duct system - Google Patents
Refrigerator air duct system Download PDFInfo
- Publication number
- CN115265038B CN115265038B CN202210855590.0A CN202210855590A CN115265038B CN 115265038 B CN115265038 B CN 115265038B CN 202210855590 A CN202210855590 A CN 202210855590A CN 115265038 B CN115265038 B CN 115265038B
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- Prior art keywords
- air
- cover plate
- air duct
- defrosting
- refrigerator
- Prior art date
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- 238000010257 thawing Methods 0.000 claims abstract description 56
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 41
- 238000005057 refrigeration Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
- F25D21/125—Removing frost by hot-fluid circulating system separate from the refrigerant system the hot fluid being ambient air
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator air duct system, which comprises an inner container, a semiconductor refrigerating sheet and an air door device, wherein an evaporator cover plate is arranged on the rear side wall of the inner container, and a refrigerating air duct is formed between the evaporator cover plate and the rear side wall of the inner container; a mounting plate is arranged on the front side surface of the evaporator cover plate, and a defrosting air channel is formed between the mounting plate and the evaporator cover plate; the semiconductor refrigerating sheet is arranged in the mounting hole, the hot end of the semiconductor refrigerating sheet is positioned in the refrigerating air duct, and the cold end of the semiconductor refrigerating sheet is positioned in the defrosting air duct; the air door device comprises an air pipe, a fan and an air channel adjusting mechanism; a fan cover plate is arranged on the front side surface of the mounting plate, an air duct cavity is formed between the fan cover plate and the mounting plate, and a plurality of total air outlets communicated with the air duct cavity are formed on the front side surface of the fan cover plate. The system is applied to the refrigerator, the hot end of the semiconductor refrigerating sheet is defrosted in a defrosting mode, and meanwhile, the cold end refrigerates a refrigerator storage chamber, so that the constant-temperature freezing of the refrigerator is realized, and the quality and freshness of foods are ensured.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator air duct system.
Background
Along with the continuous growth of national economy in China, the living standard of people is increasingly improved, the requirements of people on the quality of foods are higher and higher, and the requirements of constant-temperature freezing are also gradually revealed.
When the circulating air passes through the refrigerating chamber in the running process of the refrigerator, the humidity of the circulating air is high, and the circulating air is easy to condense into frost on the surface of the evaporator when returning to the evaporating chamber, especially in summer, the internal frosting speed is high due to high ambient humidity, so that the timing defrosting is needed for ensuring the refrigerating effect. In the prior art, a defrosting mode of a refrigerator is generally electric heating defrosting, an electric heating pipe is arranged below an evaporator, and natural convection is formed by heating air and heat radiation of the electric heating pipe is used for defrosting the evaporator. When the refrigerator enters a defrosting mode, the compressor is closed, the electric heating pipe is electrified to work, the temperature of the refrigerating chamber is gradually increased when the refrigerator is heated and defrosted, the food storage quality is affected, and particularly the freshness of food is greatly affected.
There is a need for improvements in the art.
Disclosure of Invention
The invention aims to provide an air duct system of a refrigerator, which solves the problems that in the prior art, the temperature of a refrigerating chamber is increased in a defrosting mode of the refrigerator, the food storage quality is affected, and constant-temperature freezing cannot be guaranteed.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
the refrigerator air duct system comprises an inner container, a semiconductor refrigerating sheet and an air door device, wherein an evaporator cover plate is arranged on the rear side wall of the inner container, a refrigerating air duct is formed between the evaporator cover plate and the rear side wall of the inner container, a refrigerating air inlet is formed in the bottom of the refrigerating air duct, a refrigerating air outlet is formed in the top of the evaporator cover plate, and a mounting hole is formed in the middle of the evaporator cover plate;
a mounting plate is arranged on the front side surface of the evaporator cover plate, a defrosting air channel is formed between the mounting plate and the evaporator cover plate, a defrosting air inlet is arranged at the bottom of the defrosting air channel, and a defrosting air outlet is arranged at the top of the mounting plate;
the semiconductor refrigerating sheet is arranged in the mounting hole, the hot end of the semiconductor refrigerating sheet is positioned in the refrigerating air duct, and the cold end of the semiconductor refrigerating sheet is positioned in the defrosting air duct;
the air door device comprises an air pipe, a fan and an air channel adjusting mechanism, one end of the air pipe is connected with the refrigerating air outlet, the other end of the air pipe is connected with the defrosting air outlet, an adjusting air inlet is formed in the side wall of the air pipe, the air channel adjusting mechanism can be used for conducting a first air channel from the refrigerating air outlet to the defrosting air outlet or conducting a second air channel from the air inlet to the defrosting air outlet, the fan is arranged on the front side surface of the mounting plate, and the air inlet end of the fan faces the defrosting air outlet;
a fan cover plate is arranged on the front side surface of the mounting plate, an air duct cavity is formed between the fan cover plate and the mounting plate, and a plurality of total air outlets communicated with the air duct cavity are formed on the front side surface of the fan cover plate.
