CN115200274B - Refrigerator refrigerating capacity adjusting method - Google Patents

Refrigerator refrigerating capacity adjusting method Download PDF

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Publication number
CN115200274B
CN115200274B CN202210875727.9A CN202210875727A CN115200274B CN 115200274 B CN115200274 B CN 115200274B CN 202210875727 A CN202210875727 A CN 202210875727A CN 115200274 B CN115200274 B CN 115200274B
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CN
China
Prior art keywords
opening
refrigerating
air door
temperature
expansion valve
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Active
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CN202210875727.9A
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Chinese (zh)
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CN115200274A (en
Inventor
黄东
杨易坤
赵日晶
孙瑜
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN202210875727.9A priority Critical patent/CN115200274B/en
Publication of CN115200274A publication Critical patent/CN115200274A/en
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Classifications

    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25D29/003—Arrangement or mounting of control or safety devices for movable 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0253—Compressor control by controlling speed with variable speed
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The application belongs to the technical field of refrigerators, and particularly relates to a refrigerator refrigerating capacity adjusting method. For a single-cycle air-cooled refrigerator, the phenomenon that the temperature of a freezing chamber is not reduced and reversely rises often occurs in the opening process of an air door of a refrigerating chamber, so that the temperature of the freezing chamber is severely fluctuated, the freezing preservation of foods is influenced, and the user experience is seriously influenced. The application provides a method for regulating the refrigerating capacity of a refrigerator, which comprises the steps of determining the opening of an electronic expansion valve according to the ambient temperature, the opening condition of a refrigerating air door and the temperature rise condition of a refrigerating room, automatically correcting the opening value of the electronic expansion valve according to the temperature change condition of the refrigerating room before and after the opening and closing of the refrigerating air door, and actively regulating the refrigerating capacity of the refrigerator. The accurate temperature control in the freezing chamber can be realized under open loop control without adding an additional electronic expansion valve sensor, and the overall power consumption is reduced.

Description

Refrigerator refrigerating capacity adjusting method
Technical Field
The application belongs to the technical field of refrigerators, and particularly relates to a refrigerator refrigerating capacity adjusting method.
Background
Under the background of life quality upgrading, the health consciousness of the user is greatly improved, and more sales opportunities are brought to healthy and intelligent household appliances. For example, intelligent big refrigerators, fresh-keeping refrigerators, T-door refrigerators and the like can meet the demands of users on diet health, intellectualization and refined storage space. However, at present, the refrigerator still uses capillary tubes as throttling mechanisms, and the problems that the flow is not adjustable and the operation conditions of the refrigerator cannot be effectively matched exist.
For a single-cycle air-cooled refrigerator, the phenomenon that the temperature of a freezing chamber is not reduced and reversely rises often occurs in the opening process of an air door of a refrigerating chamber, so that the temperature of the freezing chamber is severely fluctuated, the freezing preservation of foods is influenced, and the user experience is seriously influenced.
Content of the application
1. Technical problem to be solved
Based on the phenomenon that the temperature of a freezing chamber is not reduced and is reversely increased in the opening process of a refrigerating chamber air door of a single-cycle air-cooled refrigerator, the temperature of the freezing chamber is severely fluctuated, the freezing preservation of foods is influenced, and the user experience is seriously influenced.
2. Technical proposal
In order to achieve the above purpose, the application provides a method for adjusting the refrigerating capacity of a refrigerator, which comprises the steps of determining the opening of an electronic expansion valve through the environment temperature, the opening condition of a refrigerating air door and the temperature rise condition of a refrigerating room, automatically correcting the opening value of the electronic expansion valve according to the temperature change condition of the refrigerating room before and after the refrigerating air door is opened and closed, and actively adjusting the refrigerating capacity of the refrigerator.
Another embodiment provided herein is: the ambient temperature is automatically collected when the refrigerator is started to run.
Another embodiment provided herein is: the refrigeration damper opening condition includes the refrigeration damper opening condition and the refrigeration damper closing condition.
Another embodiment provided herein is: and if the refrigerating air door is in an open state, placing the opening of the electronic expansion valve in Z, collecting the temperature of the refrigerating chamber after 30s operation, judging the temperature change delta T of the refrigerating chamber, if delta T is less than 0, keeping the opening of the electronic expansion valve in Z, recording the temperature change rate K2 of the refrigerating chamber in the air door opening stage, otherwise, placing the opening of the electronic expansion valve in Y, and increasing the rotating speed of the compressor by N.
