CN111964348A - Refrigerator power-off reminding device, method and system - Google Patents
Refrigerator power-off reminding device, method and system Download PDFInfo
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- CN111964348A CN111964348A CN202010701744.1A CN202010701744A CN111964348A CN 111964348 A CN111964348 A CN 111964348A CN 202010701744 A CN202010701744 A CN 202010701744A CN 111964348 A CN111964348 A CN 111964348A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/006—Safety devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (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 provides a refrigerator power-off reminding device, method and system, wherein the device comprises: the power failure detection module, the processing module and the standby power supply module; the power failure detection module is used for sending a power failure signal to the processing module when detecting that the target refrigerator is powered off; the processing module is used for sending power-off reminding information to the intelligent mobile terminal through a network after receiving the power-off signal from the power-off detection module, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off; and the standby power supply module is used for providing electric energy for the processing module when the power failure detection module determines that the target refrigerator is powered off so as to enable the processing module to continue to work. The scheme can improve the use experience of a user on the refrigerator.
Description
Technical Field
The invention relates to the technical field of intelligent household appliances, in particular to a refrigerator power-off reminding device, method and system.
Background
At present, the popularization rate of intelligent household appliances is higher and higher, but the current intelligent household appliance cannot send power off information to a user at the first time when accidental power failure occurs, so that power utilization accidents are easy to occur after power is supplied again, and great potential safety hazards are brought to the user. Particularly, the refrigerator can be normally operated only by electrifying for a long time, so that the food stored in the refrigerator can not be rotted or deteriorated, and the peculiar smell of the refrigerator can be avoided. Therefore, for the user, the power failure information of the refrigerator is timely determined, and the user can conveniently and timely take corresponding measures after power failure.
Chinese patent application No. 201520183480.X discloses a computer outage reminding and delay control device, and after a computer is in outage, a standby power supply installed inside computer equipment can be used as a power supply module, and the outage reminding module is switched on to trigger an alarm to act so as to send a local outage reminding notification to a user. Such local alerts may not alert the user at all if the user is not at home. Especially, when the refrigerator is powered off for a long time, food stored in the refrigerator may go bad, and a user cannot take corresponding measures in time according to the power-off feedback of the refrigerator, so that the use experience of the user on the refrigerator is poor.
Disclosure of Invention
The invention provides a refrigerator power-off reminding device, method and system, which can improve the use experience of a user on a refrigerator.
In a first aspect, an embodiment of the present invention provides a refrigerator power failure reminding device, including: the power failure detection module, the processing module and the standby power supply module;
the power failure detection module is used for sending a power failure signal to the processing module when detecting that the target refrigerator is powered off;
the processing module is used for sending power-off reminding information to the intelligent mobile terminal after receiving the power-off signal from the power-off detection module, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off;
and the standby power supply module is used for providing electric energy for the processing module when the power failure detection module determines that the target refrigerator is powered off so as to enable the processing module to continue to work.
Alternatively,
the power failure detection module is further used for sending a power supply recovery signal to the processing module after detecting that the target refrigerator recovers power supply;
the processing module is further configured to send power supply restoration information to the intelligent mobile terminal after receiving the power supply restoration signal from the power outage detection module.
Alternatively,
the power-off detection module includes: the NPN type triode comprises an NPN type triode, a first capacitor, a first resistor, a second resistor, a third resistor, a first diode, a second diode and a third diode;
one end of the first capacitor is connected with one pole of a power supply cable of the target refrigerator, and the other end of the first capacitor is connected with the first end of the first resistor;
the second end of the first resistor is connected with the anode of the first diode, and the cathode of the first diode is connected with the other pole of the power supply cable of the target refrigerator;
two ends of the third resistor are respectively connected with two ends of the first capacitor;
the first end of the second resistor is connected with the negative electrode of the standby power supply module, the second end of the second resistor is connected with the positive electrode of the second diode, and the negative electrode of the second diode is connected with the other electrode of the power supply cable of the target refrigerator;
the anode of the third diode is connected with the anode of the standby power supply module, and the cathode of the third diode is connected with one end of the third resistor;
a base electrode of the NPN type triode is connected with a first end of a first resistor, an emitting electrode of the NPN type triode is connected with a negative electrode of the standby power supply module, and a collecting electrode of the NPN type triode is connected with a first signal input end of the processing module;
the standby power supply module is used for enabling the NPN type triode to be closed when no voltage input signal exists in a power supply cable of the target refrigerator, and sending the power-off signal to the processing module through the first signal input end and the second signal input end of the processing module.
