CN107388691B - The control method and system of wind cooling refrigerator, freezing chamber humidification - Google Patents

The control method and system of wind cooling refrigerator, freezing chamber humidification Download PDF

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Publication number
CN107388691B
CN107388691B CN201710812124.3A CN201710812124A CN107388691B CN 107388691 B CN107388691 B CN 107388691B CN 201710812124 A CN201710812124 A CN 201710812124A CN 107388691 B CN107388691 B CN 107388691B
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China
Prior art keywords
module
freezing chamber
air duct
control
chamber
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CN201710812124.3A
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Chinese (zh)
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CN107388691A (en
Inventor
李闹
史慧新
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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
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Priority to CN201710812124.3A priority Critical patent/CN107388691B/en
Publication of CN107388691A publication Critical patent/CN107388691A/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
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • 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
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • F25D21/08Removing frost by electric heating
    • 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
    • F25D29/003Arrangement or mounting of control or safety devices for movable 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/06Controlling according to a predetermined profile

Abstract

The invention discloses control methods and system that a kind of wind cooling refrigerator, freezing chamber humidify, wherein, the wind cooling refrigerator includes: the first air duct module, and for the return air gas part of refrigerating chamber to be introduced freezing chamber, another part introduces the evaporator compartment for being set to the freezing chamber rear;Power plant module, for driving the return air gas of the refrigerating chamber to enter the freezing chamber;Second air duct module, for the gas in the evaporator compartment to be introduced the refrigerating chamber;Air duct control module is used to open or closes second air duct module.Wind cooling refrigerator proposed by the present invention, the control method of freezing chamber humidification and system can not only be such that freezing chamber and refrigerating chamber is within the scope of suitable temperature, but also the humidity of freezing chamber can be improved in the case where not wasting power consumption.

Description

The control method and system of wind cooling refrigerator, freezing chamber humidification
Technical field
The present invention relates to wind cooling refrigerator technical field more particularly to the control methods of a kind of wind cooling refrigerator, freezing chamber humidification And system.
Background technique
The height of refrigerator compartment humidity will affect the speed of food moisture evaporation to influence food quality, if humidity mistake Low, food water evaporation is fast, causes food weight to lose, will cause food shrinkage, wilting etc..For wind cooling refrigerator, by It is to provide cold wind to compartment by air duct to freeze in it, indoor moisture loss is fast, and the food fresh-keeping phase is shorter.
Because refrigerating chamber is usually used in storing vegetables and fruits, and the moisture of vegetables and fruits has a significant impact to mouthfeel, so current product It is focused on mostly to chill box damping, food is fresh-keeping seldom in concern freezing chamber.In fact, the humidity of freezing chamber is small, when long Between be stored in the indoor meat of freezing and be easy hair shaft, fresh-keeping effect is poor.
Summary of the invention
The main purpose of the present invention is to provide control methods and system that a kind of wind cooling refrigerator, freezing chamber humidify, it is intended to Solve the small technical problem of the humidity of existing wind cooling refrigerator freezing chamber.
To achieve the above object, wind cooling refrigerator provided by the invention includes:
First air duct module, for the return air gas part of refrigerating chamber to be introduced freezing chamber, another part introducing is set to The evaporator compartment at the freezing chamber rear;
Power plant module, for driving the return air gas of the refrigerating chamber to enter the freezing chamber;
Second air duct module, for the gas in the evaporator compartment to be introduced the refrigerating chamber;
Air duct control module is used to open or closes second air duct module.
Preferably, first air duct module includes the return airway of refrigerating chamber, and the return airway connects the refrigeration Room and the evaporator compartment are provided with the air channel branch road being connected to the freezing chamber on the return airway.
Preferably, the power plant module is the blower being set in the air channel branch road.
Preferably, second air duct module includes the wind inlet channel of refrigerating chamber, and the wind inlet channel connects the refrigeration Room and the evaporator compartment.
Preferably, the air duct control module is the air door being set on the wind inlet channel.
To achieve the above object, the present invention also provides a kind of control methods of freezing chamber humidification, for such as any of the above-described The wind cooling refrigerator, the control method that the freezing chamber humidifies include:
Obtain the operating status of compressor;
When the compressor is in the open state, the air duct control module and the power plant module are closed;
When the compressor is in shutdown status, the air duct control module and the power plant module are opened.
