CN106895642A - The refrigeration air-supply amount control method of wind cooling refrigerator and wind cooling refrigerator - Google Patents
The refrigeration air-supply amount control method of wind cooling refrigerator and wind cooling refrigerator Download PDFInfo
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- CN106895642A CN106895642A CN201710082065.9A CN201710082065A CN106895642A CN 106895642 A CN106895642 A CN 106895642A CN 201710082065 A CN201710082065 A CN 201710082065A CN 106895642 A CN106895642 A CN 106895642A
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- Prior art keywords
- refrigeration
- blower fan
- wind cooling
- air
- cooling refrigerator
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Classifications
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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
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
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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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses the refrigeration air-supply amount control method of a kind of wind cooling refrigerator and wind cooling refrigerator, the wind cooling refrigerator includes：Refrigerating chamber, refrigeration blower fan, differential pressure pickup and control unit, the refrigeration blower fan is used for the refrigerating chamber transporting cold wind, the air outlet and return air inlet that the differential pressure pickup is located at the refrigerating chamber sentence detection return air and air-supply pressure difference p, described control unit is connected with the refrigeration blower fan and the differential pressure pickup, and is set to the rotating speed according to the pressure difference p regulations refrigeration blower fan.The wind cooling refrigerator of the embodiment of the present invention, can be conveyed to the refrigerating capacity of refrigerating chamber according to load of heat Intelligent adjustment, it is to avoid the slow situation of cooling rate is refrigerated under high load working condition and is occurred, refrigerating chamber it is of good preservation effect.
Description
Technical field
The invention belongs to refrigerator manufacturing technology field, in particular to the refrigeration of a kind of wind cooling refrigerator and wind cooling refrigerator
Air-supply amount control method.
Background technology
With socio-economic development, living standards of the people are stepped up, to the requirement of the freshness of refrigerator storage food by
Cumulative to add, multi-door refrigerator is increasingly becoming the newly emerging force in market.For single system wind cooling refrigerator, its refrigeration system only one of which position
In the evaporator in refrigerating chamber, refrigerating chamber institute chilling requirement by cold wind along the air channel being placed in refrigerating chamber take between it is indoor.
Under varying load condition, the refrigeration rotation speed of fan in correlation technique is unadjustable or program in there is no rotational speed regulation program, lead
Refrigeration is hidden air output and will not be changed substantially, causes air circulation resistance to increase because storage food increases on the contrary so as to send
Air quantity reduces, and comprehensively causes single system wind cooling refrigerator variable working condition adaptability poor, the slow situation of refrigeration cooling rate easily occurs,
Experience is had a strong impact on, there is room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention exists
In a kind of good wind cooling refrigerator of cold storage effect of proposition.
The invention allows for a kind of refrigeration air-supply amount control method of the good wind cooling refrigerator of cold storage effect.
The wind cooling refrigerator of embodiment according to a first aspect of the present invention, including：Refrigerating chamber, refrigeration blower fan, differential pressure pickup and
Control unit, the refrigeration blower fan is used for the refrigerating chamber transporting cold wind, and the differential pressure pickup is located at the refrigerating chamber
Air outlet and return air inlet sentence detection return air and air-supply pressure difference p, and described control unit is passed with the refrigeration blower fan and the pressure difference
Sensor is connected, and is set to the rotating speed according to the pressure difference p regulations refrigeration blower fan.
The wind cooling refrigerator of embodiment, can be conveyed to cold according to load of heat Intelligent adjustment according to a first aspect of the present invention
Hide the refrigerating capacity of room, it is to avoid the slow situation of cooling rate is refrigerated under high load working condition and is occurred, refrigerating chamber it is of good preservation effect.
In addition, wind cooling refrigerator according to the above embodiment of the present invention can also have following additional technical characteristic：
In some preferred embodiments of the invention, described wind cooling refrigerator also includes：Temperature sensor, the temperature
Sensor is used to detect environment temperature tw that described control unit to be connected with the temperature sensor, and is set to according to the ring
The rotating speed of the border temperature tw regulations refrigeration blower fan.
