CN118794178B - Ice making method of ice making machine - Google Patents
Ice making method of ice making machine Download PDFInfo
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- CN118794178B CN118794178B CN202411288972.5A CN202411288972A CN118794178B CN 118794178 B CN118794178 B CN 118794178B CN 202411288972 A CN202411288972 A CN 202411288972A CN 118794178 B CN118794178 B CN 118794178B
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- ice
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- evaporator
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- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000005086 pumping Methods 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 description 7
- 239000005457 ice water Substances 0.000 description 6
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/04—Producing ice by using stationary moulds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
- F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
- F25C5/08—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice
- F25C5/10—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice using hot refrigerant; using fluid heated by refrigerant
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
The invention provides an ice making method of an ice maker, which comprises a box body, an ice making assembly, an ice removing assembly, an ice making box and a water pumping device, wherein the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and an evaporator, the ice removing assembly is communicated into the evaporator through high-temperature exhaust to carry out temperature rise and ice removing, the ice making method comprises the following steps of S1, the ice making box is operated to an ice making state, the water pumping device pumps water in a water containing cavity into the ice making box, S3, the ice making assembly starts to work, ice cubes are formed in the ice making box and are adhered to an ice making column of the evaporator, S4, when the temperature of the ice cubes made in the ice making box reaches normal temperature ice of-2 to-15 ℃, the ice making assembly continuously operates to cool the ice cubes, and S5, when the temperature of the ice cubes reaches low temperature ice of-15 to-30 ℃, the ice removing assembly starts to work to carry out ice removing, and the ice removing from the ice making column is carried out.
Description
Technical Field
The invention relates to an ice making technology, in particular to an ice making method of an ice maker.
Background
At present, an ice maker is a refrigerating device which cools water by a refrigerant in a refrigerating system through an evaporator to generate ice, and the method for making ice by the evaporator comprises (1) immersing a water tank into water, (2) spraying the water through a nozzle, and (3) flowing water from top to bottom and utilizing various ice making modes such as ice making grid refrigeration at a place where the water is inclined.
The common household ice maker generally comprises a box body, an ice making mechanism for making ice cubes, an ice basket for receiving the ice cubes made by the ice making mechanism, a water storage mechanism for receiving water output by the ice making mechanism and a water flow partition plate for respectively guiding the ice cubes and the water, wherein during ice making, the water storage mechanism firstly injects water into the turnover water box, then a compressor on the ice making mechanism is started, and a refrigerant flows back to the compressor after flowing through a condenser, a capillary tube and an evaporator (a freezing disc) in sequence, and cools the turnover water box and the water in the turnover water box through the freezing disc. In the process of ice making, liquid is cooled and solidified on the surface of an ice making column of a freezing disc to form ice cubes, when enough ice is condensed, a compressor is turned off, refrigerant circulation is stopped, then the ice making column is heated by an electric heater or by controlling the refrigerant of the compressor to flow reversely, the temperature of the ice making column is increased, the ice cubes adhered to the ice making column are separated from the ice making column after being heated and melted, then ice is removed, the ice is put into ice water of a turnover water box, and then the turnover motor drives the turnover water box to rotate, so that an ice-water mixture in the turnover water box sequentially passes through an inclined guide plate and a water flow partition plate and then falls into an ice basket and a water storage mechanism respectively, and water outlet and ice removal are completed. Or the water flowing obliquely from top to bottom is refrigerated and made into ice through the ice making grid.
The ice maker and the ice making control method thereof have the defects that the ice making state in the water box or the ice making grid is judged by simply detecting the temperature through the temperature sensor arranged at the position of the water box or the ice making grid, namely, an open-loop control mode is adopted, the ice making time is fixed, the consistency and the quality of the ice cubes are affected under different conditions, the quality aspect of the ice maker is mainly characterized in that the compactness and the cold quantity of the ice cubes are not uniform, and certain ice cubes are easy to melt and are not durable in use.
