CN105928298A - Air duct structure of air-cooled refrigerator and control method thereof - Google Patents
Air duct structure of air-cooled refrigerator and control method thereof Download PDFInfo
- Publication number
- CN105928298A CN105928298A CN201610296035.3A CN201610296035A CN105928298A CN 105928298 A CN105928298 A CN 105928298A CN 201610296035 A CN201610296035 A CN 201610296035A CN 105928298 A CN105928298 A CN 105928298A
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- layer
- air
- air outlet
- temperature
- refrigerator compartment
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 83
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011229 interlayer Substances 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
- 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
- F25D17/065—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 with compartments at different temperatures
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- 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 relates to an air duct structure of an air-cooled refrigerator and a control method thereof. The air duct structure comprises an outer air duct, an inner air duct which is embedded in the outer air duct and coaxially arranged with the outer air duct, a motor for driving the inner air duct to rotate and temperature sensors respectively arranged in each layer of the refrigerator compartment. The outer air duct is sequentially provided with a plurality of layers of first air outlets from top to bottom. The inner air duct is sequentially provided with a plurality of layers of second air outlets from top to bottom. The first air outlet and the second air outlet which are positioned on the same layer are arranged correspondingly, and the first air outlet and the second air outlet of a plurality of layers are respectively in one-to-one correspondence with each layer of the refrigerator chamber; the first air outlets or the second air outlets are staggered along the axial direction. The invention can solve the defects in the prior art and can accurately control the temperature of each layer of the refrigerator compartment.
Description
Technical field
The present invention relates to wind cooling refrigerator technical field, be specifically related to a kind of air flue structure for frost-free refrigerator and control method thereof.
Background technology
Along with wind cooling refrigerator and the universal and application of converter technique of electronic temperature control refrigerator, the accurately control to refrigerator compartment especially cold room, temperature-changing chamber equitemperature is had higher requirement.
In the actual moving process of refrigerator, refrigerator compartment temperature is the process of a dynamic change, can fluctuate along with the start-stop of compressor.Nowadays major part refrigerator room between only arranges a temperature sensor and the air outlet of fixed size, starts simultaneously at refrigeration by whole room or stopping refrigeration controlling compartment temperature, and referenced temperature is the temperature of empty van state lower sensor position.In the case of relatively big as cold rooms such as side by side combination refrigerators, it is impossible to the temperature of each floor in room between controlling according to the service condition that user is actual, therefore, there is the temperature difference in each floor in a room and temperature is constantly fluctuation often, it is impossible to meets the requirement of accurate temperature controlling.
One solution of present stage is all to arrange air outlet in every layer of refrigerator, and the size setting every layer of air outlet according to the actual temperature of interlayer room every under empty van steady-state conditions improves temperature homogeneity.But in actual use, the article that user every layer places may differ relatively big with the state of initially setting up, and still cannot meet the temperature requirements determining every layer according to the practical situation during actually used.
Summary of the invention
It is an object of the invention to provide a kind of air flue structure for frost-free refrigerator and control method thereof, this air channel structure and control method thereof can solve the problem that the deficiencies in the prior art, can accurately control the temperature of refrigerator compartment every layer.
For achieving the above object, present invention employs techniques below scheme:
A kind of air flue structure for frost-free refrigerator, including outer air duct, embed in being arranged on outer air duct and the interior air channel of setting coaxial with outer air duct, drive in the motor that rotates of air channel and be separately positioned on the temperature sensor in each layer of refrigerator compartment.
If offering dried layer the first air outlet on described outer air duct the most successively；If offering dried layer the second air outlet on described interior air channel the most successively；The first air outlet being positioned on same layer and the corresponding setting of the second air outlet, and if dried layer the first air outlet and the second air outlet respectively with each layer one_to_one corresponding of refrigerator compartment；Between each layer the first air outlet or be axially staggered setting between each layer the second air outlet.
