CN113663955A - Data acquisition unit for Internet of things - Google Patents
Data acquisition unit for Internet of things Download PDFInfo
- Publication number
- CN113663955A CN113663955A CN202111237205.8A CN202111237205A CN113663955A CN 113663955 A CN113663955 A CN 113663955A CN 202111237205 A CN202111237205 A CN 202111237205A CN 113663955 A CN113663955 A CN 113663955A
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- CN
- China
- Prior art keywords
- rod
- arc
- fixedly connected
- rods
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000013480 data collection Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 2
- 230000006855 networking Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- B08B1/143—
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- B08B1/12—
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- B08B1/32—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Abstract
The invention discloses an internet of things data acquisition unit, relating to the technical field of internet of things, comprising a shell, supporting legs and a transparent mirror, the bottom four corners of the shell are provided with supporting legs, the front surface of the shell is provided with a transparent mirror, the shell comprises a brush hair block, an arc rod, a pressure rod, a spring plate, an arc frame, a cleaning rod, a damping mechanism, a bottom rod, a positioning frame, a collector, a limiting frame, a shaking-off mechanism, a turntable and a filter screen, according to the invention, the positioning frame is positioned through the bottom rods, the bottom rods can expand towards the inner wall of the circular arc frame through pressure when the positioning frame is pressed down by the collector through vibration, the tops of the two bottom rods can expand outwards, and the collector can be clamped by the inner wall of the bottom rods, so that the collector is prevented from being damaged by violent vibration when moving.
Description
Technical Field
The invention belongs to the technical field of Internet of things, and particularly relates to an Internet of things data acquisition unit.
Background
Data acquisition, also known as data acquisition, utilizes a device, from system external collection data and input to system internal interface, and data acquisition technique wide application is in each field, and original data collection station gathers a large amount of dusts in the inside after long-time use and attaches to the surface of the observation mirror of collector, leads to the staff to see not clearly when observing, has reduced data collection station's functionality, so we have proposed a thing networking data collection station.
Disclosure of Invention
The invention aims to provide an Internet of things data acquisition unit, which solves the existing problems by cleaning the surface of the acquisition unit.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an Internet of things data acquisition unit, which comprises a shell, supporting legs and transparent mirrors, wherein the supporting legs are arranged at four corners of the bottom of the shell, and the transparent mirrors are arranged on the front surface of the shell;
the shell comprises brush blocks, arc rods, pressure rods, elastic pieces, arc frames, cleaning rods, damping mechanisms, bottom rods, positioning frames, collectors, limiting frames, shaking mechanisms, rotary tables and filter screens, the filter screens are bonded at the left end and the right end of the shell, the limiting frames are fixedly connected at the left end and the right end of the bottom of the shell, the bottom rods are movably connected with the inner walls of the bottoms of the two limiting frames through rotating shafts, the positioning frames are fixedly connected at the tops of the two bottom rods, the damping mechanisms are arranged at the centers of the tops of the two positioning frames, the shaking mechanisms are arranged at the left ends and the right ends of the two positioning frames, the collectors are arranged above the two positioning frames, the number of the arc frames is two, the two arc frames are fixedly connected with the left ends and the right ends of the front of the collectors, the rotary tables are rotatably connected inside the two arc frames through rotating shafts, and the cleaning rods are fixedly connected to the outer surfaces of the two rotary tables, the quantity of arc pole has two, two the center department of arc pole all through changeing back and shell around inner wall swing joint, two the bottom fixedly connected with brush hair piece of arc pole, two the equal fixedly connected with shell fragment of one end that the arc pole is close to each other, two the top center department of arc pole all has the depression bar through pivot swing joint.
Further, damper includes movable rod, push rod, connecting rod and semi-circular frame, the top of locating rack is provided with the movable rod, the equal fixedly connected with connecting rod, two of one end that the movable rod is close to the locating rack the one end that the connecting rod is close to each other all has semi-circular frame, two through pivot swing joint the one end that semi-circular frame is close to each other all is through pivot swing joint, there is the push rod at the top of movable rod through pivot swing joint, and semi-circular frame can move down when the removal is downward through the movable rod, and semi-circular frame just can not contact the carriage release lever through removing and will remove through the springiness with the surface of carriage release lever.
