CN114076446A - Refrigerator and vacuumizing protection control method applied to refrigerator - Google Patents
Refrigerator and vacuumizing protection control method applied to refrigerator Download PDFInfo
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- CN114076446A CN114076446A CN202010817968.9A CN202010817968A CN114076446A CN 114076446 A CN114076446 A CN 114076446A CN 202010817968 A CN202010817968 A CN 202010817968A CN 114076446 A CN114076446 A CN 114076446A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 13
- 238000005086 pumping Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- F25D17/042—Air treating means within refrigerated spaces
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/005—Charging, supporting, and discharging the articles to be cooled using containers
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- 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
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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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
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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
- F25D2600/00—Control issues
- F25D2600/02—Timing
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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
- 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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to the technical field of refrigerator preservation, and discloses a refrigerator and a vacuumizing protection control method applied to the refrigerator, wherein the vacuumizing protection control method comprises a low-temperature storage chamber and a door body for opening or closing the storage chamber, a vacuum pump is arranged in the door body and is detachably communicated with a vacuum storage space through a vacuum tube, a switch assembly is further arranged on the door body and is electrically connected to the vacuum pump and controls the opening and closing of the vacuum pump, and the vacuum pump is further electrically connected with a controller through a lead.
Description
Technical Field
The invention relates to the technical field of refrigerator preservation, in particular to a refrigerator and a vacuumizing protection control method applied to the refrigerator.
Background
In recent years, people's health consciousness is gradually improved, the demand for food material preservation is also improved, the refrigerator is used as the most common household appliance for food material storage, the food material preservation storage becomes a technical demand to be solved urgently in the field of the refrigerator, at present, aiming at the problem of food material preservation storage, a vacuum preservation technology is increasingly applied to the field of refrigerator preservation, and the food deterioration condition is changed in a vacuum state. Firstly, in a vacuum environment, microorganisms and various promoting enzymes are difficult to survive and can meet the requirement of microorganism breeding for a long time, secondly, in a vacuum state, oxygen in a container is greatly reduced, various chemical reactions cannot be completed, food cannot be oxidized, and the food can be kept fresh for a long time, the existing vacuum fresh-keeping refrigerator is characterized in that a vacuum box is used for storing food materials, a vacuum pump is communicated with the vacuum box, air in the vacuum box is pumped out through the vacuum pump, so that the vacuum box is in a low-oxygen state, wherein the vacuum pump is electrically connected with a switch assembly, the on-off of a circuit where the vacuum pump is located is controlled through the switch assembly, but in practical application, a plurality of users do not know the working time of the vacuum pump, and generally, when the vacuum pump is in a working state or is in a low-pressure state in the vacuum box, the vacuum pump is continuously started to pump for vacuum, lead to vacuum pump continuous operation and vacuum in the vacuum box to equal the pump maximum vacuum pressure, the pump evacuation is not angry, cause the damage to the vacuum pump, also there is some users simultaneously because the mistake touches the key switch, lead to the condition of pump continuous operation, long this in the past, can lead to the fact the influence to the life-span of pump, and consume a large amount of electric energy, cause the wasting of resources, in addition, there is child to some users' family, child can be because of the condition that continuous key can appear in curiosity, constantly open the evacuation through the key, cause the damage of vacuum pump and even the vacuum box is cracked and cause the injury to the user.
Disclosure of Invention
In some embodiments of this application, a refrigerator is provided, including the low temperature storeroom and open or close the door body of storeroom, vacuum storage device detachable sets up on the door body, form vacuum storage space, the vacuum pump sets up in a internal portion, can dismantle the intercommunication through vacuum tube and vacuum storage space, still be provided with switch assembly on the door body, switch assembly electricity is connected in opening and closing of vacuum pump and control vacuum pump, the vacuum pump still is connected with the controller through the wire electricity, through the setting to switch assembly and the setting of controller, make the refrigerator have the function of preventing mistake and touching, the life of vacuum pump has been prolonged.
In some embodiments of the application, the switch assembly is additionally provided with a false touch prevention function, a threshold parameter is preset through the controller, and when an electric signal of the switch assembly is detected, the pressing times corresponding to the pressing operation of the time and the interval duration between the pressing operation of the time and the adjacent last pressing operation are determined; if the pressing times are smaller than the preset time threshold value or the interval duration is larger than the preset interval duration threshold value, the vacuum pump performs air extraction on the vacuum storage area, and the pressing times are increased by one, wherein the pressing times are the times of pressing the switch assembly after the door body of the refrigerator is opened for the last time. The situation that the vacuum pump is started to vacuumize when a user mistakenly touches the key switch is avoided.
In some embodiments of the application, after the door body of the refrigerator is closed, when the door body is opened again, the pressing times of the switch assembly are reset, so that the situation that the vacuum state of the vacuum storage area is damaged is avoided, and when the pressing times are larger than a preset time preset value and the switch key is pressed, the vacuum pump cannot work normally in time.
