CN112484390A - Refrigerator temperature control method and device and refrigerator - Google Patents

Refrigerator temperature control method and device and refrigerator Download PDF

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Publication number
CN112484390A
CN112484390A CN202011352111.0A CN202011352111A CN112484390A CN 112484390 A CN112484390 A CN 112484390A CN 202011352111 A CN202011352111 A CN 202011352111A CN 112484390 A CN112484390 A CN 112484390A
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China
Prior art keywords
refrigeration
delayed
refrigerator
temperature
compartment
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Granted
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CN202011352111.0A
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CN112484390B (en
Inventor
徐家伟
方茂长
于有亮
杨志永
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN202011352111.0A priority Critical patent/CN112484390B/en
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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The application relates to a refrigerator temperature control method and device and a refrigerator, and belongs to the technical field of refrigerator temperature control. The application includes: acquiring the compartment temperature of each compartment of the refrigerator; and determining whether the refrigerator needs to enter delayed refrigeration control according to the compartment temperature, if so, controlling the refrigerator to perform delayed refrigeration control, and stopping the refrigeration of the refrigerator after the delayed refrigeration control is finished. Through this application, help the refrigerator to guarantee cold-stored fresh-keeping control by temperature change effect during the shutdown protection.

Description

Refrigerator temperature control method and device and refrigerator
Technical Field
The application belongs to the technical field of refrigerator temperature control, and particularly relates to a refrigerator temperature control method and device and a refrigerator.
Background
With the progress of modern science and technology, the frequency conversion electric control refrigerator is increasingly popularized, and the preservation requirement of people on the refrigerator is increasingly improved. The requirement of accurate temperature control on the temperature acquisition precision of a sensor and the control requirement of a main control board on the working state of an electric device are high, taking an air-cooled refrigerator as an example, after a compressor of a traditional air-cooled refrigerator is stopped, the compressor is immediately started to cause damage and even burn the compressor because the system pressure is not balanced in a short time, so that a general control rule has a period of time (for example, ten minutes) for stopping protection time. Referring to fig. 1, fig. 1 is a schematic diagram illustrating a change in the compartment temperature during shutdown protection according to an exemplary embodiment, and as shown in fig. 1, when the refrigerator is in operation, since the cooling rate and the heating rate of each compartment are different, it cannot be guaranteed that the compartment temperatures reach the shutdown point synchronously. During the shutdown protection of the compressor, if any room temperature reaches the startup point, but the compressor cannot be started due to the startup protection, the room temperatures continue to rise, and as shown in fig. 1, the refrigeration room temperature exceeds the startup point during the shutdown protection of the compressor, which may cause the refrigeration and fresh-keeping effects of the rooms to decrease.
Disclosure of Invention
In order to overcome the problems in the related art at least to a certain extent, the refrigerator temperature control method, the refrigerator temperature control device and the refrigerator are provided, and the refrigerator is favorable for ensuring the refrigeration, preservation and temperature control effects during shutdown protection.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect,
the application provides a refrigerator temperature control method, which comprises the following steps:
acquiring the compartment temperature of each compartment of the refrigerator;
and determining whether the refrigerator needs to enter delayed refrigeration control according to the room temperature, if so, controlling the refrigerator to perform delayed refrigeration control, and stopping the refrigeration of the refrigerator after the delayed refrigeration control is finished.
Further, the determining whether the refrigerator needs to enter the delayed refrigeration control according to the compartment temperature includes:
if there is a compartment whose said compartment temperature satisfies the condition: t isON＞T≥TON-TSDetermining that the refrigerator needs to enter delay refrigeration control;
wherein T is the compartment temperature, TONIs a preset starting point temperature, TSIs a preset temperature margin;
wherein each compartment has the start-up point temperature and the temperature margin corresponding thereto.
Further, the controlling the refrigerator to perform the delayed refrigeration control includes:
determining the number of the compartments needing to be subjected to time delay refrigeration according to the compartment temperature, and calculating time delay refrigeration time according to the determined number of the compartments needing to be subjected to time delay refrigeration;
acquiring an ambient temperature;
and performing delayed refrigeration control according to the delayed refrigeration time and the ambient temperature.
Further, the calculating the time delay refrigeration time according to the determined number of the refrigeration compartments needing time delay comprises the following steps:
using the formula: sD＝SC+(N-1)*STCalculating the delayed refrigeration time;
wherein S isDFor said time-delayed cooling time, SCOn the basis of a delay in the cooling time, STTo supplement time, N is the number of the refrigerating chambers to be delayed.