Further, the rotating speed of the refrigeration blower fan is by voltage control, and meets：U=δ+γ, δ=f1(tw), γ=f2
(tw, p), wherein U is the target voltage of the refrigeration blower fan, and δ is the initial voltage of the refrigeration blower fan, and γ is the refrigeration wind
The regulation voltage of machine.
Specifically, δ and tw positive correlations, γ and tw positive correlations, the absolute value positive correlation of γ and p.
Preferably, γ=f3(tw, β), β=p- α, wherein, α is preset pressure, and β is the actual pressure differential and default pressure of detection
Poor difference.
Specifically, α meets：-5pa≤α≤-15pa.
Preferably, the pressure difference p is to refrigerate the detected value after door opening scheduled time T.
The refrigeration air-supply amount control method of the wind cooling refrigerator of embodiment according to a second aspect of the present invention, methods described includes：
Start compressor；Determined to be conveyed to the initial air output of refrigerating chamber according to environment temperature；After refrigeration door opening scheduled time T,
Detect the pressure difference at the air outlet and return air inlet of refrigerating chamber；Determined to be conveyed to the target air output of refrigerating chamber according to the pressure difference.
It is described refrigeration air-supply amount control method had the advantage that relative to prior art with above-mentioned wind cooling refrigerator it is identical,
Will not be repeated here.
In addition, the refrigeration of wind cooling refrigerator according to the above embodiment of the present invention is blown, amount control method can also have as follows
Additional technical characteristic：
Preferably, the target air output is related to the pressure difference and the environment temperature.
Preferably, the air output for being conveyed to refrigerating chamber is controlled by the rotating speed of refrigeration blower fan, and the step is according to environment temperature
It is determined that the initial air output for being conveyed to refrigerating chamber includes determining according to environment temperature the initial speed of refrigeration blower fan, the step root
Determine that the target air output for being conveyed to refrigerating chamber includes determining according to pressure difference the rotating speed of target of refrigeration blower fan according to the pressure difference.
Preferably, the rotating speed of target of the refrigeration blower fan is controlled by the voltage of refrigeration blower fan, δ=f1(tw), γ=f2(tw,
P), U=δ+γ, wherein U are the target voltage of the refrigeration blower fan, and δ is the initial voltage of the refrigeration blower fan, and γ is described cold
Hide the regulation voltage of blower fan, γ=f2(tw, p).
Preferably, γ=f3(tw, β), β=p- α, wherein, α is preset pressure, and β is the actual pressure differential and default pressure of detection
Poor difference, α meets：-5pa≤α≤-15pa.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of wind cooling refrigerator according to embodiments of the present invention；
Fig. 2 is the flow chart of refrigeration air-supply amount control method according to embodiments of the present invention.
Reference：
Wind cooling refrigerator 100, control unit 1, differential pressure pickup 2, refrigeration blower fan 3, compressor 4, condenser 5, capillary 6,
Evaporator 7.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Wind cooling refrigerator 100 according to embodiments of the present invention is described in detail with reference first to accompanying drawing.
As shown in figure 1, wind cooling refrigerator 100 includes control unit 1, differential pressure pickup 2, refrigeration blower fan 3, compressor 4, condensation
Device 5, capillary 6, evaporator 7, refrigerating chamber and refrigerating chamber, evaporator 7, compressor 4, condenser 5 and capillary 6 are sequentially connected,
The condensing circuit of closure is formed, evaporator 7 is used to provide refrigerating capacity.
Refrigeration blower fan 3 is used for refrigerating chamber transporting cold wind, and differential pressure pickup 2 is located at the air outlet of refrigerating chamber and return air inlet
Subtract blast pressure to detect that return air and air-supply pressure difference p, pressure difference p can be equal to return air pressure, control unit 1 with refrigerate blower fan 3 and
Differential pressure pickup 2 is connected, and control unit 1 is set to the rotating speed according to pressure difference p regulation refrigeration blower fans 3.
