CN112629121A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN112629121A CN112629121A CN202011578936.4A CN202011578936A CN112629121A CN 112629121 A CN112629121 A CN 112629121A CN 202011578936 A CN202011578936 A CN 202011578936A CN 112629121 A CN112629121 A CN 112629121A
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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
- F25D29/00—Arrangement or mounting of control or safety 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
- F25D2500/00—Problems to be solved
- F25D2500/06—Stock management
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Abstract
The invention discloses a refrigerator and a control method thereof, belonging to the field of refrigerators; through set up a plurality of rooms in the refrigerator, place the article of different storage conditions in different rooms, because the temperature in every room does not influence each other, can keep suitable article that the storage temperature is different simultaneously. Meanwhile, the temperature is not required to be adjusted manually by a user, the identification device identifies the type of the article and adjusts the optimal storage temperature, the sensing device senses that the article is placed into the compartment, the control device transmits an instruction to the refrigerator temperature adjusting structure to automatically adjust the temperature to a proper value, and the preservation effect is improved to the maximum extent; after the identification device identifies the type of the article, the indicating device can prompt the most suitable storage section by voice, and the articles which are suitable for being stored together are stored in the same section; the article is in the prompt of the indication device, so that the article waste is reduced.
Description
Technical Field
The invention relates to the field of refrigerators, in particular to a refrigerator and a control method thereof.
Background
The low-temperature environment of the refrigerator can obviously reduce the physiological metabolism rate of fruits and vegetables, delay tissue aging, inhibit the growth of microorganisms and reduce the rotting rate. However, not all the objects are stored at the lower temperature, the better, the fruits and vegetables are living organisms, the meat-like objects can not tolerate the lower temperature, the fruits and vegetables in different categories have different optimal temperatures, some fruits and vegetables are cold-resistant, and the fruits and vegetables have better fresh-keeping effect at 0 ℃, such as celery, caraway and leek; some fruits and vegetables are not high in cold tolerance, especially tropical fruits are easy to cause cold damage in the environment of being lower than 5 ℃, the sensory quality of food is affected, for example, the fruits are infected with diseases to different degrees after the temperature is lower than 10 ℃, and unripe bananas cannot be ripened. The suitable storage temperature of most fruits and vegetables is within the range of 0-15 ℃, for example, the storage temperature of apples, Hami melons, oranges and the like is 2-5 ℃, and the storage temperature of eggplants, cucumbers, white gourds and the like is 10-12.2 ℃.
When a user stores articles, the user generally stacks the articles purchased in the same batch in a shelf, even the temperature of a refrigerating chamber of most users is always 4 ℃ set by a factory, so that the optimal storage temperature of some articles is not necessarily the optimal storage temperature of some articles at a certain set temperature, the quality of the articles is influenced, and other articles stored together are influenced once the articles are decayed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a refrigerator and a control method thereof, which aim to solve the problem that the optimal storage temperature of some articles is inevitably not the optimal storage temperature of the prior refrigerator under a certain set temperature, the quality of the articles is influenced, and other articles stored together with the articles are influenced even if the articles are corrupted.
The technical scheme adopted by the invention for solving the technical problems is as follows:
on the one hand, the method comprises the following steps of,
a refrigerator comprising a plurality of compartments for holding articles; the temperature in each compartment does not influence each other; each compartment is provided with a temperature regulating structure.
Further, the temperature adjusting structure comprises at least one valve, and the valve is used for controlling the air inlet amount of the ventilation opening in the chamber.
Further, a control device for controlling the temperature adjustment structure.
Further, still include:
the device comprises an identification device used for identifying the articles to be stored and acquiring suitable storage conditions of the articles to be stored, wherein the suitable storage conditions comprise a suitable storage temperature and a suitable storage time.
Further, the sensing device is used for acquiring the current storage conditions of all the compartments in the refrigerator, wherein the storage conditions comprise the remaining space of each compartment, the current temperature and the stored time of the stored articles.
Further, still include:
and the indicating device is used for giving an indication for placing the articles to be stored into the specific compartment and giving a prompt when the difference between the stored time and the suitable storage time is less than or equal to a preset value.