Further, the performing of the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature includes:
if the ambient temperature satisfies the condition: t isH≥T0Then controlling the compressor to a preset high frequency SHThe fan rotates at a preset high speed RHStopping the machine after continuously running the delayed refrigeration time;
if the ambient temperature satisfies the condition: t isH＜T0Then controlling the compressor to preset low frequency SLThe fan rotates at a preset low speed RLStopping the machine after continuously running the delayed refrigeration time;
wherein, THIs the ambient temperature, T0Is a preset temperature threshold that determines compressor and fan operating parameters.
Further, the performing of the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature includes:
when the time-delay refrigeration control is started, closing a compartment air door corresponding to a compartment which does not need time-delay refrigeration; and
in the delayed refrigeration process, every time when the temperature of the compartment corresponding to the compartment for delayed refrigeration is determined to meet the condition: t is less than or equal to TOFFWhen the corresponding compartment is closedA damper;
wherein T is the compartment temperature, TOFFIs a preset shutdown temperature.
Further, the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature further includes:
before the time delay refrigeration time is over, if the temperature of the compartment corresponding to each compartment for time delay refrigeration meets the condition: t is less than or equal to TOFFAnd controlling the refrigerator to stop refrigerating operation.
Further, the method for determining whether the refrigerator needs to enter the delayed refrigeration control according to the temperature of each compartment further comprises the following steps:
if each of the compartment temperatures satisfies the condition: t < TON-TSDetermining that the delayed refrigeration control is not required;
the method further comprises the following steps: and if the refrigerator does not need to enter the delayed refrigeration control, controlling the refrigerator to stop refrigeration operation.
In a second aspect of the present invention,
the application provides a refrigerator temperature control device, includes:
the compartment temperature acquisition module is used for acquiring compartment temperatures of compartments of the refrigerator;
and the time-delay refrigeration control module is used for determining whether the refrigerator needs to enter time-delay refrigeration control according to the temperature of each compartment, controlling the refrigerator to carry out time-delay refrigeration control if necessary, and stopping the refrigeration of the refrigerator after the time-delay refrigeration control is finished.
In a third aspect,
the application provides a refrigerator, includes:
one or more memories having executable programs stored thereon;
one or more processors configured to execute the executable program in the memory to implement the steps of any of the methods described above.
This application adopts above technical scheme, possesses following beneficial effect at least:
through the method and the device, whether the refrigerator needs to enter the delayed refrigeration control or not can be determined by acquiring the temperature of each chamber of the refrigerator before the refrigerator enters the refrigerator to stop refrigeration, if so, the refrigerator is controlled to carry out the delayed refrigeration control, the refrigeration of the refrigerator is stopped after the delayed refrigeration control is finished, and the cold quantity supplement prepared by the delayed refrigeration is helpful for ensuring the cold storage, fresh keeping and temperature control effects of the refrigerator during the shutdown protection, so that the temperature control accuracy of the refrigerator is further improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating changes in chamber temperature during shutdown protection according to an exemplary embodiment;
FIG. 2 is a flowchart illustrating a method of controlling a temperature of a refrigerator according to an exemplary embodiment;
fig. 3 is a schematic structural view illustrating a temperature control apparatus for a refrigerator according to an exemplary embodiment;
fig. 4 is a block diagram schematically illustrating a refrigerator according to an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for controlling a temperature of a refrigerator according to an exemplary embodiment, and as shown in fig. 2, the method for controlling a temperature of a refrigerator includes the steps of:
step S201, acquiring compartment temperature of each compartment of the refrigerator;
and S202, determining whether the refrigerator needs to enter time-delay refrigeration control or not according to the room temperature, if so, controlling the refrigerator to perform time-delay refrigeration control, and stopping the refrigeration of the refrigerator after the time-delay refrigeration control is finished.
Specifically, the refrigerator may have a refrigerating compartment, a fresh-keeping compartment and a freezing compartment, and each compartment may be detected by a corresponding temperature sensor to obtain a corresponding compartment temperature.
Taking an air-cooled refrigerator as an example, after a compressor of a traditional air-cooled refrigerator is stopped, the compressor is immediately started to cause damage or even burn the compressor because the system pressure is not balanced in a short time, so that a general control rule has a period of time (for example, ten minutes) for stopping protection time. When the refrigerator runs, the temperature of each compartment can not be ensured to synchronously reach the start-up and shut-down points because the cooling rate and the heating rate of each compartment are different. During the shutdown protection of the compressor, if any room temperature reaches the startup point, but the compressor cannot be started due to the startup protection, the room temperatures continue to rise, and as shown in fig. 1, the refrigeration room temperature exceeds the startup point during the shutdown protection of the compressor, which may cause the refrigeration and fresh-keeping effects of the rooms to decrease. In order to guarantee the effect of cold-stored fresh-keeping temperature control during shutdown protection, the application provides a relevant implementation scheme.