Preferably, the air duct adjusting mechanism comprises a motor, a first sealing plate matched with the air duct and a second sealing plate matched with the adjusting air inlet;
the first sealing plate is positioned in the air pipe, and two ends of the rotating shaft are respectively and rotatably arranged in the corresponding through holes;
the two sides of the second sealing plate are symmetrically provided with strip-shaped sliding rails, the top of one strip-shaped sliding rail is provided with racks along the length direction of the strip-shaped sliding rail, the outer wall of the air pipe is symmetrically provided with strip-shaped sliding grooves, the second sealing plate is arranged at the position of the adjusting air inlet, and the strip-shaped sliding rail is slidably arranged in the corresponding strip-shaped sliding groove;
the output shaft of the motor is provided with a gear, the motor is arranged in the defrosting air duct, the end part of the output shaft of the motor is connected with one end corresponding to the rotating shaft, and the gear is meshed with the rack.
Preferably, the motor rotates forward to drive the first sealing plate to turn over and seal the air pipe, and simultaneously drive the second sealing plate to slide backwards and open the adjusting air inlet to conduct the second air duct;
the motor reversal can drive the first shrouding to overturn and switch on the tuber pipe, drives the second shrouding simultaneously and slides forward and shutoff regulation air intake, makes first wind channel switch on.
Preferably, the first sealing plate is circular, and the diameter of the first sealing plate is the same as the inner diameter of the air duct.
Preferably, the section in the groove of the strip-shaped sliding groove is in a convex shape, and the section of the strip-shaped sliding rail is in a convex shape.
Preferably, a refrigerator evaporator is installed in the refrigerating air duct.
Preferably, sealing foam is arranged between the rear side wall of the liner and the evaporator cover plate, between the evaporator cover plate and the mounting plate and between the mounting plate and the fan cover plate.
Compared with the prior art, the invention has the following beneficial effects:
according to the refrigerator air duct system, defrosting is achieved through the hot end of the semiconductor refrigerating piece in the defrosting mode, meanwhile, refrigerating of the refrigerator storage chamber is achieved through the cold end, the temperature rise of the refrigerator storage chamber caused by the fact that the compressor stops working is avoided, constant-temperature freezing of the refrigerator storage chamber is achieved, and quality and freshness of food are guaranteed. In addition, the working stability is high, the service life is long, the practicability is strong, the use effect is good, and the popularization and the use are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the mounting locations of the evaporator cover plate, mounting plate and damper assembly of the present invention.
Fig. 3 is a schematic view of the structure of the evaporator cover plate of the present invention.
Fig. 4 is a schematic view of the structure of the mounting plate of the present invention.
FIG. 5 is a schematic view of the air duct structure of the present invention.
Fig. 6 is a schematic view of a first seal plate according to the present invention.
Fig. 7 is a schematic view of a second seal plate according to the present invention.
FIG. 8 is a sectional view of the sliding connection of the bar-shaped sliding rail and the bar-shaped sliding groove.
Fig. 9 is a schematic diagram of the operation of the air duct adjusting mechanism of the present invention.
FIG. 10 is a schematic view of a fan cover plate structure according to the present invention.
In the figure: 1. a semiconductor refrigeration sheet; 2. an evaporator cover plate; 3. an evaporator; 4. a refrigerating air inlet; 5. a refrigerating air outlet; 6. a mounting hole; 7. a mounting plate; 8. a defrosting air inlet; 9. defrosting air outlets; 10. an air duct; 11. a blower; 12. a motor; 13. a first sealing plate; 14. a second sealing plate; 15. a rotating shaft; 16. a through hole; 17. a bar-shaped slide rail; 18. a rack; 19. a strip-shaped chute; 20. a gear; 21. a fan cover plate; 22. and a total air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, a preferred embodiment of the present invention provides a refrigerator duct system, comprising: the refrigerator comprises a liner (not shown in the figure), a semiconductor refrigerating sheet 1 and a wind door device, wherein the liner is arranged inside a refrigerator shell, and a foaming layer is arranged between the shell and the liner.
