CN115060039A - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
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- CN115060039A CN115060039A CN202210825246.7A CN202210825246A CN115060039A CN 115060039 A CN115060039 A CN 115060039A CN 202210825246 A CN202210825246 A CN 202210825246A CN 115060039 A CN115060039 A CN 115060039A
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- warm
- air
- chamber
- compressor
- refrigerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a refrigerator, which comprises a compressor chamber, a warm storage air channel, a fresh air structure, a compressor, a condenser and an electromagnetic valve, wherein the warm storage air channel is communicated with the warm storage chamber through an air supply outlet, the fresh air structure is arranged on the side wall of the warm storage chamber and is used for communicating the warm storage chamber with the outside, the compressor is arranged in the compressor chamber, the condenser is connected with the compressor, and the electromagnetic valve is connected with the condenser. The invention fully utilizes the heat of the outdoor environment temperature, determines the temperature control mode of the warm keeping chamber according to the real-time temperature and the preset temperature of the warm keeping chamber, the external environment temperature of the refrigerator and the working state of the compressor, and meets the warm keeping requirement of food with high temperature requirement.
Description
Technical Field
The invention belongs to the technical field of household refrigerators, and particularly relates to a refrigerator.
Background
At present, in a refrigeration system of a refrigerator, a compressor is connected with a condenser to output high-temperature and high-pressure gas, and the high temperature is redundant to the refrigeration system of the refrigerator and is generally consumed in a mode of enhancing heat transfer so as to be beneficial to the refrigeration system. The traditional household refrigerator only utilizes the refrigeration function of the refrigeration system to cool and preserve the object in the freezing or refrigerating chamber, the utilization of the heating function of the refrigeration system is less, the heat generated by condensation in the refrigeration system of the refrigerator is not fully utilized, and the energy waste is caused.
The invention is provided in view of the above.
Disclosure of Invention
The invention provides a refrigerator aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
a refrigerator, comprising:
the warm keeping chamber is internally provided with a warm keeping air channel communicated with the warm keeping chamber through an air supply outlet, and a warm keeping fan is arranged in the warm keeping air channel;
the fresh air structure is arranged on the side wall of the warm keeping chamber and is used for communicating the warm keeping chamber with the outside;
a compressor chamber in which a compressor is disposed;
the condenser is connected with the compressor and arranged near the warm air storage duct or the air inlet of the warm air storage duct;
the electromagnetic valve is arranged between the compressor and the condenser and used for controlling the working state of the condenser;
the controller is configured to:
when the external environment temperature meets a first preset temperature condition, the electromagnetic valve is controlled to be closed, the condenser is in short circuit, the warm storage fan is opened, the fresh air structure is kept to be opened, and the fresh air heat compensation mode is started, so that outdoor air enters the warm storage chamber through the fresh air structure and is mixed with gas in the warm storage chamber, and the temperature of the warm storage chamber reaches a preset temperature.
The first preset temperature condition refers to whether the external environment temperature is greater than a preset temperature first constant value of the warm keeping room, and the constant value may be set to a value greater than 6.
As an implementable manner, when the current temperature of the warm keeping chamber meets a second preset temperature condition, the warm keeping fan is turned on, and the refrigerator starts a thermal compensation mode, wherein the thermal compensation mode comprises a new thermal compensation mode and/or a condenser thermal compensation mode.
The second preset temperature condition means that the difference between the current temperature of the warm keeping chamber and the preset temperature of the warm keeping chamber is larger than a second fixed value, and the temperature of the warm keeping chamber is judged to be too low and needs to be increased in an assisted manner.
As an implementable mode, when the external environment temperature does not meet the first temperature preset condition, the condenser thermal compensation mode is started, the control electromagnetic valve is opened, the fresh air structure is closed, the warm-storage fan is opened, the compressor runs, and the gas in the compressor chamber sequentially passes through the condenser and the air supply outlet to enter the warm-storage chamber and is mixed with the gas in the warm-storage chamber so that the temperature of the warm-storage chamber reaches the preset temperature.
As an implementation mode, when the external environment temperature meets a first preset temperature condition and the current temperature of the warm keeping chamber meets a second preset temperature condition, the controller keeps the electromagnetic valve open, the condenser operates, the warm keeping fan is opened, the gas in the compressor bin sequentially enters the warm keeping chamber through the condenser and the air supply outlet, and meanwhile, the controller controls the fresh air structure to be opened, so that the outdoor air enters the warm keeping chamber through the fresh air structure.
As an implementable manner, when the external environment temperature does not meet the first preset temperature condition and the refrigerator is in the defrosting mode, the electromagnetic valve is kept closed, the condenser is short-circuited, the fresh air structure is closed, the compressor operates at the first preset compressor frequency, the warm air storage fan operates, and the gas in the compressor chamber enters the warm storage chamber through the warm air storage duct.
As an implementable mode, the refrigerator further comprises a freezing chamber, a freezing fan which is arranged in the freezing chamber and communicated with the warm storage air channel, a refrigerating chamber and a refrigerating fan which is arranged in the refrigerating chamber and communicated with the warm storage air channel, when the external environment temperature does not meet a first preset temperature condition and the refrigerator is in a first working mode, the compressor runs at a second preset compressor frequency, the refrigerating fan is closed, the freezing fan is closed, the electromagnetic valve is opened, the warm storage fan runs, and gas in the compressor chamber enters the warm storage chamber through the warm storage air channel.
