CN114526570A - Refrigerator and ice making control method of refrigerator - Google Patents

Refrigerator and ice making control method of refrigerator Download PDF

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Publication number
CN114526570A
CN114526570A CN202210132126.9A CN202210132126A CN114526570A CN 114526570 A CN114526570 A CN 114526570A CN 202210132126 A CN202210132126 A CN 202210132126A CN 114526570 A CN114526570 A CN 114526570A
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CN
China
Prior art keywords
ice making
gear
water
mode
time
Prior art date
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Pending
Application number
CN202210132126.9A
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Chinese (zh)
Inventor
彭洪祥
韩立利
李传金
孙迎宾
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Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202210132126.9A priority Critical patent/CN114526570A/en
Publication of CN114526570A publication Critical patent/CN114526570A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/22Construction of moulds; Filling devices for moulds
    • F25C1/25Filling devices for moulds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/12Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C2600/00Control issues
    • F25C2600/02Timing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C2600/00Control issues
    • F25C2600/04Control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/02Timing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/06Controlling according to a predetermined profile

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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)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Abstract

The invention discloses a refrigerator and an ice making control method thereof, wherein the refrigerator comprises: a first compartment; the ice maker comprises a water supply device, a water injection pipe, a heater for heating the water injection pipe, a detection device for detecting the temperature of the water injection pipe and an ice making box which is arranged in the first compartment and connected with the water injection pipe; a controller configured to: controlling the heater to perform a heating operation when it is determined that the ice-making start condition is satisfied; after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation; after the water delivery device operates for a second preset time, acquiring a second temperature through the detection device; and if the difference value obtained by subtracting the first temperature from the second temperature is larger than the first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time, wherein the first threshold value is a positive value. By adopting the embodiment of the invention, the success rate of ice making can be effectively improved.

Description

Refrigerator and ice making control method of refrigerator
Technical Field
The invention relates to the technical field of household appliances, in particular to a refrigerator and an ice making control method of the refrigerator.
Background
At present, some refrigerators have an ice making function, that is, water added by a user can be made into ice for the user to use. However, in the process of implementing the present invention, the inventor finds that the ice making time in the existing refrigerator is generally fixed, and when the temperature of the water added by the user is high, the ice making is often failed due to insufficient ice making time.
Disclosure of Invention
The embodiment of the invention provides a refrigerator and an ice making control method of the refrigerator, which can effectively improve the success rate of ice making.
An embodiment of the present invention provides a refrigerator including:
a first compartment;
the ice maker comprises a water supply device, a water injection pipe connected with an outlet of the water supply device, a heater for heating the water injection pipe, a detection device for detecting the temperature of the water injection pipe and an ice making box which is arranged in the first chamber and connected with the water injection pipe;
a controller configured to:
controlling the heater to perform a heating operation when it is determined that the ice-making start condition is satisfied;
after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation;
after the water supply device operates for a second preset time, acquiring a second temperature through the detection device;
if the difference value obtained by subtracting the first temperature from the second temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention judges whether hot water is injected or not by detecting whether the temperature change of the water injection pipe before and after water injection reaches the first threshold value, namely a certain positive temperature difference, and correspondingly prolongs the ice making time when the hot water is injected, so that the failure of ice making caused by insufficient ice making time is prevented, and the success rate of ice making can be effectively improved.
As an improvement of the above, the refrigerator further comprises a second compartment, the temperature of the second compartment is higher than that of the first compartment;
the water delivery device comprises a water box, an upper water pipe, a water pump and a lower water pipe which are arranged in the second chamber; the water pump is connected with the water box through the upper water pipe, and the water pump is connected with the water injection pipe through the lower water pipe;
the controller is further configured to:
if the difference value obtained by subtracting the first temperature from the second temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value;
if the difference value is larger than or equal to the second threshold value and smaller than or equal to the first threshold value, detecting the temperature change value of the water injection pipe for multiple times through the detection device within a period of time, and judging whether the temperature change values detected for multiple times are all larger than or equal to the second threshold value and smaller than or equal to the first threshold value;
if so, controlling the ice maker to stop working;
if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
In this embodiment, whether cold water is injected is determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a second threshold, that is, a certain negative temperature difference, and ice is made at a normal target ice making time when it is determined that cold water is injected, so that the ice making time is prevented from being too long, and whether water with a temperature close to that of the water injection pipe is injected or water shortage is accurately determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a first threshold or a second threshold in combination with the temperature change value of the water injection pipe detected many times, and when water shortage is determined, the ice making machine is controlled to stop working, so that the ice making machine is prevented from idling.
