CN-122015375-A - Temperature compensation method and ice maker

Abstract

The application relates to the technical field of intelligent household appliances and discloses a temperature compensation method and an ice maker, wherein the method comprises the steps of obtaining a water temperature value in a water tank and an environment temperature value acquired by an environment temperature sensor; the method comprises the steps of determining the heat flux density between a water tank and an environmental temperature sensor according to physical parameters, a water temperature value and an environmental temperature value of a heat preservation layer, obtaining equivalent thermal resistance from the environmental temperature sensor to a shell, determining a temperature compensation value according to the heat flux density and the equivalent thermal resistance, and compensating the environmental temperature value according to the temperature compensation value to obtain a compensated environmental temperature value. The scheme can ensure the accuracy of the compensated ambient temperature value.

Inventors

• Qian Puchi
• CHEN QINHONG

Assignees

• 深圳市千岩科技有限公司

Dates

Publication Date

20260512

Application Date

20260414

Claims (12)

1. 1. The temperature compensation method is characterized by being applied to an ice maker, wherein the ice maker comprises a water tank, a heat preservation layer, an ambient temperature sensor and a shell which are sequentially arranged from inside to outside, and the method comprises the following steps: acquiring a water temperature value in the water tank and an environment temperature value acquired by the environment temperature sensor; Determining the heat flux density between the water tank and the ambient temperature sensor according to the physical parameters of the heat preservation layer, the water temperature value and the ambient temperature value; acquiring an equivalent thermal resistance from the ambient temperature sensor to the housing; Determining a temperature compensation value according to the heat flux density and the equivalent thermal resistance; And compensating the environmental temperature value according to the temperature compensation value to obtain a compensated environmental temperature value.
2. 2. The method of claim 1, wherein said determining a heat flux density between the tank and the ambient temperature sensor based on the physical parameters of the insulation, the water temperature value, and the ambient temperature value comprises: calculating a temperature difference between the water temperature value and the ambient temperature value; And calculating the heat flux density between the water tank and the environmental temperature sensor according to the temperature difference and the physical parameters of the heat preservation layer.
3. 3. The method of claim 2, wherein the physical parameters include a thickness and a thermal conductivity of the insulating layer; the calculating the heat flux density between the water tank and the environmental temperature sensor according to the temperature difference and the physical parameter of the heat preservation layer comprises the following steps: Calculating the temperature gradient between the water tank and the environmental temperature sensor according to the temperature difference and the thickness of the heat preservation layer; Multiplying the heat conductivity coefficient of the heat preservation layer by the temperature gradient to obtain the heat flow density between the water tank and the environment temperature sensor.
4. 4. The method of claim 1, wherein the obtaining an equivalent thermal resistance from the ambient temperature sensor to the housing comprises: Acquiring a plurality of groups of test data, wherein each group of test data comprises a sensed environmental temperature value acquired by an environmental temperature sensor in a sample ice machine, an actual environmental temperature value in the environment where the sample ice machine is positioned and a reference water temperature value of a water tank in the sample ice machine; calculating the temperature deviation between the sensed environmental temperature value and the actual environmental temperature value in each group of the test data; Determining the heat flux density corresponding to each group of test data according to the physical parameters of the heat preservation layer, the sensed environmental temperature value and the reference water temperature value in each group of test data; And performing equivalent thermal resistance fitting according to the heat flux density corresponding to the plurality of groups of test data and the corresponding temperature deviation to obtain equivalent thermal resistance from the ambient temperature sensor to the shell.
5. 5. The method of claim 1, wherein said determining a temperature compensation value based on said heat flux density and said equivalent thermal resistance comprises: And multiplying the heat flux density by the equivalent thermal resistance to obtain the temperature compensation value.
6. 6. The method of claim 1, wherein compensating the ambient temperature value based on the temperature compensation value to obtain a compensated ambient temperature value comprises: if the water temperature value is higher than the environment temperature value, subtracting the environment temperature value from the temperature compensation value to obtain a compensated environment temperature value; and if the water temperature value is not higher than the environment temperature value, adding the environment temperature value and the temperature compensation value to obtain a compensated environment temperature value.
7. 7. The method of claim 1, wherein the compensating the ambient temperature value based on the temperature compensation value, after obtaining the compensated ambient temperature value, further comprises: And carrying out ice making control according to the compensated environmental temperature value.
8. 8. An ice maker comprising a water tank, a heat insulating layer, an ambient temperature sensor and a housing arranged in this order from the inside to the outside, wherein the ice maker is temperature compensated according to the method of any one of claims 1 to 7.
9. 9. The ice maker of claim 8, wherein said insulating layer has an outer wall fixedly provided with a generally U-shaped bracket, said ambient temperature sensor being slidably mounted on said bracket.
10. 10. The ice-making machine of claim 9, wherein on said bracket, along the extension of said bracket, there is provided a recess in which said ambient temperature sensor is slidably mounted, said recess also being for receiving a cable of said ambient temperature sensor.
11. 11. The ice-making machine of claim 10, further comprising an upper cover removably snapped onto said recess, said ambient temperature sensor being located in a receiving space formed by said recess and said upper cover.
12. 12. The ice-making machine of claim 11, wherein said cover has a plurality of air holes in a surface adjacent said housing.

Description

Temperature compensation method and ice maker Technical Field The application relates to the technical field of intelligent household appliances, in particular to a temperature compensation method and an ice maker. Background With the development of intelligent household appliances, the ice maker is widely used. In an ice maker, an environmental temperature value of an environment where the ice maker is located is generally required to be collected, and ice making time length estimation, demolding time length estimation and the like are performed by combining the environmental temperature value, so that an ice making process is accurately controlled. In the related art, an ambient temperature sensor for acquiring an ambient temperature value is arranged in a compressor cabin of an ice maker, and when the compressor runs, a large amount of heat is generated, so that the temperature in the compressor cabin fluctuates severely, the ambient temperature value acquired by the ambient temperature sensor deviates seriously from an actual ambient temperature value, and the accuracy of ice making duration estimation is also affected subsequently. Disclosure of Invention In view of the above problems, an embodiment of the present application provides a temperature compensation method and an ice maker, so as to solve the problem that an ambient temperature value acquired by an ambient temperature sensor in the ice maker in the related art deviates seriously from an actual ambient temperature value. In a first aspect, a temperature compensation method is provided, and the method is applied to an ice maker, wherein the ice maker comprises a water tank, a heat insulation layer, an ambient temperature sensor and a shell, which are sequentially arranged from inside to outside, and the method comprises the following steps: acquiring a water temperature value in the water tank and an environment temperature value acquired by the environment temperature sensor; Determining the heat flux density between the water tank and the ambient temperature sensor according to the physical parameters of the heat preservation layer, the water temperature value and the ambient temperature value; acquiring an equivalent thermal resistance from the ambient temperature sensor to the housing; Determining a temperature compensation value according to the heat flux density and the equivalent thermal resistance; And compensating the environmental temperature value according to the temperature compensation value to obtain a compensated environmental temperature value. In a second aspect, an ice maker is provided, the ice maker comprises a water tank, a heat insulation layer, an ambient temperature sensor and a shell, wherein the water tank, the heat insulation layer, the ambient temperature sensor and the shell are sequentially arranged from inside to outside, and the ice maker performs temperature compensation according to the temperature compensation method. The temperature compensation device comprises a first acquisition module, a first determination module, a second acquisition module and a compensation value determination module, wherein the first acquisition module is used for acquiring a water temperature value in the water tank and an environment temperature value acquired by the environment temperature sensor, the first determination module is used for determining the heat flow density between the water tank and the environment temperature sensor according to physical parameters of the heat preservation layer, the water temperature value and the environment temperature value, the second acquisition module is used for acquiring equivalent thermal resistance from the environment temperature sensor to the shell, the compensation value determination module is used for determining a temperature compensation value according to the heat flow density and the equivalent thermal resistance, and the compensation module is used for compensating the environment temperature value according to the temperature compensation value to obtain a compensated environment temperature value. In a fourth aspect, a computer readable storage medium is provided having stored thereon computer instructions which, when executed by a processor, implement a temperature compensation method as above. In a fifth aspect, a computer program product is provided comprising computer instructions which, when executed by a processor, implement a temperature compensation method as above. In the application, the environment temperature sensor in the ice machine is arranged between the heat insulation layer and the shell, and the heat insulation layer is close to the water tank, and the water tank and the compression engine room are mutually separated in the ice machine, so that the influence of heat generated by the working of the compressor on the environment temperature sensor on temperature acquisition can be avoided. And determining the heat flux density between the water tank and