CN212378357U - Knob display controller for refrigerator and refrigerator - Google Patents
Knob display controller for refrigerator and refrigerator Download PDFInfo
- Publication number
- CN212378357U CN212378357U CN202020447073.6U CN202020447073U CN212378357U CN 212378357 U CN212378357 U CN 212378357U CN 202020447073 U CN202020447073 U CN 202020447073U CN 212378357 U CN212378357 U CN 212378357U
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- outer ring
- refrigerator
- rotating outer
- display controller
- display screen
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- 238000003825 pressing Methods 0.000 claims abstract description 81
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010926 purge Methods 0.000 description 9
- 238000005192 partition Methods 0.000 description 8
- 238000000746 purification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Images
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model provides a knob display controller and refrigerator for refrigerator. The knob display controller includes: a rotation control unit having a rotating outer ring and a position detection device for detecting a rotational position of the rotating outer ring, and generating first control information based on the position of the rotating outer ring detected by the position detection device; the display device is provided with a display screen, and the display screen is arranged on the inner side of the rotating outer ring; and a key control part having one pressing structure or a plurality of pressing structures sequentially arranged along a circumferential direction of the knob control part; the key control part is arranged at the edge of the display screen or arranged at the radial outer side of the display screen; each press structure is configured to generate second control information; the display device is configured to display according to the first control information and/or the second control information. The novel control device is provided, the knob rotation effect and the display screen color animation effect are combined, a new feeling is provided for a customer, and the intelligentization and intelligentization level is improved.
Description
Technical Field
The utility model relates to an intelligence household electrical appliances, wisdom household electrical appliances field especially relate to a knob display controller and refrigerator for refrigerator.
Background
Currently, the display and adjustment functions of a refrigerator are accomplished primarily through an external display panel on the refrigeration door of the refrigerator. The method for adjusting the refrigerator by the user is single. In addition, when the user adjusts the refrigerator function, generally need close the refrigerator door and adjust, it is difficult to realize when opening cold-stored door.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming at least one defect of current refrigerator, provides a knob display controller and refrigerator for refrigerator to a novel controlling means is provided.
In one aspect, the utility model provides a knob display controller for refrigerator, it includes:
a rotation control unit having a rotating outer ring and a position detection device for detecting a rotational position of the rotating outer ring, and generating first control information based on the position of the rotating outer ring detected by the position detection device;
a display device having a display screen disposed inside the rotating outer ring; and
a button control part having one pressing structure or a plurality of pressing structures sequentially arranged along a circumferential direction of the knob control part; the key control part is arranged at the edge of the display screen or arranged at the radial outer side of the display screen; each of the pressing structures is configured to generate second control information; the display device is configured to display according to the first control information and/or the second control information.
Optionally, the display device further includes a circuit control board disposed in the rotating outer ring, and the display screen, the position detection device, and the key control portion are electrically connected to the circuit control board.
Optionally, the knob display controller further comprises a connecting terminal electrically connected to the circuit control board, and the connecting terminal has at least four connecting pins to be electrically connected to the main control board of the refrigerator through a UART method.
Optionally, the display screen is a TFT screen, the circuit control board is provided with a control chip of an ARM M3 core, the position detection device is a device for detecting a position by using an infrared grating principle, and each of the pressing structures is a touch key.
Optionally, the knob display controller further includes a bottom case, the rotating outer ring is rotatably mounted on the bottom case, and the position detecting device is mounted in a space defined by the bottom case and the rotating outer ring.
Optionally, the knob display controller further comprises a transparent top cover, the transparent top cover is connected to the rotating outer ring, and the display screen and the key control part are arranged on the inner side of the transparent top cover;
the key control part is arranged between the display screen and the rotary outer ring.
On the other hand, the utility model also provides a refrigerator, including box and any kind of above-mentioned knob display control ware, have in the box by the control space, knob display control ware is used for control by the control space.
