CN110005914A - A kind of energy saving and environment friendly solar energy culture medium display equipment that multi-angle is shown - Google Patents
A kind of energy saving and environment friendly solar energy culture medium display equipment that multi-angle is shown Download PDFInfo
- Publication number
- CN110005914A CN110005914A CN201910268835.8A CN201910268835A CN110005914A CN 110005914 A CN110005914 A CN 110005914A CN 201910268835 A CN201910268835 A CN 201910268835A CN 110005914 A CN110005914 A CN 110005914A
- Authority
- CN
- China
- Prior art keywords
- motion bar
- gear
- attachment base
- bar
- culture medium
- 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
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Classifications
-
- 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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
-
- 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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses a kind of energy saving and environment friendly solar energy culture media of multi-angle displaying to show equipment, and in particular to a kind of medium display screen that can be rotated and go up and down realizes multi-faceted multi-direction displaying, expands the face that is reviewed, improves influence power.Including base shaft, motion bar, rotating mechanism, elevating mechanism and photovoltaic panel and display screen；The motion bar for installing photovoltaic panel and display screen is socketed with above the base shaft, the photovoltaic panel and display screen are separately fixed at the back side and the front upper of motion bar, and motion bar is separately connected rotating mechanism and elevating mechanism.
Description
Technical field
The present invention relates to a kind of energy-saving environmental protection device, the energy saving and environment friendly solar energy that specifically a kind of multi-angle is shown is cultural
Medium shows equipment.
Background technique
Medium, exactly propagates the media of various information, carried between disseminator to recipient in information communication process and
Transmit information all forms substance tool, it is most common culture medium kit include various electronic displays, mobile terminal,
Computer or other electronic equipments.
Wherein, influence power is maximum belongs to electric network medium, but is no lack of all kinds of Architectural Media tools, such as outside mansion
The huge curtain being arranged on wall, the electrical screen on traffic main artery, the Focus screen in elevator, but traditional electrical screen or electronic equipment is big
It is mostly the especially outdoor electrical screen by fixed setting, it is limited by the face of reading, it only plays in a single direction, there are scarce
It falls into.
Summary of the invention
The shortcoming in the prior art being previously mentioned in technology based on the above background, it is more that the present invention provides one kind thus
The energy saving and environment friendly solar energy culture medium that angle is shown shows equipment.
The present invention overcomes the above technical problem by using following technical solution, specifically:
A kind of energy saving and environment friendly solar energy culture medium display equipment that multi-angle is shown, including base shaft, motion bar, rotation
Mechanism, elevating mechanism and photovoltaic panel and display screen；The work for installing photovoltaic panel and display screen is socketed with above the base shaft
Lever, the photovoltaic panel and display screen are separately fixed at the back side and the front upper of motion bar, and motion bar is separately connected whirler
Structure and elevating mechanism.
As a further solution of the present invention: the lower end of the base shaft is fixedly connected with the pedestal for installing whole equipment,
Battery, fixed conveyor case above battery are provided with above pedestal, transmission case external flanges install promising rotating mechanism and liter
Descending mechanism provides the driving motor of power, and transmission case and battery are each attached in base shaft, and driving motor conducting wire connects battery
And switch.
As further scheme of the invention: the rotating mechanism includes semicircle bevel gear, fixed link, motion bar and tooth
Wheel group, wherein driving motor output end is rotatablely connected driving shaft, the fixed semicircle bevel gear in driving shaft end, semicircle bevel gear one
Half is with teeth, and it is smooth that the other half is anodontia；The top and the bottom of the semicircle bevel gear are provided with bevel gear, and bevel gear is the same as semicircle bevel gear
Toothed portion engagement, and the bevel gear of top and the bottom is each attached to the lower part of fixed link；The fixed link upper socket has loop bar,
Loop bar top connects motion bar by the first attachment base, and loop bar upper end connects motion bar by gear set, and gear set is by the first tooth
Wheel and second gear are constituted, and first gear is fixed on the upper end of loop bar, and second gear is fixed on motion bar, and first gear with
Second gear engagement.
