CN113915949B - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN113915949B CN113915949B CN202111219490.0A CN202111219490A CN113915949B CN 113915949 B CN113915949 B CN 113915949B CN 202111219490 A CN202111219490 A CN 202111219490A CN 113915949 B CN113915949 B CN 113915949B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator and a control method thereof, wherein the refrigerator comprises the following components: a case; each label comprises a triggering module, a control module and a display screen; the control module is used for sending a pairing request to the controller when the triggering module is detected to meet the triggering condition; the voice recognition module is used for collecting voice information input by a user and sending the voice information to the controller; a controller configured to: responding to the received pairing request, and pairing with the target tag sending the pairing request according to the pairing request; when the food material input conditions are determined to be met, controlling the voice recognition module to start; in response to receiving voice information input by a user, identifying food material information in the voice information to obtain an identification result; the identification result is sent to a control module of the target label, so that the control module of the target label controls the display screen to display the identification result; and carrying out food material management according to the identification result. By adopting the embodiment of the invention, the flexibility and the comprehensiveness of food material management can be effectively improved.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a control method of the refrigerator.
Background
In family life, the refrigerator becomes one of the necessary household appliances in every family, and the food material management function of the refrigerator is one of the requirements of users on the refrigerator function. At present, an RFID (Radio Frequency Identification ) tag or an NFC (Near Field Communication, near field communication) tag corresponding to different food material information is generally manufactured, then the tag is arranged on a food material, and information of the tag placed on the food material is read by a reader-writer installed in a refrigerator and processed, so that food material management is realized. The present inventors have found that in the process of implementing the present invention, the following technical problems exist in the prior art: because a tag is preset to correspond to one food material, the flexibility of using the tag is poor, so that the flexibility of food material management is low, and the manageable food material types are limited by the number of the tags, so that the expansion of the food material types cannot be realized under the condition that the number of the tags is limited, and the comprehensiveness of food material management is low.
Disclosure of Invention
The embodiment of the invention provides a refrigerator and a control method thereof, which can effectively improve the flexibility and comprehensiveness of food material management.
In a first aspect, an embodiment of the present invention provides a refrigerator, including:
a case;
the food processing device comprises a plurality of tags arranged on food materials, wherein each tag comprises a triggering module, a control module and a display screen; the control module is used for sending a pairing request to the controller when the triggering module is detected to meet the triggering condition;
the voice recognition module is used for collecting voice information input by a user and sending the voice information to the controller;
the controller is configured to:
responding to the received pairing request, and pairing with a target tag sending the pairing request according to the pairing request;
when the food material input conditions are determined to be met, controlling the voice recognition module to start; wherein the food entry condition at least comprises successful pairing with the target tag;
in response to receiving voice information input by a user, identifying food material information in the voice information to obtain an identification result;
the identification result is sent to a control module of the target tag, so that the control module of the target tag controls the display screen to display the identification result;
and carrying out food material management according to the identification result.
As an improvement of the above solution, the controller includes a first bluetooth communication unit; the control module comprises a second Bluetooth communication unit;
the pairing request comprises verification information of the target tag;
the responding to the pairing request, pairing with the target tag sending the pairing request according to the pairing request, comprises the following steps:
responding to the received pairing request, and verifying whether a target tag sending the pairing request meets a pairing condition according to verification information in the pairing request;
if yes, establishing pairing connection between the first Bluetooth communication unit and the second Bluetooth communication unit of the target tag;
if not, the pairing is judged to be failed.
As an improvement of the above, the controller is further configured to:
and when the pairing is failed, sending pairing failure information to a control module of the target tag, so that the control module of the target tag controls the display screen of the target tag to display information for indicating a user to resend a pairing request.
As an improvement of the above scheme, the triggering module comprises a key;
the triggering condition includes a first pressing event occurring on the key.
As an improvement of the above scheme, the control module is further configured to send an entry start signal to the controller when a second pressing event occurs on the key;
the food material input condition further comprises the receipt of the input starting signal.
As an improvement of the above solution, the triggering module includes a first NFC module;
the refrigerator further comprises an NFC tag containing device; the NFC tag storage device comprises a box body and a second NFC module arranged on the box body; the labels are contained in the box body when not in use;
the second NFC module is configured to establish NFC connection with the first NFC module of each tag in the box body;
the triggering condition includes that the NFC connection of the first NFC module and the second NFC module is disconnected.
As an improvement of the above scheme, the control module is further configured to control the tag to enter a sleep state after controlling the display screen to display the identification result.
