CN115371353B - Refrigerator and method for detecting working state of communication module of refrigerator - Google Patents

Refrigerator and method for detecting working state of communication module of refrigerator Download PDF

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Publication number
CN115371353B
CN115371353B CN202211149858.5A CN202211149858A CN115371353B CN 115371353 B CN115371353 B CN 115371353B CN 202211149858 A CN202211149858 A CN 202211149858A CN 115371353 B CN115371353 B CN 115371353B
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CN
China
Prior art keywords
communication
refrigerator
pin
communication module
level signal
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CN202211149858.5A
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Chinese (zh)
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CN115371353A (en
Inventor
关业欢
陈星�
黄中铭
李齐
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Hisense Ronshen Guangdong Refrigerator Co Ltd
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Hisense Ronshen Guangdong Refrigerator Co Ltd
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Application filed by Hisense Ronshen Guangdong Refrigerator Co Ltd filed Critical Hisense Ronshen Guangdong Refrigerator Co Ltd
Priority to CN202211149858.5A priority Critical patent/CN115371353B/en
Publication of CN115371353A publication Critical patent/CN115371353A/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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing

Abstract

The application discloses a refrigerator and a working state detection method of a communication module of the refrigerator, which are suitable for the refrigerator with a detachable communication module, wherein a user can select whether to install the communication module or not by himself, a display board capable of communicating and interacting with the communication module is adopted in the refrigerator, when the communication module is not installed in the refrigerator, a communication receiving pin connected with the communication module in the display board is connected with a first grounding pin, a communication sending pin and the first power supply pin are suspended, and at the moment, communication fault alarm En is not prompted. In the embodiment of the application, the display board with the communication function can be suitable for the refrigerator without the communication module, the universality of the display board with the communication function can be improved, and the false alarm condition when the communication module is not connected is avoided.

Description

Refrigerator and method for detecting working state of communication module of refrigerator
Technical Field
The application relates to the technical field of refrigerators, in particular to a refrigerator and a method for detecting the working state of a communication module of the refrigerator.
Background
At present, a refrigerator usually carries a communication function or does not carry a communication function, such as a WiFi function, and the display panel with the communication function and the communication function cannot be shared, so that the refrigerator is poor in universality and inconvenient to manage. A display board with a non-communication function is provided with a 4PIN connecting terminal, such as CN1 in FIG. 1 (communicated with a main control board); the display panel with communication function is provided with an 8PIN connection terminal (communicated with the main control board and the communication module), as shown in CN2 in figure 1. If the display panel is provided with the 8PIN connecting terminal, the software is controlled according to the configuration of the communication function, but when the communication module is not connected, as shown in the RX_wifi and TX_wifi ports in the figure 1, the alarm En prompt of WiFi communication fault can appear, but in practice, the refrigerator does not need WiFi communication at the moment, and the fault prompt can enable a user to consider that the refrigerator has faults.
Disclosure of Invention
The embodiment of the application aims to provide a refrigerator and a method for detecting the working state of a communication module of the refrigerator, which can improve the universality of a display panel with a communication function and avoid the false alarm condition when the communication module is not connected.
To achieve the above object, an embodiment of the present application provides a refrigerator including:
the communication module is detachably arranged in the refrigerator body of the refrigerator and is used for establishing communication connection with external terminal equipment;
the display board is arranged on the refrigerator door of the refrigerator and used for displaying information, and comprises a first communication interface connected with the communication module; the first communication interface comprises a communication receiving pin, a communication sending pin, a first grounding pin and a first power supply pin;
the controller is used for connecting the communication receiving pin with the first grounding pin and suspending the communication sending pin and the first power supply pin when the refrigerator is detected not to be provided with the communication module; when the refrigerator is detected to be provided with the communication module, the communication receiving pin, the communication sending pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
As an improvement of the above solution, the controller is further configured to detect a level signal of a communication receiving pin in the first communication interface, and determine that the refrigerator does not enable the communication function when the level signal of the communication receiving pin is a low level signal; and when the level signal of the communication receiving pin is a high level signal, judging that the refrigerator starts a communication function.
As an improvement of the above, after determining that the refrigerator enables the communication function, the controller is further configured to: when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
As an improvement of the above scheme, the display panel further includes a second communication interface, where the second communication interface includes a second power supply pin, a second ground pin, a signal receiving pin, and a signal transmitting pin; the second power supply pin, the second grounding pin, the signal receiving pin and the signal transmitting pin are all connected with the controller.
