CN113494799A - Refrigerator, display control method of transparent screen and storage medium - Google Patents
Refrigerator, display control method of transparent screen and storage medium Download PDFInfo
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- CN113494799A CN113494799A CN202010254147.9A CN202010254147A CN113494799A CN 113494799 A CN113494799 A CN 113494799A CN 202010254147 A CN202010254147 A CN 202010254147A CN 113494799 A CN113494799 A CN 113494799A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004590 computer program Methods 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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
- 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
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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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
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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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
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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
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable 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
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator, a display control method of a transparent screen and a storage medium. This refrigerator is in time just targets in place to the response of the instruction of user's change transparent screen, and it is direct clear and definite to feed back to the user, has embodied the intellectuality of refrigerator, and is difficult to produce the maloperation, realizes not opening the refrigerator door alright easily see the effect of interior article, reduces refrigerator door unnecessary and opens, makes inside air conditioning be difficult for running off, and the refrigeration environment of eating the material is more stable, accords with the demand of wisdom house.
Description
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a display control method and a storage medium for a refrigerator and a transparent screen.
Background
When the refrigerator is used, in order to check the storage condition of food materials in the refrigerator and avoid opening the door body to make cold air leak, the refrigerator with the transparent screen is characterized in that a partial area on the door body of the refrigerator is controlled to be switched between transparent and non-transparent, and the interior of the refrigerator can be seen.
Along with the development of intelligent house, in order to improve the intelligent degree of refrigerator, need transparent screen to respond more fast, avoid the erroneous judgement to switching between transparent and non-transparent, avoid the untimely mistake of the door body to light to and need avoid not making a response when the user needs it to change transparent situation, the transparent screen of refrigerator need can accurately switch according to the instruction that the user sent, and instruction itself need avoid the operation complicacy, increase user's learning cost, the intellectuality of refrigerator has been restricted, can not satisfy the demand of wisdom family.
Disclosure of Invention
In order to solve the problems in the prior art, an object of the present invention is to provide a display control method for a refrigerator and a transparent screen, and a storage medium.
In order to achieve the above object, an embodiment of the present invention provides a refrigerator, including a refrigerator body having an opening, and a door body closing the opening, where the door body includes a display unit that switches between transparent and non-transparent according to a control signal, the refrigerator further includes a vibration sensing module and a control unit, the vibration sensing module and the display unit are both electrically connected to the control unit, the vibration sensing module receives a vibration wave generated by a knock and sends out a knock vibration signal, and when the knock vibration signal meets a preset condition, the control unit controls the display unit to switch between transparent and non-transparent.
As a further improvement of the present invention, the vibration sensing module includes a piezoelectric film and a signal processing unit electrically connected to the piezoelectric film, the piezoelectric film converts vibration waves generated by knocking into the electrical signals, the signal processing unit receives the electrical signals, and the signal processing unit is electrically connected to the control unit.
As a further improvement of the present invention, the signal processing unit includes a conditioning unit and a micro control unit, the conditioning unit receives the electrical signal, amplifies and filters the electrical signal, the conditioning unit outputs the knocking vibration signal to the micro control unit, the micro control unit judges the knocking vibration signal, and when the knocking vibration signal meets a preset condition, the micro control unit outputs the knocking vibration signal to the control unit.
As a further improvement of the present invention, the preset condition includes a limited range of frequency information and amplitude information of the tapping vibration signal.
As a further improvement of the present invention, the door body includes a door shell, and the piezoelectric film is disposed inside the door shell.
In order to achieve the above object, an embodiment of the present invention provides a display control method for a transparent screen, including:
receiving a knocking vibration signal;
judging whether the knocking vibration signal meets a preset condition or not;
and if so, controlling the display unit to switch between the non-transparent state and the transparent state.
As a further improvement of the present invention, the step of "controlling the display unit to switch between the non-transparent state and the transparent state" includes:
controlling the display unit to be switched from a non-transparent state to a transparent state;
and after a preset time period, controlling the display unit to be switched from a transparent state to a non-transparent state.
