CN109708383B - Air duct assembly structure for air-cooled refrigerator and refrigeration control method thereof - Google Patents
Air duct assembly structure for air-cooled refrigerator and refrigeration control method thereof Download PDFInfo
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- CN109708383B CN109708383B CN201910055311.0A CN201910055311A CN109708383B CN 109708383 B CN109708383 B CN 109708383B CN 201910055311 A CN201910055311 A CN 201910055311A CN 109708383 B CN109708383 B CN 109708383B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005057 refrigeration Methods 0.000 title abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000002595 cold damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses an air duct assembly structure for an air-cooled refrigerator and a refrigeration control method thereof, and relates to the technical field of air-cooled refrigerators. The invention comprises a front cover plate, wherein a temperature sensor is arranged on one side surface of the bottom of the front cover plate, an air duct plate is fixedly arranged on the other side surface of the front cover plate, and a rear cover plate is arranged on the side surface of the air duct plate; a transverse plate is fixed on the top of the air duct plate along the width direction, and a first baffle and a second baffle are fixed in parallel on the middle of the side surface of the air duct plate along the length direction; the side edge of the front cover plate is respectively fixed with a first air plate and a second air plate along the length direction. According to the invention, the electric air door is driven to rotate according to the temperature value detected by the temperature sensor, so that the cold quantity between the middle-path air cavity and the first air supply cavity and the second air supply cavity is adjusted, three paths of combined air supply can be realized, and the air in the refrigerating chamber is uniformly circulated; and the temperature control is accurate, so that the freshness and the taste of the food are ensured.
Description
Technical Field
The invention belongs to the technical field of air-cooled refrigerators, and particularly relates to an air duct assembly structure for an air-cooled refrigerator and a refrigeration control method thereof.
Background
As the use demands of users are continuously improved, large-size and large-volume refrigerators are increasingly popular with consumers; for the refrigerator refrigerating chamber of the air-cooled refrigerator, when the width of the refrigerator is large, the traditional front air supply or side air supply structure has certain limitation, so that the temperature of a local area is easily overhigh, the temperature uniformity is poor, and the cooling speed is low; for the air-cooled refrigerator, the air flow in the refrigerating chamber circulates fully, the heat exchange temperature difference is small, the temperature is more uniform, and the smaller the temperature fluctuation is, the best fresh-keeping effect on fruits, vegetables and foods can be achieved.
In order to solve the problem of poor uniformity of the refrigerating temperature, partial products are designed and optimized for the air outlet angle of the air outlet and the like. The invention provides a refrigerating spiral air supply structure, which comprises a refrigerating chamber and a freezing chamber, wherein the refrigerating chamber comprises the refrigerating inner container, the freezing chamber is internally provided with a freezing air duct, the freezing air duct is connected with a compressor, three-side air supply air ducts are arranged outside the refrigerating inner container, the air duct comprises an air cavity, the side face, the front face and the bottom face of the air cavity are provided with air outlets, the inner side of the air cavity is provided with an air inlet, and the inner side of the air inlet is connected with the freezing air duct. The patent CN201110283152.3 discloses a refrigerator air duct structure with ternary vector air openings, which comprises an air duct cover plate connected with an air duct, wherein a universal joint steering mechanism capable of swinging along a plurality of directions is arranged on the air duct cover plate, and the air openings are arranged on the universal joint steering mechanism. The invention can realize the uniform distribution of the air quantity in the box and the uniform temperature in the box by using a small number of air outlets by realizing the vector control of the air outlets, so that the food stored in the refrigerator can obtain uniform cold. Said invention can solve the problem of poor uniformity of refrigerating temperature to a certain extent, but its design is complex, and has a certain dead angle. The air duct structure has higher cost;
therefore, the problem of uniformity of the refrigerating temperature is solved, on one hand, no air supply dead angle exists in the space of the refrigerating chamber, and on the other hand, the air port is prevented from directly blowing towards food for a long time as much as possible, otherwise, the food is easy to air-dry rapidly, and water loss is caused. When the temperature fluctuation is too large, the surface temperature of partial fruits and vegetables is easy to be too low, so that cold damage is caused, and the food fresh-keeping is unfavorable.