Optionally, a partition device is further arranged in the box body, and the knob display controller is mounted on the partition device.
Optionally, the separating device is provided with a decorative strip, the decorative strip is provided with a mounting hole, and the knob display controller is mounted in the mounting hole through a buckle or a screw.
Optionally, the controlled space comprises at least two subspaces;
the pressing structure of the key control part comprises a fourth pressing structure which is configured to switch and control the subspace.
Optionally, the controlled space comprises at least two subspaces, the rotating outer ring is rotatable to at least two positions, and the rotating outer ring controls one of the subspaces when rotated to one position.
Optionally, the controlled space comprises a plurality of subspaces, the rotating outer ring being rotatable to a plurality of positions; and is
In at least one position to which the rotating outer ring is turned, controlling at least two of the subspaces as the rotating outer ring is turned at each position;
in at least one of the remaining positions to which the rotating outer ring is rotated, the rotating outer ring controls the refrigerator or all of the subspaces when rotated to each position.
Optionally, the rotating outer ring is configured to rotate to at least a normal position, a warm zone adjustment position, a special function adjustment position, a purification function position, and a memo information inquiry position; the pressing structure of the key control part comprises a second pressing structure, a third pressing structure and a first pressing structure;
when the rotating outer ring is at the normal position, the display screen displays first memo information of a controlled space, and if the first memo information does not exist, first preset information of the controlled space is displayed;
when the rotating outer ring is in the temperature zone adjusting position, the gear of the controlled space is switched through the second pressing structure, and the gear is confirmed through the third pressing structure;
when the rotary outer ring is at the special function adjusting position, the first pressing structure is used for switching a special function, the second pressing structure is used for switching or adjusting a switch corresponding to the special function, and the third pressing structure is used for confirming;
when the rotating outer ring is in the purification function position, the switch of the purification function is switched through the second pressing structure, and the switch is confirmed through the third pressing structure;
and when the rotating outer ring is at the memo information inquiry position, switching second memo information which is required to be checked and is reserved through a network through the second pressing structure, and if the second memo information does not exist, displaying second preset information of the controlled space.
The utility model discloses an among knob display controller and refrigerator, because have rotatory outer ring, button control portion, be located the rotatory intra-annular display screen of outer ring, the rotational position detection control is realized to the outer lane of knob, and inside realization function display provides a novel controlling means, and the rotatory effect of knob and the colored animation effect of display screen combine together, give the new impression of customer's an ear-to-eye. Further, the knob display controller is particularly convenient for use inside a refrigerator. Further, compared with the prior art in the fields of intelligent household appliances, intelligent household appliances and the like, the technical effect of combining control and display is achieved, and the intelligent level is improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic diagram of a knob display controller according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a knob display controller according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a refrigerator according to an embodiment of the present invention;
fig. 4 is a schematic partial structural view of the refrigerator shown in fig. 3.
Detailed Description
Fig. 1 is a schematic diagram of a knob display controller according to an embodiment of the present invention; as shown in fig. 1 and referring to fig. 2, an embodiment of the present invention provides a knob display controller 20 for a refrigerator, which includes a rotation control part, a display device, and a key control part. The rotation control section has a rotation outer ring 21 and position detection means for detecting a rotational position of the rotation outer ring 21 to generate first control information based on the position of the rotation outer ring 21 detected by the position detection means. The display device has a display screen 22, and the display screen 22 is disposed inside the rotating outer ring 21. The button control part is provided with a pressing structure or a plurality of pressing structures which are sequentially arranged along the circumferential direction of the knob control part. The key control portion is disposed at an edge of the display screen 22 or disposed radially outside the display screen 22. When the key control portion is disposed on the radial outer side of the display screen 22, it may be disposed between the display screen 22 and the rotating outer ring 21. Each of the pressing structures is preferably a touch key, and may also be a mechanical key, configured to generate the second control information. Further, the pressing structures may include a first pressing structure 23, a second pressing structure 24, a third pressing structure 25, and a fifth pressing structure 26. The display device is configured to display according to the first control information and/or the second control information.