Another embodiment provided herein is: and if the refrigerating air door is in a closed state, setting the opening of the electronic expansion valve at X, and recording the temperature change rate K1 of the refrigerating room in the air door closing stage.
Another embodiment provided herein is: correcting said Y and said Z by comparing the values of said K1 and said K2; judging whether the refrigerator reaches a stop point, and if so, closing the compressor.
Another embodiment provided herein is: the delta T is the temperature T of the freezing chamber at the moment of opening the air door 0 And the temperature T of the freezing chamber when the air door is opened for 30s 30 Is the difference of (2)Value, Δt=t 30 -T 0 。
Another embodiment provided herein is: k1 is the temperature change rate of the refrigerating chamber in the closing stage of the refrigerating air door in the same refrigerating cycle,k2 is the temperature change rate of the refrigerating chamber in the opening stage of the refrigerating air door in the same refrigerating cycle, < + >>
3. Advantageous effects
Compared with the prior art, the refrigerator refrigerating capacity adjusting method has the beneficial effects that:
according to the refrigerator refrigerating capacity adjusting method, an additional electronic expansion valve sensor is not required to be added, accurate temperature control of the freezing chamber can be achieved under open loop control, and the overall power consumption is reduced.
According to the refrigerator refrigerating capacity adjusting method, the electronic expansion valve opening preset value is corrected by comparing the cooling rates of the freezing compartments before and after the switch of the refrigerating air door, so that the temperature fluctuation of the freezing compartments in the temperature pulling process is reduced, and the accurate flow regulation and control of the refrigerator under the variable working condition are realized.
The refrigerator refrigerating capacity adjusting method can realize automatic and accurate selection of the opening degree of the electronic expansion valve aiming at typical working conditions of the refrigerator on the premise that the electronic expansion valve temperature sensor is not required to be additionally arranged.
Drawings
FIG. 1 is a schematic flow chart of a method for regulating the refrigerating capacity of a refrigerator according to the application;
fig. 2 is a schematic structural diagram of a terminal device in the present application.
Detailed Description
Hereinafter, specific embodiments of the present application will be described in detail with reference to the accompanying drawings, and according to these detailed descriptions, those skilled in the art can clearly understand the present application and can practice the present application. Features from various embodiments may be combined to obtain new implementations or other preferred implementations may be substituted for certain features from certain embodiments without departing from the principles of the present application.
Referring to fig. 1 to 2, the present application provides a method for adjusting a refrigerating capacity of a refrigerator, the method comprising S01: when the refrigerator is started, the ambient temperature T is automatically acquired, and the step S02 is performed.
S02: judging the opening state of the refrigeration air door, if the refrigeration air door is in the opening state, entering a step S03, otherwise, entering a step S05.
S03: setting the opening of the electronic expansion valve at Z, collecting the temperature of the freezing chamber after 30S operation, judging the temperature change delta T of the freezing chamber, if delta T is less than 0, keeping the opening of the electronic expansion valve at Z, and proceeding to step S04; otherwise, the opening of the electronic expansion valve is set at Y, the rotation speed of the compressor is increased by N, and the step S04 is carried out.
S04: the temperature change rate K2 of the freezing compartment at the damper opening stage is recorded, and the process proceeds to step S06.
S05: and (3) placing the opening of the electronic expansion valve at X, recording the temperature change rate K1 of the freezing chamber in the closing stage of the air door, and proceeding to the step S06.
S06: by comparing the values of K1 and K2, the electronic expansion valve opening Y, Z is corrected, and the process advances to step S07.
S07: judging whether the refrigerator reaches a stop point, if so, closing the compressor; otherwise, the process advances to step S01.