As an improvement of the above, the acquiring of the target ice making time includes:
acquiring a current set gear of the first compartment;
acquiring a current ice making mode set by a user;
and determining the target ice making time corresponding to the current set gear and the current ice making mode according to the corresponding relation among the preset gear, the ice making mode and the ice making time.
In this embodiment, the currently set gear of the first compartment and the current ice making mode set by the user are obtained to determine the corresponding target ice making time, so that the matching degree of the ice making time, the refrigerating capacity and the user requirement can be improved, and the ice making efficiency is improved.
As an improvement of the above, the higher the set gear of the first compartment is, the lower the temperature in the first compartment is; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
As a modification of the above, the set gear of the first chamber is divided into first to fifth gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
Another embodiment of the present invention provides an ice making control method of a refrigerator, the refrigerator including a first compartment and an ice maker, the ice maker including a water supply device, a water filling pipe connected to an outlet of the water supply device, a heater for heating the water filling pipe, a detection device for detecting a temperature of the water filling pipe, and an ice making housing provided in the first compartment and connected to the water filling pipe; the method comprises the following steps:
controlling the heater to perform a heating operation when it is determined that the ice-making start condition is satisfied;
after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation;
after the water supply device operates for a second preset time, acquiring a second temperature through the detection device;
if the difference value obtained by subtracting the first temperature from the second temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
Compared with the prior art, the ice making control method of the refrigerator disclosed by the embodiment of the invention judges whether hot water is injected or not by detecting whether the temperature change of the water injection pipe before and after water injection reaches the first threshold value, namely a certain positive temperature difference, and correspondingly prolongs the ice making time when the hot water is injected, so that the ice making failure caused by insufficient ice making time is prevented, and the success rate of ice making can be effectively improved.
As an improvement of the above, the refrigerator further comprises a second compartment, the temperature of the second compartment is higher than that of the first compartment;
the water delivery device comprises a water box, an upper water pipe, a water pump and a lower water pipe which are arranged in the second chamber; the water pump is connected with the water box through the upper water pipe, and the water pump is connected with the water injection pipe through the lower water pipe;
the method further comprises the following steps:
if the difference value obtained by subtracting the first temperature from the second temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value;
if the difference value is larger than or equal to the second threshold value and smaller than or equal to the first threshold value, detecting the temperature change value of the water injection pipe for multiple times through the detection device within a period of time, and judging whether the temperature change values detected for multiple times are all larger than or equal to the second threshold value and smaller than or equal to the first threshold value;
if so, controlling the ice maker to stop working;
if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
In this embodiment, whether cold water is injected is determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a second threshold, that is, a certain negative temperature difference, and ice is made at a normal target ice making time when it is determined that cold water is injected, so that the ice making time is prevented from being too long, and whether water with a temperature close to that of the water injection pipe is injected or water shortage is accurately determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a first threshold or a second threshold in combination with the temperature change value of the water injection pipe detected many times, and when water shortage is determined, the ice making machine is controlled to stop working, so that the ice making machine is prevented from idling.
As an improvement of the above, the acquiring of the target ice making time includes:
acquiring a current set gear of the first compartment;
acquiring a current ice making mode set by a user;
and determining the target ice making time corresponding to the current set gear and the current ice making mode according to the corresponding relation among the preset gear, the ice making mode and the ice making time.
In this embodiment, the currently set gear of the first compartment and the current ice making mode set by the user are obtained to determine the corresponding target ice making time, so that the matching degree of the ice making time, the refrigerating capacity and the user requirement can be improved, and the ice making efficiency is improved.
