CN108286868B - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN108286868B CN108286868B CN201810048401.2A CN201810048401A CN108286868B CN 108286868 B CN108286868 B CN 108286868B CN 201810048401 A CN201810048401 A CN 201810048401A CN 108286868 B CN108286868 B CN 108286868B
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- temperature
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- freezing
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/123—Sensors measuring the inside temperature more than one sensor measuring the inside temperature in a compartment
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- 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 provides a refrigerator and a control method thereof, wherein the refrigerator comprises the following steps: a freezing chamber and a refrigerating chamber; the refrigerating system is used for generating cold quantity; the air duct assembly is communicated with the refrigerating chamber through a fixed air opening and is also communicated with the freezing chamber; the fan is arranged between the refrigerating system and the air duct assembly and used for blowing the cold energy generated by the refrigerating system to the refrigerating chamber and the freezing chamber respectively; the first temperature detection unit is arranged in the refrigerating chamber and used for detecting the temperature of the refrigerating chamber; the second temperature detection unit is arranged in the freezing chamber and is used for detecting the temperature of the freezing chamber; the control unit is connected with the first temperature detection unit and the second temperature detection unit and used for controlling the refrigeration system according to the temperature of the refrigerating chamber and controlling the fan according to the temperature of the refrigerating chamber, so that the risk of freezing or supercooling in refrigerating is effectively avoided, an air door is not needed, the production cost is saved, and the failure rate is reduced.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a refrigerator, a control method of the refrigerator and a non-transitory readable storage medium.
Background
In the related art, a wind cooling refrigerator generally controls a damper by a cooling sensor provided in a cooling chamber to meet a cooling chamber temperature requirement, and controls a compressor to be turned on and off by a freezing sensor provided in a freezing chamber to meet a freezing chamber temperature requirement. However, the related art has problems in that the long-term opening and closing motion of the damper is easily damaged, and the damper is easily caused to risk freezing of the refrigerator or supercooling in the case where the damper is not completely closed during operation.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, a first object of the present invention is to provide a refrigerator that does not require the use of a damper while preventing freezing or supercooling of a refrigerating chamber.
A second object of the present invention is to provide a control method of a refrigerator.
A third object of the invention is to propose a non-transitory readable storage medium.
To achieve the above object, an embodiment of a first aspect of the present invention provides a refrigerator, including: a freezing chamber and a refrigerating chamber; a refrigeration system for generating refrigeration; the air duct assembly is communicated with the refrigerating chamber through a fixed air opening and is also communicated with the freezing chamber; the fan is arranged between the refrigerating system and the air duct assembly and used for blowing the cold energy generated by the refrigerating system to the refrigerating chamber and the freezing chamber respectively; the first temperature detection unit is arranged in the refrigerating chamber and is used for detecting the temperature of the refrigerating chamber; the second temperature detection unit is arranged in the freezing chamber and is used for detecting the temperature of the freezing chamber; and the control unit is connected with the first temperature detection unit and the second temperature detection unit and used for controlling the refrigeration system according to the temperature of the refrigerating chamber and controlling the fan according to the temperature of the freezing chamber.
According to the refrigerator provided by the embodiment of the invention, the cooling capacity generated by the refrigerating system is respectively blown to the refrigerating chamber and the freezing chamber by the fan, the first temperature detection unit detects the temperature of the refrigerating chamber, the second temperature detection unit detects the temperature of the freezing chamber, and the control unit controls the refrigerating system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber. Therefore, the refrigerator provided by the embodiment of the invention controls the refrigeration system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber, thereby effectively avoiding the risk of freezing or supercooling during refrigerating, avoiding the use of an air door, saving the production cost and reducing the failure rate.
According to one embodiment of the invention, the control unit is used for controlling the refrigeration system to be turned off to stop generating the cold energy when the temperature of the refrigerating chamber reaches the preset refrigerating temperature.
According to an embodiment of the present invention, the control unit is further configured to control the fan to continuously operate at a preset rotation speed during the time when the refrigeration system is turned on, wherein if the temperature of the freezing chamber is lower than a preset freezing temperature when the refrigeration system is turned off, the control unit controls the rotation speed of the fan to be decreased, and controls the fan to operate at the decreased rotation speed when the refrigeration system is turned on next time.