Preferably, described when the compressor is in shutdown status, open the air duct control module and the power The step of module includes:
When the compressor is in shutdown status, the temperature of the refrigerating chamber is obtained;
Judge whether the temperature of the refrigerating chamber is greater than preset temperature;
If so, opening the air duct control module and the power plant module;
If it is not, then closing the air duct control module and the power plant module.
Preferably, the unlatching air duct control module and the step of the power plant module after further include:
When wind cooling refrigerator enters evaporator defrost pattern, controls the air duct control module and the power plant module closes It closes.
Preferably, the wind cooling refrigerator further includes the heating tube being set on the evaporator, the freezing chamber humidification Control method includes:
When the heating tube is opened, determine that wind cooling refrigerator enters evaporator defrost pattern.
Preferably, the control method of the freezing chamber humidification further include:
According to the temperature of the freezing chamber, opening or closing for the compressor is controlled.
To achieve the above object, the present invention also provides a kind of control systems of freezing chamber humidification, for such as any of the above-described The wind cooling refrigerator, the control system that the freezing chamber humidifies include:
Compressor state acquisition module, for obtaining the operating status of compressor;
Main control module closes the air duct control module and described for when the compressor is in the open state Power plant module;
The main control module is also used to open the air duct control module when the compressor is in shutdown status With the power plant module.
Preferably, the main control module includes:
Temperature of refrigerating chamber acquiring unit, for obtaining the temperature of the refrigerating chamber when the compressor is in shutdown status Degree;
Judging unit, for judging whether the temperature of the refrigerating chamber is greater than preset temperature;
If so, opening the air duct control module and the power plant module;
If it is not, then closing the air duct control module and the power plant module.
Preferably, the main control module is also used to control the wind when wind cooling refrigerator enters evaporator defrost pattern Road control module and the power plant module are closed.
Preferably, the wind cooling refrigerator further includes the heating tube being set on the evaporator, the freezing chamber humidification Control system further include:
Defrost pattern determination module, for determining that wind cooling refrigerator enters evaporator defrost mould when the heating tube is opened Formula.
Preferably, the control system of the freezing chamber humidification further include:
Compressor control module controls opening or closing for the compressor for the temperature according to the freezing chamber.
In technical solution proposed by the present invention, the gas of refrigerating chamber passes through the first air duct module under the action of power plant module Part enters freezing chamber, due to this portion gas and freezes indoor air with biggish temperature difference, will produce when the two is met Raw condensation solves the phenomenon of meat hair shaft so as to improve the humidity of freezing chamber, improves fresh-keeping effect;In addition, the second air duct Air duct control module is provided in module, evaporator compartment is set to freezing chamber rear, and the gas of refrigerating chamber passes through the first air duct Module section, which enters after evaporator compartment carries out cooling, to be flowed through in the second air duct module arrival refrigerating chamber to realize to refrigerating chamber Refrigeration, at this point, air duct control module is in the open state.
It is understood that illustrating to need to provide cooling capacity for freezing chamber when compressor is in the open state, at this point, will Air duct control module is closed, and circulates air-flow between freezing chamber and evaporator compartment, to quickly make freezing chamber Temperature be reduced to set temperature.And negative pressure state is in when air duct control module is closed, in case, power plant module can not extract The gas of refrigerating chamber return air inlet is also unfavorable for improving the humidity of freezing chamber, and will increase power consumption if turning on the power module, Therefore when compressor is in the open state, power plant module and air duct control module are closed, when compressor is in shutdown status When, power plant module and air duct control module are opened, freezing chamber and refrigerating chamber can not only be within the scope of suitable temperature, but also The humidity of freezing chamber can be improved in the case where not wasting power consumption.