As an implementable manner, when the external environment temperature does not satisfy the first preset temperature condition and the refrigerator is in the second working mode, the compressor works at the preset frequency and runs at the preset periodic interval, the electromagnetic valve is opened, and the warm-storage fan is opened, so that the temperature change of the warm-storage chamber and the temperature change of the refrigerating chamber are synchronous.
As an implementable mode, the warm storage chamber is limited by the warm storage inner container, the rear wall of the warm storage inner container is provided with an air duct cover plate, and the air duct cover plate and the rear wall of the warm storage inner container jointly limit the warm storage air duct.
As a practicable mode, be formed with the new trend mouth on the backplate of refrigerator, the wind channel is lapped to go up to correspond new trend structure and is provided with wind channel and laps the vent, and the new trend structure includes:
a first ventilation portion which communicates with the fresh air opening;
the second ventilation portion is connected with the first ventilation portion and located on one side, far away from the fresh air opening, of the first ventilation portion, one side of the second ventilation portion is communicated with the first ventilation portion, the other side of the second ventilation portion is communicated with the warm air storage duct through a ventilation opening of the air duct cover plate, and the cross-sectional area of the second ventilation portion is larger than that of the first ventilation portion.
As an implementation mode, a filter valve is arranged in the fresh air structure, activated carbon is placed in the filter valve, outdoor air enters the fresh air structure, and enters the warm storage chamber after being filtered by the activated carbon.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a refrigerator, which comprises a compressor chamber, a warm storage air channel, a fresh air structure, a compressor, a condenser and an electromagnetic valve, wherein the warm storage air channel is communicated with the warm storage chamber through an air supply opening 81, the fresh air structure is arranged on the side wall of the warm storage chamber and is used for communicating the warm storage chamber with the outside, the compressor is arranged in the compressor chamber, the condenser is connected with the compressor, and the electromagnetic valve is connected with the condenser. The invention fully utilizes the heat of outdoor environment temperature and the heat generated by condensation in the refrigerating system, determines the temperature control mode of the warm keeping chamber according to the real-time temperature and the preset temperature of the warm keeping chamber, the external environment temperature of the refrigerator and the working state of the compressor, so as to meet the warm keeping requirement of food with high temperature requirement, increase the temperature coverage area range of the refrigerator, meet the diversified storage requirement of users and facilitate the rapid unfreezing of the users.
Drawings
FIG. 1 is a schematic view of the overall structure of a refrigerator according to the present invention;
FIG. 2 is a schematic view of the overall structure of the refrigerating system of the refrigerator according to the present invention;
FIG. 3 is a partial schematic view of the refrigerator of the present invention;
FIG. 4 is a partial exploded view of the refrigerator of the present invention;
FIG. 5 is a schematic structural view of a warm compartment of the refrigerator according to the present invention;
fig. 6 is a partial sectional view of the refrigerator of the present invention;
FIG. 7 is an enlarged view of A in FIG. 6;
FIG. 8 is an assembly view of the warm air storage duct and the rear panel of the refrigerator in accordance with the present invention;
FIG. 9 is a first schematic structural view of a warm-air storage duct according to the present invention;
FIG. 10 is a second schematic structural view of the warm-air storage duct according to the present invention;
FIG. 11 is a sectional view of a warm storage air duct according to the present invention;
FIG. 12 is a flowchart of a refrigerator control method according to the present invention;
in the above figures:
a refrigerating chamber 1; a freezing chamber 2; a warm keeping chamber 3; a warm-keeping inner container 30; a compressor compartment 4; a warm air storage duct 8;
an air supply port 81; a condenser 9; a refrigerating evaporator 11; a freezing evaporator 21;
a refrigerated capillary 13; a cryocapillary 14; an air return opening 17; a solenoid valve 18;
a first vent 191; a second ventilation portion 192; a master electromagnetic valve 19;
a warm-keeping drawer 7; an air duct cover plate 23; a ventilation grille 24; a back plate 25.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the scope of the present invention as claimed is not limited to the scope described in the specific embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
A refrigerator, as shown in figure 1, comprises a refrigerating chamber 1, a freezing chamber 2, a warm keeping chamber 3, etc. to satisfy different refrigerating demands such as freezing, refrigerating and warm keeping according to different food types and store; the refrigerating chamber 1, the freezing chamber 2 and the warm storage chamber 3 are sequentially limited by a refrigerating inner container, a freezing inner container and a warm storage inner container 30. In this embodiment, the refrigerating chamber 1 is disposed above the freezing chamber 2, the warm keeping chamber 3 is disposed between the refrigerating chamber 1 and the freezing chamber 2, and the warm keeping chamber 3 seals the heating module inside the drawer 7 through the surrounding heat insulating material. The positions of refrigerating room 1, freezing room 2, and warm storage room 3 are not limited to the above, and may be adjusted as needed.
