CN210663535U - Humidity adjusting chamber of dual-system refrigerator - Google Patents
Humidity adjusting chamber of dual-system refrigerator Download PDFInfo
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- CN210663535U CN210663535U CN201921616616.6U CN201921616616U CN210663535U CN 210663535 U CN210663535 U CN 210663535U CN 201921616616 U CN201921616616 U CN 201921616616U CN 210663535 U CN210663535 U CN 210663535U
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- 238000007710 freezing Methods 0.000 claims abstract description 65
- 238000005057 refrigeration Methods 0.000 claims abstract description 28
- 230000009977 dual effect Effects 0.000 claims abstract description 5
- 238000007667 floating Methods 0.000 claims description 15
- 239000003463 adsorbent Substances 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 235000013305 food Nutrition 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
The utility model discloses a dual system refrigerator humidifying cavity relates to refrigerator humidifying technical field. The utility model comprises a refrigerator body, a freezing chamber, a refrigerating system of the refrigerating chamber and a refrigerating system of the freezing chamber; a humidity adjusting chamber is arranged in the refrigerating chamber; the humidifying device is arranged on the side wall of the humidifying chamber. The utility model is provided with the refrigeration evaporator in the refrigeration chamber and is controlled to be switched into the refrigeration chamber for refrigeration by the electric switching valve; a humidity adjusting chamber is arranged in the refrigerating chamber; after receiving the humidity of the humidity-adjusting chamber and the temperature of the humidity-adjusting chamber transmitted by the humidity-adjusting chamber room temperature and humidity sensor, the main control board of the refrigerator controls the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidity-adjusting chamber and the fresh air fan, so as to adjust the humidity and increase the humidity in the refrigerating chamber; the food storage box is suitable for the storage of foods with different humidity requirements and has strong adaptability.
Description
Technical Field
The utility model belongs to the technical field of the refrigerator humidifying, especially, relate to a dual system refrigerator humidifying cavity.
Background
The share of the air-cooled refrigerators in the refrigerator market is increased year by year, and the air-cooled refrigerators are divided into two types, namely single-system air-cooled refrigerators and multi-system air-cooled refrigerators, and the main difference is whether a refrigerating chamber is provided with an evaporator or not. An area is arranged in a dual-system air-cooled refrigerator and is specially used for storing food materials sensitive to relative humidity requirements, such as fruits and vegetables, the high humidity needs to be more than 90%, the cosmetic drugs need to be 50% -60%, and the tea dry goods need to be less than 45%. The high humidity and low humidity of the double-system refrigerator in the current industry are realized by a method of sealing a certain area.
The utility model provides a double-system refrigerator humidifying chamber, wherein a refrigerating evaporator is arranged in a refrigerating chamber and is switched to the refrigerating chamber for refrigeration through the control of an electric switching valve; a humidity adjusting chamber is arranged in the refrigerating chamber; after receiving the humidity of the humidity-adjusting chamber and the temperature of the humidity-adjusting chamber transmitted by the humidity-adjusting chamber room temperature and humidity sensor, the main control board of the refrigerator controls the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidity-adjusting chamber and the fresh air fan, so as to adjust the humidity and increase the humidity in the refrigerating chamber; the food storage device is suitable for storing foods with different humidity requirements; the applicability is strong.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a humidifying chamber of a dual-system refrigerator, wherein a refrigerating evaporator is arranged in a refrigerating chamber and is controlled to be switched to the refrigerating chamber for refrigeration through an electric switching valve; a humidity adjusting chamber is arranged in the refrigerating chamber; after receiving the humidity of the humidity-adjusting chamber and the temperature of the humidity-adjusting chamber transmitted by the humidity-adjusting chamber room temperature and humidity sensor, the main control board of the refrigerator controls the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidity-adjusting chamber and the fresh air fan, so as to adjust the humidity and increase the humidity in the refrigerating chamber; the food storage device is suitable for the storage of foods with different humidity requirements.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a dual-system refrigerator humidifying chamber, which comprises a refrigerator body, a freezing chamber, a refrigerating system of the refrigerating chamber and a refrigerating system of the freezing chamber; a humidity adjusting chamber is arranged in the refrigerating chamber; a humidifying device is arranged on the side wall of the humidifying chamber;
