CN109751831A - A kind of household electric refrigerator staggered floor display device and its control method - Google Patents
A kind of household electric refrigerator staggered floor display device and its control method Download PDFInfo
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- CN109751831A CN109751831A CN201910055313.XA CN201910055313A CN109751831A CN 109751831 A CN109751831 A CN 109751831A CN 201910055313 A CN201910055313 A CN 201910055313A CN 109751831 A CN109751831 A CN 109751831A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000011664 signaling Effects 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 7
- 230000009711 regulatory function Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
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- 238000005034 decoration Methods 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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Abstract
The invention discloses a kind of household electric refrigerator staggered floor display devices, including bottom mainboard, staggered floor display board, window mask, medallion and connecting line；Bottom mainboard and staggered floor display board are by connecting line progress circuit connection, and window mask is placed on staggered floor display board, and medallion is located on window mask；Bottom mainboard includes the first PCB substrate, signal processing unit, coding knob, key, spring and supporting clapboard, and staggered floor display board includes that the second PCB substrate, backlight, light guide plate and staggered floor show diaphragm.A kind of household electric refrigerator staggered floor display device and its control method provided by the invention, pass through the structure design in the mainboard of bottom and in staggered floor display board, and combined window mask and medallion, realize the high concentration of operation knob and display window, reduce space occupancy rate, the service efficiency in space is improved, convenient for intuitively showing that operation is intended to.
Description
Technical field
The invention belongs to refrigerator technical fields, more particularly to a kind of household electric refrigerator staggered floor display device.
Background technique
Refrigerator is a kind of refrigeration equipment for keeping constant low temperature, be in life common one kind for low-temperature preservation food or
The electric appliance of other articles is widely used in life, industrial circle.Refrigerator during upgrading has expedited the emergence of various control object in product development
And interactive mode, existing function setting means are to enter menu in main display interface to be set.In compartment segmentationization, function
Under the background of diversification, the menu and interaction that main display interface is integrated increase year by year, operate level entering deeper and deeper.
Currently, household electric refrigerator mainly take extract high frequency time, the interface that needs direct intervention, with individual display panel
Isolated method improves operating efficiency, common are mechanical knob, the panel with key or the operating surface for simplifying display
The forms such as plate.However, when user is when operating this kind of panel, operation is intended to intuitively to show or panel occupy it is biggish
Space sacrifices the thermal insulation property of larger area.
Summary of the invention
The purpose of the present invention is to provide a kind of household electric refrigerator staggered floor display devices, are shown by bottom plate mainboard, staggered floor
The design of the structure of plate and combined window mask and medallion, solves the problems, such as existing.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
A kind of household electric refrigerator staggered floor display device, including bottom mainboard, staggered floor display board, window mask, medallion
And connecting line；
By connecting line progress circuit connection, window mask is placed on staggered floor display board for the bottom mainboard and staggered floor display board
On, medallion is located on window mask；
The bottom mainboard include the first PCB substrate, signal processing unit, coding knob, key, spring and support every
Plate, staggered floor display board include that the second PCB substrate, backlight, light guide plate and staggered floor show diaphragm, are equipped in the first PCB substrate
Signal processing unit, coding knob are mounted in the first PCB substrate, and the spring and key are individually positioned in coding knob,
It is disposed with supporting clapboard, the second PCB substrate, backlight, light guide plate and staggered floor on the spring and shows diaphragm, the leaded light
Backlight is installed in plate.
Further, if first PCB substrate is equipped with supply and backlight control interface.
Further, the coding knob includes upper part and lower member, and lower member is equipped with and the first PCB base
The pin that plate matches, upper part outside side circle distribution have several sliding rails and fixture block, the distribution of upper part inside circumference
Several sliding slots, and the sliding rail is interspersed with fixture block and sliding rail is identical with the quantity of fixture block.
Further, raised blind hole is provided on the supporting clapboard, the protrusion blind hole inside bottom surface is lower than support plate
Lower end surface.
Further, several snap-gauges matched with side chute in upper part of the supporting clapboard side wall circle distribution,
Supporting clapboard is provided with several spliced eyes, and supporting clapboard lower end surface is equipped with several backlight control interfaces, consolidates in second PCB substrate
Surely there is positioning column, positioning column runs through spliced eye.
Further, be placed on the light guide plate staggered floor show diaphragm, guide plate be equipped with several compartments, each every
Between built-in LED light, the staggered floor shows that diaphragm is equipped with the colour filter of several corresponding backlight colors.
