CN113983738B - Refrigerator and door opening alarm control method thereof - Google Patents

Refrigerator and door opening alarm control method thereof Download PDF

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Publication number
CN113983738B
CN113983738B CN202111269305.9A CN202111269305A CN113983738B CN 113983738 B CN113983738 B CN 113983738B CN 202111269305 A CN202111269305 A CN 202111269305A CN 113983738 B CN113983738 B CN 113983738B
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China
Prior art keywords
door opening
refrigerator
door
alarm
closing
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Active
Application number
CN202111269305.9A
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Chinese (zh)
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CN113983738A (en
Inventor
王亚杰
刘兆祥
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Hisense Refrigerator Co Ltd
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Hisense Refrigerator Co Ltd
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Priority to CN202111269305.9A priority Critical patent/CN113983738B/en
Publication of CN113983738A publication Critical patent/CN113983738A/en
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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • 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
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a refrigerator and a door opening alarm control method of the refrigerator. The refrigerator comprises a door opening and closing detection device and an alarm device. When a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator; calculating the current door opening alarm time of the refrigerator according to the average door opening time; and starting door opening alarm timing, and controlling the alarm device to send alarm information if the door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time. By adopting the embodiment of the invention, the door opening alarm time of the refrigerator can be dynamically adjusted, the use requirement of a user on the refrigerator is met, and the use experience of the user is effectively improved.

Description

Refrigerator and door opening alarm control method thereof
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a door opening alarm control method of the refrigerator.
Background
With the economic development and the improvement of the living standard of people, the refrigerator has become an indispensable household appliance in daily life of people. The refrigerator mainly delays food deterioration by reducing the temperature of food, thereby achieving the effect of long-term storage.
In order to prevent the refrigerator door from being opened by a user and the cold air leakage caused by forgetting to close the refrigerator door, the current refrigerator product can set a default door opening alarm time, and when the door opening time of the refrigerator reaches the door opening alarm time, a door opening alarm sound can sound to prompt the user to close the door. However, in practicing the present invention, the inventors found that the prior art has at least the following problems: the habit of the user on the refrigerator is different, default setting of door opening alarm time length in the prior art can lead to that the user is in the refrigerator front opening process of finishing food materials, the refrigerator door opening alarm sound is triggered, and the use experience of the user is affected.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigerator and a door opening alarm control method of the refrigerator, which can dynamically adjust the door opening alarm time of the refrigerator, meet the use requirement of a user on the refrigerator and effectively improve the use experience of the user.
To achieve the above object, an embodiment of the present invention provides a refrigerator including:
a refrigerator body, the inside of which is provided with a storage chamber;
the refrigerator door is arranged at the opening of the storage chamber;
the door opening and closing detection device is connected with the refrigerator door and is used for generating a door opening signal and a door closing signal of the refrigerator door;
the alarm device is arranged on the refrigerator body and used for sending alarm information;
and the control device is respectively connected with the door opening and closing detection device and the alarm device and is used for:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
calculating the current door opening alarm time of the refrigerator according to the average door opening time;
and starting door opening alarm timing, and controlling the alarm device to send alarm information if the door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time.
As an improvement of the above solution, the history door opening and closing data of the refrigerator is stored in an internal memory of the control device, and the control device is further configured to:
and updating the stored historical door opening and closing data according to the door opening signal and the door closing signal of the refrigerator door sent by the door opening and closing detection device.
As an improvement of the above-mentioned aspect, after the updating of the stored historical door opening and closing data according to the door opening signal and the door closing signal of the refrigerator door sent by the door opening and closing detection device, the control device is further configured to:
and calculating the average door opening time length of the refrigerator according to the updated historical door opening and closing data.
As an improvement of the above solution, the history door opening and closing data of the refrigerator is stored in the cloud server, and then the control device is further configured to:
when a door opening signal and a door closing signal of the refrigerator door, which are sent by the door opening and closing detection device, are received, uploading the door opening signal, the door closing signal and the identity information of the refrigerator to the cloud server, so that the cloud server updates stored historical door opening and closing data corresponding to the identity information of the refrigerator according to the door opening signal and the door closing signal, and calculates average door opening time of the refrigerator according to the updated historical door opening and closing data.