According to an embodiment of the present invention, the control unit is further configured to control the fan to operate for a preset on-time during a period when the refrigeration system is turned off, wherein if the temperature of the freezing chamber is greater than a preset freezing temperature when the refrigeration system is turned off, the control unit controls the on-time of the fan to be extended, and controls the fan to stop operating after the extended on-time; and if the temperature of the freezing chamber is equal to the preset freezing temperature when the refrigeration system is closed, the control unit controls the fan to stop running during the closing period of the refrigeration system.
According to an embodiment of the present invention, the size of the fixed tuyere may be set according to an ambient temperature.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides a method for controlling a refrigerator, where the refrigerator includes a freezing chamber, a refrigerating chamber, a refrigeration system, an air duct assembly, and a fan, where the refrigeration system is configured to generate cold, the air duct assembly is communicated with the refrigerating chamber through a fixed air opening, the air duct assembly is further communicated with the freezing chamber, and the fan blows the cold generated by the refrigeration system to the refrigerating chamber and the freezing chamber, respectively, and the method includes the following steps: detecting the temperature of the refrigerating chamber; detecting the temperature of the freezing chamber; and controlling the refrigerating system according to the temperature of the refrigerating chamber, and controlling the fan according to the temperature of the freezing chamber.
According to the refrigerator control method provided by the embodiment of the invention, the temperature of the refrigerating chamber and the temperature of the freezing chamber are detected, the refrigeration system is controlled according to the temperature of the refrigerating chamber, and the fan is controlled according to the temperature of the freezing chamber. Therefore, the control method of the embodiment of the invention controls the refrigeration system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber, thereby effectively avoiding the risk of freezing or supercooling during refrigeration, avoiding the use of an air door, saving the production cost and reducing the failure rate.
According to one embodiment of the present invention, the controlling the refrigeration system according to the temperature of the refrigerating compartment comprises: and when the temperature of the refrigerating chamber reaches the preset refrigerating temperature, controlling the refrigerating system to be closed to stop generating cold.
According to one embodiment of the invention, the fan is controlled to continuously operate at a preset rotating speed during the starting period of the refrigeration system, wherein if the temperature of the freezing chamber is lower than a preset freezing temperature when the refrigeration system is closed, the rotating speed of the fan is controlled to be reduced, and the fan is controlled to operate at the reduced rotating speed when the refrigeration system is started next time.
According to an embodiment of the present invention, the control unit is further configured to control the fan to operate for a preset on-time during a period when the refrigeration system is turned off, wherein the controlling the fan according to the temperature of the freezing compartment includes: if the temperature of the freezing chamber is higher than the preset freezing temperature when the refrigerating system is closed, the starting time of the fan is controlled to be prolonged, and the fan is controlled to stop running after the prolonged starting time; and if the temperature of the freezing chamber is equal to the preset freezing temperature when the refrigeration system is closed, controlling the fan to stop running during the closing period of the refrigeration system.
According to an embodiment of the present invention, the size of the fixed tuyere may be set according to an ambient temperature.
In order to achieve the above object, a third embodiment of the present invention proposes a non-transitory readable storage medium, in which instructions, when executed by a processor, enable execution of a control method of a refrigerator.
According to the non-transitory readable storage medium provided by the embodiment of the invention, by executing the control method of the refrigerator, the risk of freezing or supercooling during refrigeration is effectively avoided, an air door is not required, the production cost is saved, and the failure rate is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block schematic view of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a refrigerator according to an embodiment of the present invention;
fig. 3 is a flowchart of a control method of a refrigerator according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of a refrigerator according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A refrigerator and a control method of the refrigerator according to embodiments of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a block schematic view of a refrigerator according to an embodiment of the present invention. As shown in fig. 1, a refrigerator according to an embodiment of the present invention includes: the refrigerator includes a freezing chamber 10, a refrigerating chamber 20, a refrigerating system 30, an air duct assembly 40, a fan 50, a first temperature detecting unit 60, a second temperature detecting unit 70, and a control unit 80.
