CN107084592B - A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator - Google Patents
A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator Download PDFInfo
- Publication number
- CN107084592B CN107084592B CN201710385602.7A CN201710385602A CN107084592B CN 107084592 B CN107084592 B CN 107084592B CN 201710385602 A CN201710385602 A CN 201710385602A CN 107084592 B CN107084592 B CN 107084592B
- Authority
- CN
- China
- Prior art keywords
- compressor
- revolving speed
- refrigerator
- cooling cycle
- wind cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerators, it is characterized in that: first start-stop period after wind cooling refrigerator defrost, compressor is run with higher revolving speed, second start-stop period after into defrost, compressor restores the revolving speed operation before defrost, continuous operation (N+1) calculates Homes Using TV after a start-stop period, and according to preset target Homes Using TV, determines booting next time compressor operating frequency.The present invention can timely and effectively adjust compressor refrigerating capacity according to refrigerator load variations, so that refrigerator is in ideal state operation always, can reduce the temperature inside the box fluctuation, reach the small purpose of low noise, energy consumption.
Description
Technical field
The present invention relates to a kind of wind cooling refrigerator method for controlling frequency conversion and using the refrigerator of this method, belong to refrigerator control neck
Domain.
Background technique
Freezer compressor is divided into invariable frequency compressor and frequency-changeable compressor.Invariable frequency compressor product type is abundant, technology maturation,
It is widely used, but its frequency is immutable, refrigerating capacity is definite value under certain operating condition.Frequency-changeable compressor, which can be realized, changes its revolving speed
And then change compressor refrigerating capacity, at high load conditions compressor can high-speed cruising, refrigerator can fast-refrigerating cooling, low
Compressor can maintain the slow-speed of revolution to run in the state of load or stabilization, and refrigerant system efficiency is high, effectively reduce compressor start-stop frequency
Rate makes the temperature inside the box fluctuate small, low noise.
Currently, frequency-changeable compressor in terms of the revolving speed control mainly by the way of " drawing shelves ", i.e., according to environment temperature and case
Interior temperature, compressor revolution divide different stalls, and compressor operating frequency is determined by the environment temperature and the temperature inside the box being presently in
Fixed, when refrigerator compartment temperature is higher than compartment starting point some value of temperature, compressor rotary speed can rise to some accordingly
Gear.In fact suitable compressor refrigerating capacity demand is not only related to environment temperature, further includes refrigerator load variations itself, than
Such as refrigerator open or be put into load, thus the control method be difficult to accomplish it is timely and effective when being changed by cabinet load condition
Adjustment.
A kind of refrigerator method for controlling frequency conversion of patent No. ZL 2,014 1 0065706.6 and its application elaborate that direct cooling refrigerator becomes
Frequency compressor frequency control method determines booting next time pressure by calculating the actual Homes Using TV of refrigerator and goal-selling Homes Using TV
Contracting unit frequency.Its each compartment temperature can accordingly rise after wind cooling refrigerator defrost, according to " a kind of refrigerator method for controlling frequency conversion and its answering
With " patent control method, if any compartment temperature is higher than compartment starting point temperature T1DEG C or more when, the temperature difference be Δ T1, then in time
Update revolving speed Si=S(i-1)+K1*ΔT1, (N+1) a period is run by this revolving speed, recalculates Homes Using TV ηi, i.e. wind cooling refrigerator is every
Compressor can be run after secondary defrost with high-frequency, then compressor frequency be adjusted again according to cabinet load, with wind cooling refrigerator
In the white period, the frequency of compressor is done to be adjusted repeatedly.Therefore the control method is difficult to meet wind cooling refrigerator frequency-changeable compressor frequency control
Demand processed.
From the foregoing, it will be observed that wind cooling refrigerator fails to give full play to frequency conversion when applying published frequency-changeable compressor frequency control technology
The characteristics of compressor.
