CN111623580A - Refrigerator with a door - Google Patents

Refrigerator with a door Download PDF

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Publication number
CN111623580A
CN111623580A CN202010400322.0A CN202010400322A CN111623580A CN 111623580 A CN111623580 A CN 111623580A CN 202010400322 A CN202010400322 A CN 202010400322A CN 111623580 A CN111623580 A CN 111623580A
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CN
China
Prior art keywords
controlling
temperature
storage
vacuum
storeroom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010400322.0A
Other languages
Chinese (zh)
Inventor
孙敬龙
潘毅广
丁龙辉
张海鹏
齐聪山
路前
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Shandong Refrigerator Co Ltd
Original Assignee
Hisense Shandong Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Priority to CN202010400322.0A priority Critical patent/CN111623580A/en
Publication of CN111623580A publication Critical patent/CN111623580A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D17/062—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 in household refrigerators
    • F25D17/065—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 in household refrigerators with compartments at different temperatures
    • 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
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • 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
    • F25D29/005—Mounting of control devices
    • 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
    • F25D2201/00—Insulation
    • F25D2201/30—Insulation with respect to sound
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

An embodiment of the present application provides a refrigerator, provided with a refrigeration system, a vacuum pump, a storage space and a controller therein, the storage space being provided with a vacuum chamber therein, the controller being configured to: after starting the vacuum pump, acquiring the vacuum degree in the vacuum chamber; if the acquired vacuum degree reaches a first vacuum degree threshold value, controlling to close the vacuum pump; after the vacuum pump is closed, controlling to start a refrigerating system to refrigerate the storage space; and if the temperature of the refrigerated storage space meets the set temperature requirement, controlling to close the refrigeration system. The controller controls according to the process, and the noise of the refrigerator is effectively reduced.

Description

Refrigerator with a door
Technical Field
The application relates to the technical field of refrigerators, in particular to a refrigerator.
Background
Along with the improvement of the preservation requirements of people on food materials and the like, a vacuum preservation technology is applied to a refrigerator, so that the refrigerator has a vacuum preservation function, specifically, a vacuum pump is introduced into the refrigerator, a vacuum chamber is arranged, the vacuum chamber is vacuumized through the vacuum pump, and the vacuum degree in the vacuum chamber requires the vacuum preservation requirements of the food materials.
However, the existing refrigerator with the vacuum fresh-keeping function has the problem of large noise when in operation. Therefore, how to reduce the noise of the refrigerator is an urgent technical problem to be solved in the prior art.
Disclosure of Invention
The embodiment of the application provides a refrigerator, and then can reduce the noise of refrigerator at least to a certain extent.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
In a first embodiment of the present application, there is provided a refrigerator provided with a refrigeration system, a vacuum pump, a storage space provided with a vacuum chamber therein, and a controller configured to: after the vacuum pump is started, acquiring the vacuum degree in the vacuum chamber; if the acquired vacuum degree reaches a first vacuum degree threshold value, controlling to close the vacuum pump; after the vacuum pump is turned off, controlling to start the refrigerating system to refrigerate the storage space; and if the temperature of the storage space after refrigeration meets the set temperature requirement, controlling to close the refrigeration system. Because the refrigerating system is started to refrigerate the storage space after the vacuum pump is closed, the working time of the vacuum pump and the working time of the refrigerating system are staggered, and the noise of the refrigerator can be effectively reduced.
In the refrigerator provided in the second embodiment of the present application, after the step of acquiring the vacuum degree of the vacuum chamber after the vacuum pump is started, the controller is further configured to: and if the vacuum degree reaches a second vacuum degree threshold value and is smaller than the first vacuum degree threshold value, controlling to reduce the rotating speed of the vacuum pump, wherein the second vacuum degree threshold value is smaller than the first vacuum degree threshold value. The rotating speed of the vacuum pump and the noise are in a positive correlation relationship, namely the higher the rotating speed of the vacuum pump is, the larger the noise generated by the vacuum pump is, when the vacuum degree of the vacuum chamber reaches the second vacuum degree, the rotating speed of the vacuum pump is controlled to be reduced, and correspondingly, the noise generated by the vacuum pump is reduced. And because the rotating speed of the refrigerator vacuum pump is reduced under the condition of ensuring a certain vacuum degree in the vacuum chamber, the food storage condition in the vacuum chamber can be ensured to a certain extent.
In the refrigerator provided in the third embodiment of the present application, in the controlling to reduce the rotation speed of the vacuum pump, the controller is configured to: and controlling to adjust the rotating speed of the vacuum pump from a first rotating speed to a second rotating speed, wherein the first rotating speed is greater than the second rotating speed. That is to say, when the vacuum degree is smaller than the second vacuum degree threshold value, the vacuum pump is controlled to operate according to the first rotating speed, and when the vacuum degree is between the second vacuum degree threshold value and the first vacuum degree threshold value, the vacuum pump is controlled to operate according to the second rotating speed, so that the rotating speed of the vacuum pump is adjusted according to the vacuum degree.
In the refrigerator provided in the fourth embodiment of the present application, the storage space includes at least two storage compartments, and before the step of controlling to start the refrigeration system to refrigerate the storage compartments, the controller is further configured to: acquiring the current power-on time of the refrigerator and the last power-off time of the refrigerator; calculating a power-off interval according to the current power-on time and the last power-off time; if the power-off interval exceeds a first time threshold, in the step of controlling to start the refrigeration system to refrigerate the storage space, the controller is configured to: and controlling the refrigerating system to sequentially refrigerate the at least two storage rooms according to a set refrigerating sequence, wherein the refrigerating system only refrigerates one storage room at the same time.