As an improvement of the scheme, the refrigerator further comprises a prompt module;
after the identifying food material information in the voice information is identified in response to receiving the voice information input by the user, the controller is further configured to:
judging whether the identification result contains food material information or not;
if yes, controlling the voice recognition module to stop running, and executing the next step;
if not, controlling the prompt module to send out prompt information for indicating the user to input food materials in a new voice mode, and returning the response to receiving the voice information input by the user, and identifying the food material information in the voice information to obtain an identification result.
As an improvement of the above solution, the food material management according to the identification result specifically includes:
uploading the identification result to a server, so that the server stores the identification result in a preset food management database.
In a second aspect, an embodiment of the present invention provides a control method of a refrigerator, which is applied to the refrigerator in any one of the first aspects, including:
the controller responds to a pairing request sent by any one of the tags, and pairs the target tag sending the pairing request according to the pairing request;
when the controller determines that the food material input conditions are met, the voice recognition module is controlled to be started; wherein the food entry condition at least comprises successful pairing with the target tag;
the controller responds to the received voice information input by the user and recognizes food material information in the voice information to obtain a recognition result;
the controller sends the identification result to a control module of the target tag, so that the control module of the target tag controls the display screen to display the identification result;
and the controller manages food materials according to the identification result.
Compared with the prior art, the refrigerator and the control method of the refrigerator provided by the embodiment of the invention have the advantages that the triggering module, the control module and the display screen are arranged on the tag, when the triggering module is detected to meet the triggering condition, the control module performs pairing between the tag and the controller, after the pairing is successful, the controller controls the voice recognition module to be started so as to collect voice information input by a user and recognize food material information, after a recognition result is obtained, the recognition result is displayed on the display screen of the tag so as to be searched by the user, and food material management is performed according to the recognition result, so that the food material corresponding to the tag can be set according to the voice indication of the user, the use flexibility of the tag is improved, the flexibility of food material management is further improved, the manageable food material types are not limited by the number of the tag, the manageable food material types are rich, and the comprehensiveness of the food material management is improved.
Drawings
Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a tag according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a structure of another refrigerator according to an embodiment of the present invention;
FIGS. 4a and 4b are schematic structural views of another tag according to an embodiment of the present invention;
FIGS. 5a and 5b are schematic views illustrating a label according to another embodiment of the present invention;
fig. 6 is a schematic view of a refrigerator according to another embodiment of the present invention;
fig. 7 is a flowchart illustrating a control method of a refrigerator according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a label according to an embodiment of the present invention.
The present embodiment provides a refrigerator including:
a case 10;
a plurality of labels 20 arranged on food materials, wherein each label 20 comprises a triggering module 21, a control module 22 and a display screen 23; wherein, the control module 22 is configured to send a pairing request to the controller 40 when the trigger module 21 is detected to meet a trigger condition;
the voice recognition module 30 is configured to collect voice information input by a user and send the voice information to the controller 40;
the controller 40 is configured to:
s101, in response to receiving the pairing request, pairing is carried out with a target tag 20 which sends the pairing request according to the pairing request;
s102, when the food material input condition is determined to be met, controlling the voice recognition module 30 to start; wherein the food entry condition includes at least successful pairing with the target tag 20;
s103, responding to received voice information input by a user, and identifying food material information in the voice information to obtain an identification result;
s104, sending the identification result to the control module 22 of the target tag 20, so that the control module 22 of the target tag 20 controls the display screen 23 to display the identification result;
s105, food material management is carried out according to the identification result.
For example, referring to fig. 2, a battery 24 and a power supply processing unit 25 are disposed in the tag 20, wherein the battery 24 may be a CR2032 button battery, and the battery 24 supplies power to the control module 22 through the power supply processing unit 25. The label 20 may be provided with a sealing clip, which can be clipped on the food, and of course, the label 20 may be provided with an adhesive piece, which can be attached on a food bag, and the label 20 is put in or taken out together when a user stores a new food in the refrigerator or takes out the food.
Illustratively, as shown in fig. 3, the case 10 includes a door 11, the voice recognition module 30 may be disposed at the top of the case 10, and the controller 40 may be disposed at the door.
In a specific embodiment, when a user needs to put food materials, selecting any one of the tags 20, wherein the tag 20 is used as a target tag 20; the user triggers the triggering module 21 of the target tag 20 in a predetermined triggering mode, and when the control module 22 of the target tag 20 detects that the triggering module 21 meets the triggering condition, a pairing request is sent to the controller 40; when the controller 40 receives the pairing request, pairing with the target tag 20 according to the pairing request; if the pairing is successful, the controller 40 controls the voice recognition module 30 to start so as to collect voice information input by a user, and if the pairing is failed, the controller 40 terminates the food management; after the voice recognition module 30 is controlled to be started, the controller 40 may recognize food material information in the voice information according to a preset food material information field in response to receiving the voice information input by the user, where the food material information field may include a food material name, a storage date, an expiration date, and the like; after the controller 40 obtains the identification result, it sends the identification result to the control module 22 of the target tag 20, so that the control module 22 of the target tag 20 controls the display screen 23 to display the identification result for the user to review, and performs food management according to the identification result.