Wherein, the refrigeration system 30 is used for generating cold; the air duct assembly 40 is communicated with the refrigerating chamber 20 through a fixed air opening 41, and the air duct assembly 40 is also communicated with the freezing chamber 10; the fan 50 is arranged between the refrigerating system 30 and the air duct assembly 40, and the fan 50 is used for blowing the cold energy generated by the refrigerating system 30 to the refrigerating chamber 20 and the freezing chamber 10 respectively; the refrigerator comprises a first temperature detection unit 60 arranged in a refrigerating chamber 20, a second temperature detection unit 70 arranged in a freezing chamber 10, a control unit 80 connected with the first temperature detection unit 60 and the second temperature detection unit 70, wherein the first temperature detection unit 60 is used for detecting the temperature of the refrigerating chamber 20, the second temperature detection unit 70 is used for detecting the temperature of the freezing chamber 10, and the control unit 80 is used for controlling a refrigeration system 30 according to the temperature of the refrigerating chamber 20 and controlling a fan 50 according to the temperature of the freezing chamber 10.
It should be noted that, as shown in fig. 2, in the refrigerator according to the embodiment of the present invention, the refrigeration system 30 may include a compressor 61, a first condenser 32, a second condenser 33, a condensation preventing pipe 34, a dry filter 35, a capillary tube 36 and an evaporator 11, and the compressor 31, the first condenser 32, the anti-condensation pipe 34, the second condenser 33, the drying filter 35, the capillary tube 36 and the evaporator 11 are sequentially connected, the control unit 80 controls the refrigeration system 30 to be turned on or off by controlling the on or off of the compressor 61, thereby forming a refrigeration link in the refrigeration system 30 when the compressor 61 is turned on, namely, the refrigerant evaporates and absorbs heat in the evaporator 11, so that the temperature outside the evaporator 11 is lowered to generate cold energy, then, cooling energy is blown to the freezing chamber 10 and the refrigerating chamber 20 by the fan 50 to cool the freezing chamber 10 and the refrigerating chamber 20. The fan 50 may be an axial fan or a centrifugal fan.
Specifically, the first temperature sensing unit 60 may be disposed in the refrigerating compartment 20, and the second temperature sensing unit 70 may be disposed in the freezing compartment 10.
According to an embodiment of the present invention, the size of the fixed tuyere 41 may be set according to an ambient temperature, and particularly, the size of the fixed tuyere 41 may be set according to a high ambient temperature, which is a higher ambient temperature, for example, a highest ambient temperature in summer.
Specifically, after the refrigerator is powered on and starts to operate, the refrigeration system 30 starts to generate cold, that is, the cold is generated through the first condenser 91, the anti-condensation pipe 93, the second condenser 92, the dry filter 94 and the capillary 95, the fan 50 blows the cold to the freezing chamber 10 and the refrigerating chamber 20, the first temperature detection unit 60 detects the temperature of the refrigerating chamber 20 and sends the temperature to the control unit 80, the second temperature detection unit 70 detects the temperature of the freezing chamber 10 and sends the temperature to the control unit 80, and the control unit 80 controls the refrigeration system 30 according to the temperature of the refrigerating chamber 20 and controls the fan 50 according to the temperature of the freezing chamber 10.
Therefore, the refrigerator provided by the embodiment of the invention can control the refrigerating system and the fan according to the temperatures of the refrigerating chamber and the freezing chamber, effectively avoids the problem of freezing or supercooling of the refrigerating chamber, does not need to use an air door assembly, saves the production cost and reduces the damage rate.
According to an embodiment of the present invention, the refrigeration system 30 is controlled to be turned off to stop the generation of the cooling capacity when the temperature of the refrigerating chamber 20 reaches the preset refrigerating temperature, thereby preventing the freezing or supercooling of the refrigerating chamber 20 due to the excessively low temperature.
According to an embodiment of the present invention, the control unit 80 is further configured to control the fan 50 to continuously operate at a preset rotation speed during the time when the refrigeration system 30 is turned on, wherein if the temperature of the freezing chamber 10 is less than the preset freezing temperature when the refrigeration system 30 is turned off, the control unit 80 controls the rotation speed of the fan 50 to be reduced, and controls the fan 50 to operate at the reduced rotation speed when the refrigeration system 30 is turned on next time.
