CN114658977A - Display and driver monitoring system - Google Patents
Display and driver monitoring system Download PDFInfo
- Publication number
- CN114658977A CN114658977A CN202210287451.2A CN202210287451A CN114658977A CN 114658977 A CN114658977 A CN 114658977A CN 202210287451 A CN202210287451 A CN 202210287451A CN 114658977 A CN114658977 A CN 114658977A
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- Prior art keywords
- display
- base
- display main
- groove
- fixedly connected
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- 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.)
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Links
- 238000012544 monitoring process Methods 0.000 title claims description 9
- 230000000670 limiting effect Effects 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000011111 cardboard Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 8
- 241001330002 Bambuseae Species 0.000 abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration 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
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of displays, and particularly discloses a display, which comprises a display body, a display panel and a display screen, wherein the display body comprises a display screen and a display screen; the display device comprises a base, a clamping plate, a telescopic column, a baffle plate, a shell, a spring, a jacking plate, a sliding plate, a display main body and a limiting frame, wherein the limiting frame is fixedly connected to the surface of the base; the beneficial effects are that: the sliding plate that will locate display main part bottom inserts in the screens board and promotes to inside, and the board is being held on the top through the elasticity top of locating the inside spring of casing, realizes the effect to the display main part, and the top of a screw thread section of thick bamboo is in the arc wall that the display main part lateral wall was seted up, and a screw thread section of thick bamboo realizes the spacing effect to the display main part, avoids it to break away from out the screens board because of rocking when using, has effectively avoided the display main part to take place the possibility that drops.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a display and a driver monitoring system.
Background
The driver is a drive hardware for driving some kind of equipment, and the function of the driver is to receive signals from the main control box, process the signals and transfer the signals to the motor and the sensor related to the motor, and feed back the working condition of the motor to the main control box.
In the prior art, a driver monitoring system is transmitted to a display through signals to display data.
However, the existing display for the driver monitoring system is usually placed on a table top, and workers easily collide with the display by mistake, so that the display is damaged by falling, and the using effect of the display is affected.
Disclosure of Invention
The present invention provides a display and a driver monitoring system to solve the problem that the display is easy to be dropped by mistake when it is placed on a desktop, thereby causing damage to the display.
In order to achieve the purpose, the invention provides the following technical scheme: a display, the display comprising; a base; the surface of the base is fixedly connected with a clamping plate, a telescopic column is arranged inside the clamping plate and fixedly connected to the surface of the base, a baffle is fixedly connected to the surface of the top of the telescopic column, a shell is sleeved outside the telescopic column, an elastic protective cover is arranged above the side wall of the shell, the bottom end of the elastic protective cover is arranged at the bottom of the side wall of the telescopic column, the baffle is arranged inside the shell, and a spring is arranged on the surface of the baffle;
the top supporting plate is fixedly connected to the top surface of the shell, a sliding plate is arranged above the top supporting plate, the top end of the sliding plate penetrates through the position-out plate, and the top end of the sliding plate is fixedly connected with the bottom of the display main body; and
a limiting frame; fixed connection is on the surface of base, and spacing frame bottom surface is equipped with the brush hair, and the arc wall has been seted up on spacing frame's lateral wall surface, and spacing frame back has seted up and has accomodate the groove, accomodates the inslot and is equipped with protection cloth, protection cloth's tip fixedly connected with locating lever.
Preferably, the surface of the base is provided with a positioning groove, and the middle part of the positioning groove is provided with a positioning hole.
Preferably, the number of the positioning grooves is four, and the four positioning grooves are respectively arranged at four corners of the base.
Preferably, the screens board is equipped with two sets ofly altogether, and two sets of screens boards are the horizontal symmetry form, and the spacing groove has been seted up on screens inboard wall surface, and the spacing groove of seting up in screens inboard wall is the horizontal symmetry form, and the board is located the spacing inslot to the top.