As an improvement of the above solution, the controller is further configured to:
when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; when a communication installation instruction sent by a user is not received, judging that the refrigerator is not provided with the communication module;
when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
In order to achieve the above object, the embodiment of the present application further provides a method for detecting a working state of a communication module of a refrigerator, where the refrigerator includes a communication module and a display panel that are removably disposed in a box of the refrigerator, and the display panel includes a first communication interface connected to the communication module; the first communication interface comprises a communication receiving pin, a communication sending pin, a first grounding pin and a first power supply pin; the method comprises:
when the refrigerator is detected to be not provided with a communication module, the communication receiving pin is connected with the first grounding pin, and the communication sending pin and the first power supply pin are suspended;
when the refrigerator is detected to be provided with the communication module, the communication receiving pin, the communication sending pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
As an improvement of the above solution, the method further includes:
detecting a level signal of a communication receiving pin in the first communication interface;
when the level signal of the communication receiving pin is a low level signal, judging that the refrigerator does not enable a communication function;
and when the level signal of the communication receiving pin is a high level signal, judging that the refrigerator starts a communication function.
As an improvement of the above solution, after determining that the refrigerator enables the communication function, the method further includes:
when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
As an improvement of the above scheme, the display panel further includes a second communication interface, where the second communication interface includes a second power supply pin, a second ground pin, a signal receiving pin, and a signal transmitting pin; the second power supply pin, the second grounding pin, the signal receiving pin and the signal transmitting pin are all connected with the controller.
As an improvement of the above solution, the method further includes:
when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; when a communication installation instruction sent by a user is not received, judging that the refrigerator is not provided with the communication module;
when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
Compared with the prior art, the application discloses a refrigerator and a working state detection method of a communication module of the refrigerator, which are suitable for the refrigerator with the detachable communication module, a user can select whether to install the communication module or not by himself, a display board capable of communicating and interacting with the communication module is adopted in the refrigerator, when the communication module is not installed in the refrigerator, a communication receiving pin connected with the communication module in the display board is connected with a first grounding pin, a communication sending pin and a first power supply pin are suspended, and at the moment, communication fault alarm En is not prompted. In addition, whether the refrigerator starts the communication function is judged by detecting a level signal of a communication receiving pin in a first communication interface connected with the communication module in the display panel, the detected low level signal indicates that the refrigerator does not start the communication function, at the moment, a communication alarm prompt is not sent out because the refrigerator already knows that the refrigerator does not start the communication function, and the detected high level signal indicates that the refrigerator starts the communication function. In the embodiment of the application, the display board with the communication function can be suitable for the refrigerator without the communication module, the universality of the display board with the communication function can be improved, and the false alarm condition when the refrigerator is not connected with the communication module is avoided.
Drawings
Fig. 1 is a schematic structural view of a display panel of 4PIN and 8PIN connection terminals commonly used in the prior art;
fig. 2 is a schematic structural view of a refrigerator according to an embodiment of the present application;
fig. 3 is a schematic structural view of a refrigeration system in a refrigerator according to an embodiment of the present application;
fig. 4 is a schematic diagram of a PIN of a display board with an 8PIN connection terminal according to an embodiment of the present application;
fig. 5 is a first workflow diagram of a controller in a refrigerator according to an embodiment of the present application;
fig. 6 is a schematic diagram of a first connection of a display panel with 8PIN connection terminals according to an embodiment of the present application;
fig. 7 is a schematic diagram of a second connection of a display panel with 8PIN connection terminals according to an embodiment of the present application;
fig. 8 is a second workflow diagram of a controller in a refrigerator according to an embodiment of the present application;
fig. 9 is a third workflow diagram of a controller in a refrigerator according to an embodiment of the present application;
fig. 10 is a fourth operational flow diagram of a controller in a refrigerator according to an embodiment of the present application;
fig. 11 is a fifth workflow of a controller in a refrigerator according to an embodiment of the present application;
fig. 12 is a schematic diagram of information interaction between a refrigerator and a client provided by an embodiment of the present application;
fig. 13 is a flowchart of a method for detecting a working state of a communication module of a refrigerator according to an embodiment of the present application.