the refrigerating chamber refrigeration system comprises a refrigerating chamber evaporator and a refrigerating chamber capillary tube which are communicated with each other; the refrigerating chamber evaporator is arranged in a refrigerating chamber; the freezing chamber refrigerating system comprises a freezing chamber evaporator and a freezing chamber capillary tube which are communicated with each other; the refrigerating chamber evaporator and the freezing chamber evaporator are both connected with the input end of the compressor; the refrigerating chamber capillary tube and the freezing chamber capillary tube are correspondingly connected with two output ends of the electric switching valve; the input end of the electric switching valve is connected with the output end of the compressor in the compressor cavity through a condenser;
the refrigerating chamber evaporator is arranged in an evaporator cavity between the rear wall of the refrigerating chamber and the refrigerating chamber fan cover; a refrigerating chamber refrigerating fan is arranged on the refrigerating chamber wind shield; a refrigerating air outlet communicated with the refrigerating chamber air inlet duct is formed in the refrigerating chamber air hood; a refrigerating return air inlet communicated with a return air duct of the refrigerating chamber is formed in the bottom of the rear wall of the refrigerating chamber; a refrigerating chamber temperature sensor is also arranged in the refrigerating chamber; a refrigerating evaporator temperature sensor is arranged on the refrigerating chamber evaporator;
the humidifying chamber is fixed between two side walls of the refrigerating chamber and is enclosed by two parallel enclosing plates; a drawer is hermetically arranged in the humidifying chamber; the rear wall of the humidifying cavity is provided with a humidifying cavity air inlet and a humidifying cavity air return inlet; the air inlet of the humidifying chamber is communicated with the air inlet duct of the refrigerating chamber through an air inlet duct of the humidifying chamber; the humidifying chamber air return port is communicated with the refrigerating chamber air return channel through a humidifying chamber air return channel; an electric air door of the humidifying chamber is arranged in the air inlet duct of the humidifying chamber; a humidity and temperature sensor of the humidity adjusting chamber is further mounted on the rear wall of the humidity adjusting chamber;
the humidifying device is arranged between the side wall of the humidifying chamber and the inner side wall of the humidifying chamber; the refrigerating chamber humidifying device comprises a connecting pipe, a one-way floating ball valve cavity and a fresh air fan; the connecting pipe extends out of the side wall of the humidifying chamber) is provided with a vent cover; the other end of the connecting pipe is communicated with the bottom end of the cavity of the vertically placed one-way floating ball valve; a floating ball is placed in the cavity of the one-way ball valve; one side of the one-way ball float valve cavity is communicated with the fan protection cover; the fan protective cover is fixed on the outer wall of the inner side wall of the humidifying cavity and is communicated with the humidifying cavity; the diameter of the floating ball is larger than the diameter of the inlet of the one-way ball float cavity and smaller than the diameter of the cavity of the one-way ball float cavity;
a main control panel of the refrigerator is arranged at the top of the refrigerator body; the refrigerator main control board is used for receiving the temperature of a refrigerating chamber transmitted by the temperature sensor of the refrigerating evaporator and the humidity and temperature of the humidity adjusting chamber transmitted by the temperature and humidity sensor of the humidity adjusting chamber; the refrigerator main control board is also used for controlling the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidifying chamber and the fresh air fan.
Preferably, the freezing chamber evaporator is installed in an evaporator cavity between the rear wall of the freezing chamber and the freezing chamber fan cover; a refrigerating fan of a freezing chamber is arranged on the freezing chamber wind shield; a freezing air outlet communicated with the air inlet duct of the freezing chamber is formed in the freezing chamber air hood; a freezing air return opening communicated with a freezing chamber air return duct is formed in the bottom of the rear wall of the freezing chamber; a freezing chamber temperature sensor is also arranged in the freezing chamber; and a freezing evaporator temperature sensor is arranged on the freezing chamber evaporator.
Preferably, the inner side wall of the humidity adjusting chamber is also provided with an adsorbent protection cover provided with a plurality of through holes; the adsorbent protection cover corresponds to the fan protection cover in position; and a porous adsorbent is fixed on the inner side of the adsorbent protection cover.