As an improvement of the above, the higher the set gear of the first compartment is, the lower the temperature in the first compartment is; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
As a modification of the above, the set gear of the first chamber is divided into first to fifth gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a working flow of a controller of a refrigerator according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view illustrating a refrigerator according to an embodiment of the present invention;
fig. 4 is a schematic flowchart illustrating a working process of a controller of a refrigerator according to an embodiment of the present invention;
fig. 5 is a schematic flowchart illustrating a working process of a controller of a refrigerator according to an embodiment of the present invention;
fig. 6 is a schematic flowchart illustrating a working process of a controller of a refrigerator according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating an ice making control method of a refrigerator according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating an ice making control method of a refrigerator according to an embodiment of the present invention;
fig. 9 is a flowchart illustrating an ice making control method of a refrigerator according to an embodiment of the present invention;
fig. 10 is a flowchart illustrating an ice making control method of a refrigerator according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1, a schematic structural diagram of a refrigerator according to an embodiment of the present invention is shown; fig. 2 is a schematic diagram of a working flow of a controller of a refrigerator according to an embodiment of the present invention.
An embodiment of the present invention provides a refrigerator including:
a first compartment;
an ice maker 10 including a water supply device 11, a water injection pipe 12 connected to an outlet of the water supply device 11, a heater 13 for heating the water injection pipe 12, a detection device 14 for detecting a temperature of the water injection pipe 12, and an ice making housing 15 provided in the first compartment and connected to the water injection pipe 12;
a controller 20 configured to:
s11, controlling the heater 13 to perform a heating operation when it is determined that the ice-making start condition is satisfied;
s12, after the heater 13 operates for a first preset time, obtaining a first temperature through the detection device 14, and controlling the water delivery device 11 to perform a water delivery operation;
s13, obtaining a second temperature through the detection device 14 after the water supply device 11 operates for a second preset time;
s14, if the difference value of the second temperature minus the first temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
For example, the ice making starting condition may be that an ice making instruction sent by a user is received, or a preset ice making cycle is reached, or of course, other conditions may also be used, which are not limited herein.
It should be noted that the water injection pipe 12 is a member connecting the water delivery device 11 and the ice making housing 15, and the ice making housing 15 is placed in the first compartment, so the end of the water injection pipe 12 is also in the first compartment, the temperature is low, and icing is likely to occur, and therefore the heater 13 is provided in this embodiment to heat the water injection pipe 12 to prevent failure of water injection due to icing. Illustratively, the water injection pipe 12 in this embodiment may be made of a material with good thermal conductivity so as to be heated to a high temperature and also to be rapidly cooled by water flow within a short time of water injection. Alternatively, in the present embodiment, the portion of the water injection pipe 12 in contact with the heater 13 is an aluminum pipe.
Optionally, referring to fig. 3, the ice maker 10 may further include an ice-turning module 16 including an ice-turning lever and an ice-turning motor, and the controller 20 is further configured to control the ice-turning lever to turn ice by controlling the ice-turning motor when it is determined that ice making is completed.
Alternatively, the refrigerator may further include a prompting device, and the controller 20 is further configured to control the prompting device to issue an ice making completion prompt when it is determined that the ice making is completed.
Alternatively, referring to fig. 3, the sensing device 14 may be disposed beside the heater 13 to closely contact the water injection pipe 12, thereby accurately measuring the temperature of the water injection pipe 12.
Alternatively, the heater 13 may be set to a high heating power so that the water injection pipe 12 can be heated to a suitable temperature in a short time. In this embodiment, the suitable temperature of the water injection pipe 12 is 10-15 ℃, and the first preset time may be set according to the suitable temperature and the power of the heater 13, and is not limited herein.
In the present embodiment, the water supply time of the water supply device 11 may be set according to the water flow rate, and is not limited herein.
Illustratively, in order to ensure the accuracy of the temperature change determination, the second preset time is 2 min.
In this embodiment, the first threshold may be set according to the heating temperature of the water injection pipe 12 and the second preset time, which is not limited herein. Illustratively, the preset difference threshold is +1 ℃ when the heating temperature of the water injection pipe 12 is 10-15 ℃ and the second preset time is 2 min.
Illustratively, the first compartment may be a freezing compartment or a low-temperature compartment separately set up for making ice. It can be understood that the refrigerator further includes a refrigeration system for providing refrigeration capacity for each compartment, which is not described herein.