And when the power-off interval exceeds the first time threshold value, indicating that the power-off time of the refrigerator is longer. Because the outage time is longer, correspondingly, the temperature of each storeroom in the refrigerator is higher, at this moment, directly refrigerate each storeroom in proper order according to the refrigeration order of setting for to reduce the temperature in each storeroom fast. In addition, the refrigerating system only refrigerates one storeroom at the same time, so that the problem of high noise caused by the fact that a plurality of storerooms simultaneously refrigerate due to the fact that a plurality of electrical appliances are operated simultaneously is solved.
In the refrigerator provided by the fifth embodiment of the present application, the refrigeration system includes a compressor and fans respectively provided for each storage chamber, and in the step of controlling the refrigeration system to sequentially refrigerate the at least two storage chambers in a set refrigeration order, the controller is configured to: controlling to start the compressor; and starting the fans corresponding to the storerooms in sequence according to the set refrigeration sequence, wherein only one fan corresponding to one storeroom operates at the same time. In this embodiment, the refrigeration system performs refrigeration by a compressor and a fan, wherein the fan is used to accelerate the gas flowing speed in the channel, thereby accelerating the heat exchange speed and increasing the refrigeration speed. Based on the above, in the process of starting the compressor to refrigerate, the fans corresponding to the storerooms are sequentially started according to the set refrigeration sequence, and only one fan corresponding to one storeroom is controlled to operate at the same time, so that the purpose of sequentially refrigerating each storeroom is achieved.
In a refrigerator provided in a sixth embodiment of the present application, the sequentially starting the blower corresponding to each storage chamber according to a set refrigeration order includes: determining a next target storage room to be refrigerated according to the set refrigeration sequence; and when a first pause condition of the fan corresponding to the current target storage room which is refrigerating is reached, controlling to pause the operation of the fan corresponding to the current target storage room and controlling to start the fan corresponding to the next target storage room.
In a refrigerator provided by a seventh embodiment of the present application, the set temperature requirement includes a temperature range respectively set for each storage compartment, the temperature range includes an upper temperature threshold, and in the step of controlling to activate the refrigeration system to refrigerate the storage space, the controller is further configured to: after the storage chambers are respectively refrigerated for one time according to the set refrigeration sequence, calculating the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold; determining the highest temperature difference according to the temperature difference corresponding to each storage chamber; if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom, controlling to start the fan corresponding to the target storeroom and controlling to close the fans corresponding to other storerooms except the target storeroom; and when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, controlling to close the fan corresponding to the target storeroom, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
In the refrigerator provided by the eighth embodiment of the present application, the set temperature requirement includes a temperature range respectively set for each storage room, the temperature range includes an upper temperature threshold, the power-off interval does not exceed a first time threshold, and in the step of controlling to activate the refrigeration system to refrigerate the storage space, the controller is configured to: calculating the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold value; determining the highest temperature difference according to the temperature difference corresponding to each storage chamber; if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom; controlling to start the fan corresponding to the target storage room and controlling to close the fans corresponding to other storage rooms except the target storage room; and when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, controlling to close the fan corresponding to the target storeroom, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
In the refrigerator provided in the ninth embodiment of the present application, the controller is further configured to, after the step of determining the highest temperature difference for the temperature difference corresponding to the compartment: if the highest temperature difference does not exceed zero, determining that the temperature of each storage chamber reaches the corresponding temperature range; in the controlling to turn off the refrigeration system, the controller is configured to: and controlling to close the compressor and controlling to close the fan corresponding to the current target storage room which is refrigerating.
In a refrigerator provided in a tenth embodiment of the present application, after the step of controlling to turn off the refrigeration system, the controller is further configured to: and if the starting condition of the vacuum pump is reached, controlling to start the vacuum pump again.
In the refrigerator that this application first embodiment provided, just start refrigerating system and refrigerate after the vacuum pump is closed, make the operating time of vacuum pump stagger mutually with refrigerating system's operating time to, compare in vacuum pump and refrigerating system simultaneous working, greatly reduced the noise of refrigerator. And because the closing is controlled when the vacuum degree of the vacuum chamber reaches the first vacuum degree threshold value, and the closing of the refrigerating system is controlled when the temperature of the storage space meets the set temperature requirement, the construction of the low-temperature environment and the vacuum environment of the refrigerator is effectively ensured, and the noise of the refrigerator is reduced under the condition that the normal function of the refrigerator is not influenced.
In the second and third embodiments of the present application, the rotation speed of the vacuum pump is adjusted according to the vacuum degree, when the vacuum degree is high, the rotation speed of the vacuum pump is reduced, the rotation speed is reduced, the noise generated by the vacuum pump is reduced, and correspondingly, the noise of the refrigerator is further reduced.
In the fourth embodiment of this application, the outage interval exceeds the first time threshold and indicates that the outage time is longer, and is corresponding, because do not refrigerate for the storage space for a long time, the temperature is higher in the storage space, refrigerates for two at least storerooms in proper order through setting for the refrigeration order, can realize reducing the temperature in each storeroom fast.
