CN113883798B - Refrigerator and temperature control method and device for temperature changing chamber - Google Patents
Refrigerator and temperature control method and device for temperature changing chamber Download PDFInfo
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- CN113883798B CN113883798B CN202111188046.7A CN202111188046A CN113883798B CN 113883798 B CN113883798 B CN 113883798B CN 202111188046 A CN202111188046 A CN 202111188046A CN 113883798 B CN113883798 B CN 113883798B
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
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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
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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
- F25D29/00—Arrangement or mounting of control or safety devices
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- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a refrigerator, temperature control method and device of variable temperature chamber, the refrigerator comprises a variable temperature chamber, a refrigerating chamber, and an evaporator used for refrigerating the variable temperature chamber and the refrigerating chamber, a first connecting air channel is arranged between the variable temperature chamber and the refrigerating chamber, one end of the first connecting air channel close to the variable temperature chamber is provided with a first air door and a second air door used for controlling the output wind direction of the first connecting air channel, when the first air door is opened, the refrigerating chamber return air in the first connecting air channel enters the variable temperature chamber, when the second air door is opened, the refrigerating chamber return air in the first connecting air channel enters the evaporator, the refrigerating chamber return air is introduced into the variable temperature chamber, the refrigerating chamber return air is used as the variable temperature chamber return air, no auxiliary heater is needed to be arranged, the power consumption is reduced, the refrigerating chamber return air directly enters the evaporator through the second air door, the energy-saving effect is obvious, and the refrigerating chamber and the variable temperature chamber are communicated with each other, the independent air duct system of the temperature changing chamber is not needed to realize the refrigeration function, and the air duct design is simplified.
Description
Technical Field
The application belongs to the technical field of refrigerators, and particularly relates to a refrigerator and a temperature control method and device for a variable temperature chamber.
Background
Along with the improvement of living standard of people, the functions of a refrigerator tend to be diversified, particularly, the functions of preservation, sterilization and the like are adopted in a large amount, and the diversity of the functions of the same compartment is used in a large amount, so that the temperature-variable chamber is adopted in a large amount.
Disclosure of Invention
In order to overcome the problems that air ducts are independently arranged in each chamber of a traditional refrigerator and are complex in structure, and energy consumption is large due to the fact that an auxiliary heater is needed to adjust the temperature of a temperature-changing chamber when the temperature of the temperature-changing chamber is controlled, at least to a certain extent, the temperature control method and device for the refrigerator and the temperature-changing chamber are provided.
In a first aspect, the present application provides a refrigerator comprising:
the refrigerator comprises a temperature-changing chamber, a refrigerating chamber and an evaporator for refrigerating the temperature-changing chamber and the refrigerating chamber;
a first connecting air channel is arranged between the temperature-changing chamber and the refrigerating chamber;
one end of the first connecting air channel, which is close to the temperature-changing chamber, is provided with a first air door and a second air door which are used for controlling the output wind direction of the first connecting air channel;
when the first air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the temperature-changing chamber;
when the second air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the evaporator.
Further, the method also comprises the following steps:
and the controller is used for controlling the opening and closing states of the first air door and the second air door according to the comparison result of the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber.
Further, the method also comprises the following steps:
a second communication air duct arranged between the evaporator and the temperature change chamber;
a third air door is arranged at one end, close to the temperature-changing chamber, of the second communicating air channel;
the controller is also used for controlling the opening and closing state of the third air door according to the comparison result of the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber.
Further, the method also comprises the following steps:
the temperature sensor is arranged in the temperature changing chamber and used for acquiring the internal temperature of the temperature changing chamber;
the controller is also used for controlling the opening and closing states of the first air door, the second air door and the third air door according to the comparison result of the internal temperature of the temperature-changing chamber and the set temperature of the temperature-changing chamber.
Further, the method also comprises the following steps:
the first air door and the second air door are one-to-two air doors.