It is understood that evaporator 7 may be mounted at refrigerating chamber, refrigeration blower fan 3 is used for the cold sky on the periphery of evaporator 7
Gas blows to refrigerating chamber by air channel, and cold air enters refrigerating chamber and flowed out from return air inlet again from the air outlet of refrigerating chamber, refrigerates blower fan 3
Rotating speed with refrigeration the direct positive correlation of air output, refrigerate blower fan 3 rotating speed it is faster, the cold blast rate into refrigerating chamber is more.
The detected value of the feedback of differential pressure pickup 2, can characterize the real-time storage capacity of refrigerating chamber, the food of refrigerating chamber storage
More, the resistance of air circulation is bigger so that the absolute value of return air and air-supply pressure difference p is bigger, and control unit 1 receives pressure difference biography
After the detected value of sensor 2, the rotating speed of blower fan 3 can be refrigerated with Intelligent adjustment, be refrigerated according to payload Intelligent adjustment so as to reach
The effect of air output, and then cause that refrigerating capacity is mutually matched with thermic load.
Wind cooling refrigerator 100 according to embodiments of the present invention, can be conveyed to refrigerating chamber according to load of heat Intelligent adjustment
Refrigerating capacity, it is to avoid the slow situation of cooling rate is refrigerated under high load working condition and is occurred, refrigerating chamber it is of good preservation effect.
In some preferred embodiments of the invention, wind cooling refrigerator 100 can also include：Temperature sensor, temperature is passed
Sensor is used to detect environment temperature tw, and control unit 1 can be connected with temperature sensor, and is set to according to environment temperature tw
The rotating speed of regulation refrigeration blower fan 3.
It is understood that control unit 1 receives the ambient temperature signal that temperature sensor is detected, further according to environment
Temperature adjustment refrigerates the rotating speed of blower fan 3, so that the wind cooling refrigerator 100 for adjusting refrigeration air output, the i.e. embodiment of the present invention can be with root
It is different according to environment temperature, refrigerating chamber thermic load amount is accurately distinguished, the purpose that precise control refrigerates air quantity is reached, accurate adjustment enters
Cold in refrigerating chamber, it is ensured that refrigeration cooling rate.
The comprehensive measured value difference of differential pressure pickup 2 of wind cooling refrigerator 100 and the residing ring of refrigerator operation of the embodiment of the present invention
Border temperature, Intelligent adjustment refrigerates the rotating speed of blower fan 3, reaches the effect that refrigeration refrigerates air output according to payload Intelligent adjustment,
And then cause that cold is mutually matched with thermic load.
Further, the rotating speed of refrigeration blower fan 3 is controlled by the voltage of refrigeration blower fan 3, and is met：U=δ+γ, δ=f1
(tw), γ=f2(tw, p), wherein U is the target voltage for refrigerating blower fan 3, and δ is the initial voltage for refrigerating blower fan 3, and γ is refrigeration
The regulation voltage of blower fan 3.
It is understood that the initial voltage δ and environment temperature tw of refrigeration blower fan 3 have mapping relations, control unit 1 is first
The initial voltage of refrigeration blower fan 3 is determined according to environment temperature tw, the regulation voltage γ and environment temperature tw and pressure difference of blower fan 3 is refrigerated
There are mapping relations in p, control unit 1 determines the regulation voltage of refrigeration blower fan 3 according to environment temperature tw and according to environment temperature tw
γ so that the virtual voltage of refrigeration blower fan 3 reaches target voltage U, can so make the rotating speed of refrigeration blower fan 3 mutual with thermic load
Matching.
Preferably, δ and tw positive correlations, referring to table 1, can determine refrigeration with reference to table 1 according to the environment temperature tw of detection
The initial voltage δ of blower fan 3, wherein, meet：The ＜ δ 6 of 4 ＜ δ of δ 1 ＜ δ, 2 ＜ δ, 3 ＜ δ 5.