Alternatively,
the power outage detection module further comprises: the second capacitor, the sliding rheostat, the first voltage stabilizing diode and the second voltage stabilizing diode;
the first end and the second end of the sliding rheostat are connected with two ends of the standby power supply module, the sliding end of the sliding rheostat is connected with the negative electrode of the first voltage-stabilizing diode, and the positive electrode of the first voltage-stabilizing diode is connected with the positive electrode of the second voltage-stabilizing diode;
the first end of the second capacitor is connected with the negative electrode of the first voltage stabilizing diode, and the second end of the second capacitor is connected with the negative electrode of the standby power supply module;
the cathode of the second voltage stabilizing diode is connected with the anode of the standby power supply module;
the standby power supply module is used for enabling the second voltage stabilizing diode to be conducted to charge the standby power supply module when a voltage input signal exists in a power supply cable of the target refrigerator, and when charging is completed, the second capacitor is charged through the potential set by the sliding rheostat, the first voltage stabilizing diode is conducted, and the second voltage stabilizing diode is cut off.
Alternatively,
the standby power supply module includes: a capacitor or a rechargeable battery.
Alternatively,
the processing module is used for forwarding the power failure reminding information to the cloud server through a network so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
In a second aspect, an embodiment of the present invention further provides a refrigerator power-off reminding method based on the refrigerator power-off reminding apparatus in the first aspect or any possible implementation manner of the first aspect, including:
the power failure detection module is used for detecting whether a target refrigerator is powered off or not, and sending a power failure signal to the processing module after the power failure is determined;
utilizing the standby power supply to provide electric energy for the processing module when the power failure detection module determines that the target refrigerator is powered off so as to enable the processing module to continue to work;
and sending power-off reminding information to the intelligent mobile terminal after receiving the power-off signal by utilizing the processing module, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off.
Optionally, after the detecting, by the power outage detection module, whether a power outage occurs in the target refrigerator, the method further includes:
detecting whether the target refrigerator is powered up or not by using the power failure detection module, and sending a power supply restoration signal to the processing module after the power supply restoration is determined;
and sending the power supply recovery information to the intelligent mobile terminal after receiving the power supply recovery signal by using the processing module.
Optionally, the sending the power failure reminding information to the intelligent mobile terminal includes:
and forwarding the power failure reminding information to a cloud server through a network so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
In a third aspect, an embodiment of the present invention further provides a refrigerator power failure reminding system, including: the refrigerator, the intelligent mobile terminal and the refrigerator power-off reminding device provided by the first aspect or any possible implementation manner of the first aspect;
the refrigerator power-off reminding device is arranged in the refrigerator;
the intelligent mobile terminal is used for receiving the power-off reminding information from the refrigerator power-off reminding device and displaying the power-off reminding information to a user.
