CN111380324A - Refrigeration control method of refrigerator - Google Patents
Refrigeration control method of refrigerator Download PDFInfo
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- CN111380324A CN111380324A CN201811628186.XA CN201811628186A CN111380324A CN 111380324 A CN111380324 A CN 111380324A CN 201811628186 A CN201811628186 A CN 201811628186A CN 111380324 A CN111380324 A CN 111380324A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005057 refrigeration Methods 0.000 title claims abstract description 25
- 230000007613 environmental effect Effects 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- F25D29/00—Arrangement or mounting of control or safety devices
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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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
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a refrigeration control method of a refrigerator, which comprises the following steps: detecting the current ambient temperature of the refrigerator; the refrigerator comprises a first preset temperature and a second preset temperature, wherein the first preset temperature is lower than the second preset temperature, and the range of the first preset temperature and the second preset temperature of the environment temperature is judged; detecting the temperatures of the air outlet and the air return inlet and acquiring the temperature difference between the air outlet and the air return inlet; the refrigerator is provided with a first preset temperature difference and a second preset temperature difference, wherein the first preset temperature is smaller than the second preset temperature difference, and the interval of the first preset temperature difference and the second preset temperature difference where the temperature difference between the air outlet and the air return inlet is located is judged; and determining the rotating speed increasing percentages of the compressor and the fan together according to the judgment results of the environmental temperature and the temperature difference between the air outlet and the air return inlet. The refrigeration control method of the refrigerator adjusts the rotating speeds of the compressor and the fan in a targeted manner, so that the control is more accurate, the energy loss is reduced, and the service life of the refrigerator is prolonged.
Description
Technical Field
The invention relates to a refrigeration control method of a refrigerator.
Background
According to the existing refrigerator refrigeration control method, most of the control of the rotating speeds of the compressor and the fan only considers one influence factor of the ambient temperature, the rotating speeds of the compressor and the fan are controlled by comparing the ambient temperature with a preset temperature value, other influence factors are not considered, particularly the temperature and the service condition in the refrigerator are not considered, so that the control of the rotating speeds of the compressor and the fan is not accurate enough, the energy waste is further caused, and the service life of the refrigerator is even reduced.
In view of the above, there is a need to improve the refrigeration control method of the existing refrigerator to solve the above problems.
Disclosure of Invention
The invention aims to provide a refrigeration control method of a refrigerator, which enables the rotating speeds of a compressor and a fan to be more accurate and reasonable.
In order to achieve the above object, the present invention provides a refrigeration control method for a refrigerator, the refrigerator including a compressor and a blower, the blower having an air outlet and an air return inlet, the refrigeration control method comprising: detecting the current ambient temperature of the refrigerator; the refrigerator is provided with a first preset temperature and a second preset temperature, wherein the first preset temperature is lower than the second preset temperature, and the range of the first preset temperature and the second preset temperature of the environment temperature is judged; detecting the temperatures of the air outlet and the air return inlet and acquiring the temperature difference between the air outlet and the air return inlet; a first preset temperature difference and a second preset temperature difference are formed between the temperature of an air outlet and the temperature of a return air inlet of the refrigerator, wherein the first preset temperature is smaller than the second preset temperature difference, and the interval of the first preset temperature difference and the second preset temperature difference where the temperature difference between the air outlet and the return air inlet is located is judged; and determining the rotating speed increasing percentages of the compressor and the fan together according to the judgment results of the environmental temperature and the temperature difference between the air outlet and the air return inlet.
As a further improvement of the present invention, the section in which the ambient temperature is located includes a section that is less than the first preset temperature, is greater than or equal to the first preset temperature and is less than or equal to the second preset temperature, and is greater than the second preset temperature, the section in which the temperature difference between the air outlet and the air return opening is located includes a section that is less than the first preset temperature difference, is greater than or equal to the first preset temperature difference and is less than or equal to the second preset temperature difference, and is greater than the second preset temperature difference, and the rotation speed increase percentages of the compressor and the fan are controlled together according to the section in which the ambient temperature is located and the section in which the temperature difference between the air outlet and the air return opening is located.
As a further improvement of the present invention, under the condition that the ambient temperature is lower than the first preset temperature, when the temperature difference between the air outlet and the air return inlet is lower than the first preset temperature difference, the compressor and the fan keep the preset rotation speed unchanged; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D1; and when the temperature difference is larger than the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D2.
As a further improvement of the present invention, under the condition that the ambient temperature is greater than or equal to the first preset temperature and less than or equal to the second preset temperature, when the temperature difference between the air outlet and the air return inlet is less than the first preset temperature difference, the rotation speeds of the compressor and the fan are increased by D1; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D2; and when the temperature difference between the air outlet and the air return inlet is greater than the second preset temperature difference, the rotating speed of the compressor and the rotating speed of the fan are increased by D3.