Preferably, an annular fan cover sealing ring is mounted on the inner side wall of the fan protection cover; a movable sealing cover is arranged at the top of the one-way ball float valve cavity; and a reticular baffle is arranged at the communication position of the one-way ball float valve cavity and the fan protection cover.
A control method for a humidity adjusting chamber of a dual-system refrigerator comprises the following steps:
setting the humidity-regulating preset value in the humidity-regulating chamber as H:
when the humidity regulation preset value H is less than 45%, the humidity regulation control method comprises the following steps:
s00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, and a refrigerating chamber refrigeration fan and a compressor are opened;
s01: the refrigerator main control board judges whether the evaporator temperature transmitted by the refrigeration evaporator temperature sensor is lower than a preset temperature A or not; if yes, go to S04; if not, go to S02;
s02: the refrigerator main control board controls an electric air door of the humidity adjusting chamber to keep an open state;
s03: the refrigerator main control board judges whether the humidity of the current humidity adjusting chamber is larger than a humidity adjusting preset value H or the temperature of the refrigerating chamber reaches a refrigerating chamber shutdown point Toff; if yes, go to S04; if not, go to S02;
s04: the refrigerator main control board controls the electric air door of the humidity adjusting chamber to keep a closed state;
when the humidity regulation preset value H is more than 45% and less than 90%, the humidity regulation control method comprises the following steps:
a00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, a refrigerating chamber refrigeration fan and a compressor are opened, and an electric air door of a humidity adjusting chamber is opened;
a01: the refrigerator main control board judges whether the humidity of the current humidity adjusting chamber is larger than a humidity adjusting preset value H; if yes, A02 is executed; if not, executing A03;
a02: the refrigerator main control board controls the closing of the electric air door of the humidity adjusting chamber;
a03: the refrigerator main control board judges whether the temperature of the refrigerating chamber is less than a refrigerating chamber stop point Toff, if so, a fresh air fan is turned on, and A01 is executed; if not, keeping the fresh air fan closed;
when the humidity regulation preset value H is more than 90%, the humidity regulation control method comprises the following steps:
b00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, a refrigerating chamber refrigeration fan and a compressor are started, and a fresh air fan is started at the same time;
b01: the refrigerator main control board judges whether the temperature of the refrigerating chamber is less than a refrigerating chamber stop point Toff, if so, B02 is executed; if not, execute B00;
b02: the refrigerator main control board controls the electric switching valve to switch so that the capillary of the freezing chamber is communicated and the compressor is closed, and meanwhile, the electric air door of the humidifying chamber is opened and the fresh air fan is closed;
b03: the refrigerator main control board judges whether the temperature of the evaporator is greater than a preset temperature B or not; if so, closing the electric air door of the humidifying chamber and the refrigerating fan of the refrigerating chamber; if not, B02 is executed.
Preferably, the preset temperature A < -5 ℃; the preset temperature B is more than 0 ℃.
The utility model discloses an aspect has following beneficial effect:
1. the utility model is provided with a refrigeration evaporator in the refrigeration chamber and is controlled to be switched into the refrigeration chamber for refrigeration through the electric switching valve; a humidity adjusting chamber is arranged in the refrigerating chamber; after receiving the humidity of the humidity-adjusting chamber and the temperature of the humidity-adjusting chamber transmitted by the humidity-adjusting chamber room temperature and humidity sensor, the main control board of the refrigerator controls the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidity-adjusting chamber and the fresh air fan, so as to adjust the humidity and increase the humidity in the refrigerating chamber; the food storage box is suitable for the storage of foods with different humidity requirements and has strong adaptability.