On the other hand, in the case of a liquid,
a refrigerator control method includes the following steps:
acquiring proper storage conditions of the articles to be stored and current storage conditions of all compartments, wherein the proper storage conditions comprise proper storage temperature and proper storage time; the current storage condition comprises the remaining space of each compartment, the current temperature and the stored time of the existing stored goods;
and controlling an indicating device to give a placing indication according to the suitable storage condition and the current storage condition.
Further, the obtaining of suitable storage conditions includes:
acquiring an image of an article to be stored through an identification device;
obtaining the type of the article to be stored according to the image;
and acquiring the suitable storage temperature and the suitable storage time of the type as the suitable storage temperature and the suitable storage time of the article to be stored.
Further, still include:
judging whether the types of the articles to be stored are suitable for storage;
and when the storage is not suitable, controlling the indicating device to give out a prompt which is not suitable for storage.
Further, the acquiring the current storage condition of all the compartments includes:
acquiring the residual space, the current temperature and the putting time of the stored articles of each compartment through a sensing device;
and obtaining the stored time of the stored article according to the current time and the putting time of the stored article.
Further, still include:
acquiring the difference value of the stored time of each stored article and the suitable storage time of each stored article;
and when the difference value is less than or equal to a preset value, controlling the indicating device to give out a prompt that the stored article will be out of date.
Further, the controlling the indicating device to give the placement indication according to the suitable storage condition and the current storage condition comprises:
screening to obtain all the pre-placing compartments with residual spaces;
obtaining a target chamber suitable for placing according to the current temperature of the pre-placing chamber and the suitable storage temperature of the article to be stored;
and controlling the indicating device to give a placing indication for placing the object to be stored into the target compartment.
Further, the obtaining of the target compartment suitable for placement according to the current temperature of the pre-placement compartment and the suitable storage temperature of the article to be stored comprises:
when the current temperature of at least one pre-placing chamber is the same as the suitable storage temperature of the articles to be stored, the pre-placing chamber with the residual space is a target chamber;
and when the current temperature of any one of the pre-placing chambers is different from the proper storage temperature of the articles to be stored, obtaining the target chamber according to whether the articles are placed in the pre-placing chambers and the current temperature.
Further, the obtaining of the target compartment according to whether the article is placed in the pre-placement compartment and the current temperature includes:
when at least one pre-placing chamber is not provided with articles, controlling the temperature adjusting structure to adjust the temperature in the pre-placing chamber without articles to be at an appropriate storage temperature, and taking the adjusted chamber as a target chamber;
when articles are placed in any one of the pre-placing chambers, the absolute value of the difference value between the current temperature of each pre-placing chamber and the suitable storage temperature is obtained, and the pre-placing chamber with the minimum absolute value is used as a target chamber.
This application adopts above technical scheme, possesses following beneficial effect at least:
the technical scheme of the application provides a refrigerator and a control method thereof, and the refrigerator is provided with a plurality of chambers, so that articles with different storage conditions are placed in different chambers, and the articles with different suitable storage temperatures can be kept simultaneously due to the fact that the temperatures in each chamber are not affected mutually. Meanwhile, the temperature is not required to be adjusted manually by a user, the identification device identifies the type of the article and adjusts the optimal storage temperature, the sensing device senses that the article is placed into the compartment, the control device transmits an instruction to the refrigerator temperature adjusting structure to automatically adjust the temperature to a proper value, and the preservation effect is improved to the maximum extent; after the identification device identifies the type of the article, the indicating device can prompt the most suitable storage section by voice, and the articles which are suitable for being stored together are stored in the same section; the article is in the prompt of the indication device, so that the article waste is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a chamber valve according to an embodiment of the present invention.
Fig. 3 is a flowchart of a refrigerator control method according to an embodiment of the present invention;
fig. 4 is a flowchart of determining a target compartment according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the technical solutions of the present invention is provided with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present invention provides a refrigerator including a plurality of compartments 110 for holding articles; the temperature in each compartment does not influence each other; each compartment is provided with a temperature regulating structure 111.