As an improvement of the above solution, when receiving the door opening signal of the refrigerator door sent by the door opening/closing detection device, the control device is further configured to:
acquiring a date type of the current moment;
and the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator, which accords with the date type of the current moment.
As an improvement of the above, the refrigerator further includes:
the human body induction device is arranged on the refrigerator body and is used for detecting whether personnel activities exist in an area which is a preset distance away from the refrigerator body;
the control device is further configured to, prior to the initiation of the door opening alarm timing:
judging whether personnel activities exist in an area with a preset distance from the refrigerator body;
if no personnel activities exist, executing the steps of: starting door opening alarm timing;
if personnel activities exist, waiting until no personnel activities exist in the area with the preset distance from the refrigerator body, and executing the steps: and starting the door opening alarm timing.
As an improvement of the above solution, before the obtaining the average door opening time of the refrigerator, the control device is further configured to:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, judging whether the refrigerator starts a function of automatically adjusting the door opening alarm time length or not;
if yes, executing the steps: acquiring the average door opening time length of the refrigerator, and calculating the current door opening alarm time length of the refrigerator according to the average door opening time length;
if not, acquiring the default door opening alarm time length of the refrigerator, and taking the default door opening alarm time length as the current door opening alarm time length of the refrigerator.
As an improvement of the above, the date type includes: a working day date type and a non-working day date type.
As an improvement of the above scheme, the calculating the door opening alarm time length of the refrigerator according to the average door opening time length specifically includes:
and calculating the door opening alarm time length of the refrigerator according to the sum of the average door opening time length and the preset delay time length.
The embodiment of the invention also provides a door opening alarm control method of the refrigerator, which comprises a door opening detection device and a door closing detection device, wherein the door opening detection device is used for generating a door opening signal and a door closing signal of the refrigerator door; the alarm device is used for sending alarm information;
the method comprises the following steps:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
calculating the current door opening alarm time of the refrigerator according to the average door opening time;
and starting door opening alarm timing, and controlling the alarm device to send alarm information if the door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time.
Compared with the prior art, the refrigerator and the door opening alarm control method of the refrigerator disclosed by the embodiment of the invention comprise a door opening and closing detection device and an alarm device. When a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator; calculating the current door opening alarm time of the refrigerator according to the average door opening time; and starting door opening alarm timing, and controlling the alarm device to send alarm information if the door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time. By adopting the embodiment of the invention, the door opening alarm time of the refrigerator after each door opening is calculated in real time according to the historical door opening and closing data of the refrigerator, so that the door opening alarm time of the refrigerator can be dynamically adjusted according to the use habit of a user on the refrigerator.
Drawings
Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic view of a workflow performed by a control device of a refrigerator in an embodiment of the present invention;
fig. 3 is a schematic view showing a structure of a preferred refrigerator according to an embodiment of the present invention;
fig. 4 is a flowchart of a door opening alarm 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, a schematic structure of a refrigerator according to an embodiment of the present invention is shown. An embodiment of the present invention provides a refrigerator 10, including: refrigerator body 11, refrigerator door 12, door opening and closing detecting device 13, alarm device 14 and control device 15.
Wherein, a storage room is arranged in the refrigerator body 11 and is used for storing articles; the refrigerator door 12 is provided at an opening of the storage compartment. The door opening and closing detecting device 13 is connected to the refrigerator door 12, and is configured to detect a door opening operation and a door closing operation of the refrigerator door 12, and generate a door opening signal and a door closing signal accordingly. The alarm device 14 is arranged on the refrigerator body 11 and is used for sending alarm information; the control device 15 is connected to the door opening/closing detecting device 13 and the alarm device 14, respectively.
Referring to fig. 2, a schematic diagram of a workflow performed by a control device of a refrigerator in an embodiment of the present invention is shown. The control device 15 is configured to perform steps S11 to S13:
s11, when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening duration of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
s12, calculating the current door opening alarm time of the refrigerator according to the average door opening time;
and S13, starting door opening alarm timing, and controlling the alarm device to send alarm information if a door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is long.