2. The utility model discloses a humidification device utilizes the forced convection mode, introduces the high air of external moisture content into the humidifying cavity, accomplishes the moisture in the short time and supplyes, reduces the humidification energy consumption, greatly promotes the fresh-keeping effect of fruit vegetables.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a main viewing angle of a humidity control chamber of a dual-system refrigerator of the present invention when a door body is not installed;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a vertical sectional view of the refrigerating chamber of the humidity control chamber of the dual system refrigerator of the present invention;
FIG. 4 is an enlarged view of B in FIG. 3;
FIG. 5 is a chart of absolute humidity versus relative humidity;
FIG. 6 is a flow chart of the method for controlling the humidity control chambers of the dual-system refrigerator according to the present invention when the humidity control preset value H is less than 45%;
FIG. 7 is a flow chart of the method for controlling the humidity control chambers of the dual-system refrigerator according to the present invention when the humidity control preset value H is greater than 45% and less than 90%;
FIG. 8 is a flow chart of the method for controlling humidity control chambers of a dual-system refrigerator according to the present invention when the humidity control preset value H is greater than 90%.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, the utility model relates to a humidity-adjusting chamber of a dual-system refrigerator, which comprises a refrigerator body, a freezing chamber 1, a refrigerating chamber 2, a refrigerating chamber refrigerating system and a freezing chamber refrigerating system; a humidity adjusting chamber 5 is arranged in the refrigerating chamber 2; a humidifying device is arranged on the side wall of the humidifying chamber 5;
the refrigerating chamber refrigeration system comprises a refrigerating chamber evaporator 21 and a refrigerating chamber capillary tube which are communicated with each other; the refrigerating compartment evaporator 21 is installed in the refrigerating compartment 2; the freezing chamber refrigerating system comprises a freezing chamber evaporator and a freezing chamber capillary tube which are communicated with each other; the refrigerating chamber evaporator 21 and the freezing chamber evaporator are both connected with the input end of the compressor 3; the refrigerating chamber capillary and the freezing chamber capillary are correspondingly connected with two output ends of the electric switching valve; the input end of the electric switching valve is connected with the output end of the compressor 3 in the compressor cavity through a condenser; the refrigerating chamber evaporator is arranged in an evaporator cavity between the rear wall of the refrigerating chamber and the refrigerating chamber fan cover; a refrigerating fan of the freezing chamber is arranged on the air hood of the freezing chamber; a freezing air outlet communicated with the air inlet duct of the freezing chamber is formed in the freezing chamber air hood; a freezing air return port communicated with the air return channel of the freezing chamber is formed at the bottom of the rear wall of the freezing chamber; a freezing chamber temperature sensor is also arranged in the freezing chamber; a freezing evaporator temperature sensor is arranged on the freezing chamber evaporator; in a specific using process, the refrigerator main control board 6 controls the electric switching valve to switch to refrigerate the freezing chamber 1 or the refrigerating chamber 2;
the refrigerating chamber evaporator 21 is arranged in an evaporator cavity between the rear wall of the refrigerating chamber 2 and the refrigerating chamber fan cover 22; a refrigerating chamber refrigerating fan 23 is arranged on the refrigerating chamber fan cover 22; a refrigerating air outlet 221 communicated with the refrigerating chamber air inlet duct is formed in the refrigerating chamber fan cover 22; a refrigerating return air inlet 222 communicated with a refrigerating chamber return air duct is formed at the bottom of the rear wall of the refrigerating chamber 2; a refrigerating chamber temperature sensor 24 is also arranged in the refrigerating chamber 2; a refrigerating evaporator temperature sensor 211 is installed on the refrigerating chamber evaporator 21;
the humidifying chamber 5 is enclosed by two parallel enclosing plates 51 fixed between two side walls of the refrigerating chamber 2; a drawer 52 is hermetically arranged in the humidifying chamber 5; the rear wall of the humidifying chamber 5 is provided with a humidifying chamber air inlet 53 and a humidifying chamber air return inlet 54; the humidifying chamber air inlet 53 is communicated with the refrigerating chamber air inlet duct through a humidifying chamber air inlet duct; the humidifying chamber air return port 54 is communicated with the refrigerating chamber air return passage through a humidifying chamber air return passage; an electric damper 55 of the humidity-adjusting chamber is arranged in the air inlet duct of the humidity-adjusting chamber; a humidity and temperature sensor 56 of the humidity adjusting chamber is also arranged on the rear wall of the humidity adjusting chamber 5;