In the fifth and sixth embodiments of the present application, it is achieved that each storage chamber is cooled in the air-cooled refrigerator according to a set cooling sequence and the cooling system cools only one storage chamber at a time.
In the seventh and eighth embodiments of the present application, the temperature difference corresponding to each storage chamber is calculated, and then the storage chamber corresponding to the highest temperature difference is used as the target storage chamber to be refrigerated, thereby flexibly adjusting the refrigeration sequence of each storage chamber according to the temperature difference.
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. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic perspective view of a refrigerator according to an embodiment;
FIG. 2 is a schematic diagram of a refrigeration system according to an embodiment;
FIG. 3 is a flow chart illustrating control by a controller in a refrigerator according to one embodiment;
fig. 4 is a flowchart illustrating control by the controller according to another embodiment.
Wherein the reference numerals are:
100. a box body; 200. a door body; 210. a door body shell; 220. an inner container; 230. an upper end cover; 240. a lower end cover; 400. a vacuum fresh-keeping device; 10. a refrigeration system; a compressor 21; 14a, 14 b-capillary; 15a, 15 b-an evaporator; 17-a three-way valve; 18-a one-way valve; 19-a dryer; 13-a refrigerant merging port; 20-piping; 17-a three-way valve; 17a, 17 b-outflow openings.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
Fig. 1 is a perspective view of an embodiment of a refrigerator according to the present application. Referring to fig. 1, the refrigerator of the present embodiment has an approximately rectangular parallelepiped shape, and the refrigerator includes a cabinet 100 defining a storage space, and a plurality of door bodies 200 disposed at an opening of the cabinet 100, wherein the door bodies 200 include a door body housing 210 located at an outer side of the cabinet 100, a door body liner 220 located at an inner side of the cabinet 100, an upper end cap 230, a lower end cap 240, and a heat insulating layer located between the door body housing 210, the door body liner 220, the upper end cap 230, and the lower end cap 240; typically, the thermal insulation layer is filled with a foam material.
The cabinet 100 is provided with a chamber including a component storage chamber for storing components in the refrigerator, such as a compressor, etc., and a storage space for storing food, etc. The storage space may be divided into a plurality of storage chambers, and the storage chambers may be configured as a refrigerating chamber, a freezing chamber, and a temperature-variable chamber (also referred to as a fresh-keeping chamber) according to their applications. One or more door bodies are associated with each storage compartment, for example, in fig. 1, the storage compartment in the upper part is provided with double door bodies. The door body can be pivotally arranged at the opening of the box body and can be opened in a drawer mode so as to achieve drawer type storage.
With continued reference to fig. 1, a vacuum refreshing apparatus 400 is detachably disposed on the door 200 (specifically, the door of the refrigerating chamber), the vacuum refreshing apparatus 400 provides a vacuum storage environment for the stored articles, and meanwhile, when the door with the vacuum refreshing apparatus is covered on the box, the vacuum refreshing apparatus 400 is equivalent to being located in the refrigerating chamber.
Wherein, the vacuum refreshing apparatus 400 includes a box body and a vacuum pumping assembly. The box body is approximately cuboid, and a vacuum chamber is formed in the box body and used for storing objects; the box body is detachably connected with the door body, so that the box body can be conveniently taken down from the door body 200 and is convenient to carry.
The vacuumizing assembly is detachably communicated with the vacuum chamber through a pipeline and is used for vacuumizing the vacuum chamber so as to enable the interior of the vacuum chamber to reach a vacuum state. When the vacuum chamber needs to be vacuumized, the vacuumizing assembly is communicated with the vacuum chamber through a pipeline; when the vacuum chamber is not required to be vacuumized or the box body is required to be taken down from the door body, the vacuumizing assembly is separated from the vacuum chamber.
Wherein, in order to guarantee the low temperature environment in the storage space in the refrigerator, still be equipped with refrigerating system in the refrigerator. In the air-cooled refrigerator, the refrigeration system includes at least a compressor and a blower fan, and may further include a condenser, an evaporator, and the like.
Fig. 2 is a diagram showing a freezing cycle of the refrigerating system 10 in the air-cooling type refrigerator according to an embodiment. As shown in fig. 2, the refrigeration system 10 includes a compressor 21 for compressing a refrigerant, capillary tubes (14a and 14b) for decompressing the refrigerant, evaporators (15a and 15b) as heat absorbing means, a three-way valve 17 for controlling a refrigerant flow path, a check valve 18 for preventing backflow of the refrigerant, a dryer 19 for removing moisture in a refrigeration cycle, and a refrigerant junction port 13 for connecting the refrigerant flow paths, and the refrigerant is circulated by connecting them via a pipe 20 to form a refrigeration cycle. In the process, the fans respectively arranged for each storage room are used for accelerating the air flow rate, so that the evaporator is accelerated to absorb heat, and the refrigerating speed of the storage rooms is increased.
In fig. 2, the three-way valve 17 has an outflow port 17a and an outflow port 17 b. When the three-way valve 17 is controlled to open the outlet 17a, the refrigerant flows through the capillary tube 14a, the evaporator 15a, the gas-liquid separator 16a, and the refrigerant junction 13 in this order, and then returns to the compressor 21. After passing through capillary tube 14a, the low-pressure and low-temperature refrigerant flows through evaporator 15a, exchanges heat with evaporator 15a and the air in refrigerating room 2, and cools refrigerating room 2.