In some embodiments of this application, improved switch module, switch module includes push type contact switch and switch apron, is provided with the switch installation cavity on the door body, and contact switch sets up in switch installation cavity inner space, and the contact switch electricity connect in the vacuum pump for the break-make of control vacuum pump place circuit, switch apron lid are detained in the switch installation cavity, and set up the locating hole that lets lie in contact switch's button on the switch apron, and in contact switch extended to the locating hole, with the switch setting in the installation cavity of door body, make switch module not occupy the vacuum storage space.
In some embodiments of this application, vacuum storage device includes vacuum box and vacuum box lid, and vacuum box lid is detained in the vacuum box in order to form sealed environment, and vacuum box covers and is provided with sealing interface, relief valve and fixing device, and sealing interface is used for the installation intercommunication to breathe in and connects, and the relief valve setting is in sealing interface for block or communicate in the vacuum storage device gas and external gas, fixing device is used for with vacuum box lid fixed connection on the vacuum box.
In some embodiments of the present application, the evacuation assembly comprises: the air suction joint is detachably inserted and communicated with the sealing interface and is rotatably arranged on the door body; the vacuum pump is arranged in the inner space of the door body, and a vacuum tube is communicated between the vacuum pump and the air suction joint; wherein, the vacuum tube is arranged in the inner space of the door body.
In some embodiments of this application, switch assembly includes push type contact switch and switch apron, is provided with the switch installation cavity on the door body, and contact switch sets up in switch installation cavity inner space, and the contact switch electricity connects in the vacuum pump for the break-make of control vacuum pump place circuit, switch apron lid is detained in the switch installation cavity, and sets up the locating hole that lets lie in contact switch's button on the switch apron, and contact switch extends to in the locating hole.
In some embodiments of the present application, the controller comprises: the input device is used for inputting preset threshold parameters to the controller; the display device is electrically connected with the input device and is used for displaying the threshold parameter input by the input device; and the processing device is electrically connected with the input device, the switch assembly and the vacuum pump and is used for judging and controlling the response of the switch assembly according to the threshold parameter preset by the input device so as to control the working state of the vacuum pump.
In some embodiments of the present application, a method for operating a controller is disclosed, wherein a threshold parameter is a time interval between two adjacent electrical signals input by a switch assembly; the controller is configured to: when the processing device detects the electric signal input by the switch component, the time of receiving the electric signal of the switch component last time is determined based on the electric signal received this time, and the time interval of receiving the electric signal twice is determined; if the interval duration is greater than the preset threshold parameter, the controller responds to the electric signal input by the switch component; and if the interval duration is less than the preset threshold parameter, shielding the electric signal input by the response switch component by the controller.
In some embodiments of the present application, a vacuum pumping protection control method is disclosed, the control method comprising:
s1, inputting the single vacuumizing time length and the threshold parameter through the input device, and setting the single vacuumizing time length as the time length T1，The threshold parameter is set to a duration T2Wherein, T2Greater than T1；
S2, when the processing device detects the electric signal of the switch assembly for the first time, the vacuum-pumping assembly is connected with the circuit to continuously pump the air in the vacuum storage device, the processing device enters a detection state, and the time T elapses1Then, the vacuumizing assembly stops vacuumizing;
s3, the processing device is in the preset time length T2In which the processing means enter a detection state to detect the electrical signal of the switch assembly for a duration T2The processing device shields the detected electric signal response of the switch assembly, and the vacuumizing assembly works according to the working state corresponding to the first detected electric signal of the switch assembly;
s4, lapse of time T2Then, the processing device cancels the detection state;
s5, repeating S2-S4 when the processing device receives the electrical signal of the switch assembly again.
In some embodiments of the application, another working method of the controller is disclosed, wherein the threshold parameter is the maximum number of times that the switch component inputs an electric signal to be responded after the door body of the refrigerator is opened for the last time; the controller is configured to: when the processing device detects the electric signal input by the switch assembly, whether the detected electric signal exceeds the preset maximum number of times that the electric signal input by the switch assembly is responded after the door body of the refrigerator is opened for the last time is judged; if the electric signal received this time does not exceed the threshold parameter, the controller responds to the electric signal input by the switch component this time; and if the electric signal received this time exceeds the threshold parameter, the controller shields the electric signal responding to the input of the switch component this time.
In some embodiments of the present application, another vacuum pumping protection control method is disclosed, and the control method includes:
s1, inputting the single vacuumizing time length and the threshold parameter through the input device, and setting the single vacuumizing time length as the time length T1，Setting a threshold parameter to be N;
s2, when the processing device detects the electric signal of the switch assembly for the first time, the vacuum-pumping assembly is connected with the circuit to continuously pump the air in the vacuum storage device, the processing device enters a detection state, and the time T elapses1Then, the vacuumizing assembly stops vacuumizing;
s3, after the door body of the refrigerator is opened, the processing device immediately enters a detection state for detecting the electric signal of the switch assembly, if the frequency of the electric signal of the switch assembly received by the processing device is greater than a threshold parameter N, the processing device shields the electric signal received after responding N times, and the vacuumizing assembly works according to the working state corresponding to the electric signal of the switch assembly detected N times;
s4, after the door body of the refrigerator is closed, the processing device cancels the detection state;
and S5, repeating S2-S4 when the processing device receives the electric signal of the switch assembly after the door body of the refrigerator is opened again.