By the scheme, whether the refrigerator needs to enter the delayed refrigeration control or not can be determined by acquiring the temperature of the compartments of the refrigerator before the refrigerator enters the refrigeration stop, if so, the refrigerator is controlled to perform the delayed refrigeration control, the refrigeration of the refrigerator is stopped after the delayed refrigeration control is finished, and the refrigeration capacity prepared by the delayed refrigeration is supplemented, so that the compartment temperature is prevented from rising to a starting point during the shutdown protection of the compressor, the refrigeration and fresh-keeping temperature control effect of the refrigerator is ensured during the shutdown protection, and the temperature control accuracy of the refrigerator is further improved.
In one embodiment, in step S202, the determining whether the refrigerator needs to enter the delayed cooling control according to the compartment temperature includes:
if there is a compartment whose said compartment temperature satisfies the condition: t isON＞T≥TON-TSDetermining that the refrigerator needs to enter delay refrigeration control;
wherein T is the compartment temperature, TONIs a preset starting point temperature, TSIs a preset temperature margin;
wherein each compartment has the start-up point temperature and the temperature margin corresponding thereto.
Specifically, referring to fig. 2, fig. 2 shows different starting point temperatures of the refrigerating chamber and the freezing chamber of the refrigerator. The temperature margin may be a temperature rise value obtained after a preset time (for example, 10 minutes) is calculated from the temperature at the start-up point, and the lower limit temperature value for the delayed cooling determination is calculated from the temperature rise value. Each compartment has the starting point temperature and the temperature margin corresponding thereto, taking a refrigerator with only a refrigerating compartment and a freezing compartment as an example. The starting point temperature corresponding to the refrigerating chamber is TON-ACorresponding temperature margin of TS-AIf the compartment temperature T of the refrigerating compartmentASatisfies the following conditions: t isON-A＞TA≥TON-A-TS-AJudging that the refrigerator needs to enter delayed refrigeration control; the starting point temperature corresponding to the freezing chamber is TON-BCorresponding temperature margin of TS-BIf the compartment temperature T of the refrigerating compartmentBSatisfies the following conditions: t isON-B＞TB≥TON-A-TS-BAnd judging that the refrigerator needs to enter the delayed refrigeration control. In the above judgment, when any room temperature satisfies the corresponding judgment condition, it is judged that the refrigerator needs to enter the delayed refrigeration control.
Further, the method for determining whether the refrigerator needs to enter the delayed refrigeration control according to the temperature of each compartment further comprises the following steps:
if each of the compartment temperatures satisfies the condition: t < TON-TSIt is determined that the delayed cooling control is not required.
Specifically, the refrigerator is still exemplified by only a refrigerating chamber and a freezing chamber. If T of the refrigerating chamberASatisfies the following conditions: t isA＜TON-A-TS-AAnd at the same time, T of the refrigerating chamberBSatisfies the following conditions: t isB＜TON-A-TS-BAnd judging that the refrigerator does not need to enter delayed refrigeration control, namely, the cold quantity of the refrigerator is enough to prevent the temperature of the compartments from rising to the starting point corresponding to each compartment during the shutdown protection period.
And controlling the refrigerator to stop refrigerating operation if the refrigerator does not need to enter the delayed refrigerating control, wherein the temperature of each compartment rises during the shutdown protection period of the compressor under the refrigerating stop operation, but does not rise to the starting point corresponding to each compartment.
In one embodiment, in step S202, the controlling the refrigerator to perform the delayed cooling control includes:
determining the number of the compartments needing to be subjected to time delay refrigeration according to the compartment temperature, and calculating time delay refrigeration time according to the determined number of the compartments needing to be subjected to time delay refrigeration;
acquiring an ambient temperature;
and performing delayed refrigeration control according to the delayed refrigeration time and the ambient temperature.
Specifically, in the embodiment, the delayed refrigeration time is obtained by the number of the refrigeration compartments needing to be delayed, floating change of the delayed refrigeration time is realized, and the delayed refrigeration time is not a specific value, so that the accuracy of control over the delayed refrigeration time is improved, and meanwhile, the energy consumption of the refrigerator during delayed refrigeration operation is reduced as much as possible. Then, the delayed refrigeration control is carried out by combining the environmental temperature, and the further accurate control of the delayed refrigeration control is realized according to the environmental temperature.