As a further improvement of the present invention, the preset condition includes a limited range of frequency information and amplitude information of the tapping vibration signal.
As a further improvement of the present invention, a memory storing a computer program executable on a processor is included, and the control unit executes the computer program to implement the steps in the display control method of the transparent screen.
In order to achieve the above object, an embodiment of the present invention provides a storage medium storing a computer program, which when executed by a processor, can implement the steps in the display control method for a transparent screen.
Compared with the prior art, the invention has the following beneficial effects: this refrigerator is timely and in place to the response of the instruction of user's change transparent screen, the user generally all is in the front of the refrigerator when opening the refrigerator, can not be not beside the refrigerator and send the instruction of change transparency, so when needs change the transparency, the user is simple through the operation mode who beats the transparency that changes transparent screen, the study cost is low, it is direct clear and definite to feed back to the user, the intellectuality of refrigerator has been embodied, and be difficult to produce the maloperation, realized not opening the refrigerator door and easily see the effect of interior article, reduce the unnecessary opening of the refrigerator door body, make inside air conditioning be difficult for running off, the refrigeration environment of eating the material is more stable, accord with the demand of wisdom house.
Drawings
FIG. 1 is a schematic diagram of a control module of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 3 is a flowchart of a display control method of a transparent screen according to an embodiment of the present invention;
the method comprises the following steps of 1, a vibration sensing module; 11. a piezoelectric film; 12. a signal processing unit; 121. a conditioning unit; 122. a micro control unit; 2. a control unit; 3. a display unit; 4. a door body.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The invention discloses a refrigerator, a display control method of a transparent screen and a storage medium.
The embodiment provides a refrigerator, including having the open-ended box, and the closed open-ended door body 4, door body 4 includes the display element 3 that switches between transparent and nontransparent according to control signal, the refrigerator still includes vibrations sensing module 1 and the control unit 2, vibrations sensing module 1 and the equal electricity of display element 3 are connected in control unit 2, vibrations sensing module 1 receives the vibrations wave that strikes the production, and send and strike vibrations signal, when striking vibrations signal and accord with the preset condition, control unit 2 control display element 3 switches between transparent and nontransparent.
Referring to fig. 1, a vibration sensing module 1 and a display unit 3 are electrically connected to a control unit 2, the vibration sensing module 1 converts mechanical vibration waves generated by knocking a refrigerator into electric signals through a piezoelectric effect, processes the electric signals to generate knocking vibration signals, and transmits the knocking vibration signals to the control unit 2, and the control unit 2 controls the display unit 3 to change transparency.
The display unit 3 of this application includes transparent screen, transparent screen sets up on the door body 4 of walk-in, its structure is as shown in fig. 2, in this application, the door body 4 of refrigerator sets up to control two structures of opening the door, transparent screen can be set up the display area that can change the transparency on the walk-in door body 4 on right side, also can be walk-in door body 4 wholly all be constructed into transparent screen, whole door body 4 switches between transparent and nontransparent selectively promptly, so that can conveniently see the inside of walk-in through right walk-in door body 4.
Vibrations sensing module 1 can set up around the transparent screen of the right walk-in door body 4, also can be in the same place with transparent screen integration, for example when whole right walk-in door body 4 all is transparent screen, when knocking any position of the right walk-in door body 4, vibrations can be sensed to the vibrations sensing module 1 homoenergetic of transparent screen rear side, when the vibrations that sense accord with the certain condition, sends to control unit 2 and knocks vibration signal.
The knocking vibration signal is generated by knocking of a user, for example, the user knocks on the transparent screen, the vibration sensing module 1 is arranged behind the transparent screen, the transparent screen is made of glass, the user knocks on the glass, the vibration sensing module 1 can monitor vibration caused by knocking, and mechanical waves are converted into electric signals through piezoelectric effect.