Drawings
FIG. 1 is a structural view of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic view of a refrigerator door according to an embodiment of the present invention.
FIG. 3 is a structural view of the interior of a refrigerator door according to an embodiment of the present invention.
Fig. 4 is a structural view of a vacuum storage device of a refrigerator according to an embodiment of the present invention.
FIG. 5 is an enlarged view of the position "B" in FIG. 4 according to an embodiment of the present invention.
FIG. 6 is a block diagram of the vacuum storage device and suction fitting connection according to one embodiment of the present invention;
FIG. 7 is a schematic view of a switch cover plate and a switch mounting cavity according to an embodiment of the present invention;
FIG. 8 is a diagram of an installation structure of a switch cover plate and a switch installation cavity according to an embodiment of the present invention
FIG. 9 is a block diagram of a switch assembly in one embodiment of the invention;
FIG. 10 is a block diagram of a controller in accordance with one embodiment of the present invention;
FIG. 11 is a block diagram of an installation position of the switch assembly according to an embodiment of the present invention;
FIG. 12 is a circuit diagram of the vacuum pump, controller and switch assembly in one embodiment of the invention.
In the figure, 100, a low temperature storage room; 200. a door body; 201. a mounting frame; 300. a vacuum storage device; 301. a vacuum box cover; 302. a vacuum box; 303. sealing the interface; 304. a pressure relief valve; 305. a fixing device; 306. a sealing strip; 307. a hook is clamped; 308. buckling; 400. a vacuum pump; 500. a suction connection; 501. a rotating device; 505. a projection; 600. a vacuum tube; 700. a switch assembly; 701. a switch mounting cavity; 702. a contact switch; 703. a switch cover plate; 704. a wire; 712. pressing a key; 713. fixing an outer hole; 800. a controller; 801. an input device; 802. a display device; 803. and a processing device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
According to an embodiment of the present application, as shown in fig. 1 and 2, the refrigerator has an approximately rectangular parallelepiped shape. The appearance of the refrigerator is limited by a box body for limiting the low-temperature storage chamber and a plurality of door bodies arranged on the box body, and the door bodies are rotationally connected with the box body and buckled to an opening of the low-temperature storage chamber; the door body comprises a door body shell positioned outside the low-temperature storage chamber, a door body liner positioned inside the low-temperature storage chamber, an upper end cover, a lower end cover and a heat insulation layer positioned among the door body shell, the door body liner, the upper end cover and the lower end cover; typically, the thermal insulation layer is filled with a foam material.
The low-temperature storage chamber is a cabinet having an opening, the low-temperature storage chamber is vertically partitioned into a lower freezing chamber and an upper refrigerating chamber, each of the partitioned spaces may have an independent storage space, the space above the freezing chamber is partitioned into left and right sides to form the refrigerating chambers, respectively, and the refrigerating chambers may be selectively opened or closed by a refrigerating chamber door body pivotably mounted on the refrigerating chamber.
As shown in fig. 1, 2 and 3, a vacuum storage device 300 is detachably disposed on a door 200 (specifically, the door 200 of a refrigerating chamber), the vacuum storage device 300 can be carried around the vacuum storage device 300 according to user needs, so as to improve the convenience of use of the vacuum storage device 300, the vacuum storage device 300 provides a vacuum storage environment for storing articles, and the vacuum storage device 300 utilizes an independent box for storage and preservation.
The vacuum storage device 300 is located at the inner container side of the door 200, that is, in the low-temperature storage chamber, the stored articles in the vacuum storage device 300 can obtain a vacuum and low-temperature storage environment, and the preservation effect is better.
In an embodiment of the present invention, a mounting rack 201 is disposed on the door 200, the vacuum storage device 300 is disposed on the mounting rack 201, and the mounting rack 201 is disposed at a position where the vacuum storage device 300 disposed on the mounting rack 201 is in a low temperature storage chamber when the door 200 is closed.
In other embodiments of the present application, the vacuum storage device 300 may be disposed at other positions in the refrigerator, and is not limited herein.
As shown in fig. 1 and 3, a vacuum pumping assembly is further disposed in the door body 200, and the vacuum pumping assembly includes: the vacuum pump 400 is connected to one end of the vacuum pipe 600, the other end of the vacuum pipe 600 penetrates through the inner wall of the door body to be connected with the air suction connector 500, the air suction connector 500 is detachably communicated with the sealing connector 303, the vacuum pump 400 works during vacuum pumping, and gas in the vacuum storage device 300 is discharged under the action of the vacuum pump 400.
In a specific embodiment of the invention, the vacuum tube 600 is a hose or a hard tube, and the vacuum tube 600 is connected to the foaming layer of the door body 200 through the fixing block, so that the cold storage chamber in the low-temperature storage chamber 100 is not additionally occupied, the cold storage chamber on the inner container side of the door body 200 is fully utilized, and the utilization rate of the cold storage chamber of the refrigerator is improved.