According to the refrigerator power-off reminding device, the method and the system, whether a target refrigerator is powered off or not is detected through the power-off detection module, when the target refrigerator is determined to be powered off, the standby power supply module is used for providing electric energy for the processing module so that the processing module continues to work, and the processing module sends power-off reminding information to the intelligent mobile terminal after receiving a power-off signal. Therefore, whether the target refrigerator is powered off or not is determined through the power-off detection module, if the target refrigerator is powered off, the standby power module is started to provide electric energy for the processing module, the processing module is guaranteed to continue to work normally, the processing module can send power-off reminding information to the intelligent mobile terminal after receiving a power-off signal, and therefore a user can remotely receive the power-off reminding information, the user can take corresponding measures in time, and the use experience of the user on the refrigerator can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a refrigerator power-off reminding device according to an embodiment of the invention;
FIG. 2 is a circuit diagram of a power-off detection module in the power-off reminding device of the refrigerator according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of an interruption power detecting module of another refrigerator power failure reminding device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a refrigerator power-off reminding method based on a refrigerator power-off reminding device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a refrigerator power-off reminding system according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a refrigerator power failure reminding device, including: a power failure detection module 101, a processing module 102 and a standby power supply module 103;
the power failure detection module 101 is used for sending a power failure signal to the processing module 102 when detecting that the target refrigerator is powered off;
the processing module 102 is configured to send power failure reminding information to the intelligent mobile terminal through a network after receiving a power failure signal from the power failure detection module 101, where the power failure reminding information is used to indicate that a target refrigerator is powered off;
and the standby power supply module 103 is used for supplying power to the processing module 102 when the power failure detection module 101 determines that the target refrigerator is powered off, so that the processing module 102 continues to work.
The refrigerator power-off reminding device provided by the embodiment of the invention comprises a power-off detection module, a processing module and a standby power supply module, wherein the standby power supply module supplies electric energy to the processing module when the power-off detection module detects that the target refrigerator is powered off, so that the processing module can send power-off reminding information to an intelligent mobile terminal through a network after receiving a power-off signal of the power-off detection module. Therefore, after the target refrigerator is powered off, the processing module is continuously powered on through the standby power supply, so that the processing module can work normally, power-off reminding information is sent to the intelligent mobile terminal through the network, the situation that a user can still remotely receive the power-off reminding information after the target refrigerator is powered off is guaranteed, local reminding limitation is avoided, the user can adopt corresponding measures in time, and the use experience of the user on the refrigerator can be improved.
For example, the processing module may send the power outage alerting information to the smart mobile terminal through a cellular-based narrowband internet of things (NB-IoT).
Alternatively, in the power-off feedback device of the refrigerator shown in fig. 1,
the power failure detection module 101 is further configured to send a power supply restoration signal to the processing module 102 after detecting that the target refrigerator is restored to power supply;
the processing module 102 is further configured to send power supply restoration information to the intelligent mobile terminal after receiving the power supply restoration signal from the power outage detection module 101.
If the refrigerator resumes the power supply again, outage detection module can detect the refrigerator and resume the power supply, will send the signal of resuming the power supply to processing module, and processing module can send the information of resuming the power supply to intelligent Mobile terminal after receiving the signal of resuming the power supply that comes from outage detection module like this to make the user learn that the refrigerator has resumed the power supply, convenience of customers makes corresponding processing to the article in the refrigerator, further improves the user and experiences the use of refrigerator.
In an embodiment of the present invention, in the refrigerator power failure reminding apparatus shown in fig. 1, as shown in fig. 2, the power failure detection module 101 includes: an NPN type transistor V1, a first capacitor C1, a first resistor R1, a second resistor R2, a third resistor R3, a first diode D1, a second diode D2, and a third diode D3;
one end of the first capacitor C1 is connected with one pole of the power supply cable of the target refrigerator, and the other end of the first capacitor C1 is connected with the first end of the first resistor R1;
a second end of the first resistor R1 is connected with an anode of a first diode D1, and a cathode of the first diode D1 is connected with the other pole of the power supply cable of the target refrigerator;
two ends of the third resistor R3 are respectively connected with two ends of the first capacitor C1;
a first end of the second resistor R2 is connected with a negative electrode of the standby power module 103, a second end of the second resistor R2 is connected with a positive electrode of a second diode D2, and a negative electrode of the second diode D2 is connected with the other electrode of the power supply cable of the target refrigerator;
the anode of the third diode D3 is connected to the anode of the standby power module 103, and the cathode of the third diode D3 is connected to one end of the third resistor R3;
a base electrode of the NPN transistor V1 is connected to the first end of the first resistor R1, an emitter electrode of the NPN transistor V1 is connected to the negative electrode of the standby power module 103, and a collector electrode of the NPN transistor V1 is connected to the first signal input end of the processing module 102;
and the standby power supply module 103 is configured to close the NPN transistor V1 when the power supply cable of the target refrigerator has no voltage input signal, and send a power-off signal to the processing module 102 through the first signal input terminal and the second signal input terminal of the processing module 102.