Detailed description of the invention
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 technical 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 flow diagram of the control method first embodiment of freezing chamber of the present invention humidification;
Fig. 2 is the modular structure schematic diagram of the wind cooling refrigerator of one embodiment of the invention;
Fig. 3 is the positive structure schematic of the wind cooling refrigerator of one embodiment of the invention;
Fig. 4 is the vertical section side view of wind cooling refrigerator shown in Fig. 3;
In the control method second embodiment that Fig. 5 humidifies for freezing chamber of the present invention when compressor is in shutdown status, open Open the refinement flow diagram of air door and blower step;
Fig. 6 is the flow diagram of the control method 3rd embodiment of freezing chamber of the present invention humidification;
Fig. 7 is the functional block diagram of the control system first embodiment of freezing chamber of the present invention humidification;
Fig. 8 is that the refinement functional module of main control module in the control system second embodiment of freezing chamber of the present invention humidification is shown It is intended to.
Drawing reference numeral explanation:
Label Title Label Title
1 Refrigerating chamber 3 Evaporator compartment
11 Return airway 4 Evaporator
111 Air channel branch road 5 Partition
112 Blower 6 First air duct module
113 Air outlet 7 Power plant module
12 Wind inlet channel 8 Second air duct module
2 Freezing chamber 9 Air duct control module
21 Side wall
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 embodiment
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 description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making 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 in relative positional relationship, the 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 Its relative importance of indication or suggestion or the quantity for implicitly indicating 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, be also possible to Electrical connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary 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.
It 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 Based on logical technical staff can be realized, it 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 scope within.
Fig. 1 to Fig. 4 is please referred to, Fig. 1 is the control method for the freezing chamber humidification that first embodiment of the invention proposes, Fig. 2 is The modular structure schematic diagram of the wind cooling refrigerator of one embodiment of the invention, Fig. 3 and Fig. 4 are the wind cooling refrigerator of one embodiment of the invention Structural schematic diagram, the wind cooling refrigerator of Fig. 2 to Fig. 4 can be used for realizing the control method of the freezing chamber humidification of Fig. 1.
Referring to figure 2., wind cooling refrigerator includes:
First air duct module 6, for the return air gas part of refrigerating chamber 1 to be introduced freezing chamber 2, another part introduces setting Evaporator compartment 3 in 2 rear of freezing chamber;
Power plant module 7, for driving the return air gas of refrigerating chamber 1 to enter freezing chamber 2;
Second air duct module 8, for the gas in evaporator compartment 3 to be introduced refrigerating chamber 1;
Air duct control module 9 is used to open or closes the second air duct module 8.
The gas of refrigerating chamber 1 enters freezing chamber 2 by 6 part of the first air duct module under the action of power plant module 7, due to Air in this portion gas and freezing chamber 2 has biggish temperature difference, condensation will be generated when the two is met, so as to improve The humidity of freezing chamber 2 solves the phenomenon of meat hair shaft, improves fresh-keeping effect;In addition, being provided with air duct in the second air duct module 8 Control module 9, evaporator compartment 3 are set to 2 rear of freezing chamber, and the gas of refrigerating chamber 1 is entered by 6 part of the first air duct module Evaporator compartment 3 flows through in the second air duct module 8 arrival refrigerating chamber 1 after carrying out cooling to realize the refrigeration to refrigerating chamber 1, this When, air duct control module 9 is in the open state.
Specifically, referring to figure 3. and Fig. 4, the first air duct module 6 includes the return airway 11 of refrigerating chamber 1, return airway 11 Refrigerating chamber 1 and evaporator compartment 3 are connected, is provided with the air channel branch road 111 being connected to freezing chamber 2 on return airway 11.Power mould Block 7 is the blower 112 being set in air channel branch road 111.The gas of refrigerating chamber 1 passes through air channel branch road under the action of blower 112 111 enter freezing chamber 2, since the air in this portion gas and freezing chamber 2 has biggish temperature difference, will produce when the two is met Raw condensation solves the phenomenon of meat hair shaft so as to improve the humidity of freezing chamber 2, improves fresh-keeping effect.
Preferably, the second air duct module 8 includes the wind inlet channel 12 of refrigerating chamber 1, and wind inlet channel 12 connects refrigerating chamber 1 and steams Send out device compartment 3.Air duct control module 9 is the air door being set on wind inlet channel 12.The gas of refrigerating chamber 1 passes through return airway 11 A part, which enters after evaporator compartment 3 carries out cooling, to be flowed through in the arrival refrigerating chamber 1 of wind inlet channel 12 to realize to refrigerating chamber 1 Refrigeration, at this point, air door is in the open state.