Further, described outer air duct and interior air channel are the hollow circuit cylinder of upper and lower both ends open.
Further, the lower end in described interior air channel is provided with motor mounting part；The output shaft of described motor is arranged on motor mounting part.
The invention still further relates to the control method of a kind of above-mentioned air flue structure for frost-free refrigerator, the method comprises the following steps:
(1) temperature threshold of refrigerator compartment is set as T；
(2) temperature value of each layer of temperature sensor Real-time Collection in each layer of refrigerator compartment, and the temperature threshold of this temperature value with refrigerator compartment is compared；
When the temperature value of the n-th layer in refrigerator compartment is more than T, in then motor drives, air channel rotates a certain angle, the first wind passage mouth and the second wind passage mouth that make n-th layer overlap, and the cold wind of blower fan blowout is entered in n-th layer freezed by the first wind passage mouth and the second wind passage mouth overlapped；
When the temperature value of this layer that the temperature sensor Real-time Collection in n-th layer arrives is less than or equal to threshold value T of refrigerator compartment, in motor drives, air channel rotates a certain angle, and makes the first wind passage mouth of n-th layer and the second wind passage mouth stagger.
From above technical scheme, the present invention carrys out the temperature value of each layer of Real-time Collection by arranging one or more temperature sensor at each layer of refrigerator compartment, when the temperature value of a certain layer is higher than the temperature threshold set, in being driven by motor, air channel turns an angle again, first wind passage mouth of this layer and the second wind passage mouth is made to overlap the air outlet as this layer, so that the cold wind of blower fan blowout enters in this layer by the air outlet of this layer, the temperature of this layer is adjusted, until the temperature value of this layer meets the temperature requirement of setting.The temperature of refrigerator compartment every layer can accurately be controlled by air channel structure of the present invention and control method thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of air channel structure；
Fig. 2 is the detonation configuration schematic diagram of air channel structure；
Fig. 3 is the front view of air channel structure；
Fig. 4 is the top view of air channel structure.
Wherein:
1, outer air duct, 2, interior air channel, 3, motor, 4, motor mounting part, the 5, first air outlet, the 6, second air outlet.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings:
A kind of air flue structure for frost-free refrigerator as Figure 1-Figure 4, including outer air duct 1, embed in being arranged on outer air duct 1 and the interior air channel 2 of setting coaxial with outer air duct 1, drive in the motor 3 that rotates of air channel 2 and be separately positioned on the temperature sensor in each layer of refrigerator compartment.
If offering dried layer the first air outlet 5 on described outer air duct 1 the most successively；If 2 offer dried layer the second air outlet 6 the most successively on described interior air channel.The first air outlet 5 being positioned on same layer and the second corresponding setting of air outlet 6, and if dried layer the first air outlet 5 and the second air outlet 6 respectively with each layer one_to_one corresponding of refrigerator compartment.Between each layer the first air outlet 5 or be axially staggered setting between each layer the second air outlet 6, say, that the second air outlet that each layer the first air outlet correspond to different axle center angles or each layer respectively correspond to different axle center angles respectively.Preferably, the first air outlet of each layer is positioned in the angle of same axle center, and the second air outlet of each layer correspond to different axle center angles respectively.Therefore, when the first air outlet needed on a certain layer and the second air outlet overlap, it is only necessary to making interior air channel drive, at motor, the angle that backspin phase inversion is corresponding, and the overlapping area of the first air outlet and the second air outlet is different, the anglec of rotation in interior air channel is the most different.By changing the first corresponding air outlet and the overlapping area of the second air outlet, it is possible to the cold wind changing blower fan generation enters into the air force of this layer, thus affects the refrigeration system regulation to this layer of temperature.