In particular, the amount of the solvent to be used,
the power failure detection module 101 is respectively connected with the processing module 102 and the standby power supply module 103, and has two working lines for normal power supply and power failure of the refrigerator. First, when the refrigerator is normally powered, the power failure detection module 101 has an operating voltage, and the first diode D1, the second diode D2, the first resistor R1, and the second resistor R2 generate voltages with opposite potentials, so that the potential of the base of the NPN transistor V1 is smaller than the potential of the emitter, that is, the PN junction of the base and the emitter is in reverse bias, and the NPN transistor V1 is turned off to not generate a power failure signal, wherein the first capacitor C1 is used for protecting the circuit. When the refrigerator is powered off, the power-off detection module 101 has no working voltage, but the standby power module 103 starts to supply power, and applies a bias voltage to the base of the NPN transistor V1 through the third diode D3 and the third resistor R3, so that the NPN transistor V1 is turned on even if the PN junction of the base-emitter of the NPN transistor V1 is in a forward bias, thereby generating a power-off signal, and transmitting the power-off signal to the processing module 102 through two signal input terminals of the processing module 102 powered by the standby power module 103.
In an embodiment of the present invention, on the basis of the refrigerator power failure reminding apparatus shown in fig. 2, as shown in fig. 3, the power failure detection module 101 further includes: a second capacitor C2, a sliding varistor RP1, a first zener diode Ds1 and a second zener diode Ds 2;
the first end and the second end of the slide rheostat RP1 are connected with two ends of the standby power module 103, the slide end of the slide rheostat is connected with the negative electrode of the first voltage-stabilizing diode Ds1, and the positive electrode of the first voltage-stabilizing diode Ds1 is connected with the positive electrode of the second voltage-stabilizing diode D4;
a first end of the second capacitor C2 is connected with the cathode of the first zener diode Ds1, and a second end of the second capacitor C2 is connected with the cathode of the standby power module 103;
the cathode of the second voltage stabilizing diode Ds2 is connected with the anode of the standby power module 103;
and a second zener diode Ds2 for being turned on when the power supply cable of the target refrigerator has a voltage input signal to charge the standby power module 103, and charging the second capacitor C2 through a potential set by the slide resistor RP1 after the charging is completed to turn on the first zener diode Ds1 and turn off the second zener diode Ds2 after the charging of the second capacitor C2 is completed.
In particular, the amount of the solvent to be used,
when the refrigerator normally supplies power, namely working voltage exists, the second voltage stabilizing diode Ds2 is conducted, and the standby battery module is charged through a power supply cable of the target refrigerator through the second voltage stabilizing diode Ds 2; if the charging is over, the second capacitor C2 is charged by the potential set by the sliding resistor RP1 and a gate trigger signal is provided to the NPN transistor, where the first zener diode Ds1 is turned on and the second zener diode Ds2 is turned off. Thereby guaranteed that stand-by power supply has sufficient electric energy when using to satisfy processing module's power consumption demand, the user need not to participate in this charge-discharge process in the whole journey, consequently improved the user and experienced the use of refrigerator.
Optionally, on the basis of the refrigerator power-off reminding device shown in figure 2 or figure 3,
the backup power supply module 103 includes: a capacitor or a rechargeable battery.