As an optional implementation manner of the embodiment of the present invention, the temperature adjusting structure includes at least one valve, and the valve is used for controlling an intake volume of the ventilation opening in the chamber. Illustratively, as shown in fig. 2, a plurality of ventilation openings 22 are formed in a compartment back plate 21, each ventilation opening is provided with a valve 23, the closing condition of the valve can be adjusted, the air intake rate of the ventilation openings is further adjusted, and the temperature change in the compartment is controlled by controlling the air intake rate.
As an optional implementation manner of the embodiment of the present invention, the refrigerator further includes a control device 120, a recognition device 130, a sensing device 140, and an indication device 150;
wherein, the control device is used for controlling the temperature adjusting structure.
And the identification device is used for identifying the articles to be stored and acquiring the suitable storage conditions of the articles to be stored, wherein the suitable storage conditions comprise a suitable storage temperature and a suitable storage time. Preferably, the identification device is a camera 131 and an image identification module 132 installed outside the refrigerator, the camera can acquire a picture of the article to be stored, and then the image identification module acquires the kind of the article to be identified through an image identification technology, and presets a suitable storage condition for the kind and a suitable storage condition as the article to be stored.
And the sensing device is used for acquiring the current storage conditions of all the compartments in the refrigerator, wherein the storage conditions comprise the residual space, the current temperature and the stored time of the stored articles. Preferably, the sensing means includes a temperature sensor 141 and a sensing module 142 and a recording module 143. The sensing module can sense that the articles to be stored are put into the compartment, and the recording module records the putting time so as to obtain the stored time; for example, the sensing module may be a pressure sensor, and when an object is placed, the pressure in the compartment is different, so as to sense the placement of the object to be stored. Or the camera directly acquires the residual space in the compartment and the putting time of the articles to be stored.
And the indicating device is used for giving an indication for placing the articles to be stored into the specific compartment and giving a prompt when the difference between the stored time and the suitable storage time is less than or equal to a preset value. The indicating device can be a display screen, a prompt is directly sent on the display screen, or a voice reminding device, the prompt is sent in a voice mode, or the combination of the two. Can be set according to actual conditions. It should be noted that, the indicating device may also send a short message to the mobile phone of the user to remind that the difference between the stored time and the suitable storage time is less than or equal to the preset value.
According to the refrigerator provided by the embodiment of the invention, the plurality of compartments are arranged, articles with different storage conditions are placed in different compartments, the temperature in each compartment is not influenced mutually, and articles with different suitable storage temperatures can be kept simultaneously. Meanwhile, the temperature is not required to be adjusted manually by a user, the identification device identifies the type of the article and adjusts the optimal storage temperature, the sensing device senses that the article is placed into the compartment, the control device transmits an instruction to the refrigerator temperature adjusting structure to automatically adjust the temperature to a proper value, and the preservation effect is improved to the maximum extent; after the identification device identifies the type of the article, the indicating device can prompt the most suitable storage section by voice, and the articles which are suitable for being stored together are stored in the same section; the article is in the prompt of the indication device, so that the article waste is reduced.
In one embodiment, the present invention further provides a refrigerator control method, as shown in fig. 3, including the steps of:
acquiring proper storage conditions of the articles to be stored and current storage conditions of all compartments, wherein the proper storage conditions comprise proper storage temperature and proper storage time; the current storage condition comprises the remaining space of each compartment, the current temperature and the stored time of the existing stored goods;
and controlling the indicating device to give a placing indication according to the suitable storage condition and the current storage condition.
As an optional implementation manner of the present invention, the obtaining of the suitable storage condition includes: acquiring an image of an article to be stored through an identification device; obtaining the type of the article to be stored according to the image; and acquiring the type suitable storage temperature and the suitable storage time as the suitable storage temperature and the suitable storage time of the articles to be stored.
It should be noted that, because some articles are not suitable for being put into a refrigerator, such as potatoes, mangos, bananas, purple potatoes, lemons and the like, the embodiment of the present invention further includes determining whether the types of the articles to be stored are suitable for storage; when the storage is not suitable, the control and indication device gives out a prompt that the storage is not suitable.