the humidifying device is arranged between the side wall 5a of the humidifying chamber and the inner side wall 5b of the humidifying chamber; the humidifying device of the refrigerating chamber comprises a connecting pipe 41, a one-way ball float valve cavity 42 and a fresh air fan 43; a vent cover 411 is arranged at one end of the connecting pipe 41 extending out of the side wall 5a of the humidifying chamber; the other end of the connecting pipe 41 is communicated with the bottom end of a vertically placed one-way ball float valve cavity 42; a floating ball 44 is arranged in the one-way floating ball valve cavity 42; one side of the one-way ball float valve cavity 42 is communicated with a fan protection cover 431; the fan protection cover 431 is fixed on the outer wall of the inner side wall 5b of the humidifying chamber and is communicated with the humidifying chamber; the diameter of the floating ball 44 is larger than the diameter of the inlet of the one-way ball valve cavity 42 and smaller than the diameter of the cavity of the one-way ball valve cavity 42;
when in specific use: the refrigerator main control board 6 controls the fresh air fan 43 to rotate, the air suction surface of the fresh air fan 43 faces air outside the refrigerator body, and the air blowing surface faces the humidity adjusting chamber 5; the floating ball 44 in the one-way ball float valve cavity 42 is lifted, and external high-humidity air enters the humidity adjusting chamber 5 to realize rapid humidification; the highest humidity is increased to 70% from the original 30%;
from the thermodynamic perspective, the temperature and the absolute humidity determine the relative humidity of the space; wherein, the absolute humidity refers to the amount of water vapor contained in the gas; relative humidity refers to the ratio of absolute humidity to the water vapor content of the saturated state of the temperature expressed as a percentage. When the refrigerating compartment 2 is refrigerated, most of the absolute humidity is brought to the refrigerating compartment evaporator 21 by the wind circulation to be condensed; after refrigeration is stopped, the relative humidity rises slowly and the highest point is low, resulting in too low average relative humidity.
As can be seen from the air conditioning theory, the absolute humidity contained in the same relative humidity varies at different temperatures. The higher the temperature, the greater the absolute humidity in the air; as can be seen from the table of the relative humidity and the absolute humidity shown in FIG. 5, the humidifying of the refrigerating chamber can be realized by only supplementing a few grams of absolute humidity into the refrigerating chamber 2;
assume 1m at 5 deg.C3In the environment, if the relative humidity is 70%, only 5.09g of water vapor is needed to be added into the space. In a natural state of the air-cooled refrigerator, enough water vapor cannot be supplemented into the refrigerating chamber through gaps such as a door seal and a rotating beam. Therefore, the utility model aims at the problem, the forced convection method is utilized to introduce the air with high external moisture content into the refrigerating chamber 2, the moisture supplement is completed in a short time, and the fruit and vegetable fresh-keeping effect is greatly improved;
the top of the refrigerator body is provided with a main control panel 6 of the refrigerator; the refrigerator main control board 6 is used for receiving the refrigerating chamber temperature transmitted by the refrigerating evaporator temperature sensor 211 and the humidity-adjusting chamber humidity and humidity-adjusting chamber temperature transmitted by the humidity-adjusting chamber temperature and humidity sensor 56; the refrigerator main control board 6 is also used for controlling the switching of the electric switching valve and the switching of the compressor 3, the refrigerating chamber refrigerating fan 23, the humidifying chamber electric air door 55 and the fresh air fan 43; when the refrigerator is used, after receiving the humidity of the humidity-adjusting chamber and the temperature of the humidity-adjusting chamber transmitted by the humidity sensor of the humidity chamber, the main control board of the refrigerator controls the switching of the electric switching valve and the switching of the compressor, the refrigerating fan of the refrigerating chamber, the electric air door of the humidity-adjusting chamber and the fresh air fan, so that the humidity adjustment and humidification in the refrigerating chamber are realized; the food storage box is suitable for the storage of foods with different humidity requirements and has strong adaptability; and water is supplemented into the humidity adjusting chamber 5 according to the requirement by adopting a forced convection method, so that the humidity adjusting effect is achieved, and the storage humidity of different food materials is met.
Wherein, the inner side wall 5b of the humidifying chamber is also provided with an adsorbent protection cover 45 provided with a plurality of through holes; the adsorbent protection cover 45 corresponds to the blower protection cover 431 in position; the porous adsorbent 451 is fixed inside the adsorbent protection cover 45.
