CN114104389B - Vacuum packaging method of refrigerator and refrigerator - Google Patents
Vacuum packaging method of refrigerator and refrigerator Download PDFInfo
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- CN114104389B CN114104389B CN202010895756.2A CN202010895756A CN114104389B CN 114104389 B CN114104389 B CN 114104389B CN 202010895756 A CN202010895756 A CN 202010895756A CN 114104389 B CN114104389 B CN 114104389B
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- heating
- protection
- heating device
- vacuum packaging
- refrigerator
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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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—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or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
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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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention provides a vacuum packaging method of a refrigerator, which comprises an air extractor for vacuumizing a storage bag and a vacuum packaging device for vacuumizing the storage bag after the vacuumizing is finishedThe heating device is used for carrying out plastic packaging treatment on the storage bag; the vacuum packaging method comprises the following steps: acquiring the protection heating frequency i of the heating device, and entering a heating device protection mode when the protection heating frequency i reaches a set protection heating frequency threshold value n, wherein the heating device stops heating and continues to protect a heating duration threshold value t' 0 The method comprises the steps of carrying out a first treatment on the surface of the The control method protection is carried out on the heating device, and the control method protection is carried out before the structure protection, so that the damage to the heating device can be reduced, the normal operation of the heating device is effectively ensured, and the packaging efficiency is ensured.
Description
Technical Field
The invention belongs to the technical field of household refrigerators, and particularly relates to a vacuum packaging method of a refrigerator and the refrigerator.
Background
At present, the consumer has improved quality requirements for fresh foods, and new requirements are also put on refrigerator configuration to meet the consumer demands, so that the fresh foods stored in the refrigerator are expected to have longer storage period, the freshness of the foods is ensured, and the loss of nutrient components is prevented.
In view of this, the present invention has been proposed.
Disclosure of Invention
The invention provides a vacuum packaging method of a refrigerator aiming at the technical problems.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the vacuum packaging method of the refrigerator comprises an air extracting device for vacuumizing a storage bag and a heating device for performing plastic packaging treatment on the storage bag after vacuumizing is finished; the vacuum packaging method comprises the following steps:
acquiring the protection heating frequency i of the heating device, and entering a heating device protection mode when the protection heating frequency i reaches a set protection heating frequency threshold value n, wherein the heating device stops heating and continues to protect a heating duration threshold value t' 0 。
Preferably, when the heating device works, each heating lasts for a heating duration threshold t 0 Time interval threshold for stopping heating between two adjacent heats
0 。
Preferably, the heating device stops heating and continuously protects the heating time threshold t' 0 And then the protection mode is exited, the heating is performed again, and the protection heating times i are counted again.
Preferably, the vacuum packaging is finished when the total heating times j of the heating device reach a set total heating times threshold m.
Preferably, during the heating device protection mode, after the user activates the evacuation button, a plurality of reverberation is continuously emitted to indicate that the evacuation initiation is not valid.
Preferably, the method comprises the steps of,
0 ：t` 0 ∈[0.05，0.3]。
preferably, t 0 ＞t 0 And (2) and
0 ：t 0 ∈[0.4，0.6]。
preferably, the method comprises the steps of,
0 ∈[5，70]，t` 0 ∈[150，350]units: s.
Preferably, n.epsilon.5, 30.
A refrigerator for realizing the vacuum packaging method of the refrigerator.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a vacuum packaging method of a refrigerator, which comprises an air extracting device for vacuumizing a storage bag and a heating device for performing plastic packaging treatment on the storage bag after vacuumizing; the vacuum packaging method comprises the following steps: acquiring the protection heating frequency i of the heating device, and entering a heating device protection mode when the protection heating frequency i reaches a set protection heating frequency threshold value n, wherein the heating device stops heating and continues to protect a heating duration threshold value t' 0 The method comprises the steps of carrying out a first treatment on the surface of the The control method protection is carried out on the heating device, and the control method protection is carried out before the structure protection, so that the damage to the heating device can be reduced, the normal operation of the heating device is effectively ensured, and the packaging efficiency is ensured.
Drawings
FIG. 1 is a schematic block diagram of a refrigerating and temperature controlling system of a refrigerator according to the present invention;
FIG. 2 is an overall control flow chart of a vacuum packaging method of a refrigerator according to the present invention;
FIG. 3 is a flowchart showing a vacuum packaging method of a refrigerator according to the present invention;
FIG. 4 is a graph showing the relationship between the time and temperature of the heating device, the plastic storage bag and the fuse in the vacuum packaging process of the refrigerator;
FIG. 5 is a graph showing the relationship between the threshold of the number of times of protection heating and the threshold of the duration of protection heating in the vacuum packaging method of the refrigerator according to the present invention;
fig. 6 is a graph showing a set relationship between a time interval threshold and a protection heating duration threshold in a vacuum packaging process of the refrigerator according to the present invention.