Similarly, when the three-way valve 17 is controlled to open the outlet 17b, the refrigerant flows through the capillary tube 14b, the evaporator 15b, the gas-liquid separator 16b, and the refrigerant junction 13 in this order, and then returns to the compressor 21. After passing through capillary tube 14b, the low-pressure and low-temperature refrigerant flows through evaporator 15b, exchanges heat with evaporator 15b and the air in freezing chamber 7, and cools freezing chamber 7.
It should be noted that the refrigerator shown in fig. 1 and the refrigeration system shown in fig. 2 are merely exemplary and should not be construed as limiting the scope of application of the present invention.
Fig. 3 shows a flowchart of the controller controlling the refrigerator. In an embodiment of the present application, a vacuum pump, a refrigeration system, a controller, and a storage compartment are provided in a refrigerator, the vacuum pump and the refrigeration system being controlled by the controller, the storage compartment having a vacuum drawer provided therein, the controller being configured to perform the steps of:
step 310, after the vacuum pump is started, the vacuum degree in the vacuum chamber is obtained.
The vacuum degree refers to the degree of rareness of the gas in a vacuum state, and is equal to a value that the actual value of the system pressure is lower than the atmospheric pressure, namely: vacuum degree is atmospheric pressure-system actual pressure. The degree of vacuum in the vacuum chamber is atmospheric pressure — the pressure in the vacuum chamber.
In a particular embodiment, the degree of vacuum may be obtained by measuring the pressure within the vacuum chamber and then correspondingly based on the atmospheric pressure and the measured pressure within the vacuum chamber. Wherein the pressure in the vacuum chamber can be measured by means of a pressure sensor.
In another embodiment, a vacuum degree sensor, which may be a vacuum gauge, may be further provided in the vacuum chamber, and the degree of vacuum in the vacuum chamber is detected by the vacuum degree sensor. The controller obtains the vacuum degree in the vacuum chamber from the vacuum degree sensor.
In step 330, if the obtained vacuum degree reaches a first vacuum degree threshold value, the vacuum pump is controlled to be closed.
When the vacuum degree reaches the first vacuum degree threshold value, the vacuum degree in the vacuum chamber meets the vacuum preservation condition of the vacuum chamber, and therefore, under the condition, the vacuum pump is controlled to be closed, and the vacuum chamber enters a pressure maintaining state. Otherwise, if the vacuum degree does not reach the first vacuum degree threshold value, the vacuum degree in the vacuum chamber does not meet the vacuum preservation condition, and the vacuum pump is enabled to continue to operate until the vacuum degree reaches the first vacuum degree threshold value.
And step 350, controlling to start the refrigerating system to refrigerate the storage space after the vacuum pump is turned off.
The refrigeration system is started after the vacuum pump is closed, so that the refrigeration system is in a non-operation state during the operation period of the vacuum pump; meanwhile, the vacuum pump is in a closed state in the process of being in an operating state after the refrigeration system is started. That is, for both the refrigeration system and the vacuum pump in the refrigerator, the working time of the vacuum pump and the refrigeration system is staggered, only the refrigeration system or the vacuum pump is operated at the same time, and the refrigeration system and the vacuum pump are ensured not to be in an operation state at the same time, so that compared with the situation that the refrigeration system and the vacuum pump are in an operation state at the same time, the noise generated by the refrigerator is reduced.
As described above, the storage space may include one or two or more storage compartments. If the storage space includes two or more storage compartments, the refrigeration system may refrigerate the two or more storage compartments at the same time, or refrigerate only one storage compartment at the same time, which is not limited herein.
And step 370, if the temperature of the refrigerated storage space meets the set temperature requirement, controlling to close the refrigeration system.
Wherein, be equipped with temperature sensor in the storage space of refrigerator, detect the temperature in the storage chamber through this temperature sensor.
If the storage chamber space comprises a plurality of storage chambers, each storage chamber is correspondingly provided with a temperature sensor for detecting the temperature in the storage chamber. Correspondingly, the set temperature requirement comprises a temperature range set for each storage chamber respectively, so that whether the refrigeration is required to be continued or not is judged according to the temperature range corresponding to the storage chamber.
For example, if the storage space includes a refrigerating compartment, a freezing compartment, and a temperature-varying compartment, the set temperature requirement includes temperature ranges set for the refrigerating compartment, the freezing compartment, and the temperature-varying compartment, respectively.
It should be noted that, in the case that the storage space includes two or more storage compartments, the condition that the temperature of the storage space satisfies the set temperature requirement means that the temperature of each storage compartment satisfies the corresponding temperature range. If the temperature of one storage room does not meet the corresponding temperature range, the refrigerating system is required to continuously refrigerate the storage room.
In the embodiment, the refrigeration system is started to refrigerate the storage space after the vacuum pump is closed, and the working time of the vacuum pump and the working time of the refrigeration system are staggered through the controller, so that the situation that the vacuum pump and the refrigeration system are in a running state at the same time is avoided, and the noise generated during the operation of the refrigerator is effectively reduced.
In some embodiments of the present application, after step 370, the controller is further configured to: and if the starting condition of the vacuum pump is reached, controlling to start the vacuum pump again. After the vacuum pump is started again, the process jumps to step 310, and the control of the refrigerator is realized according to the above process loop.