Summary of the invention
To overcome existing technological deficiency, the purpose of the present invention is to provide a kind of wind cooling refrigerator method for controlling frequency conversion and its
Refrigerator makes refrigerator reach the purpose of noise reduction, energy conservation to give full play to the advantage of frequency-changeable compressor variable speed.
The present invention solves technical problem and adopts the following technical scheme that
A kind of the characteristics of wind cooling refrigerator control method for frequency of the invention is to carry out as follows:
Step 1, after wind cooling refrigerator defrost enter first cooling cycle when, enable first cooling cycle compressor turn
Speed is S(i+1), and S(i+1)=Si+K4, wherein SiFor the revolving speed of compressor before the wind cooling refrigerator defrost, K4For constant, value model
It encloses for 0-2000；
In step 2, first cooling cycle after wind cooling refrigerator defrost, compressor continuous operating time >=t1 points are judged
Whether clock is true, if so, then enable the revolving speed of first cooling cycle be updated to S(i+2), and S(i+2)=S(i+1)+K3, until the
After one cooling cycle, step 3 is executed, otherwise, directly executes step 3；Wherein, S(i+1)To update turning for preceding compressor
Speed, K3For constant, K3Value range is 0-2100；T1 value range is 20-360 minutes；
Step 3 enters second cooling cycle after wind cooling refrigerator defrost, enables the revolving speed of second cooling cycle compressor
For S(i+3), and S(i+3)=Si, and after running (N+1) a cooling cycle, execute step 4；Wherein, SiFor the wind cooling refrigerator defrost
The revolving speed of preceding compressor, N are constant, and the value range of N is 2-10 times；
Step 4, the revolving speed for enabling next cooling cycle compressor are S '(i+1), and S '(i+1)=Ki×S’iAfterwards, wherein S 'i
For (N+1) a cooling cycle revolving speed, KiFor regulation coefficient, and have:
Ki=ηi/η0 (1)
In formula (1), η0For set target Homes Using TV；ηiIt is averaged for continuous N number of start-stop period before the wind cooling refrigerator
Homes Using TV, and have:
ηi=compressor accumulated running time/total time (2)
Step 5 when second cooling cycle, judges whether any compartment temperature is higher than certainly after the wind cooling refrigerator defrost
The starting point temperature of body compartment, and temperature difference between the two is T1 DEG C of Δ, if so, enabling second cooling cycle compressor
Revolving speed is updated to S(i+2), and S(i+2)=S(i+1)+K1×ΔT1, and after running (N+1) a cooling cycle, execute step 4；Otherwise,
Execute step 6；Wherein, S(i+1)For the revolving speed for updating preceding compressor；
Step 6, after wind cooling refrigerator defrost when second cooling cycle, judge compressor continuous operating time >=t1 minutes
It is whether true, if so, then enable the revolving speed of second cooling cycle compressor be updated to S(i+2), and S(i+2)=S(i+1)+K3, and
(N+1) a cooling cycle is run, step 4 is executed；Otherwise, step 7 is executed；Wherein, S(i+1)For the revolving speed for updating preceding compressor；
Step 7 when second cooling cycle, judges whether any compartment set temperature is lowered after wind cooling refrigerator defrost,
And the temperature difference after lowering is Δ T2, if so, the revolving speed of second cooling cycle compressor is enabled to be updated to S(i+2), and S(i+2)
=S(i+1)+K2×ΔT2, and after running (N+1) a period, execute step 4；Otherwise, step 4 is directly executed；Wherein, K2It is normal
Number, value range 0-1500；S(i+1)For the revolving speed for updating preceding compressor.
The characteristics of wind cooling refrigerator method for controlling frequency conversion of the present invention, lies also in,
The regulation coefficient KiIf | Ki- 1 |≤a, then KiThe value range of=1, a are 0-0.2.
The revolving speed calculated value S(i+1)、S(i+2)、Si+3、S’(i+1)If more than compressor maximum speed, then compressor is with highest
Revolving speed operation, if revolving speed calculated value S(i+1)、S(i+2)、Si+3、S’(i+1)Less than compressor minimum speed, then compressor is with minimum turn
Speed operation.