In this embodiment of the present invention, the door opening and closing detecting device 13 can detect and generate a corresponding door opening signal and a corresponding door closing signal each time the refrigerator opens and closes, and send the signals to the control device 15. And after the refrigerator is opened every time, the door opening alarm time length T under the current turn can be dynamically adjusted according to the use condition of a user.
Specifically, the control device 15 determines the door opening alarm duration T of the refrigerator under the current turn when receiving the door opening signal sent by the door opening and closing detection device 13. The door opening alarm time T and the average door opening time of the refrigeratorRelated to the following. Average door opening duration of the refrigerator>Is calculated in real time according to the historical door opening and closing data of the refrigerator. For example, the historical door opening and closing data includes a door opening time length and a door opening frequency of the refrigerator counted in a period of time before the current time. Furthermore, the average door opening time length is calculated by means of averaging>
The door opening alarm time T and the average door opening time of the refrigeratorAnd has positive correlation.
Preferably, step S12 is specifically: according to the average door opening time lengthAnd calculating the sum of the preset delay time length a to obtain the door opening alarm time length T of the refrigerator. I.e. ->
The preset delay time a may be set according to practical situations, for example, set to 15s, which is not specifically limited herein.
The control device 15 starts door opening alarm timing, and detects whether a door closing signal of the refrigerator door sent by the door opening and closing detection device 13 is received in the process of timing reaching the door opening alarm time length T. If yes, it indicates that the user has completed the door closing operation within the range of the door opening alarm time period T, and the refrigerator door 12 is closed, then no alarm reminding is required.
If the door opening alarm time period T has elapsed, the door opening signal of the refrigerator door sent by the door opening and closing detection device 13 is not received yet, which indicates that the user does not complete the door opening action within the door opening alarm time period T, and the refrigerator door 12 is continuously opened for a long time, so that the control device 15 controls the alarm device 14 to send alarm information to remind the user to close the door in time.
Preferably, in order to ensure the accuracy of triggering the alarm device, the door opening alarm timing is started by taking the received door opening signal as a time starting point.
By adopting the technical means of the embodiment of the invention, the door opening alarm time of the refrigerator after each door opening is calculated in real time according to the historical door opening and closing data of the refrigerator, so that the door opening alarm time of the refrigerator can be dynamically adjusted according to the use habit of a user on the refrigerator.
On the basis of the above-described embodiment, as a preferred embodiment, the history door opening and closing data of the refrigerator is stored in the internal memory of the control device 15. The control means 15 are also adapted to perform steps S14 and S15:
and S14, updating the stored historical door opening and closing data according to the door opening signal and the door closing signal of the refrigerator door sent by the door opening and closing detection device.
And S15, calculating the average door opening time length of the refrigerator according to the updated historical door opening and closing data.
Specifically, the control device 15 is internally provided with a memory for storingHistorical door opening and closing data is convenient for subsequent retrieval and calculation of average door opening time length of refrigerator
When the refrigerator is opened every time, the door opening and closing detection device 13 generates a door opening signal and sends the door opening signal to the control device 15, and the control device 15 records the moment corresponding to the door opening signal; then, when the refrigerator is closed, the door opening and closing detecting device 13 generates a door closing signal and sends the door closing signal to the control device 15, and the control device 15 records the moment corresponding to the door closing signal. The control device 15 takes the door opening signal and the door closing signal as a door opening and closing cycle of the refrigerator, and calculates the door opening time t of the current cycle according to the corresponding time of the door opening signal and the door closing signal n 。
In one embodiment, the historical door opening and closing data includes a door opening time t counted for each round of the refrigerator before the current time n And the number of times of opening the door n.
The control device 15 calculates the door opening time t of the current round n And storing the historical door opening and closing data in an internal memory, and adding one process to the stored door opening times n, and obtaining updated historical door opening and closing data according to the newly stored door opening time t and the updated door opening times n, wherein the historical door opening and closing data are used for calculating the average door opening time of the refrigerator
In step S15, the calculation formula of the average door opening duration of the refrigerator is as follows:
wherein t is 1 、t 2 、t 3 …t n Indicating the duration of each door opening.
In another embodiment, the historical door opening and closing data includes at the present timeThe average door opening time of the refrigerator counted before etchingAnd the number of times of opening the door n.