For example, the backup power module 103 may be a capacitor or a rechargeable battery that meets the power requirements of the processing module 102.
Optionally, on the basis of the refrigerator power-off reminding device shown in figure 2 or figure 3,
the processing module 102 is configured to forward the power failure reminding information to the cloud server through the network, so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
Specifically, when the power failure reminding information is sent to the intelligent mobile terminal, the power failure reminding information is firstly forwarded to the cloud server through the network, so that the power failure reminding information is forwarded to the intelligent mobile terminal through the cloud server, and the cloud server further processes the power failure feedback information into an information mode convenient for a user to understand visually.
It can be understood that the illustrated structure of the embodiment of the invention does not constitute a specific limitation on the refrigerator power failure reminding device. In other embodiments of the present invention, the refrigerator power-off reminding apparatus may include more or less components than those shown, or combine some components, or separate some components, or arrange different components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
As shown in fig. 4, an embodiment of the present invention provides a refrigerator power-off reminding method based on the refrigerator power-off reminding device provided in any of the above embodiments, including:
step 401: detecting whether the target refrigerator is powered off by using a power-off detection module, and sending a power-off signal to a processing module after the power-off detection module determines that the target refrigerator is powered off;
step 402: by using the standby power supply, when the power failure detection module determines that the target refrigerator is powered off, the standby power supply provides electric energy for the processing module so as to enable the processing module to continue to work;
step 403: and the processing module is used for sending power-off reminding information to the intelligent mobile terminal through the network after receiving the power-off signal, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off.
Optionally, on the basis of the refrigerator power failure reminding method shown in fig. 4, step 401, after detecting whether the target refrigerator is powered off by using the power failure detection module 101, may determine whether the refrigerator resumes power supply according to the power failure detection module 102, and send a power restoration signal to the processing module 102 after determining that the power supply is resumed; the processing module 102 sends power supply recovery information to the intelligent mobile terminal after receiving the power supply recovery signal.
Optionally, in the refrigerator power failure reminding method shown in fig. 4, step 403 sends power failure reminding information to the intelligent mobile terminal, and the power failure reminding information is firstly forwarded to the cloud server through the network, so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
As shown in fig. 5, an embodiment of the present invention provides a refrigerator power-off reminding system, including: the refrigerator comprises a refrigerator 501, a refrigerator power-off feedback device 502 provided by any one of the above embodiments and an intelligent mobile terminal 503;
the refrigerator power-off reminding device 502 is arranged in the refrigerator 501;
and the intelligent mobile terminal 503 is configured to receive the power-off reminding information from the refrigerator power-off reminding device 502, and display the power-off reminding information to the user.
According to the refrigerator power-off reminding system provided by one embodiment of the invention, the refrigerator power-off reminding device comprises a power-off detection module, a processing module and a standby power supply module, wherein the standby power supply module supplies electric energy to the processing module when the power-off detection module detects that the target refrigerator is powered off, so that the processing module can send power-off reminding information to the intelligent mobile terminal through a network after receiving a power-off signal of the power-off detection module. Therefore, after the target refrigerator is powered off, the processing module is continuously powered on through the standby power supply, so that the processing module can work normally, power-off reminding information is sent to the intelligent mobile terminal through the network, and the fact that a user can still remotely receive the power-off reminding information after the target refrigerator is powered off is guaranteed. The process of determining the occurrence of the power failure of the refrigerator is automatically completed by each module included in the refrigerator power failure reminding system, and a user does not need to participate in the refrigerator power failure reminding process, so that the use experience of the user on the refrigerator power failure reminding system can be improved.