In addition, in the existing ice maker and the ice making control method thereof, the contact distance between the inner surface and the outer surface of each ice cube or each ice cube in the ice cube tray is different from the contact distance between the inner surface and the inner wall of each ice cube in the ice cube tray, namely, the contact distance between the inner surface and the inner surface of each ice cube is different from the contact distance between the inner surface and the inner surface of each ice cube in the ice cube tray, the refrigerating temperature of each ice cube in the ice cube tray is generally about 3 ℃ when the ice cubes formed on the existing ice cube tray are separated from the ice cubes to enter the ice water of the ice cube tray after the ice cubes are formed, the temperature of the ice cubes in the ice cube tray is generally about-12 ℃ to-15 ℃, the temperature of the ice cube tray is generally about-9 ℃ to-11 ℃ due to the fact that the inner surface of each ice cube is in direct contact with the ice cube tray, the temperature of 5mm of each ice cube is generally about-5 ℃ to-7 ℃ from the outer surface of each ice cube, namely, the existing ice making mode can lead to ice cubes which are formed in a small and the ice cubes which are not uniform when the ice cubes are formed, and the ice cubes are not in a uniform temperature between the ice cube is not in a uniform condition, and the ice cube is not easy to be formed, and the ice cube is not in a proper condition when the ice cube is far from the ice is far from the ice source.
Disclosure of Invention
The invention provides an ice making method of an ice maker, which is used for rapidly and simply preparing low-temperature ice at-15 ℃ to-30 ℃ by secondarily cooling ice cubes in an ice making column or an ice making grid, so that the compactness and the coldness of the ice cubes are effectively improved, and the consistency and the quality of the ice cubes are improved.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making box and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device can pump water from the water containing cavity into the ice making box, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, and the ice removing assembly leads high-temperature exhaust gas of the compressor into the evaporator through an electromagnetic valve and a three-way pipe to heat and remove ice, and the ice making method comprises the following steps of:
S1, the ice making box is operated to the ice making state position;
S2, pumping water in the water containing cavity into the ice making box by the water pumping device;
S3, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making column of an evaporator, enabling the temperature of the outer wall of the ice making column to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making column to form ice cubes;
S4, when the temperature of ice cubes reaches normal temperature ice of minus 2 to minus 15 ℃, the ice making box is operated to a drainage state, water in the ice making box is emptied to enable the water to flow back into the water containing cavity, at the moment, the ice cubes are directly suspended and exposed in the air, and as the suspended and exposed ice cubes are not increased, the ice cubes can continuously store cold energy, and the temperature of the ice cubes can be reduced in one step;
S5, when ice blocks reach low temperature ice of-15 to-30 ℃ after time t2, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high temperature liquid or gas generated during the operation of the compressor is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making column is increased to the temperature of the ice melting temperature evaporator to be heated for ice removing, and the ice blocks fall off from the ice making column;
S6, pushing out the ice cubes by the operation of the ice making box, and completing the preparation of the ice cubes.
The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making grid and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device pumps water from the water containing cavity to a shunt pipe, the water flows through the ice making grid and returns to the water containing cavity after being shunted, the ice making grid and the evaporator are combined and fixed into a whole, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, and the ice removing assembly leads high-temperature exhaust of the compressor to the evaporator through an electromagnetic valve and a three-way pipe for heating and ice removing, and the ice making method comprises the following steps of:
s1, a water pumping device pumps water in a water containing cavity to a shunt pipe and flows through an ice making grid;
s2, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making grid of an evaporator, enabling the temperature of the ice making grid to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making grid to form ice cubes;
S3, when the temperature of the ice blocks reaches normal-temperature ice of minus 2 to minus 15 ℃ after the time t1, stopping water supply by the water pumping device, and enabling the ice blocks not to increase any more, so that the ice blocks can continuously store cold, and the temperature of the ice blocks is reduced in one step;
S4, when the ice blocks reach low-temperature ice with the temperature of minus 15 ℃ to minus 30 ℃ in the time t2, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high-temperature liquid or gas generated in the working process of the compressor is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making grid is increased to the temperature of the ice making temperature of the evaporator to be increased for ice removing, the ice blocks fall off from the ice making grid, and the ice blocks are prepared.
The beneficial effects of the invention are as follows:
Compared with the existing method of adopting an ice making column to solidify ice cubes or water to flow obliquely through an ice making grid to form ice, the temperature of the ice cubes is limited by the forming volume because the ice cubes are formed by immersing the ice cubes in ice water in an ice making box or the ice making grid, and the temperature of the ice cubes is generally difficult to reach the requirement of low temperature (-15 ℃) or below.
In the embodiment, after the surface of the ice making column or the ice making grid is cooled and solidified to form normal-temperature ice cubes, the ice water in the water containing cavity in the ice making box is emptied or water flowing through the ice making grid is stopped, so that the ice cubes solidified and formed on the ice making column are directly suspended and exposed in the water containing cavity of the ice making box or the ice cubes in the ice making grid are directly controlled to be water, then the refrigerant continuously flows into the evaporator, the normal-temperature ice cubes ranging from-2 ℃ to-15 ℃ are continuously cooled and refrigerated through the ice making column or the ice making grid, and the ice cubes on the ice making column or the ice cubes in the ice making grid reach low-temperature ice ranging from-15 ℃ to-30 ℃ close to the evaporator because the suspended exposed ice cubes or the ice cubes in the ice making grid are not increased any more, namely, the ice cubes ranging from-15 ℃ to-30 ℃ are prepared through secondary cooling of the ice cubes on the ice making column or the ice cubes in the ice making grid.