Refrigerator further includes door body and the internal cabinet for forming storage space, and door body is pivotably mounted on cabinet to open Or close storage space.With increasing for user's life requirement, storage space is divided into each compartment in different temperatures section, removes Outside freezing chamber 2, common compartment includes refrigerating chamber 1 and temperature-changing chamber.When storage space includes refrigerating chamber 1, according to the life of user Habit living, compared to freezing chamber 2, user is more frequent to the use of refrigerating chamber 1, therefore refrigerating chamber 1 is set on freezing chamber 2 Side bends over food of taking to avoid user.Specifically, refrigerating chamber 1 and freezing chamber 2 are separated by partition 5.When the door body of freezing chamber 2 When opening, extraneous hot-air enters freezing chamber 2, brings certain humidity into therewith, and freezing chamber 2 itself is due to the liter of temperature Height, humidity can also increase.When the door body of freezing chamber 2 is closed, with the reduction of temperature in freezing chamber 2, humidity gradually drops It is low.Above procedure causes the fresh-keeping effect of food to be deteriorated so that the moisture fluctuation of freezing chamber 2 is larger.It is proposed by the present invention air-cooled Refrigerator can humidify for freezing chamber 2, to reduce the moisture fluctuation in freezing chamber 2.
Refrigerating chamber 1 realizes air-cooled circulation loop between the two to right with evaporator compartment 3 especially by following manner Refrigerating chamber 1 freezes.Evaporator 4 and freezing blower are equipped in evaporator compartment 3, freezing blower can be in refrigerating chamber 1, freezing Air-cooled circulation loop is formed between room 2 and evaporator compartment 3, to cool down to refrigerating chamber 1 and freezing chamber 2.Further, In Refrigerating chamber blower is set on 1 return airway 11 of refrigerating chamber, which both can be by opening freezing blower in refrigerating chamber 1 and steaming Form air-cooled circulation loop between hair device compartment 3, can also by open refrigerating chamber blower refrigerating chamber 1 and evaporator compartment 3 it Between form air-cooled circulation loop, it should be noted that open refrigerating chamber blower when, mainly make air-flow in refrigerating chamber 1 and evaporator It being circulated between compartment 3, the low-temperature airflow using 4 place evaporator compartment 3 of evaporator freezes to refrigerating chamber 1, due to Lesser flow enters freezing chamber 2, therefore can reduce and impact to freezing chamber 2.It is stored up when being provided with temperature-changing chamber etc. in wind cooling refrigerator When hiding space, it can be freezed using mode identical with refrigerating chamber 1 to storage spaces such as temperature-changing chambers.
Further, the air outlet 113 of air channel branch road 111 includes setting gradually along the extending direction of air channel branch road 111 Several air ports.Open up multiple air ports, can increase the gas of the higher temperature of refrigerating chamber 1 inlet and distribution it is uniform Property.Specifically, the sectional area in air port is gradually increased towards the direction close to 111 end of air channel branch road, is conducive to uniform outlet air.It is several A air port can also be out of line distribution, so as to increase higher temperature gas swept area, make the wet of freezing chamber 2 Spend moment raising.It is of course also possible to an air port only be arranged, for example air port is elongated strip shaped, setting direction and air channel branch road 111 Extending direction it is consistent, so that the gas of higher temperature is uniformly flowed into freezing chamber 2, it will be understood that using other shapes, The air outlet 113 of size can also play same effect, the air outlet that the circular hole that preferably several diameters are 3~5mm forms 113。
In order to condense the gas of the refrigerating chamber 1 in air duct in advance, air duct is set in the foaming layer of cabinet, thus Guarantee that there is the gas for entering freezing chamber 2 enough temperature to cross with cold air.Specifically, air channel branch road 111 is set to freezing In foaming layer in the side wall 21 or roof of room 2, when in the foaming layer being set in roof, into the gas of freezing chamber 2 Radiation scope is wider, and the condensation generated is spread downwards under self gravitation effect, can rapidly improve the wet of freezing chamber 2 Degree.It is appreciated that partition 5 is the roof of freezing chamber 2 when refrigerating chamber 1 is set to 2 top of freezing chamber.
