CN108800750A - Control method, refrigerator and the computer readable storage medium of refrigerator - Google Patents

Control method, refrigerator and the computer readable storage medium of refrigerator Download PDF

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Publication number
CN108800750A
CN108800750A CN201810640606.XA CN201810640606A CN108800750A CN 108800750 A CN108800750 A CN 108800750A CN 201810640606 A CN201810640606 A CN 201810640606A CN 108800750 A CN108800750 A CN 108800750A
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CN
China
Prior art keywords
refrigerator
revolution
distributing valve
compressor
evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810640606.XA
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Chinese (zh)
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CN108800750B (en
Inventor
张海婷
吴千里
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Hualing Co Ltd, Midea Group Co Ltd, Hefei Midea Refrigerator Co Ltd filed Critical Hefei Hualing Co Ltd
Priority to CN201810640606.XA priority Critical patent/CN108800750B/en
Publication of CN108800750A publication Critical patent/CN108800750A/en
Application granted granted Critical
Publication of CN108800750B publication Critical patent/CN108800750B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022Compressor control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07Details of compressors or related parts
    • F25B2400/077Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts

Abstract

The present invention discloses a kind of control method of refrigerator, refrigerator and computer readable storage medium, wherein, the control method of the refrigerator includes when the operating status of refrigerator reaches the switching condition of the distributing valve of the refrigerator, the initial revolution of the compressor of the refrigerator is obtained, the distributing valve is used to distribute the cold medium flux into the refrigerator different evaporators;Judge whether the initial revolution of the compressor is less than predetermined threshold value;When the initial revolution is less than the predetermined threshold value, the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators;When the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is less than the predetermined threshold value, then controls the folding condition of the distributing valve, to adjust the cold medium flux for entering the different evaporators.The present invention can avoid, caused distribution Vavle switching not in place technical problem too fast by the refrigerant flow rate of distributing valve.

Description

Control method, refrigerator and the computer readable storage medium of refrigerator
Technical field
The present invention relates to home wiring control technical fields, and in particular to a kind of control method of refrigerator, refrigerator and computer can Read storage medium.
Background technology
In the prior art, the compressor of refrigerator constantly aspirates the refrigerant in evaporator, and refrigerant is compressed into high pressure, height Warm steam is sent to condenser, and refrigerant releases heat within the condenser, and is condensed into liquid, and refrigerant is distributed by distributing valve again to flow To and flow, into different evaporators, realize equipped with different evaporators different compartments freeze.Distributing valve is by switching not Same state, to adjust the cold medium flux into different evaporators.When the flow velocity of the refrigerant by distributing valve is excessively high, it is easy to cause Distributing valve switching state fails, or switching is not in place, to influence the operation of refrigerator.
Invention content
The main object of the present invention is to provide a kind of control method of refrigerator, refrigerator and computer readable storage medium, purport Solving, refrigerant flow rate is excessively high, the technical problem for causing distributing valve switching state not in place.
To achieve the above object, the control method of refrigerator proposed by the present invention includes the following steps:
When the operating status of refrigerator reaches the switching condition of the distributing valve of the refrigerator, the compressor of the refrigerator is obtained Initial revolution, the distributing valve be used for distribute entrance the refrigerator different evaporators cold medium flux;
Judge whether the initial revolution of the compressor is less than predetermined threshold value;
When the initial revolution is less than the predetermined threshold value, the folding condition of the distributing valve is controlled, to adjust entrance The cold medium flux of the different evaporators;
When the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is less than the default threshold Value, then the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators.
Preferably, described when the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is less than The predetermined threshold value, then the folding condition of the distributing valve is controlled, to adjust into the cold medium flux of the different evaporators After step, further include:
The revolution for controlling the compressor is improved to the initial revolution.