In one embodiment, the calculating the delayed refrigeration time according to the determined number of the compartments to be delayed refrigeration includes:
using the formula: sD＝SC+(N-1)*STCalculating the delayed refrigeration time;
wherein S isDFor said time-delayed cooling time, SCOn the basis of delayed coolingM, STTo supplement time, N is the number of the refrigerating chambers to be delayed.
In one embodiment, the performing the delayed cooling control according to the delayed cooling time and the ambient temperature includes:
if the ambient temperature satisfies the condition: t isH≥T0Then controlling the compressor to a preset high frequency SHThe fan rotates at a preset high speed RHStopping the machine after continuously running the delayed refrigeration time;
if the ambient temperature satisfies the condition: t isH＜T0Then controlling the compressor to preset low frequency SLThe fan rotates at a preset low speed RLStopping the machine after continuously running the delayed refrigeration time;
wherein, THIs the ambient temperature, T0Is a preset temperature threshold that determines compressor and fan operating parameters.
In particular, the solution is based on the ambient temperature THAt a temperature threshold T0The operation modes of the compressor and the fan under the delayed refrigeration time are determined as reference, so that the energy consumption of the refrigerator during the delayed refrigeration operation can be reduced as much as possible on the basis of ensuring the enough delayed refrigeration capacity.
In one embodiment, in step S202, the performing the delayed cooling control according to the delayed cooling time and the ambient temperature includes:
when the time-delay refrigeration control is started, closing a compartment air door corresponding to a compartment which does not need time-delay refrigeration; and
in the delayed refrigeration process, every time when the temperature of the compartment corresponding to the compartment for delayed refrigeration is determined to meet the condition: t is less than or equal to TOFFWhen the air door is closed, the corresponding compartment air door is closed;
wherein T is the compartment temperature, TOFFIs a preset shutdown temperature.
The scheme can further reduce the energy consumption of the refrigerator during the delayed refrigeration operation as much as possible on the basis of ensuring the enough delayed refrigeration capacity. Specifically, when the time-delay refrigeration control is started, the time delay is not requiredThe refrigeration compartment, without its damper closed, is not required to supplement the incoming refrigeration. The part of refrigerating capacity can not be transferred to the compartment needing delayed refrigeration, so that the efficiency of delayed refrigeration is reduced, and unnecessary waste exists in refrigeration. By the scheme, when the delayed refrigeration control is started, the compartment air door corresponding to the compartment which does not need delayed refrigeration is closed, the compartment which does not need delayed refrigeration has enough stored cold, and under the condition that the air door is closed, the compartment temperature rises but does not rise to the starting point corresponding to each compartment. And the compartment air door corresponding to the compartment which does not need delayed refrigeration is closed, so that the delayed refrigeration capacity can be fully provided for the compartment which needs delayed refrigeration, the utilization rate of the refrigeration capacity during delayed refrigeration is improved, and the waste of the delayed refrigeration capacity is reduced. Meanwhile, in the time delay refrigeration period, the room temperature corresponding to the room for time delay refrigeration meets the condition every time: t is less than or equal to TOFFAnd the corresponding compartment air door is closed, so that the utilization of the cooling capacity during the delayed refrigeration can be further coordinated during the delayed refrigeration, and the requirement of supplementing the required delayed refrigeration capacity for each compartment needing the delayed refrigeration at one time can be guaranteed during the one-time delayed refrigeration.
In one embodiment, the performing the delayed cooling control according to the delayed cooling time and the ambient temperature further includes:
before the time delay refrigeration time is over, if the temperature of the compartment corresponding to each compartment for time delay refrigeration meets the condition: t is less than or equal to TOFFAnd controlling the refrigerator to stop refrigerating operation.
Specifically, before the delayed refrigeration time is over, the time delay refrigeration amount required by each compartment for delayed refrigeration can be supplemented in advance, and based on the scheme, when the time delay refrigeration amount required by each compartment for delayed refrigeration is supplemented in advance before the delayed refrigeration time is over, the refrigerator is controlled to stop refrigeration operation, so that the waste of the time delay refrigeration amount can be further reduced.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a refrigerator temperature control apparatus according to an exemplary embodiment, and as shown in fig. 3, the refrigerator temperature control apparatus 3 includes:
a compartment temperature obtaining module 301, configured to obtain compartment temperatures of compartments of the refrigerator;
and the delayed refrigeration control module 302 is configured to determine whether the refrigerator needs to enter delayed refrigeration control according to the temperature of each compartment, control the refrigerator to perform delayed refrigeration control if necessary, and stop refrigeration of the refrigerator after the delayed refrigeration control is finished.