As a further improvement of the invention, the interval of D1 is in the range of 5% to 10%, the interval of D2 is in the range of 10% to 15%, and the interval of D3 is in the range of 15% to 20%.
As a further improvement of the present invention, under the condition that the ambient temperature is greater than the second preset temperature, when the temperature difference between the air outlet and the air return inlet is smaller than the first preset temperature difference, the rotation speeds of the compressor and the fan are increased by D2; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D3; and when the temperature difference between the air outlet and the air return inlet is greater than the second preset temperature difference, the rotating speed of the compressor and the rotating speed of the fan are increased by D4.
As a further development of the invention, the interval D4 is in the range from 20% to 25%.
As a further improvement of the present invention, the first preset temperature is 16 ℃ and the second preset temperature is 32 ℃.
The invention also provides another refrigeration control method of a refrigerator, the refrigerator comprises a compressor and a fan, the fan is provided with an air outlet and an air return inlet, and the refrigeration control method is characterized by comprising the following steps: detecting the current ambient temperature of the refrigerator and the temperature in the refrigerator and acquiring the temperature difference between the ambient temperature and the temperature in the refrigerator; detecting the temperatures of the air outlet and the air return inlet and acquiring the temperature difference between the air outlet and the air return inlet; and determining the rotating speed increasing percentage of the compressor and the fan together according to the temperature difference between the environment temperature and the temperature in the refrigerator and the temperature difference between the air outlet and the air return inlet.
As a further improvement of the present invention, the percentage of increase in the rotation speed is equal to a product of a preset coefficient, a temperature difference between the ambient temperature and the temperature in the refrigerator, and a temperature difference between the air outlet and the air return opening.
The invention has the beneficial effects that: the refrigeration control method of the refrigerator not only considers the external influence factor of the ambient temperature, but also considers two internal influence factors of the air return inlet and the air outlet temperature difference in the refrigerator and the ambient temperature and the temperature difference in the refrigerator, so that the actual operation condition of the refrigerator is better known through controlling the external factor and the internal factor, the rotating speeds of the compressor and the fan are more specifically adjusted, the control is more accurate, the energy consumption is reduced, and the service life of the refrigerator is prolonged.
Drawings
Fig. 1 is a view showing a flow chart of a refrigeration controlling method of a refrigerator according to a first embodiment of the present invention.
Fig. 2 is a control comparison table of the rotational speed of the compressor and the rotational speed of the blower fan in the refrigeration control method of the refrigerator according to the present invention.
Fig. 3 is a view illustrating a flow chart of a refrigeration controlling method of a refrigerator according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.
Fig. 1 and 2 show a first embodiment of a refrigeration control method of a refrigerator according to the present invention, where the refrigerator is an air-cooled refrigerator and the refrigerator is provided with a temperature sensor for detecting an ambient temperature, a temperature sensor for detecting an air inlet temperature, and a temperature sensor for detecting a return air inlet temperature.
Fig. 1 is a schematic flow chart of a refrigeration control method of a refrigerator according to a first embodiment of the present invention, which includes the following steps:
and S1, detecting the current environment temperature T of the refrigerator.
And detecting the current ambient temperature T of the refrigerator in real time in the working process of the refrigerator.
S2, determining the temperature range of the environment T between the first predetermined temperature T1 and the second predetermined temperature T2.
The refrigerator is provided with a first preset temperature TI and a second preset temperature T2, the first preset temperature TI is smaller than the second preset temperature T2, when the ambient temperature T is obtained, the ambient temperature T is compared with the first preset temperature T1 and the second preset temperature T2 (please refer to fig. 2), and whether the ambient temperature T is located in one of three intervals, namely the interval which is smaller than the first preset temperature T1, the interval which is greater than or equal to the first preset temperature T1, the interval which is smaller than or equal to the second preset temperature T2 and the interval which is greater than the second preset temperature T2 is judged, in the embodiment, the first preset temperature T1 is 16 ℃, the second preset temperature T1 is 32 ℃, and in other embodiments, the adjustment can be performed according to the actual use condition and the application scene of the refrigerator.
And S3, detecting the temperature T3 of the air outlet and the temperature T4 of the air return inlet.
And in the working process of the refrigerator, detecting the temperature T3 of the air outlet and the temperature T4 of the air return opening in real time.
S4, obtaining the temperature difference △ T between T3 and T4.
S5, judging the interval of a first preset temperature difference M1 and a second preset temperature difference M2 where the temperature difference △ T between the temperature T3 of the air outlet and the temperature T4 of the air return inlet is
The refrigerator is provided with a first preset temperature difference M1 and a second preset temperature difference M2, the first preset temperature difference M1 is smaller than the second preset temperature difference M2, when the temperature difference △ T is obtained, the first preset temperature difference M1 and the second preset temperature difference M2 are compared (please refer to fig. 2), and it is determined in which of three intervals, that is, the ambient temperature T is smaller than the first preset temperature difference M1, greater than or equal to the first preset temperature difference M1, less than or equal to the second preset temperature difference M2, and greater than the second preset temperature difference M2, the first preset temperature difference M1 is 3 ℃ and the second preset temperature difference M2 is 8 ℃ in the present embodiment, and in other embodiments, the adjustment can be performed according to the actual use condition and application scenario of the refrigerator.