Preferably, the revolution of the compressor is divided into multiple gears, each gear corresponds to a revolution numerical value or one section Continuous revolution numerical value, described when the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is less than The predetermined threshold value, then the step of distribution valve regulation enters the cold medium flux of the different evaporators is controlled, it specifically includes:
When the initial revolution is more than the predetermined threshold value, the revolution of the compressor is controlled every preset time to be reduced One gear until the revolution of the compressor is less than the predetermined threshold value, then controls the folding condition of the distributing valve, to adjust Section enters the cold medium flux of the different evaporators.
Preferably, described when the initial revolution is more than the predetermined threshold value, control the compression every preset time The revolution of machine reduces a gear, then controls the folding condition of the distributing valve, enters the cold of the different evaporators to adjust After the step of matchmaker's flow, further include:
The revolution that the compressor is controlled every the preset time increases a gear, until the revolution of the compressor It improves to the initial revolution.
Preferably, the evaporator includes refrigerator evaporator and freezer evaporator, the folding condition of the distributing valve Including first state and the second state, when the distributing valve is in the first state, refrigerant flows through the refrigerating chamber evaporation The compressor is flowed back to after device and the freezer evaporator;When the distributing valve is in second state, refrigerant without flow through The refrigerator evaporator and flow back to the compressor after directly flowing through the freezer evaporator.
Preferably, when the switching condition of the distributing valve for reaching the refrigerator when the operating status of refrigerator, described in acquisition It the step of initial revolution of the compressor of refrigerator, specifically includes:
The folding condition for obtaining the distributing valve obtains the refrigerator evaporator or the refrigerator evaporator pair The freezing of the refrigerated storage temperature for the refrigerating chamber answered and the freezer evaporator or the corresponding freezing chamber of the freezer evaporator Temperature;
When the folding condition is the first state, judge whether the refrigerated storage temperature is less than the first preset temperature;
When the refrigerated storage temperature is less than the first preset temperature, the switching condition for meeting the distributing valve is confirmed;
When the folding condition is second state, judge whether the refrigerated storage temperature is less than the described first default temperature Degree;
When the refrigerated storage temperature is more than first preset temperature, the switching condition for meeting the distributing valve is confirmed, In, first preset temperature is higher than second preset temperature.
Preferably, described when the folding condition is second state, judge whether the refrigerated storage temperature is less than institute After the step of stating the first preset temperature, further include:
Judge whether the cryogenic temperature is less than second preset temperature;
When the cryogenic temperature is less than second preset temperature, controls the compressor and be stopped.
Preferably, the folding condition of the control distributing valve, to adjust the refrigerant stream for entering the different evaporators The step of amount, specially:
It controls the distributing valve and is switched to second state, the refrigerator evaporator is not passed through to adjust refrigerant;
Or the control distributing valve is switched to the first state, and the refrigerator evaporator is flowed through to adjust refrigerant.
The present invention also provides a kind of refrigerator, including compressor, evaporator, distributing valve, storage unit, processing unit and deposit The computer program that can be run in the storage unit and on the processing unit is stored up, the processing unit executes the meter The step of realizing the control method of refrigerator as the aforementioned when calculation machine program, the quantity at least two of the evaporator, the distribution Valve is used to distribute the cold medium flux into the different evaporators.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium The step of calculation machine program, the computer program realizes the control method of refrigerator as the aforementioned when being executed by processing unit.
In technical solution of the present invention, the revolution by controlling the compressor reduces, so that by compressor compresses When refrigerant after driving flows through the distributing valve, flow velocity is relatively low, then is allocated Vavle switching, to avoid distributing valve due to refrigerant Flow velocity is very fast, caused handover failure or switching situation not in place so that properties of product are promoted.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the hardware module structural schematic diagram of the refrigerator in one embodiment of the invention;
Fig. 2 is the flow diagram of the first embodiment of the control method of the refrigerator in the present invention;
Fig. 3 is the flow diagram of the second embodiment of the control method of the refrigerator in the present invention;
Fig. 4 is the flow diagram of the 3rd embodiment of the control method of the refrigerator in the present invention;
Fig. 5 is the flow diagram of the fourth embodiment of the control method of the refrigerator in the present invention;
Fig. 6 is the part flow diagram of the 5th embodiment of the control method of the refrigerator in the present invention;
Fig. 7 is the part flow diagram of the sixth embodiment of the control method of the refrigerator in the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, can also be Electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix Ground uses.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field Logical technical staff can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this The combination of technical solution is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of control method and refrigerator, computer readable storage medium of refrigerator.