In a second aspect, the present application provides a temperature control method for a variable temperature chamber, comprising:
acquiring the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
controlling the wind direction of return air of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, wherein the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first connecting air channel between the temperature-changing chamber and the refrigerating chamber;
when the first air door is opened, returning air from the refrigerating chamber enters the temperature-changing chamber;
when the second air door is opened, the return air of the refrigerating chamber enters the evaporator.
Further, the method also comprises the following steps:
acquiring the internal temperature of the temperature-variable chamber;
controlling the opening and closing states of a first air door, a second air door and a third air door according to the internal temperature of the temperature-changing chamber, the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
and the third air door is arranged at one end, close to the temperature-changing chamber, of a second communication air channel between the evaporator and the temperature-changing chamber.
Further, the variable temperature chamber is set for the temperature in the first temperature interval, according to the variable temperature chamber inside temperature, the variable temperature chamber is set for the temperature and the refrigerating chamber is set for the temperature control first air door, the second air door and the third air door open and close state, including:
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber and the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
Further, the variable temperature chamber is set for the temperature in the first temperature interval, according to the variable temperature chamber inside temperature, the variable temperature chamber is set for the temperature and the refrigerating chamber is set for the temperature control first air door, the second air door and the third air door open and close state, including:
if the set temperature of the temperature-varying chamber is lower than the set temperature of the refrigerating chamber and the temperature in the temperature-varying chamber is higher than the set temperature of the temperature-varying chamber, controlling a first air door to be closed, a second air door to be opened and a third air door to be opened;
if the set temperature of the temperature-changing chamber is lower than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
Further, the first temperature range is 0-10 ℃.
Further, the variable temperature chamber is set for the temperature in the second temperature interval, according to the variable temperature chamber inside temperature, the variable temperature chamber is set for the temperature and the refrigerating chamber is set for the temperature control first air door, the second air door and the third air door open and close state, including:
if the internal temperature of the temperature-changing chamber is higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
Further, the variable temperature chamber is set for the temperature in the second temperature interval, according to the variable temperature chamber inside temperature, the variable temperature chamber is set for the temperature and the refrigerating chamber is set for the temperature control first air door, the second air door and the third air door open and close state, including:
if the internal temperature of the temperature-changing chamber is lower than the minimum value of the second temperature interval, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
Further, the variable temperature chamber is set for the temperature in the second temperature interval, according to the variable temperature chamber inside temperature, the variable temperature chamber is set for the temperature and the refrigerating chamber is set for the temperature control first air door, the second air door and the third air door open and close state, including:
if the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber and the internal temperature of the temperature-changing chamber is not higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
Further, the second temperature range is 0 ℃ to-7 ℃.
In a third aspect, the present application provides a temperature control device for a variable temperature chamber, comprising:
the acquisition module is used for acquiring the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the control module is used for controlling the wind direction of return air of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, and the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first connecting air channel between the temperature-changing chamber and the refrigerating chamber;
when the first air door is opened, returning air from the refrigerating chamber enters the temperature-changing chamber;
when the second air door is opened, the return air of the refrigerating chamber enters the evaporator.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the refrigerator and the temperature control method and device of the variable temperature chamber provided by the embodiment of the invention are characterized in that the refrigerator comprises a variable temperature chamber, a refrigerating chamber and an evaporator for refrigerating the variable temperature chamber and the refrigerating chamber, a first connecting air channel is arranged between the variable temperature chamber and the refrigerating chamber, one end of the first connecting air channel, which is close to the variable temperature chamber, is provided with a first air door and a second air door for controlling the output air direction of the first connecting air channel, when the first air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the variable temperature chamber, when the second air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the evaporator, the return air of the refrigerating chamber is introduced into the variable temperature chamber, the return air of the refrigerating chamber is used as the inlet air of the variable temperature chamber, an auxiliary heater is not required to be arranged, the power consumption is reduced, the return air of the refrigerating chamber is directly returned to the evaporator through the second air door, the on-off ratio of a compressor can be reduced, the energy-saving effect is obvious, and the refrigerating chamber and the temperature-changing chamber share one communicating air duct, so that a refrigerating function is realized without a separate air duct system of the temperature-changing chamber, and the design of the air duct is simplified.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present application.