In a specific embodiment of the present invention, the vacuum pump 400 is an electric brush vacuum pump 400, which has low cost, small volume and convenient connection, the vacuum pump 400 is disposed inside the door 200, and when the vacuum pump 400 is turned on, air in the vacuum storage device 300 is exhausted outside the device through the vacuum tube 600 to obtain a vacuum environment.
It should be noted that the vacuum storage device 300 provides a vacuum storage environment for storing articles, and meanwhile, the vacuum storage device 300 is disposed on the door 200, so that the cold storage space in the storage chamber is not additionally occupied, the cold storage space on the inner container side of the door 200 is fully utilized, the utilization rate of the cold storage space of the refrigerator is improved, and the vacuum tube 600 is conveniently connected with the vacuum storage device 300.
It should be noted that, the vacuum pump 400 extracts air in the vacuum storage device 300 through the vacuum tube 600 to perform low-temperature preservation on food materials to be preserved in the vacuum storage device 300, so as to reduce oxygen content in the storage space, so that the stored goods in the vacuum storage device 300 can obtain a vacuum and low-temperature storage environment, the preservation effect is better, and the preservation effect and the preservation duration are improved.
As shown in fig. 4, 5 and 6, the vacuum storage device 300 includes a vacuum box 302 and a vacuum box cover 301, the vacuum box cover 301 is sealed on the vacuum box 302, and a sealing strip 306 is disposed between the vacuum box cover 301 and the vacuum box 302 to improve the sealing effect of the vacuum storage device 300 and prevent external air from entering into the sealing cavity to affect the vacuum effect, so as to form a vacuum-tight storage space.
Be provided with sealed interface 303, relief valve 304 and fixing device 305 on vacuum box cover 301, relief valve 304 sets up in sealed interface 303 for block or communicate gas and external gas in the test box, relief valve 304 is the check valve, when breathing in to sealed interface 303, relief valve 304 receives suction and opens, with the inside air suction outside of vacuum storage device 300, when stopping breathing in, relief valve 304 closes naturally, relief valve 304 plugs sealed interface 303 this moment, prevent the gas discharge in the storing chamber, make vacuum storage device 300 sealed completely, realize the vacuum pressurize.
The sealing interface 303 is a concave part concave towards the inner side of the vacuum box 302, the pressure release valve 304 is arranged inside the concave sealing interface 303, the position of the pressure release valve is lower than the upper end surface of the vacuum box cover 301, the upper end surface of the pressure release valve 304 is not higher than the upper end surface of the upper cover body, and when the box body is carried, foreign objects can be prevented from being scratched to the pressure release valve 304 or the sealing interface 303 to damage the vacuum state in the box body
It should be noted that, the split design of the vacuum storage device 300 is to conveniently put in and take out food materials to be preserved, the vacuum box cover 301 is provided with the pressure release valve 304 to conveniently open the vacuum box cover 301, when the vacuum storage device 300 is in a vacuum state and the vacuum box cover 301 needs to be opened, the pressure release valve 304 can be manually pulled out towards the outer side of the box body by releasing pressure in the storage cavity, the pressure release valve 304 is pulled out and opened, outside air rapidly enters the vacuum storage device 300 through the pressure release valve 304, the air pressure in the vacuum storage device 300 is balanced with the atmospheric pressure, and the vacuum storage device 300 can be opened by disengaging the fixing device 305.
As shown in fig. 5 and 6, the vacuum box 302 is connected with the vacuum box cover 301 in a locking and sealing manner through the fixing device 305, and during the process of vacuumizing the storage cavity, the vacuum storage device 300 needs to be in a closed state to prevent external air from entering the storage cavity, and at this time, the vacuum box cover 301 and the vacuum box 302 can be locked and locked through the locking assembly, so that the above purpose is achieved.
In an embodiment of the present application, as shown in fig. 5 and fig. 6, the fixing device 305 is a hook 307 rotatably disposed on the vacuum box cover 301 and a strip-shaped curved buckle 308 disposed on the locking region of the vacuum box 302, the hook 307 is buckled to the buckle 308 to ensure that the vacuum box cover 301 is locked to the vacuum box 302 and the sealing performance of the vacuum storage device 300 is ensured, and when the hook 307 is buckled to the buckle 308, the vacuum storage device 300 is in a locking state; when the hook 307 is disengaged from the hook 308 and separated from the locking region, the vacuum storage apparatus 300 is in the unlocked state, and in addition, the fixing devices 305 are disposed on two opposite sides of the vacuum storage apparatus 300 in the width direction, and the double-sided fastening helps to improve the sealing effect.
As shown in fig. 6 and 8, a suction joint 500 is provided at the connection between the vacuum tube 600 and the vacuum storage device 300, the suction joint 500 is provided with a protrusion 505, the protrusion 505 of the suction joint 500 is inserted into the recess of the sealing interface 303 to realize a pluggable connection, and the suction joint 500 is communicated with the vacuum storage device 300, and the suction joint 500 is rotatably provided on the door 200.