Preferably, the sliding plate is 'crack' style of calligraphy, and the display main part locates screens board top, and display main part lateral wall surface has seted up arc groove two.
Preferably, the surface of the base is fixedly connected with two positioning bolts, and the two positioning bolts are horizontally symmetrical.
Preferably, the positioning bolt is screwed with a threaded cylinder, internal threads are arranged in the threaded cylinder, and the upper part of the threaded cylinder is arranged in the arc-shaped groove II.
Preferably, the block notch has been seted up on the rear side wall surface of base, and the below of block notch is equipped with the elasticity cardboard, and elasticity cardboard fixed connection is on the surface of base, and the elasticity cardboard is equipped with two altogether, and two elasticity cardboards are the symmetry form, and the elasticity cardboard is the arc, and the locating lever is located in the block notch.
Preferably, spacing frame back fixedly connected with arc buckle, the arc buckle is equipped with the multiunit altogether, and every group arc buckle all establishes in the both sides of accomodating the groove, and multiunit arc buckle is the horizontal symmetry form, and the arc buckle is elasticity.
A driver monitoring system comprises the display.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a display; the sliding plate arranged at the bottom of the display main body is inserted into the clamping plate and pushed inwards, the top holding plate is extruded to move downwards when the sliding plate is inserted into the clamping plate, meanwhile, the top holding plate supports the sliding plate through the elasticity of the spring arranged in the shell, the top holding effect on the display main body is realized, then the threaded cylinder is screwed on the positioning bolt, the upper part of the threaded cylinder is positioned in the arc-shaped groove arranged on the side wall of the display main body, the threaded cylinder realizes the limiting effect on the display main body, the clamping plate is prevented from being separated due to shaking when the display main body is used, the possibility that the display main body falls is effectively avoided, when the display main body needs to be maintained or accessories are replaced, the display main body can be detached from the base by only rotating the threaded cylinder, and the brush bristles arranged at the bottom of the limiting frame effectively clean the surface of the display main body when the display main body is drawn out, make it cleaner, and when the display main part does not use, outside pull locating lever, the locating lever takes out the inside protection cloth of locating spacing frame when outwards taking out, when the protection cloth covers the display main part, advance the locating lever block and set up in the block notch at base rear, make it fixed, the protection cloth effectively protects the display main part, reduce the dust dirt in the air to the absorption on display main part surface, it is cleaner when making it use, when using the display main part, it can to utilize the locating lever to have the protection cloth rolling then the block in the arc buckle, effectively improve its result of use.
Drawings
FIG. 1 is a schematic view of a base structure according to the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a schematic view of a positioning structure according to the present invention;
FIG. 4 is a schematic view of the protective structure of the present invention;
FIG. 5 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 2;
FIG. 7 is a schematic view of the covering structure of the protective cloth of the present invention;
FIG. 8 is a schematic view of a spacing frame structure according to the present invention;
FIG. 9 is a schematic view of a positioning structure of the engaging notch of the present invention.