It should be noted that the number of the freezing inner container, the refrigerating inner container and the warming inner container 30 can be set to one or two, the number of the specific settings can be adjusted according to the needs and the product requirements, and the arrangement mode can be set up by dividing the arrangement up and down or left and right.
The refrigerator wholly adopts rectangular hollow structure in this application, can understand, and the box of refrigerator also can adopt the hollow shell structure of other shapes.
The refrigerator has a space between the inner wall and the inner container, the space is used for filling a foaming layer, and the foaming layer is used as a heat preservation layer and used for heat insulation of each refrigerating chamber.
Referring to fig. 2, a refrigeration system is arranged in the refrigerator, and the refrigeration system comprises a compressor, a condenser 9 communicated with an outlet of the compressor, a general electromagnetic valve 19 for switching the working state of the refrigeration system, an electromagnetic valve 18 for controlling the working state of the condenser 9, a freezing capillary tube 14 and a refrigerating capillary tube 13, a freezing evaporator 21 and a refrigerating evaporator 11 for providing cold energy for the freezing chamber 2 and the refrigerating chamber 1 respectively, a freezing fan for diffusing the cold energy generated by the freezing evaporator 21 to the freezing chamber 2, and a refrigerating fan for diffusing the cold energy generated by the refrigerating evaporator 11 to the refrigerating chamber 1. Wherein, the refrigeration capillary 13 and the refrigeration evaporator 11 are connected in series to form a refrigeration branch, and the freezing capillary 14 and the freezing evaporator 21 are connected in series to form a freezing branch; the refrigeration branch is connected with the freezing branch in parallel; the compressor, the condenser 9, the main electromagnetic valve 19 and the refrigeration branch are sequentially connected in series to form a loop, and the freezing branch is connected in parallel with two ends of the refrigeration branch; the electromagnetic valve 18 is positioned between the compressor and the condenser 9 and controls whether the condenser 9 performs a heat radiation function; the refrigeration capillary 13 is positioned at one side of the refrigeration evaporator 11 close to the main electromagnetic valve 19; the cryocapillary 14 is located on the side of the cryoevaporator 21 near the main solenoid valve 19. Wherein, the condenser 9 can provide heat for the warm keeping chamber 3; in addition, the refrigeration system includes a warm air blower for diffusing heat generated by the condenser 9 into the warm keeping compartment 3.
It should be noted that the present invention is not limited to the refrigeration system in which the freezing evaporator 21 and the refrigerating evaporator 11 are provided in parallel, and may be provided as a refrigeration system in which the freezing evaporator 21 and the refrigerating evaporator 11 are provided in series.
The refrigerant is discharged through the compressor, and the heat is dissipated through the condenser 9 in the warm keeping chamber 3 by a centralized coil or the condenser 9 adopting other structural forms; the heat of the condenser 9 is sent into the warm keeping chamber 3 by a warm keeping fan. The refrigerant passing through the condenser 9 is returned to the compressor compartment 4 and connected to the refrigerating capillary tube 13 and the freezing capillary tube 14 to refrigerate the corresponding refrigerating compartment 1 or freezing compartment 2.
Referring to fig. 3-5, the top, bottom, left, right and rear side walls of the warm keeping chamber 3 are provided with heat insulation plates made of heat insulation material, so that a heat insulation cavity is formed inside the warm keeping chamber 3, and heat insulation between the warm keeping chambers 3 and the refrigerating chamber 1 and the freezing chamber 2 is realized.
The bottom of the refrigerator is provided with a compressor chamber 4 for accommodating a compressor, and the compressor chamber 4 is communicated with the external environment. The rear wall of the warm storage inner container 30 is provided with an air plate cover plate, the air channel cover plate 23 and the rear wall of the warm storage inner container 30 jointly define a warm storage air channel 8, the warm storage air channel 8 is communicated with the warm storage chamber 3 through an air supply opening 81, and the other end of the warm storage air channel is communicated with the compressor chamber 4, so that hot air is introduced into the warm storage chamber 3, and hot air circulation is realized.
In some embodiments of the present application, referring to fig. 4, a warm keeping drawer 7 is movably disposed in the warm keeping chamber 3, and a thermal insulation board or a foam material is filled on an outer sidewall of the warm keeping drawer 7, so that the warm keeping drawer 7 has functions of thermal insulation and heat preservation.
An air supply opening 81 is formed in the rear side wall of the warm storage inner container 30, and a ventilation grille 24 is arranged in the air supply opening 81. The hot air in the warm air storage duct 8 can enter the warm storage chamber 3 through the air supply opening 81, so that the hot air can enter the warm storage drawer 7, the hot preservation function or the unfreezing function of the articles in the warm storage drawer 7 can be realized, and it needs to be explained that the air supply opening 81 can be arranged at other positions of the warm storage chamber 3 as long as the hot air entering the warm storage chamber 3 is not influenced.
In order to facilitate the hot air to enter the warm-keeping drawer 7 through the air supply opening 81, an opening is formed in the front side of the warm-keeping drawer 7 at a position corresponding to the air supply opening 81.