The mapping table of the initial voltage δ and environment temperature tw of the refrigeration blower fan 3 of table 1
For the ease of obtaining refrigerating the regulation voltage γ of blower fan 3, preset pressure alpha, gamma=f is defined3(tw, β), β=p- α,
Wherein, α is preset pressure, and β is the difference of the actual pressure differential with preset pressure of detection, and α can meet：-5pa≤α≤-15pa.
γ and tw positive correlations, the absolute value positive correlation of γ and p, referring to table 2, can be according to the environment temperature tw and meter of detection
The pressure difference difference β of calculation simultaneously determines to refrigerate the regulation voltage γ of blower fan 3 with reference to table 2, it is preferable that satisfaction：6V<γ1<γ2<γ3<
γ4<12V。
Preferably, pressure difference p can be the detected value after refrigeration door opening scheduled time T, and so refrigeration air-supply work becomes
In stabilization, the detected value of differential pressure pickup 2 is more accurate, and the control of wind cooling refrigerator 100 is more accurate.Such as T can meet：2min≤
T≤7min, such as after refrigeration door opening 5min, system acquisition is once refrigerated and sends leeway back to, passes through gathered pressure
Final voltage (the target electricity of difference β and residing environment temperature tw de-regulations refrigeration blower fan 3 between difference p and preset pressure α
Pressure).
For example：Compressor 4 is started shooting, and refrigerates door opening, detects environment temperature for 32 DEG C, now refrigerates the first of blower fan 3
Beginning voltage δ is set as δ 4,5 minutes afterwards, and the difference β sent back between leeway and value set in advance is -5pa, then this cycle
The voltage of interior refrigeration blower fan 3 can be adjusted to U=δ 4+ γ 3.
The mapping table of the regulation voltage γ and environment temperature tw and pressure difference difference β of the refrigeration blower fan 3 of table 2
| β≤-6.5 | -4.5<β≤-6.5 | -4.5<β≤-4.5 | -2.5<β≤0 | |
| tw≤10 | γ2 | γ2 | γ1 | γ1 |
| 10<tw≤18 | γ3 | γ2 | γ1 | γ1 |
| 18<tw≤28 | γ3 | γ3 | γ2 | γ1 |
| 28<tw≤35 | γ4 | γ3 | γ3 | γ2 |
| 35<tw≤40 | γ4 | γ4 | γ3 | γ3 |
| 40<tw | γ4 | γ4 | γ4 | γ3 |
Present invention also offers a kind of refrigeration air-supply amount control method of wind cooling refrigerator 100.
As depicted in figs. 1 and 2, refrigeration air-supply amount control method includes：Start compressor 4；Determined according to environment temperature defeated
Give the initial air output of refrigerating chamber；After refrigeration door opening scheduled time T, detect at the air outlet and return air inlet of refrigerating chamber
Pressure difference；Determined to be conveyed to the target air output of refrigerating chamber according to pressure difference.
It is understood that the pressure difference at the air outlet and return air inlet of refrigerating chamber can characterize the real-time storage of refrigerating chamber
Amount, the pressure difference that the pressure difference at the air outlet and return air inlet of refrigerating chamber can be gone out by being located at the air outlet and return air inlet of refrigerating chamber is passed
Sensor 2 is measured.
The food of refrigerating chamber storage is more, and the resistance of air circulation is bigger so that the absolute value of return air and air-supply pressure difference p is got over
Greatly, the refrigeration air-supply amount control method of the embodiment of the present invention can realize the Intelligent adjustment of refrigerating chamber air output, so as to reach root
The effect of air output is refrigerated according to payload Intelligent adjustment, and then causes that refrigerating capacity is mutually matched with thermic load.
Refrigeration air-supply amount control method according to embodiments of the present invention, can be conveyed to according to load of heat Intelligent adjustment
The refrigerating capacity of refrigerating chamber, it is to avoid the slow situation of cooling rate is refrigerated under high load working condition and is occurred, refrigerating chamber it is of good preservation effect.