As further scheme of the invention: the loop bar and the first attachment base side are socketed, and the first attachment base is another
Side is socketed in motion bar lower part, and loop bar is provided in the top and the bottom with the first attachment base socket place prevents the convex of longitudinal sliding motion
Edge, motion bar are also equipped with flange in the top and the bottom with the first attachment base socket place.
As the present invention further scheme: raised line is provided in the fixed link external wall of upper portion, on the inner wall of loop bar
Recessed bar is offered, the raised line on fixed link outer wall is entrenched in the recessed bar of loop bar inner wall.
As further scheme of the invention: the elevating mechanism includes driven shaft, turntable, connecting rod and the second connection
Seat, wherein transmission case lower rotational connects driven shaft, is connected between driven shaft and driving shaft by driving member, driven shaft end
It is fixedly connected with turntable；Turntable side outer rim rotation connection connecting rod lower end, small end the second attachment base of rotation connection, second
Attachment base and motion bar upper socket.
As further scheme of the invention: the top and the bottom of the motion bar and the second attachment base socket place are provided with
The flange for preventing the second attachment base from sliding.
After using the above structure, the present invention compared to the prior art, has following advantages: rotating mechanism is utilized in the present invention
It drives motion bar to go up and down while rotating with elevating mechanism, to realize that the multi-angle of display screen shows function, is not only able to
Realize the displaying of different directions, moreover it is possible to the displaying of different height is realized, in addition, absorbing luminous energy by photovoltaic panel is converted into electric energy storage
There are the work of driving motor non-in battery to provide power source, has the characteristics that energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the energy saving and environment friendly solar energy culture medium that multi-angle is shown shows equipment.
Fig. 2 is the structure that the energy saving and environment friendly solar energy culture medium that multi-angle is shown shows fixed link and loop bar in equipment
Schematic diagram.
Fig. 3 is that the energy saving and environment friendly solar energy culture medium that multi-angle is shown shows that the structure of equipment turntable and connecting rod is shown
It is intended to.
In figure: 1- base shaft；2- motion bar；3- transmission case；4- driving motor；5- semicircle bevel gear；6- bevel gear；7- is fixed
Bar；8- loop bar；9- first gear；The first attachment base of 10-；11- second gear；12- photovoltaic panel；13- display screen；14- driving member；
15- driven shaft；16- turntable；17- connecting rod；The second attachment base of 18-；19- battery；20- pedestal.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the present invention can be realized with many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
In addition, the element in the present invention referred to as " is fixed on " or " being set to " another element, it can be directly another
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of energy saving and environment friendly solar energy culture medium that multi-angle is shown
Show equipment, including base shaft 1, motion bar 2, rotating mechanism, elevating mechanism and photovoltaic panel 12 and display screen 13；The base shaft 1
Top is socketed with the motion bar 2 for installing photovoltaic panel 12 and display screen 13, it should be noted that photovoltaic panel 12 and display screen 13
It is separately fixed at the back side and the front upper of motion bar 2, motion bar 2 is separately connected rotating mechanism and elevating mechanism, utilizes photovoltaic
Plate 12 absorbs luminous energy and is converted into electric energy, using electrical energy drive rotating mechanism and elevating mechanism drive that motion bar 2 is .ed while rotating
Lifting does not need to realize by solar energy aobvious by outside energy to realize that the multi-angle of display screen 13 shows function
The multi-angle of display screen 13 is shown, has the characteristics that energy conservation and environmental protection.
Specifically, the lower end of base shaft 2 is fixedly connected with the pedestal 20 for installing whole equipment, is provided with above pedestal 20
Battery 19,19 top fixed conveyor case 3 of battery, 3 external flanges of transmission case install promising rotating mechanism and elevating mechanism mentions
For the driving motor 4 of power, transmission case 3 and battery 19 are each attached in base shaft 1, and 4 conducting wire of driving motor connects battery 19
And switch, the absorption luminous energy of photovoltaic panel 12 are changed into electric energy and are stored in battery 19, driving motor 4 utilizes the electricity in battery 19
Rotating mechanism and elevating mechanism can be driven to move to realize the rotation of driving display screen 13 and lifting by transmission case 3 respectively.