Further, in the delayed refrigeration control module 302, the determining whether the refrigerator needs to enter the delayed refrigeration control according to the compartment temperature includes:
if there is a compartment whose said compartment temperature satisfies the condition: t isON＞T≥TON-TSDetermining that the refrigerator needs to enter delay refrigeration control;
wherein T is the compartment temperature, TONIs a preset starting point temperature, TSIs a preset temperature margin;
wherein each compartment has the start-up point temperature and the temperature margin corresponding thereto.
Further, in the delayed refrigeration control module 302, the controlling the refrigerator to perform the delayed refrigeration control includes:
determining the number of the compartments needing to be subjected to time delay refrigeration according to the compartment temperature, and calculating time delay refrigeration time according to the determined number of the compartments needing to be subjected to time delay refrigeration;
acquiring an ambient temperature;
and performing delayed refrigeration control according to the delayed refrigeration time and the ambient temperature.
Further, the calculating the time delay refrigeration time according to the determined number of the refrigeration compartments needing time delay comprises the following steps:
using the formula: sD＝SC+(N-1)*STCalculating the delayed refrigeration time;
wherein S isDFor said time-delayed cooling time, SCOn the basis of a delay in the cooling time, STTo supplement time, N is the number of the refrigerating chambers to be delayed.
Further, the performing of the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature includes:
if the ambient temperature satisfies the condition: t isH≥T0Then controlling the compressor to a preset high frequency SHThe fan rotates at a preset high speed RHStopping the machine after continuously running the delayed refrigeration time;
if the ambient temperature satisfies the condition: t isH＜T0Then controlling the compressor to preset low frequency SLThe fan rotates at a preset low speed RLStopping the machine after continuously running the delayed refrigeration time;
wherein, THIs the ambient temperature, T0Is a preset temperature threshold that determines compressor and fan operating parameters.
Further, the performing of the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature includes:
when the time-delay refrigeration control is started, closing a compartment air door corresponding to a compartment which does not need time-delay refrigeration; and
in the delayed refrigeration process, every time when the temperature of the compartment corresponding to the compartment for delayed refrigeration is determined to meet the condition: t is less than or equal to TOFFWhen the air door is closed, the corresponding compartment air door is closed;
wherein T is the compartment temperature, TOFFIs a preset shutdown temperature.
Further, the delayed refrigeration control according to the delayed refrigeration time and the ambient temperature further includes:
before the time delay refrigeration time is over, if the temperature of the compartment corresponding to each compartment for time delay refrigeration meets the condition: t is less than or equal to TOFFAnd controlling the refrigerator to stop refrigerating operation.
Further, in the delayed cooling control module 302, the determining whether the refrigerator needs to enter the delayed cooling control according to the temperature of each compartment further includes:
if each of the compartment temperatures satisfies the condition: t < TON-TSDetermining that the delayed refrigeration control is not required;
accordingly, the delayed refrigeration control module 302 is further configured to: and if the refrigerator does not need to enter the delayed refrigeration control, controlling the refrigerator to stop refrigeration operation.
With regard to the refrigerator temperature control apparatus 3 in the above-described embodiment, the specific manner in which the respective modules perform operations has been described in detail in the embodiment related to the method, and will not be explained in detail here.
Referring to fig. 4, fig. 4 is a schematic block diagram of a refrigerator according to an exemplary embodiment, and as shown in fig. 4, the refrigerator 4 includes:
one or more memories 401 having executable programs stored thereon;
one or more processors 402 for executing the executable programs in the memory 401 to implement the steps of any of the methods described above.
The refrigerator 4 may have refrigerating, refreshing and freezing compartments, each of which may be sensed by a correspondingly configured temperature sensor to obtain a corresponding compartment temperature. In addition, the refrigerator is also provided with a sensor for detecting the ambient temperature so as to realize further delay refrigeration and accurate temperature control. With respect to the refrigerator 4 in the above-described embodiment, the specific manner in which the processor 402 executes the program in the memory 401 has been described in detail in the embodiment related to the method, and will not be elaborated here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, the meaning of "plurality" means at least two unless otherwise specified.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and further, as used herein, connected may include wirelessly connected; the term "and/or" is used to include any and all combinations of one or more of the associated listed items.