Further, the environment temperature, the air door opening state and the freezing chamber temperature change condition have the following corresponding relation with the electronic expansion valve opening preset value: when the ring temperature T is less than or equal to 20 ℃, the refrigerating air door is in an open state, and the temperature of the refrigerating room changes by delta T>At 0, the opening of the electronic expansion valve is set to Y 1 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature T is less than or equal to 20 and the refrigerating air door is in an open state and the temperature change delta T of the refrigerating room temperature is less than or equal to 0, the opening of the electronic expansion valve is set as Z 1 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature T is less than or equal to 20 ℃ and the refrigerating air door is in a closed state, the opening of the electronic expansion valve is set to be X 1 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature is 20<T is less than or equal to 35, the refrigerating air door is in an open state, and the temperature of the refrigerating room variesΔT>At 0, the opening of the electronic expansion valve is set to Y 5 The method comprises the steps of carrying out a first treatment on the surface of the When the temperature is 20<T is less than or equal to 35, the refrigerating air door is in an open state, and when the temperature change delta T of the refrigerating room temperature is less than or equal to 0, the opening of the electronic expansion valve is set to Z 5 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature is 20<T is less than or equal to 35, and when the refrigeration air door is in a closed state, the opening of the electronic expansion valve is set to be X 5 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature T>35, the refrigerating air door is in an open state, and the temperature of the refrigerating room changes by delta T>At 0, the opening of the electronic expansion valve is set to Y 3 The method comprises the steps of carrying out a first treatment on the surface of the When the temperature T is the ambient temperature>35, when the refrigerating air door is in an open state and the temperature change delta T of the refrigerating room temperature is less than or equal to 0, the opening of the electronic expansion valve is set as Z 3 The method comprises the steps of carrying out a first treatment on the surface of the When the ring temperature T>35, when the refrigeration damper is in a closed state, the opening degree of the electronic expansion valve is set to be X 3 . The correspondence table is shown in the following table:
electronic expansion valve opening preset value Y 1 、Z 1 、X 1 All are obtained through experiments, and the value ranges are respectively as follows: 200-240, 150-180 and 100-120; electronic expansion valve opening preset value Y 5 、Z 5 、X 5 All are obtained through experiments, and the value ranges are respectively as follows: 240-300, 180-220 and 120-150; electronic expansion valve opening preset value Y 3 、Z 3 、X 3 All are obtained through experiments, and the value ranges are respectively as follows: 300-360, 220-260 and 150-200.
The temperature change delta T of the freezing chamber is the temperature T of the freezing chamber at the moment of opening the air door 0 And the temperature T of the freezing chamber when the air door is opened for 30s 30 Delta t=t 30 -T 0 。
The increase of the rotation speed of the compressor by N is a first gear increase based on the rotation speed of the original compressor.
The electronic expansion valve opening Y, Z can be corrected according to K1 and K2, and is characterized by having the following corresponding relation: when the ring temperature T is less than or equal to 20 ℃, and K1/K2 is less than 1, the opening of Y, Z is reduced by a; when the ring temperature T is less than or equal to 20 ℃, K1/K2 is less than or equal to 1.5, the opening of Y, Z is unchanged; when the ring temperature T is less than or equal to 20 ℃, and K1/K2 is more than 1.5, the opening of Y, Z is increased by a. When the ring temperature is 20< T less than or equal to 35 and K1/K2 is less than 1, the opening of Y, Z is reduced by b; when the ring temperature is 20< T is less than or equal to 35,1 and less than or equal to K1/K2 is less than or equal to 1.5, the opening of Y, Z is unchanged; when the ring temperature is 20< T less than or equal to 35 and K1/K2 is more than 1.5, the opening of Y, Z is increased by b. When the ring temperature T is more than 35 and the K1/K2 is less than 1, the opening of Y, Z is reduced by c; when the ring temperature T is more than 35,1 and less than or equal to K1/K2 and less than or equal to 1.5, the opening of Y, Z is unchanged; when the ring temperature T is more than 35 and the K1/K2 is more than 1.5, the opening of Y, Z is increased by c.
The correspondence table is shown below.
Wherein the value ranges of a, b and c are respectively as follows: 5 to 10, 8 to 15 and 10 to 20.
The typical working condition of the refrigerator is judged by integrating the environment temperature, the opening condition of the refrigeration air door and the temperature change condition of the refrigerating room temperature, the opening degree of the electronic expansion valve is adjusted in a targeted manner, the refrigerating capacity of the refrigerator is actively adjusted, the load of the refrigerator is predicted on the premise of not increasing the temperature sensor of the electronic expansion valve, the targeted flow adjustment is carried out, and the refrigerator has the characteristics of low cost and good energy-saving effect.
