CN112944788B - Control method of drawer assembly and refrigerator with same - Google Patents
Control method of drawer assembly and refrigerator with same Download PDFInfo
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- CN112944788B CN112944788B CN202110354156.XA CN202110354156A CN112944788B CN 112944788 B CN112944788 B CN 112944788B CN 202110354156 A CN202110354156 A CN 202110354156A CN 112944788 B CN112944788 B CN 112944788B
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- electromagnet
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- drawer assembly
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a control method of a drawer assembly and a refrigerator with the same, wherein the control method comprises the following steps: the control unit receives a user instruction, analyzes the user instruction to determine the electromagnet selected by the user from the at least two electromagnets, and the electromagnet is a designated electromagnet; starting the position detection unit, detecting the distance between the separation strip and the designated electromagnet in real time and sending the detected real-time distance to the control unit; the control unit controls the specified electromagnet to be powered on and/or powered off, and if the real-time distance is continuously zero, the operation is finished; otherwise, the control unit controls the specified electromagnet to be electrified and controls the strength of the magnetic field generated by the specified electromagnet according to the real-time distance so that the separation strip is smoothly stopped at the specified electromagnet, the real-time distance is continuously zero, the control unit controls the specified electromagnet to be powered off, the position detection unit is closed, and the operation is finished.
Description
Technical Field
The invention relates to the technical field of drawers, in particular to a control method of a drawer assembly for dividing a storage space in a drawer and a refrigerator with the same.
Background
The existing drawer is provided with the partition plates which are arranged in the storage space of the drawer so as to divide different areas, and the requirement of a user on the partition of the storage space is met. However, when storing articles, the size of each area needs to be adjusted according to the size of the space required by each article, and at this time, the user needs to manually adjust the position of the partition plate to adjust the size of the area, which is inconvenient to operate, time-consuming and labor-consuming.
In view of the above, it is desirable to provide a method for controlling a drawer assembly and a refrigerator having the same to solve the above problems.
Disclosure of Invention
The invention aims to provide a control method of a drawer assembly and a refrigerator with the same.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method of a drawer assembly comprises the steps that the drawer assembly comprises a drawer and partition strips which are located in the drawer and used for partitioning a storage space of the drawer, at least part of structures of the partition strips are made of magnetic materials, the drawer assembly further comprises an electromagnetic control assembly arranged on the drawer, the electromagnetic control assembly comprises at least two electromagnets, a control unit and a position detection unit, the electromagnets are distributed on the drawer at intervals along the moving direction of the partition strips, the position detection unit is electrically connected with the control unit and used for sensing the positions, away from the partition strips, of the magnets in real time, and the control unit controls the on-off of the electromagnets and the strength of a magnetic field generated by the electromagnets; the control method comprises the following steps:
the control unit receives a user instruction, analyzes the user instruction to determine the electromagnet selected by the user from the at least two electromagnets, and the electromagnet is a designated electromagnet;
starting the position detection unit, detecting the distance between the separation strip and the designated electromagnet in real time and sending the detected real-time distance to the control unit;
the control unit controls the specified electromagnet to be powered on and/or powered off, and if the real-time distance is continuously zero, the operation is finished; otherwise, the control unit controls the specified electromagnet to be electrified and controls the strength of a magnetic field generated by the specified electromagnet according to the real-time distance so that the dividing strip can be smoothly stopped at the specified electromagnet, the real-time distance is continuously zero, the control unit controls the specified electromagnet to be powered off, the position detection unit is closed, and the operation is finished.
Further, the control method of the drawer assembly further comprises the following steps: the smaller the distance between the separation strip and the designated position is, the weaker the magnetic field generated by the designated electromagnet is.
Further, the drawer includes a bottom wall and a pair of first side walls arranged oppositely, the separation strip is perpendicular to the first side walls and moves along the first side walls, at least two electromagnets distributed at intervals along the moving direction of the separation strip are arranged on each pair of first side walls, and the control method of the drawer assembly further includes: the control unit controls the electromagnets on the two first side walls to enable two ends of the separation strip to be stressed.
Further, the electromagnets on the pair of first side walls are symmetrically distributed, and the control method of the drawer assembly further comprises the following steps: the control unit controls the electromagnets symmetrically arranged on the pair of first side walls so that the two ends of the main partition strip can be stressed to balance and stabilize the movement and/or stop.
Furthermore, a pair of the first side walls are provided with a first guide structure, two ends of the dividing strip are provided with a second guide structure which is slidably mounted with the first guide structure, at least two electromagnets on each first side wall are arranged at intervals along the extending direction of the first guide structure, and at least part of the second guide structure is made of magnetic materials.