In summary, the refrigerator power-off reminding device, the method and the system provided by the invention at least have the following beneficial effects:
1. the refrigerator power-off reminding device provided by the embodiment of the invention comprises a power-off detection module, a processing module and a standby power supply module, wherein the standby power supply module supplies electric energy to the processing module when the power-off detection module detects that the target refrigerator is powered off, so that the processing module can send power-off reminding information to an intelligent mobile terminal through a network after receiving a power-off signal of the power-off detection module. Therefore, after the target refrigerator is powered off, the processing module is continuously powered on through the standby power supply, so that the processing module can work normally, power-off reminding information is sent to the intelligent mobile terminal through the network, the situation that a user can still remotely receive the power-off reminding information after the target refrigerator is powered off is guaranteed, local reminding limitation is avoided, the user can adopt corresponding measures in time, and the use experience of the user on the refrigerator can be improved.
2. In the refrigerator power failure reminding device provided by the embodiment of the invention, the power failure detection module can detect that the refrigerator has recovered power supply and send a power supply recovery signal to the processing module after the refrigerator recovers power supply, so that the processing module can send power supply recovery information to the intelligent mobile terminal after receiving the power supply recovery signal from the power failure detection module, a user can know that the refrigerator has recovered power supply, the user can conveniently perform corresponding processing on articles in the refrigerator, and the use experience of the user on the refrigerator is further improved.
3. In the refrigerator power-off reminding device provided by the embodiment of the invention, when the refrigerator is normally powered, namely, working voltage exists, the second voltage stabilizing diode Ds2 is conducted, and the standby battery module is charged through the second voltage stabilizing diode Ds2 by a power supply cable of the target refrigerator; if the charging is finished, the second capacitor C2 is charged by the potential set by the sliding rheostat and provides a gate trigger signal for the NPN transistor, at which time the first zener diode Ds1 is turned on and the second zener diode Ds2 is turned off. Thereby guaranteed that stand-by power supply has sufficient electric energy when using to satisfy processing module's power consumption demand, the user need not to participate in this charge-discharge process in the whole journey, consequently improved the user and experienced the use of refrigerator.
It should be noted that not all steps and modules in the above flows and system structure diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by a plurality of physical entities, or some components in a plurality of independent devices may be implemented together.
In the above embodiments, the hardware module may be implemented mechanically or electrically. For example, a hardware module may comprise permanently dedicated circuitry or logic (such as a dedicated processor, FPGA or ASIC) to perform the corresponding operations. A hardware module may also include programmable logic or circuitry (e.g., a general-purpose processor or other programmable processor) that may be temporarily configured by software to perform the corresponding operations. The specific implementation (mechanical, or dedicated permanent, or temporarily set) may be determined based on cost and time considerations.
While the invention has been shown and described in detail in the drawings and in the preferred embodiments, it is not intended to limit the invention to the embodiments disclosed, and it will be apparent to those skilled in the art that various combinations of the code auditing means in the various embodiments described above may be used to obtain further embodiments of the invention, which are also within the scope of the invention.
Claims (10)
1. Refrigerator outage reminding device, its characterized in that includes: the power failure detection module, the processing module and the standby power supply module;
the power failure detection module is used for sending a power failure signal to the processing module when detecting that the target refrigerator is powered off;
the processing module is used for sending power-off reminding information to the intelligent mobile terminal through a network after receiving the power-off signal from the power-off detection module, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off;
and the standby power supply module is used for providing electric energy for the processing module when the power failure detection module determines that the target refrigerator is powered off so as to enable the processing module to continue to work.
2. The apparatus of claim 1,
the power failure detection module is further used for sending a power supply recovery signal to the processing module after detecting that the target refrigerator recovers power supply;
the processing module is further configured to send power supply restoration information to the intelligent mobile terminal after receiving the power supply restoration signal from the power outage detection module.
