CN112393516A - A kind of refrigerator - Google Patents
A kind of refrigerator Download PDFInfo
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- CN112393516A CN112393516A CN201910757477.7A CN201910757477A CN112393516A CN 112393516 A CN112393516 A CN 112393516A CN 201910757477 A CN201910757477 A CN 201910757477A CN 112393516 A CN112393516 A CN 112393516A
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- Prior art keywords
- vacuum
- vacuumizing
- controlling
- storage bag
- input unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
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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
-
- 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
- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention discloses a refrigerator, which comprises a vacuum packaging device, a control unit and an input unit, wherein the input unit is used for receiving a vacuum packaging instruction issued by a user, the control unit is used for controlling a driving device to start after the input unit receives the vacuum packaging instruction issued by the user, so that an upper vacuum cavity and a lower vacuum cavity respectively descend in a first stage and descend in a second stage to clamp a storage bag in the refrigerator, then a vacuum pump is controlled to start to vacuumize a vacuumized area, and a plastic packaging part is controlled to heat and plastically package the storage bag when the pressure value in the vacuumized area meets a preset condition. The input unit is used for receiving various control instructions issued by a user, and the control unit is used for controlling the vacuum packaging device to execute corresponding control instructions, so that automatic vacuumizing operation can be realized on a storage bag in the refrigerator, food materials in different areas of the refrigerator can be stored through the storage bag, a specific area is not needed for storage, and food materials in other areas of the refrigerator can be stored in a fresh-keeping mode.
Description
Technical Field
The embodiment of the invention belongs to the technical field of refrigerators, and particularly relates to a refrigerator.
Background
The fresh-keeping technology is a technology which is focused on and developed in the ice-cold industry in recent years. From the technical classification, the method can be mainly divided into the control of temperature, humidity, gas, microorganisms and the like related to food materials, wherein the study on temperature and humidity is deep. In recent years, gas conditioning technology has gradually spread from the food production industry to the household electrical industry. The main purpose of the method is to inhibit the self-respiration of food and the respiration of microorganisms, so that the method becomes an important measure for the oxygen control technology. The most direct and convenient way to reduce the oxygen concentration is vacuum technology, so vacuum packaging technology and vacuum packaging machines are produced at the same time. The food packaging method is a relatively simple and effective mode that food is packaged by a specific packaging material, air in the specific packaging material is pumped out through negative pressure, and then sealing is carried out, so that the food preservation period is prolonged. Generally, in a vacuum packaging technology implemented in a refrigerator, a sealed drawer is mainly arranged in the refrigerator, and a vacuum pump arranged outside the drawer is used for performing vacuum pumping treatment, so that the drawer is kept in a negative pressure state. However, the food in the drawer can only be vacuumized, and the food in other areas of the refrigerator cannot be preserved.
Disclosure of Invention
The embodiment of the invention provides a refrigerator, which is used for realizing automatic vacuumizing operation of a storage bag in the refrigerator, so that food materials in different areas of the refrigerator can be stored through the storage bag, and the food materials in other areas of the refrigerator can be kept fresh.
In a first aspect, an embodiment of the present invention provides a refrigerator, including: the device comprises a vacuum packaging device, a control unit and an input unit;
the vacuum packaging apparatus includes: the vacuum pump comprises a lower vacuum cavity fixed on the door body and an upper vacuum cavity moving up and down under the action of a driving device, wherein the upper vacuum cavity is in butt joint with the lower vacuum cavity to form a vacuum pumping area, and the vacuum pumping area is communicated with a vacuum pump; the plastic packaging part is used for heating and plastic packaging the storage bag;
the input unit is used for receiving a vacuum packaging instruction issued by a user;
the control unit is used for controlling the driving device to start after the input unit receives a vacuum packaging instruction issued by the user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator; and then controlling the vacuum pump to start and vacuumize the vacuumizing area, and controlling the plastic package part to heat and plastically package the storage bag when the pressure value in the vacuumizing area meets the preset condition.
Optionally, the control unit is further configured to control the pressure of the vacuum-pumping area to return to atmospheric pressure after controlling the heating and plastic-sealing of the storage bag for a set time; and controlling the driving device to start so as to enable the upper vacuum cavity to rise to the initial position.
Optionally, the input unit is further configured to receive a sealing instruction issued by a user;
the control unit is further used for controlling the driving device to start after the input unit receives a sealing instruction issued by a user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator, and the plastic packaging part is controlled to heat and plastically package the storage bag.