It can be understood that, in the ice making process, if the temperature of the water output by the water delivery device 11 is high, the water temperature and the water injection pipe 12 have a large positive temperature difference, and in this case, the water injection can be determined whether to inject the hot water according to whether the temperature change of the water injection pipe 12 reaches a certain positive temperature difference.
It can be understood that the accumulated ice making time refers to an accumulated time length of the current ice making, and is not described herein.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention judges whether hot water is injected or not by detecting whether the temperature change of the water injection pipe 12 before and after water injection reaches a first threshold value, namely a certain positive temperature difference, and correspondingly prolongs the ice making time when the hot water is injected, so that the ice making failure caused by insufficient ice making time is prevented, and the success rate of ice making can be effectively improved.
As an alternative embodiment, referring to fig. 3, in addition to the first compartment 01, the refrigerator further comprises at least one second compartment 02, the temperature of the second compartment 02 being higher than that of the first compartment 01;
the water delivery device 11 comprises a water box 111, an upper water pipe 112, a water pump 113 and a lower water pipe 114 which are arranged in the second compartment 02; the water pump 113 is connected with the water box 111 through the upper water pipe 112, and the water pump 113 is connected with the water injection pipe 12 through the lower water pipe 114.
Referring to fig. 4, the controller 20 is further configured to:
s15, if the difference value of the second temperature minus the first temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value.
Illustratively, the preset difference threshold is-1 ℃ when the heating temperature of the water injection pipe 12 is 10-15 ℃ and the second preset time is 2 min.
For example, the second compartment may be a compartment having a temperature higher than 0 ℃, such as a refrigerating compartment or a temperature-variable compartment, to prevent the water box 111 from freezing. Wherein the water box 111 may be arranged at the bottom of said second compartment 02, where an air outlet and a damper are provided, which may be maintained at a low temperature, for example at 0-3 ℃. The water pump 113 pumps water in the water box 111 through the upper water pipe 112 and injects the water into the water injection pipe 12 through the lower water pipe 114.
It can be understood that, in the ice making process, if the water output by the water supply device 11 is cold water, for example, 0-3 ℃, and the water injection pipe 12 reaches a higher temperature after being heated by the heater 13, the water temperature and the water injection pipe 12 have a larger negative temperature difference, and in this case, the water injection can be determined whether to inject cold water according to whether the temperature change of the water injection pipe 12 reaches a certain negative temperature difference.
Further, the controller 20 is also configured to, with reference to fig. 5:
s16, if it is determined that the difference is greater than or equal to the second threshold and less than or equal to the first threshold, detecting the temperature variation value of the water injection pipe 12 multiple times by the detection device 14 within a period of time, and determining whether the temperature variation values detected multiple times are both greater than or equal to the second threshold and less than or equal to the first threshold; if yes, controlling the ice maker 10 to stop working; if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
It can be understood that, in the ice making process, if the water temperature in the water box is equal to the temperature of the water injection pipe 12, a positive temperature difference or a negative temperature difference cannot be formed, the hot water/cold water judgment is not established, at this time, the water injection failure is not judged, but normal ice making/water injection is continued, after a plurality of cycles, the water temperature should be balanced to the temperature of the air in the second chamber, at this time, the cold water judgment condition should be established, if the water injection failure is not established, the water injection failure is judged, and the accuracy of the water injection failure judgment can be improved.
Illustratively, controlling the ice maker 10 to stop operating includes: stopping heating, filling water and making ice.
In this embodiment, it is determined whether cold water is injected by detecting whether the temperature change of the water injection pipe 12 before and after water injection reaches the second threshold, that is, a certain negative temperature difference, and ice is made at a normal target ice making time when it is determined that cold water is injected, so that the ice making time is prevented from being excessively long, and it is determined whether water having a temperature close to that of the water injection pipe 12 is injected or water shortage by detecting whether the temperature change of the water injection pipe 12 before and after water injection reaches the first threshold or the second threshold in combination with the temperature change value of the water injection pipe 12 detected many times, and when it is determined that water shortage occurs, the ice making machine 10 is controlled to stop operating, so that the ice making machine 10 is prevented from idling.
Further, the refrigerator may further include a prompting device, and after the controlling the ice maker 10 to stop operating, the controller 20 is further configured to:
detecting the current temperature of the water injection pipe 12 by the detection device 14;
and if the current temperature is greater than a third threshold value, controlling the prompting device to send out a water shortage prompt.