The utility model discloses knob display controller 20 is at the during operation, and the user is through rotating rotatory outer ring 21 to detect the position of rotatory outer ring 21 through position detection device, in order to send first control information, display device can directly show corresponding information according to first control information. The user can also send out second control confidence through the pressing structure, and the display device can directly display corresponding information according to the second control information. Further, the rotating outer ring 21 and the pressing structure can be used in cooperation to meet the control requirements of the user, for example, the rotating outer ring 21 is rotated first to send out first control information, the display screen 22 carries out corresponding display, the user sends out second control information through the pressing structure to control, and the display screen 22 carries out corresponding display again.
The utility model discloses knob display controller 20 is because having rotatory outer ring 21, key control portion, being located the display screen 22 of rotatory outer ring 21, the outer lane of knob realizes the rotational position detection control, and inside realization function display provides a novel controlling means, and the rotatory effect of knob and the colored animation effect of display screen 22 combine together, give the new impression of customer's an ear-to-eye. Further, the knob display controller 20 is particularly convenient for use inside a refrigerator. Further, compared with the prior art in the fields of intelligent household appliances, intelligent household appliances and the like, the technical effect of combining control and display is achieved, and the intelligent level is improved.
In some embodiments of the present invention, the display device further includes a circuit control board, which is disposed in the rotating outer ring 21, and the display screen 22, the position detection device and the key control portion are electrically connected to the circuit control board. The knob display controller 20 further includes a connection terminal electrically connected to the circuit control board, and the connection terminal has at least four connection pins to be electrically connected to the main control board of the refrigerator in a UART manner. The four connecting pins can be respectively used for 5-volt power supply, ground, receiving and transmitting. The information on the knob display controller 20 can be sent to the main control board of the refrigerator through the sending end, the main control board participates in control, and the receiving end can receive the information from the main control board, so that the information on the knob display controller 20 is updated.
Further, the display screen 22 is a TFT screen, the circuit control board is provided with a control chip of an ARM M3 core, and the position detection device is a device for detecting a position by using an infrared grating principle. The knob display controller 20 may have an upper diameter of 6 cm, a lower diameter of 5 cm and a height of 5 cm, and the embedded display screen 22 is a 1.25 inch TFT circular screen. Because of the TFT dot matrix screen, the color animation display effect can be realized. The touch keys can realize interaction between a person and the refrigerator.
In some embodiments of the present invention, the knob display controller 20 further includes a bottom case 27, the rotating outer ring 21 is rotatably mounted on the bottom case 27, and the position detecting device is mounted in a space defined by the bottom case 27 and the rotating outer ring 21. The bottom case 27 not only enables protection of components but also facilitates installation of the knob display controller 20. Further, a transparent plate 28 for protection may be provided outside the display screen 22, and the transparent plate 28 is connected to the display device so as not to rotate with the rotating outer ring 21. In some alternative embodiments of the present invention, the knob display controller 20 may further include a transparent top cover, the transparent top cover is connected to the rotating outer ring 21 and can rotate along with the rotating outer ring 21, and the display screen 22 and the key control portion are disposed inside the transparent top cover.
Fig. 3 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention, as shown in fig. 3, an embodiment of the present invention further provides a refrigerator, including a box body 30, a door body and a knob display controller 20 in any of the above embodiments. The tank 30 has a controlled space therein. The knob display controller 20 is used to control the controlled space. Alternatively, the knob display controller 20 may be mounted on the cabinet 30 or on a door, such as the inside of the cabinet 30, the outside of the cabinet 30, the inside of the door, or the outside of the door.