Optionally, the input unit is further configured to receive a manual vacuum pumping instruction issued by a user;
the control unit is further used for judging whether the upper vacuum cavity and the lower vacuum cavity clamp the storage bag or not after the input unit receives a manual vacuumizing instruction issued by a user, controlling the vacuum pump to start to vacuumize the vacuumizing area if the storage bag is clamped by the upper vacuum cavity and the lower vacuum cavity, and controlling the vacuum pump to stop vacuumizing the vacuumizing area after the vacuum pump is started for a set time or after the input unit does not receive the manual vacuumizing instruction; if not, controlling the driving device to start, and enabling the upper vacuum cavity to descend towards the lower vacuum cavity in the first stage and descend in the second stage respectively to clamp the storage bag in the refrigerator; and controlling the vacuum pump to start to vacuumize the vacuumized area, and controlling the vacuum pump to stop vacuuming the vacuumized area after the vacuum pump is started for a set time or the input unit cannot receive a manual vacuumizing instruction.
Optionally, the input unit is further configured to receive a sealing instruction issued by a user; and the control unit controls the plastic package part to heat and carry out plastic package on the storage bag after the vacuum pump is controlled to stop and the input unit receives a sealing instruction issued by a user.
Optionally, the control unit is specifically configured to:
controlling the upper vacuum chamber to descend to the lower vacuum chamber at a first speed for a first stage;
after the upper vacuum cavity is determined to descend to a first preset distance, controlling the upper vacuum cavity to descend to the lower vacuum cavity at a second speed for a second stage until the upper vacuum cavity and the lower vacuum cavity are controlled to clamp the seal of the storage bag or the upper vacuum cavity is controlled to descend to a second preset distance at the second speed;
wherein the first speed is greater than the second speed.
Optionally, the control unit is further configured to control the driving device to start up after the storage bag is controlled to be heated and plastically sealed for a set time, so that the upper vacuum cavity is raised to an initial position at a third speed.
Optionally, the control device unit is specifically configured to:
and when the pressure value of the vacuumizing area reaches a first pressure value or the vacuumizing time reaches preset vacuumizing time, controlling the plastic package part to heat and plastically package the storage bag.
Optionally, the control unit is further configured to:
in the process of vacuumizing, when the pressure value of the vacuumizing area reaches a second pressure value and the pressure value in the preset time is changed to be smaller than a third pressure value, determining that the vacuumizing is abnormal, and controlling the vacuum pump to stop vacuumizing the vacuumizing area;
wherein the first pressure value is greater than the second pressure value; the second pressure value is greater than the third pressure value.
Optionally, the input unit is further configured to receive a stop instruction issued by a user;
the control unit is further used for controlling the vacuum pump to stop vacuumizing the vacuumizing area or controlling the plastic package part to stop heating and plastic package after the input unit receives a stop instruction issued by a user, and controlling the driving device to start so that the upper vacuum cavity rises to an initial position at a third speed.
The embodiment of the invention provides a refrigerator, which comprises: vacuum packaging apparatus, control unit, input unit, vacuum packaging apparatus includes: the vacuum bag sealing device comprises a lower vacuum cavity fixed on a door body, and an upper vacuum cavity moving up and down under the action of a driving device, wherein the upper vacuum cavity is in butt joint with the lower vacuum cavity to form a vacuumizing area, the vacuumizing area is communicated with a vacuum pump, and the vacuum bag sealing device further comprises a plastic packaging part used for heating and plastic packaging the storage bag. The refrigerator comprises an input unit for receiving a vacuum packaging instruction issued by a user, a control unit for controlling the driving device to start after the input unit receives the vacuum packaging instruction issued by the user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator, then the vacuum pump is controlled to start to vacuumize the vacuumized area, and when the pressure value in the vacuumized area meets the preset condition, the plastic packaging part is controlled to perform heating plastic packaging on the storage bag. The input unit is used for receiving various control instructions issued by a user, and the control unit is used for controlling the vacuum packaging device to execute corresponding control instructions, so that automatic vacuumizing operation can be realized on a storage bag in the refrigerator, food materials in different areas of the refrigerator can be stored through the storage bag, a specific area is not needed for storage, and food materials in other areas of the refrigerator can be stored in a fresh-keeping mode.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vacuum packaging apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a refrigerator according to an embodiment of the present invention;
fig. 3 is a schematic view of a refrigerator according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view illustrating a vacuum packaging apparatus according to an embodiment of the present invention;
fig. 5 is a schematic view of a vacuum packaging apparatus according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of the vacuum-pumping plastic package according to the embodiment of the present invention;
FIG. 7 is a schematic view illustrating a process of descending a lower vacuum chamber according to an embodiment of the present invention;
fig. 8 is a schematic flow chart of the vacuum-pumping plastic package according to the embodiment of the present invention;
FIG. 9 is a schematic flow chart of deflation provided in accordance with an embodiment of the present invention;
fig. 10 is a schematic view of a control panel of a refrigerator according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 exemplarily illustrates a structure of a refrigerator provided by an embodiment of the present invention, which may include an input unit 100, a control unit 200, and a vacuum packaging apparatus 300.