In the above figures: a control system 10; a setting module 20; a timing module 30; a counting module 40; a judgment module 50; a control module 60.
Detailed Description
The present invention will be further described with reference to specific examples so that those skilled in the art may better understand the present invention and practice it, but the scope of the present invention is not limited to the scope described in the specific embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
It should be noted that the description of "first", "second", etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
A refrigerator includes a heat-insulating case; the case defines a plurality of low-temperature storage compartments for storing articles such as food. In this embodiment, the low-temperature storage compartments are a refrigerating compartment and a freezing compartment, respectively; wherein the refrigerating chamber is located at the upper part and the freezing chamber is located at the bottom part. Each low-temperature storage compartment is provided with a respective door. Refrigerators have an evaporative refrigeration system forming a closed loop. In view of the fact that such refrigeration systems are well known in the art, they are not described in detail herein.
The vacuum packaging device is arranged on the box door, and comprises: the upper support and the lower support are fixedly connected to the box door; the other of the upper support and the lower support is driven by a driving device to move up and down; the upper support and the lower support are moved to the cavity between the upper support and the lower support after being butted to form a vacuum pumping area. The vacuum pumping area is communicated with the air pumping device, and the air pumping device comprises a vacuum pump communicated with the vacuum pumping area through a pipeline. It should be noted that the vacuum packaging device may be disposed on a door corresponding to the refrigerating chamber or on a door corresponding to the freezing chamber.
The outer side of the vacuumizing area is provided with a packaging area for carrying out plastic packaging treatment on the storage bag after vacuumizing is finished, and the packaging area is internally provided with a heat insulation pad and a heating device which are arranged oppositely; wherein, the storage bag is plastic material, accomplishes the vacuum packaging of storage bag under the heating effect. Specifically, the heating device is arranged on the lower surface of the upper support; the heat insulation pad is arranged on the upper surface of the lower support. The front panel of the box door is provided with an inserting port communicated with the packaging area. When the user is vacuum packaging, the storage bag opening is directly inserted into and extends between the upper support and the lower support from the plug-in port. When the upper support is moved to form a sealed vacuum pumping area with the lower support, the opening of the storage bag can be placed in the vacuum pumping area, and the heat insulation pad in the packaging area is abutted against the heating device so as to fix the storage bag in the packaging area. After the vacuumizing is finished, the storage bag can be rapidly packaged by the heating device in the packaging area, and after the heating device works to meet the preset end condition according to the set control, the driving device is controlled to drive the upper support to move upwards, so that a user can draw out the storage bag to finish the packaging of the storage bag. In this embodiment, the heating device includes a heating wire, and the storage bag is packaged by heating the heating wire by energizing. In addition, be equipped with the fuse in the heating device to automatic fusing when the heater strip temperature is too high avoids damaging or causing the fire because of the circuit that the heating temperature is too high.
In this embodiment, the box door is provided with an indicating device for displaying the working state of the vacuum packaging device and a control button for controlling the vacuum packaging device to start or stop. The user can confirm whether can take out the storing bag according to the vacuum packaging device operating condition that the display and control device shows.
As shown in fig. 1, the refrigerator is provided with a control system 10 for controlling the operation states of the respective components of the refrigerator to realize the control of the refrigerator. The control system 10 includes a setting module 20, a timing module 30, a counting module 40, a judging module 50, and a control module 60.
The setting module 20 is configured to obtain various standard parameters of the refrigerator operation, including, but not limited to, a time parameter, etc. In this embodiment, the setting module 20 obtains the threshold t of the duration of heating during vacuum packaging 0 Time interval threshold between two adjacent heats of heating device
0 A protection heating frequency threshold value n, a heating total frequency threshold value m and a protection heating time period threshold value t' of the heating device entering a protection mode 0 。
The timing module 30 is used for recording time, and may be specifically configured as a timer. In this embodiment, the timing module 30 records the duration t of heating the heating device and the time interval between two adjacent heats of the heating device during the packaging process
The protection heating time t' of the heating device entering the protection mode.
The counting module 40 is used for recording the number of times logic processing is performed, and specifically can be set as a counter. The counting module 40 in this embodiment is configured to record the number i of protection heats and the total number j of heats of the heating device. It should be understood that the total number of heats of the heating device is not limited to the present embodiment to end the package; the timer can also record the total working time of the heating device, and the heating can be stopped when the preset time is reached to finish packaging.