100 parts of a refrigerator; 200. a client; 300. a router; 400. a cloud server; 1. a compressor; 2. a condenser; 3. an anti-condensation pipe; 4. drying the filter; 5. a capillary tube; 6. an evaporator; 7. a gas-liquid separator.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" or the like may include one or more such features, either explicitly or implicitly. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 2, fig. 2 is a perspective view of one embodiment of a refrigerator according to the present application. The refrigerator of the embodiment is approximately cuboid in shape and comprises a refrigerator body and a plurality of door bodies, wherein the refrigerator body is used for limiting a storage space, the door bodies are arranged at the opening of the refrigerator body, and comprise a door body shell positioned at the outer side of the refrigerator body, a door body liner positioned at the inner side of the refrigerator body, an upper end cover, a lower end cover and a heat insulation layer positioned among the door body shell, the door body liner, the upper end cover and the lower end cover; typically, the insulating layer is filled with a foaming material. The cabinet is provided with a chamber including a component storage chamber for storing components in the refrigerator, such as a compressor, and a storage space for storing food and the like. The storage space may be partitioned into a plurality of storage compartments, which may be configured as a refrigerating compartment, a freezing compartment, and a temperature changing compartment according to the use. Each storage compartment corresponds to one or more doors, for example, in fig. 2, the upper storage compartment is provided with a double door. The door body can be pivoted at the opening of the box body and can also be opened in a drawer mode, so that drawer type storage is realized.
Referring to fig. 3, fig. 3 is a schematic view of a refrigeration system in a refrigerator according to an embodiment of the present application, the refrigeration system includes a compressor 1, a condenser 2, an anti-condensation pipe 3, a dry filter 4, a capillary 5, an evaporator 6, and a gas-liquid separator 7. The working processes of the refrigeration system comprise a compression process, a condensation process, a throttling process and an evaporation process.
The compression process comprises the following steps: when the power line of the refrigerator is inserted and the contact of the temperature controller is connected, the compressor 1 starts to work, the low-temperature and low-pressure refrigerant is sucked by the compressor 1, compressed into high-temperature and high-pressure overheat gas in the cylinder of the compressor 1 and then discharged to the condenser 2; the condensation process is as follows: the high-temperature and high-pressure refrigerant gas radiates heat through the condenser 2, the temperature is continuously reduced, the refrigerant gas is gradually cooled into normal-temperature and high-pressure saturated steam, the saturated steam is further cooled into saturated liquid, the temperature is not reduced any more, the temperature at the moment is called as condensing temperature, and the pressure of the refrigerant in the whole condensing process is almost unchanged; the throttling process is as follows: the condensed refrigerant saturated liquid is filtered by a dry filter 4 to remove moisture and impurities, and then flows into a capillary tube 5, throttling and depressurization are carried out through the capillary tube, and the refrigerant is changed into normal-temperature and low-pressure wet vapor; the evaporation process is as follows: the wet vapor with normal temperature and low pressure starts to absorb heat in the evaporator 6 for vaporization, so that the temperature of the evaporator and the surrounding temperature are reduced, the refrigerant is changed into low-temperature and low-pressure gas, the refrigerant coming out of the evaporator 6 returns to the compressor 1 again after passing through the gas-liquid separator 7, the process is repeated, and the heat in the refrigerator is transferred into the air outside the refrigerator, so that the purpose of refrigeration is realized. The fan makes the air continuously enter the fins of the evaporator 6 to perform heat exchange, and meanwhile, the air cooled after the heat release of the evaporator 6 is sent to the refrigerating chamber and the freezing chamber through the air duct, so that the air in the storing chamber continuously circulates and flows, and the purpose of reducing the temperature is achieved.
Referring to fig. 4, a detachable communication module is provided on the refrigerator according to the embodiment of the present application, and is used for autonomously selecting whether to install the communication module, and in the refrigerator installed with the communication module, communication can be performed between the refrigerator and a client through a router or a server, where the communication module is a bluetooth communication module or a WiFi communication module. Referring to fig. 4, fig. 4 is a schematic PIN diagram of the display board with the 8PIN connection terminal provided by the embodiment of the application, where the display board includes a first communication interface connected with the communication module and a second communication interface connected with the controller, and the first communication interface includes a first power supply PIN A1, a first ground PIN A2, a communication transmitting PIN A3 and a communication receiving PIN A4; the second communication interface includes a second power supply pin B1, a second ground pin B2, a signal transmitting pin B3, and a signal receiving pin B4. Wherein the first power supply pin A1 is "+5V pin", the first ground pin A2 is "GND pin", the communication transmitting pin A3 is "TXW pin", the communication receiving pin A4 is "RXW pin", the second power supply pin B1 is "+5V pin", the second ground pin B2 is "GND pin", the signal transmitting pin B3 is "TX pin", and the signal receiving pin B4 is "RX pin".