According to the refrigerator provided by the embodiment of the invention, the trigger module 21, the control module 22 and the display screen 23 are arranged on the tag 20, when the trigger module 21 is detected to meet the trigger condition, the control module 22 performs pairing between the tag 20 and the controller 40, after the pairing is successful, the controller 40 controls the voice recognition module 30 to collect voice information input by a user and recognize food material information, after a recognition result is obtained, the recognition result is displayed on the display screen 23 of the tag 20 for the user to review, and food material management is performed according to the recognition result, so that the food material corresponding to the tag 20 can be set according to the voice indication of the user, the use flexibility of the tag 20 is improved, the flexibility of food material management is further improved, the manageable food material types are not limited by the number of the tag 20, the manageable food material types are rich, and the comprehensiveness of the food material management is improved.
As an alternative embodiment, the controller 40 includes a first processing unit and a first bluetooth communication unit; the information transmission in the controller 40 is performed by the first bluetooth communication unit, and the information processing and program running in the controller 40 are performed by the first processing unit.
Referring to fig. 2, the control module 22 includes a second processing unit 221 and a second bluetooth communication unit 222; the information transmission in the control module 22 is performed by the second bluetooth communication unit 222, and the information processing and program running in the control module 22 are performed by the second processing unit 221.
The pairing request includes authentication information of the target tag 20;
wherein, in response to receiving the pairing request, pairing with the target tag 20 that sends the pairing request according to the pairing request includes:
s1011, in response to receiving the pairing request, verifying whether the target tag 20 sending the pairing request meets the pairing condition according to verification information in the pairing request;
s1012, if yes, establishing a pairing connection between the first Bluetooth communication unit and the second Bluetooth communication unit 222 of the target tag 20;
if S1013 is not met, the pairing is judged to be failed.
Illustratively, the verification information may be an identification code of the tag 20, and the pairing condition may be that the identification code belongs to a preset identification code set. Of course, the verification information and the pairing condition may be set according to the actual requirement, and are not limited herein.
In this embodiment, bluetooth communication is adopted between the controller 40 and the control module 22 of the tag 20, which has the advantages of low power consumption, low cost and low time delay, and after receiving the pairing request, the controller 40 verifies whether the target tag 20 meets the pairing condition, and then determines whether to pair with the target tag 20 according to the verification result, thereby ensuring the safety of food management.
As one of the alternative embodiments, the controller 40 is further configured to:
and S111, when the pairing is failed, sending pairing failure information to the control module 22 of the target tag 20, so that the control module 22 of the target tag 20 controls the display screen 23 of the target tag 20 to display information for indicating the user to resend the pairing request.
In this embodiment, if the pairing fails, the user can be prompted to re-pair in time through the display screen 23, so that the user experience in the food management process is improved.
As one of the alternative embodiments, the triggering module 21 includes a key;
the triggering condition includes a first pressing event occurring on the key.
For example, the schematic structure of the tag 20 in this embodiment may be as shown in fig. 4a and fig. 4b, where the key may be disposed beside the display 23, and of course, the key may be disposed at another position on the tag 20, which is not limited herein.
In this embodiment, when a user needs to put food, by sending a first pressing event on a key of the tag 20, the control module 22 can be triggered to send a pairing request to the controller 40, and execute a subsequent food management flow, so that convenience of food management is improved.
Further, the control module 22 is further configured to send an entry initiation signal to the controller 40 when a second pressing event on the key is detected;
the food material input condition further comprises the receipt of the input starting signal.
In this embodiment, setting the food material input condition further includes receiving an input start signal, so that the voice recognition module 30 can be started according to the instruction of the user, and flexibility of food material management is improved.
Optionally, the responding operation further includes an operation of displaying the identification result corresponding to the third pressing event, so that the user can obtain the basic information of the food material identified by the target tag 20 from the display screen 23 by sending the third pressing event on the key of the tag 20.
It should be noted that, the first pressing event, the second pressing event and the third pressing event may be set according to actual requirements, for example, the first pressing event is set to be a long pressing event, the second pressing event is set to be a short pressing event, the third pressing event is set to be a double-click event, and of course, the first pressing event, the second pressing event and the third pressing event may also be set to be other events, so that the three events are different, and no limitation is made here.