Further, as shown in fig. 1, the vibration sensing module 1 includes a piezoelectric film 11 and a signal processing unit 12 electrically connected to the piezoelectric film 11, the signal processing unit 12 is electrically connected to the control unit 2, the piezoelectric film 11 may be attached to the periphery of the display unit 3 or attached to the rear side of the display unit 3, the piezoelectric film 11 converts the vibration wave into an electrical signal through a piezoelectric effect, and the frequency and amplitude of the electrical signal are related to the strength of the impact and the material of the impact, for example, when the piezoelectric film 11 is disposed under metal or glass, the output result is different. The piezoelectric film 11 transmits the electric signal to the signal processing unit 12, and processes the electric signal.
The signal processing unit 12 includes a conditioning unit 121 for amplifying and filtering the electrical signal, and a micro control unit 122 for receiving and judging the knocking vibration signal of the conditioning unit 121, the conditioning unit 121 amplifies the weaker electrical signal transmitted from the piezoelectric film 11, and performs hardware filtering to a certain extent, and then transmits the amplified knocking vibration signal to the micro control unit 122, the micro control unit 122 screens the signal according to preset conditions, and when the knocking vibration signal is within a preset range, the micro control unit 122 transmits the knocking vibration signal to the control unit 2. The preset rule can be that the knocking force needs to be larger than or smaller than the preset rule, the knocking needs to be performed twice continuously, or the time interval between two times of knocking is limited, and the knocking is judged to be normal artificial knocking, not mistaken touching or other collisions, and only when the condition is met, the knocking vibration signal is further transmitted to the control unit 2.
In addition, the signal processing unit 12 further includes a power supply module, a grounding module, a signal input/output interface, and the like, so as to realize normal operation of the conditioning unit 121 and the micro control unit 122.
Further, the preset conditions comprise limiting ranges of frequency information and amplitude information of the knocking vibration signals, whether the knocking time interval is normal man-made knocking or not can be judged according to the frequency information of the electric signals, the knocking force can be judged according to the amplitude information of the electric signals and is not mistaken touch, normal knocking behaviors are sampled, the knocking vibration signals generated by knocking of different people are obtained, algorithm processing is carried out on the knocking vibration signals, and an appropriate range value is selected to serve as a judgment standard for judging whether the detected knocking vibration signals meet requirements or not.
Unlike the sound sensor, the sound sensor needs to be able to detect vibrations caused by a speaking sound, and has high sensitivity, but this is likely to cause malfunction, for example, some other vibrations may also be detected, and the transparency of the display unit 3 may be erroneously changed. And this application has used vibrations sensing module 1, is difficult to arouse the maloperation, makes display element 3 only can change the transparency when the normal person strikes, and the vibrations signal error range that strikes that should strike the production is low, can not introduce other noise interferences to the possibility of maloperation is very little, and the experience of using is better.
In addition, the box body can also be provided with the display units 3, for example, the display units are arranged on two side surfaces or one side surface of the box body in the left-right direction, at the moment, other two surfaces or three surfaces of the refrigerator in the horizontal direction except the back plate can be in a transparent state, for example, the display units 3 on the left side and the right side and on the door body 4 in front of the refrigerator can be in a transparent state when the vibration sensing module 1 at any position is knocked, so that the whole lighting performance is better, the internal storage condition is more transparent, and the intelligent feeling for a user is further improved.
Further, the door body 4 comprises a door shell, the piezoelectric film 11 is arranged on the inner side of the door shell, the door shell can be made of metal, plastic, glass and the like, certainly, the door shell can be made of the same material as the transparent screen of the display unit 3, the integrity is good, the whole door shell can be the transparent screen, and the piezoelectric film 11 is arranged behind the door shell.
And, piezoelectric film 11 sets up around display element 3, can ensure like this that the transparent screen is not directly touched to people's hand, has ensured the cleanness of transparent screen, and sets up around it, and convenience of customers establishes the corresponding relation of strikeing regional and display element 3.