The target Homes Using TV η0For the ideal Homes Using TV of the wind cooling refrigerator, value range 40%-100%.
A kind of the characteristics of refrigerator of the invention is the refrigerator frequency conversion using above-mentioned wind cooling refrigerator method for controlling frequency conversion.
Compared with existing technology, the beneficial effects of the present invention are embodied in:
The present invention can be increased according to the temperature inside the box after wind cooling refrigerator defrost, and load increase timely and effectively increases compressor and turns
Speed improves compressor refrigerating capacity, while can change the refrigerating capacity for timely and effectively adjusting compressor according to refrigerator actual load,
Ideal state operation is quickly entered after making refrigerator defrost, has reached the purpose for reducing energy consumption, reducing noise.
Detailed description of the invention
Fig. 1 control flow chart of the present invention；
Fig. 2 frequency-changeable compressor changed power tendency chart of the present invention.
Specific embodiment
In the present embodiment, as shown in Figure 1, a kind of wind cooling refrigerator control method for frequency, is to carry out as follows:
Step 1, after wind cooling refrigerator defrost enter first cooling cycle when, enable first cooling cycle compressor turn
Speed is Si+1, and Si+1=Si+K4, wherein SiFor the revolving speed of compressor before the wind cooling refrigerator defrost, K4For constant, value range
For 0-2000；
In step 2, first cooling cycle after wind cooling refrigerator defrost, compressor continuous operating time >=t1 points are judged
Whether clock is true, if so, then enable the revolving speed of first cooling cycle be updated to S(i+2), and S(i+2)=S(i+1)+K3, until the
It after one cooling cycle, performs the next step, otherwise, directly executes step 3；Wherein, S(i+1)To update turning for preceding compressor
Speed, K3For constant, K3Value range is 0-2100；T1 value range is 20-360 minutes；
Step 3 enters second cooling cycle after wind cooling refrigerator defrost, enables the revolving speed of second cooling cycle compressor
For S(i+3), and S(i+3)=Si, and after running (N+1) a cooling cycle, circulation executes step 4, wherein SiFor the wind cooling refrigerator
The revolving speed of compressor before defrost, N are constant, and the value range of N is 2-10 times；
Step 4, the revolving speed for enabling next cooling cycle compressor are S '(i+1), and S '(i+1)=Ki×S’iAfterwards, wherein S 'i
For (N+1) a cooling cycle revolving speed, KiFor regulation coefficient, and have:
Ki=ηi/η0 (1)
In formula (1), if | Ki- 1 |≤a, then KiThe value range of=1, a are 0-0.2；η0For set target Homes Using TV,
That is the ideal Homes Using TV of wind cooling refrigerator, value range 40%-100%；ηiFor N number of start-stop period continuous before the wind cooling refrigerator
Average Homes Using TV, and have:
ηi=compressor accumulated running time/total time (2)
Step 5 when second cooling cycle starts after the wind cooling refrigerator defrost, judges whether any compartment temperature is high
In the starting point temperature of itself compartment, and temperature difference between the two is T1 DEG C of Δ, if so, enabling current refrigeration cycle compression machine
Revolving speed be updated to S(i+2), and S(i+2)=S(i+1)+K1×ΔT1, and after running (N+1) a cooling cycle, step 4 is executed, again
Homes Using TV is calculated, otherwise, executes step 6；Wherein, S(i+1)For the revolving speed for updating preceding compressor；
Step 6, second when opening cooling cycle and starting after wind cooling refrigerator defrost, judge compressor continuous operating time >=
Whether t1 minutes true, if so, it then enables when the revolving speed of the one before cooling cycle compressor is updated to S(i+2), and S(i+2)=S(i+1)+
K3, and after running (N+1) a cooling cycle, step 4 is executed, Homes Using TV is recalculated, otherwise, executes step 7；Wherein, S(i+1)
For the revolving speed for updating preceding compressor；
Step 7, when second cooling cycle starts after wind cooling refrigerator defrost, judge any compartment set temperature whether under
It adjusts, and the temperature difference after downward is Δ T2, if so, enabling when the revolving speed of the one before cooling cycle compressor is updated to S(i+2), and
S(i+2)=S(i+1)+K2×ΔT2, and after running (N+1) a period, step 4 is executed, Homes Using TV is recalculated, otherwise, directly holds
Row step 4；Wherein, K2For constant, value range 0-1500；S(q-1)For the revolving speed for updating preceding compressor；
In specific implementation, revolving speed S(i+1)、S(i+2)、Si+3、S’(i+1)If more than compressor maximum speed, then compressor is with most
High revolving speed operation, if revolving speed calculated value S(i+1)、S(i+2)、Si+3、S’(i+1)Less than compressor minimum speed, then compressor is with minimum
Revolving speed operation.