The input unit 100 may be connected to various control keys disposed on a control panel of the refrigerator, and is configured to receive various control commands issued by a user and send the received various control commands to the control unit 200.
The control unit 200 may be an integrated circuit chip with a control function, such as a controller or a processor, and may specifically be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The control unit 200 controls the vacuum packaging apparatus 300 to perform corresponding control operations after receiving various control commands sent by the input unit 100 and issued by the user.
It should be noted that, in the implementation process, the control unit 200 and the input unit 100 may be integrated with the vacuum packaging apparatus 300, or may be installed as separate components at different positions of the refrigerator.
In the specific implementation process, the vacuum sealing device 300 provided in the embodiment of the present invention may be installed at a position as shown in fig. 2, and the vacuum sealing device 300 may be disposed on a refrigerating door 401 of a refrigerator, or may be disposed on a freezing door 402, and since the refrigerating door 401 is located at the upper side, it is usually preferably disposed on the refrigerating door 401 in order to meet the use habit of a user.
As shown in fig. 3, the vacuum packaging apparatus of the refrigerator includes a first portion 11 and a second portion 12 as an embodiment. A control panel 4011 is provided on a refrigerator door 4012 of the refrigerator door 401, and may be a display panel for user convenience.
Specifically, as shown in fig. 4, the vacuum packaging apparatus 300 may include: the vacuum device comprises a lower vacuum cavity 312 fixed on the door body and an upper vacuum cavity 311 moving up and down under the action of a driving device, wherein the upper vacuum cavity 311 is butted with the lower vacuum cavity 312 to form a vacuum-pumping area 310, and the vacuum-pumping area 310 is communicated with a vacuum pump 320. The vacuum packaging apparatus 300 further includes a plastic packaging part 330, and the plastic packaging part 330 is used for heating and plastic packaging the storage bag.
As a possible implementation manner, as shown in fig. 4, the upper vacuum chamber 311 may be located on an upper support 313, the lower vacuum chamber 312 may be located on a lower support 314, after the upper vacuum chamber 311 moves to the lower vacuum chamber 312, the upper vacuum chamber 311 and the lower vacuum chamber 312 are sealed in a butt joint manner to form a vacuum pumping region 310, and the control unit 200 may control the upper support 313 to automatically lift and lower, so as to lock and unlock the upper vacuum chamber 311 and the lower vacuum chamber 312, thereby implementing automatic vacuum packaging and improving the intelligence of the refrigerator. The vacuum-pumping region 310 may be connected to the vacuum pump 320 through a pipe 360, so that the vacuum pump 320 can vacuum the vacuum-pumping region 310.
In order to improve the sealing performance of the vacuum-pumping region 310, a first sealing groove 315 is disposed on the outer periphery of the upper vacuum chamber 311, a second sealing groove 316 is disposed on the outer periphery of the lower vacuum chamber 312, a sealing ring 317 is disposed in the first sealing groove 315 and the second sealing groove 316, and the two sealing rings 317 disposed in the first sealing groove 315 and the second sealing groove 316 seal the vacuum-pumping region 310 inside, thereby realizing reliable sealing of the vacuum-pumping region 310.
In addition, a packaging area 331 is arranged outside the vacuuming area 310, a heat insulation pad 332 and a plastic package portion 330 are arranged in the packaging area 331, the heat insulation pad 332 and the plastic package portion 330 are arranged in opposition to each other, specifically, the plastic package portion 330 is arranged in a groove on the lower surface of the upper support 313, the heat insulation pad 332 is arranged in a groove on the upper surface of the lower support 314, and when the driving device drives the upper support 313 to move to the vacuuming area 310 which forms a seal with the lower support 314, the heat insulation pad 332 in the packaging area 331 abuts against the plastic package portion 330. After the control unit 200 controls the vacuum pump 320 to perform vacuum pumping, the plastic package part 330 of the package area 331 can perform plastic package on the storage bag rapidly, and after the plastic package part 330 operates for a set time, the driving device drives the upper support 313 to move upwards, so that a user can draw out the storage bag to perform plastic package on the storage bag.
As shown in fig. 5, the vacuum packaging apparatus 300 may further include a pressure sensing device 340 and a pressure relief device 350. The vacuum pump 320 and the pressure sensing device 340 are connected to the evacuated region 310 via a line 360. The vacuum pump 320 is used for vacuumizing the vacuumized area 310, the pressure sensing device 340 is used for determining whether the pressure value in the vacuumized area 310 meets a preset condition, and after determining that the preset condition is met, the vacuum pump 320 stops vacuumizing. The vacuum pump 320 is used for pumping vacuum to the vacuumized area 310 under the control of the control unit 200, and the pressure sensing device 340 is used for sensing the pressure value in the vacuumized area 310 in real time and sending a pressure instruction to the control unit 200 when the pressure value in the vacuumized area 310 reaches a preset condition, so that the control unit 200 controls the vacuum pump 320 to stop working according to the pressure instruction.
