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CN-122015372-A - Ice making method and ice making apparatus

CN122015372ACN 122015372 ACN122015372 ACN 122015372ACN-122015372-A

Abstract

The embodiment of the application relates to the technical field of ice making equipment, in particular to an ice making method and ice making equipment. The ice making method comprises the steps of controlling a water supply assembly or a vacuum pump to inject ice making water into an ice making bin by a controller, obtaining target ice hardness, determining target vacuum degree corresponding to the target ice hardness, controlling the vacuum pump to adjust air pressure in the ice making bin to the target vacuum degree, and maintaining a negative pressure state in the ice making bin in the ice making process. According to the application, a negative pressure environment is established and maintained in the ice making bin, so that the micro gas nuclei dissolved in the ice making water undergo volume expansion under the action of low pressure, and further a size-controllable air hole structure is formed in the frozen ice cubes. Through the regulation to the vacuum, the volume ratio of the inside gas pocket of ice-cube changes to can adjust the holistic density and the structural strength of ice-cube.

Inventors

  • NI WEIXIN

Assignees

  • 深圳市坤盛泰创新科技有限公司

Dates

Publication Date
20260512
Application Date
20260202

Claims (12)

  1. 1. An ice making method, characterized in that it is applied to an ice making apparatus, the ice making apparatus includes an ice making bin, a water supply assembly, a refrigeration assembly, a vacuum pump and a controller, the water supply assembly, the refrigeration assembly and the vacuum pump are respectively electrically connected with and controlled by the controller, the method includes: the controller controls the water supply assembly to singly or cooperatively inject ice making water into the ice making bin by controlling the vacuum pump and the water supply assembly; acquiring a target ice hardness, and determining a target vacuum degree corresponding to the target ice hardness; controlling the vacuum pump to adjust the air pressure in the ice making bin to the target vacuum degree; And controlling the refrigeration assembly to start so as to freeze the water in the ice making bin, and controlling the vacuum pump to maintain the negative pressure state in the ice making bin during freezing.
  2. 2. The ice making method according to claim 1, wherein said obtaining a target ice hardness comprises: the controller receives a selection instruction of any one of at least two ice hardness, wherein the target ice hardness is the ice hardness corresponding to the selection instruction.
  3. 3. The ice-making method according to claim 1, wherein said controlling said vacuum pump to maintain a negative pressure state in said ice-making bin during freezing comprises one of: during the freezing process, the vacuum pump is controlled to continuously work, or And after the air pressure in the ice making bin reaches the target vacuum degree, closing a valve for communicating the ice making bin and the vacuum pump, and stopping the vacuum pump.
  4. 4. The ice making method according to claim 1, wherein the ice making apparatus further comprises an air pressure sensor for detecting an air pressure in the ice making compartment, the air pressure sensor being electrically connected to the controller, the adjusting the air pressure in the ice making compartment to the target vacuum degree comprising: The controller acquires the air pressure value in the ice making bin in real time through the air pressure sensor, and controls the working state of the vacuum pump according to the air pressure value until the air pressure value reaches the target vacuum degree.
  5. 5. The ice making method of claim 1, wherein said controlling said refrigeration assembly to activate to freeze water within said ice making bin and controlling said vacuum pump to maintain a negative pressure state within said ice making bin during freezing comprises: Controlling the vacuum pump to form a first vacuum degree negative pressure in the ice making bin in a first freezing stage so as to start forming ice cubes; And in a second freezing stage following the first freezing stage, controlling the vacuum pump to form a second vacuum degree negative pressure different from the first vacuum degree negative pressure in the ice making bin so as to finish freezing the rest part of the ice cubes, so that the formed ice cubes have a hardness gradient inside.
  6. 6. The ice-making method according to claim 5, wherein when said first vacuum negative pressure is lower than said second vacuum negative pressure, a molded portion of ice cubes under said first vacuum negative pressure has a higher hardness than a molded portion under said second vacuum negative pressure, or When the first vacuum degree negative pressure is higher than the second vacuum degree negative pressure, the hardness of the forming part of the ice block under the first vacuum degree negative pressure is lower than that of the forming part under the second vacuum degree negative pressure.