The start condition of the vacuum pump may be set according to a pressure holding time set by the vacuum pump, for example, after the refrigeration system is turned off, if the time reaches a pressure holding cutoff time of the vacuum pump, the vacuum pump is controlled to be started again. For example, if the vacuum pump is set to have the pressure holding time of 12 hours, after the vacuum pump is turned off, if the current time is the pressure holding cut-off time of the vacuum pump (i.e., 12 hours from the last time the vacuum pump was turned off) and the refrigeration system is in the off state, the start condition of the vacuum pump is considered to be reached.
In some embodiments of the present application, after the step of obtaining the vacuum level of the vacuum chamber after starting the vacuum pump, the controller is further configured to: and if the vacuum degree reaches a second vacuum degree threshold value and is smaller than the first vacuum degree threshold value, controlling to reduce the rotating speed of the vacuum pump, wherein the second vacuum degree threshold value is smaller than the first vacuum degree threshold value.
The rotating speed of the vacuum pump and the noise are in a positive correlation relationship, namely the higher the rotating speed of the vacuum pump is, the larger the noise generated by the vacuum pump is, when the vacuum degree of the vacuum chamber reaches the second vacuum degree, the rotating speed of the vacuum pump is controlled to be reduced, and correspondingly, the noise generated by the vacuum pump is reduced. And because the rotating speed of the refrigerator vacuum pump is reduced under the condition of ensuring a certain vacuum degree in the vacuum chamber, the food storage condition in the vacuum chamber can be ensured to a certain extent.
In some embodiments of the present application, in the controlling to reduce the rotation speed of the vacuum pump, the controller is configured to: and controlling to adjust the rotating speed of the vacuum pump from a first rotating speed to a second rotating speed, wherein the first rotating speed is greater than the second rotating speed.
That is to say, when the vacuum degree is smaller than the second vacuum degree threshold value, the vacuum pump is controlled to operate according to the first rotating speed, and when the vacuum degree is between the second vacuum degree threshold value and the first vacuum degree threshold value, the vacuum pump is controlled to operate according to the second rotating speed, so that the rotating speed of the vacuum pump is adjusted according to the vacuum degree.
In some embodiments of the present application, the storage space includes at least two storage compartments, and prior to the step of controlling activation of the refrigeration system to refrigerate the storage compartments, the controller is further configured to: acquiring the current power-on time of the refrigerator and the last power-off time of the refrigerator; calculating a power-off interval according to the current power-on time and the last power-off time;
if the power-off interval exceeds the first time threshold, in the step of controlling the refrigeration system to refrigerate the storage space, the controller is configured to: and controlling the refrigerating system to sequentially refrigerate at least two storerooms according to the set refrigerating sequence, wherein the refrigerating system only refrigerates one storeroom at the same time.
The refrigeration sequence is set for limiting the sequence of refrigeration of the at least two storage chambers. Wherein, the set refrigeration sequence can be set according to actual needs. For example, the storage space includes a refrigerating chamber, a freezing chamber and a temperature-changing chamber, and the sequence of refrigeration defined by the set refrigeration sequence (from first to last) may be: a refrigerating chamber, a freezing chamber and a temperature changing chamber; the method can also be as follows: freezing chamber, refrigerating chamber, temperature changing chamber, etc.
Further, in order to realize that the refrigeration system only refrigerates one storage room at the same time, the time duration of refrigerating each storage room may be set, wherein the time duration of refrigerating each storage room may be the same or different, and may be specifically set in combination with actual conditions, which is not specifically limited herein.
And when the power-off interval exceeds the first time threshold value, indicating that the power-off time of the refrigerator is longer. When the refrigerator is powered off for a long time, because the storage space is not refrigerated for a long time, the temperature of each storage room in the refrigerator is higher, and at the moment, the storage rooms are directly refrigerated in sequence according to the set refrigeration sequence so as to quickly reduce the temperature in the storage rooms. In addition, the refrigerating system only refrigerates one storeroom at the same time, so that the problem of high noise caused by the fact that a plurality of storerooms simultaneously refrigerate due to the fact that a plurality of electrical appliances are operated simultaneously is solved.
In some embodiments of the present application, the refrigeration system includes a compressor, and fans respectively provided for each of the storage compartments, and in the step of controlling the refrigeration system to sequentially refrigerate the at least two storage compartments in a set refrigeration order, the controller is configured to: controlling to start the compressor; and starting the fans corresponding to the storerooms in sequence according to the set refrigeration sequence, wherein only one fan corresponding to one storeroom operates at the same time.
In this embodiment, the refrigeration system performs refrigeration by a compressor and a fan, wherein the fan is used to accelerate the gas flowing speed in the channel, thereby accelerating the heat exchange speed and increasing the refrigeration speed. Based on the above, in the process of starting the compressor to refrigerate, the fans corresponding to the storerooms are sequentially started according to the set refrigeration sequence, and only one fan corresponding to one storeroom is controlled to operate at the same time, so that the purpose of sequentially refrigerating each storeroom is achieved.
In the specific embodiment, the stage of refrigerating each storage chamber according to the set refrigerating sequence may be to perform primary refrigeration for each storage chamber according to the refrigerating sequence, or may be to perform circulating refrigeration for each storage chamber according to the set refrigerating sequence, that is, at this stage, one storage chamber may perform refrigeration twice or more times.