When the ice cubes on the ice making column or the ice cubes in the ice making grid are consistent in size, the water supply is stopped at the position of the ice making grid or the ice making box, so that the cold energy can be continuously stored under the condition that the ice particle shape of the normal-temperature ice cubes cannot be continuously enlarged, the cold energy of the evaporator is continuously transmitted to the ice particles of the normal-temperature ice cubes under refrigeration, and the low-temperature ice which is close to the evaporator and is at the temperature of minus 15 ℃ to minus 30 ℃ is achieved, so that the ice cubes with the same particle size have lower refrigeration temperature, the compactness and the cold energy of the ice cubes are effectively improved, and the consistency and the quality of the ice cubes are improved.
The invention is described in further detail below with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1
The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making box and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device can pump water from the water containing cavity into the ice making box, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, and the ice removing assembly leads high-temperature exhaust gas of the compressor into the evaporator through an electromagnetic valve and a three-way pipe to heat and remove ice, as shown in fig. 1, the ice making method comprises the following steps:
S1, the ice making box is operated to the ice making state position;
S2, pumping water in the water containing cavity into the ice making box by the water pumping device;
S3, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making column of an evaporator, enabling the temperature of the outer wall of the ice making column to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making column to form ice cubes;
S4, when the temperature of ice cubes reaches normal temperature ice of minus 2 to minus 15 ℃, the ice making box is operated to a drainage state, water in the ice making box is emptied to enable the water to flow back into the water containing cavity, at the moment, the ice cubes are directly suspended and exposed in the air, and as the suspended and exposed ice cubes are not increased, the ice cubes can continuously store cold energy, and the temperature of the ice cubes can be reduced in one step;
S5, when ice blocks reach low temperature ice of-15 to-30 ℃ after time t2, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high temperature liquid or gas generated during the operation of the compressor is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making column is increased to the temperature of the ice melting temperature evaporator to be heated for ice removing, and the ice blocks fall off from the ice making column;
S6, pushing out the ice cubes by the operation of the ice making box, and completing the preparation of the ice cubes.
Example two
The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making grid and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device pumps water from the water containing cavity to a shunt pipe, the water flows through the ice making grid and returns to the water containing cavity after being shunted, the ice making grid and the evaporator are combined and fixed into a whole, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, the ice removing assembly discharges high-temperature air of the compressor into the evaporator through an electromagnetic valve and a three-way pipe to heat and remove ice, and the ice making method is different from the first embodiment in that ice is made in a mode that water flows through the ice making grid in a tilting mode from top to bottom, and comprises the following steps:
s1, a water pumping device pumps water in a water containing cavity to a shunt pipe and flows through an ice making grid;
s2, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making grid of an evaporator, enabling the temperature of the ice making grid to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making grid to form ice cubes;
S3, when the temperature of the ice blocks reaches normal-temperature ice of minus 2 to minus 15 ℃ after the time t1, stopping water supply by the water pumping device, and enabling the ice blocks not to increase any more, so that the ice blocks can continuously store cold, and the temperature of the ice blocks is reduced in one step;
S4, when the ice blocks reach low-temperature ice with the temperature of minus 15 ℃ to minus 30 ℃ in the time t2, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high-temperature liquid or gas generated in the working process of the compressor is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making grid is increased to the temperature of the ice making temperature of the evaporator to be increased for ice removing, the ice blocks fall off from the ice making grid, and the ice blocks are prepared.