The vacuum pump 320, the vacuum-pumping region 310, the pressure-sensing device 340, and the like are connected by a pipeline 360 made of silica gel or other materials, and the joints are required to be sealed. The vacuum pump 320 is used to provide negative pressure within the system. The pressure sensing device 340 is connected to the vacuum-pumping region 310 through a three-way valve, and indicates the pressure value in the vacuum-pumping region 310 in real time. When the pressure value in the vacuuming area 310 reaches the preset condition, the pressure sensing device 340 transmits the data to the control unit 200, and after the control unit 200 determines that the data is the preset condition, the control unit gives a command to the vacuum pump 320 to stop the vacuum pump 320, and then the sealing procedure is performed.
The pressure relief device 350 is used to relieve pressure in the evacuated region 310 and open the evacuated region 310. The pressure relief device 350 is connected to the pressure sensing device 340 and the evacuated region 310 by a tee. During the vacuum pumping operation, the pressure relief device 350 maintains the sealing state of the pipe 360 and the vacuum region 310. When the evacuation and sealing are finished or the user selects "after the program is stopped", the control unit 200 sends a signal to the pressure relief device 350, and the pressure relief device 350 opens the sealing valve of the pipeline 360, so that the external atmosphere enters the evacuation area 310 through the pipeline 360, and the pressure is released.
The plastic sealing part 330 may include a heating wire and a pressing rubber strip, which are respectively located at the outer sides of the upper vacuum chamber 311 and the lower vacuum chamber 312. And when the pressure value in the vacuumizing area 310 is determined to meet the preset condition, the heating wires and the pressing rubber strips perform hot-melt sealing on the storage bag.
Based on the structure of the refrigerator, fig. 6 shows a process of automatic vacuum-pumping plastic package, which specifically includes:
The input unit can receive a vacuum packaging instruction issued by a user, wherein the vacuum packaging instruction can be issued by the user through a control key on the refrigerator or a man-machine interaction device, or can be issued through a terminal device provided with an application program related to the refrigerator.
In step 602, the control unit controls the driving device to start, so that the upper vacuum chamber descends towards the lower vacuum chamber in the first stage and descends in the second stage respectively to clamp the storage bag in the refrigerator.
The process of controlling the driving device to drive the upper vacuum chamber to move towards the lower vacuum chamber by the control unit can be divided into two stages. Specifically, the process shown in fig. 7 includes:
in step 701, the upper vacuum chamber is lowered at a first speed for a first period.
The upper vacuum chamber moves to the lower vacuum chamber at a first speed under the driving of the driving device, which is a process that the upper vacuum chamber descends rapidly.
Step 702 is executed to determine whether the upper vacuum chamber is lowered to a first predetermined distance, if yes, the process proceeds to step 703, and if not, the process proceeds to step 701.
After the upper vacuum chamber moves to the first preset distance, the second stage of descending can be carried out.
In step 703, the upper vacuum chamber is lowered at a second speed for a second stage.
The upper vacuum chamber moves to the lower vacuum chamber at a second speed under the driving of the driving device, which is a slow descending stage to ensure the sealing performance of the upper vacuum chamber and the lower vacuum chamber.
After the upper vacuum chamber moves to the second preset distance, the upper vacuum chamber does not need to descend any more.
And after the upper vacuum cavity stops descending, the driving device stops driving, but keeps the output not closed, and keeps the downward pressure of the upper vacuum cavity, so that the vacuum pumping stage is started for vacuum pumping.
It should be noted that the first speed is greater than the second speed, the first preset distance, the second preset distance, the first speed and the second speed may be set empirically, and the first preset distance and the second preset distance may be implemented by controlling a preset number of steps of the electric motor.
In a specific implementation process, in combination with the structure shown in fig. 4, the driving device may drive the upper support to move in a direction approaching the lower support at a higher speed, so that the sealing ring in the first sealing groove on the upper support contacts the sealing ring in the second sealing groove on the lower support, and then move to the lower support at a lower speed until the sealing ring has a set deformation amount, and then stop. Specifically, the vacuum pump can be quickly lowered in the initial stage, and the vacuum pump is started after the upper sealing ring and the lower sealing ring are contacted; the vacuumizing packaging efficiency is improved; and the upper support moves downwards with low rotating speed and large acting force until the sealing ring has set deformation and stops, so that the sealing performance of the vacuum-pumping area can be improved, and the hidden danger that the vacuum-pumping area is too slow in vacuum-pumping or cannot be vacuumized due to air leakage is avoided.
The flow shown in fig. 7 may be a flow in which the upper vacuum chamber is lowered.