Further, first guide structure is including offering in guiding groove on the first side wall, being located the guiding groove outside and with the fixed guide rail in first side wall, the guide rail with guiding groove parallel arrangement just the guide rail is located the below of guiding groove, the electro-magnet is located in the guide rail, second guide structure include slidable mounting in slider on the guide rail, with the connecting rod that the slider links to each other, the slider is made by magnetic material, and the installation is accomplished the back, the connecting rod in it slides in the guiding groove.
Furthermore, the drawer further comprises a door body, and the control unit comprises an operation screen and a control circuit, wherein the operation screen is installed at the upper end of the door body and used for receiving a user instruction, and the control circuit is electrically connected with the operation screen and the electromagnet.
Further, the control method of the drawer assembly further comprises the following steps: and adjusting the separating strips by external force assistance.
Further, the drawer assembly further comprises a first dividing strip group, the first dividing strip group comprises at least one first dividing strip perpendicular to the dividing strips, the first dividing strip is perpendicular to the dividing strips, and the first dividing strip is arranged on the main dividing strip in a sliding mode; the electromagnetic control assembly further comprises at least two electromagnets which are arranged at intervals along the moving direction of the first separation strip, and the control method of the drawer assembly further comprises the following steps: the control unit controls the on-off of at least two electromagnets which are arranged at intervals along the moving direction of the first division bar or the strength of a generated magnetic field so as to enable the first division bar to move.
A refrigerator has the control method of the drawer assembly.
The invention has the beneficial effects that: the drawer assembly controls the movement and/or stop of the separation strips through the magnetic field generated by the electromagnetic control assembly, and adjusts the partition of the drawer, so that the drawer assembly is more intelligent and is simple and convenient to operate.
Drawings
FIG. 1 is a schematic view of the overall construction of the drawer assembly of the present invention;
FIG. 2 is a schematic view of a portion of the drawer assembly of FIG. 1;
FIG. 3 is another schematic view of the drawer assembly of FIG. 1
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic view of the structure of the connector block shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the drawer assembly 100 of the present invention includes a drawer 1, a division bar 2 positioned in the drawer 1 to divide a storage space of the drawer 1, and an electromagnetic control assembly 3.
The drawer 1 comprises a bottom wall 11, a pair of oppositely arranged first side walls 12, and a pair of oppositely arranged second side walls 13. The bottom wall 11, a pair of first side walls 12 arranged oppositely and a pair of second side walls 13 arranged oppositely enclose a storage space. In this embodiment, the drawer 1 further includes a door 15, and the door 15 is mounted outside the second side wall 13.
At least one first side wall 12 is provided with a first guiding structure 14, the dividing strip 2 is arranged in the storage space of the drawer 1 perpendicular to the first side wall 12, and the dividing strip 2 is installed in the storage space through the first guiding structure 14 and slides along the extending direction parallel to the first side wall 12. At least part of the structure of the separation strip 2 is made of magnetic material, so that the separation strip 2 is controlled by the magnetic field generated by the electromagnetic control assembly 3 to move and/or stop.
The division bar 2 comprises a division bar body, a second guide structure 23 slidably mounted with the first guide structure 14. The dividing strip body is connected to one end of the second guide structure 23 along the extending direction of the first guide structure 14, and when the division is not needed, the dividing strip 2 can slide to one end of the drawer, and the dividing strip 2 is close to the second side wall 13, so that the storage space is not occupied.
Preferably, the dividing strip body is connected to one end of the second guiding structure 23, which faces away from the door body 15.
The separating strip body comprises two first cross rods 21 which are separately arranged and are parallel to the bottom wall 11, two first vertical rods 22 which are connected with the corresponding end parts of the first cross rods 21, and the first vertical rods 22 are connected with the second guide structures 23. The division strip is simple in structure and lighter in weight.
In this embodiment, two first side walls 12 are provided with first guide structures 14, two first vertical bars 22 of the separator 2 are provided with second guide structures 23 corresponding to the first guide structures 14, and two ends of the separator 2 are connected to the first side walls 12 in a sliding manner through the second guide structures 23 and the first guide structures 14, so that the stability of the separator 2 is enhanced. Said second guide structure 23 is made at least partially of magnetic material, said second guide structure 23 moving and/or stopping along said first guide structure 14 according to the magnetic field generated by said electromagnetic control assembly 3.