In piezoelectric film 11's side, can set up some feedback units, like the spring leaf, make and strike the back and produce elastic feedback, or shake the generator, produce vibrations after striking, the different dynamics of striking vibrations are big or small different, and user's experience of striking like this is better, and the in-process feedback of striking is clear and definite, also makes things convenient for the luminance that the great dynamics of striking of user's perception can change the screen.
In addition, the box body can be internally provided with an illuminating unit, and when the vibration sensing module 1 is knocked to accord with a preset rule, the control unit 2 can simultaneously control the illuminating unit to light up to illuminate the interior of the refrigerator.
Other devices for interacting with the user, such as a sound box, can be arranged in the box body, and when the door body 4 is knocked to meet the preset rule, the sound box plays corresponding information. The operation that some users can accomplish without opening the door to the refrigerator can be realized by knocking.
In addition, when the transparent screen is integrated with the piezoelectric film 11, it can also be configured to tap different areas to realize the change of transparency of different areas of the transparent screen, for example, tap on the bottom area of the transparent screen to change the brightness of the bottom area, and the upper part is opaque, or other contents are continuously displayed on the upper part, so as to realize the operation possibilities of both transparency and opacity.
In the embodiment of fig. 2 of the present application, the transparent screen is arranged on the right door body 4 of the refrigerating chamber, and can also be arranged on the left side, or arranged on both the left and right sides, and when the left and right sides are arranged simultaneously, the transparency of the transparent screen on the left side can be changed when the door body 4 on the left side can be knocked; when the door body 4 on the right side is knocked, the transparency of the transparent screen on the right side is changed.
Further, the present embodiment further provides a display control method of a transparent screen, referring to fig. 3, including the steps of:
receiving a knocking vibration signal;
judging whether the knocking vibration signal meets a preset condition or not;
and if so, controlling the display unit to switch between the non-transparent state and the transparent state.
The preset condition comprises a limited range of frequency information and amplitude information of the knocking vibration signal, and the frequency information and the amplitude information can be signals detected twice by the knocking vibration sensing module 1 continuously and rapidly as a standard, so that an instruction sent by a user needing to change transparency is judged.
Further, the step of "controlling the display unit 3 to switch between the non-transparent state and the transparent state" includes:
controlling the display unit 3 to be switched from the non-transparent state to the transparent state;
and after the preset time period, controlling the display unit 3 to be switched from the transparent state to the non-transparent state.
At this time, if the transparent screen is set to be tapped twice, the transparent screen is switched from the non-transparent state to the transparent state, and the screen brightness cannot be changed by tapping for 3 times, 4 times or more, namely, the screen brightness can be changed only after the preset time period, so that some bad operation habits are prevented, and the transparent screen is made to be repeatedly and rapidly switched to be not durable due to the transparency. Only after the transparent screen is used, the next lightening can be carried out.
After the user observes the inside action of refrigerator, can leave, after the predetermined time quantum, the operation of the screen of resting is done to the refrigerator to guarantee whole operation in-process, all need not open the door body 4 of refrigerator, thereby make inside air conditioning can not reveal, the intelligent degree of the refrigerator that the user perception arrived is higher, has satisfied the demand of wisdom house.
Further, the refrigerator includes a memory storing a computer program operable on a processor, and the control unit 2, when executing the computer program, may implement the steps in the above-described display control method for the transparent screen, that is, implement the steps in any one of the above-described display control methods for the transparent screen.
Further, an embodiment of the present invention provides a storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program can implement any one of the steps in the display control method for a transparent screen, that is, the steps in any one of the technical solutions in the display control method for a transparent screen.