The refrigerator controller provided by the embodiment of the application is used for: when the refrigerator is detected to be not provided with a communication module, the communication receiving pin is connected with the first grounding pin, and the communication sending pin and the first power supply pin are suspended; when the refrigerator is detected to be provided with the communication module, the communication receiving pin, the communication sending pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
Referring to fig. 5, fig. 5 is a first workflow diagram of a controller in a refrigerator according to an embodiment of the present application, the controller is configured to perform steps S11 to S14:
s11, detecting the installation state of the communication module, and then proceeding to step S12.
And S12, judging whether the communication module is installed on the refrigerator, if so, entering a step S13, and if not, entering a step S14.
And S13, when the refrigerator is detected to be provided with a communication module, the communication receiving pin A4, the communication sending pin A3, the first grounding pin A2 and the first power supply pin A1 are respectively connected with the communication module.
And S14, when the refrigerator is detected to be not provided with a communication module, the communication receiving pin A4 is connected with the first grounding pin A2, and the communication sending pin A3 and the first power supply pin A1 are suspended.
For example, when it is detected that the refrigerator is not mounted with a communication module, referring to fig. 6, fig. 6 is a schematic diagram of a first connection of the display panel with the 8PIN connection terminal according to the embodiment of the present application, at this time, the communication receiving PIN A4 is connected to the first grounding PIN A2, and at this time, the communication receiving PIN A4 is grounded, so that a low level signal is detected at the communication receiving PIN A4, and the communication transmitting PIN A3 and the first power PIN A1 are suspended. When it is detected that the refrigerator is mounted with a communication module, referring to fig. 7, fig. 7 is a schematic diagram of a second connection of the display panel with the 8PIN connection terminal according to the embodiment of the present application, where the communication receiving PIN A4, the communication transmitting PIN A3, the first grounding PIN A2, and the first power PIN A1 are respectively connected to the communication module.
Specifically, the controller is further configured to: detecting a level signal of a communication receiving pin A4 in the first communication interface, and judging that the refrigerator does not start a communication function when the level signal of the communication receiving pin A4 is a low level signal; when the level signal of the communication receiving pin A4 is a high level signal, the refrigerator is judged to start a communication function.
Referring to fig. 8, fig. 8 is a second workflow diagram of a controller in a refrigerator according to an embodiment of the present application, the controller further configured to perform steps S21 to S24:
s21, detecting a level signal of a communication receiving pin A4 in the first communication interface, and then entering step S22.
S22, judging whether the level signal is a low level signal, if so, proceeding to step S23, otherwise, proceeding to step S24.
And S23, when the level signal of the communication receiving pin A4 is a low level signal, judging that the refrigerator does not enable a communication function. Indicating that the communication receiving pin A4 has been connected to the first ground pin A2 at this time, and that the user has not installed the communication module.
And S24, when the level signal of the communication receiving pin A4 is a high level signal, judging that the refrigerator starts a communication function. Indicating that the communication receiving pin A4 is not connected to the first ground pin A2 at this time, and the user installs the communication module at this time.
Specifically, after determining that the refrigerator enables a communication function, the controller is further configured to: when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
Referring to fig. 9, fig. 9 is a third workflow diagram of a controller in a refrigerator according to an embodiment of the present application, wherein the controller is further configured to perform steps S25 to S27 after performing step S24:
s25, detecting the working state of the communication module, and then entering step S26.
S26, judging whether the communication module is in an abnormal working state, if so, entering a step S27, and if not, continuing to execute the step S26.
And S27, when the communication module is in an abnormal working state, sending out a communication alarm prompt.
The controller may determine whether the communication module is in an abnormal operation state by monitoring an operation process such as a connection state, a data transmission state, etc. of the communication module, for example, whether the communication module is in an abnormal operation state after a communication function is enabled but is not connected to a terminal device for a period of time (1 min), or whether data is failed to be transmitted for a period of time, etc.
Specifically, the controller is further configured to: when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; and when a communication installation instruction sent by a user is not received, judging that the communication module is not installed in the refrigerator.