Further, shake off the mechanism and include spring, outstanding disc, recess, carriage release lever and vaulting pole, the inner wall bottom fixed connection of vaulting pole and locating rack, the surface contact has the carriage release lever at the top of vaulting pole, the recess has been seted up at the top of carriage release lever, outstanding disc is connected through the rotation of inner wall around pivot and the top of locating rack, the right side fixedly connected with spring of carriage release lever.
Further, the clearance pole is including pressing ball, kerve, pin, pushing down the mechanism, hanging down the pole and the clearance is cotton, the kerve has been seted up at the inner wall top of clearance pole, the quantity of pin has threely, and is three the pin all with the upper and lower inner wall fixed connection of kerve, it is three the left side of pin all is provided with pushing down the mechanism, and is three the left side of pushing down the mechanism all is provided with presses ball, and is three the bottom of pushing down the mechanism all is provided with hanging down the pole, and is three the bottom of hanging down the pole bonds and has the clearance cotton.
Further, the pushing mechanism comprises a semicircular block, an arc groove, elastic pieces and a pressing rod, the arc groove is formed in the bottom of the bottom groove, the semicircular block is arranged inside the arc groove, the elastic pieces are fixedly connected to the left end and the right end of the bottom of the semicircular block, and the pressing rod is fixedly connected to the center of the bottom of the semicircular block.
Further, the left side of the moving bar is in contact with the outer surface of the semi-circular frame, and the protruding disk is engaged with the inner wall of the groove.
Furthermore, one end of the push rod, which is far away from the movable rod, is rotatably connected with the outer surface of the bottom of the turntable through a bearing, and the outer surface of the top of the movable rod is in contact with the outer surface of the bottom of the collector.
The invention has the following beneficial effects:
according to the invention, the positioning frame is positioned through the bottom rods, the bottom rods can expand towards the inner wall of the circular arc frame through pressure when the collector presses the positioning frame through vibration, the tops of the two bottom rods can expand outwards, and the collector can be clamped by the inner walls of the bottom rods, so that the collector is prevented from being damaged by violent vibration when moving.
According to the invention, the collector can drive the push rod to move when extruding the movable rod, the push rod can rotate by moving the pull-down turntable, the turntable can drive the cleaning rod to rotate at the front observation position of the collector for cleaning by rotating, and workers can observe the collector timely and clearly.
The protruding turntable is meshed with the groove to rotate through the movement of the moving rod, and the protruding turntable can stir the surface of the collector when rotating, so that the surface of the collector can vibrate, and dust cleaned by the brush hair blocks is prevented from being accumulated on the surface of the collector.
According to the invention, when the cleaning rod rotates, the pressing ball can be in contact with the surface of the stop rod through throwing force, the pressing ball can extrude the top of the semicircular block through the limit of the stop rod, the semicircular block can extrude cleaning cotton through the vertical rod, and the cleaning effect of the cleaning rod is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional structural view of the housing of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 according to the present invention;
FIG. 5 is a schematic top cross-sectional view of a cleaning rod according to the present invention;
FIG. 6 is an enlarged view of the portion C of FIG. 5 according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the cleaning device comprises a shell 1, a bristle block 10, an arc rod 11, a pressure rod 12, an elastic sheet 13, an arc frame 14, a cleaning rod 15, a pressure ball 151, a bottom groove 152, a stop lever 153, a pressing mechanism 154, a semi-circle block c1, an arc groove c2, an elastic sheet c3, a pressure rod c4, a hanging rod 155, cleaning cotton 156, a damping mechanism 16, a movable rod 161, a push rod 162, a connecting rod 163, a semi-circle frame 164, a bottom rod 17, a positioning frame 18, a collector 19, a limiting frame 20, a shaking mechanism 21, a spring 210, a protruding disk 211, a groove 212, a movable rod 213, a support rod 214, a rotary disk 22, a filter screen 23, a support leg 2 and a transparent mirror 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-6, the invention relates to an internet of things data acquisition device, which comprises a shell 1, supporting legs 2 and a transparent mirror 3, wherein the supporting legs 2 are arranged at four corners of the bottom of the shell 1, and the transparent mirror 3 is arranged on the front surface of the shell 1;