Further, refrigerator further includes the humidity sensor being set in freezing chamber 2.User can be according to humidity sensor Registration, manually control the opening and closing of blower 112.Humidity sensor and blower 112 can also be electrically connected, work as humidity When the humidity value that sensor measures is less than preset value, blower 112 is opened;When humidity value reaches some setting value, blower 112 is closed It closes.By being controlled automatically blower 112 according to the registration of humidity sensor, it is ensured that the humidity value of freezing chamber 2 is kept In suitable numerical value, to improve the fresh-keeping effect of food.
First embodiment of the invention propose freezing chamber humidification control method include:
Step S100 obtains the operating status of compressor.
Specifically, according to the temperature of freezing chamber 2, opening or closing for compressor is controlled.
Wind cooling refrigerator to use air cooling way to freeze refrigerating chamber 1 between refrigerating chamber 1 and evaporator compartment 3 below For be illustrated, its working principle is that: when the Current Temperatures of refrigerating chamber 1 be higher than setting start-up temperature when, be connected refrigerating chamber 1 Air-cooled circulation loop between evaporator compartment 3, namely the air door on wind inlet channel 12 is opened, to be made to refrigerating chamber 1 It is cold, before freezing to refrigerating chamber 1, first judge whether the temperature of freezing chamber 2 is higher than the start-up temperature of setting, if freezing chamber 2 temperature then starts refrigeration blower 112 lower than the start-up temperature of setting, and opens 1 air door of refrigerating chamber, until the temperature of refrigerating chamber 1 Degree is down to set temperature;If the temperature of freezing chamber 2 is higher than the start-up temperature of setting, refrigerating chamber blower is closed, starts compressor With freezing blower, at this point, air door is in close state, to freeze to freezing chamber 2.
Step S200 closes air duct control module 9 and power plant module 7 when compressor is in the open state;
Step S300 opens air duct control module 9 and power plant module 7 when compressor is in shutdown status.
The preferred air door of air duct control module 9, the preferred blower 112 of power plant module 7, below with air duct control module 9 and power The explanation of the progress scheme of module 7.It is understood that illustrating to need to provide for freezing chamber 2 when compressor is in the open state Cooling capacity circulates air-flow between freezing chamber 2 and evaporator compartment 3 at this point, air door is closed, to quickly make The temperature of freezing chamber 2 is reduced to set temperature.And negative pressure state is in when air door is closed, in case, blower 112 can not extract cold The gas of 1 return air inlet of room is hidden, if opening blower 112, is also unfavorable for improving the humidity of freezing chamber 2, and will increase power consumption, because This closes blower 112 and air door, when compressor is in the open state when compressor is in shutdown status, by blower 112 And door opening, freezing chamber 2 and refrigerating chamber 1 can not only be within the scope of suitable temperature, but also power consumption can not wasted In the case where improve freezing chamber 2 humidity.
It further, is the second embodiment of the control method of freezing chamber of the present invention humidification, above-mentioned first referring to Fig. 5 On the basis of embodiment, step S300 opens air duct control module 9 and power plant module 7 wraps when compressor is in shutdown status It includes:
Step S310 obtains the temperature of refrigerating chamber 1 when compressor is in shutdown status.
Specifically, when compressor is in shutdown status, illustrate that the temperature of freezing chamber 2 is down within set temperature, at this point, It needs to determine whether to provide cooling capacity to refrigerating chamber 1, namely judges whether the temperature of refrigerating chamber 1 is higher than the start-up temperature of setting.
Step S320, judges whether the temperature of refrigerating chamber 1 is greater than preset temperature;
If so, thening follow the steps S321, air duct control module 9 and power plant module 7 are opened;
If it is not, thening follow the steps S322, air duct control module 9 and power plant module 7 are closed.
When 1 temperature of refrigerating chamber is greater than preset temperature, air duct control module 9 and power plant module 7 are opened, it on the one hand can be Air-cooled circulation loop is formed between refrigerating chamber 1 and evaporator compartment 3 to freeze for refrigerating chamber 1, on the other hand can will be refrigerated The gas of 1 return air inlet higher temperature of room introduces freezing chamber 2, to form condensation as the humidification of freezing chamber 2.
