CN105091502A - Power failure prompt device and refrigerator - Google Patents
Power failure prompt device and refrigerator Download PDFInfo
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- CN105091502A CN105091502A CN201510612485.4A CN201510612485A CN105091502A CN 105091502 A CN105091502 A CN 105091502A CN 201510612485 A CN201510612485 A CN 201510612485A CN 105091502 A CN105091502 A CN 105091502A
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- communication module
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- control borad
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Abstract
The invention discloses a power failure prompt device and a refrigerator. The power failure prompt device comprises a refrigerator main control board, a capacitor and a communication module; the refrigerator main control board is connected to a power supply of the refrigerator; the capacitor is connected with the refrigerator main control board in series; when the refrigerator main control board is powered on, the capacitor is charged; the capacitor is connected with the communication module of the power failure prompt device in parallel; when the refrigerator main control board is powered off, the capacitor and the communication module are connected in series to form a closed circuit, and the capacitor discharges so as to supply power to the communication module; the communication module is connected to the capacitor and external equipment and is used for transmitting power failure information to the external equipment when the refrigerator main control board is powered off so that the external equipment can give out a power failure prompt. According to the technical scheme of the power failure prompt device and the refrigerator, when the refrigerator main control board is powered off, part of electricity stored by the capacitor can be supplied to the communication module, and therefore the power failure prompt can be transmitted to the external equipment through the communication module, so that the external equipment is made to prompt that the refrigerator is powered off, a user can maintain the refrigerator timely, the normal operation of the refrigerator is guaranteed, and the use is convenient for the user.
Description
Technical field
The present invention relates to refrigerator technical field, in particular to a kind of break prompt device and a kind of refrigerator.
Background technology
When refrigerator accident power-off, if user could not realize in time, the food inside refrigerator will soon go bad.In addition, as user because some natural cause (typhoon, earthquake etc.) needs closing refrigerator power supply, forget again that when opening refrigerator power supply, the food inside refrigerator often also can go bad later.
In addition, refrigerator of the prior art after a loss of power, owing to not possessing power supply, also outwards cannot send break prompt.
Therefore, how to point out user in time when refrigerator power-off, become current problem demanding prompt solution.
Summary of the invention
The present invention, just based on the problems referred to above, proposes a kind of new technical scheme, can point out user in time when refrigerator power-off.
For this reason, one object of the present invention is to propose a kind of break prompt device.
Another object of the present invention is to propose a kind of refrigerator, has above-mentioned break prompt device.
For achieving the above object, the embodiment of a first aspect of the present invention proposes a kind of break prompt device, for refrigerator, comprising: refrigerator master control borad, is connected to the power supply of described refrigerator; Electric capacity, connect with described refrigerator master control borad, during described refrigerator master control borad energising, for described capacitor charging, described electric capacity is in parallel with the communication module of described break prompt device, and during described refrigerator master control borad power-off, described electric capacity and described communication module are connected into closed-loop path, described capacitor discharge, to power to described communication module; Described communication module, is connected to described electric capacity and peripheral apparatus, for power cut-off information being sent to described peripheral apparatus when described refrigerator master control borad power-off, sends break prompt for described peripheral apparatus.
Break prompt device according to an embodiment of the invention, when the master control borad energising of refrigerator, electric capacity storage compartment electric energy can be passed through, like this when the power-off of refrigerator master control borad, the part electric energy that electric capacity can be utilized to store is powered to communication module, just can send break prompt by communication module to peripheral apparatus, thus make peripheral apparatus point out refrigerator power-off, user is enable to check the power-off reason of refrigerator according to this break prompt, and on-call maintenance, and then ensure the normal operation of refrigerator, and user-friendly, promote Consumer's Experience.
In addition, the break prompt device provided according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, also comprise: divider resistance, with described capacitances in series, for being described capacitor filtering.
Break prompt device according to an embodiment of the invention can be that electric capacity carries out filtering by divider resistance, and logical interchange hinders direct current, thus is embodied as capacitor charging.
According to one embodiment of present invention, also comprise: power detecting line, one end of described power detecting line is connected to described refrigerator master control borad, and the other end is connected to described communication module, detects the whether power-off of described refrigerator master control borad for described communication module by described power detecting line.
Break prompt device according to an embodiment of the invention, can detect the whether power-off of refrigerator master control borad by power detecting line, and then when the power-off of refrigerator master control borad, in time power cut-off information can be sent to peripheral apparatus.