In the actual use process, acquiring the current storage conditions of all the compartments comprises the following steps: acquiring the residual space, the current temperature and the putting time of the stored articles of each compartment through a sensing device; and obtaining the stored time of the stored article according to the current time and the putting time of the stored article. Meanwhile, acquiring the difference value between the stored time of each stored article and the suitable storage time of each stored article; when the difference value is smaller than or equal to the preset value, the indicating device is controlled to give out a prompt that the stored article is out of date. Preferably, the preset value is two days, preventing the stored goods from being expired.
As an optional implementation manner of the embodiment of the present invention, controlling the indicating device to give the placement indication according to the suitable storage condition and the current storage condition includes: screening to obtain all the pre-placing compartments with residual spaces; obtaining a target chamber suitable for placing according to the current temperature of the pre-placing chamber and the suitable storage temperature of the article to be stored; the control and indication device gives a placing indication for placing the object to be stored into the target compartment. When the target compartment is selected, the compartments which cannot be put with articles are firstly excluded. The process of determining the target compartment is shown in fig. 4.
Obtaining a target compartment suitable for placement according to the current temperature of the pre-placement compartment and the suitable storage temperature of the article to be stored comprises: when the current temperature of at least one pre-placing chamber is the same as the suitable storage temperature of the articles to be stored, the pre-placing chamber with the residual space is a target chamber; and when the current temperature of any one of the pre-placing chambers is different from the proper storage temperature of the articles to be stored, obtaining the target chamber according to whether the articles are placed in the pre-placing chambers and the current temperature.
Further, obtaining the target compartment according to whether the object is placed in the pre-placing compartment and the current temperature includes: when at least one pre-placing chamber is not provided with articles, controlling the temperature adjusting structure to adjust the temperature in the pre-placing chamber without articles to be at an appropriate storage temperature, and taking the adjusted chamber as a target chamber; when articles are placed in any one of the pre-placing chambers, the absolute value of the difference value between the current temperature of each pre-placing chamber and the suitable storage temperature is obtained, and the pre-placing chamber with the minimum absolute value is used as a target chamber.
The refrigerator control method provided by the embodiment of the invention can firstly identify whether articles can be put in, then screens the compartments into which the articles can be put after the articles can be put in, and directly puts the articles into the compartments if the current temperature of any compartment is the same as the proper storage temperature; if the current temperature of no compartment is the same as the proper storage temperature, if the compartment without the articles is provided, the articles are placed into the compartment, and the temperature of the compartment is adjusted to the proper storage temperature; if there is no compartment in which the article is not placed, the article is placed in the compartment where the temperature difference is the smallest. And finally, when the article is placed for a long time, the article can be reminded in time to prevent the article from being overdue.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (14)
1. A refrigerator, characterized in that: the refrigerator comprises a plurality of compartments for containing articles; the temperature in each compartment does not influence each other; each compartment is provided with a temperature regulating structure.
2. The refrigerator according to claim 1, wherein: the temperature adjusting structure comprises at least one valve, and the valve is used for controlling the air inlet amount of the ventilation opening in the chamber.
3. The refrigerator according to claim 1, further comprising: and the control device is used for controlling the temperature adjusting structure.
4. The refrigerator according to claim 1, further comprising:
the device comprises an identification device used for identifying the articles to be stored and acquiring suitable storage conditions of the articles to be stored, wherein the suitable storage conditions comprise a suitable storage temperature and a suitable storage time.
5. The refrigerator of claim 4, wherein: the sensing device is used for acquiring the current storage conditions of all compartments in the refrigerator, wherein the storage conditions comprise the residual space, the current temperature and the stored time of the stored articles.
6. The refrigerator of claim 5, further comprising:
and the indicating device is used for giving an indication for placing the articles to be stored into the specific compartment and giving a prompt when the difference between the stored time and the suitable storage time is less than or equal to a preset value.