Compared with the prior art, the embodiment has the following beneficial effects:
this refrigerator is timely and in place to the response of the instruction of user's change transparent screen, the user generally all is in the front of the refrigerator when opening the refrigerator, can not be not beside the refrigerator and send the instruction of change transparency, so when needs change the transparency, the user is simple through the operation mode who beats the transparency that changes transparent screen, the study cost is low, it is direct clear and definite to feed back to the user, the intellectuality of refrigerator has been embodied, and be difficult to produce the maloperation, realized not opening the refrigerator door and easily see the effect of interior article, reduce the unnecessary opening of the refrigerator door body, make inside air conditioning be difficult for running off, the refrigeration environment of eating the material is more stable, accord with the demand of wisdom house.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a refrigerator, is including having the open-ended box and sealing the open-ended door body, the door body includes the display element who switches between transparent and non-transparent according to control signal, a serial communication port, refrigerator still includes vibrations sensing module and the control unit, vibrations sensing module with the display element electricity connect in equal electricity the control unit, vibrations sensing module receives the vibrations wave that strikes the production to send and strike vibration signal, work as when strike vibration signal accords with the preset condition, the control unit control the display element switches between transparent and non-transparent.
2. The refrigerator according to claim 1, wherein the vibration sensing module includes a piezoelectric film and a signal processing unit electrically connected thereto, the piezoelectric film converts vibration waves generated by the knocking into the electrical signals, the signal processing unit receives the electrical signals, and the signal processing unit is electrically connected to the control unit.
3. The refrigerator according to claim 2, wherein the signal processing unit comprises a conditioning unit and a micro control unit, the conditioning unit receives the electrical signal, amplifies and filters the electrical signal, the conditioning unit outputs the knocking vibration signal to the micro control unit, the micro control unit judges the knocking vibration signal, and when the knocking vibration signal meets a preset condition, the micro control unit outputs the knocking vibration signal to the control unit.
4. The refrigerator according to claim 3, wherein the preset condition includes a limited range of frequency information and amplitude information of the tapping shock signal.
5. The refrigerator according to claim 2, wherein the door body includes a door case, and the piezoelectric film is disposed inside the door case.
6. A display control method of a transparent screen is characterized by comprising the following steps:
receiving a knocking vibration signal;
judging whether the knocking vibration signal meets a preset condition or not;
and if so, controlling the display unit to switch between the non-transparent state and the transparent state.
7. The display control method of the transparent screen according to claim 6, wherein the step of "controlling the display unit to switch between the non-transparent state and the transparent state" includes:
controlling the display unit to be switched from a non-transparent state to a transparent state;
and after a preset time period, controlling the display unit to be switched from a transparent state to a non-transparent state.
8. The display control method of a transparent screen according to claim 6, wherein the preset condition includes a limited range of frequency information and amplitude information of the tapping shock signal.
9. The refrigerator according to claim 1, comprising a memory storing a computer program executable on a processor, wherein the control unit implements the steps in the display control method of the transparent screen according to any one of claims 6 to 8 when executing the computer program.
10. A storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the steps in the display control method of a transparent screen according to any one of claims 6 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254147.9A CN113494799A (en) | 2020-04-02 | 2020-04-02 | Refrigerator, display control method of transparent screen and storage medium |
| PCT/CN2021/074074 WO2021196855A1 (en) | 2020-04-02 | 2021-01-28 | Refrigerator, and display control method for transparent screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254147.9A CN113494799A (en) | 2020-04-02 | 2020-04-02 | Refrigerator, display control method of transparent screen and storage medium |
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| Publication Number | Publication Date |
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| CN113494799A true CN113494799A (en) | 2021-10-12 |
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| CN202010254147.9A Pending CN113494799A (en) | 2020-04-02 | 2020-04-02 | Refrigerator, display control method of transparent screen and storage medium |
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| WO (1) | WO2021196855A1 (en) |
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| KR101892794B1 (en) * | 2015-08-25 | 2018-08-28 | 엘지전자 주식회사 | Refrigerator |
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| WO2021196855A1 (en) | 2021-10-07 |
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