In this embodiment, if it is determined that the water injection has failed, the temperature of the water injection sensor is further detected, and if it is higher than the third threshold, it indicates that the water injection pipe 12 is not frozen, and it can be concluded that the water cartridge is empty, and the user is alerted on the display panel that water is short and water needs to be replenished. Wherein the third threshold is greater than 0, e.g. 3 ℃.
As an alternative example, referring to fig. 6, in the steps S14, S15, S18, the acquiring the target ice making time includes:
s101, acquiring a current set gear of the first compartment;
s102, acquiring a current ice making mode set by a user;
s103, determining the target ice making time corresponding to the current set gear and the current ice making mode according to the preset corresponding relationship among the set gear, the ice making mode and the ice making time.
In this embodiment, the currently set gear of the first compartment and the current ice making mode set by the user are obtained to determine the corresponding target ice making time, so that the matching degree of the ice making time, the refrigerating capacity and the user requirement can be improved, and the ice making efficiency is improved.
Further, the higher the set gear of the first compartment is, the lower the temperature in the first compartment is; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
Specifically, the set gear of the first chamber is divided into first to fifth gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
Fig. 7 is a schematic flowchart of an ice making control method for a refrigerator according to an embodiment of the present invention.
Another embodiment of the present invention provides an ice making control method of a refrigerator, the refrigerator including a first compartment and an ice maker, the ice maker including a water supply device, a water filling pipe connected to an outlet of the water supply device, a heater for heating the water filling pipe, a detection device for detecting a temperature of the water filling pipe, and an ice making housing provided in the first compartment and connected to the water filling pipe; the method comprises the following steps:
s21, when the ice making starting condition is determined to be met, controlling the heater to perform heating operation;
s22, after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation;
s23, after the water supply device operates for a second preset time, acquiring a second temperature through the detection device;
s24, if the difference value of the second temperature minus the first temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
For example, the ice making starting condition may be that an ice making instruction sent by a user is received, or a preset ice making cycle is reached, or of course, other conditions may also be used, which are not limited herein.
It should be noted that the water injection pipe is a component connecting the water delivery device and the ice making box, and the ice making box is placed in the first compartment, so the end of the water injection pipe is also in the first compartment, the temperature is low, and icing is easy to occur. For example, the water injection pipe in this embodiment may be made of a material with good thermal conductivity so as to be heated to a high temperature, and also to be rapidly cooled by the water flow within a short time of water injection. Alternatively, in the present embodiment, the portion of the water injection pipe that contacts the heater is an aluminum pipe.
Optionally, the ice maker may further include an ice turning lever and an ice turning motor, and the method further includes: and when the ice making is determined to be finished, controlling the ice turning rod to turn the ice by controlling the ice turning motor.
Optionally, the refrigerator may further include a prompting device, and the method further includes: and when the ice making is determined to be finished, controlling the prompting device to give an ice making finishing prompt.
Alternatively, the detection device may be disposed beside the heater and closely attached to the water injection pipe, so as to accurately measure the temperature of the water injection pipe.
Alternatively, the heater may be set to a high heating power so that the water injection pipe can be heated to a suitable temperature in a short time. In this embodiment, the suitable temperature of the water injection pipe is 10 to 15 ℃, and the first preset time may be set according to the suitable temperature and the heater power, which is not limited herein.
In the present embodiment, the water supply time of the water supply device may be set according to the water flow rate, and is not limited herein.
Illustratively, in order to ensure the accuracy of the temperature change determination, the second preset time is 2 min.
In this embodiment, the first threshold may be set according to a heating temperature of the water injection pipe and a second preset time, which is not limited herein. Illustratively, the preset difference threshold is +1 ℃ when the heating temperature of the water injection pipe is 10-15 ℃ and the second preset time is 2 min.
Illustratively, the first compartment may be a freezing compartment or a low-temperature compartment separately set up for making ice. It can be understood that the refrigerator further includes a refrigeration system for providing refrigeration capacity for each compartment, which is not described herein.
It can be understood that, in the ice making process, if the temperature of the water output by the water delivery device is higher, the water temperature and the water injection pipe have larger positive temperature difference, and in this case, the water injection can be carried out by judging whether the hot water is injected or not through whether the temperature change of the water injection pipe reaches a certain positive temperature difference or not.