The control device 15 calculates the door opening time t of the current round n And, add a processing to the stored door opening times, average door opening time according to the stored historyDoor opening duration t of current round n And the updated door opening times n, calculating the updated average door opening time length of the refrigerator>And obtaining updated historical door opening and closing data.
The calculation formula of the average door opening time length of the refrigerator is as follows:
as a preferred embodiment, the control device 15 is further configured to perform preprocessing of eliminating abnormal data before updating the historical door opening and closing data.
Specifically, the control device 15 calculates the door opening duration of the current round according to the time corresponding to the door opening signal and the door closing signal, and then eliminates the door opening duration (for example, less than 20 s) with too short time, and eliminates the door opening duration with too long time. If the door opening time length of the current round is removed, the corresponding door opening times are not subjected to one-adding treatment.
By adopting the technical means of the embodiment of the invention, the statistical updating of the historical door opening and closing data of the refrigerator and the calculation of the average door opening time are realized through the control device, the data interaction quantity between the refrigerator and the outside can be reduced, the calculation data delay is avoided, the dynamic adjustment of the door opening alarm time of the refrigerator can be effectively realized, and the use experience of a user is improved.
On the basis of the above embodiment, as another preferred implementation manner, the history door opening and closing data of the refrigerator is stored in the cloud server, and the control device 15 is further configured to perform step S14':
and S14', uploading the door opening signal, the door closing signal and the identity information of the refrigerator to the cloud server when receiving the door opening signal and the door closing signal of the refrigerator door sent by the door opening and closing detection device, so that the cloud server updates stored historical door opening and closing data corresponding to the identity information of the refrigerator according to the door opening signal and the door closing signal, and calculates average door opening time of the refrigerator according to the updated historical door opening and closing data.
Specifically, the control device 15 can perform information interaction with a cloud server through a display panel of the refrigerator, and in the embodiment of the invention, historical door opening and closing data are stored through the cloud server, and average door opening time of the refrigerator is calculated
When the refrigerator is opened every time, the door opening and closing detection device 13 generates a door opening signal and sends the door opening signal to the control device 15, the control device 15 uploads the door opening signal and the identity information of the refrigerator to the cloud server, and the cloud server records the moment corresponding to the door opening signal when receiving the door opening signal. Then, when the refrigerator is closed, the door opening and closing detection device 13 generates a door closing signal and sends the door closing signal to the control device 15, the control device 15 uploads the door closing signal and the identity information of the refrigerator to the cloud server, and the cloud server records the moment corresponding to the door closing signal when receiving the door closing signal.
The cloud server can bind and store the received door opening signals, door closing signals and historical door opening and closing data with the identity information according to the identity information of the refrigerator. The cloud serviceThe door opening signal and the door closing signal are used as a door opening and closing turn of the refrigerator, and the door opening time t of the current turn is calculated according to the corresponding time of the door opening signal and the door closing signal n 。
In one embodiment, the historical door opening and closing data includes a door opening time t counted for each round of the refrigerator before the current time n And the number of times of opening the door n. The cloud server calculates the door opening time t of the current round n And storing, adding a process to the stored door opening times n, and obtaining updated historical door opening and closing data according to the newly stored door opening time t and the updated door opening times n, wherein the updated historical door opening and closing data is used for calculating the average door opening time of the refrigerator
In another embodiment, the historical door opening and closing data includes an average door opening time of the refrigerator counted before the current timeAnd the number of times of opening the door n.
The cloud server calculates the door opening time t of the current round n And, add one to the stored door opening times n, average the door opening time according to the stored historyDoor opening duration t of current round n And the updated door opening times n, calculating the updated average door opening time length of the refrigerator>And obtaining updated historical door opening and closing data.
Further, in step S11 executed by the control device 15, that is, when the door opening signal of the refrigerator door sent by the door opening/closing detecting device is received, an average door opening duration of the refrigerator is obtained, which specifically includes:
s111, when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, the identity information of the refrigerator is uploaded to the cloud server, so that the cloud server returns average door opening time corresponding to the identity information according to the identity information;
s112, acquiring average door opening time of the refrigerator returned by the cloud server.