The back side wall of the inner container is fixedly provided with an evaporator cover plate 2, a refrigerating air channel is formed between the evaporator cover plate 2 and the back side wall of the inner container, and the evaporator 3 is fixedly arranged in the refrigerating air channel. The bottom of the refrigerating air channel is provided with a refrigerating air inlet 4, and air in the refrigerator storage room can enter the refrigerating air channel through the refrigerating air inlet 4. A refrigerating air outlet 5 is arranged at the top of the evaporator cover plate 2, and cold air in the refrigerating air channel can flow out through the refrigerating air outlet 5. A mounting hole 6 is provided in the middle of the evaporator cover plate 2.
Further, in order to increase the tightness of the refrigerating air duct, a sealing foam is arranged between the rear side wall of the inner container and the evaporator cover plate 2.
As shown in fig. 4, a mounting plate 7 is fixedly mounted on the front side surface of the evaporator cover plate 2 through bolts, a defrosting air channel is formed between the mounting plate 7 and the evaporator cover plate 2, a defrosting air inlet 8 is arranged at the bottom of the defrosting air channel, and air in a refrigerator storage room can enter the defrosting air channel through the defrosting air inlet 8. A defrosting air outlet 9 is arranged at the top of the mounting plate 7, and the defrosting air outlet 9 is communicated with the defrosting air duct.
Further, in order to increase the tightness of the defrosting air duct, a sealing foam is arranged between the evaporator cover plate 2 and the mounting plate 7.
The semiconductor refrigerating sheet 1 is fixedly arranged in a mounting hole 6 in the middle of the evaporator cover plate 2, the hot end of the semiconductor refrigerating sheet 1 is positioned in a refrigerating air duct, the cold end of the semiconductor refrigerating sheet 1 is positioned in a defrosting air duct, the semiconductor refrigerating sheet 1 is electrically connected with a control system of the refrigerator, and the control system of the refrigerator controls the starting and the closing of the semiconductor refrigerating sheet 1.
As shown in fig. 6 to 9, the damper device includes an air duct 10, a fan 11, and an air duct adjusting mechanism.
The tuber pipe 10 is located the defrosting wind channel, and the one end of tuber pipe 10 is connected with refrigeration air outlet 5, and the other end of tuber pipe 10 is connected with defrosting air outlet 9, is equipped with regulation air intake 11 at the bottom lateral wall of tuber pipe 10.
The fan 11 is fixedly arranged on the front side surface of the mounting plate 7 through bolts, the air inlet end of the fan 11 faces the defrosting air outlet 9, the fan 11 is electrically connected with a control system of the refrigerator, and the control system of the refrigerator controls the starting and the closing of the fan 11.
Wherein, wind channel adjustment mechanism includes: a motor 12, a first sealing plate 13 and a second sealing plate 14.
The first sealing plate 13 is adapted to the air duct 10, specifically, the first sealing plate 13 is circular, and the diameter of the first sealing plate 13 is the same as the inner diameter of the air duct 10. A rotating shaft 15 is fixedly installed on the first sealing plate 13, specifically, the middle point of the rotating shaft 15 coincides with the center of the first sealing plate 13, and two ends of the rotating shaft 15 respectively extend out of the first sealing plate 13.
Two through holes 16 are symmetrically arranged on the side wall of the air pipe 10, the first sealing plate 13 is positioned in the air pipe 10, and two ends of the rotating shaft 15 are respectively rotatably arranged in the corresponding through holes 16. When the first sealing plate 13 is turned over in the air duct 10 to be vertical to the air duct 10, namely the first sealing plate 13 seals the air duct 10, when the first sealing plate 13 is turned over in the air duct 10 to be parallel to the air duct 10, namely the air duct 10 is conducted,
the second sealing plate 14 is matched with the adjusting air inlet 11, two sides of the second sealing plate 14 are symmetrically provided with strip-shaped sliding rails 17, the section of each strip-shaped sliding rail 17 is in a convex shape, and racks 18 are arranged at the top of one strip-shaped sliding rail 17 along the length direction of the strip-shaped sliding rail 17. The outer wall of the air pipe 10 is symmetrically provided with strip-shaped sliding grooves 19, and the section of each strip-shaped sliding groove 19 is in a convex shape.
The second sealing plate 14 is arranged at the position of the adjusting air inlet 11, the strip-shaped sliding rail 17 is slidably arranged in the corresponding strip-shaped sliding groove 19, and the adjusting air inlet 11 can be plugged or the adjusting air inlet 11 can be opened by sliding the second sealing plate 14.
The output shaft of the motor 12 is fixedly provided with a gear 20, the motor 12 is fixedly arranged in the defrosting air duct through bolts, the end part of the output shaft of the motor is fixedly connected with one end corresponding to the rotating shaft 15, and the gear 20 is meshed with the rack 18. The motor 12 is electrically connected with a control system of the refrigerator, which controls the forward rotation and the reverse rotation of the motor 12.