Disclosure of Invention
The invention aims to provide an air duct assembly structure for an air-cooled refrigerator and a refrigeration control method thereof, wherein an electric air door is driven to rotate according to a temperature value detected by a temperature sensor, so that the cold quantity between a middle-path air cavity and a first air supply cavity and a second air supply cavity is regulated, three paths of combined air supply can be realized, and air in a refrigerating chamber is uniformly circulated; and temperature control is accurate, has solved current wind channel structural design complicacy, and can not guarantee the even air supply of cold-stored room and the little problem of temperature difference fluctuation.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an air duct assembly structure for an air-cooled refrigerator, which comprises a front cover plate, wherein a temperature sensor is arranged on one side surface of the bottom of the front cover plate, an air duct plate is fixedly arranged on the other side surface of the front cover plate, and a rear cover plate is arranged on the side surface of the air duct plate;
a transverse plate is fixed on the top of the air duct plate along the width direction, and a first baffle and a second baffle are fixed in parallel on the middle of the side surface of the air duct plate along the length direction; the side edge of the front cover plate is respectively fixed with a first air plate and a second air plate along the length direction;
a middle-path air cavity is formed among the first baffle, the second baffle, the transverse plate and the rear cover plate; a first air supply cavity is formed among the first air plate, the first baffle plate, the transverse plate and the rear cover plate; a second air supply cavity is formed among the second air plate, the second baffle plate, the transverse plate and the rear cover plate;
wherein, a plurality of first side air inlets communicated with the first air supply cavity are arranged on the first air plate; a plurality of second side air inlets communicated with the second air supply cavity are formed in the second air plate; a front air outlet communicated with the middle-way air cavity is formed in the side face of the air duct plate;
a plurality of ventilation openings are formed in the front cover plate, and the ventilation openings correspond to the front air outlets;
the air duct plate is provided with a concave air dividing plate communicated with the middle-way air cavity, the concave air dividing plate and the bending part of the air duct plate form an air duct, and two ends of the air duct are respectively communicated with the first air supply cavity and the second air supply cavity; the end part of the concave air dividing plate is fixedly communicated with a rectangular frame, and an electric air door for adjusting the cold quantity of the middle-way air cavity and the ventilating duct is arranged in the rectangular frame.
Further, one end of the first air plate is connected with the transverse plate, and the other end of the first air plate is connected with the bottom end of the side plate of the concave air dividing plate.
Further, one end of the second air plate is connected with the transverse plate, and the other end of the second air plate is connected with the end of the side plate of the concave air dividing plate.
Further, an air plate is arranged on the side face of the front cover plate, a plurality of groups of air outlet holes are formed in the air plate, and each group of air outlet holes corresponds to an air ventilation opening.
Further, the concave air dividing plate comprises a bottom plate and two side plates, wherein the two side plates are symmetrically fixed on the edge of one side surface of the bottom plate, one side plate is fixedly arranged on the side surface of the first baffle, and the other side plate is fixedly arranged on the side surface of the second baffle;
one side surface of the bottom plate is positioned in the middle of the end surface of the rectangular frame.
Further, the electric air door is controlled in rotation angle through a stepping motor; and the rotation angle of the electric air door ranges from 0 to 90 degrees.
A refrigerating control method for an air duct assembly structure of an air-cooled refrigerator comprises the following steps:
setting a starting point temperature value and a closing point temperature value of a refrigerating chamber of an air-cooled refrigerator;
step two, when the temperature value of the refrigerating chamber detected by the temperature sensor is higher than the temperature value of the starting point, the stepping motor drives the electric air door to rotate, so that the cold energy passing through the rectangular frame enters the middle-way air cavity and the air duct respectively; the cold in the ventilating duct enters the first air supply cavity and the second air supply cavity respectively;
step three, in the process of temperature reduction of the refrigerating chamber, when the temperature value of the refrigerating chamber detected by the temperature sensor is smaller than the average value of the sum of the temperature value of the starting point and the temperature value of the closing point, the stepping motor drives the electric air door to rotate, so that the cold energy passing through the rectangular frame only enters the ventilating duct, and the cold energy in the ventilating duct enters the first air supply cavity and the second air supply cavity respectively;
and step four, in the process of the temperature reduction of the refrigerating chamber, when the temperature value of the refrigerating chamber detected by the temperature sensor is not more than the temperature value of the shutdown point, the stepping motor drives the electric air door to be completely closed.
Further, the fan speed when the electric air door in the second step rotates by 90 degrees is higher than the fan speed when the electric air door in the third step rotates by 30 degrees.