Fig. 2 is a flowchart of a temperature control method of a variable temperature chamber according to an embodiment of the present application.
Fig. 3 is a flowchart of a temperature control method of a variable temperature chamber according to another embodiment of the present application.
Fig. 4 is a flowchart of a temperature control method of a variable temperature chamber according to another embodiment of the present application.
Fig. 5 is a functional block diagram of a temperature control device of a variable temperature chamber according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present application, and as shown in fig. 1, the refrigerator includes:
a temperature-changing chamber 1, a refrigerating chamber 2, and an evaporator 3 for refrigerating the temperature-changing chamber and the refrigerating chamber;
a first ventilating duct 4 is arranged between the temperature-changing chamber 1 and the refrigerating chamber 2;
one end of the first ventilating duct 4 close to the temperature-changing chamber 1 is provided with a first air door 5 and a second air door 6 which are used for controlling the output wind direction of the first ventilating duct 4;
when the first air door 5 is opened, the return air of the refrigerating chamber in the first connecting air channel 4 enters the temperature-changing chamber 1;
when the second damper 6 is opened, the return air of the refrigerating chamber in the first communicating path 4 enters the evaporator 3.
The traditional refrigerator compartment is generally divided into a refrigerating chamber, a temperature-changing chamber and a freezing chamber, the refrigerating chamber, the temperature-changing chamber and the freezing chamber are respectively provided with independent air ducts, the air ducts are complex in result, the temperature of the temperature-changing chamber is between 10 ℃ and 7 ℃, the temperature of the temperature-changing chamber is difficult to control, when the temperature-changing chamber is set to be at a higher temperature, in order to inhibit the influence of the freezing chamber on the heat conduction of the temperature-changing chamber, an auxiliary heater is needed to adjust the temperature of the temperature-changing chamber, particularly, when the temperature-changing chamber is used for refrigerating, the heater needs to be frequently started and stopped, great energy consumption is generated, and the user experience is influenced.
In the embodiment, the refrigerator comprises a temperature-changing chamber, a refrigerating chamber and an evaporator for refrigerating the temperature-changing chamber and the refrigerating chamber, a first connecting air channel is arranged between the temperature-changing chamber and the refrigerating chamber, one end of the first connecting air channel, which is close to the temperature-changing chamber, is provided with a first air door and a second air door for controlling the direction of air output by the first connecting air channel, when the first air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the temperature-changing chamber, when the second air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the evaporator, the return air of the refrigerating chamber is introduced into the temperature-changing chamber, the return air of the refrigerating chamber is used as the inlet air of the temperature-changing chamber, an auxiliary heater is not required to be arranged, the power consumption is reduced, the return air of the refrigerating chamber directly returns the return air to the evaporator through the second air door, the on-off ratio of a compressor can be reduced, the energy-saving effect is obvious, and the refrigerating chamber and the temperature-changing chamber share one communicating air channel, the independent air duct system of the temperature changing chamber is not needed to realize the refrigeration function, and the air duct design is simplified.
In some embodiments, the refrigerator further comprises:
and a controller (not shown) for controlling the open/close state of the first damper 5 and the second damper 6 according to the comparison result between the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber.
In some embodiments, as shown in fig. 1, the refrigerator further includes:
a second communicating air duct 7 provided between the evaporator 3 and the temperature-changing chamber 1;
a third air door 8 is arranged at one end of the second communicating air channel 7 close to the temperature-changing chamber 1;
the controller (not shown) is also used for controlling the open/close state of the third damper 8 according to the comparison result of the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber.
The temperature sensor 9 is arranged in the temperature-changing chamber 1, and is used for acquiring the internal temperature of the temperature-changing chamber;
the controller (not shown in the figure) is also used for controlling the opening and closing states of the first damper 5, the second damper 6 and the third damper 8 according to the comparison result of the temperature inside the temperature-changing chamber and the set temperature of the temperature-changing chamber.