In a preferred embodiment, the cloud server is further configured to perform preprocessing for removing abnormal data before updating the historical door opening and closing data.
Specifically, the cloud server calculates the door opening duration of the current turn according to the time corresponding to the door opening signal and the door closing signal, and then eliminates the door opening duration (for example, less than 20 s) with too short time and eliminates the door opening duration with too long time. If the door opening time length of the current round is removed, the corresponding door opening times are not subjected to one-adding treatment.
By adopting the technical means of the embodiment of the invention, the statistical updating of the historical door opening and closing data of the refrigerator and the calculation of the average door opening time are realized through the cloud server, larger data processing can be performed, the data processing capacity of the refrigerator is reduced, and the dynamic adjustment of the door opening alarm time of the refrigerator is realized through the interaction of the refrigerator and the cloud server, so that the use experience of a user is effectively improved.
As a preferred embodiment, the control device is configured to perform steps S21 to S24:
s21, when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring a date type at the current moment;
s22, acquiring average door opening time of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator, which accords with the date type of the current moment;
s23, calculating the current door opening alarm time of the refrigerator according to the average door opening time;
and S24, starting door opening alarm timing, and controlling the alarm device to send alarm information if a door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is long.
In the embodiment of the present invention, the control device 15 stores historical door opening and closing data and calculates average door opening time length.
The historical door opening and closing data comprises door opening time t of each turn of the refrigerator counted before the current time n And the type of the date corresponding to the door opening time length and the door opening times n.
Specifically, when the refrigerator is opened every time, the door opening and closing detection device 13 generates a door opening signal and sends the door opening signal to the control device 15, and the control device 15 records the time corresponding to the door opening signal and obtains the date type of the current day; then, when the refrigerator is closed, the door opening and closing detecting device 13 generates a door closing signal and sends the door closing signal to the control device 15, and the control device 15 records the moment corresponding to the door closing signal. The control device 15 calculates the door opening time t of the current round according to the time corresponding to the door opening signal and the door closing signal n 。
The control device 15 calculates the door opening time t of the current round n Binding with a corresponding date type and storing the binding in an internal memory, adding one to the stored door opening times n, and obtaining updated historical door opening and closing data according to the newly stored door opening time t, the corresponding date type and the updated door opening times n.
In step S22, the control device 15 obtains the historical door opening and closing data according to the date type of the current time and the stored historical door opening and closing data, so as to calculate and obtain the average door opening duration of the refrigerator.
Further, according to the average door opening time length of the refrigerator, the door opening alarm time length of the refrigerator is calculated, the door opening alarm timing is started, and whether a door closing signal of the refrigerator door sent by the door opening and closing detection device 13 is received or not is detected in the process that the door opening alarm time length T is reached. If so, indicating that the refrigerator door 12 is closed, no alarm alert is required. If the door opening alarm time period T has elapsed, the door opening signal of the refrigerator door sent by the door opening and closing detection device 13 is not received yet, which indicates that the refrigerator door 12 has been continuously opened for a long time, so the control device 15 controls the alarm device 14 to send an alarm message to remind the user of closing the door in time.
It may be appreciated that, in the embodiment of the present invention, the storage of the historical door opening and closing data of the refrigerator and the calculation of the average door opening and closing time of the refrigerator may also be performed by the cloud server, and specific reference may be made to the above related embodiments, which are not described herein.
Preferably, the date type includes: a working day date type and a non-working day date type.
Under normal conditions, the refrigerator is used for a short time by a user on a working day, and is used more frequently on a non-working day, and the door opening time is longer each time, so that the door opening alarm time is set according to historical door opening and closing data of the working day and the non-working day by distinguishing the types of the working day and the non-working day, and the use requirement of the user is met better.
It should be noted that, the date type may be defined according to the usage habit and the requirement of the user, for example, a single number of each month is set to be a first date type, and a double number of each month is set to be a second date type, so that the control device 15 or the cloud server may perform statistics and storage of historical switch door data corresponding to different date types according to the date type set by the user, which does not affect the beneficial effects obtained by the present invention.