According to one embodiment of present invention, also comprise: universal asynchronous receiving-transmitting transmitter, be connected to described refrigerator master control borad and described communication module, for the operation information from described refrigerator master control borad being transferred to described communication module when described refrigerator master control borad is energized, for described communication module, described operation information is sent to described peripheral apparatus.
Break prompt device according to an embodiment of the invention, when refrigerator master control borad is energized, the operation information of refrigerator master control borad can be sent to peripheral apparatus by universal asynchronous receiving-transmitting transmitter, such user just can according to this operation information, the running status of monitoring refrigerator, user-friendly.
According to one embodiment of present invention, the operating voltage of described universal asynchronous receiving-transmitting transmitter is more than or equal to 3.3V.
Break prompt device according to an embodiment of the invention, in order to ensure the normal operation of universal asynchronous receiving-transmitting transmitter, the operating voltage of universal asynchronous receiving-transmitting transmitter is greater than or equals 3.3V.
According to one embodiment of present invention, described refrigerator master control borad comprises: power supply adaptor, is connected to described power supply and described communication module, for being described communication module adapt voltages.
Break prompt device according to an embodiment of the invention, is converted to direct current by power supply adaptor by the alternating current of power supply, and is the adaptive suitable voltage of communication module, and then ensures the normal operation of communication module.
According to one embodiment of present invention, described communication module comprises wire communication module and/or wireless communication module, and wherein, described wireless communication module is infrared communication module, bluetooth communication or Wi-Fi communication module.
Break prompt device according to an embodiment of the invention, communication module can be communicated with peripheral apparatus by wired and/or wireless mode, therefore this communication module can be wire communication module, also can include but not limited to the wireless communication modules such as infrared communication module, bluetooth communication or Wi-Fi communication module.
According to one embodiment of present invention, described communication module comprises: I/O interface; Detection module, is connected to described I/O interface, and for detecting the level of described I/O interface, wherein, during described refrigerator master control borad energising, described I/O interface is high level, and during described refrigerator master control borad power-off, described I/O interface is low level; And described communication module also for: detect that described I/O interface sends described power cut-off information when being low level at described detection module.
Break prompt device according to an embodiment of the invention, by an I/O interface of communication module, the mode utilizing this I/O interface to interrupt is to detect the whether power-off of refrigerator master control borad, when the power-off of refrigerator master control borad, I/O interface corresponding to communication module will become low level and triggered interrupts, then this interruption of communication module process, and sends power cut-off information to peripheral apparatus, refrigerator master control borad can be detected so in time and whether be in off-position, user-friendly.
According to one embodiment of present invention, the discharge voltage of described electric capacity is more than or equal to 5V.
Break prompt device according to an embodiment of the invention, the operating voltage needed due to communication module is more than or equal to 5V, the operating voltage that universal asynchronous receiving-transmitting transmitter needs is more than or equal to 3.3V, so, in order to the discharge voltage of the normal operation electric capacity ensureing communication module and universal asynchronous receiving-transmitting transmitter is more than or equal to 5V, in addition, the time of capacitor charge and discharge is only relevant with the size of resistance and capacitance, this time can be expressed as t=RC, wherein, t is the time of capacitor charge and discharge, and R is resistance value, C is capacitance, then discharge voltage V
c=5 × e
-t/RC, because the voltage of the normal work of communication module has individual scope, if the minimum operating voltage of communication module is V
min, then V is worked as
c=V
mintime, then can transmit time T needed for power cut-off information according to communication module, the value of RC can be obtained, and then obtain the value of time t of capacitor charge and discharge, thus guarantee the normal work of refrigerator.
Second aspect present invention embodiment provides a kind of refrigerator, this refrigerator has the break prompt device that first aspect present invention any embodiment provides, therefore, this refrigerator has whole beneficial effects of the break prompt device that above-mentioned any embodiment provides, and does not repeat them here.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the block diagram of break prompt device according to an embodiment of the invention;
Fig. 2 shows the block diagram of refrigerator according to an embodiment of the invention;
Fig. 3 shows the circuit diagram of break prompt device according to an embodiment of the invention;
Fig. 4 shows the flow chart carrying out break prompt according to an embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 3 between Reference numeral and component names is:
11 break prompt devices, 111 refrigerator master control borads, 1111 power supply adaptors, 112 electric capacity, 113 communication modules, 114 divider resistances, 115 power detecting lines, 1 refrigerator.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows the block diagram of break prompt device according to an embodiment of the invention.