The detection and judgment of the ambient temperature T and the detection and judgment of the temperature difference △ T between the temperature T3 of the air outlet and the temperature T4 of the air return inlet can be carried out at the same time or are not required to be carried out at the same time.
And S6, determining the lifting percentage D of the compressor and the fan rotating speed according to the judgment results of S3 and S5 by matching the table in the figure 2.
Referring to fig. 2, there are 9 conditions for controlling the percentage of increase in the rotational speed of the compressor and the fan:
1. when T < T1, △ T < M1, the rotation speeds of the compressor and the fan are kept unchanged at a preset rotation speed.
2. When T < T1, M1< ═ △ T < ═ M2, the rotational speed of the compressor and the fan is increased by D1.
3. When T < T1, △ T > M2, the rotational speed of the compressor and the fan is increased by D2.
4. When T1< T < T2, △ T < M1, the rotational speed of the compressor and the fan is increased by D1.
5. When T1< ═ T2 and M1< ═ △ T < ═ M2, the rotation speed of the compressor and the fan is increased by D2.
6. When T1< ═ T2, △ T > M2, the rotational speed of the compressor and the fan is increased by D3.
7. When T > T2, △ T < M1, the rotational speed of the compressor and the fan is increased by D2.
8. When T is more than T2, M1T is less than △ T is less than M2, the rotating speed of the compressor and the fan is increased by D3.
9. When T > T2, △ T > M2, the rotational speed of the compressor and the fan is increased by D4.
In the embodiment, D1 is 5-10%, D2 is 10-15%, D3 is 15-20%, and D4 is 20-25%, and in other embodiments, the adjustment can be made according to the actual use condition and application scenario of the refrigerator.
Please refer to fig. 3, which is a flowchart illustrating a refrigeration control method of a refrigerator according to a second embodiment of the present invention, the refrigerator includes a temperature sensor for detecting an ambient temperature, a temperature sensor for detecting a temperature inside the refrigerator, a temperature sensor for detecting a temperature of an air inlet, and a temperature sensor for detecting a temperature of a return air inlet, and the method includes the following steps:
and S1, detecting the current ambient temperature T of the refrigerator and the temperature T5 in the refrigerator.
And detecting the current ambient temperature T of the refrigerator in real time in the working process of the refrigerator.
S2, acquiring the temperature difference △ T1 between T and T5.
And S3, detecting the temperature T3 of the air outlet and the temperature T4 of the air return inlet.
And in the working process of the refrigerator, detecting the temperature T3 of the air outlet and the temperature T4 of the air return opening in real time.
S4, obtaining the temperature difference △ T between T3 and T4.
And S5, calculating the rotation speed increasing percentage of the compressor and the fan by using the formula D-K △ T △ T1.
The coefficient K in the above formula is a fixed constant and is a fixed value, and a test is performed under experimental conditions according to the actual use condition and the application scenario of the refrigerator to obtain the most appropriate K value in the scenario, for example, if the refrigerator is a common household refrigerator, a value K1 corresponding to the refrigerator will be obtained, and if the refrigerator is a commercial refrigerator, a value K2 corresponding to the refrigerator will be obtained.
In summary, the refrigeration control method of the refrigerator not only considers the external influence factor of the ambient temperature, but also considers the two internal influence factors of the return air inlet and the outlet air temperature difference in the refrigerator and the ambient temperature and the temperature difference in the refrigerator, so that the actual operation condition of the refrigerator is better known through controlling the external factors and the internal factors, the rotating speeds of the compressor and the fan are more specifically adjusted, the control is more accurate, the energy loss is reduced, and the service life of the refrigerator is prolonged.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. A refrigeration control method of a refrigerator, the refrigerator comprises a compressor and a fan, the fan is provided with an air outlet and an air return inlet, and the refrigeration control method comprises the following steps:
detecting the current ambient temperature of the refrigerator;
the refrigerator is provided with a first preset temperature and a second preset temperature, wherein the first preset temperature is lower than the second preset temperature, and the range of the first preset temperature and the second preset temperature of the environment temperature is judged;
detecting the temperatures of the air outlet and the air return inlet and acquiring the temperature difference between the air outlet and the air return inlet;
a first preset temperature difference and a second preset temperature difference are formed between the temperature of an air outlet and the temperature of a return air inlet of the refrigerator, wherein the first preset temperature is smaller than the second preset temperature difference, and the interval of the first preset temperature difference and the second preset temperature difference where the temperature difference between the air outlet and the return air inlet is located is judged;
and determining the rotating speed increasing percentages of the compressor and the fan together according to the judgment results of the environmental temperature and the temperature difference between the air outlet and the air return inlet.