When 1 temperature of refrigerating chamber is not more than preset temperature, illustrate not needing to freeze for refrigerating chamber 1, at this point, air door is closed, To reduce the fluctuation of temperature in refrigerating chamber 1 and freezing chamber 2.When air door is closed, it is in negative pressure state in case, blower 112 can not The gas for extracting 1 return air inlet of refrigerating chamber, at this point, blower 112 is closed, it is possible to reduce power consumption and the extra unlatching of blower 112 Number.
It further, is the 3rd embodiment of the control method of freezing chamber of the present invention humidification, above-mentioned first referring to Fig. 6 Or on the basis of second embodiment, open air duct control module 9 and the step of power plant module 7 after further include:
Step S400 controls air duct control module 9 and power plant module 7 when wind cooling refrigerator enters 4 defrost pattern of evaporator It closes.
Specifically, it is equipped with heating tube, at evaporator 4 controllably to heat defrost to evaporator 4.It is preset when meeting When defrost condition, control system starts heating tube.When heating tube starting, determine that wind cooling refrigerator enters 4 defrost pattern of evaporator.
When wind cooling refrigerator enters 4 defrost pattern of evaporator, the temperature of evaporator compartment 3 is steeply risen, at this time in order to keep away Exempt from hot wind and enter refrigerating chamber 1, freezing chamber 2, refrigerating chamber 1 and the temperature of freezing chamber 2 is caused to drastically reduce, controls air duct control module 9 and power plant module 7 close, allow the heat of heating tube to concentrate in evaporator compartment 3.
Referring to Fig. 7, for the first embodiment of the control system of freezing chamber of the present invention humidification, which is applied to such as Fig. 2 extremely The wind cooling refrigerator of Fig. 4, system include:
Compressor state acquisition module 100, for obtaining the operating status of compressor.
Specifically, the control system of freezing chamber humidification further include: compressor control module, for the temperature according to freezing chamber 2 Degree, controls opening or closing for compressor.
Wind cooling refrigerator to use air cooling way to freeze refrigerating chamber 1 between refrigerating chamber 1 and evaporator compartment 3 below For be illustrated, its working principle is that: when the Current Temperatures of refrigerating chamber 1 be higher than setting start-up temperature when, be connected refrigerating chamber 1 Air-cooled circulation loop between evaporator compartment 3, namely the air door on wind inlet channel 12 is opened, to be made to refrigerating chamber 1 It is cold, before freezing to refrigerating chamber 1, first judge whether the temperature of freezing chamber 2 is higher than the start-up temperature of setting, if freezing chamber 2 temperature then starts refrigeration blower 112 lower than the start-up temperature of setting, and opens 1 air door of refrigerating chamber, until the temperature of refrigerating chamber 1 Degree is down to set temperature;If the temperature of freezing chamber 2 is higher than the start-up temperature of setting, refrigerating chamber blower is closed, starts compressor With freezing blower, at this point, air door is in close state, to freeze to freezing chamber 2.
Main control module 200, for closing air duct control module 9 and power plant module when compressor is in the open state 7;
Main control module 200 is also used to when compressor is in shutdown status, opens air duct control module 9 and power mould Block 7.
It is understood that illustrating to need to provide cooling capacity for freezing chamber 2 when compressor is in the open state, at this point, will Air door is closed, and circulates air-flow between freezing chamber 2 and evaporator compartment 3, to quickly make the temperature of freezing chamber 2 It is reduced to set temperature.And negative pressure state is in when air door is closed, in case, blower 112 can not extract 1 return air inlet of refrigerating chamber Gas is also unfavorable for improving the humidity of freezing chamber 2, and will increase power consumption, therefore at compressor if opening blower 112 When open state, blower 112 and air door are closed, when compressor is in shutdown status, by blower 112 and door opening, Freezing chamber 2 and refrigerating chamber 1 can not only be within the scope of suitable temperature, but also can have been improved in the case where not wasting power consumption The humidity of freezing chamber 2.
Further, the present invention is based on for the second embodiment of the control system of freezing chamber of the present invention humidification referring to Fig. 8 The first embodiment of the control system of freezing chamber humidification, main control module 200 include:
Temperature of refrigerating chamber acquiring unit 201, for obtaining the temperature of refrigerating chamber 1 when compressor is in shutdown status.