  7. 7. The ice making method of claim 1, wherein after controlling the refrigeration assembly to end freezing, the method further comprises: Controlling the vacuum pump to release pressure to the ice making bin so as to release the negative pressure state; And controlling the temperature of the refrigeration assembly to rise so as to make ice cubes fall off.
  8. 8. The ice making method according to claim 1, wherein the water supply assembly comprises a water pump and a water valve, the water pump is connected with a water source, the water valve is arranged between the water pump and a water inlet of the ice making bin, and the water pump and the water valve are respectively connected with and controlled by the controller; The controller controls the water supply assembly to separately inject ice making water into the ice making bin, comprising: When the water valve is opened, controlling the water pump to operate for a first preset water injection time period so as to inject ice making water with required water quantity into the ice making bin; Or alternatively The ice making device also comprises a water level sensor or a weighing sensor arranged in the ice making bin, wherein the water level sensor or the weighing sensor is electrically connected with the controller, and the controller controls the water supply assembly to independently inject ice making water into the ice making bin, and the ice making device comprises: when the water valve is opened, controlling the water pump to operate; and when the water level sensor or the weighing sensor detects that the water in the ice making bin reaches the required water amount, controlling the water pump to stop water injection.
  9. 9. The ice-making method according to claim 1, wherein the controller controls both the vacuum pump and the water supply assembly to inject ice-making water into the ice-making bin in cooperation, comprising: and controlling the vacuum pump and the water supply assembly to cooperate so as to form negative pressure in the ice making bin for sucking ice making water into the ice making bin.
  10. 10. An ice-making method according to claim 9, wherein, The water supply assembly includes the water valve, the water valve sets up with between the water source the water inlet of ice making storehouse, the water valve with the controller is connected and is controlled by the controller, control the vacuum pump the water supply assembly is two cooperations, in order to form in the ice making storehouse with the negative pressure of ice making water suction ice making storehouse includes: When the water valve is closed, controlling the vacuum pump to form negative pressure with the third vacuum degree in the ice making bin, and stopping working so as to suck ice making water with required water quantity by utilizing the negative pressure with the third vacuum degree when the water valve is re-opened; Or alternatively The water supply assembly includes the water valve, the water valve set up in the water source with between the water inlet of ice making storehouse, ice making equipment still including set up in water level sensor or weighing sensor in the ice making storehouse, the water valve, water level sensor or weighing sensor respectively with the controller electricity is connected, control the vacuum pump, water supply assembly both cooperates, in order to form in the ice making storehouse with the negative pressure of ice making water suction ice making storehouse, include: When the water valve is opened, controlling the vacuum pump to form fourth vacuum degree negative pressure in the ice making bin; When the water level sensor or the weighing sensor detects that the water in the ice making bin reaches the required water quantity, the vacuum pump is controlled to release the negative pressure state or the water valve is controlled to be closed.
  11. 11. The ice making method according to claim 1, wherein the ice making apparatus further comprises an optical sensor provided at a side wall of the ice making bin and electrically connected to the controller for detecting light transmittance of ice cubes in real time, the controlling the vacuum pump to maintain a negative pressure state in the ice making bin during freezing, comprising: Acquiring the real-time light transmittance of ice cubes in the ice making bin through the optical sensor; correcting the target vacuum degree according to the real-time light transmittance; The corrected target vacuum degree is used for controlling the vacuum pump to adjust and maintain the negative pressure state in the ice making bin in the current ice making period, or the corrected target vacuum degree is used as the target vacuum degree corresponding to the target ice hardness in the next ice making period.
  12. 12. An ice making apparatus, comprising: An ice making bin; the water supply assembly is used for supplying water to the ice making bin; the refrigeration assembly is used for freezing the water in the ice making bin; The vacuum pump is used for adjusting the air pressure in the ice making bin; The controller is respectively connected with the water supply assembly, the refrigeration assembly and the vacuum pump; wherein the controller is for performing the ice making method according to any one of claims 1 to 11.