7. A refrigerator control method is characterized by comprising the following steps:
acquiring proper storage conditions of the articles to be stored and current storage conditions of all compartments, wherein the proper storage conditions comprise proper storage temperature and proper storage time; the current storage condition comprises the remaining space of each compartment, the current temperature and the stored time of the existing stored goods;
and controlling an indicating device to give a placing indication according to the suitable storage condition and the current storage condition.
8. The method of claim 7, wherein: the obtaining of suitable storage conditions includes:
acquiring an image of an article to be stored through an identification device;
obtaining the type of the article to be stored according to the image;
and acquiring the suitable storage temperature and the suitable storage time of the type as the suitable storage temperature and the suitable storage time of the article to be stored.
9. The method of claim 8, further comprising:
judging whether the types of the articles to be stored are suitable for storage;
and when the storage is not suitable, controlling the indicating device to give out a prompt which is not suitable for storage.
10. The method of claim 7, wherein: the acquiring the current storage conditions of all the compartments comprises:
acquiring the residual space, the current temperature and the putting time of the stored articles of each compartment through a sensing device;
and obtaining the stored time of the stored article according to the current time and the putting time of the stored article.
11. The method of claim 7, further comprising:
acquiring the difference value of the stored time of each stored article and the suitable storage time of each stored article;
and when the difference value is less than or equal to a preset value, controlling the indicating device to give out a prompt that the stored article will be out of date.
12. The method of claim 7, wherein: the step of controlling the indicating device to give the placement indication according to the suitable storage condition and the current storage condition comprises the following steps:
screening to obtain all the pre-placing compartments with residual spaces;
obtaining a target chamber suitable for placing according to the current temperature of the pre-placing chamber and the suitable storage temperature of the article to be stored;
and controlling the indicating device to give a placing indication for placing the object to be stored into the target compartment.
13. The method of claim 12, wherein: the step of obtaining a target chamber suitable for placement according to the current temperature of the pre-placement chamber and the suitable storage temperature of the article to be stored comprises the following steps:
when the current temperature of at least one pre-placing chamber is the same as the suitable storage temperature of the articles to be stored, the pre-placing chamber with the residual space is a target chamber;
and when the current temperature of any one of the pre-placing chambers is different from the proper storage temperature of the articles to be stored, obtaining the target chamber according to whether the articles are placed in the pre-placing chambers and the current temperature.
14. The method of claim 13, wherein: the obtaining of the target compartment according to whether the articles are placed in the pre-placing compartment and the current temperature comprises:
when at least one pre-placing chamber is not provided with articles, controlling the temperature adjusting structure to adjust the temperature in the pre-placing chamber without articles to be at an appropriate storage temperature, and taking the adjusted chamber as a target chamber;
when articles are placed in any one of the pre-placing chambers, the absolute value of the difference value between the current temperature of each pre-placing chamber and the suitable storage temperature is obtained, and the pre-placing chamber with the minimum absolute value is used as a target chamber.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114111205A (en) * | 2021-11-30 | 2022-03-01 | 上海蜜罐科技有限公司 | Express cabinet freezing and refrigerating system and using method thereof |
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| CN110094921A (en) * | 2019-04-29 | 2019-08-06 | 上海宸聪电子科技有限公司 | A kind of intelligent refrigerator |
| CN112013600A (en) * | 2019-05-30 | 2020-12-01 | 合肥华凌股份有限公司 | Refrigerating apparatus, refrigerator, operation control method, and computer-readable storage medium |
| CN112013601A (en) * | 2019-05-31 | 2020-12-01 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device |
| CN110567229A (en) * | 2019-09-09 | 2019-12-13 | 珠海格力电器股份有限公司 | Refrigerator inner food reminding device and method and refrigerator |
| CN111520969A (en) * | 2020-05-12 | 2020-08-11 | 珠海格力电器股份有限公司 | Refrigerator and intelligent identification method thereof |
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| CN114111205A (en) * | 2021-11-30 | 2022-03-01 | 上海蜜罐科技有限公司 | Express cabinet freezing and refrigerating system and using method thereof |
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