The judging module 50 is used for receiving the duration t and the time interval of the continuous heating acquired by the timing module 30
And protecting the heating time t', and judging the heating time t and the time interval +.>
The protection heating time period t' is respectively corresponding to the heating time period threshold t 0 Time interval threshold->
0 Protective heating time threshold t 0 Is a size relationship of (a). The judging module 50 is also configured to receive the protection heating number i and the total heating number j recorded by the counting module 40, and judge the magnitude relation between the protection heating number i and the protection heating number threshold n, and the magnitude relation between the total heating number j and the total heating number threshold m.
The control module 60 is connected to the setting module 20, the timing module 30, the counting module 40, and the judging module 50, and performs information interaction with the setting module 20, the timing module 30, the counting module 40, and the judging module 50, and controls the opening and closing states of the components of the refrigeration system.
Specifically, as shown in fig. 2-4, the vacuum packaging method of the refrigerator includes obtaining the protection heating frequency i of the heating device, entering a protection mode of the heating device when the protection heating frequency reaches a set protection heating frequency threshold n, and stopping heating by the heating device and continuing to protect the heating duration threshold t' 0 。
The method comprises the following specific steps:
s1: opening vacuum packaging;
specifically, in this embodiment, the user inserts and extends the opening of the storage bag directly from the plug-in port between the upper support and the lower support, the upper support moves to form a sealed vacuum pumping area with the lower support, and the heat insulation pad abuts against the heating device; the user activates the vacuum packaging device to start packaging by touching a control button on the control box door;
s2: the heating device works for a time t 0 Stop heating time interval between two adjacent heats
0 ；
When the protection heating times of the heating device are accumulated to a preset protection heating times threshold value n, stopping heating by the heating device to enter a protection mode;
specifically, the method comprises the following steps:
s21: j=j+1, the initial value of j being 0;
s22: i=i+1, the initial value of i being 0;
s23: the heating device works, the timer counts time, and the heating time t of the heating device is recorded;
s24: judging t is less than t 0 ? If yes, go to step S23; if not, executing step S25;
s25: judging j < m? If yes, go to step S26; if not, ending the vacuum packaging;
s26: judging i < n? If yes, go to step S27; if not, executing the step S3;
s27: zero clearing and re-timing the timer
The heating device stops heating;
S28：
＜/>
0 ? If yes, go to step S27; if not, the timer is cleared, and step S23 is executed.
S3: the heating device enters a protection mode, and the heating time is stopped to reach a preset protection heating time threshold t 0 Then the protection mode is exited;
specifically, the method comprises the following steps:
s31: the heating device stops heating; resetting the timer and re-timing t';
s32: judging t' is less than t 0 ? If yes, go to step S31; if not, the timer is cleared, the heating device protection mode is exited, and step S22 is executed.
And when the total heating times do not reach the set total heating times threshold for finishing packaging, after the device exits the heating device protection mode, the device is heated again, and the protection heating times are counted again until the total heating times reach the set total heating times threshold, and then the vacuum packaging is finished.
As shown in FIG. 4, when the heating wire is heated by adopting the method of the invention, the interval between every two adjacent heats
0 On one hand, the problem that the package fails and fire hidden danger exists due to the fact that the storage bag is melted due to the fact that the temperature of the heating wire is too high caused by long-time continuous heating can be avoided; on the other hand, ensuring a sufficient heating period t to ensure a sufficient temperature to effectively encapsulate the storage bag; furthermore, the heating is stopped for a corresponding time so that the heating wire can timely dissipate heat, and the damage of the heating wire caused by the fact that the heat cannot be timely dissipated is avoided. With the increase of the vacuum packaging time, the temperature of the plastic storage bag and the temperature of the fuse tend to be stable gradually in a heating mode of heating the heating device at intervals, namely, the temperature of the fuse is kept in a proper packaging temperature range in the packaging process, and the packaging efficiency, safety and effectiveness are effectively ensured. In this embodiment, time interval +.>
0 ∈[5，70]Units: s. The arrangement can dissipate part of heat to protect the heating device; and part of heat can be reserved, so that the temperature of the heating device is maintained within a set range, the temperature of the storage bag is within a proper packaging temperature range, and the packaging efficiency is improved.