And 603, controlling a vacuum pump to start to vacuumize the vacuumized area by the control unit, and controlling the plastic packaging part to heat and package the storage bag when the pressure value of the vacuumized area meets the preset condition.
The preset condition can be one or any combination of the following conditions: the pressure value reaches a first pressure value; and the vacuumizing time reaches the preset vacuumizing time. In addition, an abnormal detection condition is set, and the abnormal detection condition can be that the pressure value reaches the second pressure value and the pressure value changes less than the third pressure value after the preset time. Wherein the first pressure value is greater than the second pressure value; the second pressure value is greater than the third pressure value. The first pressure value, the second pressure value, the third pressure value, the preset vacuumizing time and the preset time can be set according to experience.
Specifically, the vacuum pumping device 300 may be configured to stop the vacuum pumping of the vacuum pumping area when it is determined that the pressure value in the vacuum pumping area reaches the first pressure value or the vacuum pumping time reaches the preset vacuum pumping time. In addition, the vacuum-pumping device 300 can also determine that the pressure value in the vacuum-pumping area reaches the second pressure value and the pressure value in the preset time is changed to be smaller than the third pressure value in the vacuum-pumping process, determine that the vacuum-pumping is abnormal, stop the vacuum-pumping of the vacuum-pumping area, release the pressure of the vacuum-pumping area, and open the vacuum-pumping area.
After the upper vacuum chamber contacts with the lower vacuum chamber to clamp the storage bag, the control unit may execute a vacuum-pumping and plastic-sealing process, as shown in fig. 8, specifically, the process includes:
The pressure sensing device in the vacuum packaging device can determine whether the pressure value in the vacuumizing area reaches a first pressure value or not, and after the pressure value in the vacuumizing area reaches the first pressure value, a pressure instruction is sent to the control unit, and the control unit controls the vacuum pump to stop vacuumizing.
In step 802, the control unit determines whether the vacuum pumping time reaches a preset vacuum pumping time, if so, the process goes to step 806, otherwise, the process goes to step 803.
The control unit may determine whether the evacuation time reaches a preset evacuation time, and control the vacuum pump to stop evacuation when it is determined that the preset evacuation time is reached.
In step 803, the vacuum packaging apparatus determines whether the pressure value in the vacuuming area reaches the second pressure value, if so, step 804 is performed, otherwise, step 801 is performed.
When the pressure value in the vacuumizing area reaches the second pressure value and the pressure value in the vacuumizing area changes to be smaller than the third pressure value after the preset time through the pressure sensing device, the vacuum packaging device determines that the vacuumizing process is abnormal, for example, the sealing of the pressing strip is poor, or foreign matters enter, the sealing is folded, the bag is broken and the like, and the vacuumizing needs to be finished in advance. At this time, an abnormal instruction may be issued to the control unit, and the control unit may control the vacuum pump to stop vacuum pumping.
After the vacuum packaging device determines that the vacuumizing is abnormal, an abnormal instruction is sent to the control unit, and the control unit can control the vacuum pump to stop vacuumizing and control a pressure relief device in the vacuum packaging device to relieve pressure in a vacuumizing area.
And 806, stopping vacuumizing, and sealing and heating.
And step 807, delaying the first time to enter the air leakage stage after the heating operation of the seal reaches the set time.
After the control unit controls the plastic packaging part to heat and package the storage bag for the heating time, the air leakage stage can be started after the first time delay. The set time and the first time may be set empirically.
And after the control unit controls the plastic packaging part to heat and package the storage bag for a set time, the control unit controls the driving device to start, so that the upper vacuum cavity rises to the initial position at a third speed. This process may be referred to as a deflation process, and in particular, it can be seen that the process shown in fig. 9 includes:
and step 901, controlling the air leakage device to perform air leakage operation by the control unit.
And the control unit controls the air leakage device to open the valve to perform pipeline air leakage.
And step 902, the control unit determines whether the air leakage exceeds the air leakage time, if so, the step 903 is executed, and otherwise, the step 901 is executed. The deflation time may be set empirically.
In step 903, the control unit controls the driving device to start, so that the upper vacuum cavity rises.
The control unit can control the driving device to start, and drives the upper vacuum cavity to move upwards at a third speed to be separated from the lower vacuum cavity, so that the vacuum cavity is opened. Note that the third speed is higher than the second speed. The third speed may be set empirically.
In step 904, it is determined whether the upper vacuum chamber has risen to the predetermined number of steps, and if so, the process is terminated, otherwise, the process proceeds to step 903.
The control unit can judge whether the ascending of the upper vacuum cavity reaches the set step number, and is also equivalent to determining whether the upper vacuum cavity ascends to the initial position.