For example, five rotation speeds of the blower 50, for example, 2300rpm, 2200rpm, 2100rpm, 2000rpm and 1900rpm in order from high to low may be preset, wherein the control unit 80 may control the rotation speed of the blower 50 by controlling the power supply voltage of the blower 50, and thus, five power supply voltages corresponding to the rotation speeds of the blower 50, for example, 11.5V (2300 rpm of the blower 50), 10.5V (2200 rpm of the blower 50), 9.5V (2100 rpm of the blower 50), 8.5V (2000 rpm of the blower 50) and 7.5V (1900 rpm of the blower 50) in order from high to low may be preset in the control unit 80.
That is, during the time that the refrigeration system 30 is turned on, the control unit 80 controls the fan 50 to continuously operate at the current preset rotation speed, when the control unit 80 determines that the temperature of the refrigerating chamber 20 reaches the preset refrigerating temperature, the refrigeration system 30 is controlled to be turned off, and it is determined whether the temperature of the freezing chamber 10 is lower than the preset freezing temperature when the refrigeration system 30 is turned off, if the temperature of the freezing chamber 10 is lower than the preset freezing temperature, the control unit 80 controls the rotation speed of the fan 50 to be reduced, for example, from the maximum rotation speed, and controls the fan 50 to operate at the reduced rotation speed when the refrigeration system 30 is turned on next time, that is, when the refrigeration system 30 is turned on again, the control unit 80 controls the fan 50 to operate at the reduced rotation. When the rotation speed of the fan 50 has decreased to the lowest gear (e.g., 1900rpm), the control unit 80 controls the fan 50 to maintain the lowest gear.
According to an embodiment of the present invention, the control unit 80 is further configured to control the fan 50 to operate for a preset on-time during the off period of the refrigeration system 30, wherein if the temperature of the freezing chamber 10 is greater than the preset freezing temperature when the refrigeration system 30 is off, the control unit 80 controls the on-time of the fan 50 to be extended, and controls the fan 50 to stop operating after the extended on-time; the control unit 80 controls the blower fan 50 to stop operating during the off-period of the refrigeration system if the temperature of the freezing chamber 10 is equal to the preset freezing temperature when the refrigeration system 30 is off.
It should be noted that various on-times of the fan 50 can be preset, such as full stop (i.e., turning off the fan 50), and the on-times of the fan 50 are, for example, 2 minutes, 3 minutes, 4 minutes, and 5 minutes.
That is, during the time when the refrigeration system 30 is turned on, the control unit 80 controls the blower 50 to continuously operate at the current preset rotation speed, when the control unit 80 judges that the temperature of the refrigerating compartment 20 reaches the preset refrigerating temperature, the refrigeration system 30 is controlled to be turned off, and judges whether the temperature of the freezing chamber 10 is greater than or equal to a preset freezing temperature when the refrigerating system 30 is turned off, if the temperature of the freezing chamber 10 is greater than the preset freezing temperature, the control unit 80 controls the on time of the fan 50 to be extended, for example, starting from the shortest on time (for example, 2min), and controlling the fan 50 to operate after the prolonged on time and then stop operating, that is, the control unit 80 controls the fan 50 to continue to operate for 2min after the refrigeration system 30 is turned off, controls the fan 50 to stop operating after 2min, the control unit 80 controls the fan 50 to stop operating during the control system 30 is turned off if the temperature of the freezing chamber 10 is equal to the preset freezing temperature. When the extended on-time of the fan 50 is extended to the highest gear (for example, 5min), the control unit 80 controls the extended on-time of the fan 50 to be maintained at the highest gear.
Further, the control unit 80 may control the fan 50 to operate for an extended on-time after the refrigeration system 30 is turned off for 30 seconds.
It should be understood that, each time the refrigeration system 30 is turned off, the control unit 80 needs to adjust the on-time of the fan 50 in the stopped state of the current refrigeration system 30 and the rotation speed of the fan 30 when the refrigeration system 30 is turned on again according to the temperature of the freezing chamber 10, and when the on-time of the fan 50 reaches the highest gear, the control unit 80 controls the fan 50 to maintain the on-time of the highest gear, and when the rotation speed of the fan 50 reaches the lowest gear, the control unit 80 controls the fan 50 to maintain the rotation speed of the lowest gear.