As shown in Figure 1, Fig. 1 is the hardware module structural schematic diagram of the refrigerator in one embodiment of the invention.
The control method of refrigerator in the present embodiment is applied in refrigerator 100, the operation for controlling refrigerator 100.It is described Refrigerator 100 includes compressor 30, evaporator 40, distributing valve 50, storage unit 10 and processing unit 20, and the processing unit 20 divides It is not connect with the storage unit 10, the compressor 30, the evaporator 40 and the distributing valve 50, the storage unit 10 On be stored with computer program, the computer program can be executed by the processing unit 20.
It is understood that in the refrigerator 100, the refrigerant in evaporator 40 is constantly aspirated by compressor 30, And refrigerant is compressed into high pressure, high-temperature steam is sent to condenser;Refrigerant releases heat within the condenser, is condensed into liquid;It is cold For matchmaker again by distributing valve 50, distributing valve 50 is used to control the flow direction and flow of refrigerant, enters back into restricting element capillary, then into Enter evaporator 40.Refrigerant becomes low pressure in restricting element capillary from high pressure, and the liquid to gasify on a small quantity occurs, and refrigerant leaves When restricting element capillary, become liquid, gas two-phase mixtures state, subsequently into 40 explosive evaporation of evaporator, from object to be cooled Heat of gasification needed for middle absorption, low pressure, high temperature refrigerant are again by the suction of compressor 30, compression, into recycling next time.
40 quantity of evaporator and installation site are corresponding with the compartment that refrigerator 100 is separated out, and the quantity of certain evaporator 40 is extremely When being two less, setting distributing valve 50 is just needed to be allocated.Evaporator 40 may include refrigerator evaporator, freezing chamber evaporator Device and temperature-changing chamber evaporator, to realize that the corresponding compartment of refrigerator evaporator has cold storage function, freezer evaporator corresponding There is compartment freezing function, the corresponding compartment of temperature-changing chamber evaporator to have zero degree fresh-keeping function.Under normal circumstances, refrigerant preferentially passes through Refrigerator evaporator is crossed, after refrigeration reaches the temperature of setting, processing unit 20 gives distributing valve 50 1 control signals, distributing valve 50 may turn off the flow path of refrigerator evaporator, and refrigerant only flows to freezer evaporator at this time, until freezing reaches set temperature.
In addition, refrigerant can also be filtered drying by device for drying and filtering, after removing impurity and moisture in refrigerant, Enter back into distributing valve 50.
In the present embodiment, storage unit 10 can be used for storing software program and various data.Storage unit 10 can be led To include storing program area and storage data field, wherein storing program area can storage program area, needed at least one function Application program etc., storage data field can store data (such as temperature data) etc. required when the refrigerator 100 uses.
Processing unit 20 is the control centre of refrigerator 100, utilizes each of various interfaces and the entire refrigerator of connection 100 A part by running or execute the software program and/or module that are stored in storage unit 10, and calls and is stored in storage Data in unit 10 execute the various functions and processing data of refrigerator 100, to carry out integral monitoring to refrigerator 100.
Based on above-mentioned hardware configuration, each embodiment of the control method of the refrigerator 100 in the present invention is proposed.