Referring to fig. 10, fig. 10 is a fourth operation flowchart of a controller in a refrigerator according to an embodiment of the present application, the controller further configured to perform steps S101 to S103:
s101, judging whether a communication installation instruction sent by a user is received, if so, proceeding to step S102, and if not, proceeding to step S103.
S102, when a communication installation instruction sent by a user is received, the refrigerator is judged to be provided with the communication module.
And S103, when a communication installation instruction sent by a user is not received, judging that the communication module is not installed in the refrigerator.
The refrigerator comprises a refrigerator body, wherein a communication module is arranged in the refrigerator body, a containing cavity is formed in the refrigerator body, a user can independently select whether to install the communication module, and after the user installs the communication module in the refrigerator, the user can input a communication installation instruction through a touch screen arranged on the refrigerator door body to indicate that the communication module is installed at the moment.
Specifically, the controller is further configured to: when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
Referring to fig. 11, fig. 11 is a fifth workflow of a controller in a refrigerator according to an embodiment of the present application, the controller further configured to perform steps S104 to S107:
s104, acquiring a real-time pressure value detected by a pressure sensor arranged in the refrigerator accommodating cavity, and then entering step S105.
S105, judging whether the real-time pressure value is larger than the preset pressure threshold value, if so, entering a step S106, and if not, entering a step S107.
And S106, when the real-time pressure value is larger than the preset pressure threshold value, judging that the communication module is installed in the refrigerator.
And S107, when the real-time pressure value is smaller than or equal to the preset pressure threshold value, judging that the communication module is not installed in the refrigerator.
Illustratively, a pressure sensor is disposed in the receiving chamber for detecting whether the communication module is installed. And if the communication module is installed, the communication receiving pin, the communication transmitting pin, the first grounding pin and the first power supply pin are respectively connected with the communication module. And if the communication module is not installed, connecting the communication receiving pin with the first grounding pin, and suspending the communication sending pin and the first power supply pin.
Further, referring to fig. 12, fig. 12 is a schematic information interaction diagram of a refrigerator and a client provided by an embodiment of the present application, and a communication module in the refrigerator 100 establishes a data connection with the client 200 through a router 300 or a cloud server 400. When the refrigerator 100 and the client 200 communicate through the router 300, the refrigerator 100 and the client 200 are closely spaced, and a user can view the operation condition of the refrigerator or the storage condition of food materials placed in a kitchen in a living room or a room. When the refrigerator 100 and the client 200 communicate through the cloud server 400, the refrigerator 100 and the client 200 are far apart, and a user can perform data interaction with the refrigerator 100 through an APP installed in the client 200, and meanwhile, remote control of the refrigerator 100 can be realized.
Compared with the prior art, the refrigerator provided with the detachable communication module is provided with the refrigerator, a user can select whether to install the communication module or not by himself, meanwhile, a display board capable of communicating and interacting with the communication module is adopted in the refrigerator, when the communication module is not installed in the refrigerator, a communication receiving pin connected with the communication module in the display board is connected with a first grounding pin, a communication sending pin and the first power supply pin are suspended, and at the moment, communication fault alarm En is not prompted. In addition, whether the refrigerator starts the communication function is judged by detecting a level signal of a communication receiving pin in a first communication interface connected with the communication module in the display panel, the detected low level signal indicates that the refrigerator does not start the communication function, at the moment, a communication alarm prompt is not sent out because the refrigerator already knows that the refrigerator does not start the communication function, and the detected high level signal indicates that the refrigerator starts the communication function. In the embodiment of the application, the display board with the communication function can be suitable for the refrigerator without the communication module, the universality of the display board with the communication function can be improved, and the false alarm condition when the refrigerator is not connected with the communication module is avoided.