In some preferred embodiments of the invention, the pressure at the air outlet and return air inlet of target air output and refrigerating chamber
Difference and environment temperature are related, that is to say, that the refrigeration air-supply amount control method of the embodiment of the present invention can be according to environment temperature
Difference, accurately distinguishes refrigerating chamber thermic load amount, reaches the purpose that precise control refrigerates air quantity, and accurate adjustment enters in refrigerating chamber
Cold, it is ensured that refrigeration cooling rate.
The refrigeration air-supply amount control method synthesis return air inlet and the pressure difference and environment temperature of air outlet of the embodiment of the present invention, intelligence
Can regulation refrigeration air output, reach refrigeration according to payload Intelligent adjustment refrigerate air output effect, and then cause cold with
Thermic load is mutually matched.
Specifically, the air output for being conveyed to refrigerating chamber is controlled by the rotating speed of refrigeration blower fan 3, and step determines according to environment temperature
Being conveyed to the initial air output of refrigerating chamber includes determining according to environment temperature the initial speed of refrigeration blower fan 3, and step is according to refrigeration
Pressure difference at the air outlet and return air inlet of room determines that the target air output for being conveyed to refrigerating chamber includes the air outlet according to refrigerating chamber
With the rotating speed of target that the pressure difference at return air inlet determines refrigeration blower fan 3.
Further, the rotating speed of target of refrigeration blower fan 3 is controlled by the voltage of refrigeration blower fan 3, δ=f1(tw), γ=f2(tw,
P), U=δ+γ, wherein U are the target voltage for refrigerating blower fan 3, and δ is the initial voltage for refrigerating blower fan 3, and γ is refrigeration blower fan 3
Regulation voltage, γ=f2(tw, p).
γ=f3(tw, β), β=p- α, wherein, α is preset pressure, and β is the difference of the actual pressure differential with preset pressure of detection
Value, α meets：-5pa≤α≤-15pa.
The circular for refrigerating the target voltage U of blower fan 3 may be referred to described above and control Tables 1 and 2.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (12)
1. a kind of wind cooling refrigerator, it is characterised in that including：Refrigerating chamber, refrigeration blower fan, differential pressure pickup and control unit, it is described
Refrigeration blower fan is used for the refrigerating chamber transporting cold wind, and the differential pressure pickup is located at the air outlet and return air inlet of the refrigerating chamber
Detection return air and air-supply pressure difference p are sentenced, described control unit is connected with the refrigeration blower fan and the differential pressure pickup, and sets
It is the rotating speed according to the pressure difference p regulations refrigeration blower fan.
2. wind cooling refrigerator according to claim 1, it is characterised in that also include：Temperature sensor, the temperature sensor
For detecting environment temperature tw, described control unit is connected with the temperature sensor, and is set to according to the environment temperature
The rotating speed of the tw regulations refrigeration blower fan.
3. wind cooling refrigerator according to claim 2, it is characterised in that the rotating speed of the refrigeration blower fan by voltage control, and
Meet：U=δ+γ, δ=f1(tw), γ=f2(tw, p), wherein
U is the target voltage of the refrigeration blower fan, and δ is the initial voltage of the refrigeration blower fan, and γ is the tune of the refrigeration blower fan
Economize on electricity pressure.
4. wind cooling refrigerator according to claim 3, it is characterised in that δ and tw positive correlations, γ and tw positive correlations, γ and p's
Absolute value positive correlation.
5. wind cooling refrigerator according to claim 3, it is characterised in that γ=f3(tw, β), β=p- α, wherein, α is default
Pressure difference, β is the difference of the actual pressure differential with preset pressure of detection.
6. wind cooling refrigerator according to claim 5, it is characterised in that α meets：-5pa≤α≤-15pa.
7. wind cooling refrigerator according to claim 1, it is characterised in that the pressure difference p is refrigeration door opening scheduled time T
Detected value afterwards.
8. a kind of wind cooling refrigerator refrigeration air-supply amount control method, it is characterised in that methods described includes：
Start compressor；
Determined to be conveyed to the initial air output of refrigerating chamber according to environment temperature；
After refrigeration door opening scheduled time T, the pressure difference at the air outlet and return air inlet of refrigerating chamber is detected；
Determined to be conveyed to the target air output of refrigerating chamber according to the pressure difference.