As shown in Figure 1, break prompt device 11 according to an embodiment of the invention, for refrigerator, comprising: refrigerator master control borad 111, is connected to the power supply of refrigerator; Electric capacity 112, connect with refrigerator master control borad 111, when refrigerator master control borad 111 is energized, for electric capacity 112 charges, electric capacity 112 is in parallel with the communication module 113 of break prompt device 11, and during 111 power-off of refrigerator master control borad, electric capacity 112 and communication module 113 are connected into closed-loop path, electric capacity 112 discharges, to power to communication module 113; Communication module 113, is connected to electric capacity 112 and peripheral apparatus, for power cut-off information being sent to peripheral apparatus when 111 power-off of refrigerator master control borad, sends break prompt for peripheral apparatus.
Break prompt device 11 according to an embodiment of the invention, when the master control borad energising of refrigerator, electric capacity 112 storage compartment electric energy can be passed through, like this when 111 power-off of refrigerator master control borad, the part electric energy that electric capacity 112 can be utilized to store is powered to communication module 113, just can control peripheral apparatus and send break prompt, thus make peripheral apparatus point out refrigerator power-off, user is enable to check the power-off reason of refrigerator according to this break prompt, and on-call maintenance, and then ensure the normal operation of refrigerator, and user-friendly, promote Consumer's Experience.
In addition, the break prompt device 11 provided according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, also comprise: divider resistance, connect with electric capacity 112, for being electric capacity 112 filtering.
Break prompt device 11 according to an embodiment of the invention, can be that electric capacity 112 carries out filtering by divider resistance, and then improve the service life of electric capacity 112.
According to one embodiment of present invention, also comprise: power detecting line, one end of power detecting line is connected to refrigerator master control borad 111, and the other end is connected to communication module 113, detects refrigerator master control borad 111 whether power-off for communication module 113 by power detecting line.
Break prompt device 11 according to an embodiment of the invention, can detect refrigerator master control borad 111 whether power-off by power detecting line, and then when 111 power-off of refrigerator master control borad, in time power cut-off information can be sent to peripheral apparatus.
According to one embodiment of present invention, also comprise: universal asynchronous receiving-transmitting transmitter, be connected to refrigerator master control borad 111 and communication module 113, for the operation information from refrigerator master control borad 111 being transferred to communication module 113 when refrigerator master control borad 111 is energized, for communication module 113, operation information is sent to peripheral apparatus.
Break prompt device 11 according to an embodiment of the invention, when refrigerator master control borad 111 is energized, the operation information of refrigerator master control borad 111 can be sent to peripheral apparatus by universal asynchronous receiving-transmitting transmitter, such user just can according to this operation information, the running status of monitoring refrigerator, user-friendly.
According to one embodiment of present invention, the operating voltage of universal asynchronous receiving-transmitting transmitter is more than or equal to 3.3V.
Break prompt device 11 according to an embodiment of the invention, in order to ensure the normal operation of universal asynchronous receiving-transmitting transmitter, the operating voltage of universal asynchronous receiving-transmitting transmitter is greater than or equals 3.3V.
According to one embodiment of present invention, refrigerator master control borad 111 comprises: power supply adaptor, is connected to power supply and communication module 113, for being communication module 113 adapt voltages.
Break prompt device 11 according to an embodiment of the invention, is converted to direct current by power supply adaptor by the alternating current of power supply, and is the adaptive suitable voltage of communication module 113, and then ensures the normal operation of communication module 113.
According to one embodiment of present invention, communication module 113 comprises wire communication module 113 and/or wireless communication module 113, and wherein, wireless communication module 113 is infrared communication module 113, bluetooth communication 113 or Wi-Fi communication module 113.
Break prompt device 11 according to an embodiment of the invention, communication module 113 can be communicated with peripheral apparatus by wired and/or wireless mode, therefore this communication module 113 can be wire communication module, also can be the wireless communication modules such as infrared communication module, bluetooth communication or Wi-Fi communication module.
According to one embodiment of present invention, communication module 113 comprises: I/O interface; Detection module, is connected to I/O interface, and for detecting the level of I/O interface, wherein, when refrigerator master control borad 111 is energized, I/O interface is high level, and during 111 power-off of refrigerator master control borad, I/O interface is low level; And communication module 113 also for: when detection module detects that I/O interface is low level send power cut-off information.
Break prompt device 11 according to an embodiment of the invention, by an I/O interface of communication module 113, the mode utilizing this I/O interface to interrupt is to detect refrigerator master control borad 111 whether power-off, when 111 power-off of refrigerator master control borad, the I/O interface of communication module 113 correspondence will become low level and triggered interrupts, and then communication module 113 processes this interruption, and sends power cut-off information to peripheral apparatus, refrigerator master control borad 111 can be detected so in time and whether be in off-position, user-friendly.