It should be noted that the above-mentioned flow of automatic vacuum-pumping and plastic-sealing shown in fig. 6 can be completed by one-key operation through a control key on the refrigerator. As shown in fig. 10, a user can implement the control panel of the refrigerator by using a "vacuum pumping and plastic packaging" key, and when the user clicks the "vacuum pumping and plastic packaging" key, which is equivalent to issuing a vacuum packaging instruction, the input unit can receive the vacuum packaging instruction issued by the user and send the vacuum packaging instruction to the control unit, so as to implement the flow of automatic vacuum pumping and plastic packaging as shown in fig. 6.
Optionally, the input unit may further receive a sealing instruction issued by a user, and the control unit controls the driving device to start after the input unit receives the sealing instruction issued by the user, so that the upper vacuum chamber descends towards the lower vacuum chamber in the first stage and descends in the second stage respectively to clamp the storage bag in the refrigerator, and controls the plastic sealing part to heat and plastically seal the storage bag.
The sealing instruction issued by the user can be implemented by a "sealing" button on the control panel of the refrigerator shown in fig. 10, and when the user clicks the "sealing" button, which is equivalent to issuing a sealing instruction, the input unit can receive the sealing instruction issued by the user and send the sealing instruction to the control unit, so as to implement the flow of descending the upper vacuum cavity shown in fig. 7 and the plastic packaging flow in the vacuum pumping plastic packaging flow shown in fig. 8. The specific steps have been described in detail in the above embodiments, and are not described herein again.
Optionally, the input unit may further receive a manual vacuum pumping instruction issued by a user, the control unit determines whether the upper vacuum chamber and the lower vacuum chamber clamp the storage bag after the input unit receives the manual vacuum pumping instruction issued by the user, if so, controls the vacuum pump to start to pump the vacuum pumping area, and controls the vacuum pump to stop pumping the vacuum pumping area after the vacuum pump is started for a set time or after the input unit does not receive the manual vacuum pumping instruction; if not, the driving device is controlled to be started, the upper vacuum cavity is enabled to descend towards the lower vacuum cavity in the first stage and descend in the second stage respectively to clamp the storage bag in the refrigerator, then the vacuum pump is controlled to be started to vacuumize the vacuumized area, and the vacuum pump is controlled to stop vacuuming the vacuumized area after the vacuum pump is started for a set time or the input unit cannot receive a manual vacuumizing instruction. The starting set time of the vacuum pump can be set according to experience, for example, several seconds or dozens of seconds, and in the process of vacuumizing, a user needs to judge the vacuum degree of a vacuumizing area by himself.
The manual vacuum instruction issued by the user can be realized by a "manual vacuum" button on a control panel of the refrigerator shown in fig. 10, when the user clicks the "manual vacuum" button, the manual vacuum instruction is issued, and the input unit can receive the manual vacuum instruction issued by the user and send the manual vacuum instruction to the control unit, so as to realize a manual vacuum-pumping process. The user can click "manual evacuation" button by oneself according to the vacuum in the storing bag at the concrete implementation in-process and carry out the evacuation. For example, a "manual pump" button may be configured to automatically pump a few seconds at a time and then pump again until the user believes that the pump is complete. Or the user can press the manual vacuumizing key all the time, the manual vacuumizing key is vacuumized all the time when being pressed all the time, and the vacuumizing is stopped when the user stops pressing the manual vacuumizing key, so that the manual vacuumizing operation of the user is realized. Of course, before the control unit performs the manual vacuum pumping, it is necessary to determine whether the upper vacuum chamber and the lower vacuum chamber clamp the bag, and if not, it is necessary to perform the process of descending the upper vacuum chamber as shown in fig. 7.
Furthermore, after the control unit executes the manual vacuumizing instruction, the control unit can also receive a sealing instruction issued by a user, and then controls the plastic packaging part to heat and package the storage bag. Equivalently, after the user manually vacuumizes, the user can click a 'seal' button on the control panel shown in fig. 10, equivalently, a seal instruction is issued, the input unit can receive the seal instruction issued by the user and send the seal instruction to the control unit, and because the upper vacuum chamber and the lower vacuum chamber clamp the storage bag in the manual vacuuming process, the control unit only executes the plastic package flow in the vacuumizing plastic package flow shown in fig. 8, and the flow of descending the upper vacuum chamber shown in fig. 7 is not required to be executed.
In addition, the input unit can also receive a stop instruction issued by a user, the control unit controls the vacuum pump to stop vacuumizing the vacuumizing area or controls the plastic packaging part to stop heating and plastic packaging after determining that the input unit receives the stop instruction issued by the user, and controls the driving device to start, so that the upper vacuum cavity rises to the initial position at a third speed.