Referring to fig. 13, fig. 13 is a flowchart of a method for detecting a working state of a communication module of a refrigerator according to an embodiment of the present application, where the method for detecting a working state of a communication module of a refrigerator is implemented by a controller in a refrigerator, the refrigerator includes a communication module removably disposed in a box of a refrigerator and a display panel, and the display panel includes a first communication interface connected to the communication module; the first communication interface comprises a communication receiving pin, a communication sending pin, a first grounding pin and a first power supply pin; the method comprises:
s1, when the refrigerator is detected to be not provided with a communication module, connecting the communication receiving pin with the first grounding pin, and suspending the communication sending pin and the first power supply pin;
and S2, when the refrigerator is detected to be provided with a communication module, the communication receiving pin, the communication transmitting pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
The refrigerator provided by the embodiment of the application is provided with the detachable communication module which is used for automatically selecting whether the communication module is installed or not, and the refrigerator provided with the communication module can communicate with the client through the router or the server, wherein the communication module is a Bluetooth communication module or a WiFi communication module. Referring to fig. 4, fig. 4 is a schematic PIN diagram of the display board with the 8PIN connection terminal provided by the embodiment of the application, where the display board includes a first communication interface connected with the communication module and a second communication interface connected with the controller, and the first communication interface includes a first power supply PIN A1, a first ground PIN A2, a communication transmitting PIN A3 and a communication receiving PIN A4; the second communication interface includes a second power supply pin B1, a second ground pin B2, a signal transmitting pin B3, and a signal receiving pin B4. Wherein the first power supply pin A1 is "+5V pin", the first ground pin A2 is "GND pin", the communication transmitting pin A3 is "TXW pin", the communication receiving pin A4 is "RXW pin", the second power supply pin B1 is "+5V pin", the second ground pin B2 is "GND pin", the signal transmitting pin B3 is "TX pin", and the signal receiving pin B4 is "RX pin".
Illustratively, when it is detected that the refrigerator is mounted with a communication module, the communication receiving pin A4 is connected to the first ground pin A2 (a low level signal is detected at the communication receiving pin A4), and the communication transmitting pin A3 and the first power pin A1 are suspended. When the refrigerator is detected to be provided with a communication module, the communication receiving pin A4, the communication transmitting pin A3, the first grounding pin A2 and the first power supply pin A1 are respectively connected with the communication module at the moment.
Specifically, the method further comprises: detecting a level signal of a communication receiving pin in the first communication interface; when the level signal of the communication receiving pin is a low level signal, judging that the refrigerator does not enable a communication function; and when the level signal of the communication receiving pin is a high level signal, judging that the refrigerator starts a communication function.
Illustratively, when the level signal of the communication reception pin A4 is a low level signal, it means that the communication reception pin A4 has been connected to the first ground pin A2 at this time, and the user has not installed the communication module. When the level signal of the communication receiving pin A4 is a high level signal, it indicates that the communication receiving pin A4 is not connected to the first ground pin A2 at this time and the user installs the communication module.
Specifically, after determining that the refrigerator enables the communication function, the method further includes: when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
The controller may determine whether the communication module is in an abnormal operation state by monitoring an operation process such as a connection state, a data transmission state, etc. of the communication module, for example, whether the communication module is in an abnormal operation state after a communication function is enabled but is not connected to a terminal device for a period of time (1 min), or whether data is failed to be transmitted for a period of time, etc.
Specifically, the method further comprises:
when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; when a communication installation instruction sent by a user is not received, judging that the refrigerator is not provided with the communication module;
when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
The refrigerator comprises a refrigerator body, wherein a communication module is arranged in the refrigerator body, a containing cavity is formed in the refrigerator body, a user can independently select whether to install the communication module, and after the user installs the communication module in the refrigerator, the user can input a communication installation instruction through a touch screen arranged on the refrigerator door body to indicate that the communication module is installed at the moment. Further, a pressure sensor is provided in the accommodation chamber for detecting whether the communication module is mounted. And if the communication module is installed, the communication receiving pin, the communication transmitting pin, the first grounding pin and the first power supply pin are respectively connected with the communication module. And if the communication module is not installed, connecting the communication receiving pin with the first grounding pin, and suspending the communication sending pin and the first power supply pin.
Compared with the prior art, the method for detecting the working state of the communication module of the refrigerator has the advantages that the refrigerator with the detachable communication module is arranged on the refrigerator, a user can select whether to install the communication module or not by himself, meanwhile, a display board capable of communicating and interacting with the communication module is adopted in the refrigerator, when the communication module is not installed in the refrigerator, a communication receiving pin connected with the communication module in the display board is connected with a first grounding pin, a communication sending pin and a first power supply pin are suspended, and communication fault alarm En is not indicated at the moment. In addition, whether the refrigerator starts the communication function is judged by detecting a level signal of a communication receiving pin in a first communication interface connected with the communication module in the display panel, the detected low level signal indicates that the refrigerator does not start the communication function, at the moment, a communication alarm prompt is not sent out because the refrigerator already knows that the refrigerator does not start the communication function, and the detected high level signal indicates that the refrigerator starts the communication function. In the embodiment of the application, the display board with the communication function can be suitable for the refrigerator without the communication module, the universality of the display board with the communication function can be improved, and the false alarm condition when the refrigerator is not connected with the communication module is avoided.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the application, such changes and modifications are also intended to be within the scope of the application.