In general, there is only one compressor provided in a refrigerator, by which all storage compartments in the refrigerator are cooled. A refrigerator is provided with a refrigerating passage for flowing a refrigerant, the refrigerating passage including a main passage in which a compressor is located and a sub-passage corresponding to each storage chamber, wherein a control valve is provided in the main passage, and the sub-passage communicated with the main passage is changed by switching the control valve.
In the embodiment, in order to avoid repeated starting and stopping of the compressor in the stage of refrigerating the storage chambers according to the set refrigerating sequence, the compressor is kept in the running state in the stage, and only one storage chamber is refrigerated at the same time by switching the control valve and starting and stopping the fan. The control valve may be a three-way valve in fig. 4, and of course, if the storage space includes three storage chambers, the control valve corresponds to a four-way valve.
For example, if the next storage room to be refrigerated is determined to be the freezing room according to the set refrigeration sequence, the control valve is controlled to be switched to a position where the sub-channel corresponding to the freezing room is communicated with the main channel, the fan corresponding to the freezing room is controlled to be started, and the fans corresponding to other storage rooms are closed, so that the refrigeration system is ensured to refrigerate only the freezing room.
In some embodiments of the present application, the sequentially starting the fans corresponding to each storage room according to the set refrigeration sequence includes: determining a next target storage room to be refrigerated according to a set refrigeration sequence; and when a first pause condition of the fan corresponding to the current target storage room which is refrigerating is reached, controlling to pause the fan corresponding to the current target storage room and controlling to start the fan corresponding to the next target storage room.
The first pause condition is a trigger condition for closing the fans corresponding to the storerooms in the refrigeration stage according to the set refrigeration sequence.
The first pause condition may be a cooling time set for each storage chamber, or a second temperature range set for each storage chamber, that is, when the temperature of the storage chamber reaches the corresponding second temperature range, the next storage chamber is cooled.
The process can be repeated, at least two storerooms can be sequentially refrigerated according to the set refrigeration sequence, only one fan is started at the same time in the refrigeration system, and the condition that noise is large due to the fact that a plurality of fans operate simultaneously in the refrigeration process is avoided.
In some embodiments of the present application, the set temperature requirement includes a temperature range set for each storage compartment separately, the temperature range including an upper temperature threshold, and in the step of controlling activation of the refrigeration system to refrigerate the storage space, the controller is further configured to:
after each storage room is respectively refrigerated once according to a set refrigeration sequence, calculating the temperature difference between the temperature of each storage room and the corresponding upper limit temperature threshold; determining the highest temperature difference according to the temperature difference corresponding to each storage chamber; if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom, controlling to start the fan corresponding to the target storeroom and controlling to close the fans corresponding to other storerooms except the target storeroom; and when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, controlling to close the fan corresponding to the target storeroom, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
The target storage room is not specific to a certain storage room, but refers to the storage room corresponding to the highest temperature difference. And if the storage room corresponding to the highest temperature difference determined by the next temperature difference calculation is changed, the target storage room is correspondingly changed.
In the present embodiment, the cooling of each storage room in the set cooling sequence corresponds to the pre-cooling stage, but since the temperature requirements of each storage room are different, for example, the lower temperature required for the freezing room is lower for the refrigerating room and the freezing room, and the time taken to cool the freezing room is inevitably greater, and if the cooling of each storage room is performed in the set cooling sequence, the cooling waiting time for the storage room requiring the lower temperature may be longer. Therefore, in the present embodiment, after the respective storage chambers are cooled once in accordance with the set cooling order, the cooling order of the respective storage chambers is flexibly adjusted in accordance with the temperature difference.
Specifically, after each storage chamber is respectively refrigerated once according to a set refrigeration sequence, the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold is calculated, the storage chamber corresponding to the highest temperature difference is used as a target storage chamber to be refrigerated, and a fan corresponding to the target storage chamber is correspondingly controlled to be started and a fan corresponding to the other storage chambers except the target storage chamber is controlled to be closed.
And then the processes of calculating the temperature difference, determining the target storage chambers and refrigerating the target storage chambers are circularly carried out until the temperature of each storage chamber reaches the corresponding temperature range.
It will be appreciated that in the event that switching of the control valves is required to achieve cooling for only one storage compartment at a time, in this embodiment, after determining the target storage compartment, the controller is further configured to: the control valve is switched to a position where the sub-passage where the target storage chamber is located communicates with the main passage.
In some embodiments of the present application, the set temperature requirement includes a temperature range respectively set for each storage compartment, the temperature range includes an upper temperature threshold, the power-off interval does not exceed a first time threshold, and in the step of controlling the refrigeration system to refrigerate the storage space, the controller is configured to: calculating the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold value; determining the highest temperature difference according to the temperature difference corresponding to each storage chamber; if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom; controlling to start the fan corresponding to the target storage room and controlling to close the fans corresponding to other storage rooms except the target storage room; and controlling to close the fan corresponding to the target storeroom when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
In this implementation, because the outage interval does not exceed the first time threshold, it indicates that the outage time of the refrigerator is short or the refrigerator is not powered off, and each storage room in the refrigerator is still in a low temperature state at this moment, and on this basis, in order to avoid the longer waiting refrigeration time, the target storage room to be refrigerated is flexibly determined directly according to the temperature difference.
Similarly, after a target storage chamber is refrigerated, the processes of calculating the temperature difference, determining the target storage chamber and refrigerating the target storage chamber are circularly carried out until the temperature of each storage chamber reaches the corresponding temperature range.