Further, the medallion inner wall is provided with the first guide groove and the second guide groove, the first guide groove and sliding rail
Axial direction along medallion is slidably matched, and the second guide groove (402) and fixture block are matched along the axial direction sliding of medallion
It closes, and medallion rotation drives coding knob and supporting clapboard rotation.
Further, the staggered floor display board, window mask are using bottom mainboard as fixed reference.
Further, user pins window mask, and window mask is moved along the axial direction of the second PCB substrate,
After being moved to one section of formation, the raised blind hole lower end surface on supporting clapboard is squeezed with key-top, generates one-touch
Movement and switching signal, the switching signal of generation are converted to temperature display system and humidity display system through signal processing unit
Switching signal.
Further, a kind of control method of household electric refrigerator staggered floor display device, which is characterized in that including following step
It is rapid:
Step S100, staggered floor display device starts to initialize, after powering on, by reading the storage value of signal processing unit,
The storage value is judged, if the storage value read is 1, enters control system for regulating temperature；If the storage value read is 0,
Into damping control system；
Step S101, into control system for regulating temperature, signal processing unit reads temperature value, by transmitting setting value, passes through
Dump shows diaphragm displays temperature value by staggered floor, and similarly, into damping control system, signal processing unit reads humidity value,
By transmitting setting value, by dump, show that diaphragm shows humidity value by staggered floor；
Step S102 judges whether there is push button signalling input into after control system for regulating temperature, if signal processing unit detects
It is inputted to push button signalling, display and knob regulatory function are switched to damping control system, adjust coding rotation at this time, change humidity
Setting value, real-time display setting humidity simultaneously store, and similarly, into damping control system, judge whether there is push button signalling input, if
Signal processing unit detects that push button signalling inputs, and display and knob regulatory function are switched to control system for regulating temperature, adjusts at this time
Coding rotation, changes desired temperature, and real-time display set temperature simultaneously stores；
Step S103, if current staggered floor shows that the requirement position of the font present position that diaphragm is shown and storage verification is not inconsistent
It closes, then resets coding knob angle, if resetting angle failure, issues fault alarm, if resetting coding knob angle success,
Value returns to load signal processing unit in control panel, then standby, and initialization is completed；
S104, if current staggered floor shows that the requirement position of position and storage verification actually located locating for diaphragm meets,
Then it is worth and returns to load signal processing unit in control panel, then standby, initialization is completed.
The invention has the following advantages:
A kind of household electric refrigerator staggered floor display device and its control method provided by the invention, by the mainboard of bottom and wrong
Structure design in layer display board, and combined window mask and medallion, realize the height collection of operation knob and display window
Middleization reduces space occupancy rate, improves the service efficiency in space, convenient for intuitively showing that operation is intended to, improves panel
Thermal insulation property.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of household electric refrigerator staggered floor display device in the present invention；
Fig. 2 is the partial cross-sectional view of staggered floor display device in the present invention；
Fig. 3 is the explosive view of staggered floor display device in the present invention；
Fig. 4 is the flow chart of staggered floor display-apparatus control method in the present invention；
In attached drawing, parts list represented by the reference numerals are as follows:
The bottom 1- mainboard, 2- layers of display board, 3- window mask, 4- medallion, the first guide groove of 401-, 402- second are led
To slot, 5- connecting line, the first PCB substrate of 6-, 7- coding knob, 701- sliding slot, 702- fixture block, 703- sliding rail, 8- key, 9- bullet
Spring, 10- supporting clapboard, 101- snap-gauge, 102- spliced eye, 103- protrusion blind hole, the second PCB substrate of 11-, 12- light guide plate, 13-
Staggered floor shows diaphragm.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " thickness ", "top", " in ",
Indicating positions or the positional relationship such as " length ", "inner", " surrounding ", are merely for convenience of description of the present invention and simplification of the description, without
It is that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
It please refers to shown in Fig. 1-3, the present invention is a kind of household electric refrigerator staggered floor display device, including bottom mainboard 1, staggered floor