In some embodiments of the present application, referring to fig. 6 to 8, a fresh air structure is correspondingly disposed on a rear wall of the warm storage chamber 3, and the position of the fresh air structure corresponds to the position of the air supply opening 81, so that the air flow in the fresh air structure can directly enter the warm storage chamber 3 under the negative pressure of the warm storage fan without increasing the air flow circulation path. The fresh air structure is used for communicating the warm storage chamber 3 with the outdoor, and outdoor air enters the warm storage air channel 8 through the fresh air structure and then enters the warm storage chamber 3 through the air supply opening 81. Specifically, one side and the wind channel apron 23 of new trend structure are connected, the opposite side and the backplate 25 of refrigerator of new trend structure are connected, and be provided with wind channel apron 23 ventilation hole on the wind channel apron 23, be provided with the new wind gap on the backplate 25, the new trend structure supply-air outlet 81 and the new wind gap coincidence of new trend structure, the new trend structure air outlet and the coincidence of wind channel apron 23 ventilation hole of new trend structure, so that outdoor wind passes through the new wind gap according to this, new trend structure supply-air outlet 81, the inside wind channel of new trend structure, new trend structure air outlet, wind channel apron 23 vent gets into warm-keeping wind channel 8, and get into warm-keeping room 3 under the warm-keeping fan effect.
In some embodiments of the present application, referring to fig. 9-11, the fresh air structure includes a first vent portion 191 and a second vent portion 192, wherein: the first ventilation part 191 is communicated with a fresh air port; the second ventilation portion 192 is connected with the first ventilation portion 191 and is located one side of the first ventilation portion 191 far away from the fresh air opening, one side of the second ventilation portion 192 is communicated with the first ventilation portion 191, the other side of the second ventilation portion 192 is communicated with the warm air storage duct 8 through a ventilation hole of the air duct cover plate 23, the second ventilation portion 192 is communicated with the first ventilation portion 191 and the warm air storage chamber 3, and the cross-sectional area of the second ventilation portion 192 is larger than that of the first ventilation portion 191. Specifically, the new trend structure sets up to special-shaped neck structure, makes outdoor wind be inhaled in the refrigerator through this structure, and simultaneously, this structure can prevent that warm-keeping chamber 3's hot-blast through this export from discharging fast.
The inside air door that still is equipped with of new trend structure for switching on or blocking of control new trend structure, when external environment temperature is less than preset temperature, is less than when the current warm storeroom 3 temperature even, the air door is closed, makes the ventilation position of new trend structure block, prevents that the gas flow in the warm storeroom 3 from flowing to outdoors.
The warm air storage fan (not shown) is provided in the warm air storage duct 8. A warm air inlet door is arranged at the air inlet of the warm air storage duct 8 to control the opening and closing state of the air inlet; a warm air return door is arranged at the air return opening 17 of the warm air storage duct 8 to control the opening and closing state of the air return opening 17; the temperature of the warm storage chamber 3 is adjusted by controlling the warm storage air inlet door and the warm storage air return door, so that the heat balance of the warm storage chamber is realized. An air filtering unit is arranged at an air supply opening of the warm air storage duct 8 to purify air entering the warm air storage chamber 3 and ensure the air quality. Wherein, the air filtering unit is detachably arranged at the air supply opening. The air filtering unit comprises a filter screen and filtering objects contained in the filter screen; in this embodiment, the filtrate is activated carbon.
In some embodiments of the present application, referring to fig. 6, the condenser 9 is provided in the warm air duct 8 between the duct cover 23 and the rear wall of the warm air inner container 30. In this embodiment, the condenser 9 is provided as a microchannel condenser 9. The warm air storage fan is obliquely arranged in the warm air storage duct 8.
When the warm storage fan works, the warm storage air inlet door and the warm storage air return door are opened, the compressor chamber 4 is communicated with the warm storage air channel 8, and the warm storage air channel 8 is communicated with the warm storage chamber 3; the side of the warm air storage fan, which is close to the air supply port 81 of the warm air storage duct 8, forms negative pressure, outside air enters the compressor chamber 4 to carry heat of the compressor, then enters the warm air storage duct 8 through the air supply port 81, is heated by the condenser 9 in the warm air storage duct 8, and heated air passing through the condenser 9 enters the warm air storage chamber 3 through the air supply port 81 to provide heat for the warm air storage chamber 3; the air flow passing through warm keeping chamber 3 enters compressor compartment 4 through air return opening 17 and then exits compressor compartment 4. Or, the outside air directly enters the warm storage chamber 3 through the air duct inside the fresh air structure and the warm storage air duct 8 under the negative pressure formed by the warm storage fan. When the air flows, the heat of the condenser 9 and the heat of the outside air are fully utilized; moreover, the airflow carries away the heat generated by the compressor when passing through the compressor compartment 4, so that the heat of the compressor is effectively dissipated and fully utilized. Meanwhile, when the air flow directly enters the warm keeping chamber 3 through the fresh air structure, the temperature requirement of the warm keeping chamber 3 under different working modes, particularly under the mode that the condenser 9 does not work, is met without additionally adding a heating module. The arrangement can realize wide temperature change of the warm keeping chamber 3, can heat rapidly, not only can satisfy the requirement of storing articles, but also can rapidly thaw food materials taken out from the low-temperature storage chamber. The arrangement of the invention can maintain the temperature of the warm storage chamber 3 at about 19 ℃, can satisfy the requirement of storing articles and is convenient for heating and unfreezing.