Compared with the prior art, the ice making control method of the refrigerator disclosed by the embodiment of the invention judges whether hot water is injected or not by detecting whether the temperature change of the water injection pipe before and after water injection reaches the first threshold value, namely a certain positive temperature difference, and correspondingly prolongs the ice making time when the hot water is injected, so that the ice making failure caused by insufficient ice making time is prevented, and the success rate of ice making can be effectively improved.
As an alternative embodiment, the refrigerator further comprises at least one second compartment, the temperature of the second compartment being higher than that of the first compartment;
the water delivery device comprises a water box, an upper water pipe, a water pump and a lower water pipe which are arranged in the second chamber; the water pump is connected with the water box through the upper water pipe, and the water pump is connected with the water injection pipe through the lower water pipe;
referring to fig. 8, the method further includes:
s25, if the difference value of the second temperature minus the first temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value.
Illustratively, the preset difference threshold is-1 ℃ when the heating temperature of the water injection pipe is 10-15 ℃ and the second preset time is 2 min.
For example, the second compartment may be a compartment having a temperature higher than 0 ℃, such as a refrigerating compartment or a temperature-variable compartment, to prevent the water box from freezing. Wherein the water box can be arranged at the bottom of the second compartment, and an air outlet and a damper are arranged at the bottom of the second compartment, so that the temperature can be kept low, such as 0-3 ℃. The water pump pumps water in the water box through the water feeding pipe and injects the water into the water injection pipe through the water discharging pipe.
It can be understood that, in the ice making process, if the water output by the water supply device is cold water, for example, 0-3 ℃, and the water injection pipe is heated by the heater to reach a higher temperature, the water temperature and the water injection pipe have a larger negative temperature difference, and in this case, the water injection can be performed by determining whether the cold water is injected or not by determining whether the temperature change of the water injection pipe reaches a certain negative temperature difference.
Further, referring to fig. 9, the method further includes:
s26, if the difference value is determined to be larger than or equal to the second threshold value and smaller than or equal to the first threshold value, detecting the temperature change value of the water injection pipe for multiple times through the detection device within a period of time, and judging whether the temperature change values detected for multiple times are all larger than or equal to the second threshold value and smaller than or equal to the first threshold value; if so, controlling the ice maker to stop working; if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
It can be understood that, in the ice making process, if the water temperature in the water box is equal to the temperature of the water injection pipe, a positive temperature difference or a negative temperature difference cannot be formed, the hot water/cold water judgment is not established, at this time, the water injection failure is not judged, but normal ice making/water injection is continued, after a plurality of cycles, the water temperature should be balanced to the temperature of the air in the second chamber, at this time, the cold water judgment condition should be established, if the water injection failure is not established, the water injection failure is judged, and the accuracy of the water injection failure judgment can be improved.
Illustratively, controlling the ice maker to stop operating comprises: heating, water filling and ice making were stopped.
In this embodiment, whether cold water is injected is determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a second threshold, that is, a certain negative temperature difference, and ice is made at a normal target ice making time when it is determined that cold water is injected, so that the ice making time is prevented from being too long, and whether water with a temperature close to that of the water injection pipe is injected or water shortage is accurately determined by detecting whether the temperature change of the water injection pipe before and after water injection reaches a first threshold or a second threshold in combination with the temperature change value of the water injection pipe detected many times, and when water shortage is determined, the ice making machine is controlled to stop working, so that the ice making machine is prevented from idling.
Further, the refrigerator may further include a prompting device, and after the controlling the ice maker to stop operating, the method further includes:
detecting the current temperature of the water injection pipe through the detection device;
and if the current temperature is greater than a third threshold value, controlling the prompting device to send out a water shortage prompt.
In this embodiment, if it is determined that the water injection has failed, the temperature of the water injection sensor is further detected, and if it is higher than the third threshold, it indicates that the water injection pipe is not frozen, and it can be concluded that the water cartridge is empty, and the user is alerted on the display panel that water is short and water needs to be replenished. Wherein the third threshold is greater than 0, e.g. 3 ℃.