Wherein, the inner side wall of the fan protection cover 431 is provided with an annular fan cover sealing ring 432; the top of the one-way ball float valve cavity 42 is provided with a movable sealing cover 421; a reticular baffle 422 is arranged at the communication position of the one-way ball float valve cavity 42 and the fan protection cover 431.
Referring to fig. 6, a method for controlling humidity conditioning chambers of a dual-system refrigerator includes the following steps:
setting the humidity-regulating preset value in the humidity-regulating chamber as H:
when the humidity regulation preset value H is less than 45%, the humidity regulation control method comprises the following steps:
s00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board 6 controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, and the refrigerating chamber refrigeration fan 23 and the compressor 3 are opened;
s01: the refrigerator main control board 6 judges whether the evaporator temperature transmitted by the refrigeration evaporator temperature sensor 211 is less than a preset temperature a; if yes, go to S04; if not, go to S02;
s02: the refrigerator main control board 6 controls the electric damper 55 of the humidity adjusting chamber to keep an open state;
s03: the refrigerator main control board 6 judges whether the humidity of the current humidity adjusting chamber is larger than a humidity adjusting preset value H or the temperature of the refrigerating chamber reaches a refrigerating chamber shutdown point Toff; if yes, go to S04; if not, go to S02;
s04: the refrigerator main control board 6 controls the electric damper 55 of the humidity adjusting chamber to keep a closed state;
in the actual use process: the humidity in the humidity adjusting chamber 5 is rapidly reduced to about 20% and the fresh air fan 43 is not opened in the whole process; after the temperature of the refrigerating chamber reaches the refrigerating chamber shutdown point Toff, the humidifying chamber electric air door 55 is closed; then, the humidity adjusting chamber 5 is sealed, no residual moisture enters, and the maximum value slowly rises to about 50%, so that the average humidity is kept at a level less than 45%;
referring to fig. 7, when the humidity control preset value H is greater than 45% < 90%, the humidity control method is as follows:
a00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board 6 controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, the refrigerating chamber refrigeration fan 23 and the compressor 3 are opened, and meanwhile, the humidifying chamber electric air door 55 is opened;
a01: the refrigerator main control board 6 judges whether the humidity of the current humidity adjusting chamber is larger than a humidity adjusting preset value H; if yes, A02 is executed; if not, executing A03;
a02: the refrigerator main control board 6 controls to close the electric damper 55 of the humidity adjusting chamber;
s03: the refrigerator main control board 6 judges whether the temperature of the refrigerating chamber is less than a refrigerating chamber stop point Toff, if so, the fresh air fan 43 is turned on and A01 is executed; if not, the fresh air fan 43 is kept closed;
in the actual use process: because the electric air door 55 of the humidity-adjusting chamber is opened synchronously with the refrigerating chamber refrigerating fan 23, the damp-heat load in the evaporator cavity is large, the refrigerating chamber evaporator 21 is overheated seriously, the integral temperature is high, and the dehumidification capacity in the humidity-adjusting chamber 5 is reduced; therefore, the lowest point of humidity in the humidity control chamber 5 is generally 40% or more; when the humidity-adjusting preset value H is monitored by the humidity-adjusting chamber temperature and humidity sensor 56, closing the humidity-adjusting chamber electric air door 55; at this time, if the temperature of the refrigerating chamber does not reach the refrigerating chamber shutdown point Toff, the humidifying chamber electric air door 55 keeps a closed state, the refrigerating chamber refrigerating fan 23 and the compressor 3 continue to work to refrigerate the refrigerating chamber 2, in the process, the air pressure in the humidifying chamber 5 is smaller than the external atmospheric pressure of the refrigerator body, the one-way ball float valve cavity 42 floats due to the negative pressure suction effect, and a small amount of high-humidity air enters the humidifying chamber 5; the humidity in the humidity adjustment chamber 5 rises; if the temperature of the refrigerating chamber reaches a refrigerating chamber shutdown point Toff, the refrigerating chamber refrigerating fan 23 and the compressor 3 stop working, negative pressure in the humidifying chamber 5 disappears, the refrigerator main control board 6 controls to open the fresh air fan 43, the one-way ball float valve cavity 42 is lifted, and when the humidifying chamber temperature and humidity sensor 56 monitors a humidifying preset value H, the fresh air fan 43 is closed, the humidity in the humidifying chamber is humidified by external high-humidity air in the process, the humidity in the humidifying chamber is rapidly raised, and the overall moisturizing humidity is 45% -90%;