According to one embodiment of present invention, the discharge voltage of electric capacity 112 is more than or equal to 5V.
Break prompt device 11 according to an embodiment of the invention, the operating voltage needed due to communication module 113 is more than or equal to 5V, the operating voltage that universal asynchronous receiving-transmitting transmitter needs is more than or equal to 3.3V, so, in order to the discharge voltage of the normal operation electric capacity 112 ensureing communication module 113 and universal asynchronous receiving-transmitting transmitter is more than or equal to 5V, in addition, the time of electric capacity 112 discharge and recharge is only relevant with the size of resistance and capacitance, this time can be expressed as t=RC (wherein, t is the time of electric capacity 112 discharge and recharge, R is resistance value, C is capacitance), then discharge voltage V
c=5 × e
-t/RC, because the voltage of the normal work of communication module 113 has individual scope, if the minimum operating voltage of communication module 113 is V
min, then V is worked as
c=V
mintime, then can transmit time T needed for power cut-off information according to communication module 113, the value of RC can be obtained, and then obtain the value of time t of electric capacity 112 discharge and recharge, thus guarantee the normal work of refrigerator.
Fig. 2 shows the block diagram of refrigerator according to an embodiment of the invention.
As shown in Figure 2, refrigerator 1 according to an embodiment of the invention, refrigerator 1 has the break prompt device 11 shown in Fig. 1 of the present invention, and therefore, refrigerator 1 has whole beneficial effects of the break prompt device 11 shown in Fig. 1, does not repeat them here.
Fig. 3 shows the circuit diagram of break prompt device according to an embodiment of the invention.
As shown in Figure 3, break prompt device according to an embodiment of the invention, is made up of refrigerator master control borad 111, power supply adaptor 1111, electric capacity 112, communication module 113, I/O interface, divider resistance 114 and power detecting line 115.
In Fig. 3, AC is alternating current, and DC is direct current.
The break prompt device of the present embodiment can be opened in the moment of refrigerator master control borad 111 power down, send the power cut-off information of refrigerator to communication module 113, whether notify that user's refrigerator is in off-position by communication module 113, whether communication module 113 can detect refrigerator in real time online, power-off.
The hardware components of the present embodiment is when refrigerator power-off, and can be completed the transmission of power cut-off information by electric capacity 112, access electric capacity 112 between VDD-to-VSS, when refrigerator power-off, electric capacity 112 discharges, and sends power cut-off information to communication module 113; The software section of the present embodiment, after communication module 113 receives power cut-off information, is safeguarded according to default machine-processed reminding user and local refrigerator maintenance personal, and sends after-sale service evaluation investigation, the evaluation that investigation user serves this.
In the present embodiment, power supply adaptor 1111 provides multiple dc source, wherein, power supply needed for refrigerator master control borad 111 is 12V, power supply needed for communication module 113 is 5V, refrigerator master control borad 111 and communication module 113 carry out communication by universal asynchronous receiving-transmitting transmitter, and the voltage needed for universal asynchronous receiving-transmitting transmitter is 3.3V, and a string in parallel has the electric capacity 112 of divider resistance 114 at communication module 113 power supply interface place.
The time of electric capacity 112 discharge and recharge is only relevant with the size that resistance and electric capacity 112 are worth, and this time can be expressed as t=RC, and wherein, t is the time of electric capacity 112 discharge and recharge, and R is resistance value, and C is capacitance, then discharge voltage V
c=5 × e
-t/RC, because the voltage of the normal work of communication module 113 has individual scope, if the minimum operating voltage of communication module 113 is V
min, then V is worked as
c=V
mintime, then can transmit time T needed for power cut-off information according to communication module 113, the value of RC can be obtained, and then obtain the value of time t of electric capacity 112 discharge and recharge, thus guarantee the normal work of refrigerator.
Fig. 4 shows the flow chart carrying out break prompt according to an embodiment of the invention.
Step 402, refrigerator power-off also sends power cut-off information to communication module.
Step 404, communication module notifies that user's refrigerator is in off-position, and starts timing.
Step 406, whether online interval, after 4 hours, being detected refrigerator, when judged result is for being, being entered step 418, be otherwise enter step 408 when judged result.
Step 408, sends information: " the electricity went off for refrigerator, goes to look at.”
Step 410, whether online interval, after 8 hours, being detected refrigerator, when judged result is for being, being entered step 418, be otherwise enter step 412 when judged result.
Step 412, sends information: " parent, refrigerator does not also power on, and please contact after-sale service phone: xxxx-xxxxxxx ".