In the present embodiment, a kind of refrigerator using the above refrigerator method for controlling frequency conversion, as shown in Fig. 2, wind cooling refrigerator exists
First cooling cycle properly increases compressor running speed after defrost, and refrigerator can be made to freeze rapidly to stable state, the
Stable operation revolving speed before two cooling cycle compressors just restore to defrost maintains rapidly refrigerator stable state, to reach section
The purpose of energy power saving.
Claims (5)
1. a kind of wind cooling refrigerator method for controlling frequency conversion, it is characterized in that carrying out as follows:
Step 1 when entering first cooling cycle after wind cooling refrigerator defrost, enables the revolving speed of first cooling cycle compressor be
S(i+1), and S(i+1)=Si+K4, wherein SiFor the revolving speed of compressor before the wind cooling refrigerator defrost, K4For constant, value range is
0-2000；
In step 2, first cooling cycle after wind cooling refrigerator defrost, compressor continuous operating time >=t1 minutes be is judged
No establishment, if so, then enable the revolving speed of first cooling cycle be updated to S(i+2), and S(i+2)=S(i+1)+K3, until first
After cooling cycle, step 3 is executed, otherwise, directly executes step 3；Wherein, S(i+1)For the revolving speed for updating preceding compressor, K3
For constant, K3Value range is 0-2100；T1 value range is 20-360 minutes；
Step 3 enters second cooling cycle after wind cooling refrigerator defrost, enables the revolving speed of second cooling cycle compressor be
S(i+3), and S(i+3)=Si, and after running (N+1) a cooling cycle, execute step 4；Wherein, SiBefore the wind cooling refrigerator defrost
The revolving speed of compressor, N are constant, and the value range of N is 2-10 times；
Step 4, the revolving speed for enabling next cooling cycle compressor are S '(i+1), and S '(i+1)=Ki×S’iAfterwards, wherein S 'iIt is
(N+1) a cooling cycle revolving speed, KiFor regulation coefficient, and have:
Ki=ηi/η0 (1)
In formula (1), η0For set target Homes Using TV；ηiFor the average booting in N number of start-stop period continuous before the wind cooling refrigerator
Rate, and have:
ηi=compressor accumulated running time/total time (2)
Step 5 when second cooling cycle, judges whether any compartment temperature is higher than between itself after the wind cooling refrigerator defrost
The starting point temperature of room, and temperature difference between the two is T1 DEG C of Δ, if so, enabling the revolving speed of second cooling cycle compressor
It is updated to S(i+2), and S(i+2)=S(i+1)+K1×ΔT1, and after running (N+1) a cooling cycle, execute step 4；Otherwise, it executes
Step 6；Wherein, S(i+1)For the revolving speed for updating preceding compressor；
Step 6, after wind cooling refrigerator defrost when second cooling cycle, judge compressor continuous operating time >=t1 minutes is whether
It sets up, if so, then enable the revolving speed of second cooling cycle compressor be updated to S(i+2), and S(i+2)=S(i+1)+K3, and run
(N+1) a cooling cycle executes step 4；Otherwise, step 7 is executed；Wherein, S(i+1)For the revolving speed for updating preceding compressor；
Step 7 when second cooling cycle, judges whether any compartment set temperature is lowered after wind cooling refrigerator defrost, and under
Temperature difference after tune is Δ T2, if so, the revolving speed of second cooling cycle compressor is enabled to be updated to S(i+2), and S(i+2)=
S(i+1)+K2×ΔT2, and after running (N+1) a period, execute step 4；Otherwise, step 4 is directly executed；Wherein, K2For constant,
Value range is 0-1500；S(i+1)For the revolving speed for updating preceding compressor.