The invention has the following beneficial effects:
1. according to the invention, the electric air door is driven to rotate according to the temperature value detected by the temperature sensor, so that the cold quantity between the middle-path air cavity and the first air supply cavity and the second air supply cavity is adjusted, three paths of combined air supply can be realized, and the air in the refrigerating chamber is uniformly circulated; and the temperature control is accurate.
2. The invention realizes the cold energy transportation through three unique air duct structures of the middle-path air cavity, the first air supply cavity and the second air supply cavity; three paths of air are simultaneously supplied in the earlier stage of refrigerating of the refrigerating chamber, the air quantity is large, the heat exchange temperature difference is reduced, the rotating speed of a fan is reduced, the air flow rate of an air outlet is reduced, and the temperature fluctuation range is reduced within the same refrigerating time; and in the refrigerating later stage of the refrigerating chamber, the middle-way air cavity connected with the front air port is closed, only the first side air port and the second side air port are reserved for side air supply, so that food is prevented from directly bearing the air port, the distribution proportion of the refrigerating air quantity is reduced, the refrigeration can be kept to continue to cool, the efficiency of the refrigerating system is improved, and the power consumption is reduced.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of the air duct assembly structure for an air-cooled refrigerator of the present invention;
FIG. 2 is a cross-sectional view of an air duct assembly structure for an air-cooled refrigerator according to the present invention;
FIG. 3 is a schematic view of the mounting of the duct board of the present invention on the front cover plate;
in the drawings, the list of components represented by the various numbers is as follows:
the air conditioner comprises a front cover plate, a 2-temperature sensor, a 3-air duct plate, a 4-rear cover plate, a 5-middle air cavity, a 6-first air supply cavity, a 7-second air supply cavity, an 8-concave air dividing plate, a 9-rectangular frame, a 10-air plate, a 101-air permeable opening, a 301-transverse plate, a 302-first baffle plate, a 303-second baffle plate, a 304-first air plate, a 305-second air plate, a 501-front air outlet, a 601-first side air outlet, a 701-second side air outlet, a 801-air channel, a 901-electric air door and a 1001-air outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "side," "open," "bottom," "top," "middle," "edge," "width," "length," "inner," "peripheral side," and the like indicate orientations or positional relationships, merely to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, the invention discloses an air duct assembly structure for an air-cooled refrigerator, which comprises a front cover plate 1, wherein the front cover plate 1 is arranged on the back of a liner in a refrigerating chamber, a temperature sensor 2 is arranged on one side surface of the bottom of the front cover plate 1, the temperature sensor 2 is used for collecting the temperature in the refrigerating chamber and feeding back the detected temperature value to a control system, an air duct plate 3 is fixedly arranged on the other side surface of the front cover plate 1, and a rear cover plate 4 is arranged on the side surface of the air duct plate 3;
as shown in fig. 1 and 3, a transverse plate 301 is fixed on the top of the air duct plate 3 along the width direction, and a first baffle 302 and a second baffle 303 are fixed in parallel on the middle of the side surface of the air duct plate 3 along the length direction; the side edges of the front cover plate 1 are respectively fixed with a first air plate 304 and a second air plate 305 along the length direction;
a middle-way air cavity 5 is formed among the first baffle 302, the second baffle 303, the transverse plate 301 and the rear cover plate 4; a first air supply cavity 6 is formed among the first air plate 304, the first baffle 302, the transverse plate 301 and the rear cover plate 4; a second air supply cavity 7 is formed among the second air plate 305, the second baffle 303, the transverse plate 301 and the rear cover plate 4;
wherein, the first air plate 304 is provided with two first side air openings 601 communicated with the first air supply cavity 6; the second air plate 305 is provided with two second side air openings 701 communicated with the second air supply cavity 7; a front air outlet 501 communicated with the middle-way air cavity 5 is formed in the side surface of the air duct plate 3;
the front cover plate 1 is provided with two ventilation openings 101, and the ventilation openings 101 correspond to the front air outlet 501;
the air duct plate 3 is provided with a concave air dividing plate 8 communicated with the middle-way air cavity 5, the concave air dividing plate 8 and the bending part of the air duct plate 3 form an air duct 801, and two ends of the air duct 801 are respectively communicated with the first air supply cavity 6 and the second air supply cavity 7; the end part of the concave air dividing plate 8 is fixedly communicated with a rectangular frame 9, and an electric air door 901 for adjusting the cold energy of the middle-way air cavity 5 and the air channel 801 is arranged in the rectangular frame 9.