In the case where the control valve needs to be switched to achieve cooling for only one storage compartment at a time, in this embodiment, after the target storage compartment is determined, the controller is further configured to: and controlling the control valve to be switched to a position where the sub-channel where the target storage chamber is located is communicated with the main channel, so that the target storage chamber is refrigerated by combining the started fan.
In some embodiments of the present application, the controller is further configured to, after the step of determining the highest temperature difference for the corresponding temperature difference of the chamber: if the highest temperature difference does not exceed zero, determining that the temperature of each storage chamber reaches the corresponding temperature range;
in the step of controlling to shut down the refrigeration system, the controller is configured to:
and controlling to close the compressor and controlling to close the fan corresponding to the current target storage room which is refrigerating. Because only the fan corresponding to the target storage chamber is in the running state at the same time, and the compressor is in the running state in the refrigeration process, correspondingly, in order to close the refrigeration system, only the fan corresponding to the compressor and the target storage chamber needs to be controlled to be closed.
The control process of the refrigerator related to the present application will be described below with reference to a specific embodiment：
In this embodiment, the storage space of the refrigerator includes three storage compartments, which are: the refrigerator comprises a refrigerating chamber, a freezing chamber and a temperature changing chamber, wherein the vacuum chamber is arranged in the refrigerating chamber. The refrigerator is provided with a controller, a compressor, a vacuum pump, a refrigerating fan corresponding to the refrigerating chamber, a freezing fan corresponding to the freezing chamber and a temperature changing fan corresponding to the temperature changing chamber. The vacuum pump is used for vacuumizing the vacuum chamber so as to create a vacuum environment in the vacuum chamber. The controller is a main control panel provided in the refrigerator.
Referring to fig. 4, the controller controls the refrigerator through the following process:
after the refrigerator is started, calculating a power-off interval according to the current power-on time of the refrigerator and the last power-off time of the refrigerator, and if the power-off interval is greater than 10h (at this time, the first time threshold is 10h), controlling according to a left flow chart in fig. 4; otherwise, if the power-off interval is not greater than 10h, the control is performed according to the right flow chart in fig. 4.
In the flow chart on the left side in fig. 4, after the vacuum pump is started, the vacuum pump is controlled to operate at the rotation speed N1; if the vacuum degree in the vacuum chamber reaches 0.1 atmospheric pressure (at the moment, the second vacuum degree threshold value is equal to 0.1 atmospheric pressure), the rotating speed of the vacuum pump is adjusted to be N2, wherein N1 is greater than N2, otherwise, if the vacuum degree does not reach 0.1 atmospheric pressure, the vacuum pump is controlled to continue to operate according to the rotating speed N1; after the vacuum pump was operated at the rotation speed N2, the vacuum pump was controlled to be turned off when the vacuum degree in the vacuum chamber reached 0.2 atm (corresponding to 0.2 atm for the first vacuum degree threshold). As described above, the rotation speed of the vacuum pump is adjusted according to the degree of vacuum.
Continuing with the flow chart on the left side in fig. 4, after the vacuum pump is turned off, the refrigerating chamber, the freezing chamber and the temperature-changing chamber are controlled to sequentially and respectively refrigerate for 30min according to a set refrigeration sequence, wherein the refrigerating system only refrigerates one storage chamber at the same time. Then, the temperature differences of the refrigerating chamber, the freezing chamber and the temperature-changing chamber are respectively calculated, wherein T1SIndicating the upper temperature threshold, T, corresponding to the refrigeration compartment1Indicating the temperature of the refrigeration compartment; t is2SIndicating the upper temperature threshold, T, associated with the freezer compartment2Indicating the temperature of the freezer compartment, T3SRepresents the upper limit temperature threshold value, T, corresponding to the temperature-changing chamber3The temperature of the temperature-changing chamber is indicated.
Then, the maximum temperature difference MAX is determined according to the calculated temperature difference (T ═ T)1S-T1，T2S-T2，T3S-T3) And taking the storeroom corresponding to the highest temperature difference as a target storeroom to be refrigerated, controlling the fan corresponding to the target storeroom to be closed when the temperature of the target storeroom is within the corresponding temperature range, and repeating the process until the temperature of each storeroom is within the corresponding temperature range.
In the right flow chart in fig. 4, if the power-off interval is not greater than 10 hours, it is determined whether the current vacuum pump is started, and if so, the vacuum pump is operated at the current rotation speed, and the rotation speed is adjusted according to the vacuum degree adjustment process; if the vacuum pump is not started (namely the vacuum pump is in a closed state), respectively calculating the temperature difference of each storage room to determine the storage room corresponding to the highest temperature difference, correspondingly refrigerating the storage room, controlling to close the fan corresponding to the target storage room when the temperature of the target storage room is within the corresponding temperature range, and repeating the process until the temperature of each storage room is within the corresponding temperature range.
In this example, a comparative test was further performed on the noise of the refrigerator, and the test results are shown in table 1 below, in which √ denotes being turned on and √ denotes being turned off.