The first damper 5 and the second damper 6 are one-to-two dampers.
One drags two air door structures to make wind channel simple structure, and opening or closing of first air door controls whether cold-stored return air gets into the temperature-changing room, and opening or closing of second air door controls whether cold-stored return air gets into the evaporimeter, and when the second air door was opened, cold-stored return air got back to the evaporimeter, and when the second air door was closed, cold-stored return air got back to the temperature-changing room, maintained the state of temperature-changing room in the walk-in room.
In the embodiment, the air duct is simple in structure through the one-driving-two air door structure, one air door is used for refrigerating return air to the temperature-changing chamber, and the other air door is used for supplementing cold energy to the evaporator, so that the temperature control of the temperature-changing chamber is simplified, and the cold energy is favorably recycled.
Fig. 2 is a flowchart of a temperature-variable chamber temperature control method according to an embodiment of the present application, and as shown in fig. 2, the temperature-variable chamber temperature control method includes:
s21: acquiring the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
s22: controlling the wind direction of return air of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, wherein the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first ventilation channel between the temperature-changing chamber and the refrigerating chamber; when the first air door is opened, returning air from the refrigerating chamber enters the temperature-changing chamber; when the second air door is opened, the return air of the refrigerating chamber enters the evaporator.
In this embodiment, through the wind direction through first air door or second air door control cold-storage room return air according to temperature setting of temperature-changing room and walk-in room temperature setting, an air door is used for cold-stored return air to temperature-changing room, and an air door is used for supplementing cold volume to the evaporimeter, simplifies temperature control of temperature-changing room to be favorable to the recovery of cold volume to recycle, need not the independent air duct system of temperature-changing room and realize cold-stored function, simplify the wind channel design.
An embodiment of the present invention provides another temperature control method for a temperature-varying chamber, as shown in a flowchart in fig. 3, and as shown in fig. 3, the temperature control method for a temperature-varying chamber includes:
s31: acquiring the internal temperature of the temperature-variable chamber;
s32: controlling the opening and closing states of a first air door, a second air door and a third air door according to the internal temperature of the temperature-varying chamber, the set temperature of the temperature-varying chamber and the set temperature of the refrigerating chamber; the third air door is arranged at one end, close to the temperature-changing chamber, of a second communication air channel between the evaporator and the temperature-changing chamber.
In some embodiments, as shown in fig. 4, the controlling the opening and closing states of the first damper, the second damper, and the third damper according to the temperature inside the variable temperature chamber, the temperature set in the variable temperature chamber, and the temperature set in the refrigerating compartment, in the first temperature range, for example, 0 ℃ to 10 ℃, includes:
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber and the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the set temperature of the temperature-variable chamber is lower than the set temperature of the refrigerating chamber and the internal temperature of the temperature-variable chamber is higher than the set temperature of the temperature-variable chamber, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the set temperature of the temperature-variable chamber is lower than the set temperature of the refrigerating chamber, and the temperature in the temperature-variable chamber reaches the set temperature of the temperature-variable chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
In some embodiments, the variable temperature chamber setting temperature is, for example, 0 ℃ to-7 ℃ in the second temperature range, and the opening and closing states of the first damper, the second damper, and the third damper are controlled according to the temperature inside the variable temperature chamber, the variable temperature chamber setting temperature, and the refrigerating chamber setting temperature, and include:
if the internal temperature of the temperature-variable chamber is higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the internal temperature of the temperature-changing chamber is lower than the minimum value of the second temperature interval, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber and the internal temperature of the temperature-changing chamber is not higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the temperature in the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
In this embodiment, the third air door is opened when the walk-in temperature is higher than the temperature setting for the temperature-varying chamber, when the temperature-varying chamber adjusts the walk-in use, the second air door, the third air door is closed, first air door is opened, cold-stored return air gets into the temperature-varying chamber, when the temperature-varying chamber adjusts to-7 ℃, first air door is closed, the second air door, the third air door is opened, be used for cold-stored return air respectively and supply cold volume to the temperature-varying chamber, moreover, the steam generator is simple in structure, control logic is simple, the cold-stored return air reutilization technology is facilitated, and energy consumption is reduced.