the shell 1 comprises a brush block 10, an arc rod 11, a pressure rod 12, an elastic sheet 13, an arc frame 14, a cleaning rod 15, a damping mechanism 16, bottom rods 17, positioning frames 18, collectors 19, limiting frames 20, shaking-off mechanisms 21, a rotary table 22 and filter screens 23, the filter screens 23 are bonded at the left and right ends of the shell 1, the limiting frames 20 are fixedly connected at the left and right ends of the bottom of the shell 1, the inner walls of the bottoms of the two limiting frames 20 are movably connected with the bottom rods 17 through rotating shafts, the tops of the two bottom rods 17 are fixedly connected with the positioning frames 18, the damping mechanism 16 is arranged at the centers of the tops of the two positioning frames 18, the shaking-off mechanisms 21 are arranged at the left and right ends of the two positioning frames 18, the collectors 19 are arranged above the two positioning frames 18, the number of the arc frames 14 is two, the two arc frames 14 are fixedly connected with the left and right ends of the front of the collectors 19, the insides of the two arc frames 14 are rotatably connected with the rotary table 22 through rotating shafts, the outer surfaces of the two rotary tables 22 are fixedly connected with cleaning rods 15, the number of the arc rods 11 is two, the centers of the two arc rods 11 are movably connected with the front inner wall and the rear inner wall of the shell 1 after being rotated, the bottoms of the two arc rods 11 are fixedly connected with brush blocks 10, the ends, close to each other, of the two arc rods 11 are fixedly connected with elastic pieces 13, and the centers of the tops of the two arc rods 11 are movably connected with pressure rods 12 through rotating shafts.
The damping mechanism 16 comprises a movable rod 161, a push rod 162, a connecting rod 163 and a semicircular frame 164, the movable rod 161 is arranged above the positioning frame 18, one end of the movable rod 161 close to the positioning frame 18 is fixedly connected with the connecting rod 163, one end of the two connecting rods 163 close to each other is movably connected with the semicircular frame 164 through a rotating shaft, one end of the two semicircular frames 164 close to each other is movably connected through the rotating shaft, and the top of the movable rod 161 is movably connected with the push rod 162 through the rotating shaft.
The shaking-off mechanism 21 comprises a spring 210, a protruding disc 211, a groove 212, a moving rod 213 and a support rod 214, wherein the support rod 214 is fixedly connected with the bottom of the inner wall of the positioning frame 18, the moving rod 213 is contacted with the outer surface of the top of the support rod 214, the groove 212 is formed in the top of the moving rod 213, the protruding disc 211 is rotatably connected with the front inner wall and the rear inner wall of the top of the positioning frame 18 through a rotating shaft, and the spring 210 is fixedly connected to the right side of the moving rod 213.
The cleaning rod 15 comprises a pressing ball 151, a bottom groove 152, stop levers 153, a pressing mechanism 154, a hanging rod 155 and cleaning cotton 156, the bottom groove 152 is formed in the top of the inner wall of the cleaning rod 15, the three stop levers 153 are arranged, the three stop levers 153 are fixedly connected with the upper inner wall and the lower inner wall of the bottom groove 152, the pressing mechanism 154 is arranged on the left sides of the three stop levers 153, the pressing ball 151 is arranged on the left sides of the three pressing mechanisms 154, the hanging rod 155 is arranged at the bottom of each of the three pressing mechanisms 154, and the cleaning cotton 156 is bonded to the bottom of each of the three hanging rods 155.
The pressing mechanism 154 comprises a semicircular block c1, an arc groove c2, an elastic piece c3 and a pressing rod c4, the bottom of the bottom groove 152 is provided with the arc groove c2, the semicircular block c1 is arranged inside the arc groove c2, the left end and the right end of the bottom of the semicircular block c1 are fixedly connected with the elastic piece c3, and the center of the bottom of the semicircular block c1 is fixedly connected with the pressing rod c 4.