For a unidirectional circulating air-cooled refrigerator, the freezing chamber and the refrigerating chamber share the same evaporator for refrigeration and temperature reduction. During the freezing operation, the refrigerating air door is closed, and the evaporator independently supplies cold to the freezing chamber. When the refrigerator detects that the temperature of the refrigerating chamber reaches the set value, the refrigerating air door is opened, and the evaporator needs to refrigerate the freezing chamber and the refrigerating chamber simultaneously. However, since the conventional single-cycle air-cooled refrigerator uses the capillary tube with limited flow regulation capability for regulation, when the air door is opened (i.e. when the refrigerating chamber is refrigerating), the condition that the room temperature of the freezing chamber is not reduced and is reversely raised easily occurs. The specific reason for this is mainly that the high Wen Huifeng of the refrigerating chamber makes the low-temperature air passing through the evaporator still slightly lower than or even higher than the room temperature of the freezing chamber, at this time, the air blown out from the air outlet of the freezing chamber has no cooling effect, and even actively pulls up the temperature of the chamber, so that the temperature of the freezing chamber is quickly raised, the opening probability of the refrigerator is increased, and the energy consumption is increased.
The invention uses an electronic expansion valve to replace a capillary tube as a refrigerator throttling mechanism, and designs a novel refrigerator refrigerating capacity adjusting method aiming at typical working conditions of severe changes of refrigerator loads before and after a single-cycle refrigerator refrigerating air door is opened. And selecting an opening degree corresponding table of the electronic expansion valve by detecting the ambient temperature of the refrigerator. And judging the load state corresponding to the refrigerator at the moment by detecting whether the air door is opened or not. And determining the opening degree of the electronic expansion valve at the moment by detecting the temperature change condition of the freezing compartment after the air door is opened. If the temperature still keeps falling, the cold air in the freezing compartment can still meet the temperature pulling requirement, and the electronic expansion valve operates according to the set opening; if the temperature starts to rise, the situation that the temperature pulling requirement cannot be met at the moment is indicated, the opening of the electronic expansion valve is adjusted, and the rotating speed of the compressor is increased. Meanwhile, in order to enable the preset opening of the electronic expansion valve to be self-adaptive to the actual working condition of the refrigerator, the preset opening needs to be corrected after each air door opening and closing period, so that the opening of the electronic expansion valve can meet the requirements during each operation. Under the premise of not increasing the cost of any sensor, the flow control is carried out on the typical variable working condition in the actual operation process of the single-cycle air-cooled refrigerator, so that the accurate control of the temperature of the freezing compartment is realized, and the energy consumption of the refrigerator is reduced.
The application also provides a terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of any of the various method embodiments described above when executing the computer program.
The terminal device of this embodiment includes: at least one processor (only one shown in fig. 2), a memory, and a computer program stored in the memory and executable on the at least one processor, which when executed implements the steps of any of the various metabolic pathway prediction method embodiments described below.
The terminal equipment can be computing equipment such as a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The terminal device may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that the terminal device is merely an example and is not limiting of the terminal device, and may include more or fewer components than shown, or may combine certain components, or different components, for example, may also include input and output devices, network access devices, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), it may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may in some embodiments be an internal storage unit of the terminal device, such as a hard disk or a memory of the terminal device. The memory may in other embodiments also be an external storage device of the terminal device, such as a plug-in hard disk, a Smart Media Card (MC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the terminal device.
Further, the memory may also include both an internal storage unit and an external storage device of the terminal device. The memory is used to store an operating system, application programs, boot loader (BootLoader), data, and other programs, etc., such as program code for the computer program, etc. The memory may also be used to temporarily store data that has been output or is to be output.
Embodiments of the present application also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements steps that may implement the various method embodiments described above.
The present embodiments provide a computer program product which, when run on a terminal device, causes the terminal device to perform steps that enable the respective method embodiments described above to be implemented. The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present application implements all or part of the flow of the method of the above embodiments, and may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, where the computer program, when executed by a processor, may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include at least: any entity or device capable of carrying computer program code to a photographing device/terminal apparatus, recording medium, computer Memory, read-Only Memory (ROM), random access Memory (RAM, random Access Memory), electrical carrier signals, telecommunications signals, and software distribution media. Such as a U-disk, removable hard disk, magnetic or optical disk, etc. In some jurisdictions, computer readable media may not be electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/network device and method may be implemented in other manners. For example, the apparatus/network device embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical functional division, and there may be additional divisions in actual implementation, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Although the present application has been described with reference to particular embodiments, those skilled in the art will appreciate that many modifications are possible in the principles and scope of the disclosure. The scope of the application is to be determined by the appended claims, and it is intended that the claims cover all modifications that are within the literal meaning or range of equivalents of the technical features of the claims.