The packaging method of the invention adds up the protection heating times of the heating device to the preset protection heating timeAnd when the frequency threshold value is n, the heating device stops heating and enters a protection mode, so that the heating device can fully dissipate heat, the efficient operation of the heating device in the subsequent packaging process is ensured, and the fire caused by the overhigh temperature of the heating device is avoided. N E [5, 30] in this embodiment]；t` 0 ∈[150，350]Units: s;
Wherein, when setting, the same duration heating time threshold t 0 Time interval threshold
0 As shown in fig. 5, as the protection heating number threshold n increases, the protection heating time period threshold t' 0 In an increasing trend;
at the same duration threshold t 0 And a protection heating number threshold n, as shown in fig. 6, over time
0 Is increased to protect the heating duration threshold t 0 With a decreasing trend.
Specifically, after entering the protection mode, the storage bag cannot be vacuumized; after the user triggers the vacuumizing button, a reverberation is continuously sent out for 3 times to show that vacuumizing starting is invalid.
According to the invention, the control method is used for protection on the basis of the structural protection of the fuse arranged on the heating device, and the control protection is preferably carried out before the structural protection of the fuse, so that the damage to the heating device can be reduced, the normal operation of the heating device is effectively ensured, and the packaging efficiency is ensured.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The vacuum packaging method of the refrigerator is characterized in that: the refrigerator comprises an air extracting device for vacuumizing the storage bag and a heating device for performing plastic package treatment on the storage bag after vacuumizing is finished; the vacuum packaging method comprises the following steps:
when the heating device works, each heating lasts for a heating time period threshold t 0 Time interval threshold for stopping heating between two adjacent heats
0 The method comprises the steps of carrying out a first treatment on the surface of the With the increase of the vacuum packaging time, the temperatures of the plastic storage bag and the fuse gradually tend to be stable, the storage bag is kept in a proper packaging temperature range in the packaging process, and the temperature of the fuse is also kept in a range which is not fused;
acquiring the protection heating frequency i of the heating device, and entering a heating device protection mode when the protection heating frequency i reaches a set protection heating frequency threshold value n, wherein the heating device stops heating and continues to protect a heating duration threshold value t' 0 ；
When the heating device stops heating and continuously protects heatingLong threshold t 0 Then, the protection mode is exited, the heating is carried out again, and the protection heating times i are counted again;
and ending the vacuum packaging when the total heating times j of the heating device reach the set total heating times threshold m.
2. The vacuum packaging method of a refrigerator according to claim 1, wherein: during the heating device protection mode, after the user triggers the vacuumizing button, a plurality of reverberation is continuously sent out to show that vacuumizing starting is invalid.
3. The vacuum packaging method of a refrigerator according to claim 1, wherein:
0 ：t` 0 ∈[0.05，0.3]。
4. the vacuum packaging method of a refrigerator as claimed in claim 3, wherein: t 0 ＞t 0 And (2) and
0 ：t 0 ∈[0.4，0.6]。
5. the vacuum packaging method of a refrigerator according to any one of claims 1 to 4, wherein:
0 ∈[5，70]，t` 0 ∈[150，350]units: s.
6. The vacuum packaging method of a refrigerator according to claim 1, wherein: n is E [5, 30].
7. A refrigerator characterized in that it comprises means for implementing a vacuum packaging method of a refrigerator according to any one of claims 1 to 6.
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| CN202010895756.2A CN114104389B (en) | 2020-08-31 | 2020-08-31 | Vacuum packaging method of refrigerator and refrigerator |
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| CN202010895756.2A CN114104389B (en) | 2020-08-31 | 2020-08-31 | Vacuum packaging method of refrigerator and refrigerator |
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| CN114104389A CN114104389A (en) | 2022-03-01 |
| CN114104389B true CN114104389B (en) | 2023-05-02 |
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| CN114198972B (en) * | 2020-09-18 | 2023-07-14 | 海信冰箱有限公司 | Anti-condensation method of refrigerator vacuum plastic package module and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2526473B2 (en) * | 1992-12-28 | 1996-08-21 | 株式会社寺岡精工 | Packaging machine heater control method |
| JPH0672811U (en) * | 1993-03-26 | 1994-10-11 | 新明和工業株式会社 | Wrapping machine |
| JP4205382B2 (en) * | 2002-08-20 | 2009-01-07 | パナソニック株式会社 | Control device for hermetic packer |
| CN203318785U (en) * | 2013-06-27 | 2013-12-04 | 厦门优尔电器股份有限公司 | Heat sealing machine capable of automatically adjusting sealing time |
| US10507945B1 (en) * | 2016-02-11 | 2019-12-17 | Glenn Lippman | Low frequency modulated heat sealing apparatus and method |
| CN111197898B (en) * | 2020-03-09 | 2022-01-07 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
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