Under the driving of motor, interior air channel rotates, when corresponding the first air outlet of a certain layer of refrigerator compartment and the second air outlet overlapping area are more than 0, the part overlapped between the first air outlet and the second air outlet is entered in this layer by this air outlet as the air outlet of this layer, the cold wind that blower fan produces；Interior air channel rotates different angle, and the first corresponding air outlet is different with the area of the second air outlet coincidence, and change is the size of intake of air outlet of this layer；When corresponding the first air outlet of a certain layer of refrigerator compartment and the second air outlet overlapping area are less than 0, the air outlet of this layer is closed, and the cold wind that blower fan produces just will not enter in this layer.In actual use, the impact on temperature fluctuation of the compressor startup-shutdown can be reduced in conjunction with frequency-changeable compressor technology, makes the temperature during refrigerator whole service precisely controlled.
Further, described outer air duct 1 and interior air channel 2 are the hollow circuit cylinder of upper and lower both ends open.
Further, the lower end in described interior air channel 2 is provided with motor mounting part 4.The output shaft of described motor 3 is arranged on motor mounting part 4.Described motor 3, is used for driving interior air channel 2 to rotate.
The invention still further relates to the control method of a kind of above-mentioned air flue structure for frost-free refrigerator, the method comprises the following steps:
(1) temperature threshold of refrigerator compartment is set as T；
(2) temperature value of each layer of temperature sensor Real-time Collection in each layer of refrigerator compartment, and the temperature threshold of this temperature value with refrigerator compartment is compared；
When the temperature value of the n-th layer in refrigerator compartment is more than T, in then motor drives, air channel rotates a certain angle, the first wind passage mouth and the second wind passage mouth that make n-th layer overlap, and the cold wind of blower fan blowout is entered in n-th layer freezed by the first wind passage mouth and the second wind passage mouth overlapped；
When the temperature value of this layer that the temperature sensor Real-time Collection in n-th layer arrives is less than or equal to threshold value T of refrigerator compartment, in motor drives, air channel rotates a certain angle, and makes the first wind passage mouth of n-th layer and the second wind passage mouth stagger.
The operation principle of the lower present invention is introduced below with specific embodiment:
Assume that refrigerator compartment is of five storeys altogether, be separately installed with several temperature sensors in each layer.On outer air duct, the height according to refrigerator compartment every layer is provided with first air outlet A, B, C, D and E accordingly, and A, B, C, D and E are positioned in the angle of same axle center；Interior air channel is sequentially provided with second air outlet a, b, c, d and e corresponding with the first air outlet of each layer, and the axle center stagger angle between a and b, b and c, c and d, d and e, e and a is respectively a1, a2, a3, a4, a5.When the temperature value of this layer that the temperature sensor of the 1st layer gathers is more than temperature threshold T, in motor drives, air channel rotates to an angle, the the first air outlet A and the second air outlet a that make ground floor overlap, now, the cold wind that blower fan produces enters in the 1st layer by A Yu a overlapped, and is adjusted the temperature of the 1st layer.When the temperature value of this layer that the temperature sensor of the 1st layer gathers is less than or equal to temperature threshold T, in motor drives, air channel rotates to an angle, and makes the first air outlet A and the second air outlet a of ground floor stagger, and now, the cold wind that blower fan produces cannot be introduced in the 1st layer.When the real-time temperature values of any one layer in 2-5 layer is higher than temperature threshold T, uses the identical mode with the 1st layer, the temperature of this layer is accurately regulated.If having the real-time temperature values T0 of multilamellar simultaneously above temperature threshold T, then need first difference (T0-T) size between real-time temperature values and the temperature threshold of each layer to be compared, then further according to difference (T0-T) size, according to order from big to small, the temperature of each layer is accurately regulated.When refrigerator compartment has multilamellar temperature the most higher, can set one layer of first air-out, this layer is down to another layer air-out again after design temperature, compare with the mode of air-out while of existing, this control method will not because of one layer or which floor to freeze, all air-out while of every layer, and cause other layer of temperature too low.