As an alternative example, referring to fig. 10, in the steps S14, S15, and S18, the acquiring the target ice making time includes:
s201, acquiring a current set gear of the first compartment;
s202, acquiring a current ice making mode set by a user;
s203, determining the target ice making time corresponding to the current set gear and the current ice making mode according to the preset corresponding relationship among the set gear, the ice making mode and the ice making time.
In this embodiment, the currently set gear of the first compartment and the current ice making mode set by the user are obtained to determine the corresponding target ice making time, so that the matching degree of the ice making time, the refrigerating capacity and the user requirement can be improved, and the ice making efficiency is improved.
Further, the higher the set gear of the first compartment is, the lower the temperature in the first compartment is; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
Specifically, the set gear of the first chamber is divided into first to fifth gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
Another embodiment of the present invention further provides a terminal device, where the terminal device of this embodiment includes: a processor, a memory, and a computer program stored in and executable on the memory, such as the ice-making control method of the refrigerator as described in any of the above embodiments. The processor implements the steps in the ice-making control method embodiments of the refrigerator described above when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of the computer program in the terminal device.
The terminal device may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a terminal device and does not constitute a limitation of a terminal device, and may include more or less components than those shown, or combine certain components, or different components, for example, the terminal device may also include input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the terminal device and connects the various parts of the whole terminal device using various interfaces and lines.
The memory may be used for storing the computer programs and/or modules, and the processor may implement various functions of the terminal device by executing or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the terminal device integrated module/unit can be stored in a computer readable storage medium if it is implemented in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments described above may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A refrigerator, characterized by comprising:
a first compartment;
the ice maker comprises a water supply device, a water injection pipe connected with an outlet of the water supply device, a heater for heating the water injection pipe, a detection device for detecting the temperature of the water injection pipe and an ice making box which is arranged in the first chamber and connected with the water injection pipe;
a controller configured to:
controlling the heater to perform a heating operation when it is determined that the ice-making start condition is satisfied;
after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation;
after the water supply device operates for a second preset time, acquiring a second temperature through the detection device;
if the difference value obtained by subtracting the first temperature from the second temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
2. The refrigerator of claim 1, further comprising a second compartment having a higher temperature than the first compartment;
the water delivery device comprises a water box, an upper water pipe, a water pump and a lower water pipe which are arranged in the second chamber; the water pump is connected with the water box through the upper water pipe, and the water pump is connected with the water injection pipe through the lower water pipe;
the controller is further configured to:
if the difference value obtained by subtracting the first temperature from the second temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value;
if the difference value is larger than or equal to the second threshold value and smaller than or equal to the first threshold value, detecting the temperature change value of the water injection pipe for multiple times through the detection device within a period of time, and judging whether the temperature change values detected for multiple times are all larger than or equal to the second threshold value and smaller than or equal to the first threshold value;
if so, controlling the ice maker to stop working;
if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
3. The refrigerator of claim 1 or 2, wherein the acquiring the target ice making time includes:
acquiring a current set gear of the first compartment;
acquiring a current ice making mode set by a user;
and determining the target ice making time corresponding to the current set gear and the current ice making mode according to the corresponding relation among the preset gear, the ice making mode and the ice making time.
4. The refrigerator according to claim 3, wherein the higher the set gear of the first compartment, the lower the temperature in the first compartment; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
5. The refrigerator as claimed in claim 4, wherein the set gear of the first compartment is classified into one to five gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
6. An ice making control method of a refrigerator is characterized in that the refrigerator comprises a first compartment and an ice maker, wherein the ice maker comprises a water delivery device, a water injection pipe connected with an outlet of the water delivery device, a heater used for heating the water injection pipe, a detection device used for detecting the temperature of the water injection pipe and an ice making box arranged in the first compartment and connected with the water injection pipe; the method comprises the following steps:
controlling the heater to perform a heating operation when it is determined that the ice-making start condition is satisfied;
after the heater operates for a first preset time, acquiring a first temperature through the detection device, and controlling the water delivery device to execute water delivery operation;
after the water supply device operates for a second preset time, acquiring a second temperature through the detection device;
if the difference value obtained by subtracting the first temperature from the second temperature is larger than a first threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the sum of the target ice making time and preset time; wherein the first threshold is a positive value.