In the two embodiments, after the ice cubes on the ice making column or the ice cubes in the ice making grid are consistent in size, the ice water in the ice making box is emptied or the water supply to the ice making grid is stopped, so that the ice particle shape of the normal-temperature ice cubes cannot be continuously enlarged, the cold energy can be continuously stored, the cold energy of the evaporator is continuously cooled and transferred to the ice particles of the normal-temperature ice cubes, the low-temperature ice at the temperature of minus 15-30 ℃ close to the evaporator is achieved, the ice cubes with the same particle size have lower cooling temperature, the compactness and the cold energy of the ice making are effectively improved, and the consistency and the quality of the ice making are improved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (2)
1. The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making box and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device can pump water from the water containing cavity into the ice making box, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, and the ice removing assembly leads high-temperature exhaust gas of the compressor into the evaporator through an electromagnetic valve and a three-way pipe to heat and remove ice, and the ice making method is characterized by comprising the following steps of:
S1, the ice making box is operated to the ice making state position;
S2, pumping water in the water containing cavity into the ice making box by the water pumping device;
S3, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making column of an evaporator, enabling the temperature of the outer wall of the ice making column to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making column to form ice cubes;
S4, when the temperature of the ice blocks reaches normal temperature ice of minus 2 to minus 15 ℃, the ice making box is operated to a drainage state, water in the ice making box is emptied to enable the water to flow back into the water containing cavity, at the moment, the ice blocks are directly suspended and exposed in the air, so that the ice particles of the normal temperature ice blocks cannot be continuously enlarged, the ice blocks can continuously store cold energy because the suspended and exposed ice blocks are not enlarged, the cold energy of the evaporator is transferred into the ice particles of the normal temperature ice blocks under continuous refrigeration, and the temperature of the ice blocks can be reduced by one step to reach low temperature ice close to the evaporator;
S5, when ice cubes reach low temperature ice with the temperature of minus 15 ℃ to minus 30 ℃ in the time t2, the ice cubes with the same particle size have lower refrigeration temperature, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high-temperature liquid or gas generated when the compressor works is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making column is increased to the temperature of the ice melting temperature evaporator to be heated for ice removing, and the ice cubes fall off from the ice making column;
S6, pushing out the ice cubes by the operation of the ice making box, and completing the preparation of the ice cubes.
2. The ice making method of the ice making machine comprises a box body, an ice making assembly, an ice removing assembly, an ice making grid and a water pumping device, wherein the ice making assembly and the ice removing assembly are arranged in a containing cavity of the box body, the box body is further provided with a water containing cavity, the water pumping device pumps water from the water containing cavity to a shunt pipe, the water flows through the ice making grid and returns to the water containing cavity after being shunted, the ice making grid and the evaporator are combined and fixed into a whole, the ice making assembly makes ice at the evaporator through a refrigerating system consisting of a compressor, a condenser, a capillary tube and the evaporator, and the ice removing assembly leads high-temperature exhaust of the compressor to the evaporator through an electromagnetic valve and a three-way pipe for heating and ice removing, and the ice making method is characterized by comprising the following steps of:
s1, a water pumping device pumps water in a water containing cavity to a shunt pipe and flows through an ice making grid;
s2, starting the ice making assembly to work, running a compressor and a fan on a condenser, enabling a refrigerant to flow into an ice making grid of an evaporator, enabling the temperature of the ice making grid to be reduced to an icing temperature, and gradually cooling and solidifying water on the surface of the ice making grid to form ice cubes;
S3, when the temperature of the ice blocks reaches normal temperature ice of minus 2 to minus 15 ℃ after the time t1, stopping water supply by the water pumping device, wherein the ice blocks are not increased any more, so that the ice particles of the normal temperature ice blocks are not enlarged continuously, the ice blocks can store cold continuously, the cold of the evaporator is transferred to the ice particles of the normal temperature ice blocks under continuous refrigeration, and the temperature of the ice blocks is reduced by one step to reach low temperature ice close to the evaporator;
s4, when the ice blocks reach low-temperature ice with the temperature of minus 15 ℃ to minus 30 ℃ in the time t2, the ice blocks with the same particle size have lower refrigeration temperature, the ice removing assembly starts to work, the electromagnetic valve is opened, the fan is stopped, high-temperature liquid or gas generated during the working of the compressor is input into the evaporator through the three-way pipeline, the temperature of the outer wall of the ice making grid is increased to the temperature of the ice melting temperature evaporator to be raised for ice removing, the ice blocks fall off from the ice making grid, and the preparation of the ice blocks is completed.
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| CN112033057B (en) * | 2020-09-28 | 2025-01-14 | 上海冰一夏机电有限公司 | Ice making device and ice making method |
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| CN112923622A (en) * | 2019-12-05 | 2021-06-08 | 青岛海尔电冰箱有限公司 | Ice maker and refrigerator including the same |
| CN211400378U (en) * | 2019-12-16 | 2020-09-01 | 浙江工业大学 | Solution icing dehydrator and frostless air source heat pump using same |
| CN114061191A (en) * | 2021-12-16 | 2022-02-18 | 深圳市和生创新技术有限公司 | Ice-making equipment and ice-making control method |
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| CN118794178A (en) | 2024-10-18 |
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