In the figure: the display screen comprises a clamping plate 1, a jacking plate 2, a base 3, a positioning groove 4, a telescopic column 5, a positioning bolt 6, a threaded cylinder 7, a display main body 8, a sliding plate 9, a limiting groove 10, a shell 11, a spring 12, a baffle 13, an elastic protective cover 14, a clamping notch 15, a positioning rod 16, protective cloth 17, a limiting frame 18, bristles 19, an elastic pad 20, an arc-shaped buckle 21, an elastic clamping plate 22, an arc-shaped groove 23, a positioning hole 24 and an arc-shaped groove 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a display, the display comprising; a base 3; the surface of the base 3 is fixedly connected with clamping plates 1, the clamping plates 1 are provided with two groups, the two groups of clamping plates 1 are horizontal and vertical, the inner wall surface of each clamping plate 1 is provided with a limiting groove 10, the jacking plate 2 is arranged in the limiting groove 10, a telescopic column 5 is arranged in each clamping plate 1, the telescopic column 5 is fixedly connected to the surface of the base 3, the surface of the top of each telescopic column 5 is fixedly connected with a baffle 13, the outer part of each telescopic column 5 is sleeved with a shell 11, the baffle 13 is arranged in the shell 11, and the surface of each baffle 13 is provided with a spring 12;
a top holding plate 2; fixed connection is at 11 top surfaces of casing, and the top of propping board 2 is equipped with sliding plate 9, go out screens board 1 is run through on the top of sliding plate 9, and the top fixed connection of sliding plate 9 is the bottom of display main part 8, sliding plate 9 is the word type of 'the fold', and display main part 8 locates the top of screens board 1, the sliding plate 9 that will locate display main part 8 bottom inserts in screens board 1 and promotes inside, extrusion board 2 moves down when sliding plate 9 inserts screens board 1 inside, and simultaneously, board 2 is propping through the elasticity of locating 11 inside springs 12 of casing and is propping up sliding plate 9 on the top, the realization is to the effect of display main part 8.
Positioning bolt 6 fixed connection is on the surface of base 3, and positioning bolt 6 is equipped with two altogether, two positioning bolt 6 are the horizontal symmetry form, the arc wall has been seted up on the 8 lateral wall surfaces of display main part, the spiro union has screw thread section of thick bamboo 7 on positioning bolt 6, locate in the arc wall screw thread section of thick bamboo 7 top, with screw thread section of thick bamboo 7 spiro union on positioning bolt 6, the top of screw thread section of thick bamboo 7 is in two 25 of arc wall that the 8 lateral walls of display main part were seted up, screw thread section of thick bamboo 7 realizes the spacing effect to display main part 8, avoid it to break away from the screens 1 because of rocking when using, the possibility that display main part 8 takes place to drop has effectively been avoided, and when display main part 8 need maintain or change the accessory, only need to come to dismantle display main part 8 from base 3 with screw thread section of thick bamboo 7 rotation down, effectively improve its result of use.
A spacing frame 18; the display device is fixedly connected to the surface of the base 3, brush bristles 19 are arranged on the surface of the bottom of the limiting frame 18, a containing groove is formed in the back of the limiting frame 18, protective cloth 17 is arranged in the containing groove, positioning rods 16 are fixedly connected to the end portions of the protective cloth 17, clamping notches 15 are formed in the surface of the rear side wall of the base 3, elastic clamping plates 22 are arranged below the clamping notches 15, the elastic clamping plates 22 are fixedly connected to the surface of the base 3, the two elastic clamping plates 22 are symmetrically arranged, the elastic clamping plates 22 are arc-shaped, the positioning rods 16 are arranged in the clamping notches 15, the brush bristles 19 arranged at the bottom of the limiting frame 18 effectively clean the surface of the display main body 8 when the display main body 8 is drawn out, the positioning rods 16 are drawn outwards when the display main body 8 is not used, the protective cloth 17 arranged in the limiting frame 18 is brought out, when the protection cloth 17 covers the display main body 8, the positioning rod 16 is clamped into the clamping groove opening 15 formed in the rear of the base 3 to be fixed, the protection cloth 17 effectively protects the display main body 8, the adsorption of dust and dirt in the air to the surface of the display main body 8 is reduced, the use is cleaner, and the use effect is effectively improved.
A driver monitoring system comprises the display.