7. The ice-making control method of a refrigerator according to claim 6, wherein the refrigerator further comprises a second compartment having a higher temperature than the first compartment;
the water delivery device comprises a water box, an upper water pipe, a water pump and a lower water pipe which are arranged in the second chamber; the water pump is connected with the water box through the upper water pipe, and the water pump is connected with the water injection pipe through the lower water pipe;
the method further comprises the following steps:
if the difference value obtained by subtracting the first temperature from the second temperature is smaller than a second threshold value, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time; wherein the second threshold is a negative value;
if the difference value is larger than or equal to the second threshold value and smaller than or equal to the first threshold value, detecting the temperature change value of the water injection pipe for multiple times through the detection device within a period of time, and judging whether the temperature change values detected for multiple times are all larger than or equal to the second threshold value and smaller than or equal to the first threshold value;
if so, controlling the ice maker to stop working;
if not, acquiring target ice making time, and judging that ice making is finished when the accumulated ice making time reaches the target ice making time.
8. The ice making control method of a refrigerator according to claim 6 or 7, wherein the acquiring the target ice making time includes:
acquiring a current set gear of the first compartment;
acquiring a current ice making mode set by a user;
and determining the target ice making time corresponding to the current set gear and the current ice making mode according to the corresponding relation among the preset gear, the ice making mode and the ice making time.
9. An ice making control method of a refrigerator according to claim 8, wherein the higher the set gear of said first compartment is, the lower the temperature in said first compartment is; the ice making mode comprises a normal ice making mode and an ice speed mode;
then, in the corresponding relation, when the set gear is the same, the ice making time corresponding to the common ice making mode is longer than the ice making time corresponding to the fast ice making mode; when the ice making mode is the same, the higher the set gear is, the shorter the corresponding ice making time is.
10. An ice making control method of a refrigerator according to claim 9, wherein the set gear of the first compartment is classified into one to five gears;
then, the correspondence specifically includes:
when the set gear is a first gear or a second gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.2 hours;
when the set gear is a first gear or a second gear and the ice making mode is an ice speed mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 2.0 hours;
when the set gear is a third gear or a fourth gear and the ice making mode is a quick ice mode, the ice making time is more than or equal to 1.6 hours;
when the set gear is a fifth gear and the ice making mode is a common ice making mode, the ice making time is more than or equal to 1.8 hours;
when the set gear is the fifth gear and the ice making mode is the quick ice mode, the ice making time is greater than or equal to 1.4 hours.
CN202210132126.9A 2022-02-14 2022-02-14 Refrigerator and ice making control method of refrigerator Pending CN114526570A (en)

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JP2002286335A (en) * 2001-03-28 2002-10-03 Sanyo Electric Co Ltd Cell type ice making machine
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CN112460875A (en) * 2020-11-27 2021-03-09 珠海格力电器股份有限公司 Ice making time adjusting method and device, storage medium and refrigerator
CN113970219A (en) * 2021-10-27 2022-01-25 海信(山东)冰箱有限公司 Refrigerator and control method thereof
CN113970220A (en) * 2021-10-27 2022-01-25 海信(山东)冰箱有限公司 Refrigerator and ice making control method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0755304A (en) * 1993-08-10 1995-03-03 Matsushita Refrig Co Ltd Refrigerator
JP2002286335A (en) * 2001-03-28 2002-10-03 Sanyo Electric Co Ltd Cell type ice making machine
JP2006105559A (en) * 2004-10-08 2006-04-20 Sanyo Electric Co Ltd Ice machine
JP2007255804A (en) * 2006-03-24 2007-10-04 Hitachi Appliances Inc Refrigerator
JP2013190174A (en) * 2012-03-14 2013-09-26 Fukushima Industries Corp Ice making machine
CN103940184A (en) * 2014-04-08 2014-07-23 河南新飞制冷器具有限公司 Ice machine for air-cooled refrigerator and control method of ice machine for air-cooled refrigerator
CN112460875A (en) * 2020-11-27 2021-03-09 珠海格力电器股份有限公司 Ice making time adjusting method and device, storage medium and refrigerator
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CN113970220A (en) * 2021-10-27 2022-01-25 海信(山东)冰箱有限公司 Refrigerator and ice making control method thereof

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