Specifically, when compressor is in shutdown status, illustrate that the temperature of freezing chamber 2 is down within set temperature, at this point, It needs to determine whether to provide cooling capacity to refrigerating chamber 1, namely judges whether the temperature of refrigerating chamber 1 is higher than the start-up temperature of setting.
Judging unit 202, for judging whether the temperature of refrigerating chamber 1 is greater than preset temperature;
If so, opening air duct control module 9 and power plant module 7;
If it is not, then closing air duct control module 9 and power plant module 7.
When 1 temperature of refrigerating chamber is greater than preset temperature, air duct control module 9 and power plant module 7 are opened, it on the one hand can be Air-cooled circulation loop is formed between refrigerating chamber 1 and evaporator compartment 3 to freeze for refrigerating chamber 1, on the other hand can will be refrigerated The gas of 1 return air inlet higher temperature of room introduces freezing chamber 2, to form condensation as the humidification of freezing chamber 2.
When 1 temperature of refrigerating chamber is not more than preset temperature, illustrate not needing to freeze for refrigerating chamber 1, at this point, air door is closed, To reduce the fluctuation of temperature in refrigerating chamber 1 and freezing chamber 2.When air door is closed, it is in negative pressure state in case, blower 112 can not The gas for extracting 1 return air inlet of refrigerating chamber, at this point, blower 112 is closed, it is possible to reduce power consumption and the extra unlatching of blower 112 Number.
Further, main control module 200 is also used to when wind cooling refrigerator enters 4 defrost pattern of evaporator, controls air duct Control module 9 and power plant module 7 are closed.
Specifically, it is equipped with heating tube, at evaporator 4 controllably to heat defrost to evaporator 4.It is preset when meeting When defrost condition, control system starts heating tube.
The control system of freezing chamber humidification further include: defrost pattern determination module, for determining wind when heating tube is opened Cold refrigerator enters 4 defrost pattern of evaporator.
When wind cooling refrigerator enters 4 defrost pattern of evaporator, the temperature of evaporator compartment 3 is steeply risen, at this time in order to keep away Exempt from hot wind and enter refrigerating chamber 1, freezing chamber 2, refrigerating chamber 1 and the temperature of freezing chamber 2 is caused to drastically reduce, controls air duct control module 9 and power plant module 7 close, allow the heat of heating tube to concentrate in evaporator compartment 3.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly He is included in scope of patent protection of the invention relevant technical field.

Claims (15)

1. a kind of wind cooling refrigerator characterized by comprising
First air duct module, for the return air gas part of refrigerating chamber to be introduced freezing chamber, another part introducing is set to described The evaporator compartment at freezing chamber rear;
Power plant module, for driving the return air gas of the refrigerating chamber to enter the freezing chamber;
Second air duct module, for the gas in the evaporator compartment to be introduced the refrigerating chamber;
Air duct control module is used to open or closes second air duct module.
2. wind cooling refrigerator as described in claim 1, which is characterized in that first air duct module includes the return air wind of refrigerating chamber Road, the return airway connect the refrigerating chamber and the evaporator compartment, are provided with and the freezing on the return airway The air channel branch road of room connection.
3. wind cooling refrigerator as claimed in claim 2, which is characterized in that the power plant module is to be set in the air channel branch road Blower.
4. wind cooling refrigerator as described in any one of claims 1-3, which is characterized in that second air duct module includes refrigerating chamber Wind inlet channel, the wind inlet channel connects the refrigerating chamber and the evaporator compartment.
5. wind cooling refrigerator as claimed in claim 4, which is characterized in that the air duct control module is to be set to the air inlet wind Air door on road.
6. a kind of control method of freezing chamber humidification, is used for wind cooling refrigerator as described in any one in claim 1-5, feature exists In the control method of the freezing chamber humidification includes:
Obtain the operating status of compressor;
When the compressor is in the open state, the air duct control module and the power plant module are closed;
When the compressor is in shutdown status, the air duct control module and the power plant module are opened.