As one of the alternative embodiments, the triggering module 21 includes a first NFC module;
the refrigerator further comprises an NFC tag containing device; the NFC tag storage device comprises a box body and a second NFC module arranged on the box body; a plurality of the labels 20 are accommodated in the case when not in use;
the second NFC module is configured to establish an NFC connection with the first NFC module of each tag 20 in the box;
the triggering condition includes that the NFC connection of the first NFC module and the second NFC module is disconnected.
The structure of the tag 20 in this embodiment may be as shown in fig. 5a and 5b, and will not be described herein. As shown in fig. 6, the refrigerator in this embodiment may have a structure in which the voice recognition module 30 is disposed at the top of the case 10, the controller 40 is disposed in the hinge cover 12, and the NFC tag storage device 50 is disposed on the door shelf.
In this embodiment, a plurality of labels 20 are stored in the box body when not in use, and the first NFC module of each label 20 in the box body is connected with the second NFC module of the NFC label storage device in an NFC manner, so when a user needs to place food materials in the refrigerator, the label 20 corresponding to the food materials is taken out from the box body of the NFC label storage device, after the label 20 is taken out, the first NFC module of the label 20 is disconnected with the second NFC module of the NFC label storage device, and the control module 22 can determine that food material management for the label 20 is to be performed, thereby sending a pairing request to the controller 40, and effectively improving convenience of food material management.
As an optional embodiment, the control module 22 is further configured to control the tag 20 to enter a sleep state after controlling the display screen 23 to display the identification result, so that energy consumption of the tag 20 can be effectively reduced.
As one of the optional embodiments, the refrigerator further comprises a prompt module;
after the identifying food material information in the voice information in response to receiving the voice information input by the user, the controller 40 is further configured to:
s121, judging whether the identification result contains food material information or not;
s122, if yes, controlling the voice recognition module 30 to stop running, and executing the next step;
and S123, if not, controlling the prompt module to send out prompt information for indicating the user to input food materials in a new voice mode, and returning the response to receiving the voice information input by the user, and identifying the food material information in the voice information to obtain an identification result.
Illustratively, in step S121, it may be determined whether the identification result includes food material information by determining whether the identification result includes the content of the preset food material information field.
In this embodiment, after the identification result is obtained, whether the identification result includes food information is further determined, if yes, it is indicated that the food identification is successful, at this time, the steps of sending the identification result to the control module 22 of the target tag 20 and performing food management according to the identification result are continuously performed, so that the food management is completed, if no, it is indicated that the food identification is failed, at this time, the control prompt module prompts the user to re-enter the food information, and re-perform the food identification, preventing the erroneous recording or missing of the food information, and improving the accuracy of the food management.
As an optional embodiment, the food material management according to the food material management information specifically includes:
uploading the identification result to a server, so that the server stores the identification result in a preset food management database.
In this embodiment, the identification result is uploaded to the server for storage, so that the memory occupation in the refrigerator can be effectively reduced.
Referring to fig. 7, a flow chart of a control method of a refrigerator according to an embodiment of the present invention is shown.
The control method of the refrigerator provided in the present embodiment may be any refrigerator provided in the foregoing embodiment, and specifically includes:
s21, the controller responds to a pairing request sent by any tag, and pairs with a target tag sending the pairing request according to the pairing request;
s22, when the controller determines that the food material input conditions are met, controlling the voice recognition module to start; wherein the food entry condition at least comprises successful pairing with the target tag;
s23, the controller responds to the received voice information input by the user and recognizes food material information in the voice information to obtain a recognition result;
s24, the controller sends the identification result to a control module of the target tag, so that the control module of the target tag controls the display screen to display the identification result;
and S25, the controller manages food materials according to the identification result.
According to the control method for the refrigerator, the trigger module, the control module and the display screen are arranged on the tag, when the trigger module is detected to meet the trigger condition, the control module performs pairing between the tag and the controller, after the pairing is successful, the controller controls the voice recognition module to start so as to collect voice information input by a user and recognize food material information on the voice information, after a recognition result is obtained, the recognition result is displayed on the display screen of the tag so as to be consulted by the user and food material management is performed according to the recognition result, therefore, food materials corresponding to the tag can be arranged according to voice instructions of the user, the use flexibility of the tag is improved, the flexibility of food material management is further improved, the manageable food material types are not limited by the number of the tag, the manageable food material types are rich, and the comprehensiveness of food material management is improved.