In some embodiments of the present application, the condenser 9 may also be arranged in a spiral on top of the compressor compartment 4. When the warm-keeping fan works, the warm-keeping air inlet door and the warm-keeping air return door are opened, the compressor chamber 4 is communicated with the warm-keeping air channel 8, and the warm-keeping air channel 8 is communicated with the warm-keeping chamber 3; the side of the warm air storage fan, which is close to the air supply port 81 of the warm air storage duct 8, forms negative pressure, and outside air enters the compressor chamber 4, carries heat of the compressor, passes through the condenser 9, passes through the heated air of the condenser 9, enters the warm air storage duct 8 through the air supply port 81, passes through the warm air storage fan and the air supply port 81, and finally enters the warm air storage chamber 3 through the air supply port 81 to provide heat for the warm air storage chamber 3, or directly enters the warm air storage chamber 3 through the fresh air structure and the warm air storage duct 8; the air flow passing through the warm storage chamber 3 enters the compressor chamber 4 through the air return inlet 17 and the warm storage air return pipe and then is discharged out of the compressor chamber 4. When the air flows, the heat of the condenser 9 and the heat of the outside air are fully utilized; and the air current carries away the heat that the compressor produced when passing compressor bin 4, dispels the heat and make full use of compressor's heat effectively to the compressor. Meanwhile, when the air flow directly enters the warm keeping chamber 3 through the fresh air structure, the temperature requirement of the warm keeping chamber 3 under different working modes, particularly under the mode that the condenser 9 does not work, is met without additionally adding a heating module. The arrangement can realize wide temperature change and rapid heating of the warm keeping chamber 3, not only can satisfy article storage, but also can rapidly thaw food materials taken out from the low-temperature storage chamber. The arrangement of the invention can maintain the temperature of the warm storage chamber 3 at about 19 ℃, can satisfy the requirement of storing articles and is convenient for heating and unfreezing.
In some embodiments of the application, the inside filter valve that is provided with of new trend structure, has placed the active carbon in the filter valve, and outdoor wind gets into new trend structure, gets into warm storeroom 3 after the active carbon filters. Specifically, a filter valve capable of being twisted out in a rotating mode is arranged in the ventilation device, and activated carbon is arranged in the filter valve to adsorb impurities in air.
The hot-blast cooperation work that produces through the leading-in external hot-blast and condenser 9 work heating of new trend structure in this application satisfies the demand of warm storeroom 3 internal temperature, make full use of current energy, do not receive refrigerator mode's influence, do not need additionally to utilize tools such as heater strip to carry out the heating of warm storeroom 3, when improving refrigerator function diversification, do not additionally bring too much consumption and increase, improved user satisfaction, the popularization of the product of being convenient for.
In some embodiments of the present application, referring to fig. 12, when the external environment temperature satisfies the first preset temperature condition, the electromagnetic valve 18 is controlled to close, the condenser 9 is short-circuited, the warm air blower is opened, the fresh air structure is kept open, and the fresh air heat compensation mode is entered, so that the outdoor air enters the warm storage chamber 3 through the fresh air structure and is mixed with the air in the warm storage chamber 3 to make the temperature of the warm storage chamber 3 reach the preset temperature.
Specifically, the first preset temperature condition can be said to be that the external ambient temperature is higher than the preset temperature of the warm keeping chamber 3 by a first fixed value, illustratively, the preset temperature is 19 degrees, and the first fixed value is set to be 6 degrees, that is, when the external ambient temperature is higher than 25 degrees, the new thermal compensation mode is started, the warm keeping chamber 3 is adjusted by using the heat of the external air, and the external air can enter the warm keeping chamber 3 to raise the temperature in the warm keeping chamber 3.
It should be noted that the temperature of the warm keeping chamber 3 in the working mode of the warm keeping chamber 3 is not affected by the working state of the compressor, so as to avoid the effect of the working state of the compressor on the temperature of the warm keeping chamber 3 in the defrosting or low temperature state of the refrigerator, reduce partial thermal compensation and save energy consumption.
Through the setting, make full use of external environment temperature makes even under condenser 9 inoperative state, as long as external environment temperature reaches and predetermines the temperature, just can utilize external environment's heat to increase warm storeroom 3 temperature so that it reaches the user's demand, does not need additionally to increase the heating source, has reduced refrigerator hardware work, prolongs the life of refrigerator spare part.
When the external environment temperature is higher than the preset temperature of the warm storage chamber 3 by a certain value, in order to maintain the normal operation of the freezing function of the refrigerator, the refrigeration system of the refrigerator can firstly work for a certain time, and then the temperature of the warm storage chamber 3 is raised by utilizing outdoor air through the fresh air structure.
In some embodiments of the present application, in order to guarantee the temperature requirement of the warm keeping chamber 3 as much as possible, when the current temperature of the warm keeping chamber 3 satisfies the second preset temperature condition, the warm keeping fan is turned on, and the refrigerator starts the thermal compensation mode, wherein the thermal compensation mode includes a new thermal compensation mode and/or a condenser 9 thermal compensation mode. One thermal compensation mode or two thermal compensation modes can be started according to requirements.