As shown in fig. 6, 7 and 8, one end of the suction connector 500 is rotatably connected to the door 200, and according to an embodiment of the present invention, a rotating device 501 is disposed at a connection point between the suction connector 500 and the door 200 to ensure that the suction connector 500 can rotate around the connection point of the door 200 at a certain angle, which facilitates connection and disconnection between the suction connector 500 and the vacuum storage device 300, and also solves a problem of placement of the suction connector 500 when the suction connector 500 is disconnected from the vacuum storage device 300.
As shown in fig. 8 and 12, in some embodiments of the present application, the refrigerator includes a switch assembly 700, and the switch assembly 700 is electrically connected to the vacuum pumping assembly to control the on/off of the circuit of the vacuum pumping assembly.
As shown in fig. 6, 7, 8, 9 and 11, the switch assembly 700 includes a press-type contact switch 702 and a switch cover plate 703, the door 200 is provided with a switch installation cavity 701, the contact switch 702 is disposed in an inner space of the switch installation cavity 701, the contact switch 702 is electrically connected to the vacuum pump 400 and is used for controlling on/off of a circuit where the vacuum pump 400 is located, the switch cover plate 703 is fastened to the switch installation cavity 701, the switch cover plate 703 is provided with a positioning hole for providing a key 712 of the contact switch 702, and the contact switch 702 extends into the positioning hole.
In an embodiment of the present invention, as shown in fig. 7, a switch installation cavity 701 is arranged on the door body 200, the switch installation cavity 701 is a cavity with a concave structure arranged on the inner container, so as to prevent the switch installation cavity 701 from protruding outwards to occupy a refrigeration space, improve the occupancy rate of the refrigeration space, and a switch cover plate 703 is detachably installed on the switch installation cavity 701.
In a specific embodiment of the present invention, as shown in fig. 7, 8 and 11, the contact switch 702 is disposed in the installation cavity 701 of the contact switch 702, the contact switch 702 is electrically connected to the vacuum pump 400, and the vacuum pump 400 is connected or disconnected by pressing the button 712 to control the opening or closing of the vacuum pump 400, the body of the contact switch 702 is disposed in the cavity of the accommodating portion, the contact switch 702 is electrically connected to the vacuum pump 400 through a wire 704, the wire 704 is disposed inside the door 200, and a section of wire 704 is reserved in the cavity of the accommodating portion, so as to reserve a certain movable range for detaching the cover plate of the contact switch 702.
In an embodiment of the invention, as shown in fig. 7, the switch cover 703 is a rectangular plate-shaped structure, and the switch cover 703 is provided with a positioning hole for positioning the key 712 of the contact switch 702, the key 712 extends into the positioning hole to define the installation position of the fixed key 712, and the switch cover 703 is used for defining the surface of the switch 712 exposed in the refrigerating compartment.
As shown in fig. 7, the switch cover plate 703 is fastened to the opening of the installation cavity, in an embodiment of the present invention, a claw is disposed on the switch cover plate 703, a buckle 308 is disposed in the switch accommodating cavity, and the switch cover plate 703 is covered in the switch accommodating cavity by the cooperation of the claw and the buckle 308.
The touch switch 702 is used to convert the pressure applied to the fixed key 712 into an electric signal, and reflect the number of pressing operations of the switch key 712 and the time interval between the two pressing operations to the controller 800, and the controller 800 controls the operating state of the vacuum pump 400 according to the number of pressing operations.
It should be noted that, when the user presses the contact switch 702, the contact switch 702 turns on the circuit, and the power source of the circuit and other electric components of the refrigerator share the same power source, in this embodiment, the power source is a household ac power source, and the vacuum pump 400 is started after being powered on.
In some embodiments of the present invention, as shown in fig. 6, 7, 8, 10, and 11, the refrigerator includes a controller 800, and the controller 800 is electrically connected to the switch assembly 700 and the vacuum pumping assembly.
As shown in fig. 6, 7, 8, 10, 11, and 12, the controller 800 includes: the vacuum pump comprises an input device 801, a display device 802 and a processing device 803, wherein the input device 801 is used for inputting preset threshold parameters to the controller 800, the display device 802 is electrically connected to the input device 801 and is used for displaying the threshold parameters input by the input device 801, and the processing device 803 is electrically connected to the input device 801, the switch assembly 700 and the vacuum pump 400 and is used for judging and controlling the response of the switch assembly 700 according to the threshold parameters preset by the input device 801 so as to control the working state of the vacuum pump 400.
It should be noted that, as shown in fig. 7 and 10, the display device 802 and the output device are not device names, but in the controller 800, a device having a function of displaying the threshold parameter input by the input device 801 is referred to as a display device 802, and a device having a function of inputting the preset threshold parameter to the controller 800 is referred to as an input device 801, and in an embodiment of the present invention, as shown in fig. 10, the display device 802 is configured as a touch screen, and the threshold parameter can be input by clicking a corresponding position on the touch screen, or by handwriting input on the touch screen, and in this embodiment, the touch screen is the display device 802 and is also the input device 801.
As shown in fig. 12, in some embodiments of the present application, a vacuum protection control method is provided, and the control method is applied to a refrigerator including a vacuum storage device 300, a vacuum pumping assembly, a switching assembly 700, and a controller 800.