referring to fig. 8, when the humidity preset value H is greater than 90%, the humidity control method is as follows:
b00: after the refrigerating chamber 2 requests refrigeration, the refrigerator main control board 6 controls the electric switching valve to switch so that the refrigerating chamber capillary is communicated, the refrigerating chamber refrigeration fan 23 and the compressor 3 are opened, and the fresh air fan 43 is opened at the same time;
b01: the refrigerator main control board 6 judges whether the temperature of the refrigerating chamber is less than a refrigerating chamber stop point Toff, if so, B02 is executed; if not, execute B00;
b02: the refrigerator main control board 6 controls the electric switching valve to switch so that the capillary of the freezing chamber is communicated and the compressor 3 is closed, and meanwhile, the electric air door 55 of the humidity conditioning chamber is opened and the fresh air fan 43 is closed;
b03: the refrigerator main control board 6 judges whether the temperature of the evaporator is greater than a preset temperature B; if yes, closing the humidifying chamber electric air door 55 and the refrigerating chamber refrigerating fan 23; if not, B02 is executed.
Wherein the preset temperature A is less than-5 ℃; the preset temperature B is more than 0 ℃.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A humidity adjusting chamber of a dual-system refrigerator is characterized by comprising a refrigerator body, a freezing chamber (1), a refrigerating chamber (2), a refrigerating chamber refrigerating system and a freezing chamber refrigerating system; a humidity adjusting chamber (5) is arranged in the refrigerating chamber (2); a humidifying device is arranged on the side wall of the humidifying chamber (5);
the refrigerating chamber refrigeration system comprises a refrigerating chamber evaporator (21) and a refrigerating chamber capillary tube which are communicated with each other; the refrigerating chamber evaporator (21) is arranged in the refrigerating chamber (2); the freezing chamber refrigerating system comprises a freezing chamber evaporator and a freezing chamber capillary tube which are communicated with each other; the refrigerating chamber evaporator (21) and the freezing chamber evaporator are both connected with the input end of the compressor (3); the refrigerating chamber capillary tube and the freezing chamber capillary tube are correspondingly connected with two output ends of the electric switching valve; the input end of the electric switching valve is connected with the output end of a compressor (3) in the compressor cavity through a condenser;
the refrigerating chamber evaporator (21) is arranged in an evaporator cavity between the rear wall of the refrigerating chamber (2) and the refrigerating chamber fan cover (22); a refrigerating chamber refrigerating fan (23) is arranged on the refrigerating chamber fan cover (22); a refrigerating air outlet (221) communicated with the refrigerating chamber air inlet duct is formed in the refrigerating chamber fan cover (22); a refrigerating return air inlet (222) communicated with a refrigerating chamber return air duct is formed in the bottom of the rear wall of the refrigerating chamber (2); a refrigerating chamber temperature sensor (24) is also arranged in the refrigerating chamber (2); a refrigerating evaporator temperature sensor (211) is arranged on the refrigerating chamber evaporator (21);
the humidifying chamber (5) is fixed between two side walls of the refrigerating chamber (2) and is enclosed by two parallel enclosing plates (51); a drawer (52) is hermetically arranged in the humidifying chamber (5); the rear wall of the humidity adjusting chamber (5) is provided with a humidity adjusting chamber air inlet (53) and a humidity adjusting chamber air return inlet (54); the air inlet (53) of the humidifying chamber is communicated with the air inlet duct of the refrigerating chamber through an air inlet duct of the humidifying chamber; the humidifying chamber air return port (54) is communicated with the refrigerating chamber air return channel through a humidifying chamber air return channel; an electric air door (55) of the humidity adjusting chamber is arranged in the air inlet duct of the humidity adjusting chamber; a humidity and temperature sensor (56) of the humidity adjusting chamber is further mounted on the rear wall of the humidity adjusting chamber (5);