Specifically, the second preset temperature condition means that the second preset temperature condition is set to be a preset temperature difference value of the current temperature of the warm keeping chamber 3 larger than a second fixed value due to the condition that the condenser thermal compensation is started when the warm keeping chamber 3 is started with the current temperature being lower than the current temperature, exemplarily, the second fixed value is set to be 2 degrees, when the temperature of the warm keeping chamber 3 is lower than the preset temperature 2 degrees, in order to prevent the temperature of the warm keeping chamber 3 from being too low, the thermal compensation mode is selected according to the external environment temperature, the working state of the compressor and the working state of the condenser 9, and under a general condition, the condition that the current temperature of the warm keeping chamber 3 is higher than the preset temperature does not exist.
When the temperature of the warm keeping chamber 3 is higher than the preset temperature due to temporary damage of the temperature sensing component, the thermal compensation mode is stopped, the warm keeping chamber 3 is waited for natural cooling, and other components can be arranged to assist the warm keeping chamber 3 to cool so as to return to the preset temperature as soon as possible.
In some embodiments of the present application, referring to fig. 12, when the external environment temperature satisfies the first preset temperature condition and the current temperature of the warm keeping chamber satisfies the second preset temperature condition, the controller keeps the solenoid valve 18 open, the condenser 9 operates, the warm keeping fan is turned on, the gas in the compressor compartment 4 sequentially enters the warm keeping chamber 3 through the condenser 9 and the air supply opening 81, and meanwhile, the controller controls the fresh air structure to be turned on, so that the outdoor air enters the warm keeping chamber 3 through the fresh air structure. The method solves the problems that when the external environment temperature is enough to meet the requirement of heating the warm keeping chamber 3, but the temperature of the warm keeping chamber 3 is greatly different from the preset temperature, food storage is influenced because the temperature of the warm keeping chamber 3 does not reach the standard or the standard reaching speed is too low, and the like, and the heat generated by the condenser 9 is adopted to assist in heating the warm keeping chamber 3, so that the heating speed of the warm keeping chamber 3 is increased.
In some embodiments of the present application, referring to fig. 12, when the external environment temperature does not satisfy the first preset temperature condition, no matter the current temperature of the warm keeping chamber 3 does not satisfy the second preset temperature condition, the heat compensation mode of the condenser 9 is turned on, the fresh air structure is turned off, the electromagnetic valve 18 is turned on, the condenser 9 is operated, the warm keeping fan is turned on, the compressor is operated, and the air in the compressor chamber 4 sequentially enters the warm keeping chamber 3 through the condenser 9 and the air supply opening 81 and is mixed with the air in the warm keeping chamber 3 to make the temperature of the warm keeping chamber 3 reach the preset temperature. That is, when the external environment temperature is not enough to raise the temperature of the warm keeping chamber 3, the warm keeping chamber 3 can be raised only by the heat generated by the refrigeration system during operation, so as to ensure the normal operation of the warm keeping chamber 3.
In some embodiments of the present application, referring to fig. 12, when the external environment temperature is not higher than the preset first preset temperature condition and the refrigerator is in the defrosting mode, the electromagnetic valve is kept closed, the condenser 9 is short-circuited, the fresh air structure is closed, the compressor operates at the first preset compressor frequency, the warm air storage fan operates, and the air in the compressor compartment 4 enters the warm air storage compartment 3 through the warm air storage duct 8 under the action of the warm air storage fan. In the defrosting mode, the temperature of the warm storage is quickly reduced due to the fact that the condenser 9 does not work and loses a heat source, so that temperature compensation needs to be performed in advance, at the moment, the compressor operates at a high frequency, the warm storage fan works, and tests show that the compensation frequency of defrosting of the BCD-558 machine type can be set to 3900 revolutions.
In some embodiments of the present application, the refrigerator further includes a freezing chamber 2, a freezing fan disposed in the freezing chamber 2 and communicated with the warm air storage duct 8, a refrigerating chamber 1 and a refrigerating fan disposed in the refrigerating chamber 1 and communicated with the warm air storage duct 8, referring to fig. 12, when the external environment temperature does not satisfy the first preset temperature condition and the refrigerator is in the first working mode, the compressor is kept started and the compressor runs at the second preset compressor frequency, the refrigerating fan is closed, the freezing fan is closed, the electromagnetic valve is opened, and the warm air storage fan runs. Specifically, when the refrigerator runs in a low-temperature low-frequency mode, under the low-temperature condition, the refrigerating temperature changes slowly, the temperature of the warm storage chamber can quickly fall back, temperature compensation is needed at the moment, the compressor is started, the warm storage fan works, and tests show that the compensation frequency of defrosting of the BCD-558 machine type is 1500 revolutions; the refrigerating and freezing fans are not started in order to prevent the refrigerating chamber 1 and the freezing chamber 2 from being too low in temperature due to the continuous operation of the compressor, and the refrigerating and freezing effects are influenced.
The first operating mode is a low-temperature and low-frequency mode of the refrigerator, specifically, the low temperature means that the ambient temperature is lower than a set temperature, for example, the set temperature is 16 ℃, the ambient temperature is 10 ℃, the low frequency means that the operating frequency of the compressor is lower than 1800 rpm, and for example, the rotating speed of the compressor is 1000 rpm.