The first guiding structure 14 includes a guiding groove 141 provided on the first side wall 12, and a guiding rail 142 located outside the guiding groove 141 and fixed to the first side wall 12, the second guiding structure 23 includes a sliding block 231 slidably mounted on the guiding rail 142, and a connecting rod 232 connecting the sliding block 231 and the first vertical rod 22, a gap 24 is provided between the sliding block 231 and the dividing strip body, that is, the sliding block 231 and the dividing strip body are arranged at a distance, so that the guiding groove 142 and the sliding block 231 can be arranged outside the first side wall 12, and only the dividing strip body is arranged in the storage space, without occupying the storage space.
After the installation, the connecting rod 232 slides in the guiding groove 141. The sliding block 231 is made of a magnetic material, and according to the magnetic field generated by the electromagnetic control assembly, the sliding block 231 slides along the guide rail 142 to drive the dividing strip 2 to slide and/or stop in the storage space to adjust the division of the drawer. The slider 231 may be made of metal or permanent magnet.
Please refer to fig. 3 and 4, the connecting rod 232 is L-shaped, and the sliding block 231 is located below the connecting rod 232.
Specifically, the connecting rod 232 includes a first connecting rod 2321 connected to the separator body and perpendicular to the guide rail 142, and a second connecting rod 2322 connected to an end of the first connecting rod 2321 away from the separator body and extending along the extending direction of the guide rail 142, and the slider 231 is located below the first connecting rod 2321 and the second connecting rod 2322.
The length of the first link 2321 is greater than the dimension of the slider 231 along the extending direction of the first link 2321, and a gap 24 is formed between the slider 231 and the dividing bar body.
In one embodiment, the first connecting rod 2321 is connected to the first vertical rod 22.
The electromagnetic control assembly 3 comprises at least two electromagnets 31 distributed on the drawer 1 at intervals along the direction perpendicular to the dividing strip 2 and a control unit, and the control unit controls the on-off of each electromagnet 31 and the strength of a magnetic field generated by each electromagnet 31. The electromagnetic control assembly further comprises a position detection unit which is electrically connected with the control unit and senses the position of the separating strip away from each magnet in real time.
Specifically, the at least two electromagnets 31 are mounted on the guide rail 142, and after the mounting is completed, the slider 231 passes through the electromagnets 31 and slides on the guide rail 142 without obstacle. Preferably, a projection of the electromagnet 31 along the extending direction of the guide rail 142 is within a projection of the guide rail 142 along the extending direction thereof, that is, the electromagnet 31 is disposed within the guide rail 142. In this embodiment, at least two electromagnets 31 are disposed on the two guide rails 142, and the electromagnets 31 on the two guide rails are symmetrically distributed, so that the two ends of the dividing strip 2 are stressed to balance and stabilize the movement and/or stop. However, the present invention is not limited thereto, and at least two electromagnets 31 may be provided only on one guide rail 142 to save cost.
The control unit comprises an operation screen 32 installed at the upper end of the door body, and a control circuit electrically connected with the operation screen 32 and the electromagnet 31, and a user controls the on-off or magnetic field strength of the electromagnet 31 through the operation screen 32, so that the operation is simple and convenient.
The electromagnetic control assembly 3 further comprises a position detection unit electrically connected with the control circuit and sensing the position of the slider 231 away from each electromagnet 31.
The control method of the drawer assembly 100 of the present invention includes:
the control unit receives a user instruction, analyzes the user instruction to determine the electromagnet selected by the user from the at least two electromagnets 31, wherein the electromagnet is a designated electromagnet;
the control unit controls the power on and/or off of the designated electromagnet so as to enable the division bar 2 to move and stop at the designated electromagnet.
The control method further comprises the following steps of after confirming the designated electromagnet:
starting the position detection unit, detecting the distance between the separation strip 2 and the designated electromagnet in real time and sending the detected real-time distance to the control unit, and ending if the real-time distance is continuously zero; otherwise, the control unit controls the specified electromagnet to be electrified until the real-time distance is continuously zero, the control unit controls the specified electromagnet to be powered off, the position detection unit is closed, and the operation is finished.
Preferably, the control unit controls the magnetic field of the designated electromagnet according to the real-time distance, and the smaller the distance from the division bar 2 to the designated position is, the weaker the magnetic field generated by the designated electromagnet is, so that the division bar 2 is gently stopped at the designated electromagnet. The control method of the drawer assembly 100 of the present invention is not limited thereto.
In the present embodiment, the division bar 2 is moved and/or stopped by magnetic field control to adjust the drawer division, but the present invention is not limited thereto, and the user may manually provide assistance adjustment during the division adjustment.