The vacuumizing protection control method comprises the following steps: when the pressing operation of the switch key 712 is detected, determining the pressing times corresponding to the pressing operation of this time and the interval duration between the pressing operation of this time and the adjacent last pressing operation; if the pressing times are smaller than the preset time threshold value or the interval duration is larger than the preset interval duration threshold value, the vacuumizing assembly performs air suction on the vacuum storage area, and the pressing times are increased by one, wherein the pressing times are the times of pressing the switch button 712 after the door body 200 of the refrigerator is opened for the last time.
The method further comprises the following steps: when the door 200 of the refrigerator is closed and then opened again, the number of times the switch button 712 is pressed is cleared.
The present invention may implement a variety of control methods by different principles of different controllers 800.
Example 1:
the threshold parameter is the time interval between two adjacent electric signals input by the switch assembly 700;
the controller 800 is configured to:
when the processing device 803 detects the electrical signal input by the switch assembly 700, the time of last receiving the electrical signal of the switch assembly 700 is determined based on the electrical signal received this time, and the time interval of the electrical signals received twice is determined;
if the interval duration is greater than the preset threshold parameter, the controller 800 responds to the electrical signal input by the switch assembly 700;
if the interval duration is less than the preset threshold parameter, the controller 800 masks the electrical signal input by the response switch assembly 700.
According to the operation principle of the controller 800 of the embodiment 1, the operation process of the control method mainly includes:
s1, inputting a single-time vacuumizing duration and a threshold parameter through the input device 801, setting the single-time vacuumizing duration as a duration T1, and setting the threshold parameter as a duration T2, wherein T2 is greater than T1;
s2, when the processing device 803 detects the electric signal of the switch assembly 700 for the first time, the vacuum-pumping assembly is connected with the circuit, air in the vacuum storage device 300 is continuously pumped, the processing device 803 enters a detection state, and after a time T1 elapses, the vacuum-pumping assembly stops the vacuum-pumping work;
s3, when the processing device 803 is in a preset time length T2, the processing device 803 enters a detection state, the electric signal of the switch assembly 700 is detected, when the time length T2 is, the processing device 803 shields the detected electric signal response of the switch assembly 700, and the vacuumizing assembly works according to the working state corresponding to the first detected electric signal of the switch assembly 700;
s4, after the time T2 elapses, the processing device 803 cancels the detection state;
s5, when the processing device 803 again receives the electrical signal of the switch assembly 700, S2-S4 are repeated.
Example 2:
the threshold parameter is the maximum number of times that the switch assembly 700 inputs the electric signal to be responded after the door body 200 of the refrigerator is opened for the last time;
the controller 800 is configured to:
when the processing device 803 detects the electric signal input by the switch assembly 700, it determines the current detection
Whether the measured electric signal exceeds the preset maximum number of times that the electric signal input by the switch assembly 700 is responded after the door body 200 of the refrigerator is opened for the last time or not;
if the electrical signal received this time does not exceed the threshold parameter, the controller 800 responds to the electrical signal input by the current switch assembly 700;
if the current received electrical signal exceeds the threshold parameter, the controller 800 masks the electrical signal responsive to the current input of the switch assembly 700.
According to the operation principle of the controller 800 of the embodiment 2, the operation process of the control method mainly includes:
s1, inputting single vacuumizing duration and threshold parameters through an input device 801, setting the single vacuumizing duration as duration T1, and setting the threshold parameters as N;
s2, when the processing device 803 detects the electric signal of the switch assembly 700 for the first time, the vacuum-pumping assembly is connected with the circuit, air in the vacuum storage device 300 is continuously pumped, the processing device 803 enters a detection state, and after a time T1 elapses, the vacuum-pumping assembly stops the vacuum-pumping work;
s3, after the door 200 of the refrigerator is opened, the processing device 803 immediately enters a detection state for detecting the electrical signal of the switch assembly 700, and if the number of times of the electrical signal of the switch assembly 700 received by the processing device 803 is greater than the threshold parameter N, the processing device 803 shields the electrical signal received after responding N times, and the vacuum-pumping assembly operates according to the operating state corresponding to the electrical signal of the switch assembly 700 detected N times;
s4, after the door 200 of the refrigerator is closed, the processing device 803 cancels the detection state;
s5, when the processing device 803 receives the electrical signal from the switch assembly 700 after the door 200 of the refrigerator is opened again, S2-S4 are repeated.
According to the first design of this application, a refrigerator is provided, including the low temperature storeroom and open or close the door body of storeroom, vacuum storage device detachable sets up on the door body, form vacuum storage space, the vacuum pump sets up in a internal portion, can dismantle the intercommunication through vacuum tube and vacuum storage space, still be provided with switch assembly on the door body, switch assembly electricity is connected in opening and closing of vacuum pump and control vacuum pump, the vacuum pump still is connected with the controller through the wire electricity, through the setting to switch assembly and the setting of controller, make the refrigerator have the function of preventing the mistake and touching, the life of vacuum pump has been prolonged.