2. wind cooling refrigerator method for controlling frequency conversion according to claim 1, which is characterized in that the regulation coefficient KiIf |
Ki- 1 |≤a, then KiThe value range of=1, a are 0-0.2.
3. wind cooling refrigerator method for controlling frequency conversion according to claim 1, which is characterized in that the revolving speed calculated value S(i+1)、
S(i+2)、S(i +3) 、S’(i+1)If more than compressor maximum speed, then compressor is run with maximum speed, if revolving speed calculated value
S(i+1)、S(i+2)、S(i +3) 、S’(i+1)Less than compressor minimum speed, then compressor is run with minimum speed.
4. wind cooling refrigerator method for controlling frequency conversion according to claim 1, which is characterized in that the target Homes Using TV η0For institute
State the ideal Homes Using TV of wind cooling refrigerator, value range 40%-100%.
5. a kind of refrigerator, which is characterized in that the refrigerator frequency conversion is using described in any claim in claim 1-4
Wind cooling refrigerator method for controlling frequency conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385602.7A CN107084592B (en) | 2017-05-26 | 2017-05-26 | A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710385602.7A CN107084592B (en) | 2017-05-26 | 2017-05-26 | A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107084592A CN107084592A (en) | 2017-08-22 |
| CN107084592B true CN107084592B (en) | 2019-12-03 |
Family
ID=59609205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710385602.7A Active CN107084592B (en) | 2017-05-26 | 2017-05-26 | A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107084592B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195133B (en) * | 2017-12-29 | 2020-08-21 | Tcl家用电器（合肥）有限公司 | Refrigerator and control method and control device thereof |
| CN108759290B (en) * | 2018-06-07 | 2020-06-09 | 长虹美菱股份有限公司 | Frequency control method for compressor of variable frequency refrigerator |
| DE102018221328A1 (en) * | 2018-12-10 | 2020-06-10 | BSH Hausgeräte GmbH | Refrigeration device and method for initializing a defrosting process in a refrigeration device |
| CN110736284A (en) * | 2019-10-30 | 2020-01-31 | 南京创维家用电器有限公司 | control method for improving use noise of intelligent air-cooled variable frequency refrigerator |
| CN110986466B (en) * | 2019-12-16 | 2021-05-11 | 长虹美菱股份有限公司 | Self-adaptive defrosting control method |
| CN111207562B (en) * | 2020-01-17 | 2021-08-27 | 海信（山东）冰箱有限公司 | Refrigerator operation control method and refrigerator |
| CN112378158B (en) * | 2020-11-06 | 2022-06-14 | 卡奥斯工业智能研究院(青岛)有限公司 | Refrigerator control method and device, electronic equipment and storage medium |
| CN113915917B (en) * | 2021-04-12 | 2023-04-25 | 海信冰箱有限公司 | Refrigerator, variable frequency compressor and control method of variable frequency compressor |
| CN115435543B (en) * | 2021-06-02 | 2023-07-21 | 青岛海尔生物医疗股份有限公司 | Method and device for controlling variable frequency compressor of refrigerator and refrigerator |
| CN115468350A (en) * | 2021-06-11 | 2022-12-13 | 海信容声(广东)冰箱有限公司 | Refrigerator and ambient temperature calculation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031947A (en) * | 2012-08-03 | 2014-02-20 | Mitsubishi Electric Corp | Refrigerator-freezer |
| CN103776234A (en) * | 2014-02-25 | 2014-05-07 | 合肥美菱股份有限公司 | Refrigerator frequency conversion control method and application thereof |
| CN104048476A (en) * | 2013-03-13 | 2014-09-17 | 合肥美的电冰箱有限公司 | Variable frequency control method for inverter refrigerator comprising automatic defrosting system |
| CN104806499A (en) * | 2015-03-18 | 2015-07-29 | 合肥华凌股份有限公司 | Control method |