An embodiment of the present invention provides a refrigerant quantity control apparatus of a refrigerator, as shown in a functional diagram of fig. 5, the refrigerant quantity control apparatus of the refrigerator includes:
an obtaining module 51, configured to obtain a set temperature of the temperature-changing chamber and a set temperature of the refrigerating chamber;
the control module 52 is used for controlling the wind direction of the return wind of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, and the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first connecting air channel between the temperature-changing chamber and the refrigerating chamber;
when the first air door is opened, returning air in the refrigerating chamber enters the temperature-changing chamber;
when the second air door is opened, the return air of the refrigerating chamber enters the evaporator.
In some embodiments, the obtaining module 51 is further configured to:
acquiring the internal temperature of the temperature-variable chamber;
in some embodiments, the control module 52 is further configured to:
controlling the opening and closing states of the first air door, the second air door and the third air door according to the internal temperature of the temperature-changing chamber, the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the third air door is arranged at one end, close to the temperature-changing chamber, of a second communication air channel between the evaporator and the temperature-changing chamber.
The method specifically comprises the following steps:
the variable temperature room is set for the temperature and is in first temperature interval, according to the switching state of the inside temperature of variable temperature room, variable temperature room set for the temperature and the first air door of refrigerating room set for the temperature control, second air door and third air door includes:
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber and the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the set temperature of the temperature-variable chamber is lower than the set temperature of the refrigerating chamber and the internal temperature of the temperature-variable chamber is higher than the set temperature of the temperature-variable chamber, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the set temperature of the temperature-changing chamber is lower than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
The first temperature range is, for example, 0 ℃ to 10 ℃.
The variable temperature room is set for the temperature and is in the second temperature interval, according to the switching state of the inside temperature of variable temperature room, variable temperature room set for the temperature and the fridge set for the temperature control first air door, second air door and third air door includes:
if the internal temperature of the temperature-changing chamber is higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the internal temperature of the temperature-changing chamber is lower than the minimum value of the second temperature interval, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
If the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber and the internal temperature of the temperature-changing chamber is not higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
The second temperature range is, for example, 0 ℃ to-7 ℃.
In the embodiment, the set temperature of the temperature-variable chamber and the set temperature of the refrigerating chamber are acquired by the acquisition module, the control module controls the wind direction of the return air of the refrigerating chamber through the first air door or the second air door according to the set temperature of the temperature-variable chamber and the set temperature of the refrigerating chamber, the first air door and the second air door are arranged at one end, close to the temperature-variable chamber, of the first connecting air channel between the temperature-variable chamber and the refrigerating chamber, when the first air door is opened, the return air of the refrigerating chamber enters the temperature-variable chamber, when the second air door is opened, the return air of the refrigerating chamber enters the evaporator, the return air of the refrigerating chamber is introduced into the temperature-variable chamber, the return air of the refrigerating chamber is used as the inlet air of the temperature-variable chamber, an auxiliary heater is not required to be arranged, the power consumption is reduced, the return air of the refrigerating chamber directly returns to the evaporator through the second air door, the on-off ratio of the compressor can be reduced, the energy-saving effect is obvious, and the refrigerating chamber and the temperature-variable chamber and the refrigerating chamber share one connecting air channel, the independent air duct system of the temperature changing chamber is not needed to realize the refrigeration function, and the air duct design is simplified.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. 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.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
It should be noted that the present invention is not limited to the above-mentioned preferred embodiments, and those skilled in the art can obtain other products in various forms without departing from the spirit of the present invention, but any changes in shape or structure can be made within the scope of the present invention with the same or similar technical solutions as those of the present invention.