By adopting the technical means of the embodiment of the invention, the difference of the door opening times and the door opening time length of the refrigerator under different date types can be effectively considered, the door opening alarm time length of the refrigerator after each door opening is calculated in real time according to the historical door opening and closing data corresponding to the date type when the user opens the door, so that the door opening alarm time length of the refrigerator can be dynamically adjusted according to the use habit of the user on the refrigerator.
As a preferred embodiment, referring to fig. 3, a schematic structural diagram of a preferred refrigerator is provided according to an embodiment of the present invention. On the basis of any one of the above embodiments, the refrigerator 10 further includes: the human body sensing device 16 is arranged on the refrigerator body 11 and is used for detecting whether personnel activities exist in an area which is a preset distance away from the refrigerator body.
Then, in step S13 or step S24, that is, before the start of the door opening alarm timer, the control device is further configured to execute step S31:
s31, judging whether personnel activities exist in an area which is a preset distance away from the refrigerator body;
if no personnel activities exist, the process goes to step S13 or step S24: starting door opening alarm timing;
if there is personnel activity, waiting until there is no personnel activity in the area with the preset distance from the refrigerator body, and jumping to the step S13 or the step S24: and starting the door opening alarm timing.
In the embodiment of the present invention, the human body sensing device 16 is connected to the control device 15, and feeds back the detected result of whether there is a person activity in the area with a preset distance from the refrigerator body to the control device 15.
When a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, whether personnel activities exist in an area which is at a preset distance from the refrigerator body or not is judged in real time. And, the door opening alarm time length of the refrigerator is obtained by the mode of the embodiment. If the user approaches the refrigerator, namely, the user continuously detects that personnel activities exist in the area with the preset distance from the refrigerator body, the door opening alarm timing is not started until the user leaves the refrigerator, namely, the user detects that personnel activities do not exist in the area with the preset distance from the refrigerator body, the door opening alarm timing is started again, and the door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is detected, and the alarm device is controlled to send alarm information.
As a preferred embodiment, the refrigerator is further provided with a switch for automatically adjusting the door opening alarm time length, if the user sets the switch for automatically adjusting the door opening alarm time length to be on, the function for automatically adjusting the door opening alarm time length of the refrigerator is started, and if the user sets the switch to be off, the function for automatically adjusting the door opening alarm time length of the refrigerator is closed. Therefore, a user can determine whether to dynamically adjust the door opening alarm time length of the refrigerator according to the self requirement.
Therefore, before step S11 or step S22, that is, before obtaining the average door opening time period of the refrigerator, the control device 15 is further configured to perform step S32:
s32, judging whether the refrigerator starts a function of automatically adjusting the door opening alarm time length or not when receiving a door opening signal of the refrigerator door sent by the door opening and closing detection device;
if yes, go to steps S11 to S12, or steps S22 to S23: acquiring the average door opening time length of the refrigerator, and calculating the current door opening alarm time length of the refrigerator according to the average door opening time length;
if not, acquiring the default door opening alarm time length of the refrigerator, and taking the default door opening alarm time length as the current door opening alarm time length of the refrigerator.
As an example, the default door opening alarm duration of the refrigerator is set to 2min. Of course, the default door opening alarm time of the refrigerator can be set according to actual conditions, and the beneficial effects obtained by the method are not affected.
As a preferred embodiment, the control device 15 is further configured to, before the obtaining the average door opening time of the refrigerator, perform the steps of:
judging whether the statistical time period corresponding to the historical door opening and closing data is longer than a preset time length or not;
if yes, executing the steps: acquiring the average door opening time length of the refrigerator, and calculating the current door opening alarm time length of the refrigerator according to the average door opening time length;
if not, acquiring the default door opening alarm time length of the refrigerator, and taking the default door opening alarm time length as the current door opening alarm time length of the refrigerator.
In the embodiment of the invention, in order to avoid that the statistical time period of the historical door opening and closing data stored by the control device 15 or the cloud server is shorter, which results in affecting the calculation accuracy of the average door opening time length of the refrigerator, when the statistical time period of the historical door opening and closing data exceeds the preset time length, the door opening alarm time length of the refrigerator is adjusted according to the historical door opening and closing data; and when the statistical time period of the historical door opening and closing data does not exceed the preset time period, adopting the default door opening alarm time period as the current door opening alarm time period of the refrigerator.