Display board 2, window mask 3, medallion 4 and connecting line 5；
By the progress circuit connection of connecting line 5, window mask 3 is placed on staggered floor display board for bottom mainboard 1 and staggered floor display board 2
On 2, medallion 4 is located on window mask 3；Bottom mainboard 1 includes the first PCB substrate 6, signal processing unit, coding knob
7, key 8, spring 9 and supporting clapboard 10, staggered floor display board 2 include the second PCB substrate 11, backlight, light guide plate 12 and staggered floor
Show diaphragm 13；
Signal processing unit is installed in first PCB substrate 6, and if being equipped with supply and backlight control interface, coding rotation
Button 7 includes upper part and lower member, and lower member is equipped with the pin that matches with the first PCB substrate 6, outside upper part
Portion side circle distribution has several sliding rails 703 and fixture block 702, and upper part inside circumference is distributed several sliding slots 701, wherein institute
State that sliding rail 703 is interspersed with fixture block 702 and sliding rail 703 is identical with the quantity of fixture block 702；
Spring 9 and key 8 are individually positioned in coding knob 7, and supporting clapboard 10, the 2nd PCB are disposed on spring 9
Substrate 11, backlight, light guide plate 12 and staggered floor show diaphragm 13, wherein key 8 is replaceable or additional be a kind of flattening touching
Key is touched, which is placed in staggered floor and shows above or below diaphragm 13, to trigger push button signalling, the realization of touch key-press
Form can be any one in condenser type, resistance-type and inductance type；
Raised blind hole 103 is provided on supporting clapboard 10, protrusion 103 inside bottom surface of blind hole is lower than the lower end of support plate 10
Face, several snap-gauges 101 matched with side chute 701 in upper part of 10 side wall circle distribution of supporting clapboard, supporting clapboard 10
Several spliced eyes 102 are provided with, 10 lower end surface of supporting clapboard is equipped with several backlight control interfaces；
Positioning column is fixed in second PCB substrate 11, positioning column runs through spliced eye 102, convenient for the second PCB substrate 11 and branch
Position between support partition 10 is mutually fixed；
Backlight is installed in light guide plate 12, the light for issuing to backlight carries out guiding role, puts on light guide plate 12
It being equipped with staggered floor and shows that diaphragm 13, the backlight include the light source of a variety of particular colors, guide plate 12 is equipped with several compartments,
LED light built in each compartment makes corresponding staggered floor above the compartment show the not same district of diaphragm 13 by controlling the on-off of LED light
The font in domain is shown that the staggered floor shows that diaphragm 13 is equipped with the colour filter of several corresponding backlight colors, according to the filter of light
Chromogen reason realizes the switching that flickers of different colour filters visually, thus staggered floor shows that the text of different default layers is presented in diaphragm 13
Word or pattern.
Window mask 3 is overlying on staggered floor and shows on diaphragm 13 that 3 inner wall of window mask is slidably matched with light guide plate 12, and window
The lower end surface of mask 3 is in contact with 11 upper surface of the second PCB substrate；
4 inner wall of medallion is provided with the first guide groove 401 and the second guide groove 402, the first guide groove 401 and sliding rail 703
Axial direction along medallion 4 is slidably matched, and axial direction of second guide groove 402 with fixture block 702 along medallion 4 slides
Cooperation, and the rotation of medallion 4 drives coding knob 7 and supporting clapboard 10 to rotate, second PCB substrate 11, guide plate
12 and staggered floor show diaphragm 13 immobilize.
Wherein, staggered floor display board 2, window mask 3 are fixed reference with bottom mainboard 1.
User pins window mask 3, and window mask 3 is moved along the axial direction of the second PCB substrate 11, works as movement
After being formed to one section, 103 lower end surface of raised blind hole on supporting clapboard 10 is squeezed with key-top, and it is dynamic to generate one-touch
Make and switching signal, the switching signal of generation is converted to cutting for temperature display system and humidity display system through signal processing unit
Change signal, wherein signal processing unit uses the number of TOSHIBA (Toshiba) company for the single-chip microcontroller of TMP89FM45QUG.
Coding knob 7 in the household electric refrigerator staggered floor display device is at least used to select different modes, mainly
Including temperature adjustment and damping mode, when selection adjusts temperature or humidity parameter, by rotating medallion 4, by 4 band of medallion
Dynamic coding 7 upper part of knob is rotated, and the operating parameter values can be adjusted in a setting range.
Preferably, the household electric refrigerator shows that diaphragm is connected with coding knob with staggered floor.