In some embodiments of the present invention, as shown in fig. 4, a separating device is further provided in the box 30, and the knob display controller 20 is installed in the separating device. For example, the box body 30 has a first storage compartment therein, the partition device is disposed in the first storage compartment, and the knob display controller 20 is mounted on the partition device. For example, the first storage compartment may be a refrigerating compartment of a refrigerator, the partitioning device may be a partition 35, etc., the first space 31 and the second space 32 may be provided under the partition 35, and the third space 33 may be provided over the partition 35. The first and second spaces 31 and 32 have drawers, and the first and second spaces 31 and 32 are a refrigerated dry area and a refrigerated wet area, respectively, to store different items, respectively. Furthermore, the partition device is provided with a decorative strip 36, the decorative strip 36 is provided with a mounting hole, and the knob display controller 20 is mounted in the mounting hole through a buckle or a screw. A round hole with the diameter of 5 cm is formed in the middle of the decorative strip 36, and the lower part (such as the bottom shell 27) of the knob display controller 20 passes through the round hole and is fixed on the decorative strip 36 through a buckle or a screw. Further, the box body 30 may further have a second storage compartment 34 therein, the second storage compartment 34 is disposed at a lower side of the first storage compartment, and the second storage compartment 34 may be a freezing compartment. The controlled space may comprise one or more of a first space 31, a second space 32, a third space 33 and a second storage compartment 34.
In some embodiments of the present invention, the rotating outer ring 21 is configured to rotate to at least a normal position, a warm area adjusting position, a special function adjusting position, a purification function position, and a memo information inquiry position. The interfaces displayed on the display screen 22 at different positions are different and are well distinguished. The pressing structure of the key control part includes a second pressing structure 24, a third pressing structure 25, and a first pressing structure 23.
When the outer ring 21 is rotated to the normal position, the display 22 displays the first memo information of the controlled space, and if the first memo information is not available, the first preset information of the controlled space is displayed. The first preset information may be the temperature of the controlled space.
When the rotating outer ring 21 is in the temperature zone adjusting position, the shift position of the controlled space is switched by the second pressing structure 24, and is confirmed by the third pressing structure 25. For the first space 31, the first space 31 can be a dry refrigerating area, and its gears are fresh, iced and precious. For the second space 32, the second space 32 can be a cold-storage wet area, and the gears thereof are fresh keeping, fruits and vegetables.
When the rotary outer ring 21 is at the special function adjusting position, the first pressing structure 23 switches the special function, the second pressing structure 24 switches or adjusts the switch of the corresponding special function, and the third pressing structure 25 confirms the switch. Special functions may include MSA, rapid cooling, thawing, light brightness, etc.
When the rotating outer ring 21 is in the purge function position, the second pressing mechanism 24 switches the purge function and the third pressing mechanism 25 confirms the switch.
When the outer ring 21 is rotated to the position of inquiring the memo information, the second memo information which is reserved through the network and needs to be checked is switched through the second pressing structure 24, and if the second memo information does not exist, the second preset information of the controlled space is displayed. The second memo information may include the first memo information, which is the current, latest memo information, and the second memo information may include the memo information before updating. When the setting is carried out again, the corresponding icon can be in a flashing state.
In some embodiments of the present invention, the controlled space may be a space, such as the knob display controller 20 controlling only the first space 31 or only the second space 32.
In some embodiments of the present invention, the controlled space includes a plurality of subspaces, such as a first space 31 and a second space 32. The pressing structure of the key control portion includes a fourth pressing structure configured to switch the control subspace. That is, a plurality of spaces can be controlled by one knob display controller 20.
For example, when the controlled space includes the first space 31 and the second space 32, the first pressing structure 23 and the fourth pressing structure may be the same pressing structure. When the outer ring 21 is rotated to the special function adjusting position, the first pressing structure 23 (i.e., the fourth pressing structure) can switch the first space 31 or the second space 32, and then the third pressing structure 25 can confirm the switching, and then the first pressing structure 23 (i.e., the fourth pressing structure) can switch the special function, and the second pressing structure 24 can switch or adjust the switch of the corresponding special function, and the third pressing structure 25 can confirm the switching. In some alternative embodiments, the switching of the first space 31 and the second space 32 may be performed at one of the normal position, the temperature zone adjustment position, the purge function position, and the memo information inquiry position, and the other positions are used to control the switched space. Of course, when the controlled space includes the first space 31 and the second space 32, the first pressing structure 23 and the fourth pressing structure may be two pressing structures to perform control respectively.