The electric air door 901 is used for controlling the opening and closing of the refrigerating air supply of the refrigerator; the control of the refrigerating temperature and the air quantity is realized by the opening and closing angles of the electric air door 901.
One end of the first air plate 304 is connected with the transverse plate 301, and the other end of the first air plate 304 is connected with the bottom end of the side plate of the concave air dividing plate 8.
One end of the second damper 305 is connected to the cross plate 301, and the other end of the second damper 305 is connected to the side plate end of the concave damper 8.
Wherein, a wind plate 10 is installed on the side surface of the front cover plate 1, a plurality of groups of wind outlet holes 1001 are opened on the wind plate 10, and each group of wind outlet holes 1001 corresponds to a wind penetration 101. The air plate 10 is a decorative mask made of metal, the metal is good in heat conductivity and used for assisting in cooling and further improving the uniformity of temperature, the air plate 10 achieves micropore air supply through the air ventilation port 101, and a diffusion cavity is arranged on the side face of the air ventilation port 101 to reduce the air outlet speed. The air duct component structure is arranged on the back surface of the inner container of the refrigerating chamber, and the rectangular frame 9 is communicated with the air supply opening at the bottom of the refrigerating chamber to form a refrigerating air supply duct system.
Wherein, the concave air dividing plate 8 comprises a bottom plate and two side plates, two side plates are symmetrically fixed on the edge of one side surface of the bottom plate, one side plate is fixedly arranged on the side surface of the first baffle 302, and the other side plate is fixedly arranged on the side surface of the second baffle 303;
wherein, a side of bottom plate is located the terminal surface middle part of rectangular frame 9, and when electronic air door 901 rotated 30 degrees, electronic air door 901 is connected with the bottom plate side of spill air distributor 8, and the cold volume that passes through rectangular frame 9 at this moment only enters into air flue 801, and the cold volume in air flue 801 enters into first air supply chamber 6 and second air supply chamber 7 respectively.
Wherein, the electric air door 901 controls the rotation angle through a stepping motor; and the rotation angle of the electric damper 901 is in the range of 0 to 90 degrees.
A refrigerating control method for an air duct assembly structure of an air-cooled refrigerator comprises the following steps:
setting a starting point temperature value and a closing point temperature value of a refrigerating chamber of an air-cooled refrigerator;
step two, when the temperature value of the refrigerating chamber detected by the temperature sensor 2 is higher than the temperature value of the starting point, the stepping motor drives the electric air door 901 to rotate 90 degrees, so that the cold energy passing through the rectangular frame 9 enters the middle-way air cavity 5 and the air duct 801 respectively; the cold in the air channel 801 enters the first air supply cavity 6 and the second air supply cavity 7 respectively;
step three, in the process of the temperature decrease of the refrigerating chamber, when the temperature value of the refrigerating chamber detected by the temperature sensor 2 is smaller than the average value of the sum of the temperature value of the starting point and the temperature value of the closing point, the stepping motor drives the electric air door 901 to rotate for 30 degrees, so that the cold energy passing through the rectangular frame 9 only enters the ventilating duct 801, and the cold energy in the ventilating duct 801 enters the first air supply cavity 6 and the second air supply cavity 7 respectively;
step four, in the process of the temperature decrease of the refrigerating chamber, when the temperature value of the refrigerating chamber detected by the temperature sensor 2 is not greater than the temperature value of the shutdown point, the stepping motor drives the electric damper 901 to be completely closed.
The fan rotation speed when the electric air door 901 rotates 90 degrees in the second step is higher than the fan rotation speed when the electric air door 901 rotates 30 degrees in the third step.