Embodiment described above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (4)
1. an air flue structure for frost-free refrigerator, it is characterised in that: include outer air duct, embed be arranged in outer air duct and the interior air channel of setting coaxial with outer air duct, drive in the motor that rotates of air channel and be separately positioned on the temperature sensor in each layer of refrigerator compartment；
If offering dried layer the first air outlet on described outer air duct the most successively；If offering dried layer the second air outlet on described interior air channel the most successively；The first air outlet being positioned on same layer and the corresponding setting of the second air outlet, and if dried layer the first air outlet and the second air outlet respectively with each layer one_to_one corresponding of refrigerator compartment；Between each layer the first air outlet or be axially staggered setting between each layer the second air outlet.
A kind of air flue structure for frost-free refrigerator the most according to claim 1, it is characterised in that: described outer air duct and interior air channel are the hollow circuit cylinder of upper and lower both ends open.
A kind of air flue structure for frost-free refrigerator the most according to claim 1, it is characterised in that: the lower end in described interior air channel is provided with motor mounting part；The output shaft of described motor is arranged on motor mounting part.
4. according to the control method of the air channel structure of the wind cooling refrigerator described in claim 1 ~ 3 any one, it is characterised in that: the method comprises the following steps:
(1) temperature threshold of refrigerator compartment is set as T；
(2) temperature value of each layer of temperature sensor Real-time Collection in each layer of refrigerator compartment, and the temperature threshold of this temperature value with refrigerator compartment is compared；
When the temperature value of the n-th layer in refrigerator compartment is more than T, in then motor drives, air channel rotates a certain angle, the first wind passage mouth and the second wind passage mouth that make n-th layer overlap, and the cold wind of blower fan blowout is entered in n-th layer freezed by the first wind passage mouth and the second wind passage mouth overlapped；
When the temperature value of this layer that the temperature sensor Real-time Collection in n-th layer arrives is less than or equal to threshold value T of refrigerator compartment, in motor drives, air channel rotates a certain angle, and makes the first wind passage mouth of n-th layer and the second wind passage mouth stagger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296035.3A CN105928298B (en) | 2016-05-07 | 2016-05-07 | Air duct structure of air-cooled refrigerator and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296035.3A CN105928298B (en) | 2016-05-07 | 2016-05-07 | Air duct structure of air-cooled refrigerator and control method thereof |
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| Publication Number | Publication Date |
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| CN105928298A true CN105928298A (en) | 2016-09-07 |
| CN105928298B CN105928298B (en) | 2018-12-11 |
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| CN201610296035.3A Active CN105928298B (en) | 2016-05-07 | 2016-05-07 | Air duct structure of air-cooled refrigerator and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007041A (en) * | 2017-11-30 | 2018-05-08 | 海信（山东）冰箱有限公司 | A kind of refrigerator divides wind component and refrigerator |
| CN108072223A (en) * | 2017-11-30 | 2018-05-25 | 海信（山东）冰箱有限公司 | A kind of refrigerator divides wind component and refrigerator |
| CN109323507A (en) * | 2017-07-31 | 2019-02-12 | 合肥华凌股份有限公司 | Damper assemblies for refrigerator and the refrigerator with it |
| CN111964337A (en) * | 2020-08-18 | 2020-11-20 | 长虹美菱股份有限公司 | Air duct and control method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108007041A (en) * | 2017-11-30 | 2018-05-08 | 海信（山东）冰箱有限公司 | A kind of refrigerator divides wind component and refrigerator |
| CN108072223A (en) * | 2017-11-30 | 2018-05-25 | 海信（山东）冰箱有限公司 | A kind of refrigerator divides wind component and refrigerator |
| CN111964337A (en) * | 2020-08-18 | 2020-11-20 | 长虹美菱股份有限公司 | Air duct and control method thereof |
| CN111964337B (en) * | 2020-08-18 | 2022-03-15 | 长虹美菱股份有限公司 | Air duct and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN105928298B (en) | 2018-12-11 |
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