Description

Ice making method and ice making apparatus Technical Field The embodiment of the application relates to the technical field of ice making equipment, in particular to an ice making method and ice making equipment. Background With the improvement of life quality of people, the demands of users for eating ice cubes are increasingly diversified, and especially the individual demands for hardness of the ice cubes are increasingly demanded. The existing ice making technology mainly adjusts the hardness of ice cubes by controlling the freezing time, however, the controllable range of the mode is smaller, the physical texture of the ice cubes is difficult to be obviously changed, and the requirements of users on ice cubes with different mouthfeels cannot be met. In addition, although there is a method of forming bubble water by introducing carbon dioxide gas into ice-making water to thereby prepare ice cubes having air holes filled therein and having loose texture and low hardness in the prior art, such ice-making devices require the provision of components such as a high-pressure gas tank and a high-pressure bubble water tank for containing liquid carbon dioxide, resulting in a complicated overall device structure, a large volume, and high costs. Disclosure of Invention An object of an embodiment of the present application is to provide an ice making method and an ice making apparatus, so as to solve the technical problem that in the prior art, it is difficult to perform large-scale personalized adjustment on hardness of ice cubes. In a first aspect, the present application provides an ice making method applied to an ice making apparatus, the ice making apparatus including an ice making bin, a water supply assembly, a refrigeration assembly, a vacuum pump, and a controller, the water supply assembly, the refrigeration assembly, and the vacuum pump being respectively electrically connected to and controlled by the controller, the method comprising: the controller controls the water supply assembly to singly or cooperatively inject ice making water into the ice making bin by controlling the vacuum pump and the water supply assembly; acquiring a target ice hardness, and determining a target vacuum degree corresponding to the target ice hardness; controlling the vacuum pump to adjust the air pressure in the ice making bin to the target vacuum degree; And controlling the refrigeration assembly to start so as to freeze the water in the ice making bin, and controlling the vacuum pump to maintain the negative pressure state in the ice making bin during freezing. Optionally, the obtaining the target ice hardness includes: the controller receives a selection instruction of any one of at least two ice hardness, wherein the target ice hardness is the ice hardness corresponding to the selection instruction. Optionally, the controlling the vacuum pump to maintain the negative pressure state in the ice making bin during the freezing process includes one of the following ways: during the freezing process, the vacuum pump is controlled to continuously work, or And after the air pressure in the ice making bin reaches the target vacuum degree, closing a valve for communicating the ice making bin and the vacuum pump, and stopping the vacuum pump. Optionally, the ice making apparatus further includes an air pressure sensor for detecting air pressure in the ice making bin, the air pressure sensor being electrically connected with the controller, the adjusting the air pressure in the ice making bin to the target vacuum degree, including: The controller acquires the air pressure value in the ice making bin in real time through the air pressure sensor, and controls the working state of the vacuum pump according to the air pressure value until the air pressure value reaches the target vacuum degree. Optionally, the controlling the refrigeration assembly to start to freeze the water in the ice making bin, and controlling the vacuum pump to maintain the negative pressure state in the ice making bin during freezing includes: Controlling the vacuum pump to form a first vacuum degree negative pressure in the ice making bin in a first freezing stage so as to start forming ice cubes; And in a second freezing stage following the first freezing stage, controlling the vacuum pump to form a second vacuum degree negative pressure different from the first vacuum degree negative pressure in the ice making bin so as to finish freezing the rest part of the ice cubes, so that the formed ice cubes have a hardness gradient inside. Alternatively, when the first vacuum level negative pressure is lower than the second vacuum level negative pressure, the molded portion of the ice cubes under the first vacuum level negative pressure has a higher hardness than the molded portion under the second vacuum level negative pressure, or When the first vacuum degree negative pressure is higher than the second vacuum degree negative pressure, the hardness of the forming pa