Claims (11)
1. A refrigerator, characterized by comprising:
the refrigerator comprises a temperature-changing chamber, a refrigerating chamber and an evaporator for refrigerating the temperature-changing chamber and the refrigerating chamber;
a first connecting air channel is arranged between the temperature-changing chamber and the refrigerating chamber;
one end of the first connecting air channel, which is close to the temperature-changing chamber, is provided with a first air door and a second air door which are used for controlling the output wind direction of the first connecting air channel;
when the first air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the temperature-changing chamber;
when the second air door is opened, the return air of the refrigerating chamber in the first connecting air channel enters the evaporator;
further comprising: the controller is used for controlling the opening and closing states of the first air door and the second air door according to the comparison result of the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
further comprising: a second communication air duct arranged between the evaporator and the temperature change chamber;
a third air door is arranged at one end, close to the temperature-changing chamber, of the second communicating air channel;
the controller is also used for controlling the opening and closing states of the third air door according to the comparison result of the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the temperature-variable chamber is set to be in a first temperature range, and if the temperature-variable chamber is set to be higher than the temperature set in the refrigerating chamber and the temperature in the temperature-variable chamber is higher than the temperature set in the temperature-variable chamber, the first air door, the second air door and the third air door are controlled to be opened, closed;
if the set temperature of the temperature-variable chamber is higher than the set temperature of the refrigerating chamber, and the temperature inside the temperature-variable chamber reaches the set temperature of the temperature-variable chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
2. The refrigerator according to claim 1, further comprising:
the temperature sensor is arranged in the temperature changing chamber and is used for acquiring the internal temperature of the temperature changing chamber;
the controller is also used for controlling the opening and closing states of the first air door, the second air door and the third air door according to the comparison result of the internal temperature of the temperature-changing chamber and the set temperature of the temperature-changing chamber.
3. The refrigerator according to claim 1, further comprising:
the first air door and the second air door are one-driving-two air doors.
4. A temperature control method of a variable temperature chamber, which is applied to the refrigerator according to any one of claims 1 to 3, comprising:
acquiring the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
controlling the wind direction of return air of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, wherein the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first connecting air channel between the temperature-changing chamber and the refrigerating chamber;
when the first air door is opened, returning air from the refrigerating chamber enters the temperature-changing chamber;
when the second air door is opened, returning air of the refrigerating chamber enters the evaporator;
acquiring the internal temperature of the temperature-changing chamber;
controlling the opening and closing states of a first air door, a second air door and a third air door according to the internal temperature of the temperature-changing chamber, the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the third air door is arranged at one end, close to the temperature-changing chamber, of a second communication air channel between the evaporator and the temperature-changing chamber;
the variable temperature chamber is set for the temperature and is in first temperature interval, according to the switching state of the inside temperature of variable temperature chamber, variable temperature chamber set for the temperature and the first air door of refrigerating room set for the temperature control, second air door and third air door, include:
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber and the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
5. The variable temperature chamber temperature control method according to claim 4, wherein the variable temperature chamber set temperature is in a first temperature range, and the controlling of the open/close states of the first damper, the second damper, and the third damper according to the variable temperature chamber internal temperature, the variable temperature chamber set temperature, and the refrigerating room set temperature includes:
if the set temperature of the temperature-variable chamber is lower than the set temperature of the refrigerating chamber and the internal temperature of the temperature-variable chamber is higher than the set temperature of the temperature-variable chamber, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the set temperature of the temperature-changing chamber is lower than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
6. The temperature change chamber temperature control method according to claim 4 or 5, wherein the first temperature range is 0 ℃ to 10 ℃.