3. The apparatus of claim 1 or 2, wherein the power outage detection module comprises: the NPN type triode comprises an NPN type triode, a first capacitor, a first resistor, a second resistor, a third resistor, a first diode, a second diode and a third diode;
one end of the first capacitor is connected with one pole of a power supply cable of the target refrigerator, and the other end of the first capacitor is connected with the first end of the first resistor;
the second end of the first resistor is connected with the anode of the first diode, and the cathode of the first diode is connected with the other pole of the power supply cable of the target refrigerator;
two ends of the third resistor are respectively connected with two ends of the first capacitor;
the first end of the second resistor is connected with the negative electrode of the standby power supply module, the second end of the second resistor is connected with the positive electrode of the second diode, and the negative electrode of the second diode is connected with the other electrode of the power supply cable of the target refrigerator;
the anode of the third diode is connected with the anode of the standby power supply module, and the cathode of the third diode is connected with one end of the third resistor;
a base electrode of the NPN type triode is connected with a first end of a first resistor, an emitting electrode of the NPN type triode is connected with a negative electrode of the standby power supply module, and a collecting electrode of the NPN type triode is connected with a first signal input end of the processing module;
the standby power supply module is used for enabling the NPN type triode to be closed when no voltage input signal exists in a power supply cable of the target refrigerator, and sending the power-off signal to the processing module through the first signal input end and the second signal input end of the processing module.
4. The apparatus of claim 3, wherein the power down detection module further comprises: the second capacitor, the sliding rheostat, the first voltage stabilizing diode and the second voltage stabilizing diode;
the first end and the second end of the sliding rheostat are connected with two ends of the standby power supply module, the sliding end of the sliding rheostat is connected with the negative electrode of the first voltage-stabilizing diode, and the positive electrode of the first voltage-stabilizing diode is connected with the positive electrode of the second voltage-stabilizing diode;
the first end of the second capacitor is connected with the negative electrode of the first voltage stabilizing diode, and the second end of the second capacitor is connected with the negative electrode of the standby power supply module;
the cathode of the second voltage stabilizing diode is connected with the anode of the standby power supply module;
the second zener diode is configured to be turned on when a voltage input signal is provided to a power supply cable of the target refrigerator, so as to charge the standby power module, and to charge the second capacitor through a potential set by the sliding rheostat after the charging is completed, so that the first zener diode is turned on and the second zener diode is turned off after the charging of the second capacitor is completed.
5. The device according to any one of claims 1 to 4,
the standby power supply module includes: a capacitor or a rechargeable battery.
6. The device according to any one of claims 1 to 4,
the processing module is used for forwarding the power failure reminding information to the cloud server through a network so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
7. A refrigerator power-off reminding method based on the refrigerator power-off reminding device according to any one of claims 1 to 6, characterized by comprising the following steps:
the power failure detection module is used for detecting whether a target refrigerator is powered off or not, and sending a power failure signal to the processing module after the power failure is determined;
utilizing the standby power supply to provide electric energy for the processing module when the power failure detection module determines that the target refrigerator is powered off so as to enable the processing module to continue to work;
and sending power-off reminding information to the intelligent mobile terminal through a network after receiving the power-off signal by utilizing the processing module, wherein the power-off reminding information is used for indicating that the target refrigerator is powered off.
8. The method of claim 7, wherein after said detecting whether the target refrigerator is powered off by using the power-off detection module, further comprising:
detecting whether the target refrigerator is powered up or not by using the power failure detection module, and sending a power supply restoration signal to the processing module after the power supply restoration is determined;
and sending the power supply recovery information to the intelligent mobile terminal after receiving the power supply recovery signal by using the processing module.
9. The method according to claim 7 or 8, wherein the sending the power-off reminding information to the intelligent mobile terminal comprises:
and forwarding the power failure reminding information to a cloud server through a network so that the cloud server sends the power failure reminding information to the intelligent mobile terminal.
10. Refrigerator outage warning system, its characterized in that includes: the refrigerator, the intelligent mobile terminal and the refrigerator power-off reminding device of any one of claims 1 to 6;
the refrigerator power-off reminding device is arranged in the refrigerator;
the intelligent mobile terminal is used for receiving the power-off reminding information from the refrigerator power-off reminding device and displaying the power-off reminding information to a user.
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| CN111964348B (en) | 2022-05-10 |
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