The motor 12 rotates positively, can drive first shrouding 13 upset and shutoff tuber pipe 10, drives second shrouding 14 backward simultaneously and slides and open and adjust air intake 11, and at this moment, the second wind channel that realizes adjusting air intake 11 to defrosting air outlet 9 switches on.
The motor 12 is reversed, so that the first sealing plate 13 can be driven to turn over and conduct the air pipe 10, and meanwhile, the second sealing plate 14 is driven to slide forwards and seal and regulate the air inlet 11, and at the moment, the conduction of the first air channel from the refrigeration air outlet 5 to the defrosting air outlet 9 is realized.
As shown in fig. 10, a fan cover plate 21 is fixedly installed on the front side surface of the mounting plate 7 through bolts, an air channel cavity is formed between the fan cover plate 21 and the mounting plate 7, a plurality of total air outlets 22 communicated with the air channel cavity are formed on the front side surface of the fan cover plate 21, and air in the air channel cavity enters the refrigerator storage chamber through the total air outlets 22.
Further, in order to increase the tightness of the air duct cavity, a sealing foam is arranged between the mounting plate 7 and the fan cover plate 21.
The system is arranged on a refrigerator, and the using process of the system is described:
in normal cooling mode: the refrigerator compressor is started, the semiconductor refrigerating sheet 1 is closed, the motor 12 is reversed, the first air duct is controlled to be conducted, and the fan 11 is started. At this time, under the action of the fan 11, air in the refrigerator storage room enters the refrigerating air duct through the refrigerating air inlet 4 to complete heat exchange with the evaporator 3, then enters the air duct cavity through the first air duct, and finally is discharged into the refrigerator storage room through the main air outlet 22 to realize refrigeration and circulation operation.
The defrosting mode is as follows: the refrigerator compressor is closed, the semiconductor refrigerating sheet 1 is opened, the motor 12 is reversed, the second air duct is controlled to be conducted, and the fan 11 is started. At this time, the heat generated by the hot end of the semiconductor refrigerating sheet 1 is used for defrosting the evaporator, the cold generated by the cold end of the semiconductor refrigerating sheet 1 reduces the air temperature in the defrosting air duct, under the action of the fan 11, the air in the refrigerator storage room enters the defrosting air duct through the defrosting air inlet 8 and completes heat exchange, then enters the air duct cavity through the second air duct, and finally is discharged into the refrigerator storage room through the total air outlet 22 to realize continuous refrigeration and circulation operation.
In summary, according to the refrigerator air duct system provided by the embodiment of the invention, defrosting is realized through the hot end of the semiconductor refrigerating sheet in the defrosting mode, meanwhile, the cold end is used for refrigerating the refrigerator storage chamber, so that the temperature rise of the refrigerator storage chamber caused by the period that the compressor stops working is avoided, the constant-temperature freezing of the refrigerator storage chamber is realized, and the quality and the freshness of foods are ensured. In addition, the working stability is high, the service life is long, the practicability is strong, the use effect is good, and the popularization and the use are convenient.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The refrigerator air duct system is characterized by comprising an inner container, a semiconductor refrigerating sheet and an air door device, wherein an evaporator cover plate is arranged on the rear side wall of the inner container, a refrigerating air duct is formed between the evaporator cover plate and the rear side wall of the inner container, a refrigerating air inlet is formed in the bottom of the refrigerating air duct, a refrigerating air outlet is formed in the top of the evaporator cover plate, and a mounting hole is formed in the middle of the evaporator cover plate;
a mounting plate is arranged on the front side surface of the evaporator cover plate, a defrosting air channel is formed between the mounting plate and the evaporator cover plate, a defrosting air inlet is arranged at the bottom of the defrosting air channel, and a defrosting air outlet is arranged at the top of the mounting plate;
the semiconductor refrigerating sheet is arranged in the mounting hole, the hot end of the semiconductor refrigerating sheet is positioned in the refrigerating air duct, and the cold end of the semiconductor refrigerating sheet is positioned in the defrosting air duct;
the air door device comprises an air pipe, a fan and an air channel adjusting mechanism, one end of the air pipe is connected with the refrigerating air outlet, the other end of the air pipe is connected with the defrosting air outlet, an adjusting air inlet is formed in the side wall of the air pipe, the air channel adjusting mechanism can be used for conducting a first air channel from the refrigerating air outlet to the defrosting air outlet or conducting a second air channel from the air inlet to the defrosting air outlet, the fan is arranged on the front side surface of the mounting plate, and the air inlet end of the fan faces the defrosting air outlet;
the air duct adjusting mechanism comprises a motor, a first sealing plate matched with the air duct and a second sealing plate matched with the adjusting air inlet;
the first sealing plate is positioned in the air pipe, and two ends of the rotating shaft are respectively and rotatably arranged in the corresponding through holes;
the two sides of the second sealing plate are symmetrically provided with strip-shaped sliding rails, the top of one strip-shaped sliding rail is provided with racks along the length direction of the strip-shaped sliding rail, the outer wall of the air pipe is symmetrically provided with strip-shaped sliding grooves, the second sealing plate is arranged at the position of the adjusting air inlet, and the strip-shaped sliding rail is slidably arranged in the corresponding strip-shaped sliding groove;
the output shaft of the motor is provided with a gear, the motor is arranged in the defrosting air duct, the end part of the output shaft of the motor is connected with one end corresponding to the rotating shaft, and the gear is meshed with the rack;
a fan cover plate is arranged on the front side surface of the mounting plate, an air duct cavity is formed between the fan cover plate and the mounting plate, and a plurality of total air outlets communicated with the air duct cavity are formed on the front side surface of the fan cover plate.