7. The variable temperature chamber temperature control method according to claim 4, wherein the variable temperature chamber set temperature is in a second temperature range, and the controlling of the open/close states of the first damper, the second damper, and the third damper according to the variable temperature chamber internal temperature, the variable temperature chamber set temperature, and the refrigerating room set temperature includes:
if the internal temperature of the temperature-changing chamber is higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
8. The temperature-varying chamber control method according to claim 4, wherein the temperature-varying chamber setting temperature is in a second temperature range, and the controlling of the open/close states of the first damper, the second damper, and the third damper according to the temperature inside the temperature-varying chamber, the temperature-varying chamber setting temperature, and the refrigerating chamber setting temperature includes:
if the internal temperature of the temperature-changing chamber is lower than the minimum value of the second temperature interval, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
9. The variable temperature chamber temperature control method according to claim 4, wherein the variable temperature chamber set temperature is in a second temperature range, and the controlling of the open/close states of the first damper, the second damper, and the third damper according to the variable temperature chamber internal temperature, the variable temperature chamber set temperature, and the refrigerating room set temperature includes:
if the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber and the internal temperature of the temperature-changing chamber is not higher than the maximum value of the second temperature interval, controlling the first air door to be closed, the second air door to be opened and the third air door to be opened;
if the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
10. The temperature change chamber temperature control method according to any one of claims 7 to 9, wherein the second temperature range is 0 ℃ to-7 ℃.
11. A temperature control device for a variable temperature chamber, comprising:
the acquisition module is used for acquiring the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the control module is used for controlling the wind direction of return air of the refrigerating chamber through a first air door or a second air door according to the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber, and the first air door and the second air door are arranged at one end, close to the temperature-changing chamber, of a first connecting air channel between the temperature-changing chamber and the refrigerating chamber;
when the first air door is opened, returning air from the refrigerating chamber enters the temperature-changing chamber;
when the second air door is opened, returning air of the refrigerating chamber enters the evaporator;
the acquisition module is also used for acquiring the internal temperature of the temperature-changing chamber;
the control module is also used for controlling the opening and closing states of the first air door, the second air door and the third air door according to the internal temperature of the temperature-changing chamber, the set temperature of the temperature-changing chamber and the set temperature of the refrigerating chamber;
the third air door is arranged at one end, close to the temperature-changing chamber, of a second communication air channel between the evaporator and the temperature-changing chamber;
the variable temperature chamber is set for the temperature and is in first temperature interval, according to the switching state of the inside temperature of variable temperature chamber, variable temperature chamber set for the temperature and the first air door of refrigerating room set for the temperature control, second air door and third air door, include:
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber and the internal temperature of the temperature-changing chamber is higher than the set temperature of the temperature-changing chamber, controlling the first air door to be opened, the second air door to be closed and the third air door to be closed;
if the set temperature of the temperature-changing chamber is higher than the set temperature of the refrigerating chamber, and the internal temperature of the temperature-changing chamber reaches the set temperature of the temperature-changing chamber, the first air door is controlled to be closed, the second air door is controlled to be opened, and the third air door is controlled to be closed.
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| CN202111188046.7A CN113883798B (en) | 2021-10-12 | 2021-10-12 | Refrigerator and temperature control method and device for temperature changing chamber |
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| CN202111188046.7A CN113883798B (en) | 2021-10-12 | 2021-10-12 | Refrigerator and temperature control method and device for temperature changing chamber |
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| CN202470584U (en) * | 2012-02-24 | 2012-10-03 | 海尔集团公司 | Cold air distribution device and refrigerator |
| CN102564007B (en) * | 2012-03-09 | 2014-05-21 | 合肥美的电冰箱有限公司 | Refrigerator |
| KR20130112632A (en) * | 2012-04-04 | 2013-10-14 | 동부대우전자 주식회사 | Refrigerator having changing temperature room |
| CN105042987B (en) * | 2015-08-20 | 2017-09-29 | 海信（山东）冰箱有限公司 | A kind of refrigerator temperature-changing chamber control method and device |
| CN106369914A (en) * | 2016-10-31 | 2017-02-01 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN107806733A (en) * | 2017-10-31 | 2018-03-16 | 澳柯玛股份有限公司 | Refrigerator with refrigerating chamber, refrigerating chamber and temperature-changing chamber |
| CN109764602B (en) * | 2018-12-28 | 2021-03-23 | 海尔智家股份有限公司 | Control method of refrigerator |
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