The base 3 is placed at the position where the display main body 8 is used, then the display main body is fixed through the positioning grooves 4 arranged at the corners of the base 3, so that the display main body cannot move, then the sliding plate 9 arranged at the bottom of the display main body 8 is inserted into the clamping plate 1 and pushed inwards, the jacking plate 2 is extruded to move downwards when the sliding plate 9 is inserted into the clamping plate 1, meanwhile, the jacking plate 2 jacks the sliding plate 9 through the elasticity of the spring 12 arranged in the shell 11, so that the jacking effect on the display main body 8 is realized, the display main body 8 is pressed by the elastic pad 20 arranged at the bottom of the limiting frame 18, the stability of the display main body is further improved, the threaded cylinder 7 is screwed on the positioning bolt 6, the upper part of the threaded cylinder 7 is positioned in the arc-shaped groove two 25 arranged on the side wall of the display main body 8, the threaded cylinder 7 realizes the limiting effect on the display main body 8, and avoids the separation from the clamping plate 1 due to shaking in use, the possibility that the display main body 8 falls is effectively avoided, when the display main body 8 needs to be maintained or accessories are replaced, the display main body 8 can be detached from the base 3 only by rotating the threaded barrel 7, the brush bristles 19 arranged at the bottom of the limiting frame 18 effectively wipe the surface of the display main body 8 when the display main body 8 is drawn out, so that the display main body 8 is cleaner, when the display main body 8 is not used, the positioning rod 16 is drawn outwards, the positioning rod 16 is taken out when the positioning rod 16 is drawn outwards, the protective cloth 17 arranged inside the limiting frame 18 is taken out, when the protective cloth 17 covers the display main body 8, the positioning rod 16 is clamped into the clamping notch 15 arranged at the rear part of the base 3, so that the display main body is fixed, the protective cloth 17 effectively protects the display main body 8, the adsorption of dust and dirt in the air to the surface of the display main body 8 is reduced, so that the display main body 8 is cleaner in use, when using display main part 8, utilize locating lever 16 with protection cloth 17 rolling up then the block in arc buckle 21 can, effectively improve its result of use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A display, characterized by: the display includes;
a base (3); the surface of the base (3) is fixedly connected with a clamping plate (1), a telescopic column (5) is arranged inside the clamping plate (1), the telescopic column (5) is fixedly connected to the surface of the base (3), a baffle (13) is fixedly connected to the surface of the top of the telescopic column (5), a shell (11) is sleeved outside the telescopic column (5), an elastic protective cover (14) is arranged above the side wall of the shell (11), the bottom end of the elastic protective cover (14) is arranged at the bottom of the side wall of the telescopic column (5), the baffle (13) is arranged inside the shell (11), and a spring (12) is arranged on the surface of the baffle (13);
a top support plate (2); the top end of the sliding plate (9) penetrates through the clamping plate (1), and the top end of the sliding plate (9) is fixedly connected with the bottom of the display main body (8); and
a limit frame (18); the brush hair-cleaning device is fixedly connected to the surface of the base (3), the brush hair (19) is arranged on the surface of the bottom of the limiting frame (18), an arc-shaped groove (23) is formed in the surface of the side wall of the limiting frame (18), the back of the limiting frame (18) is provided with a containing groove, protective cloth (17) is arranged in the containing groove, and the end part of the protective cloth (17) is fixedly connected with a positioning rod (16).
2. A display as claimed in claim 1, characterized in that: the positioning groove (4) is formed in the surface of the base (3), and the positioning hole (24) is formed in the middle of the positioning groove (4).
3. A display according to claim 2, wherein: the positioning grooves (4) are totally four and are respectively arranged at four corners of the base (3).
4. A display as claimed in claim 1, characterized in that: the utility model discloses a structure, including screens board (1), spacing groove (10), limiting groove (10), top board (2) are located in spacing groove (10), the screens board (1) is equipped with two sets ofly altogether, and two sets of screens board (1) are the horizontal symmetry form, and spacing groove (10) seted up on screens board (1) inner wall surface are the horizontal symmetry form, and the top is held board (2) and is located in spacing groove (10).
5. A display as claimed in claim 1, characterized in that: the sliding plate (9) is shaped like a line, the display main body (8) is arranged above the top of the clamping plate (1), and the side wall surface of the display main body (8) is provided with a second arc-shaped groove (25).