9. the refrigeration air-supply amount control method of wind cooling refrigerator according to claim 8, it is characterised in that target air-supply
Amount is related to the pressure difference and the environment temperature.
10. wind cooling refrigerator according to claim 8 or claim 9 refrigeration air-supply amount control method, it is characterised in that be conveyed to cold
The air output for hiding room is controlled by the rotating speed of refrigeration blower fan, and the step determines that being conveyed to the initial of refrigerating chamber send according to environment temperature
Air quantity includes determining according to environment temperature the initial speed of refrigeration blower fan, and the step determines to be conveyed to refrigeration according to the pressure difference
The target air output of room includes determining according to pressure difference the rotating speed of target of refrigeration blower fan.
The refrigeration air-supply amount control method of 11. wind cooling refrigerators according to claim 10, it is characterised in that the refrigeration wind
The rotating speed of target of machine is controlled by the voltage of refrigeration blower fan, δ=f1(tw), γ=f2(tw, p), U=δ+γ, wherein
U is the target voltage of the refrigeration blower fan, and δ is the initial voltage of the refrigeration blower fan, and γ is the tune of the refrigeration blower fan
Economize on electricity pressure, γ=f2(tw, p).
The refrigeration air-supply amount control method of 12. wind cooling refrigerators according to claim 11, it is characterised in that γ=f3(tw,
β), β=p- α, wherein, α is preset pressure, and β is the difference of the actual pressure differential with preset pressure of detection, and α meets：-5pa≤α≤-
15pa。
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Cited By (7)
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| CN108106304A (en) * | 2017-11-21 | 2018-06-01 | 广州美的华凌冰箱有限公司 | Refrigerate chamber component and refrigerator |
| CN108444203A (en) * | 2018-03-30 | 2018-08-24 | 中铁第四勘察设计院集团有限公司 | A kind of temperature of ice house simultaneous monitoring system and adjusting method |
| CN109990546A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | A kind of refrigerator frost removing method and device |
| CN111238154A (en) * | 2020-02-05 | 2020-06-05 | 广东奥马冰箱有限公司 | Fan synchronization and self-adaption method, controller and air-cooling frostless refrigeration appliance |
| CN111380324A (en) * | 2018-12-28 | 2020-07-07 | 青岛海尔股份有限公司 | Refrigeration control method of refrigerator |
| CN114739103A (en) * | 2022-04-06 | 2022-07-12 | 海信（山东）冰箱有限公司 | Refrigerator and refrigerator control method |
| CN114992952A (en) * | 2022-05-30 | 2022-09-02 | 海信（山东）冰箱有限公司 | Refrigerator and control method |
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| CN108106304A (en) * | 2017-11-21 | 2018-06-01 | 广州美的华凌冰箱有限公司 | Refrigerate chamber component and refrigerator |
| CN108444203A (en) * | 2018-03-30 | 2018-08-24 | 中铁第四勘察设计院集团有限公司 | A kind of temperature of ice house simultaneous monitoring system and adjusting method |
| CN108444203B (en) * | 2018-03-30 | 2023-05-16 | 中铁第四勘察设计院集团有限公司 | Synchronous monitoring system and adjusting method for temperature of refrigeration house |
| CN111380324A (en) * | 2018-12-28 | 2020-07-07 | 青岛海尔股份有限公司 | Refrigeration control method of refrigerator |
| CN109990546A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | A kind of refrigerator frost removing method and device |
| CN111238154A (en) * | 2020-02-05 | 2020-06-05 | 广东奥马冰箱有限公司 | Fan synchronization and self-adaption method, controller and air-cooling frostless refrigeration appliance |
| CN114739103A (en) * | 2022-04-06 | 2022-07-12 | 海信（山东）冰箱有限公司 | Refrigerator and refrigerator control method |
| CN114992952A (en) * | 2022-05-30 | 2022-09-02 | 海信（山东）冰箱有限公司 | Refrigerator and control method |
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