The stop instruction issued by the user can be implemented by a "stop" button on the control panel of the refrigerator shown in fig. 10, and when the user clicks the "stop" button, which is equivalent to issuing the stop instruction, the input unit can receive the stop instruction issued by the user and send the stop instruction to the control unit, so as to implement the air-bleeding process shown in fig. 9. When the user thinks that the vacuumizing packaging device determines that the vacuumizing is abnormal at the moment in the process of vacuumizing, the user realizes the process of ending the vacuumizing in advance by clicking the stop button. The specific steps have been described in detail in the above embodiments, and are not described herein again.
The key may be an entity key or a touch key, which is not limited in the embodiments of the present invention.
The above embodiments show that a refrigerator may include: vacuum packaging apparatus, control unit, input unit, vacuum packaging apparatus includes: the vacuum bag sealing device comprises a lower vacuum cavity fixed on a door body, and an upper vacuum cavity moving up and down under the action of a driving device, wherein the upper vacuum cavity is in butt joint with the lower vacuum cavity to form a vacuumizing area, the vacuumizing area is communicated with a vacuum pump, and the vacuum bag sealing device further comprises a plastic packaging part used for heating and plastic packaging the storage bag. The refrigerator comprises an input unit for receiving a vacuum packaging instruction issued by a user, a control unit for controlling the driving device to start after the input unit receives the vacuum packaging instruction issued by the user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator, then the vacuum pump is controlled to start to vacuumize the vacuumized area, and when the pressure value in the vacuumized area meets the preset condition, the plastic packaging part is controlled to perform heating plastic packaging on the storage bag. The input unit is used for receiving various control instructions issued by a user, and the control unit is used for controlling the vacuum packaging device to execute corresponding control instructions, so that automatic vacuumizing operation can be realized on a storage bag in the refrigerator, food materials in different areas of the refrigerator can be stored through the storage bag, a specific area is not needed for storage, and food materials in other areas of the refrigerator can be stored in a fresh-keeping mode.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A refrigerator, characterized by comprising: the device comprises a vacuum packaging device, a control unit and an input unit;
the vacuum packaging apparatus includes: the vacuum pump comprises a lower vacuum cavity fixed on the door body and an upper vacuum cavity moving up and down under the action of a driving device, wherein the upper vacuum cavity is in butt joint with the lower vacuum cavity to form a vacuum pumping area, and the vacuum pumping area is communicated with a vacuum pump; the plastic packaging part is used for heating and plastic packaging the storage bag;
the input unit is used for receiving a vacuum packaging instruction issued by a user;
the control unit is used for controlling the driving device to start after the input unit receives a vacuum packaging instruction issued by the user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator; and then controlling the vacuum pump to start and vacuumize the vacuumizing area, and controlling the plastic package part to heat and plastically package the storage bag when the pressure value of the vacuumizing area meets the preset condition.
2. The refrigerator according to claim 1, wherein the control unit is further configured to control the evacuation area to return to atmospheric pressure after controlling the heating and plastic sealing of the storage bag for a set time; and controlling the driving device to start so as to enable the upper vacuum cavity to rise to the initial position.
3. The refrigerator as claimed in claim 1, wherein the input unit is further configured to receive a sealing instruction issued by a user;
the control unit is further used for controlling the driving device to start after the input unit receives a sealing instruction issued by a user, so that the upper vacuum cavity descends towards the lower vacuum cavity in a first stage and descends in a second stage respectively to clamp a storage bag in the refrigerator, and the plastic packaging part is controlled to heat and plastically package the storage bag.
4. The refrigerator according to claim 1, wherein the input unit is further configured to receive a manual vacuum-pumping command issued by a user;
the control unit is further used for judging whether the upper vacuum cavity and the lower vacuum cavity clamp the storage bag or not after the input unit receives a manual vacuumizing instruction issued by a user, controlling the vacuum pump to start to vacuumize the vacuumizing area if the storage bag is clamped by the upper vacuum cavity and the lower vacuum cavity, and controlling the vacuum pump to stop vacuumizing the vacuumizing area after the vacuum pump is started for a set time or after the input unit does not receive the manual vacuumizing instruction; if not, controlling the driving device to start, and enabling the upper vacuum cavity to descend towards the lower vacuum cavity in the first stage and descend in the second stage respectively to clamp the storage bag in the refrigerator; and controlling the vacuum pump to start to vacuumize the vacuumized area, and controlling the vacuum pump to stop vacuuming the vacuumized area after the vacuum pump is started for a set time or the input unit cannot receive a manual vacuumizing instruction.
5. The refrigerator according to claim 4, wherein the input unit is further configured to receive a sealing instruction issued by a user; and the control unit controls the plastic package part to heat and carry out plastic package on the storage bag after the vacuum pump is controlled to stop and the input unit receives a sealing instruction issued by a user.