In some embodiments of the present invention, the controlled space includes at least two subspaces, the rotating outer ring 21 is rotatable to at least two positions, and the rotating outer ring 21 controls one subspace when rotating to one position. That is, the controlled space may include a plurality of spaces, and each time the rotating outer ring 21 is rotated to one position, one corresponding space may be controlled, and corresponding control may be simultaneously performed on the basis of controlling the corresponding space. For example, when the outer ring 21 is rotated to the purge function position, it can be directed to the first space 31, without selection, and controlled according to the signals of the second pressing structure 24 and the third pressing structure 25; when the rotating outer ring 21 is in the special function adjusting position, it can be directly aimed at the second space 32, without selection, and controlled according to the signals of the second pressing structure 24 and the third pressing structure 25. Also for example, the rotating outer ring 21 controls only the first space 31 in the temperature zone adjusting position, only the second space 32 in the special function adjusting position, and only the third space 33 in the purge function position.
In some embodiments of the present invention, the controlled space includes a plurality of subspaces, and the rotating outer ring 21 can be rotated to a plurality of positions. In at least one position to which the rotating outer ring 21 is turned, at least one subspace is controlled when the rotating outer ring 21 is turned at each position. In at least one of the remaining positions to which the rotary outer ring 21 is rotated, the refrigerator or all of the subspaces are controlled while the rotary outer ring 21 is rotated to each position. That is, the rotating outer ring 21 may control one or two or more corresponding spaces when rotated to some positions, and may be switched by the fourth pressing structure, or may control the one or two or more corresponding spaces synchronously without switching. The rotating outer ring 21 can control the whole refrigerator or all the subspaces and the like when rotating to other positions, for example, when the rotating outer ring 21 is in the purification function position, the rotating outer ring can directly control the whole refrigerator or all the spaces or the first storage compartments (including the first space 31, the second space 32 and the third space 33), does not need to be selected, and is controlled according to signals of the second pressing structure 24 and the third pressing structure 25. In some embodiments, when the rotating outer ring 21 is in the purge function position, it controls only the first space 31 to purge the first space 31 alone. In other embodiments, the rotating outer ring 21, when in the purge function position, is able to control the first space 31, the second space 32 and the third space 33 without switching to purge the first storage compartment. In some embodiments. When the rotating outer ring 21 is in the temperature zone adjusting position, only the first space 31 and the second space 32 are controlled, the first space 31 and the second space 32 are switched by the fourth pressing structure, the gear position of the controlled space is switched by the second pressing structure 24, and the confirmation is performed by the third pressing structure 25.
For another example, the rotating outer ring 21 may control the whole refrigerator when in the special function adjusting position, and it should be noted here that each special function may be directed to a different subspace, that is, the selection of the controlled space is selected by itself for each special function, and the rotating outer ring 21 is directed to the whole refrigerator when in the special function adjusting position. When the rotary outer ring 21 is at the special function adjusting position, the first pressing structure 23 switches the special function, the second pressing structure 24 switches or adjusts the switch of the corresponding special function, and the third pressing structure 25 confirms the switch. Special functions may include MSA, rapid cooling, thawing, light brightness, etc. The utility model discloses knob display controller 20 has wide range of application, and presses the function effect of structure in rotatory outer loop 21 every position department probably different, under the prerequisite of not conflicting, presses the structure and can share, for example first press structure 23 and fourth press the structure and can be a press the structure, in rotatory outer loop 21 certain position department, like warm area adjusting position, first press structure 23 is for switching subspace effect; at a certain position of the rotating outer ring 21, such as a special function adjusting position, no spatial switching is required, and the first pressing structure 23 is to switch a special function.