Example two
The current set temperature of the refrigerating chamber is 4 ℃, the temperature of the refrigerating chamber detected by the temperature sensor 2 is 20 ℃, the compressor operates, and the electric air door 901 rotates 90 degrees and is in a completely opened state; at this time, the cooling capacity passing through the rectangular frame 9 enters the middle-way air cavity 5 and the air channel 801 respectively; the cold in the air channel 801 enters the first air supply cavity 6 and the second air supply cavity 7 respectively; the first side air port 601, the second side air port 701 and the front air outlet 501 are all opened for air supply; the fan runs at a high speed;
and (3) controlling the start and stop of the refrigerating chamber:
starting-up temperature point: ton=set temperature +1,
shutdown temperature point: toff=ton-2,
when the set temperature is 4 ℃, the corresponding start point temperature ton=4+1=5,
the corresponding shutdown point temperature toff=5-2=3,
start-up point and stop point average temperature= (5+3)/2=4,
when the temperature of the refrigerating chamber detected by the temperature sensor 2 is reduced to 4 ℃, the opening angle of the electric air door 901 is adjusted to 30 degrees, at the moment, the cold energy passing through the rectangular frame 9 only enters the ventilating duct 801, and the cold energy in the ventilating duct 801 enters the first air supply cavity 6 and the second air supply cavity 7 respectively; the fan runs at a reduced speed;
when the temperature of the refrigerating compartment detected by the temperature sensor 2 drops to 3 deg.c, the stepping motor drives the electric damper 901 to be completely closed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. An air duct assembly structure for an air-cooled refrigerator comprises a front cover plate (1), and is characterized in that:
a temperature sensor (2) is arranged on one side surface of the bottom of the front cover plate (1), an air duct plate (3) is fixedly arranged on the other side surface of the front cover plate (1), and a rear cover plate (4) is arranged on the side surface of the air duct plate (3);
a transverse plate (301) is fixed on the top of the air duct plate (3) along the width direction, and a first baffle (302) and a second baffle (303) are fixed in parallel along the length direction in the middle of the side surface of the air duct plate (3); the side edges of the front cover plate (1) are respectively fixed with a first air plate (304) and a second air plate (305) along the length direction;
a middle-way air cavity (5) is formed among the first baffle plate (302), the second baffle plate (303), the transverse plate (301) and the rear cover plate (4); a first air supply cavity (6) is formed among the first air plate (304), the first baffle plate (302), the transverse plate (301) and the rear cover plate (4); a second air supply cavity (7) is formed among the second air plate (305), the second baffle (303), the transverse plate (301) and the rear cover plate (4);
wherein, a plurality of first side air openings (601) communicated with the first air supply cavity (6) are arranged on the first air plate (304); a plurality of second side air openings (701) communicated with the second air supply cavity (7) are formed in the second air plate (305); a front air outlet (501) communicated with the middle-way air cavity (5) is formed in the side face of the air duct plate (3);
a plurality of ventilation openings (101) are formed in the front cover plate (1), and the ventilation openings (101) correspond to the front air outlets (501);
a concave air dividing plate (8) communicated with the middle-way air cavity (5) is arranged on the air duct plate (3), an air duct (801) is formed by the concave air dividing plate (8) and the bending part of the air duct plate (3), and two ends of the air duct (801) are respectively communicated with the first air supply cavity (6) and the second air supply cavity (7); the end part of the concave air dividing plate (8) is fixedly communicated with a rectangular frame (9), and an electric air door (901) for adjusting the cold quantity of the middle-path air cavity (5) and the air duct (801) is arranged in the rectangular frame (9);
the concave air dividing plate (8) comprises a bottom plate and two side plates, wherein the two side plates are symmetrically fixed on the edge of one side surface of the bottom plate, one side plate is fixedly arranged on the side surface of the first baffle plate (302), and the other side plate is fixedly arranged on the side surface of the second baffle plate (303);
wherein one side surface of the bottom plate is positioned in the middle of the end surface of the rectangular frame (9);
the electric air door (901) is controlled in rotation angle through a stepping motor; and the rotation angle of the electric air door (901) ranges from 0 to 90 degrees.
2. The air duct assembly structure for an air-cooled refrigerator according to claim 1, wherein one end portion of the first air plate (304) is connected to the cross plate (301), and the other end portion of the first air plate (304) is connected to the bottom end of the side plate of the concave air dividing plate (8).
3. The air duct assembly structure for an air-cooled refrigerator according to claim 1, wherein one end portion of the second air plate (305) is connected to the cross plate (301), and the other end portion of the second air plate (305) is connected to the side plate end portion of the concave air dividing plate (8).
4. The air duct assembly structure for an air-cooled refrigerator according to claim 1, wherein an air plate (10) is mounted on a side surface of the front cover plate (1), a plurality of groups of air outlet holes (1001) are formed in the air plate (10), and each group of air outlet holes (1001) corresponds to an air ventilation opening (101).