Step 414, whether online interval, after 16 hours, being detected refrigerator, when judged result is for being, being entered step 418, be otherwise enter step 416 when judged result.
Step 416, sends information: " xxx user, xxx model refrigerator breaks down, please as early as possible telephone counseling the need of making house calls, telephone number: xxxxxxxxxxx ".
Step 418, when detecting that the online or interval of refrigerator is after 48 hours, sends service evaluation investigation to user.
More than be described with reference to the accompanying drawings technical scheme of the present invention, by technical scheme of the present invention, when the power-off of refrigerator master control borad, the part electric energy that electric capacity can be utilized to store is powered to communication module, just can send break prompt by communication module to peripheral apparatus, thus make peripheral apparatus point out refrigerator power-off, user is enable to check the power-off reason of refrigerator according to this break prompt, and on-call maintenance, and then ensure the normal operation of refrigerator, user-friendly, promote Consumer's Experience.
In the present invention, term " first ", " second " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " is connected ", " connection " etc. all should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a break prompt device, for refrigerator, is characterized in that, comprising:
Refrigerator master control borad, is connected to the power supply of described refrigerator;
Electric capacity, connect with described refrigerator master control borad, during described refrigerator master control borad energising, for described capacitor charging, described electric capacity is in parallel with the communication module of described break prompt device, and during described refrigerator master control borad power-off, described electric capacity and described communication module are connected into closed-loop path, described capacitor discharge, to power to described communication module;
Described communication module, is connected to described electric capacity and peripheral apparatus, for power cut-off information being sent to described peripheral apparatus when described refrigerator master control borad power-off, sends break prompt for described peripheral apparatus.
2. break prompt device according to claim 1, is characterized in that, also comprise:
Divider resistance, with described capacitances in series, for being described capacitor filtering.
3. break prompt device according to claim 2, is characterized in that, also comprise:
Power detecting line, one end of described power detecting line is connected to described refrigerator master control borad, and the other end is connected to described communication module, detects the whether power-off of described refrigerator master control borad for described communication module by described power detecting line.
4. break prompt device according to claim 3, is characterized in that, also comprise:
Universal asynchronous receiving-transmitting transmitter, be connected to described refrigerator master control borad and described communication module, for the operation information from described refrigerator master control borad being transferred to described communication module when described refrigerator master control borad is energized, for described communication module, described operation information is sent to described peripheral apparatus.
5. break prompt device according to claim 4, is characterized in that, the operating voltage of described universal asynchronous receiving-transmitting transmitter is more than or equal to 3.3V.
6. break prompt device according to claim 4, is characterized in that, described refrigerator master control borad comprises:
Power supply adaptor, is connected to described power supply and described communication module, for being described communication module adapt voltages.
7. break prompt device according to any one of claim 1 to 6, it is characterized in that, described communication module comprises wire communication module and/or wireless communication module, and wherein, described wireless communication module is infrared communication module, bluetooth communication or Wi-Fi communication module.
8. break prompt device according to claim 7, is characterized in that, described communication module comprises:
I/O interface;
Detection module, is connected to described I/O interface, and for detecting the level of described I/O interface, wherein, during described refrigerator master control borad energising, described I/O interface is high level, and during described refrigerator master control borad power-off, described I/O interface is low level; And
Described communication module also for:
Detect that described I/O interface sends described power cut-off information when being low level at described detection module.
9. break prompt device according to claim 8, is characterized in that, the discharge voltage of described electric capacity is more than or equal to 5V.
10. a refrigerator, is characterized in that, comprises break prompt device as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612485.4A CN105091502B (en) | 2015-09-23 | 2015-09-23 | Break prompt device and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612485.4A CN105091502B (en) | 2015-09-23 | 2015-09-23 | Break prompt device and refrigerator |
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| CN105091502A true CN105091502A (en) | 2015-11-25 |
| CN105091502B CN105091502B (en) | 2017-09-19 |
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|---|---|---|---|
| CN201510612485.4A Active CN105091502B (en) | 2015-09-23 | 2015-09-23 | Break prompt device and refrigerator |
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| CN112747554A (en) * | 2019-10-31 | 2021-05-04 | 青岛海尔电冰箱有限公司 | Refrigerator power supply detection method and device |
| CN111964348A (en) * | 2020-07-20 | 2020-11-20 | 四川虹美智能科技有限公司 | Refrigerator power-off reminding device, method and system |
| CN111964348B (en) * | 2020-07-20 | 2022-05-10 | 四川虹美智能科技有限公司 | Refrigerator power-off reminding device, method and system |
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