The left side of the moving bar 213 is in contact with the outer surface of the semicircular shelf 164 and the protruding disk 211 is engaged with the inner wall of the groove 212.
The end of push rod 162 remote from movable rod 161 is rotatably coupled to the bottom outer surface of turntable 22 via a bearing, and the top outer surface of movable rod 161 is in contact with the bottom outer surface of harvester 19.
One specific application of this embodiment is: before collector 19 is used, pressing rod 12 is pressed to enable pressing rod 12 to extrude arc rod 11, arc rod 11 is extruded to drive brush block 10 to expand outwards from the bottom, brush block 10 can clean the outer surface of the top of collector 19 through extrusion, pressing rod 12 can extrude the surface of movable rod 161 when being stressed downwards, movable rod 161 can pull push rod 162 to move when moving downwards, the top of push rod 162 can pull rotary disc 22 to rotate through movement, cleaning rod 15 can drive cleaning cotton 156 to rotate on the surface of collector 19 through rotary disc 22, pressing ball 151 can contact with the outer surface of blocking rod 153 through throwing force to enable pressing ball 151 to extrude the surface of semi-circle block c1, cleaning rod 15 can be tightly attached to the surface of collector 19, and semi-circle frame 164 can move downwards and movable rod 213 can extrude the outer surface of connecting rod through the elastic force of spring when movable rod 161 moves downwards The protrusion disk 211 is rotated by engagement with the groove 212 by moving.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a thing networking data collection station, includes shell (1), landing leg (2) and transparent mirror (3), its characterized in that: four corners of the bottom of the shell (1) are provided with supporting legs (2), and the front surface of the shell (1) is provided with a transparent mirror (3);
the shell (1) comprises brush hair blocks (10), arc rods (11), pressure rods (12), elastic sheets (13), arc frames (14), cleaning rods (15), damping mechanisms (16), bottom rods (17), positioning frames (18), collectors (19), limiting frames (20), shaking mechanisms (21), a rotary table (22) and filter screens (23), the filter screens (23) are bonded at the left end and the right end of the shell (1), the limiting frames (20) are fixedly connected at the left end and the right end of the bottom of the shell (1), the bottom rods (17) are movably connected with the inner walls of the bottoms of the two limiting frames (20) through rotating shafts, the positioning frames (18) are fixedly connected at the tops of the two bottom rods (17), the damping mechanisms (16) are arranged at the centers of the tops of the two positioning frames (18), the shaking mechanisms (21) are arranged at the left end and the right end of the two positioning frames (18), collectors (19) are arranged above the two positioning frames (18), the number of the arc frames (14) is two, the two arc frames (14) are fixedly connected with the left end and the right end of the front surface of the collector (19), turntables (22) are rotatably connected inside the two arc frames (14) through rotating shafts, cleaning rods (15) are fixedly connected on the outer surfaces of the two turntables (22), the quantity of arc pole (11) has two, two the center department of arc pole (11) all through changeing back and shell (1) front and back inner wall swing joint, two the bottom fixedly connected with brush hair piece (10) of arc pole (11), two the equal fixedly connected with shell fragment (13) of one end that arc pole (11) are close to each other, two the top center department of arc pole (11) all has depression bar (12) through pivot swing joint.
2. The internet of things data collector of claim 1, characterized in that, damper (16) includes movable rod (161), push rod (162), connecting rod (163) and semicircle frame (164), the top of locating rack (18) is provided with movable rod (161), the equal fixedly connected with connecting rod (163), two of one end that movable rod (161) is close to locating rack (18) the one end that connecting rod (163) are close to each other all has semicircle frame (164) through pivot swing joint, two the one end that semicircle frame (164) are close to each other all has push rod (162) through pivot swing joint, the top of movable rod (161) has push rod (162) through pivot swing joint.
3. The internet of things data collector of claim 1, wherein the shaking-off mechanism (21) comprises a spring (210), a protruding disc (211), a groove (212), a moving rod (213) and a support rod (214), the support rod (214) is fixedly connected with the bottom of the inner wall of the positioning frame (18), the moving rod (213) is in contact with the outer surface of the top of the support rod (214), the groove (212) is formed in the top of the moving rod (213), the protruding disc (211) is rotatably connected with the front inner wall and the rear inner wall of the top of the positioning frame (18) through a rotating shaft, and the spring (210) is fixedly connected to the right side of the moving rod (213).