Fig. 2 is please referred to, for the flow diagram of the first embodiment of the control method of the refrigerator in the present invention.The control Method 201 includes the following steps:
Step S1 obtains the refrigerator when the operating status of refrigerator reaches the switching condition of the distributing valve of the refrigerator Compressor initial revolution, the distributing valve be used for distribute entrance the refrigerator different evaporators cold medium flux;
Specifically, the operating status of refrigerator can refer to the temperature of refrigerating chamber, the temperature of freezing chamber, refrigerator evaporator Temperature, the temperature of freezer evaporator, can also be the frost thickness adhered on refrigerator evaporator and freezer evaporator, also Can be compressor operation it is indirect, i.e., compressor operating for a period of time, control distribution Vavle switching etc..Distributing valve can be specifically The valve of the controllable fluid floies such as electromagnetic-type electronic expansion valve, electrodynamic type electric expansion valve.It will be appreciated by those skilled in the art that Ground, in the control of refrigerator, distributing valve can be according to many factors, to determine how to distribute the refrigerant stream into different evaporators Amount.Specific refrigerator meets the switching condition of distributing valve when being which kind of operating status, do not limited in the present embodiment.The number of evaporator Amount and installation site can determine according to how many a compartments that are equipped with of refrigerator, such as:Evaporator may include refrigerator evaporator, freezing Room evaporator and temperature-changing chamber evaporator, to realize that different compartments distinguish temperature control.
Step S2, judges whether the initial revolution of the compressor is less than predetermined threshold value;
Specifically, predetermined threshold value can be configured according to actual needs so that when the revolution of compressor is predetermined threshold value, be led to Cross the refrigerant of distributing valve influences smaller or inaction standard to the switching of distributing valve.
Step S3 controls the folding condition of the distributing valve when the initial revolution is less than the predetermined threshold value, to adjust Section enters the cold medium flux of the different evaporators;
Step S4 controls the revolution of the compressor less than described when the initial revolution is more than the predetermined threshold value Predetermined threshold value, then the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators.
In the present invention, it is reduced by controlling the revolution of compressor, so that cold after compressor compresses drive When matchmaker flows through distributing valve, flow velocity is relatively low, then is allocated Vavle switching, to avoid distributing valve since refrigerant flow rate is very fast, causes Handover failure or switching situation not in place so that properties of product are promoted.
Referring to Fig. 3, the flow diagram of the second embodiment of the control method of refrigerator in the present invention.In second reality It applies in example, step S1~step S4 of the control method 202 of the refrigerator is identical with first embodiment, and details are not described herein; Its difference is, after the step S4, further includes:
Step S51, the revolution for controlling the compressor are improved to the initial revolution.
When specifically, in order to avoid distribution Vavle switching, refrigerant flow rate is too fast, and control compressor reduces revolution, correspondingly, working as After distributing Vavle switching, the revolution for adjusting compressor is promoted to initial revolution, to ensure the normal refrigeration of refrigerator.
Referring to Fig. 4, the flow diagram of the 3rd embodiment of the control method of refrigerator in the present invention.In third reality It applies in example, step S1~step S3 of the control method 203 of the refrigerator is identical with first embodiment, and details are not described herein; Its difference is, the revolution of the compressor is divided into multiple gears, each gear corresponds to a revolution numerical value or one section continuous Revolution numerical value, the step S4 specifically includes:
Step S41 controls the compressor when the initial revolution is more than the predetermined threshold value every preset time Revolution reduces a gear, until the revolution of the compressor is less than the predetermined threshold value, then controls the folding of the distributing valve State, to adjust the cold medium flux for entering the different evaporators.
Specifically, those skilled in the art can be arranged preset time and be divided into the revolution of compressor more according to actual needs A gear.Such as:The revolution of compressor is 2000~4000rmp, and the revolution of compressor can be divided into 4 shelves, 1 grade corresponding turn Number is 2000~2500rmp, and 2 grades of corresponding revolutions are 2500~3000rmp, and 3 grades of corresponding revolutions are 3000~3500rmp, 4 The corresponding revolution of shelves is 3500~4000rmp, and when initial revolution is 3700, respective notch is 4 grades.It is assumed that predetermined threshold value It is 3000, interval time 5s reduces the revolution 3 of compressor since initial revolution 3700rmp is more than predetermined threshold value 3000rmp Shelves are still unsatisfactory for being reduced to 2 grades less than the revolution of control compressor after predetermined threshold value 3000rmp, 5s, to meet turning for compressor Number is less than predetermined threshold value.