Claims (4)

1. A refrigerator refrigerating capacity adjusting method is characterized in that: determining the opening of an electronic expansion valve according to the environment temperature, the opening condition of a refrigeration air door and the temperature rise condition of a freezing room, automatically correcting the opening value of the electronic expansion valve according to the temperature change condition of the freezing room before and after the opening and closing of the refrigeration air door, and actively regulating the refrigerating capacity of the refrigerator;
the cold storage air door opening condition comprises a cold storage air door opening state and a cold storage air door closing state; if the refrigerating air door is in an open state, placing the opening of the electronic expansion valve in Z, collecting the temperature of the refrigerating chamber after 30s operation, judging the temperature change delta T of the refrigerating chamber, if delta T is less than 0, keeping the opening of the electronic expansion valve in Z, recording the temperature change rate K2 of the refrigerating chamber in the air door opening stage, otherwise, placing the opening of the electronic expansion valve in Y, and increasing the rotating speed of the compressor by N; if the refrigerating air door is in a closed state, placing the opening of the electronic expansion valve in X, and recording the temperature change rate K1 of the refrigerating room temperature in the air door closing stage; correcting said Y and said Z by comparing the values of said K1 and said K2; judging whether the refrigerator reaches a stop point, if so, closing the compressor, wherein the opening X, Y of the electronic expansion valve and the Z value range are different according to different environment temperatures;
the delta T is the temperature T of the freezing chamber at the moment of opening the air door 0 And the temperature T of the freezing chamber when the air door is opened for 30s 30 Delta t=t 30 -T 0 The method comprises the steps of carrying out a first treatment on the surface of the The K1 is the temperature change rate of the refrigerating compartment in the closing stage of the refrigerating air door in the same refrigerating cycle; and K2 is the temperature change rate of the refrigerating compartment in the opening stage of the refrigerating air door in the same refrigerating cycle.
2. The method for adjusting the refrigerating capacity of a refrigerator as claimed in claim 1, wherein: the ambient temperature is automatically collected when the refrigerator is started to run.
3. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 2 when executing the computer program.
4. A computer-readable storage medium, in which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the method according to any one of claims 1 to 2.
CN202210875727.9A 2022-07-21 2022-07-21 Refrigerator refrigerating capacity adjusting method Active CN115200274B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004251515A (en) * 2003-02-19 2004-09-09 Sanyo Electric Co Ltd Refrigerator-freezer
CN101476803A (en) * 2009-01-22 2009-07-08 上海爱控自动化设备有限公司 Energy-saving refrigeration control system and method thereof
CN105509411A (en) * 2016-01-29 2016-04-20 合肥美的电冰箱有限公司 Refrigerator control method system and refrigerator
CN107289711A (en) * 2017-06-30 2017-10-24 青岛海尔股份有限公司 Multi-door refrigerator
CN111407123A (en) * 2020-04-24 2020-07-14 珠海格力电器股份有限公司 Control method for reducing temperature fluctuation, temperature control device and display cabinet
CN114087825A (en) * 2021-11-24 2022-02-25 广西成电智能制造产业技术有限责任公司 Energy-saving control method for refrigerator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004251515A (en) * 2003-02-19 2004-09-09 Sanyo Electric Co Ltd Refrigerator-freezer
CN101476803A (en) * 2009-01-22 2009-07-08 上海爱控自动化设备有限公司 Energy-saving refrigeration control system and method thereof
CN105509411A (en) * 2016-01-29 2016-04-20 合肥美的电冰箱有限公司 Refrigerator control method system and refrigerator
CN107289711A (en) * 2017-06-30 2017-10-24 青岛海尔股份有限公司 Multi-door refrigerator
CN111407123A (en) * 2020-04-24 2020-07-14 珠海格力电器股份有限公司 Control method for reducing temperature fluctuation, temperature control device and display cabinet
CN114087825A (en) * 2021-11-24 2022-02-25 广西成电智能制造产业技术有限责任公司 Energy-saving control method for refrigerator

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