4. The Internet of things data collector of claim 1, wherein the cleaning rod (15) comprises a pressing ball (151), a bottom groove (152), three blocking rods (153), a pressing mechanism (154), a vertical rod (155) and cleaning cotton (156), the bottom groove (152) is formed in the top of the inner wall of the cleaning rod (15), the number of the blocking rods (153) is three, the blocking rods (153) are fixedly connected with the upper inner wall and the lower inner wall of the bottom groove (152), the left side of each blocking rod (153) is provided with the pressing mechanism (154), the left side of each pressing mechanism (154) is provided with the pressing ball (151), the bottom of each pressing mechanism (154) is provided with the vertical rod (155), and the bottoms of the vertical rods (155) are provided with the cleaning cotton (156) in a bonding mode.
5. The Internet of things data collector of claim 4, wherein the downward pressing mechanism (154) comprises a semicircular block (c 1), an arc groove (c 2), elastic pieces (c 3) and a downward pressing rod (c 4), the arc groove (c 2) is formed in the bottom of the bottom groove (152), the semicircular block (c 1) is arranged inside the arc groove (c 2), the elastic pieces (c 3) are fixedly connected to the left end and the right end of the bottom of the semicircular block (c 1), and the downward pressing rod (c 4) is fixedly connected to the center of the bottom of the semicircular block (c 1).
6. The data collector of the internet of things of claim 3, wherein the left side of the moving rod (213) is in contact with the outer surface of the semicircular frame (164), and the protruding disk (211) is engaged with the inner wall of the groove (212).
7. The data collector of the internet of things of claim 2, wherein one end of the push rod (162) far away from the movable rod (161) is rotatably connected with the outer surface of the bottom of the turntable (22) through a bearing, and the outer surface of the top of the movable rod (161) is in contact with the outer surface of the bottom of the collector (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237205.8A CN113663955B (en) | 2021-10-25 | 2021-10-25 | Data acquisition unit for Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237205.8A CN113663955B (en) | 2021-10-25 | 2021-10-25 | Data acquisition unit for Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113663955A true CN113663955A (en) | 2021-11-19 |
| CN113663955B CN113663955B (en) | 2021-12-21 |
Family
ID=78550980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111237205.8A Active CN113663955B (en) | 2021-10-25 | 2021-10-25 | Data acquisition unit for Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113663955B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012840A (en) * | 1999-06-29 | 2001-01-19 | Hoshizaki Electric Co Ltd | Filter attaching structure for control box |
| CN110427080A (en) * | 2019-08-14 | 2019-11-08 | 贺菲 | A kind of computer cabinet |
| CN212544210U (en) * | 2020-07-22 | 2021-02-12 | 广州市友讯通信设备有限公司 | Outdoor high-stability photovoltaic power station protocol converter |
| CN212970380U (en) * | 2020-09-05 | 2021-04-13 | 方木兰 | Novel protective sleeve for 5G mobile network communication equipment |
| CN112963672A (en) * | 2021-01-29 | 2021-06-15 | 江苏威拉里新材料科技有限公司 | 3D prints and uses support |
-
2021
- 2021-10-25 CN CN202111237205.8A patent/CN113663955B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012840A (en) * | 1999-06-29 | 2001-01-19 | Hoshizaki Electric Co Ltd | Filter attaching structure for control box |
| CN110427080A (en) * | 2019-08-14 | 2019-11-08 | 贺菲 | A kind of computer cabinet |
| CN212544210U (en) * | 2020-07-22 | 2021-02-12 | 广州市友讯通信设备有限公司 | Outdoor high-stability photovoltaic power station protocol converter |
| CN212970380U (en) * | 2020-09-05 | 2021-04-13 | 方木兰 | Novel protective sleeve for 5G mobile network communication equipment |
| CN112963672A (en) * | 2021-01-29 | 2021-06-15 | 江苏威拉里新材料科技有限公司 | 3D prints and uses support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113663955B (en) | 2021-12-21 |
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