In some embodiments of the present invention, the pressing structure of the key control portion includes more other pressing structures, such as the fifth pressing structure 26, for expanding the functions of the refrigerator.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (11)
1. A rotary knob display controller for a refrigerator, comprising:
a rotation control unit having a rotating outer ring and a position detection device for detecting a rotational position of the rotating outer ring, and generating first control information based on the position of the rotating outer ring detected by the position detection device;
a display device having a display screen disposed inside the rotating outer ring; and
a key control section having one pressing structure or a plurality of pressing structures sequentially arranged in a circumferential direction of the rotation control section; the key control part is arranged at the edge of the display screen or arranged at the radial outer side of the display screen; each of the pressing structures is configured to generate second control information; the display device is configured to display according to the first control information and/or the second control information.
2. The rotary knob display controller according to claim 1,
the display device further comprises a circuit control board which is arranged in the rotary outer ring, and the display screen, the position detection device and the key control part are electrically connected with the circuit control board.
3. The rotary knob display controller according to claim 2, further comprising:
the connecting terminal is electrically connected with the circuit control board and provided with at least four connecting pins so as to be electrically connected with the main control board of the refrigerator through the UART.
4. The rotary knob display controller according to claim 2,
the display screen is a TFT screen, the circuit control panel is provided with a control chip of an ARM M3 core, the position detection device is a device for detecting positions by utilizing an infrared grating principle, and each pressing structure is a touch key.
5. The rotary knob display controller according to claim 1, further comprising a bottom case, wherein the rotary outer ring is rotatably mounted to the bottom case, and wherein the position detecting means is mounted in a space defined by the bottom case and the rotary outer ring.
6. A refrigerator comprising a cabinet having a controlled space therein, characterized in that the refrigerator further comprises the knob display controller of any one of claims 1 to 5 for controlling the controlled space.
7. The refrigerator of claim 6, further comprising a divider within the cabinet, wherein the knob display controller is mounted to the divider.
8. The refrigerator according to claim 7,
the separating device is provided with a decorative strip, the decorative strip is provided with a mounting hole, and the knob display controller is mounted in the mounting hole through a buckle or a screw.
9. The refrigerator according to claim 6,
the controlled space comprises at least two subspaces;
the pressing structure of the key control part comprises a fourth pressing structure which is configured to switch and control the subspace.
10. The refrigerator according to claim 6,
the controlled space includes at least two subspaces, the rotating outer ring is rotatable to at least two positions, and the rotating outer ring controls one of the subspaces when rotated to one position.
11. The refrigerator according to claim 6,
the controlled space comprises a plurality of subspaces, and the rotating outer ring can rotate to a plurality of positions; and is
In at least one position to which the rotating outer ring is turned, controlling at least one of the subspaces as the rotating outer ring is turned at each position;
in at least one of the remaining positions to which the rotating outer ring is rotated, the rotating outer ring controls the refrigerator or all of the subspaces when rotated to each position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447073.6U CN212378357U (en) | 2020-03-31 | 2020-03-31 | Knob display controller for refrigerator and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020447073.6U CN212378357U (en) | 2020-03-31 | 2020-03-31 | Knob display controller for refrigerator and refrigerator |
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| Publication Number | Publication Date |
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| CN212378357U true CN212378357U (en) | 2021-01-19 |
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| CN202020447073.6U Active CN212378357U (en) | 2020-03-31 | 2020-03-31 | Knob display controller for refrigerator and refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465284A (en) * | 2020-03-31 | 2021-10-01 | 青岛海尔电冰箱有限公司 | Knob display controller for refrigerator and refrigerator |
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2020
- 2020-03-31 CN CN202020447073.6U patent/CN212378357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465284A (en) * | 2020-03-31 | 2021-10-01 | 青岛海尔电冰箱有限公司 | Knob display controller for refrigerator and refrigerator |
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