The rotating mechanism includes semicircle bevel gear 5, fixed link 7, motion bar 8 and gear set, wherein driving motor 4 is defeated
Outlet is rotatablely connected driving shaft, and driving shaft passes through the side wall of transmission case 3 and bearing connects therewith, the fixed half-conical in driving shaft end
Gear 5,5 half of semicircle bevel gear is with teeth, and it is smooth that the other half is anodontia, starts switch so that driving motor 4 is powered on drive master
Moving axis rotation is to drive semicircle bevel gear 5 servo-actuated；The top and the bottom of the semicircle bevel gear 5 are provided with bevel gear 6, bevel gear
6 engage with the toothed portion of semicircle bevel gear 5, and the bevel gear 6 of top and the bottom is each attached to the lower part of fixed link 7, and fixed link 7 is worn
It crosses transmission case 3 and bearing connects therewith, the toothed portion interval on the semicircle bevel gear 5 of rotation drives the bevel gear 6 of top and the bottom
Rotation is to drive the reciprocal positive and negative rotation of fixed link 7；
7 upper socket of fixed link has a loop bar 8, and 8 top of loop bar connects motion bar 2 by the first attachment base 10, more into
One step, loop bar 8 and 10 side of the first attachment base are socketed, and 10 other side of the first attachment base is socketed in 2 lower part of motion bar, loop bar 8
The flange for preventing longitudinal sliding motion is provided in the top and the bottom with 10 socket place of the first attachment base, likewise, motion bar 2 is with
The top and the bottom of 10 socket place of a connecting seat are also equipped with flange, it should be noted that being provided in 7 external wall of upper portion of fixed link
Raised line offers recessed bar on the inner wall of loop bar 8, and the raised line on 7 outer wall of fixed link is entrenched in the recessed bar of 8 inner wall of loop bar, utilizes
Raised line and recessed bar are fitted into so that the fixed link 7 of rotation can drive loop bar 8 to follow rotation；
8 upper end of loop bar connects motion bar 2 by gear set, and gear set is made of first gear 9 and second gear 11,
Wherein, first gear 9 is fixed on the upper end of loop bar 8, and second gear 11 is fixed on motion bar 2, and first gear 9 and the second tooth
The loop bar 8 of 11 engagement of wheel, rotation follows reciprocal positive and negative rotation by gear set drive motion bar 2 to drive display screen 13 toward physical pendulum
Dynamic transformation angle.
Embodiment 2
In order to be further explained to elevating mechanism, a kind of energy-saving ring of the multi-angle of the embodiment of the present invention 2 displaying
Guarantor's type solar energy culture medium shows that the elevating mechanism in equipment specifically includes, and driven shaft 15, turntable 16, connecting rod 17 and second connect
Joint chair 18, wherein 3 lower rotational of transmission case connects driven shaft 15, is connected between driven shaft 15 and driving shaft by driving member 14,
It should be noted that driven shaft 15 passes through base shaft 1 and rotationally connected, and 15 end of driven shaft is fixedly connected with turntable 16, turns
Dynamic driving shaft drives the rotation of driven shaft 15 to drive turntable 16 to rotate by driving member 14；The 16 side outer rim of turntable turns
Dynamic connection 17 lower end of connecting rod, 17 upper end of connecting rod are rotatablely connected the second attachment base 18, and the second attachment base 18 is covered with 2 top of motion bar
It connects, further, the top and the bottom of 18 socket place of motion bar 2 and the second attachment base, which are provided with, prevents the second attachment base 18 from sliding
Flange, the turntable 16 of rotation drives the second attachment base 18 back and forth to move up and down to drive motion bar 2 along base using connecting rod 17
Bar 1 back and forth moves up and down, i.e., the reciprocal of realization display screen 13 moves up and down, 13 reciprocating rotation of mate gear group driving display screen,
Reach the multidirectional regulatory function of angular turn and height.