According to a second concept of the application, the switch assembly is additionally provided with a false touch prevention function, and a threshold parameter is preset through a controller, wherein the threshold parameter is a time interval of electric signals input by two adjacent switch assemblies;
when the electric signal of the switch assembly is detected, the interval duration of the previous pressing operation adjacent to the current pressing operation distance is determined, if the interval duration is larger than a preset interval duration threshold, the vacuum pump pumps air into the vacuum storage area, and the situation that the vacuum pump is started to pump vacuum when a user touches the key switch by mistake is avoided.
According to the third concept of the application, the switch assembly is additionally provided with the function of preventing false touch, the threshold parameter is preset through the controller, and the threshold parameter is the maximum number of times that the switch assembly inputs the electric signal to be responded after the door body of the refrigerator is opened for the last time;
when an electric signal of the switch assembly is detected, determining the pressing times corresponding to the pressing operation, wherein the pressing times are the times for pressing the switch assembly after a door body of the refrigerator is opened for the last time, if the pressing times are smaller than a preset time threshold value, the vacuum pump performs air extraction on a vacuum storage area, and the pressing times are increased by one, so that the situation that the vacuum pump is started for vacuumizing when a user mistakenly touches a key switch is avoided;
when the door body of the refrigerator is closed and opened again, the pressing times of the switch assembly are reset, so that the vacuum pump cannot work normally in time when the switch button is pressed down under the condition that the vacuum state of the vacuum storage area is damaged and the pressing times are greater than the preset times preset value.
According to the fourth design of this application, improved switch module, switch module includes push type contact switch and switch apron, is provided with the switch installation cavity on the door body, and contact switch sets up at switch installation cavity inner space, and the contact switch electricity connect in the vacuum pump for the break-make of control vacuum pump place circuit, switch apron lid are detained in the switch installation cavity, and set up the locating hole that lets lie in contact switch's button on the switch apron, and contact switch extends to in the locating hole, with the switch setting in the installation cavity of door body, make switch module not occupy the vacuum storage space.
According to the fifth concept of the present application, since the connection mode of the vacuum storage device and the vacuum pumping device is improved, specifically, the vacuum storage device and the vacuum pumping device are movably connected through the vacuum tube, when the vacuum pumping treatment is not performed, the vacuum storage device can be disassembled for use, and the fetching and the carrying are convenient.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A refrigerator, comprising:
a low temperature storage chamber to form a low temperature storage space;
the door body is used for opening or closing the low-temperature storage chamber;
characterized in that, the refrigerator still includes:
the vacuum storage device is detachably arranged on the door body to form a vacuum storage space;
the vacuumizing assembly is arranged inside the door body, is detachably communicated with the vacuum storage device and is used for extracting air in the vacuum storage device;
the switch assembly is electrically connected with the vacuumizing assembly to control the on-off of a circuit of the vacuumizing assembly;
the controller is electrically connected with the switch assembly and the vacuumizing assembly.
2. The refrigerator according to claim 1, wherein the vacuum storage device comprises a vacuum box and a vacuum box cover, the vacuum box cover is fastened to the vacuum box to form a sealed environment, a sealing interface, a pressure release valve and a fixing device are arranged on the vacuum box cover, the sealing interface is used for installing and communicating the air suction connector, the pressure release valve is arranged in the sealing interface and used for blocking or communicating air in the vacuum storage device and outside air, and the fixing device is used for fixedly connecting the vacuum box cover to the vacuum box.
3. The refrigerator of claim 1, wherein the evacuation assembly comprises:
the air suction joint is detachably inserted into and communicated with the sealing interface and is rotatably arranged on the door body;
the vacuum pump is arranged in the inner space of the door body, and a vacuum tube is communicated between the vacuum pump and the air suction joint;
the vacuum tube is arranged in the inner space of the door body.
4. The refrigerator as claimed in claim 3, wherein the switch assembly includes a press type contact switch and a switch cover plate, the door body is provided with a switch installation cavity, the contact switch is disposed in an inner space of the switch installation cavity, the contact switch is electrically connected to the vacuum pump for controlling the on/off of a circuit where the vacuum pump is located, the switch cover plate is fastened to the switch installation cavity, the switch cover plate is provided with a positioning hole for a key of the contact switch, and the contact switch extends into the positioning hole.
5. The refrigerator of claim 1, wherein the controller comprises:
an input device for inputting a preset threshold parameter to the controller;
the display device is electrically connected to the input device and is used for displaying the threshold parameter input by the input device;
and the processing device is electrically connected with the input device, the switch assembly and the vacuum pump and is used for judging and controlling the response of the switch assembly according to a threshold parameter preset by the input device so as to control the working state of the vacuum pump.
6. The refrigerator according to claim 5, wherein the threshold parameter is a time interval between two adjacent electric signals inputted by the switch assembly;
the controller is configured to:
when the processing device detects the electric signal input by the switch component, the time of receiving the electric signal of the switch component last time is determined by taking the electric signal received this time as a standard, and the time interval of receiving the electric signal twice is determined;
if the interval duration is greater than the preset threshold parameter, the controller responds to the electric signal input by the switch component;
and if the interval duration is less than the preset threshold parameter, the controller shields and responds to the electric signal input by the switch component.