In some embodiments of the present application, referring to fig. 12, when the external environment temperature does not satisfy the first preset temperature condition and the refrigerator is in the second working mode, the warm air blower works at a preset frequency and runs at preset periodic intervals, the electromagnetic valve is opened, and the warm air blower is opened, so as to realize that the temperature of the warm storage chamber 3 and the temperature of the refrigerating chamber 1 change at the same frequency.
The second operation mode includes that the refrigerator is in a medium frequency mode and a high frequency mode, wherein the medium frequency refers to the rotation speed of the compressor being 1800-3500 rpm, and the high frequency refers to the rotation speed of the compressor being 3500 rpm or more.
For better explanation of the technical solution of the present application, the following description is provided on the operating frequency of the compressor in different operating modes of the refrigerator under the condition that the ambient temperature does not satisfy the first preset temperature.
It should be noted that, in the following description, when the external environment temperature satisfies the first preset temperature condition, the new thermal compensation mode may be started to assist the thermal compensation mode of the condenser 9.
When the refrigerator is in normal stable operation, the compressor works at certain working frequency and intervals, so that the warm storage temperature and the cold storage temperature can regularly fluctuate under the condition of meeting the cold storage and warm storage conditions.
When the refrigerator is in the defrosting stage, because lose the heat source, the temperature descends too fast, needs the compressor to carry out temperature compensation, and the compressor rotates with 3900 commentaries on classics, and warm-keeping fan work to the temperature demand of guaranteeing warm keeping room 3, when warm keeping room 3 reaches the uniform temperature simultaneously, resumes the compressor to normal operating frequency, in order to guarantee cold-stored temperature condition.
During the high frequency operation stage, the compressor is in the high frequency running state, and refrigerating system warms up when working and stores the temperature and reduces, and compressor work production heat simultaneously, and condenser 9 heat dissipation is in order to improve the 3 temperatures in warm room of keeping, and the compressor regularity is opened and is closed, makes cold-stored temperature and warm temperature of keeping in the condition of keeping in accord with cold-stored and warm law fluctuation under.
When the compressor stops working, the warm storage temperature rapidly drops to meet a second preset temperature condition, thermal compensation needs to be carried out at the moment, and the compressor starts the compensation frequency to carry out thermal compensation. Illustratively, the compensation frequency is 1500 revolutions, and it will be appreciated that the compensation frequency can be adjusted as desired.
During the intermediate frequency operation stage, the compressor is in intermediate frequency running state, and refrigerating system during operation warms up to preserve the temperature and reduces, and compressor work production heat simultaneously, and condenser 9 heat dissipation is in order to improve warm 3 temperatures in the room of keeping, and the compressor regularity is opened and is closed, makes cold-stored temperature and warm temperature of keeping preserve regular fluctuation under the condition in conformity with cold-stored and warm.
The operation of the refrigerator will be described below in terms of the ambient temperature.
When the external environment temperature does not meet the second preset temperature condition, namely the external environment temperature is lower than 25 ℃, the condenser 9 is adopted to carry out heating of the warm keeping chamber 3 in a thermal compensation mode, and outdoor air is not used for carrying out thermal compensation.
The temperature range requirement of the warm storage chamber is 5-19 ℃, when the temperature of the warm storage chamber is set to be 19 ℃, and when the temperature of the external environment is higher than 25 ℃, namely the temperature of the external environment is higher than 6 ℃ of the set temperature of the warm storage chamber, the electromagnetic valve connected with the warm storage condenser is disconnected, the warm storage fan is opened, and outdoor air can enter the warm storage chamber through the fresh air structure so as to maintain the temperature of the warm storage chamber.
In the application, refrigeration of the refrigerating chamber 1, refrigeration of the freezing chamber 2 and heating of the warm storage chamber 3 are respectively and independently circulated and do not interfere with each other.
This application is under the different mode of refrigerator self and the condition of different external environmental temperatures, and the produced heat of make full use of refrigerator refrigerating system and external environment's heat do not need extra increase heating device to the temperature demand of warm storeroom 3 is maintained to minimum energy consumption, satisfies user's diversified storage needs, and convenience of customers is used for unfreezing fast, accords with the demand of present household electrical appliances development, the popularization of the product of being convenient for.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. A refrigerator, characterized by comprising:
the warm storage chamber is internally provided with a warm storage air channel communicated with the warm storage chamber through an air supply outlet, and a warm storage fan is arranged in the warm storage air channel;
the fresh air structure is arranged on the side wall of the warm keeping chamber and is used for communicating the warm keeping chamber with the outside;
a compressor chamber in which a compressor is disposed;
the condenser is connected with the compressor and arranged near the warm air storage duct or an air inlet of the warm air storage duct;
the electromagnetic valve is arranged between the compressor and the condenser and used for controlling the working state of the condenser;
the controller is configured to:
when external environment temperature satisfies first predetermined temperature condition, then control the solenoid valve is closed, the condenser short circuit, the warm fan that reserves is opened, keeps the new trend structure is opened, opens new trend thermal compensation mode, makes outdoor wind pass through the new trend structure gets into warm storeroom and with the gas in the warm storeroom mixes so that the temperature of warm storeroom reaches predetermined temperature.