6. A display as claimed in claim 1, characterized in that: the surface of the base (3) is fixedly connected with two positioning bolts (6), and the two positioning bolts (6) are arranged, and the two positioning bolts (6) are in a horizontal symmetry shape.
7. A display as claimed in claim 5, characterized in that: the positioning bolt (6) is connected with a thread cylinder (7) in a threaded mode, internal threads are arranged inside the thread cylinder (7), and the upper portion of the thread cylinder (7) is arranged in the arc-shaped groove II (25).
8. A display as claimed in claim 1, characterized in that: block notch (15) have been seted up on the rear side wall surface of base (3), and the below of block notch (15) is equipped with elasticity cardboard (22), and elasticity cardboard (22) fixed connection is on the surface of base (3), and elasticity cardboard (22) are equipped with two altogether, and two elasticity cardboard (22) are the symmetry form, and elasticity cardboard (22) are the arc, and locating lever (16) are located in block notch (15).
9. A display as claimed in claim 1, characterized in that: spacing frame (18) back fixedly connected with arc buckle (21), arc buckle (21) are equipped with the multiunit altogether, and every group arc buckle all establishes in the both sides of accomodating the groove, and multiunit arc buckle (21) are horizontal symmetry form, and arc buckle (21) are elasticity.
10. A drive monitoring system, characterized by: a display comprising a display according to any one of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287451.2A CN114658977B (en) | 2022-03-21 | 2022-03-21 | Display and driver monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287451.2A CN114658977B (en) | 2022-03-21 | 2022-03-21 | Display and driver monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114658977A true CN114658977A (en) | 2022-06-24 |
| CN114658977B CN114658977B (en) | 2023-03-24 |
Family
ID=82032009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210287451.2A Active CN114658977B (en) | 2022-03-21 | 2022-03-21 | Display and driver monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114658977B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209710253U (en) * | 2019-06-25 | 2019-11-29 | 苏州江左盟网络科技有限公司 | A kind of fixed structure suitable for things-internet gateway |
| CN211624673U (en) * | 2020-01-17 | 2020-10-02 | 袁诚希 | Explanation board for computer network engineering technology development |
| CN211928962U (en) * | 2020-05-08 | 2020-11-13 | 南京腾彩光电科技有限公司 | Waterproof, dustproof, prevent indoor LED display screen of striking |
| DE212020000231U1 (en) * | 2020-09-16 | 2020-12-03 | Suzhou Yankexing Intelligent Technology Co., Ltd. | Intelligent cooperative teach-in platform for industrial robots |
| CN214093697U (en) * | 2020-12-15 | 2021-08-31 | 山西惠淘科技有限公司 | Information acquisition equipment for internet education |
| CN215466290U (en) * | 2021-06-28 | 2022-01-11 | 广东灿达股份有限公司 | Portable display with screen cleaning structure |
-
2022
- 2022-03-21 CN CN202210287451.2A patent/CN114658977B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209710253U (en) * | 2019-06-25 | 2019-11-29 | 苏州江左盟网络科技有限公司 | A kind of fixed structure suitable for things-internet gateway |
| CN211624673U (en) * | 2020-01-17 | 2020-10-02 | 袁诚希 | Explanation board for computer network engineering technology development |
| CN211928962U (en) * | 2020-05-08 | 2020-11-13 | 南京腾彩光电科技有限公司 | Waterproof, dustproof, prevent indoor LED display screen of striking |
| DE212020000231U1 (en) * | 2020-09-16 | 2020-12-03 | Suzhou Yankexing Intelligent Technology Co., Ltd. | Intelligent cooperative teach-in platform for industrial robots |
| CN214093697U (en) * | 2020-12-15 | 2021-08-31 | 山西惠淘科技有限公司 | Information acquisition equipment for internet education |
| CN215466290U (en) * | 2021-06-28 | 2022-01-11 | 广东灿达股份有限公司 | Portable display with screen cleaning structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114658977B (en) | 2023-03-24 |
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