As an example, the preset time period is set to 7 days. Of course, the preset duration can be set according to actual conditions, and the beneficial effects obtained by the invention are not affected.
By adopting the technical means of the embodiment of the invention, the control of the door opening alarm time of the refrigerator can be more optimized, and the use experience of a user is improved.
The embodiment of the invention also provides a door opening alarm control method of the refrigerator. The refrigerator comprises a door opening and closing detection device, a door opening and closing detection device and a door opening and closing detection device, wherein the door opening and closing detection device is used for generating a door opening signal and a door closing signal of a refrigerator door; the alarm device is used for sending alarm information.
The door opening alarm control method of the refrigerator is executed by a control device of the refrigerator and comprises the steps of S41 to S43:
s41, when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening duration of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
s42, calculating the current door opening alarm time of the refrigerator according to the average door opening time;
and S43, starting door opening alarm timing, and controlling the alarm device to send alarm information if a door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is long.
By adopting the technical means of the embodiment of the invention, the door opening alarm time of the refrigerator after each door opening is calculated in real time according to the historical door opening and closing data of the refrigerator, so that the door opening alarm time of the refrigerator can be dynamically adjusted according to the use habit of a user on the refrigerator.
It should be noted that, the door opening alarm control method of the refrigerator provided by the embodiment of the present invention is the same as all the steps of the flow executed by the control device of the refrigerator in the foregoing embodiment, and the working principles and beneficial effects of the two correspond one to one, so that the description is omitted.
As a most preferred embodiment, referring to fig. 4, a flow chart of a door opening alarm control method of a refrigerator according to an embodiment of the present invention is shown. In an embodiment of the invention, the refrigerator further comprises a human body sensing device for detecting whether personnel activities exist in an area with a preset distance from the refrigerator body.
When a user opens the refrigerator door, the door opening and closing detection device detects the opening action of the refrigerator door, generates a door opening signal and sends the door opening signal to the control device. The control device judges whether the human body sensing device detects the activity of the person, if the activity of the person exists, the door opening alarm timing is not executed until the activity of the person is detected, and the door opening alarm timing is executed.
Meanwhile, the control device judges whether a function of automatically adjusting the door opening alarm time length of the refrigerator is started or not, and if the function of automatically adjusting the door opening alarm time length is not started, the door opening alarm time length of the refrigerator is determined to be a default door opening alarm time length, and door opening alarm prompt is carried out. If the function of automatically adjusting the door opening alarm time is started, further judging whether the statistical time period of the historical door opening and closing data counted by the cloud server or the internal memory of the control device exceeds a preset time period, for example, 7 days. If the door opening alarm time length of the refrigerator is not exceeded, determining that the door opening alarm time length of the refrigerator is the default door opening alarm time length, and carrying out door opening alarm prompt. If the time exceeds the time, the date type of the door opening time is obtained, whether the door opening time is a working day or a non-working day is determined, the average door opening time length calculated according to the historical door opening and closing data conforming to the date type is obtained, the door opening alarm time length of the current round is further calculated, the door opening alarm prompt is carried out, namely, when the door opening signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time length passes through the alarm timing, the alarm device is controlled to send alarm information.
By adopting the technical means of the embodiment of the invention, the door opening alarm time of the refrigerator can be dynamically adjusted, the use requirement of a user on the refrigerator is met, and the use experience of the user is effectively improved.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), a random access memory (RandomAccessMemory, RAM), or the like.
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 (9)

1. A refrigerator, comprising:
a refrigerator body, the inside of which is provided with a storage chamber;
the refrigerator door is arranged at the opening of the storage chamber;
the door opening and closing detection device is connected with the refrigerator door and is used for generating a door opening signal and a door closing signal of the refrigerator door;
the alarm device is arranged on the refrigerator body and used for sending alarm information;
and the control device is respectively connected with the door opening and closing detection device and the alarm device and is used for:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
calculating the current door opening alarm time of the refrigerator according to the average door opening time;
starting door opening alarm timing, and controlling the alarm device to send alarm information if a door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is long;
when receiving the door opening signal of the refrigerator door sent by the door opening and closing detection device, the control device is further used for:
acquiring a date type of the current moment;
and the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator, which accords with the date type of the current moment.