For example, when the ambient temperature is 32 ℃, the refrigerator is powered on to operate, the refrigeration system 30 is turned on to perform refrigeration, the fan 50 is operated according to the current rotation speed (in this embodiment, when the refrigerator is powered on, the initial value of the current rotation speed may be the highest rotation speed 2300rpm), the first temperature detection unit 60 detects the temperature of the refrigerating chamber 20 and sends the temperature to the control unit 80, the control unit 80 determines whether the temperature of the refrigerating chamber 20 reaches the preset refrigerating temperature, if the temperature of the refrigerating chamber 20 does not reach the preset refrigerating temperature, the control unit 80 controls the refrigerating system 30 to continue refrigerating, if the temperature of the refrigerating compartment 20 reaches the preset refrigerating temperature, the control unit 80 controls the refrigerating system 30 to be turned off to stop the refrigeration, and at this time, the second temperature detecting unit 70 detects the temperature of the freezing chamber 10 and transmits it to the control unit 80, and the control unit 80 determines the relationship between the temperature of the freezing chamber 10 and a preset freezing temperature.
If the temperature of the freezing chamber 10 is equal to the preset freezing temperature, the control unit 80 controls the fan 50 to stop operating during the off period of the refrigeration system 30 and to operate at the preset rotational speed of the fan 50 when the refrigeration system 30 is turned on again the previous time.
If the temperature of the freezing chamber 10 is less than the preset freezing temperature, a time step may be extended based on the current on-time (in this embodiment, the initial value of the current on-time may be 0 minute as the minimum time step), and after the refrigeration system 30 is turned off for a first preset time, for example, 30 seconds, the control unit 80 controls the fan 50 to operate for an extended on-time, for example, 2 minutes, and controls the fan 50 to stop operating after 2 minutes, and so on until the temperature of the freezing chamber 10 reaches the preset freezing temperature, wherein if the on-time of the fan 50 reaches the maximum on-time, the control unit 80 controls the fan 50 to maintain the maximum on-time operation. Wherein, the rotation speed of the fan 50 when the refrigeration system 30 is turned off is the same as the rotation speed when the refrigeration system 30 was turned on last time.
If the temperature of the freezing chamber 10 is greater than the preset freezing temperature, the control unit 80 controls the rotation speed of the fan 50 to be reduced by one rotation speed step based on the current rotation speed, for example, the rotation speed of the fan 50 is reduced to 2200rpm, and the refrigeration system 30 is turned on next time to control the fan 50 to operate at the reduced rotation speed, and so on, until the temperature of the freezing chamber 10 reaches the preset freezing temperature, wherein if the rotation speed of the fan 50 is reduced to the lowest rotation speed, the control unit 80 controls the fan 50 to maintain the lowest rotation speed operation.
In summary, according to the refrigerator provided in the embodiment of the present invention, the fan blows the cooling energy generated by the refrigeration system to the refrigerating chamber and the freezing chamber respectively, the first temperature detecting unit detects the temperature of the refrigerating chamber, the second temperature detecting unit detects the temperature of the freezing chamber, and the control unit controls the refrigeration system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber. Therefore, the refrigerator provided by the embodiment of the invention controls the refrigeration system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber, thereby effectively avoiding the risk of freezing or supercooling during refrigerating, avoiding the use of an air door, saving the production cost and reducing the failure rate.
Fig. 3 is a flowchart of a control method of a refrigerator according to an embodiment of the present invention. The refrigerator comprises a freezing chamber, a refrigerating system, an air duct assembly and a fan, wherein the refrigerating system is used for generating cold, the air duct assembly is communicated with the refrigerating chamber through a fixed air opening, the air duct assembly is also communicated with the freezing chamber, and the fan blows the cold generated by the refrigerating system to the refrigerating chamber and the freezing chamber respectively. Wherein the size of the fixed tuyere can be set according to the ambient temperature.
As shown in fig. 3, the method for controlling a refrigerator according to an embodiment of the present invention includes the steps of:
s1: the temperature of the refrigerating chamber is detected.
Specifically, a first temperature detection unit may be provided in the refrigerating compartment for detecting a temperature of the refrigerating compartment.