Preferably, a kind of control method being encoded knob with knob based on household electric refrigerator, is specifically existed: when selection is adjusted
When certain running parameter, the staggered floor shows that diaphragm running parameter adjusts the page, and shows the current value of selected running parameter, coding
Knob adjusts the operating parameter values, and the operating parameter values after diaphragm vision-control are shown by staggered floor, when running parameter has adjusted
Cheng Hou, staggered floor show that diaphragm exits running parameter and adjusts the page.
Key is that knob encodes possessed touch of key-press function on knob, is realized by depressing and discharging key each
Function is confirmed whether to be converted to control system for regulating temperature or damping control system, while corresponding indicator light lights, instruction
The system of entrance.And the parameter of temperature and humidity can be adjusted by rotary coding knob, and is confirmed by key to each mode
And running parameter is selected.
Preferably, a kind of control method encoding knob with knob based on household electric refrigerator, it is characterised in that:
Several indicator lights, the different mode of the different bright correspondences of indicator light, with basis are provided on the periphery of the knob coding knob
Indicator light is adjusted accordingly.
As shown in figure 4, the control method of household electric refrigerator staggered floor display device, comprising the following steps:
Step S100, staggered floor display device starts to initialize, after powering on, by reading the storage value of signal processing unit,
The storage value is judged, if the storage value read is 1, enters control system for regulating temperature；If the storage value read is 0,
Into damping control system；
Step S101, into control system for regulating temperature, signal processing unit reads temperature value, by transmitting setting value, passes through
Dump shows diaphragm displays temperature value by staggered floor, and similarly, into damping control system, signal processing unit reads humidity value,
By transmitting setting value, by dump, show that diaphragm shows humidity value by staggered floor；
Step S102 judges whether there is push button signalling input into after control system for regulating temperature, if signal processing unit detects
It is inputted to push button signalling, display and knob regulatory function are switched to damping control system, adjust coding rotation at this time, change humidity
Setting value, real-time display setting humidity simultaneously store, and similarly, into damping control system, judge whether there is push button signalling input, if
Signal processing unit detects that push button signalling inputs, and display and knob regulatory function are switched to control system for regulating temperature, adjusts at this time
Coding rotation, changes desired temperature, and real-time display set temperature simultaneously stores；
Step S103, if current staggered floor shows that the requirement position of the font present position that diaphragm is shown and storage verification is not inconsistent
It closes, then resets coding knob angle, if resetting angle failure, issues fault alarm, if resetting coding knob angle success,
Value returns to load signal processing unit in control panel, then standby, and initialization is completed, wherein the staggered floor shows that diaphragm is shown
Font present position i.e. by adjusting humidity system be converted into adjust temperature system in low humidity/low temperature, in wet/medium temperature, high humidity/height
The corresponding position of temperature is not met with the requirement position of storage verification；
S104, if current staggered floor shows that the requirement position of position and storage verification actually located locating for diaphragm meets,
Then it is worth and returns to load signal processing unit in control panel, then standby, initialization is completed.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. a kind of household electric refrigerator staggered floor display device, including bottom mainboard (1), medallion (4), connecting line (5), feature
It is: further includes staggered floor display board (2) and window mask (3)；
By connecting line (5) progress circuit connection, window mask (3) is placed on mistake for the bottom mainboard (1) and staggered floor display board (2)
On layer display board (2), medallion (4) is located on window mask (3)；
The bottom mainboard (1) includes the first PCB substrate (6), signal processing unit, coding knob (7), key (8), spring
(9) and supporting clapboard (10), staggered floor display board (2) include that the second PCB substrate (11), backlight, light guide plate (12) and staggered floor are aobvious
Show diaphragm (13), signal processing unit is equipped in the first PCB substrate (6), and coding knob (7) is mounted on the first PCB substrate (6)
On, the spring (9) and key (8) are individually positioned in coding knob (7), be disposed on the spring (9) support every
Plate (10), the second PCB substrate (11), backlight, light guide plate (12) and staggered floor show diaphragm (13), peace in the light guide plate (12)
Equipped with backlight.
2. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the first PCB base
Plate (6) is if be equipped with supply and backlight control interface.
3. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the coding knob
It (7) include upper part and lower member, lower member is equipped with the pin matched with the first PCB substrate (6), upper part
External side circle distribution has several sliding rails (703) and fixture block (702), and upper part inside circumference is distributed several sliding slots (701),
And the sliding rail (703) is interspersed with fixture block (702) and sliding rail (703) is identical with the quantity of fixture block (702).
4. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the supporting clapboard
(10) it is provided on raised blind hole (103), protrusion blind hole (103) inside bottom surface is lower than the lower end surface of support plate (10).
5. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the supporting clapboard
(10) several snap-gauges (101) matched with side chute in upper part (701) of side wall circle distribution, supporting clapboard (10) are provided with
Several spliced eyes (102), supporting clapboard (10) lower end surface is equipped with several backlight control interfaces, on second PCB substrate (11)
It is fixed with positioning column, positioning column runs through spliced eye (102).
6. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the light guide plate (12)
On be placed with staggered floor show diaphragm (13), guide plate (12) be equipped with several compartments, LED light built in each compartment, the mistake
Layer display diaphragm (13) is equipped with the colour filter of several corresponding backlight colors.
7. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the medallion
(4) inner wall is provided with the first guide groove (401) and the second guide groove (402), and the first guide groove (401) and sliding rail (703) are along circle
The axial direction of decoration (4) is slidably matched, and the second guide groove (402) and fixture block (702) are sliding along the axial direction of medallion (4)
Dynamic cooperation, and medallion (4) rotation drives coding knob (7) and supporting clapboard (10) rotation.
8. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that the staggered floor display board
(2), window mask (3) is with bottom mainboard (1) for fixed reference.
9. a kind of household electric refrigerator staggered floor display device according to claim 1, which is characterized in that user pins window screening
It covers (3), and window mask (3) is mobile along the axial direction of the second PCB substrate (11), after being moved to one section of formation, branch
Raised blind hole (103) lower end surface in support partition (10) is squeezed with key-top, generates one-touch movement and switch letter
Number, the switching signal of generation is converted to the switching signal of temperature display system and humidity display system through signal processing unit.
10. according to claim 1 in -8 a kind of any one household electric refrigerator staggered floor display device control method, it is special
Sign is, comprising the following steps:
Step S100, staggered floor display device starts to initialize, after powering on, by reading the storage value of signal processing unit, to this
Storage value is judged, if the storage value read is 1, enters control system for regulating temperature；If the storage value read is 0, enter
Damping control system；
Step S101, into control system for regulating temperature, signal processing unit reads temperature value, by transmitting setting value, by dump,
Diaphragm displays temperature value is shown by staggered floor, and similarly, into damping control system, signal processing unit reads humidity value, passes through
Setting value is transmitted, by dump, shows that diaphragm shows humidity value by staggered floor；
Step S102, into after control system for regulating temperature, judge whether there is push button signalling input, if signal processing unit detect by
Key signals input, display and knob regulatory function are switched to damping control system, adjust coding rotation at this time, change humidity set
Value, real-time display setting humidity simultaneously store, and similarly, into damping control system, push button signalling input are judged whether there is, if signal
Processing unit detects that push button signalling inputs, and display and knob regulatory function are switched to control system for regulating temperature, adjusts coding at this time
Rotation, changes desired temperature, and real-time display set temperature simultaneously stores；
Step S103, if current staggered floor shows that the requirement position of the font present position that diaphragm is shown and storage verification is not met,
Coding knob angle is then reset, if resetting angle failure, issues fault alarm, if resetting coding knob angle success, is worth
Load signal processing unit in control panel is returned to, then standby, initialization is completed；
S104 is worth if current staggered floor shows that the requirement position of position and storage verification actually located locating for diaphragm meets
Load signal processing unit in control panel is returned to, then standby, initialization is completed.
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| CN201910055313.XA CN109751831A (en) | 2019-01-21 | 2019-01-21 | A kind of household electric refrigerator staggered floor display device and its control method |
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| CN201910055313.XA CN109751831A (en) | 2019-01-21 | 2019-01-21 | A kind of household electric refrigerator staggered floor display device and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113048712A (en) * | 2019-12-26 | 2021-06-29 | 青岛海尔电冰箱有限公司 | Human-computer interaction method of storage device in refrigerator and refrigerator |
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| CN110057162A (en) * | 2019-05-28 | 2019-07-26 | 长虹美菱股份有限公司 | A kind of display light guide structure for refrigerator |
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| CN113048712A (en) * | 2019-12-26 | 2021-06-29 | 青岛海尔电冰箱有限公司 | Human-computer interaction method of storage device in refrigerator and refrigerator |
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| US11965692B2 (en) | 2019-12-26 | 2024-04-23 | Qingdao Haier Refrigerator Co., Ltd. | Human-machine interaction method for storage device inside refrigerator, and refrigerator |
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Application publication date: 20190514 |