According to the specific descriptions of above-described embodiment, being apparent from the working principle of the invention is: absorbing luminous energy using photovoltaic panel 12
It is converted into electric energy, drives motion bar 2 to go up and down while rotating using electrical energy drive rotating mechanism and elevating mechanism, to realize
The multi-angle of display screen 13 shows function, does not need by outside energy, can realize the polygonal of display screen 13 by solar energy
Degree shows there is energy conservation and environmental protection, and the absorption luminous energy of photovoltaic panel 12 is changed into electric energy and is stored in battery 19, driving motor
4 drive rotating mechanism and elevating mechanism to move to realize that drive is aobvious respectively using the electric energy in battery 19 by transmission case 3
The rotation of display screen 13 and lifting start switch so that driving motor 4 is powered on and drive driving shaft rotation to drive half-conical tooth
Wheel 5 is servo-actuated, and the toothed portion interval on the semicircle bevel gear 5 of rotation drives the rotation of bevel gear 6 of top and the bottom to drive fixation
The reciprocal positive and negative rotation of bar 7, it is chimeric using raised line and recessed bar so that the fixed link 7 of rotation can drive loop bar 8 to follow rotation, the set of rotation
Bar 8 by gear set drive motion bar 2 follow reciprocal positive and negative rotation to drive 13 reciprocally swinging of display screen convert angle, rotation
Driving shaft drives the rotation of driven shaft 15 to drive turntable 16 to rotate by driving member 14, and the turntable 16 of rotation utilizes 17 band of connecting rod
Dynamic second attachment base 18 back and forth moves up and down that motion bar 2 is driven back and forth to move up and down along base shaft 1, that is, realizes display screen 13
It back and forth moves up and down, 13 reciprocating rotation of mate gear group driving display screen reaches the multidirectional regulatory function of angular turn and height.
It should be noted that driving motor and display screen are the application of the prior art, equipment utilization rotation in the application
Mechanism and elevating mechanism drive motion bar to go up and down while rotating, to realize that the multi-angle of display screen shows function, not only
It can be realized the displaying of different directions, moreover it is possible to the displaying of different height is realized, in addition, absorbing luminous energy by photovoltaic panel is converted into electricity
The work that non-driving motor in battery can be stored in provides power source, has the characteristics that energy conservation and environmental protection for the innovation of the application
Point efficiently solves existing cultural medium equipment fixed setting, by the problem that the face of reading is limited.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This
Invention is not limited only to above embodiments, and specific structure is allowed to vary.In every case in the protection model of independent claims of the present invention
Interior made various change is enclosed to be within the scope of the invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Claims (7)
1. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle is shown shows equipment, including base shaft (1), motion bar (2),
Rotating mechanism, elevating mechanism and photovoltaic panel (12) and display screen (13)；It is socketed with above the base shaft (1) for installing photovoltaic
The motion bar (2) of plate (12) and display screen (13), which is characterized in that the photovoltaic panel (12) and display screen (13) are separately fixed at
The back side of motion bar (2) and front upper, motion bar (2) are separately connected rotating mechanism and elevating mechanism.
2. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 1 is shown shows equipment,
It is characterized in that, the lower end of the base shaft (2) is fixedly connected with the pedestal (20) for installing whole equipment, setting above pedestal (20)
Have battery (19), fixed conveyor case (3) above battery (19), transmission case (3) external flanges install promising rotating mechanism and
Elevating mechanism provides the driving motor (4) of power, and transmission case (3) and battery (19) are each attached on base shaft (1), driving motor
(4) conducting wire connection battery (19) and switch.
3. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 2 is shown shows equipment,
It is characterized in that, the rotating mechanism includes semicircle bevel gear (5), fixed link (7), motion bar (8) and gear set, wherein driving
Motor (4) output end is rotatablely connected driving shaft, and driving shaft end is fixed semicircle bevel gear (5), and semicircle bevel gear (5) half has
Tooth, it is smooth that the other half is anodontia；The top and the bottom of the semicircle bevel gear (5) are provided with bevel gear (6), bevel gear (6) same to semicircle
The toothed portion of bevel gear (5) engages, and the bevel gear (6) of top and the bottom is each attached to the lower part of fixed link (7)；The fixed link
(7) upper socket has loop bar (8), and by the first attachment base (10) connection motion bar (2), loop bar (8) upper end is logical on loop bar (8) top
Gear set connection motion bar (2) is crossed, gear set is made of first gear (9) and second gear (11), and first gear (9) is fixed on
The upper end of loop bar (8), second gear (11) are fixed on motion bar (2), and first gear (9) is engaged with second gear (11).
4. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 3 is shown shows equipment,
It is characterized in that, the loop bar (8) and the first attachment base (10) side are socketed, and the first attachment base (10) other side is socketed in motion bar
(2) lower part, loop bar (8) are provided with the flange for preventing longitudinal sliding motion in the top and the bottom with the first attachment base (10) socket place, living
Lever (2) is also equipped with flange in the top and the bottom with the first attachment base (10) socket place.
5. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 3 is shown shows equipment,
It is characterized in that, is provided with raised line in fixed link (7) external wall of upper portion, offers recessed bar, fixed link on the inner wall of loop bar (8)
(7) raised line on outer wall is entrenched in the recessed bar of loop bar (8) inner wall.
6. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 3 is shown shows equipment,
It is characterized in that, the elevating mechanism includes driven shaft (15), turntable (16), connecting rod (17) and the second attachment base (18), wherein pass
Dynamic case (3) lower rotational connection driven shaft (15), is connect between driven shaft (15) and driving shaft by driving member (14), driven shaft
(15) end is fixedly connected with turntable (16)；Turntable (16) the side outer rim is rotatablely connected connecting rod (17) lower end, on connecting rod (17)
End rotation connection the second attachment base (18), the second attachment base (18) and motion bar (2) upper socket.
7. the energy saving and environment friendly solar energy culture medium that a kind of multi-angle according to claim 6 is shown shows equipment,
It is characterized in that, the top and the bottom of the motion bar (2) and the second attachment base (18) socket place, which are provided with, prevents the second attachment base
(18) flange slided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268835.8A CN110005914B (en) | 2019-04-04 | 2019-04-04 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910268835.8A CN110005914B (en) | 2019-04-04 | 2019-04-04 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110005914A true CN110005914A (en) | 2019-07-12 |
| CN110005914B CN110005914B (en) | 2019-12-31 |
Family
ID=67170022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910268835.8A Active CN110005914B (en) | 2019-04-04 | 2019-04-04 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
Country Status (1)
| Country | Link |
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| CN (1) | CN110005914B (en) |
Cited By (3)
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| CN111536393A (en) * | 2020-05-13 | 2020-08-14 | 宁波酷趣网络科技有限公司 | Height-adjustable rotary display screen support |
| CN111578082A (en) * | 2020-06-05 | 2020-08-25 | 孙勉 | Electronic information display device with function of protecting display screen |
| CN112923184A (en) * | 2021-01-28 | 2021-06-08 | 新疆大学 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536393A (en) * | 2020-05-13 | 2020-08-14 | 宁波酷趣网络科技有限公司 | Height-adjustable rotary display screen support |
| CN111536393B (en) * | 2020-05-13 | 2021-12-21 | 云阳县龙角初级中学 | Height-adjustable rotary display screen support |
| CN111578082A (en) * | 2020-06-05 | 2020-08-25 | 孙勉 | Electronic information display device with function of protecting display screen |
| CN112923184A (en) * | 2021-01-28 | 2021-06-08 | 新疆大学 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005914B (en) | 2019-12-31 |
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