7. The refrigerator according to claim 5, wherein the threshold parameter is a maximum number of times that the switch assembly inputs an electrical signal to be responded after a door body of the refrigerator is opened last time;
the controller is configured to:
when the processing device detects the electric signal input by the switch assembly, judging whether the detected electric signal exceeds the preset maximum number of times that the electric signal input by the switch assembly is responded after the door body of the refrigerator is opened for the last time;
if the received electric signal does not exceed the threshold parameter, the controller responds to the electric signal input by the switch component at this time;
and if the electric signal received this time exceeds the threshold parameter, the controller shields and responds the electric signal input by the switch component this time.
8. An evacuation protection control method applied to the refrigerator according to claim 6, the control method comprising:
s1, inputting the single vacuumizing time length and the threshold parameter through the input device, and setting the single vacuumizing time length as the time length T1，The threshold parameter is set to a duration T2Wherein, T2Greater than T1；
S2, when the processing device detects the electric signal of the switch component for the first time, the vacuumizing component is communicated with the circuit to continuously suck the air in the vacuum storage device, the processing device enters a detection state, and the time T passes1Then, the vacuumizing assembly stops vacuumizing;
s3, the processing device is in the preset time length T2In that the processing means enters a detection state, detecting the electrical signal of the switch assembly, in the duration T2The processing device shields the detected electric signal response of the switch assembly, and the vacuumizing assembly works according to the working state corresponding to the first detected electric signal of the switch assembly;
s4, lapse of time T2Then, the processing device cancels the detection state;
s5, repeating S2-S4 when the processing device receives the electrical signal of the switch assembly again.
9. An evacuation protection control method applied to the refrigerator according to claim 7, the control method comprising:
s1, inputting the single vacuumizing time length and the threshold parameter through the input device, and setting the single vacuumizing time length as the time length T1，The threshold parameter is set to N;
s2, when the processing device detects the electric signal of the switch component for the first time, the vacuumizing component is communicated with the circuit to continuously suck the air in the vacuum storage device, the processing device enters a detection state, and the time T passes1Then, the vacuumizing assembly stops vacuumizing;
s3, after the door body of the refrigerator is opened, the processing device immediately enters a detection state and is used for detecting the electric signal of the switch assembly, if the frequency of the electric signal of the switch assembly received by the processing device is greater than the threshold parameter N, the processing device shields the electric signal received after responding N times, and the vacuumizing assembly works according to the working state corresponding to the electric signal of the switch assembly detected for the Nth time;
s4, after the door body of the refrigerator is closed, the processing device cancels the detection state;
and S5, repeating S2-S4 when the processing device receives the electric signal of the switch assembly after the door body of the refrigerator is opened again.
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| CN202010817968.9A CN114076446A (en) | 2020-08-14 | 2020-08-14 | Refrigerator and vacuumizing protection control method applied to refrigerator |
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| CN202010817968.9A CN114076446A (en) | 2020-08-14 | 2020-08-14 | Refrigerator and vacuumizing protection control method applied to refrigerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739106A (en) * | 2022-04-25 | 2022-07-12 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| WO2023169342A1 (en) * | 2022-03-09 | 2023-09-14 | 青岛海尔电冰箱有限公司 | Vacuum storage apparatus, control method, and refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009036441A (en) * | 2007-08-02 | 2009-02-19 | Hitachi Appliances Inc | Refrigerator |
| CN101948029A (en) * | 2010-07-13 | 2011-01-19 | 海尔集团公司 | Vacuum preservation device, refrigerator and control method of vacuum preservation device |
| CN204214187U (en) * | 2014-10-20 | 2015-03-18 | 齐璇 | The refrigerator of adjustable storeroom gas composition |
| CN210532797U (en) * | 2019-05-27 | 2020-05-15 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN111380281A (en) * | 2018-12-29 | 2020-07-07 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN114076441A (en) * | 2020-08-10 | 2022-02-22 | 海信（山东）冰箱有限公司 | Refrigerator and vacuumizing protection control method |
-
2020
- 2020-08-14 CN CN202010817968.9A patent/CN114076446A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009036441A (en) * | 2007-08-02 | 2009-02-19 | Hitachi Appliances Inc | Refrigerator |
| CN101948029A (en) * | 2010-07-13 | 2011-01-19 | 海尔集团公司 | Vacuum preservation device, refrigerator and control method of vacuum preservation device |
| CN204214187U (en) * | 2014-10-20 | 2015-03-18 | 齐璇 | The refrigerator of adjustable storeroom gas composition |
| CN111380281A (en) * | 2018-12-29 | 2020-07-07 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN210532797U (en) * | 2019-05-27 | 2020-05-15 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN114076441A (en) * | 2020-08-10 | 2022-02-22 | 海信（山东）冰箱有限公司 | Refrigerator and vacuumizing protection control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023169342A1 (en) * | 2022-03-09 | 2023-09-14 | 青岛海尔电冰箱有限公司 | Vacuum storage apparatus, control method, and refrigerator |
| CN114739106A (en) * | 2022-04-25 | 2022-07-12 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
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Application publication date: 20220222 |