By the way that revolution is divided into different stalls, consequently facilitating control, realizes the decline step by step of revolution;By when default Between, adjust the revolution of first compression machine influences the service life of compressor to avoid the revolution of compressor from reducing suddenly.
Referring to Fig. 5, the flow diagram of the fourth embodiment of the control method of refrigerator in the present invention.It is real the 4th It applies in example, step S1~step S4 of the control method 204 of the refrigerator is identical with 3rd embodiment, and details are not described herein; Its difference is, after the step S41, further includes:
Step S52, the revolution that the compressor is controlled every the preset time increases a gear, until the compression The revolution of machine is improved to the initial revolution.
In one embodiment, the evaporator includes refrigerator evaporator and freezer evaporator, and the distributing valve is opened Conjunction state includes first state and the second state, and when the distributing valve is in the first state, refrigerant flows through the refrigeration The compressor is flowed back to after room evaporator and the freezer evaporator;When the distributing valve is in second state, refrigerant The compressor is flowed back to after directly flowing through the freezer evaporator without flow through the refrigerator evaporator.
Specifically, when distributing valve is in first state, refrigerant flows after flowing through refrigerator evaporator and freezer evaporator Return compressor so that refrigerator evaporator and freezer evaporator all have refrigerating function;It is cold when distributing valve is in the second state Matchmaker flows back to compressor after directly flowing through freezer evaporator without flow through refrigerator evaporator so that refrigerator evaporator is not made Cold, freezer evaporator can freeze, to realize that the temperature of freezing chamber and refrigerating chamber is inconsistent.Certainly in other embodiment In, distributing valve can also include other multiple states, such as in another embodiment, evaporator further includes temperature-changing chamber evaporator, The operating status of distributing valve can also include the third state, that is, controls refrigerant and evaporated without flow through refrigerator evaporator and temperature-changing chamber Device, and flow back to compressor after directly flowing through freezer evaporator;Or including the 4th state, that is, controls refrigerant and flow through refrigerating chamber steaming The flow for sending out device reduces, while compressor etc. is flowed back to after refrigerant freezer evaporator.
Referring to Fig. 6, the part flow diagram of the 5th embodiment of the control method of refrigerator in the present invention.This In five embodiments, step S2~step S4 of the control method 205 of the refrigerator is identical with first embodiment, no longer superfluous herein It states;Its difference is that the step S1 is specifically included:
Step S11 obtains the folding condition of the distributing valve, obtains the refrigerator evaporator or the refrigerating chamber The refrigerated storage temperature and the freezer evaporator of the corresponding refrigerating chamber of evaporator or the corresponding freezing of the freezer evaporator The cryogenic temperature of room;
It is pre- to judge whether the refrigerated storage temperature is less than first when the folding condition is the first state by step S12 If temperature;
Step S14 confirms the switching item for meeting the distributing valve when the refrigerated storage temperature is less than the first preset temperature Part;
Step S13 judges whether the refrigerated storage temperature is less than described the when the folding condition is second state One preset temperature;
Step S15 confirms the switching for meeting the distributing valve when the refrigerated storage temperature is more than first preset temperature Condition, wherein first preset temperature is higher than second preset temperature.
Specifically, the first preset temperature and the second preset temperature can be arranged in those skilled in the art according to actual needs, excellent The value range of selection of land, the first preset temperature is 3~10 DEG C, and the value range of the second preset temperature is -15~-20 DEG C.Pass through According to the folding condition, cryogenic temperature and refrigerated storage temperature, to can determine whether the refrigerating state of each compartment, so as to further lead to Cross the temperature that distributing valve controls each compartment.
Referring to Fig. 7, the part flow diagram of the sixth embodiment of the control method of refrigerator in the present invention.This In six embodiments, step S11~step S15 of the control method 206 of the refrigerator, step S2~step S4 and the 5th embodiment In it is identical, details are not described herein;Its difference is, after the step S13, further includes:
Step S16, judges whether the cryogenic temperature is less than second preset temperature;
Step S17 controls the compressor and is stopped when the cryogenic temperature is less than second preset temperature.