| CN106123478A (en) * | 2016-06-29 | 2016-11-16 | 合肥美的电冰箱有限公司 | A kind of dual system controlling method for refrigerator, system and dual system refrigerator |
-
2017
- 2017-05-26 CN CN201710385602.7A patent/CN107084592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031947A (en) * | 2012-08-03 | 2014-02-20 | Mitsubishi Electric Corp | Refrigerator-freezer |
| CN104048476A (en) * | 2013-03-13 | 2014-09-17 | 合肥美的电冰箱有限公司 | Variable frequency control method for inverter refrigerator comprising automatic defrosting system |
| CN103776234A (en) * | 2014-02-25 | 2014-05-07 | 合肥美菱股份有限公司 | Refrigerator frequency conversion control method and application thereof |
| CN104806499A (en) * | 2015-03-18 | 2015-07-29 | 合肥华凌股份有限公司 | Control method |
| CN106123478A (en) * | 2016-06-29 | 2016-11-16 | 合肥美的电冰箱有限公司 | A kind of dual system controlling method for refrigerator, system and dual system refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107084592A (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107084592B (en) | A kind of wind cooling refrigerator method for controlling frequency conversion and its refrigerator | |
| CN103776234B (en) | A kind of refrigerator method for controlling frequency conversion and application thereof | |
| CN107270601B (en) | Control method of water chilling unit | |
| CN102997609B (en) | Frequency converting control method for refrigerator | |
| CN105276914A (en) | Control method for frequency conversion compressor and refrigerator | |
| CN112880115B (en) | Control method of multi-unit air conditioning system | |
| CN110749150B (en) | Rotating speed control system and method of refrigerating fan | |
| CN103363761B (en) | Frostless refrigerator with circulation wind defrosting function and control method thereof | |
| CN112082322B (en) | Refrigerator operation method for optimizing refrigeration by time interval based on busy or idle attribute | |
| CN105371557B (en) | A kind of refrigerator and controlling method for refrigerator | |
| CN102679685A (en) | Air-cooled refrigerator and energy-saving defrosting control method thereof | |
| CN109489335A (en) | Refrigerator blower control method | |
| CN103090506A (en) | Control method of variable frequency air conditioner at night | |
| CN103115475A (en) | Refrigerator multiple-temperature zone self-adaptation fuzzy control device and method | |
| CN105526776B (en) | A kind of control method of wind cooling refrigerator air door | |
| CN110388706B (en) | Refrigerating pump operation optimization configuration method of central air-conditioning chilled water secondary pump system | |
| CN106208897B (en) | Method for controlling frequency conversion based on SMART algorithm | |
| CN114034155A (en) | Method for calculating ring temperature and controlling rotating speed of compressor | |
| CN112283994A (en) | Control method for preventing compressor from liquid impact | |
| CN103502754A (en) | Single-circuit refrigeration device | |
| CN107202469B (en) | A kind of multi-cycle system avoids the control method and its refrigerator of short booting | |
| EP2458310A2 (en) | Method for operating a fridge and/or freezer and fridge and/or freezer | |
| CN111059827A (en) | Refrigerator and control method thereof | |
| CN113418350B (en) | Refrigeration temperature regulation control system and control method thereof | |
| CN114353428A (en) | Control method for energy-saving refrigeration of refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui, China Applicant after: Changhong MeiLing Limited by Share Ltd Address before: 230061 Hefei economic and Technological Development Zone, Anhui Lianhua Road, No. 2163 Applicant before: Hefei Meiling Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |