CN-121993989-A - Control method and control device of single-system refrigerator and single-system refrigerator

CN121993989ACN 121993989 ACN121993989 ACN 121993989ACN-121993989-A

Abstract

The invention relates to the technical field of refrigeration, and provides a control method and a control device for a single-system refrigerator and the single-system refrigerator. The control method of the single-system refrigerator comprises the steps of obtaining a first comparison result between the current temperature of the refrigerating chamber and the target temperature of the refrigerating chamber, obtaining a second comparison result between the current temperature of the freezing chamber and the target temperature of the freezing chamber, determining the operation condition of the single-system refrigerator based on the first comparison result and the second comparison result, calling a pre-stored regulation mode of the single-system refrigerator based on the operation condition, wherein a mapping relation exists between the operation condition and a plurality of different regulation modes, and regulating at least one of a refrigerating fan, a freezing fan, a compressor and heating wires in the refrigerating chamber based on the regulation mode. The control method of the single-system refrigerator ensures that the cold energy is intelligently distributed between the refrigerating chamber and the freezing chamber, and improves the accuracy of temperature control.

Inventors

CUI HUAILEI
LI YU
ZHU TAO
HU MINGSONG

Assignees

湖北美的电冰箱有限公司

Dates

Publication Date: 20260508
Application Date: 20260313

Claims (11)

1. A control method of a single system refrigerator, comprising: acquiring a first comparison result between the current temperature of the refrigerating chamber and the target temperature of the refrigerating chamber, and acquiring a second comparison result between the current temperature of the freezing chamber and the target temperature of the freezing chamber; determining the operation condition of the single-system refrigerator based on the first comparison result and the second comparison result, and calling a pre-stored adjustment mode of the single-system refrigerator based on the operation condition, wherein a mapping relationship exists between the operation condition and a plurality of different adjustment modes; And adjusting at least one of a refrigerating fan, a freezing fan, a compressor and a heating wire in the refrigerating chamber based on the adjustment mode.
2. The control method of a single system refrigerator according to claim 1, wherein the adjusting at least one of a refrigerating fan, a freezing fan, a compressor, and a heating wire in a refrigerating compartment based on the adjustment mode comprises: adjusting the gear of at least one of the refrigerating fan, the freezing fan and the compressor, And/or the number of the groups of groups, Adjusting the start-up rate of at least one of the refrigeration fan and the freezing fan, And/or the number of the groups of groups, And controlling the start and stop of the heating wire.
3. The control method of a single system refrigerator according to claim 2, wherein the adjusting a gear of at least one of the refrigerating fan, the freezing fan, and the compressor includes: Dividing the conditioning process into a plurality of refrigeration cycles; Adjusting the gear of the refrigeration fan in each refrigeration cycle of the first set number initially; After a first set number of cooling cycles, if the operating conditions remain unchanged, the gear of the refrigerating fan and the gear of the freezing fan are adjusted in each subsequent cooling cycle.
4. The control method of a single-system refrigerator according to claim 3, further comprising: After the first set number and the second set number of refrigeration cycles are sequentially passed, if the running condition is still maintained unchanged, the gear of the refrigeration fan, the gear of the freezing fan and the gear of the compressor are adjusted in each next refrigeration cycle, wherein the second set number is not smaller than the first set number.
5. The control method of a single system refrigerator according to claim 3 or 4, wherein a duration of the cooling cycle is positively correlated with an ambient temperature.
6. The control method of a single system refrigerator according to claim 2, wherein the first comparison result in the operation condition is that the current temperature of the refrigerating compartment reaches the target temperature of the refrigerating compartment, and the second comparison result is that the current temperature of the freezing compartment does not reach the target temperature of the freezing compartment, and the heating wire is turned on after the compressor is controlled to be turned off.
7. The control method of a single system refrigerator according to claim 2, wherein in the adjusting the on probability of at least one of the refrigerating fan and the freezing fan: the start-up rate is positively correlated with a gear of a fan, wherein the fan comprises at least one of the refrigeration fan and the freezing fan, And/or the number of the groups of groups, The start-up rate is positively correlated with the ambient temperature; and/or the number of the groups of groups, And taking the set duration as a start-stop period of a fan, and controlling the start-up rate of the fan in each start-stop period, wherein the fan comprises at least one of a refrigerating fan and a freezing fan.
8. The control method of a single system refrigerator according to claim 1, wherein the operating conditions include four kinds of: in a first operating condition, the current temperature of the refrigerating chamber in the first comparison result does not reach the target temperature of the refrigerating chamber, and the current temperature of the freezing chamber in the second comparison result does not reach the target temperature of the freezing chamber; In a second operating condition, the current temperature of the refrigerating chamber in the first comparison result does not reach the target temperature of the refrigerating chamber, and the current temperature of the freezing chamber in the second comparison result reaches the target temperature of the freezing chamber; in a third operating condition, the current temperature of the refrigerating chamber in the first comparison result reaches the target temperature of the refrigerating chamber, and the current temperature of the freezing chamber in the second comparison result does not reach the target temperature of the freezing chamber; in a fourth operating condition, the current temperature of the fresh food compartment in the first comparison result reaches the target temperature of the fresh food compartment, and the current temperature of the freezer compartment in the second comparison result reaches the target temperature of the freezer compartment.
9. The control method of a single system refrigerator according to claim 8, wherein, The adjusting mode comprises a first adjusting mode corresponding to the first running condition, in the first adjusting mode, the gear of the refrigerating fan is increased by one gear, the gear of the refrigerating fan is unchanged, reduced by one gear or increased by one gear, and the gear of the compressor is increased by one gear; The adjusting mode further comprises a second adjusting mode corresponding to the second running condition, in the second adjusting mode, the gear of the refrigerating fan is increased by one gear, the gear of the freezing fan is reduced by one gear, and the gear of the compressor is increased by one gear; The adjusting mode further comprises a third adjusting mode corresponding to the third running condition, in the third adjusting mode, the gear of the refrigerating fan is reduced by one gear, the gear of the freezing fan is increased by one gear, and the gear of the compressor is increased or reduced by one gear; The adjusting mode further comprises a fourth adjusting mode corresponding to the fourth running condition, and in the fourth adjusting mode, the gear of the refrigerating fan, the gear of the freezing fan and the gear of the compressor are kept unchanged on the basis of the last refrigerating cycle.
10. A control apparatus of a single system refrigerator, comprising: The acquisition module is used for acquiring a first comparison result between the current temperature of the refrigerating chamber and the target temperature of the refrigerating chamber and acquiring a second comparison result between the current temperature of the freezing chamber and the target temperature of the freezing chamber; The determining module is used for determining the running condition of the single-system refrigerator based on the first comparison result and the second comparison result, and calling a pre-stored adjusting mode of the single-system refrigerator based on the running condition, wherein a mapping relation exists between the running condition and a plurality of different adjusting modes; And the adjusting module is used for adjusting at least one of the refrigerating fan, the freezing fan, the compressor and the heating wire in the refrigerating chamber based on the adjusting mode.
11. A single system refrigerator, comprising: The box body is provided with a box body, the box body is provided with a refrigerating chamber and a freezing chamber; The compressor is arranged in the box body; The refrigerating evaporator is arranged in the box body; The freezing evaporator is arranged in the box body and is connected with the refrigerating evaporator in series; the refrigerating fan is arranged in the box body and is used for blowing cold air into the refrigerating chamber; The refrigerating fan is arranged in the box body and is used for blowing cold air into the refrigerating chamber; A controller electrically connected to the compressor, the refrigerating fan and the freezing fan, the controller being configured to perform the control method of the single-system refrigerator according to any one of claims 1 to 9.

Description

Control method and control device of single-system refrigerator and single-system refrigerator Technical Field The invention relates to the technical field of refrigeration, in particular to a control method and device of a single-system refrigerator and the single-system refrigerator. Background In a single system refrigerator without cross-flavor, the refrigerating chamber and the freezing chamber share a set of compressors and refrigeration pipelines. When any compartment generates refrigeration demand, the compressor needs to be started to operate, but the evaporator of the compartment which is not refrigerated at the moment also works, so that the extra consumption of cold is caused, and the refrigerator has higher energy consumption and poor energy-saving effect. For this reason, the industry has proposed reducing energy consumption by reducing the rotation speed of the refrigerator blower, increasing the rotation speed of the freezer blower, and increasing the rotation speed of the compressor when the heat load of the refrigerator is lower than that of the freezer. However, in the actual operation process of the refrigerator, the thermal load states of the refrigerating chamber and the freezing chamber are dynamically changed in real time, and the adjustment mode only aiming at specific situations is difficult to meet the actual operation requirement. Disclosure of Invention The present invention is directed to solving at least one of the technical problems existing in the related art. Therefore, the invention provides a control method of a single-system refrigerator, which adjusts the refrigerating fan, the freezing fan and the compressor according to the real-time temperature relation between the current temperature and the target temperature of the refrigerating chamber and between the current temperature and the target temperature of the freezing chamber, so as to realize the adjustment of the refrigerating fan, the freezing fan and the compressor according to the dynamic change of the heat load of the refrigerating chamber and the freezing chamber, ensure that the cold energy is intelligently distributed in the refrigerating chamber and the freezing chamber, improve the accuracy of the temperature control of the refrigerating chamber and the freezing chamber, and meet the actual running requirement of the refrigerator. The invention also provides a single-system refrigerator. The invention provides a control method of a single-system refrigerator, which comprises the steps of obtaining a first comparison result between the current temperature of a refrigerating chamber and the target temperature of the refrigerating chamber, obtaining a second comparison result between the current temperature of a freezing chamber and the target temperature of the freezing chamber, determining the operation condition of the single-system refrigerator based on the first comparison result and the second comparison result, calling a pre-stored regulation mode of the single-system refrigerator based on the operation condition, wherein a mapping relation exists between the operation condition and a plurality of different regulation modes, and regulating at least one of a refrigerating fan, a freezing fan, a compressor and heating wires in the refrigerating chamber based on the regulation mode. According to the control method of the single-system refrigerator, at least one of a refrigerating fan, a freezing fan, a compressor and a heating wire in a refrigerating chamber is adjusted based on the adjusting mode, and the control method comprises the steps of adjusting the gear of at least one of the refrigerating fan, the freezing fan and the compressor, and/or adjusting the starting rate of at least one of the refrigerating fan and the freezing fan, and/or controlling the starting and stopping of the heating wire. The control method for the single-system refrigerator comprises the steps of dividing an adjusting process into a plurality of refrigerating cycles, adjusting the gear of the refrigerating fan in each refrigerating cycle of a first set number, and adjusting the gear of the refrigerating fan and the gear of the refrigerating fan in each next refrigerating cycle after the first set number of refrigerating cycles, if the running condition is kept unchanged, wherein the gear of at least one of the refrigerating fan, the refrigerating fan and the compressor is adjusted in each next refrigerating cycle. The control method of the single-system refrigerator further comprises the step of adjusting the gear of the refrigerating fan, the gear of the freezing fan and the gear of the compressor in each next refrigerating cycle if the running condition is still unchanged after the refrigerating cycles of a first set number and a second set number are sequentially passed, wherein the second set number is not smaller than the first set number. According to the control method of the single-system refrigerator, the duration of