2. The refrigerator as claimed in claim 1, wherein the warm air blower is turned on when the current temperature of the warm storage compartment satisfies a second preset temperature condition, and the refrigerator starts a thermal compensation mode, wherein the thermal compensation mode includes a fresh air thermal compensation mode and/or a condenser thermal compensation mode.
3. The refrigerator as claimed in claim 2, wherein when the external ambient temperature does not satisfy the first preset temperature condition, a condenser thermal compensation mode is turned on, the solenoid valve is controlled to be opened, the fresh air structure is closed, the warm air blower is turned on, the compressor is operated, and the air in the compressor compartment sequentially passes through the condenser and the air supply outlet to enter the warm storage compartment and is mixed with the air in the warm storage compartment so that the temperature of the warm storage compartment reaches a preset temperature.
4. The refrigerator as claimed in claim 1, wherein when the ambient temperature meets the first predetermined temperature condition and the current temperature of the warm keeping chamber meets a second predetermined temperature condition, the controller keeps the solenoid valve open, the condenser operates, the warm keeping blower is open, the air in the compressor compartment sequentially enters the warm keeping chamber through the condenser and the air supply outlet, and the controller controls the fresh air structure to open, so that the outdoor air enters the warm keeping chamber through the fresh air structure.
5. The refrigerator as claimed in claim 1, wherein when the outside ambient temperature does not satisfy the first predetermined temperature condition and the refrigerator is in a defrosting mode, the solenoid valve is closed to maintain the condenser short-circuited, the fresh air structure is closed, the compressor operates at a first predetermined compressor frequency, the warm air blower operates, and the air in the compressor compartment enters the warm storage compartment through the warm air duct.
6. The refrigerator of claim 1, further comprising a freezing chamber, a freezing fan disposed in the freezing chamber and communicated with the warm air channel, a refrigerating chamber, and a refrigerating fan disposed in the refrigerating chamber and communicated with the warm air channel, wherein when the ambient temperature does not satisfy the first preset temperature condition and the refrigerator is in the first operating mode, the compressor operates at a second preset compressor frequency, the refrigerating fan is turned off, the freezing fan is turned off, the electromagnetic valve is turned on, the warm air fan operates, and the gas in the compressor chamber enters the warm air channel.
7. The refrigerator as claimed in claim 1, wherein when the outside ambient temperature does not satisfy the first preset temperature condition and the refrigerator is in the second operation mode, the compressor is operated at a preset frequency at preset periodic intervals, the solenoid valve is turned on, and the warm air blower is turned on to synchronize a temperature change of the warm storage compartment and a temperature change of the refrigerating compartment.
8. The refrigerator as claimed in claim 1, wherein the warm keeping chamber is defined by the warm keeping inner container, an air duct cover is provided on a rear wall of the warm keeping inner container, and the air duct cover and the rear wall of the warm keeping inner container together define a warm keeping air duct.
9. The refrigerator as claimed in claim 8, wherein a fresh air opening is formed on a rear panel of the refrigerator, an air duct cover plate vent is provided on the air duct cover plate corresponding to the fresh air structure, and the fresh air structure includes:
a first ventilation part communicated with the fresh air port;
the second ventilation portion is connected with the first ventilation portion and located on one side, far away from the fresh air opening, of the first ventilation portion, one side of the second ventilation portion is communicated with the first ventilation portion, the other side of the second ventilation portion is communicated with the warm-storage air channel through the air channel cover plate ventilation opening, and the cross-sectional area of the second ventilation portion is larger than that of the first ventilation portion.
10. The refrigerator as claimed in claim 1, wherein a filter valve is disposed inside the fresh air structure, activated carbon is disposed inside the filter valve, and the outdoor air enters the fresh air structure, is filtered by the activated carbon, and then enters the warm storage chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825246.7A CN115060039A (en) | 2022-07-14 | 2022-07-14 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825246.7A CN115060039A (en) | 2022-07-14 | 2022-07-14 | Refrigerator with a door |
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| Publication Number | Publication Date |
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| CN115060039A true CN115060039A (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210825246.7A Pending CN115060039A (en) | 2022-07-14 | 2022-07-14 | Refrigerator with a door |
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| CN215113427U (en) * | 2021-04-30 | 2021-12-10 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN215336986U (en) * | 2021-07-13 | 2021-12-28 | 海信（山东）空调有限公司 | Indoor unit of air conditioner |
| CN114427774A (en) * | 2022-01-24 | 2022-05-03 | 海信（山东）冰箱有限公司 | Refrigerator and temperature control method of warm-keeping drawer of refrigerator |
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| JPH07127963A (en) * | 1993-11-05 | 1995-05-19 | Matsushita Refrig Co Ltd | Apparatus for cooling machine chamber of refrigerator |
| US20030056526A1 (en) * | 2000-12-22 | 2003-03-27 | Holmes John S. | Refrigerator - electronics architecture |
| JP2005226984A (en) * | 2004-01-15 | 2005-08-25 | Matsushita Electric Ind Co Ltd | Refrigerator |
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Application publication date: 20220916 |