S2: the temperature of the freezing chamber is detected.
Specifically, a second temperature detection unit may be provided in the freezing chamber to detect the temperature of the freezing chamber.
S3: and controlling the refrigerating system according to the temperature of the refrigerating chamber and controlling the fan according to the temperature of the freezing chamber.
According to one embodiment of the present invention, controlling a refrigeration system according to a temperature of a refrigeration compartment includes: and when the temperature of the refrigerating chamber reaches the preset refrigerating temperature, controlling the refrigerating system to be closed to stop generating cold energy, so as to prevent the refrigerating chamber 20 from being frozen or overcooled due to too low temperature.
According to one embodiment of the present invention, the fan is controlled to continuously operate at a preset rotation speed during the time when the refrigeration system is turned on, wherein if the temperature of the freezing chamber is less than a preset freezing temperature when the refrigeration system is turned off, the rotation speed of the fan is controlled to be reduced, and the fan is controlled to operate at the reduced rotation speed when the refrigeration system is turned on next time.
For example, five kinds of rotation speeds of the blower, for example, 2300rpm, 2200rpm, 2100rpm, 2000rpm, and 1900rpm in order from high to low may be preset, wherein the rotation speed of the blower may be controlled by controlling the power supply voltage of the blower, and thus, five kinds of power supply voltages corresponding to the rotation speeds of the blower, for example, 11.5V (2300 rpm of the blower 50), 10.5V (2200 rpm of the blower 50), 9.5V (2100 rpm of the blower 50), 8.5V (2000 rpm of the blower 50), and 7.5V (1900 rpm of the blower 50) in order from high to low may be preset.
That is to say, during the period that the refrigeration system is started, the fan is controlled to continuously operate according to the current preset rotating speed, when the temperature of the refrigerating chamber is judged to reach the preset refrigerating temperature, the refrigeration system is controlled to be closed, whether the temperature of the freezing chamber is lower than the preset freezing temperature when the refrigeration system is closed is judged, if the temperature of the freezing chamber is lower than the preset freezing temperature, the rotating speed of the fan is controlled to be reduced, for example, the rotating speed is reduced from the highest rotating speed, and the fan is controlled to operate at the reduced rotating speed when the refrigeration system is started next time, namely, when the refrigeration system is started again, the fan is controlled to operate according to the. When the rotating speed of the fan is reduced to the lowest gear (for example 1900rpm), the fan is controlled to maintain the rotating speed of the lowest gear to operate.
According to an embodiment of the present invention, the control unit is further configured to control the fan to operate for a preset on-time during the off period of the refrigeration system, wherein the controlling the fan according to the temperature of the freezing compartment includes: if the temperature of the freezing chamber is higher than the preset freezing temperature when the refrigerating system is closed, the starting time of the fan is controlled to be prolonged, and the fan is controlled to stop running after the prolonged starting time; and if the temperature of the freezing chamber is equal to the preset freezing temperature when the refrigerating system is closed, controlling the fan to stop running during the closing period of the refrigerating system.
It should be noted that various fan on times can be preset, such as full stop (i.e., fan off), with fan on times of 2 minutes, 3 minutes, 4 minutes, and 5 minutes.
That is to say, during the period of starting the refrigeration system, the fan is controlled to operate continuously according to the current preset rotating speed, when the temperature of the refrigerating chamber is judged to reach the preset refrigerating temperature, the refrigeration system is controlled to be closed, whether the temperature of the freezing chamber is greater than or equal to the preset freezing temperature when the refrigeration system is closed is judged, if the temperature of the freezing chamber is greater than the preset freezing temperature, the starting time of the fan is controlled to be prolonged, for example, the fan is started to be prolonged from the shortest starting time (for example, 2min), and the fan is controlled to stop operating after the starting time after the fan is operated for the prolonged time, that is, the fan is controlled to continue operating for 2min after the refrigeration system is closed, and the fan is controlled to stop operating after 2min, and if the temperature of the freezing chamber. When the prolonged opening time of the fan is prolonged to the highest gear (for example, 5min), the prolonged opening time of the fan is controlled to be maintained at the highest gear.
Further, the fan may be controlled to operate for an extended on-time after the refrigeration system is turned off for 30 seconds.