The drawer assembly 100 further includes a first dividing strip group, the first dividing strip group includes at least one first dividing strip 41 perpendicular to the dividing strip, the first dividing strip 41 is perpendicular to the dividing strip 2, and the first dividing strip 41 is slidably disposed on the dividing strip 2. The first separator strip groups can be controlled by hand to move on the separator strips; at least a part of the structure of at least one first separation strip 41 may be made of a magnetic material, the electromagnetic control assembly further includes at least two electromagnets 31 arranged at intervals along a direction perpendicular to the first separation strip 41, and the control unit controls on/off of each electromagnet 31 or strength of a magnetic field generated by each electromagnet to move the first separation strip 41.
In this embodiment, the first set of division bars are all controlled by hand to move on the division bars, the first division bar 41 includes two second cross bars 411 that are separately disposed and are all parallel to the bottom wall 11, and two second vertical bars 412 that are connected to the corresponding ends of the second cross bars 411, and the distance between the two second cross bars 411 is greater than the distance between the two first cross bars 21.
The first separating strip group further comprises a connecting block 42 for connecting the first separating strip 41 and the separating strip 2, a first connecting hole 421 and a second connecting hole 422 which are vertically arranged and are not communicated with each other are arranged on the connecting block 42, the first connecting hole 421 is used for allowing the first cross rod 21 to pass through, the second connecting hole 422 is used for allowing the second cross rod 411 to pass through, and the second cross rod 411 and the first cross rod 21 are vertically arranged through the connecting block 42 and are connected in a sliding mode.
The drawer assembly further comprises a second separator bar group, and the second separator bar group is provided with at least one second separator bar parallel to the separator bar 2. The second separator bar sets may each be manually controlled; at least part of the structure of at least one second separator strip may also be made of a magnetic material, the movement being controlled by a magnetic field.
The invention also discloses a refrigerator which comprises the drawer assembly 100, and the movement and/or stop of the separation strip 2 is realized through the on-off of at least two electromagnets 31 and the strength of the generated magnetic field, so that the refrigerator is more intelligent. In summary, the drawer assembly 100 of the present invention controls the movement and/or stop of the dividing strip 2 through the magnetic field generated by the electromagnetic control assembly, so as to adjust the division of the drawer, which is more intelligent and simple and convenient to operate.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. A method of controlling a drawer assembly, comprising: the drawer assembly comprises a drawer, partition strips which are positioned in the drawer and are used for partitioning the storage space of the drawer, at least part of the structure of each partition strip is made of a magnetic material, the drawer assembly further comprises an electromagnetic control assembly arranged on the drawer, the electromagnetic control assembly comprises at least two electromagnets, a control unit and a position detection unit, the electromagnets are distributed on the drawer at intervals along the moving direction of the partition strips, the position detection unit is electrically connected with the control unit and is used for sensing the positions of the partition strips, which are far away from the magnets, in real time, and the control unit controls the on-off of the electromagnets and the strength of a magnetic field generated by the electromagnets; the control method comprises the following steps:
the control unit receives a user instruction, analyzes the user instruction to determine the electromagnet selected by the user from the at least two electromagnets, and the electromagnet is a designated electromagnet;
starting the position detection unit, detecting the distance between the separation strip and the designated electromagnet in real time and sending the detected real-time distance to the control unit;
the control unit controls the specified electromagnet to be powered on and/or powered off, and if the real-time distance is continuously zero, the operation is finished; otherwise, the control unit controls the specified electromagnet to be electrified and controls the strength of the magnetic field generated by the specified electromagnet according to the real-time distance so that the separation strip is smoothly stopped at the specified electromagnet, the real-time distance is continuously zero, the control unit controls the specified electromagnet to be powered off, the position detection unit is closed, and the operation is finished.
2. The method of controlling a drawer assembly of claim 1, wherein: the control method of the drawer assembly further comprises the following steps: the smaller the distance between the separation strip and the designated position is, the weaker the magnetic field generated by the designated electromagnet is.
3. The method of controlling a drawer assembly of claim 1, wherein: the drawer comprises a bottom wall and a pair of first side walls which are oppositely arranged, the division bar is perpendicular to the first side walls and moves along the first side walls, at least two electromagnets which are distributed at intervals along the moving direction of the division bar are arranged on each pair of first side walls, and the control method of the drawer assembly further comprises the following steps: the control unit controls the electromagnets on the two first side walls to enable the two ends of the separating strip to be stressed.
4. The control method of a drawer assembly according to claim 3, wherein: the electromagnets on the pair of first side walls are symmetrically distributed, and the control method of the drawer assembly further comprises the following steps: the control unit controls the electromagnets symmetrically arranged on the pair of first side walls so that the two ends of the separation strip can be stressed to balance and stabilize the movement and/or stop.