When the folding condition is the second state, it was demonstrated that cryogenic temperature has been less than the first preset temperature, i.e. freezing chamber Temperature is subcooled, when the cryogenic temperature is less than second preset temperature, it was demonstrated that the temperature of freezing chamber is subcooled, at this time compressor It is stopped so that refrigerator evaporator and freezer evaporator no longer freeze, and while power saving, compressor are avoided to transport always Row.
Correspondingly, in another embodiment, the control distributing valve in the step S3 and the step S4 Folding condition, the cold medium flux that the different evaporators are entered with adjusting are specially:
It controls the distributing valve and is switched to second state, the refrigerator evaporator is not passed through to adjust refrigerant;
Or the control distributing valve is switched to the first state, and the refrigerator evaporator is flowed through to adjust refrigerant.
Distribution Vavle switching different conditions are crossed, to adjust whether flow into refrigerant into different evaporators, to realize that control is each The temperature of compartment.
Referring once again to Fig. 1, the present invention also provides a kind of refrigerators, including compressor, evaporator, distributing valve, storage list Member and is stored in the computer program that can be run in the storage unit and on the processing unit, the steaming at processing unit The quantity at least two of device is sent out, the distributing valve is used to distribute the cold medium flux into different evaporators, and the processing unit is held The step of realizing the control method of refrigerator as the aforementioned when the row computer program, specifically includes:
Step S1 obtains the refrigerator when the operating status of refrigerator reaches the switching condition of the distributing valve of the refrigerator Compressor initial revolution, the distributing valve be used for distribute entrance the refrigerator different evaporators cold medium flux;
Step S2, judges whether the initial revolution of the compressor is less than predetermined threshold value;
Step S3 controls the folding condition of the distributing valve when the initial revolution is less than the predetermined threshold value, to adjust Section enters the cold medium flux of the different evaporators;
Step S4 controls the revolution of the compressor less than described when the initial revolution is more than the predetermined threshold value Predetermined threshold value, then the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators.
In the present invention, it is reduced by controlling the revolution of compressor, so that cold after compressor compresses drive When matchmaker flows through distributing valve, flow velocity is relatively low, then is allocated Vavle switching, to avoid distributing valve since refrigerant flow rate is very fast, causes Handover failure or switching situation not in place so that properties of product are promoted.
Further, described when the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is small In the predetermined threshold value, then the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators The step of after, further include:
Step S51, the revolution for controlling the compressor are improved to the initial revolution.
Further, described when the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is small In the predetermined threshold value, then the folding condition of the distributing valve is controlled, to adjust the cold medium flux for entering the different evaporators The step of specifically include:
Step S41 controls the compressor when the initial revolution is more than the predetermined threshold value every preset time Revolution reduces a gear, until the revolution of the compressor is less than the predetermined threshold value, then controls the folding of the distributing valve State, to adjust the cold medium flux for entering the different evaporators.
Further, described when the initial revolution is more than the predetermined threshold value, control the pressure every preset time The revolution of contracting machine reduces a gear, until the revolution of the compressor is less than the predetermined threshold value, then controls the distributing valve Folding condition, the step of to adjust the cold medium flux for entering the different evaporators after, further include:
Step S52, the revolution that the compressor is controlled every the preset time increases a gear, until the compression The revolution of machine is improved to the initial revolution.
Further, the evaporator includes refrigerator evaporator and freezer evaporator, the folding shape of the distributing valve State includes first state and the second state, and when the distributing valve is in the first state, refrigerant flows through the refrigerating chamber and steams The compressor is flowed back to after hair device and the freezer evaporator;When the distributing valve is in second state, refrigerant does not flow It crosses the refrigerator evaporator and flows back to the compressor after directly flowing through the freezer evaporator.