It should be understood that, each time the refrigeration system is turned off, the on-time of the fan in the stop state of the current refrigeration system and the rotation speed of the fan when the refrigeration system is turned on again need to be adjusted according to the temperature of the freezing chamber, and when the on-time of the fan reaches the highest gear, the fan is controlled to maintain the on-time of the highest gear, and when the rotation speed of the fan reaches the lowest gear, the control unit controls the fan to maintain the rotation speed of the lowest gear.
According to an embodiment of the present invention, as shown in fig. 4, a method for controlling a refrigerator according to an embodiment of the present invention includes the steps of:
s101: the refrigerator is powered on to operate.
S102: the refrigerating system is started to refrigerate, and the fan is controlled to operate according to the preset rotating speed.
S103: and when the temperature of the refrigerating chamber reaches the preset refrigerating temperature, the refrigerating system is closed.
S104: and judging the relation between the current temperature of the freezing chamber and the preset freezing temperature.
If the temperature of the current freezing chamber is less than the preset freezing temperature, executing the step S105;
if the temperature of the current freezing chamber is equal to the preset freezing temperature, executing the step S106;
if the temperature of the current freezing compartment is greater than the preset freezing temperature, step S107 is performed.
S105: the rotational speed of the fan is controlled to be reduced, and step S108 is executed.
S106: the blower is controlled to stop operating during the off period of the refrigeration system, and step S108 is performed.
S107: the fan on time is set to be extended, and the extended on time is operated after the refrigeration system is stopped for 30 seconds, and then the operation is stopped, and step S108 is performed.
S108: the refrigeration system is turned on again and returns to step S103.
In summary, according to the refrigerator control method provided by the embodiment of the invention, the temperature of the refrigerating chamber and the temperature of the freezing chamber are detected, the refrigeration system is controlled according to the temperature of the refrigerating chamber, and the fan is controlled according to the temperature of the freezing chamber. Therefore, the control method of the embodiment of the invention controls the refrigeration system according to the temperature of the refrigerating chamber and controls the fan according to the temperature of the freezing chamber, thereby effectively avoiding the risk of freezing or supercooling during refrigeration, avoiding the use of an air door, saving the production cost and reducing the failure rate.
An embodiment of the present invention also provides a non-transitory readable storage medium, in which instructions are executed by a processor to enable a control method of a refrigerator to be performed.
According to the non-transitory readable storage medium provided by the embodiment of the invention, by executing the control method of the refrigerator, the risk of freezing or supercooling during refrigeration is effectively avoided, an air door is not required, the production cost is saved, and the failure rate is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A refrigerator, characterized by comprising:
a freezing chamber and a refrigerating chamber;
a refrigeration system for generating refrigeration;
the air duct assembly is communicated with the refrigerating chamber through a fixed air opening and is also communicated with the freezing chamber; the size of the fixed tuyere can be set according to the ambient temperature;
the fan is arranged between the refrigerating system and the air duct assembly and used for blowing the cold energy generated by the refrigerating system to the refrigerating chamber and the freezing chamber respectively so as to refrigerate the freezing chamber and the refrigerating chamber;
the first temperature detection unit is arranged in the refrigerating chamber and is used for detecting the temperature of the refrigerating chamber;
the second temperature detection unit is arranged in the freezing chamber and is used for detecting the temperature of the freezing chamber;
the control unit is connected with the first temperature detection unit and the second temperature detection unit and used for controlling the refrigeration system according to the temperature of the refrigerating chamber and controlling the fan according to the temperature of the freezing chamber; and when the temperature of the refrigerating chamber reaches a preset refrigerating temperature, the refrigerating system is controlled to be closed to stop generating cold.
2. The refrigerator according to claim 1, wherein the control unit is further configured to control the blower fan to continuously operate at a preset rotation speed during a period in which the refrigeration system is turned on,
if the temperature of the freezing chamber is lower than the preset freezing temperature when the refrigerating system is closed, the control unit controls the rotating speed of the fan to be reduced, and controls the fan to operate at the reduced rotating speed when the refrigerating system is opened next time.