Figure BDA0002488452060000151
TABLE 1 comparative test result table for refrigerator noise
As can be seen from table 1, compared to the case where the refrigeration system (regardless of whether the refrigeration system simultaneously refrigerates three storage compartments or only one storage compartment at the same time) and the vacuum pump operate simultaneously, the noise of the refrigerator is low when the refrigeration system and the vacuum pump operate in a staggered manner (i.e., only the vacuum pump operates or the refrigeration system operates at the same time). And when the refrigerating system and the vacuum pump work in a staggered mode, the refrigerating system is controlled to refrigerate only one storage chamber at the same time, and the noise of the refrigerator is further reduced. Thus, it is proved that the noise in the refrigerator can be effectively reduced by the controller in the refrigerator controlling the refrigerator according to the above-mentioned process.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A refrigerator provided with a refrigeration system, a vacuum pump, a storage space in which a vacuum chamber is provided, and a controller configured to:
after the vacuum pump is started, acquiring the vacuum degree in the vacuum chamber;
if the acquired vacuum degree reaches a first vacuum degree threshold value, controlling to close the vacuum pump;
after the vacuum pump is turned off, controlling to start the refrigerating system to refrigerate the storage space;
and if the temperature of the storage space after refrigeration meets the set temperature requirement, controlling to close the refrigeration system.
2. The refrigerator of claim 1, wherein after the step of obtaining the vacuum level of the vacuum chamber after activating the vacuum pump, the controller is further configured to:
and if the vacuum degree reaches a second vacuum degree threshold value and is smaller than the first vacuum degree threshold value, controlling to reduce the rotating speed of the vacuum pump, wherein the second vacuum degree threshold value is smaller than the first vacuum degree threshold value.
3. The refrigerator according to claim 2, wherein in the controlling to reduce the rotation speed of the vacuum pump, the controller is configured to:
and controlling to adjust the rotating speed of the vacuum pump from a first rotating speed to a second rotating speed, wherein the first rotating speed is greater than the second rotating speed.
4. The refrigerator of claim 1, wherein the storage space includes at least two storage compartments, and prior to the step of controlling the activation of the refrigeration system to refrigerate the storage compartments, the controller is further configured to:
acquiring the current power-on time of the refrigerator and the last power-off time of the refrigerator;
calculating a power-off interval according to the current power-on time and the last power-off time;
if the power-off interval exceeds a first time threshold, in the step of controlling to start the refrigeration system to refrigerate the storage space, the controller is configured to:
and controlling the refrigerating system to sequentially refrigerate the at least two storage rooms according to a set refrigerating sequence, wherein the refrigerating system only refrigerates one storage room at the same time.
5. The refrigerator of claim 4, wherein the refrigerating system includes a compressor, and fans provided for each storage chamber, respectively, and in the step of controlling the refrigerating system to sequentially refrigerate the at least two storage chambers in a set refrigerating sequence, the controller is configured to:
controlling to start the compressor; and
and starting the fans corresponding to each storage room in sequence according to the set refrigeration sequence, wherein only one fan corresponding to one storage room operates at the same time.
6. The method of claim 5, wherein the sequentially activating the fans corresponding to each storage compartment in the set refrigeration sequence comprises:
determining a next target storage room to be refrigerated according to the set refrigeration sequence;
and when a first pause condition of the fan corresponding to the current target storage room which is refrigerating is reached, controlling to pause the operation of the fan corresponding to the current target storage room and controlling to start the fan corresponding to the next target storage room.
7. The refrigerator of claim 5, wherein the set temperature requirement includes a temperature range respectively set for each storage compartment, the temperature range including an upper temperature threshold, and in the step of controlling to activate the refrigeration system to refrigerate the storage space, the controller is further configured to:
after the storage chambers are respectively refrigerated for one time according to the set refrigeration sequence, calculating the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold;
determining the highest temperature difference according to the temperature difference corresponding to each storage chamber;
if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom, controlling to start the fan corresponding to the target storeroom and controlling to close the fans corresponding to other storerooms except the target storeroom;
and when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, controlling to close the fan corresponding to the target storeroom, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
8. The refrigerator of claim 4, wherein the set temperature requirement includes a temperature range respectively set for each storage compartment, the temperature range including an upper temperature threshold, the power-off interval not exceeding a first time threshold, and in the step of controlling to activate the refrigeration system to refrigerate the storage space, the controller is configured to:
calculating the temperature difference between the temperature of each storage chamber and the corresponding upper limit temperature threshold value;
determining the highest temperature difference according to the temperature difference corresponding to each storage chamber;
if the highest temperature difference is larger than zero, taking the storeroom where the highest temperature difference is located as a target storeroom;
controlling to start the fan corresponding to the target storage room and controlling to close the fans corresponding to other storage rooms except the target storage room;
and when the temperature of the storeroom where the target storeroom is located meets the corresponding temperature range, controlling to close the fan corresponding to the target storeroom, and skipping to the step of calculating the temperature difference between the temperature of each storeroom and the corresponding upper limit temperature threshold value so as to determine the next target storeroom.
9. The refrigerator according to claim 7 or 8, wherein after the step of determining a highest temperature difference according to a temperature difference corresponding to each storage compartment, the controller is further configured to:
if the highest temperature difference does not exceed zero, determining that the temperature of each storage chamber reaches the corresponding temperature range;
in the controlling to turn off the refrigeration system, the controller is configured to:
and controlling to close the compressor and controlling to close the fan corresponding to the current target storage room which is refrigerating.
10. The refrigerator of claim 1, wherein after the step of controlling the refrigeration system to be turned off, the controller is further configured to:
and if the starting condition of the vacuum pump is reached, controlling to start the vacuum pump again.
CN202010400322.0A 2020-05-12 2020-05-12 Refrigerator with a door Pending CN111623580A (en)

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