Further, when the switching condition of the distributing valve for reaching the refrigerator when the operating status of refrigerator, institute is obtained The initial revolution of the compressor of refrigerator is stated, the distributing valve is used to distribute into the cold medium flux of the refrigerator different evaporators Step specifically includes:
Step S11 obtains the folding condition of the distributing valve, obtains the refrigerator evaporator or the refrigerating chamber The refrigerated storage temperature and the freezer evaporator of the corresponding refrigerating chamber of evaporator or the corresponding freezing of the freezer evaporator The cryogenic temperature of room;
It is pre- to judge whether the refrigerated storage temperature is less than first when the folding condition is the first state by step S12 If temperature;
Step S14 confirms the switching item for meeting the distributing valve when the refrigerated storage temperature is less than the first preset temperature Part;
Step S13 judges whether the refrigerated storage temperature is less than described the when the folding condition is second state One preset temperature;
Step S15 confirms the switching for meeting the distributing valve when the refrigerated storage temperature is more than first preset temperature Condition, wherein first preset temperature is higher than second preset temperature.
Further, described when the folding condition is second state, judge whether the refrigerated storage temperature is less than After the step of first preset temperature, further include:
Step S16, judges whether the cryogenic temperature is less than second preset temperature;
Step S17 controls the compressor and is stopped when the cryogenic temperature is less than second preset temperature.
Further, described when the initial revolution is less than the predetermined threshold value, control the folding shape of the distributing valve State, to adjust into the step of the cold medium flux of the different evaporators and described when the initial revolution is more than the default threshold When value, the revolution for controlling the compressor is less than the predetermined threshold value, then controls the folding condition of the distributing valve, with adjust into The folding condition of the control distributing valve in the step of entering the cold medium flux of the different evaporators, is entered not with adjusting Cold medium flux with the evaporator is specially:
It controls the distributing valve and is switched to second state, the refrigerator evaporator is not passed through to adjust refrigerant;
Or the control distributing valve is switched to the first state, and the refrigerator evaporator is flowed through to adjust refrigerant.
Distribution Vavle switching different conditions are crossed, to adjust whether flow into refrigerant into different evaporators, to realize that control is each The temperature of compartment.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium The step of calculation machine program, the computer program realizes the control method of refrigerator as the aforementioned when being executed by processing unit.
In the description of this specification, reference term " embodiment ", " another embodiment ", " other embodiment " or " The description of one embodiment~X embodiment " etc. mean specific features described in conjunction with this embodiment or example, structure, material or Person's feature is included at least one embodiment or example of the invention.In the present specification, to the schematic table of above-mentioned term It states and may not refer to the same embodiment or example.Moreover, specific features, structure, material, method and step or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that process, method, article or system including a series of elements include not only those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone, Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The foregoing is merely the optional implementations of the present invention, are not intended to limit the scope of the invention, every in this hair Under bright design, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in other indirectly Relevant technical field is included in the scope of patent protection of the present invention.

Claims (10)

1. a kind of control method of refrigerator, which is characterized in that include the following steps:
When the operating status of refrigerator reaches the switching condition of the distributing valve of the refrigerator, the first of the compressor of the refrigerator is obtained Beginning revolution, the distributing valve are used to distribute the cold medium flux into the refrigerator different evaporators;
Judge whether the initial revolution of the compressor is less than predetermined threshold value;
When the initial revolution is less than the predetermined threshold value, the folding condition of the distributing valve is controlled, enters difference to adjust The cold medium flux of the evaporator;
When the initial revolution is more than the predetermined threshold value, the revolution for controlling the compressor is less than the predetermined threshold value, then The folding condition for controlling the distributing valve, to adjust the cold medium flux for entering the different evaporators.
2. the control method of refrigerator as described in claim 1, which is characterized in that described when the initial revolution is more than described pre- If when threshold value, the revolution for controlling the compressor is less than the predetermined threshold value, then controls the folding condition of the distributing valve, to adjust Section entered after the step of cold medium flux of the different evaporators, further included:
The revolution for controlling the compressor is improved to the initial revolution.