the humidifying device is arranged between the side wall (5a) of the humidifying chamber and the inner side wall (5b) of the humidifying chamber; the refrigerating chamber humidifying device comprises a connecting pipe (41), a one-way floating ball valve cavity (42) and a fresh air fan (43); a vent cover (411) is arranged at one end of the connecting pipe (41) extending out of the side wall (5a)) of the humidity adjusting chamber; the other end of the connecting pipe (41) is communicated with the bottom end of a vertically placed one-way ball float valve cavity (42); a floating ball (44) is arranged in the one-way floating ball valve cavity (42); one side of the one-way floating ball valve cavity (42) is communicated with a fan protective cover (431); the fan protective cover (431) is fixed on the outer wall of the inner side wall (5b) of the humidifying chamber and is communicated with the humidifying chamber; the diameter of the floating ball (44) is larger than the diameter of the inlet of the one-way ball valve cavity (42) and is smaller than the diameter of the cavity of the one-way ball valve cavity (42);
a main control panel (6) of the refrigerator is arranged at the top of the refrigerator body; the refrigerator main control board (6) is used for receiving the temperature of a refrigerating chamber transmitted by the refrigerating evaporator temperature sensor (211) and the humidity conditioning chamber humidity and the humidity conditioning chamber temperature transmitted by the humidity conditioning chamber temperature and humidity sensor (56); the refrigerator main control board (6) is also used for controlling the switching of the electric switching valve and the switching of the compressor (3), the refrigerating chamber refrigerating fan (23), the electric air door (55) of the humidifying chamber and the fresh air fan (43).
2. The dual system refrigerator humidity conditioning chamber of claim 1, wherein the freezer evaporator is mounted in an evaporator chamber between a rear wall of the freezer compartment and the freezer air shield; a refrigerating fan of a freezing chamber is arranged on the freezing chamber wind shield; a freezing air outlet communicated with the air inlet duct of the freezing chamber is formed in the freezing chamber air hood; a freezing air return opening communicated with a freezing chamber air return duct is formed in the bottom of the rear wall of the freezing chamber; a freezing chamber temperature sensor is also arranged in the freezing chamber; and a freezing evaporator temperature sensor is arranged on the freezing chamber evaporator.
3. The dual-system refrigerator humidity conditioning chamber of claim 1, wherein the inner side wall (5b) of the humidity conditioning chamber is further provided with an adsorbent protection cover (45) provided with a plurality of through holes; the adsorbent protection cover (45) corresponds to the fan protection cover (431) in position; the inner side of the adsorbent protection cover (45) is fixed with a porous adsorbent (451).
4. The dual system refrigerator humidity conditioning chamber of claim 1, wherein an annular fan cover seal (432) is mounted on an inner side wall of the fan protection cover (431); a movable sealing cover (421) is arranged at the top of the one-way floating ball valve cavity (42); and a reticular baffle plate (422) is arranged at the communication position of the one-way floating ball valve cavity (42) and the fan protection cover (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616616.6U CN210663535U (en) | 2019-09-26 | 2019-09-26 | Humidity adjusting chamber of dual-system refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616616.6U CN210663535U (en) | 2019-09-26 | 2019-09-26 | Humidity adjusting chamber of dual-system refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN210663535U true CN210663535U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616616.6U Withdrawn - After Issue CN210663535U (en) | 2019-09-26 | 2019-09-26 | Humidity adjusting chamber of dual-system refrigerator |
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| CN (1) | CN210663535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513944A (en) * | 2019-09-26 | 2019-11-29 | 长虹美菱股份有限公司 | A kind of dual system refrigerator damping chamber and its control method |
-
2019
- 2019-09-26 CN CN201921616616.6U patent/CN210663535U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513944A (en) * | 2019-09-26 | 2019-11-29 | 长虹美菱股份有限公司 | A kind of dual system refrigerator damping chamber and its control method |
| CN110513944B (en) * | 2019-09-26 | 2023-06-09 | 长虹美菱股份有限公司 | Dual-system refrigerator humidity-adjusting chamber and control method thereof |
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