2. The cooling control method of a refrigerator as claimed in claim 1, wherein: the range of the environment temperature comprises a range which is less than the first preset temperature, is more than or equal to the first preset temperature, is less than or equal to the second preset temperature, is more than the second preset temperature, the range of the temperature difference between the air outlet and the air return opening comprises a range which is less than the first preset temperature difference, is more than or equal to the first preset temperature difference, is less than or equal to the second preset temperature difference, is more than the second preset temperature difference, and the rotating speed lifting percentage of the compressor and the fan is controlled together according to the range of the environment temperature and the range of the temperature difference between the air outlet and the air return opening.
3. The cooling control method of a refrigerator as claimed in claim 2, wherein: when the temperature difference between the air outlet and the air return inlet is smaller than the first preset temperature difference under the condition that the environment temperature is smaller than the first preset temperature, keeping the preset rotating speed of the compressor and the fan unchanged; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D1; and when the temperature difference is larger than the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D2.
4. The cooling control method of a refrigerator as claimed in claim 2, wherein: under the condition that the environment temperature is greater than or equal to the first preset temperature and less than or equal to the second preset temperature, when the temperature difference between the air outlet and the air return inlet is smaller than the first preset temperature difference, the rotating speeds of the compressor and the fan are increased by D1; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D2; and when the temperature difference between the air outlet and the air return inlet is greater than the second preset temperature difference, the rotating speed of the compressor and the rotating speed of the fan are increased by D3.
5. The cooling control method of a refrigerator as claimed in claim 4, wherein: the interval range of D1 is 5% to 10%, the interval range of D2 is 10% to 15%, and the interval range of D3 is 15% to 20%.
6. The cooling control method of a refrigerator as claimed in claim 2, wherein: under the condition that the environment temperature is higher than the second preset temperature, when the temperature difference between the air outlet and the air return inlet is smaller than the first preset temperature difference, the rotating speeds of the compressor and the fan are increased by D2; when the temperature difference between the air outlet and the air return inlet is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, the rotating speeds of the compressor and the fan are increased by D3; and when the temperature difference between the air outlet and the air return inlet is greater than the second preset temperature difference, the rotating speed of the compressor and the rotating speed of the fan are increased by D4.
7. The cooling control method of the refrigerator as claimed in claim 6, wherein: the interval of D4 ranges from 20% to 25%.
8. The cooling control method of a refrigerator as claimed in claim 1, wherein: the first preset temperature is 16 ℃, and the second preset temperature is 32 ℃.
9. A refrigeration control method of a refrigerator, the refrigerator comprises a compressor and a fan, the fan is provided with an air outlet and an air return inlet, and the refrigeration control method comprises the following steps:
detecting the current ambient temperature of the refrigerator and the temperature in the refrigerator and acquiring the temperature difference between the ambient temperature and the temperature in the refrigerator;
detecting the temperatures of the air outlet and the air return inlet and acquiring the temperature difference between the air outlet and the air return inlet;
and determining the rotating speed increasing percentage of the compressor and the fan together according to the temperature difference between the environment temperature and the temperature in the refrigerator and the temperature difference between the air outlet and the air return inlet.
10. The refrigeration control method of a refrigerator according to claim 9, wherein: the rotation speed increase percentage is equal to the product of a preset coefficient, the temperature difference between the ambient temperature and the temperature in the refrigerator, and the temperature difference between the air outlet and the air return inlet.
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| CN201811628186.XA CN111380324B (en) | 2018-12-28 | 2018-12-28 | Refrigeration control method of refrigerator |
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| CN201811628186.XA CN111380324B (en) | 2018-12-28 | 2018-12-28 | Refrigeration control method of refrigerator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112179039A (en) * | 2020-09-15 | 2021-01-05 | 珠海格力电器股份有限公司 | Temperature control method and system and self-service cabinet |
| CN113758061A (en) * | 2021-09-30 | 2021-12-07 | 珠海格力电器股份有限公司 | Cooling device, refrigeration equipment, temperature control method and computer readable storage medium |
| CN114518002A (en) * | 2022-02-24 | 2022-05-20 | 珠海格力电器股份有限公司 | Refrigerator and temperature adjusting method |
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| CN113758061A (en) * | 2021-09-30 | 2021-12-07 | 珠海格力电器股份有限公司 | Cooling device, refrigeration equipment, temperature control method and computer readable storage medium |
| CN114518002A (en) * | 2022-02-24 | 2022-05-20 | 珠海格力电器股份有限公司 | Refrigerator and temperature adjusting method |
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