5. The refrigerating control method for an air duct assembly structure of an air-cooled refrigerator according to any one of claims 1 to 4, comprising the steps of:
setting a starting point temperature value and a closing point temperature value of a refrigerating chamber of an air-cooled refrigerator;
step two, when the temperature value of the refrigerating chamber detected by the temperature sensor (2) is higher than the temperature value of the starting point, the stepping motor drives the electric air door (901) to rotate 90 degrees, so that the cold energy passing through the rectangular frame (9) respectively enters the middle-way air cavity (5) and the air duct (801); the cold in the ventilating duct (801) enters the first air supply cavity (6) and the second air supply cavity (7) respectively;
step three, in the process of temperature reduction of the refrigerating chamber, when the temperature value of the refrigerating chamber detected by the temperature sensor (2) is smaller than the average value of the sum of the temperature value of the starting point and the temperature value of the closing point, the stepping motor drives the electric air door (901) to rotate for 30 degrees, so that the cold energy passing through the rectangular frame (9) only enters the ventilating duct (801), and the cold energy in the ventilating duct (801) respectively enters the first air supply cavity (6) and the second air supply cavity (7);
and step four, in the process of cooling chamber temperature reduction, when the cooling chamber temperature value detected by the temperature sensor (2) is not more than the shutdown point temperature value, the stepping motor drives the electric air door (901) to be completely closed.
6. The method according to claim 5, wherein the fan speed of the electric damper (901) in the second step is higher than the fan speed of the electric damper (901) in the third step when rotated by 30 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910055311.0A CN109708383B (en) | 2019-01-21 | 2019-01-21 | Air duct assembly structure for air-cooled refrigerator and refrigeration control method thereof |
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| CN201910055311.0A CN109708383B (en) | 2019-01-21 | 2019-01-21 | Air duct assembly structure for air-cooled refrigerator and refrigeration control method thereof |
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| CN109708383A CN109708383A (en) | 2019-05-03 |
| CN109708383B true CN109708383B (en) | 2023-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110057155B (en) * | 2019-05-10 | 2024-04-19 | 青岛海尔制冷电器有限公司 | Modularized universal air supply device for refrigerator, refrigerator and manufacturing method of refrigerator |
| CN110081648B (en) * | 2019-05-30 | 2023-11-21 | 罗优才 | Refrigerating and heating equipment with adjustable temperature and humidity |
| CN110285628A (en) * | 2019-08-01 | 2019-09-27 | 长虹美菱股份有限公司 | A kind of refrigerator and its refrigeration control method |
| CN110332752A (en) * | 2019-08-01 | 2019-10-15 | 长虹美菱股份有限公司 | A kind of air channel structure and its refrigerator |
| CN110595133A (en) * | 2019-09-12 | 2019-12-20 | 合肥华凌股份有限公司 | Temperature control method, temperature control device, computer readable storage medium and refrigeration equipment |
| CN112525254B (en) * | 2020-11-06 | 2022-02-22 | 浙江海洋大学 | Monitoring device for tuna transportation in ultralow temperature environment |
| WO2023236277A1 (en) * | 2022-06-10 | 2023-12-14 | 合肥华凌股份有限公司 | Air duct system of refrigeration apparatus, and refrigeration apparatus |
| CN115289741A (en) * | 2022-07-01 | 2022-11-04 | 长虹美菱股份有限公司 | Wall-mounted refrigerator capable of automatically switching air paths |
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| CN209672683U (en) * | 2019-01-21 | 2019-11-22 | 长虹美菱股份有限公司 | A kind of ducting assembly structure for wind cooling refrigerator |
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2019
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| JPH1038433A (en) * | 1996-07-25 | 1998-02-13 | Sanyo Electric Co Ltd | Temperature control device for refrigerator |
| CN101458032A (en) * | 2007-12-14 | 2009-06-17 | 苏州三星电子有限公司 | Uncontinuous refrigerator refrigeration temperature fluctuation precision control method |
| CN105509400A (en) * | 2015-12-29 | 2016-04-20 | 海信（山东）冰箱有限公司 | Single-system air-cooled refrigerator |
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| CN107062750A (en) * | 2017-03-14 | 2017-08-18 | 海信（山东）冰箱有限公司 | A kind of wind cooling refrigerator and its control method |
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| CN209672683U (en) * | 2019-01-21 | 2019-11-22 | 长虹美菱股份有限公司 | A kind of ducting assembly structure for wind cooling refrigerator |
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| CN109708383A (en) | 2019-05-03 |
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