Claims (10)

1. A refrigerator, comprising:
the communication module is detachably arranged in the refrigerator body of the refrigerator and is used for establishing communication connection with external terminal equipment;
the display board is arranged on the refrigerator door of the refrigerator and used for displaying information, and comprises a first communication interface connected with the communication module; the first communication interface comprises a communication receiving pin, a communication sending pin, a first grounding pin and a first power supply pin;
the controller is used for connecting the communication receiving pin with the first grounding pin and suspending the communication sending pin and the first power supply pin when the refrigerator is detected not to be provided with the communication module; when the refrigerator is detected to be provided with the communication module, the communication receiving pin, the communication sending pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
2. The refrigerator of claim 1, wherein the controller is further configured to detect a level signal of a communication reception pin in the first communication interface, and determine that the communication function is not enabled when the level signal of the communication reception pin is a low level signal; and when the level signal of the communication receiving pin is a high level signal, judging that the refrigerator starts a communication function.
3. The refrigerator of claim 2, wherein after determining that the refrigerator enables a communication function, the controller is further configured to:
when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
4. The refrigerator of claim 1, wherein the display panel further comprises a second communication interface comprising a second power pin, a second ground pin, a signal receiving pin, and a signal transmitting pin; the second power supply pin, the second grounding pin, the signal receiving pin and the signal transmitting pin are all connected with the controller.
5. The refrigerator of claim 1, wherein the controller is further configured to:
when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; when a communication installation instruction sent by a user is not received, judging that the refrigerator is not provided with the communication module;
when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
6. The method for detecting the working state of the communication module of the refrigerator is characterized in that the refrigerator comprises a communication module and a display panel which are detachably arranged in the refrigerator body of the refrigerator, and the display panel comprises a first communication interface connected with the communication module; the first communication interface comprises a communication receiving pin, a communication sending pin, a first grounding pin and a first power supply pin; the method comprises:
when the refrigerator is detected to be not provided with a communication module, the communication receiving pin is connected with the first grounding pin, and the communication sending pin and the first power supply pin are suspended;
when the refrigerator is detected to be provided with the communication module, the communication receiving pin, the communication sending pin, the first grounding pin and the first power supply pin are respectively connected with the communication module.
7. The method for detecting an operating state of a communication module of a refrigerator as claimed in claim 6, wherein the method further comprises:
detecting a level signal of a communication receiving pin in the first communication interface;
when the level signal of the communication receiving pin is a low level signal, judging that the refrigerator does not enable a communication function;
and when the level signal of the communication receiving pin is a high level signal, judging that the refrigerator starts a communication function.
8. The method for detecting an operating state of a communication module of a refrigerator as claimed in claim 7, wherein after determining that the refrigerator enables a communication function, the method further comprises:
when the communication module is detected to be in an abnormal working state, a communication alarm prompt is sent out; the communication alarm prompt comprises at least one of a voice prompt, a display screen text prompt, an indicator light prompt and a client prompt.
9. The method for detecting an operating state of a communication module of a refrigerator as claimed in claim 6, wherein the display panel further comprises a second communication interface including a second power pin, a second ground pin, a signal receiving pin and a signal transmitting pin; the second power supply pin, the second grounding pin, the signal receiving pin and the signal transmitting pin are all connected with the controller.
10. The method for detecting an operating state of a communication module of a refrigerator as claimed in claim 6, wherein the method further comprises:
when a communication installation instruction sent by a user is received, judging that the refrigerator is provided with the communication module; when a communication installation instruction sent by a user is not received, judging that the refrigerator is not provided with the communication module;
when a real-time pressure value which is detected by a pressure sensor arranged in the refrigerator accommodating cavity and is larger than a preset pressure threshold value is obtained, the refrigerator is judged to be provided with the communication module; and when the real-time pressure value which is detected by the pressure sensor and is smaller than or equal to a preset pressure threshold value is obtained, judging that the communication module is not installed in the refrigerator.
CN202211149858.5A 2022-09-21 2022-09-21 Refrigerator and method for detecting working state of communication module of refrigerator Active CN115371353B (en)

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