Any process or method descriptions in flow charts or otherwise described herein may be understood as: represents modules, segments or portions of code which include one or more executable instructions for implementing specific logical functions or steps of a process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A method for controlling a temperature of a refrigerator, the method comprising:
acquiring the compartment temperature of each compartment of the refrigerator;
and determining whether the refrigerator needs to enter delayed refrigeration control according to the room temperature, if so, controlling the refrigerator to perform delayed refrigeration control, and stopping the refrigeration of the refrigerator after the delayed refrigeration control is finished.
2. The method of claim 1, wherein the determining whether the refrigerator needs to enter the delayed cooling control according to the compartment temperature comprises:
if there is a compartment whose said compartment temperature satisfies the condition: t isON＞T≥TON-TSDetermining that the refrigerator needs to enter delay refrigeration control;
wherein T is the compartment temperature, TONIs a preset starting point temperature, TSIs a preset temperature margin;
wherein each compartment has the start-up point temperature and the temperature margin corresponding thereto.
3. The method of claim 1 or 2, wherein the controlling the refrigerator to perform the delayed refrigeration control comprises:
determining the number of the compartments needing to be subjected to time delay refrigeration according to the compartment temperature, and calculating time delay refrigeration time according to the determined number of the compartments needing to be subjected to time delay refrigeration;
acquiring an ambient temperature;
and performing delayed refrigeration control according to the delayed refrigeration time and the ambient temperature.
4. The method of claim 3, wherein calculating the delayed cooling time based on the determined number of delayed cooling compartments comprises:
using the formula: sD＝SC+(N-1)*STCalculating the delayed refrigeration time;
wherein S isDFor said time-delayed cooling time, SCOn the basis of a delay in the cooling time, STTo supplement time, N is the number of the refrigerating chambers to be delayed.
5. The method of claim 3, wherein the performing delayed cooling control based on the delayed cooling time and the ambient temperature comprises:
if the ambient temperature satisfies the condition: t isH≥T0Then controlling the compressor to a preset high frequency SHThe fan rotates at a preset high speed RHContinuing to operate the delayStopping the machine after the time of refrigeration;
if the ambient temperature satisfies the condition: t isH＜T0Then controlling the compressor to preset low frequency SLThe fan rotates at a preset low speed RLStopping the machine after continuously running the delayed refrigeration time;
wherein, THIs the ambient temperature, T0Is a preset temperature threshold that determines compressor and fan operating parameters.
6. The method of claim 3, wherein the performing delayed cooling control based on the delayed cooling time and the ambient temperature comprises:
when the time-delay refrigeration control is started, closing a compartment air door corresponding to a compartment which does not need time-delay refrigeration; and
in the delayed refrigeration process, every time when the temperature of the compartment corresponding to the compartment for delayed refrigeration is determined to meet the condition: t is less than or equal to TOFFWhen the air door is closed, the corresponding compartment air door is closed;
wherein T is the compartment temperature, TOFFIs a preset shutdown temperature.
7. The method of claim 6, wherein the delayed cooling control based on the delayed cooling time and the ambient temperature further comprises:
before the time delay refrigeration time is over, if the temperature of the compartment corresponding to each compartment for time delay refrigeration meets the condition: t is less than or equal to TOFFAnd controlling the refrigerator to stop refrigerating operation.
8. The method of claim 2, wherein determining whether the refrigerator needs to enter the delayed cooling control according to the temperature of each compartment further comprises:
if each of the compartment temperatures satisfies the condition: t < TON-TSDetermining that the delayed refrigeration control is not required;
the method further comprises the following steps: and if the refrigerator does not need to enter the delayed refrigeration control, controlling the refrigerator to stop refrigeration operation.
9. A temperature control apparatus for a refrigerator, comprising:
the compartment temperature acquisition module is used for acquiring compartment temperatures of compartments of the refrigerator;
and the time-delay refrigeration control module is used for determining whether the refrigerator needs to enter time-delay refrigeration control according to the temperature of each compartment, controlling the refrigerator to carry out time-delay refrigeration control if necessary, and stopping the refrigeration of the refrigerator after the time-delay refrigeration control is finished.
10. A refrigerator, characterized by comprising:
one or more memories having executable programs stored thereon;
one or more processors configured to execute the executable program in the memory to implement the steps of the method of any one of claims 1-8.
CN202011352111.0A 2020-11-26 2020-11-26 Refrigerator temperature control method and device and refrigerator Active CN112484390B (en)

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