6. The refrigerator according to any one of claims 1 to 5, characterized in that the control unit is specifically configured to:
controlling the upper vacuum chamber to descend to the lower vacuum chamber at a first speed for a first stage;
after the upper vacuum cavity is determined to descend to a first preset distance, controlling the upper vacuum cavity to descend to the lower vacuum cavity at a second speed for a second stage until the upper vacuum cavity and the lower vacuum cavity are controlled to clamp the seal of the storage bag or the upper vacuum cavity is controlled to descend to a second preset distance at the second speed;
wherein the first speed is greater than the second speed.
7. The refrigerator according to claim 6, wherein the control unit is further configured to control the driving device to start up to raise the upper vacuum chamber to the initial position at a third speed after controlling the plastic packaging part to heat and plastic-package the storage bag for a set time.
8. The refrigerator according to claim 6, wherein the control device unit is specifically configured to:
and when the pressure value of the vacuumizing area reaches a first pressure value or the vacuumizing time reaches preset vacuumizing time, controlling the plastic package part to heat and plastically package the storage bag.
9. The refrigerator of claim 8, wherein the control unit is further configured to:
in the process of vacuumizing, when the pressure value of the vacuumizing area reaches a second pressure value and the pressure value in the preset time is changed to be smaller than a third pressure value, determining that the vacuumizing is abnormal, and controlling the vacuum pump to stop vacuumizing the vacuumizing area;
wherein the first pressure value is greater than the second pressure value; the second pressure value is greater than the third pressure value.
10. The refrigerator according to claim 6, wherein the input unit is further configured to receive a stop instruction issued by a user;
the control unit is further used for controlling the vacuum pump to stop vacuumizing the vacuumizing area or controlling the plastic package part to stop heating and plastic package after the input unit receives a stop instruction issued by a user, and controlling the driving device to start so that the upper vacuum cavity rises to an initial position at a third speed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757477.7A CN112393516A (en) | 2019-08-16 | 2019-08-16 | A kind of refrigerator |
| PCT/CN2020/094493 WO2021031658A1 (en) | 2019-08-16 | 2020-06-05 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757477.7A CN112393516A (en) | 2019-08-16 | 2019-08-16 | A kind of refrigerator |
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| CN112393516A true CN112393516A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910757477.7A Pending CN112393516A (en) | 2019-08-16 | 2019-08-16 | A kind of refrigerator |
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| Country | Link |
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| CN (1) | CN112393516A (en) |
| WO (1) | WO2021031658A1 (en) |
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| KR20010084303A (en) * | 2000-02-24 | 2001-09-06 | 안준영 | vacuum packing apparatus for refrigerator |
| CN106895631A (en) * | 2017-01-24 | 2017-06-27 | 青岛海高设计制造有限公司 | Vacuum-pumping density seal apparatus and the refrigerator with the vacuum-pumping density seal apparatus |
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| CN109987277A (en) * | 2019-05-10 | 2019-07-09 | 谢良操 | A kind of vacuum packaging equipment for refrigerator |
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| US7331163B2 (en) * | 2004-10-29 | 2008-02-19 | Hau Joseph A | Refrigerator with integral vacuum sealer |
| US7669434B2 (en) * | 2008-02-06 | 2010-03-02 | Whirlpool Corporation | Refrigerator door vacuum preservation system |
| CN201206925Y (en) * | 2008-04-22 | 2009-03-11 | 博西华电器（江苏）有限公司 | Refrigerator externally connecting with vacuum fresh-keeping container |
| CN204460910U (en) * | 2015-01-12 | 2015-07-08 | 江南大学 | Refrigerator vacuum plastic sealing module |
| CN106225411B (en) * | 2016-08-30 | 2019-08-09 | 无锡海达尔精密滑轨股份有限公司 | Electric sliding rail system for large-capacity refrigerator drawer |
| CN206813452U (en) * | 2017-05-31 | 2017-12-29 | 郑金贯 | A kind of vacuum packing machine |
| CN108657502A (en) * | 2018-06-07 | 2018-10-16 | 澳柯玛股份有限公司 | A kind of Domestic refrigerator with vacuum plastic sealing function |
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- 2019-08-16 CN CN201910757477.7A patent/CN112393516A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010084303A (en) * | 2000-02-24 | 2001-09-06 | 안준영 | vacuum packing apparatus for refrigerator |
| CN106895631A (en) * | 2017-01-24 | 2017-06-27 | 青岛海高设计制造有限公司 | Vacuum-pumping density seal apparatus and the refrigerator with the vacuum-pumping density seal apparatus |
| CN207045834U (en) * | 2017-06-13 | 2018-02-27 | 中山市小榄镇丰兴包装机械厂 | Vacuum packing machine vacuum system |
| CN109987277A (en) * | 2019-05-10 | 2019-07-09 | 谢良操 | A kind of vacuum packaging equipment for refrigerator |
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| WO2021031658A1 (en) | 2021-02-25 |
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