2. The refrigerator of claim 1, wherein the history door opening and closing data of the refrigerator is stored in an internal memory of the control device, and the control device is further configured to:
and updating the stored historical door opening and closing data according to the door opening signal and the door closing signal of the refrigerator door sent by the door opening and closing detection device.
3. The refrigerator according to claim 2, wherein after the stored historical door opening and closing data is updated according to the door opening signal and the door closing signal of the refrigerator door transmitted by the door opening and closing detecting means, the controlling means is further configured to:
and calculating the average door opening time length of the refrigerator according to the updated historical door opening and closing data.
4. The refrigerator of claim 1, wherein the historical door opening and closing data of the refrigerator is stored in a cloud server, and the control device is further configured to:
when a door opening signal and a door closing signal of the refrigerator door, which are sent by the door opening and closing detection device, are received, uploading the door opening signal, the door closing signal and the identity information of the refrigerator to the cloud server, so that the cloud server updates stored historical door opening and closing data corresponding to the identity information of the refrigerator according to the door opening signal and the door closing signal, and calculates average door opening time of the refrigerator according to the updated historical door opening and closing data.
5. The refrigerator of claim 1, further comprising:
the human body induction device is arranged on the refrigerator body and is used for detecting whether personnel activities exist in an area which is a preset distance away from the refrigerator body;
the control device is further configured to, prior to the initiation of the door opening alarm timing:
judging whether personnel activities exist in an area with a preset distance from the refrigerator body;
if no personnel activities exist, executing the steps of: starting door opening alarm timing;
if personnel activities exist, waiting until no personnel activities exist in the area with the preset distance from the refrigerator body, and executing the steps: and starting the door opening alarm timing.
6. The refrigerator of any one of claims 1 to 5, wherein the control means is further for, prior to the obtaining the average door opening time period of the refrigerator:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, judging whether the refrigerator starts a function of automatically adjusting the door opening alarm time length or not;
if yes, executing the steps: acquiring the average door opening time length of the refrigerator, and calculating the current door opening alarm time length of the refrigerator according to the average door opening time length;
if not, acquiring the default door opening alarm time length of the refrigerator, and taking the default door opening alarm time length as the current door opening alarm time length of the refrigerator.
7. The refrigerator of claim 1, wherein the date type includes: a working day date type and a non-working day date type.
8. The refrigerator as claimed in claim 1, wherein the calculating the door opening alarm time of the refrigerator according to the average door opening time is specifically as follows:
and calculating the door opening alarm time length of the refrigerator according to the sum of the average door opening time length and the preset delay time length.
9. The door opening alarm control method for the refrigerator is characterized by comprising a door opening and closing detection device, wherein the door opening and closing detection device is used for generating a door opening signal and a door closing signal of the refrigerator door; the alarm device is used for sending alarm information;
the method comprises the following steps:
when a door opening signal of the refrigerator door sent by the door opening and closing detection device is received, acquiring average door opening time length of the refrigerator; the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator;
calculating the current door opening alarm time of the refrigerator according to the average door opening time;
starting door opening alarm timing, and controlling the alarm device to send alarm information if a door closing signal of the refrigerator door sent by the door opening and closing detection device is not received after the door opening alarm time is long;
when receiving the door opening signal of the refrigerator door sent by the door opening and closing detection device, the method further comprises the following steps:
acquiring a date type of the current moment;
and the average door opening time is calculated in real time according to historical door opening and closing data of the refrigerator, which accords with the date type of the current moment.
CN202111269305.9A 2021-10-29 2021-10-29 Refrigerator and door opening alarm control method thereof Active CN113983738B (en)

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CN114659320B (en) * 2022-03-09 2023-11-14 重庆海尔制冷电器有限公司 Side by side combination refrigerator
CN116007287A (en) * 2023-01-17 2023-04-25 珠海格力电器股份有限公司 Door body control method and device, electronic equipment, refrigerator and storage medium
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CN116242095B (en) * 2023-01-17 2024-09-06 珠海格力电器股份有限公司 Door closing processing method, device and equipment of refrigerator and storage medium

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