It should be noted that the above-described apparatus embodiments are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A refrigerator, comprising:
a case;
the food processing device comprises a plurality of tags arranged on food materials, wherein each tag comprises a triggering module, a control module and a display screen; the control module is used for sending a pairing request to the controller when the triggering module is detected to meet the triggering condition;
the voice recognition module is used for collecting voice information input by a user and sending the voice information to the controller;
the controller is configured to:
responding to the received pairing request, and pairing with a target tag sending the pairing request according to the pairing request;
when the food material input conditions are determined to be met, controlling the voice recognition module to start; wherein the food entry condition at least comprises successful pairing with the target tag;
in response to receiving voice information input by a user, identifying food material information in the voice information to obtain an identification result;
the identification result is sent to a control module of the target tag, so that the control module of the target tag controls the display screen to display the identification result;
and carrying out food material management according to the identification result.
2. The refrigerator of claim 1, wherein the controller includes a first bluetooth communication unit; the control module comprises a second Bluetooth communication unit;
the pairing request comprises verification information of the target tag;
the responding to the pairing request, pairing with the target tag sending the pairing request according to the pairing request, comprises the following steps:
responding to the received pairing request, and verifying whether a target tag sending the pairing request meets a pairing condition according to verification information in the pairing request;
if yes, establishing pairing connection between the first Bluetooth communication unit and the second Bluetooth communication unit of the target tag;
if not, the pairing is judged to be failed.
3. The refrigerator of claim 1, wherein the controller is further configured to:
and when the pairing is failed, sending pairing failure information to a control module of the target tag, so that the control module of the target tag controls the display screen of the target tag to display information for indicating a user to resend a pairing request.
4. The refrigerator of claim 1, wherein the trigger module comprises a key;
the triggering condition includes a first pressing event occurring on the key.
5. The refrigerator of claim 4, wherein the control module is further configured to send an entry initiation signal to the controller upon detecting a second pressing event on the key;
the food material input condition further comprises the receipt of the input starting signal.
6. The refrigerator of claim 1, wherein the trigger module comprises a first NFC module;
the refrigerator further comprises an NFC tag containing device; the NFC tag storage device comprises a box body and a second NFC module arranged on the box body; the labels are contained in the box body when not in use;
the second NFC module is configured to establish NFC connection with the first NFC module of each tag in the box body;
the triggering condition includes that the NFC connection of the first NFC module and the second NFC module is disconnected.
7. The refrigerator of claim 1, wherein the control module is further configured to control the tag to enter a sleep state after controlling the display screen to display the identification result.
8. The refrigerator of claim 1, further comprising a prompt module;
after the identifying food material information in the voice information is identified in response to receiving the voice information input by the user, the controller is further configured to:
judging whether the identification result contains food material information or not;
if yes, controlling the voice recognition module to stop running, and executing the next step;
if not, controlling the prompt module to send out prompt information for indicating the user to input food materials in a new voice mode, and returning the response to receiving the voice information input by the user, and identifying the food material information in the voice information to obtain an identification result.
9. The refrigerator according to claim 1, wherein the food material management is performed according to the identification result, specifically:
uploading the identification result to a server, so that the server stores the identification result in a preset food management database.
10. A control method of a refrigerator, characterized by being applied to the refrigerator according to any one of claims 1 to 9, comprising:
the controller responds to a pairing request sent by any one of the tags, and pairs the target tag sending the pairing request according to the pairing request;
when the controller determines that the food material input conditions are met, the voice recognition module is controlled to be started; wherein the food entry condition at least comprises successful pairing with the target tag;
the controller responds to the received voice information input by the user and recognizes food material information in the voice information to obtain a recognition result;
the controller sends the identification result to a control module of the target tag, so that the control module of the target tag controls the display screen to display the identification result;
and the controller manages food materials according to the identification result.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111219490.0A CN113915949B (en) | 2021-10-20 | 2021-10-20 | Refrigerator and control method thereof |
| PCT/CN2022/094562 WO2023065662A1 (en) | 2021-10-20 | 2022-05-23 | Refrigerator, and control method for refrigerator |
| CN202280065220.5A CN118056108A (en) | 2021-10-20 | 2022-05-23 | Refrigerator and control method thereof |
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| CN202111219490.0A CN113915949B (en) | 2021-10-20 | 2021-10-20 | Refrigerator and control method thereof |
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| CN113915949A CN113915949A (en) | 2022-01-11 |
| CN113915949B true CN113915949B (en) | 2023-04-25 |
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Address after: 266000 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province Applicant after: Hisense refrigerator Co.,Ltd. Address before: 266100 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 399 Applicant before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd. |
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