2. The refrigerator air duct system of claim 1, wherein the motor rotates forward to drive the first sealing plate to turn over and seal the air duct, and simultaneously drive the second sealing plate to slide backwards and open the adjusting air inlet to conduct the second air duct;
the motor reversal can drive the first shrouding to overturn and switch on the tuber pipe, drives the second shrouding simultaneously and slides forward and shutoff regulation air intake, makes first wind channel switch on.
3. The refrigerator duct system of claim 1, wherein the first seal plate is circular and has a diameter equal to an inner diameter of the duct.
4. The refrigerator air duct system of claim 1, wherein the cross section of the bar-shaped sliding groove is in a convex shape, and the cross section of the bar-shaped sliding rail is in a convex shape.
5. The refrigerator duct system of claim 1, wherein the refrigerator evaporator is mounted in the refrigeration duct.
6. The refrigerator air duct system of claim 1, wherein sealing foam is provided between the rear sidewall of the liner and the evaporator cover plate, between the evaporator cover plate and the mounting plate, and between the mounting plate and the fan cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210855590.0A CN115265038B (en) | 2022-07-20 | 2022-07-20 | Refrigerator air duct system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210855590.0A CN115265038B (en) | 2022-07-20 | 2022-07-20 | Refrigerator air duct system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115265038A CN115265038A (en) | 2022-11-01 |
| CN115265038B true CN115265038B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210855590.0A Active CN115265038B (en) | 2022-07-20 | 2022-07-20 | Refrigerator air duct system |
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| Country | Link |
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| CN (1) | CN115265038B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204177014U (en) * | 2014-09-11 | 2015-02-25 | 合肥华凌股份有限公司 | For slide rail type manual air door, the refrigeration ducting assembly and wind cooling refrigerator of refrigerator |
| CN106338171A (en) * | 2016-08-30 | 2017-01-18 | 青岛海尔股份有限公司 | Refrigerator |
| CN107084575A (en) * | 2017-04-24 | 2017-08-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN111503968A (en) * | 2020-04-29 | 2020-08-07 | 珠海格力电器股份有限公司 | Air-cooled refrigerator and dehumidification method thereof |
| CN113587517A (en) * | 2020-04-30 | 2021-11-02 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN215447048U (en) * | 2021-06-17 | 2022-01-07 | 珠海格力电器股份有限公司 | Defrosting module and refrigeration equipment with same |
-
2022
- 2022-07-20 CN CN202210855590.0A patent/CN115265038B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204177014U (en) * | 2014-09-11 | 2015-02-25 | 合肥华凌股份有限公司 | For slide rail type manual air door, the refrigeration ducting assembly and wind cooling refrigerator of refrigerator |
| CN106338171A (en) * | 2016-08-30 | 2017-01-18 | 青岛海尔股份有限公司 | Refrigerator |
| CN107084575A (en) * | 2017-04-24 | 2017-08-22 | 青岛海尔股份有限公司 | Refrigerator |
| CN111503968A (en) * | 2020-04-29 | 2020-08-07 | 珠海格力电器股份有限公司 | Air-cooled refrigerator and dehumidification method thereof |
| CN113587517A (en) * | 2020-04-30 | 2021-11-02 | 博西华电器（江苏）有限公司 | Refrigerating appliance |
| CN215447048U (en) * | 2021-06-17 | 2022-01-07 | 珠海格力电器股份有限公司 | Defrosting module and refrigeration equipment with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115265038A (en) | 2022-11-01 |
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