3. the control method of refrigerator as described in claim 1, which is characterized in that the revolution of the compressor is divided into multiple shelves Position, each gear corresponds to a revolution numerical value or one section of continuous revolution numerical value, described when the initial revolution is more than described pre- If when threshold value, the revolution for controlling the compressor is less than the predetermined threshold value, then controls the folding condition of the distributing valve, to adjust Section enters the step of cold medium flux of the different evaporators, specifically includes:
When the initial revolution is more than the predetermined threshold value, the revolution of the compressor is controlled every preset time reduces by one Gear then controls the folding condition of the distributing valve until the revolution of the compressor is less than the predetermined threshold value, with adjust into Enter the cold medium flux of the different evaporators.
4. the control method of refrigerator as claimed in claim 3, which is characterized in that described when the initial revolution is more than described pre- If when threshold value, the revolution of the compressor is controlled every preset time reduces a gear, then controls the folding of the distributing valve State, the step of to adjust the cold medium flux for entering the different evaporators after, further include:
The revolution that the compressor is controlled every the preset time increases a gear, until the revolution of the compressor improves To the initial revolution.
5. the control method of refrigerator as described in claim 1, which is characterized in that the evaporator include refrigerator evaporator and The folding condition of freezer evaporator, the distributing valve includes first state and the second state, when the distributing valve is in described When first state, refrigerant flows back to the compressor after flowing through the refrigerator evaporator and the freezer evaporator;Described point When being in second state with valve, after refrigerant directly flows through the freezer evaporator without flow through the refrigerator evaporator Flow back to the compressor.
6. the control method of refrigerator as claimed in claim 5, which is characterized in that described when the operating status of refrigerator reaches described When the switching condition of the distributing valve of refrigerator, the step of obtaining the initial revolution of the compressor of the refrigerator, specifically include:
The folding condition for obtaining the distributing valve, obtains the refrigerator evaporator or the refrigerator evaporator is corresponding The freezing temperature of the refrigerated storage temperature of refrigerating chamber and the freezer evaporator or the corresponding freezing chamber of the freezer evaporator Degree;
When the folding condition is the first state, judge whether the refrigerated storage temperature is less than the first preset temperature;
When the refrigerated storage temperature is less than the first preset temperature, the switching condition for meeting the distributing valve is confirmed;
When the folding condition is second state, judge whether the refrigerated storage temperature is less than first preset temperature;
When the refrigerated storage temperature is more than first preset temperature, the switching condition for meeting the distributing valve is confirmed, wherein institute It states the first preset temperature and is higher than second preset temperature.
7. the control method of refrigerator as claimed in claim 6, which is characterized in that described when the folding condition is described second When state, after judging the step of whether refrigerated storage temperature is less than first preset temperature, further include:
Judge whether the cryogenic temperature is less than second preset temperature;
When the cryogenic temperature is less than second preset temperature, controls the compressor and be stopped.
8. the control method of refrigerator as claimed in claim 6, which is characterized in that the folding shape of the control distributing valve State, the step of to adjust the cold medium flux for entering the different evaporators, specially:
It controls the distributing valve and is switched to second state, the refrigerator evaporator is not passed through to adjust refrigerant;
Or the control distributing valve is switched to the first state, and the refrigerator evaporator is flowed through to adjust refrigerant.
9. a kind of refrigerator, which is characterized in that including compressor, evaporator, distributing valve, storage unit, processing unit and be stored in In the storage unit and the computer program that can be run on the processing unit, the processing unit execute the computer The step of control method such as refrigerator described in any item of the claim 1 to 8 is realized when program, the quantity of the evaporator is extremely Two few, the distributing valve is used to distribute the cold medium flux into the different evaporators.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium Program realizes the control such as refrigerator described in any item of the claim 1 to 8 when the computer program is executed by processing unit The step of method.
CN201810640606.XA 2018-06-20 2018-06-20 Refrigerator control method, refrigerator and computer-readable storage medium Active CN108800750B (en)

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CN101535745A (en) * 2006-11-09 2009-09-16 Lg电子株式会社 Apparatus for refrigeration cycle and refrigerator
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