5. The method of controlling a drawer assembly of claim 3, wherein: the pair of first side walls are provided with first guide structures, the two ends of the separation strip are provided with second guide structures which are slidably mounted with the first guide structures, at least two electromagnets on each first side wall are arranged at intervals along the extending direction of the first guide structures, and at least part of the second guide structures are made of magnetic materials.
6. The method of controlling a drawer assembly of claim 5, wherein: first guide structure is including offering in guiding groove on the first side wall, being located the guiding groove outside and with the fixed guide rail of first side wall, the guide rail with guiding groove parallel arrangement just the guide rail is located the below of guiding groove, the electro-magnet is located in the guide rail, second guide structure including slidable mounting in slider on the guide rail, with the connecting rod that the slider links to each other, the slider is made by magnetic material, and the installation is accomplished the back, the connecting rod in slide in the guiding groove.
7. The method of controlling a drawer assembly of claim 1, wherein: the drawer further comprises a door body, and the control unit comprises an operation screen and a control circuit, wherein the operation screen is installed at the upper end of the door body and used for receiving a user instruction, and the control circuit is electrically connected with the operation screen and the electromagnet.
8. The method of controlling a drawer assembly of claim 1, wherein: the control method of the drawer assembly further comprises the following steps: and adjusting the separating strips by external force assistance.
9. The method of controlling a drawer assembly of claim 1, wherein: the drawer assembly further comprises a first dividing strip group, the first dividing strip group comprises at least one first dividing strip perpendicular to the dividing strips, the first dividing strip is perpendicular to the dividing strips, and the first dividing strip is arranged on the dividing strips in a sliding mode; the electromagnetic control assembly further comprises at least two electromagnets which are arranged at intervals along the moving direction of the first separation strip, and the control method of the drawer assembly further comprises the following steps: the control unit controls the on-off of at least two electromagnets which are arranged at intervals along the moving direction of the first division bar or the strength of a generated magnetic field so as to enable the first division bar to move.
10. A refrigerator equipped with a control method of the drawer assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110354156.XA CN112944788B (en) | 2018-04-24 | 2018-04-24 | Control method of drawer assembly and refrigerator with same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372205.0A CN109696028B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly, refrigerator with drawer assembly and control method of drawer assembly |
| CN202110354156.XA CN112944788B (en) | 2018-04-24 | 2018-04-24 | Control method of drawer assembly and refrigerator with same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810372205.0A Division CN109696028B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly, refrigerator with drawer assembly and control method of drawer assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112944788A CN112944788A (en) | 2021-06-11 |
| CN112944788B true CN112944788B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810372205.0A Active CN109696028B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly, refrigerator with drawer assembly and control method of drawer assembly |
| CN202110354153.6A Active CN113007959B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
| CN202110354156.XA Active CN112944788B (en) | 2018-04-24 | 2018-04-24 | Control method of drawer assembly and refrigerator with same |
| CN202110354160.6A Active CN112944789B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
| CN202110354162.5A Active CN112944790B (en) | 2018-04-24 | 2018-04-24 | Partition strip assembly, drawer assembly with same and refrigerator |
| CN202110354159.3A Active CN113007960B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810372205.0A Active CN109696028B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly, refrigerator with drawer assembly and control method of drawer assembly |
| CN202110354153.6A Active CN113007959B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110354160.6A Active CN112944789B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
| CN202110354162.5A Active CN112944790B (en) | 2018-04-24 | 2018-04-24 | Partition strip assembly, drawer assembly with same and refrigerator |
| CN202110354159.3A Active CN113007960B (en) | 2018-04-24 | 2018-04-24 | Drawer assembly and refrigerator with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112665260B (en) * | 2020-12-03 | 2022-12-20 | 青岛海尔电冰箱有限公司 | Refrigerator and supporting control method for outer barrel of drawer in refrigerator |
| CN115704639A (en) * | 2021-08-11 | 2023-02-17 | 青岛海尔电冰箱有限公司 | Magnetic field fresh-keeping device and refrigeration equipment |
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- 2018-04-24 CN CN202110354156.XA patent/CN112944788B/en active Active
- 2018-04-24 CN CN202110354160.6A patent/CN112944789B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112944790B (en) | 2022-09-20 |
| CN112944789B (en) | 2022-09-20 |
| CN112944790A (en) | 2021-06-11 |
| CN113007959B (en) | 2022-09-20 |
| CN109696028B (en) | 2021-05-11 |
| CN113007960B (en) | 2022-09-20 |
| CN109696028A (en) | 2019-04-30 |
| CN112944789A (en) | 2021-06-11 |
| CN113007959A (en) | 2021-06-22 |
| CN112944788A (en) | 2021-06-11 |
| CN113007960A (en) | 2021-06-22 |
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