7. the control method of freezing chamber humidification as claimed in claim 6, which is characterized in that described to stop when the compressor is in When machine state, the step of opening the air duct control module and the power plant module, includes:
When the compressor is in shutdown status, the temperature of the refrigerating chamber is obtained;
Judge whether the temperature of the refrigerating chamber is greater than preset temperature;
If so, opening the air duct control module and the power plant module;
If it is not, then closing the air duct control module and the power plant module.
8. the control method of freezing chamber humidification as claimed in claims 6 or 7, which is characterized in that described to open the air duct control After the step of molding block and the power plant module further include:
When wind cooling refrigerator enters evaporator defrost pattern, controls the air duct control module and the power plant module is closed.
9. the control method of freezing chamber humidification as claimed in claim 8, which is characterized in that the wind cooling refrigerator further includes setting Heating tube on the evaporator, the control method that the freezing chamber humidifies include:
When the heating tube is opened, determine that wind cooling refrigerator enters evaporator defrost pattern.
10. the control method of freezing chamber humidification as claimed in claims 6 or 7, which is characterized in that the control of the freezing chamber humidification Method processed further include:
According to the temperature of the freezing chamber, opening or closing for the compressor is controlled.
11. a kind of control system of freezing chamber humidification, is used for wind cooling refrigerator as described in any one in claim 1-5, feature It is, the control system of the freezing chamber humidification includes:
Compressor state acquisition module, for obtaining the operating status of compressor;
Main control module, for closing the air duct control module and the power when the compressor is in the open state Module;
The main control module is also used to open the air duct control module and institute when the compressor is in shutdown status State power plant module.
12. the control system of freezing chamber as claimed in claim 11 humidification, which is characterized in that the main control module includes:
Temperature of refrigerating chamber acquiring unit, for obtaining the temperature of the refrigerating chamber when the compressor is in shutdown status;
Judging unit, for judging whether the temperature of the refrigerating chamber is greater than preset temperature;
If so, opening the air duct control module and the power plant module;
If it is not, then closing the air duct control module and the power plant module.
13. the control system that the freezing chamber as described in claim 11 or 12 humidifies, which is characterized in that the main control module is also It is closed for when wind cooling refrigerator enters evaporator defrost pattern, controlling the air duct control module and the power plant module.
14. the control system of freezing chamber humidification as claimed in claim 13, which is characterized in that the wind cooling refrigerator further includes setting The heating tube being placed on the evaporator, the control system of the freezing chamber humidification further include:
Defrost pattern determination module, for determining that wind cooling refrigerator enters evaporator defrost pattern when the heating tube is opened.
15. the control system that the freezing chamber as described in claim 11 or 12 humidifies, which is characterized in that the freezing chamber humidification Control system further include:
Compressor control module controls opening or closing for the compressor for the temperature according to the freezing chamber.
CN201710812124.3A 2017-09-11 2017-09-11 The control method and system of wind cooling refrigerator, freezing chamber humidification Active CN107388691B (en)

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CN109839966A (en) * 2017-11-27 2019-06-04 博西华电器(江苏)有限公司 A kind of humidity control system and humidity control method for refrigeration equipment
CN109883113A (en) * 2019-03-21 2019-06-14 合肥华凌股份有限公司 Humidifying controlling method, control system and refrigeration equipment
CN109931740A (en) * 2019-03-21 2019-06-25 合肥华凌股份有限公司 Humidifying controlling method, control system and refrigerator
CN111197900A (en) * 2020-03-10 2020-05-26 合肥华凌股份有限公司 Refrigeration equipment and control method and device thereof

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CN1063755A (en) * 1991-02-01 1992-08-19 何宝安 Air-conditioner for cold-storage and freezing boxes
JPH09119730A (en) * 1995-10-24 1997-05-06 Ryoju Koorudo Chain Kk Two-chamber cooler
CN202002426U (en) * 2011-03-31 2011-10-05 合肥美的荣事达电冰箱有限公司 Refrigerator
CN102980344B (en) * 2012-12-28 2014-12-17 合肥美的电冰箱有限公司 Refrigerator
CN105466104B (en) * 2015-12-16 2019-05-03 青岛海尔股份有限公司 Wind cooling refrigerator
CN205561383U (en) * 2016-02-01 2016-09-07 合肥华凌股份有限公司 Refrigerator

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