3. The refrigerator according to claim 1, wherein the control unit is further configured to control the blower fan to operate for a preset on-time during the period in which the refrigeration system is turned off,
if the temperature of the freezing chamber is higher than the preset freezing temperature when the refrigerating system is closed, the control unit controls the starting time of the fan to be prolonged, and controls the fan to stop running after the starting time after the fan runs for a prolonged time;
and if the temperature of the freezing chamber is equal to the preset freezing temperature when the refrigeration system is closed, the control unit controls the fan to stop running during the closing period of the refrigeration system.
4. The control method of the refrigerator is characterized in that the refrigerator comprises a freezing chamber, a refrigerating system, an air duct assembly and a fan, wherein the refrigerating system is used for generating cold, the air duct assembly is communicated with the refrigerating chamber through a fixed air opening, the size of the fixed air opening can be set according to the ambient temperature, the air duct assembly is also communicated with the freezing chamber, the fan respectively blows the cold generated by the refrigerating system to the refrigerating chamber and the freezing chamber so as to refrigerate the freezing chamber and the refrigerating chamber, and the method comprises the following steps:
detecting the temperature of the refrigerating chamber;
detecting the temperature of the freezing chamber;
controlling the refrigerating system according to the temperature of the refrigerating chamber and controlling the fan according to the temperature of the freezing chamber; wherein the controlling the refrigeration system according to the temperature of the refrigerating chamber comprises:
and when the temperature of the refrigerating chamber reaches the preset refrigerating temperature, controlling the refrigerating system to be closed to stop generating cold.
5. The control method of a refrigerator according to claim 4, wherein the blower fan is controlled to be continuously operated at a preset rotation speed during the turn-on of the refrigeration system, wherein,
and if the temperature of the freezing chamber is lower than the preset freezing temperature when the refrigerating system is closed, controlling the rotating speed of the fan to be reduced, and controlling the fan to operate at the reduced rotating speed when the refrigerating system is opened next time.
6. The method of claim 4, wherein the control unit is further configured to control the blower fan to operate for a preset on-time during the period when the refrigeration system is turned off, wherein the controlling the blower fan according to the temperature of the freezer compartment includes:
if the temperature of the freezing chamber is higher than the preset freezing temperature when the refrigerating system is closed, the starting time of the fan is controlled to be prolonged, and the fan is controlled to stop running after the prolonged starting time;
and if the temperature of the freezing chamber is equal to the preset freezing temperature when the refrigeration system is closed, controlling the fan to stop running during the closing period of the refrigeration system.
7. A non-transitory readable storage medium having a refrigerator control program stored thereon, wherein the program, when executed by a processor, implements the control method of the refrigerator according to any one of claims 4 to 6.
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| CN201810048401.2A CN108286868B (en) | 2018-01-18 | 2018-01-18 | Refrigerator and control method thereof |
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| CN110470099A (en) * | 2019-08-13 | 2019-11-19 | 南京创维家用电器有限公司 | A kind of control method of machinery air door variable-frequency electric brain refrigerator |
| CN113654298B (en) * | 2021-08-23 | 2022-05-20 | 珠海格力电器股份有限公司 | Refrigeration equipment control method, storage medium, electronic equipment and refrigeration equipment |
| CN115468372A (en) * | 2022-08-31 | 2022-12-13 | 湖北美的电冰箱有限公司 | Refrigerator temperature control method and single-temperature-control air-cooled refrigerator |
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| DE29702097U1 (en) * | 1997-02-07 | 1998-06-04 | Aeg Hausgeraete Gmbh | Air-cooled refrigeration device |
| CN103968633A (en) * | 2013-01-30 | 2014-08-06 | Lg电子株式会社 | Refrigerator and running method thereof |
| CN106352647A (en) * | 2016-08-30 | 2017-01-25 | 合肥美的电冰箱有限公司 | Temperature control method, temperature control device and refrigerator |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29702097U1 (en) * | 1997-02-07 | 1998-06-04 | Aeg Hausgeraete Gmbh | Air-cooled refrigeration device |
| CN103968633A (en) * | 2013-01-30 | 2014-08-06 | Lg电子株式会社 | Refrigerator and running method thereof |
| CN106352647A (en) * | 2016-08-30 | 2017-01-25 | 合肥美的电冰箱有限公司 | Temperature control method, temperature control device and refrigerator |
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