CN109949715A - A kind of Multifunctional LED display screen - Google Patents
A kind of Multifunctional LED display screen Download PDFInfo
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- CN109949715A CN109949715A CN201910334088.3A CN201910334088A CN109949715A CN 109949715 A CN109949715 A CN 109949715A CN 201910334088 A CN201910334088 A CN 201910334088A CN 109949715 A CN109949715 A CN 109949715A
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- display screen
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- pedestal
- multifunctional
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 44
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
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- 239000011521 glass Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000011241 protective layer Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 5
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to display device technology field, in particular to a kind of Multifunctional LED display screen, including at least one display screen unit；Two neighboring display screen unit is hinged；Each display screen unit includes pedestal, the main frame on pedestal and the display screen main body on main frame；Power module and LED controller are equipped in pedestal；Power module, display screen main body are electrically connected with LED controller.Multifunctional LED display screen can be landed by the way that pedestal is arranged and be placed in target position use by Multifunctional LED display screen provided by the invention, and the installment work complicated without progress is used and moved and is very convenient；Power module and LED controller are set in pedestal, increase the weight of Multifunctional LED display screen bottom, so that Multifunctional LED display screen is not prone to tip over when being placed in target position.
Description
Technical field
The present invention relates to display device technology field, in particular to a kind of Multifunctional LED (light emitting diode, Light
Emitting Diode) display screen.
Background technique
Display screen is that the life and work of people brings many convenience, with the development of display technology, large display screen
It is all widely applied in places such as various shopping mall markets, exhibitions, subterranean corridors, but large display screen is all fixed at present
It is mounted on the wall, installation and removal are difficult, it is difficult to position is adjusted as needed, and function is also relatively simple, only as aobvious
Display screen uses, therefore significantly limits the use occasion of display screen.
Summary of the invention
To solve the deficiency that the above-mentioned prior art is mentioned, the present invention provides a kind of Multifunctional LED display screen, including at least one
A display screen unit；The two neighboring display screen unit is hinged；
Each display screen unit includes pedestal, the main frame on the pedestal and is set on the main frame
Display screen main body；Power module and LED controller are equipped in the pedestal；The power module, the display screen main body are equal
It is electrically connected with the LED controller.
Further, the display screen main body includes multiple equidistant LED light bars disposed in parallel；The LED light bar packet
The multiple LED lamp beads for including the pcb board equipped with conducting wire and being equidistantly laid on the pcb board；All LED lamp bead structures
At LED array of display.
Further, the display screen main body includes transparent conducting glass or electrically conducting transparent plastics, and equidistant laying
Multiple LED lamp beads on the transparent conducting glass or electrically conducting transparent plastics；All LED lamp beads constitute LED and show battle array
Column.
Further, the display screen main body include transparent protective layer, the conductive film layer in the transparent protective layer,
And equidistantly it is laid in multiple LED lamp beads on the conductive film layer；The conductive film layer includes flexible insulation base and cloth
Conducting wire in the flexible insulation base, the conductor wire route are connected with the LED lamp bead；It is all described
LED lamp bead constitutes LED array of display.
Further, the transparent protective layer is transparent glass or transparent plastic.
Further, the LED lamp bead is three-color LED lamp bead.
Further, the bottom of the pedestal is equipped with several universal wheels and several height-adjustable stabilizer blades.
Further, water tank is equipped in the pedestal；The water tank is equipped with water inlet to be opened/closed and discharge outlet.
Further, the power module includes battery and the power interface for connecting extraneous power supply.
Further, the signal wire for connecting the LED controller and the display screen main body is laid in the main frame
It is interior.
Compared with prior art, Multifunctional LED display screen provided in an embodiment of the present invention can will be more by the way that pedestal is arranged
The landing of function LED display is placed in target position use and uses and move very without carrying out complicated installment work
It is convenient；And various shapes can be put into as needed, it can the broadcasting as display screen for video or picture, it can also be with
Decoration and separation as screen for room, or as billboard for product introduction, advertisement dispensing etc.；The present invention is real
It applies power module and LED controller in the Multifunctional LED display screen of example offer to be set in pedestal, increases Multifunctional LED and show
The weight for shielding bottom, so that Multifunctional LED display screen is not prone to tip over when being placed in target position.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of Multifunctional LED display screen provided by the invention；
Fig. 2 is the schematic diagram of internal structure of Multifunctional LED display screen provided by the invention；
Fig. 3 is the structural schematic diagram of another embodiment of Multifunctional LED display screen provided by the invention；
Fig. 4 is the enlarged diagram of a-quadrant in Fig. 1；
Fig. 5 is the structural schematic diagram of preferred embodiment display screen main body provided by the invention；
Fig. 6 provides Multifunctional LED display screen use state diagram one for the present invention；
Fig. 7 provides Multifunctional LED display screen use state diagram two for the present invention；
Fig. 8 provides Multifunctional LED display screen use state diagram three for the present invention.
Appended drawing reference:
10 pedestal, 11 power module 12LED controller
20 main frame, 30 display screen main body 31LED lamp bead
32 transparent protective layer, 33 conductive film layer, 40 universal wheel
50 stabilizer blade, 60 water tank
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, " first " that uses, " second " and similar word be not offered as any sequence, quantity or
Importance, and the component part for only having used differentiation different.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirect.
As Figure 1-Figure 8, the present invention provides a kind of Multifunctional LED display screen, including at least one display screen unit；Phase
Adjacent two display screen units are hinged；Each display screen unit includes pedestal 10, the master on the pedestal 10
Frame 20 and the display screen main body 30 on the main frame 20；It is equipped with power module 11 in the pedestal 10 and LED is controlled
Device 12 processed；The power module 11, display screen main body 30 are electrically connected with the LED controller 12.
When it is implemented, the present invention provides Multifunctional LED display screen, by display screen unit or multiple it is hinged
Display screen unit composition；Wherein, each showing screen unit includes pedestal 10, main frame 20 and display screen main body 30, such as Fig. 2 institute
Show, the inner hollow of pedestal 10, power module 11 and LED controller 12, power module are installed in the inner space of pedestal 10
11 for providing power supply for display screen main body 30 and LED controller 12, and LED controller 12 is interior to have LED display control system,
It works for controlling display screen main body 30, LED controller 12 can be LED display isochronous controller, can also be LED display
Nonsynchronous controller, preferably LED display isochronous controller, the convenient control that display picture is carried out by computer or intelligent terminal
System；Power module 11 and LED controller 12 are set in pedestal 10, to increase the weight of Multifunctional LED display screen bottom, are made
It obtains when Multifunctional LED display screen is placed in target position and is not prone to tip over.
As shown in Figure 1 and Figure 2, main frame 20 is fixed on pedestal 10, and specifically, main frame 20 can be directly welded at bottom
On seat 10, it can also be removably mounted on main frame 20 by bolt or screw；Display screen main body 30 is mounted on main frame
On frame 20, display screen is equipped with the LED lamp bead 31 arranged by matrix, with the LED array of display of composition；20 inner hollow of main frame
And 20 inner space of main frame is connected with 10 inner space of pedestal；Connect LED controller 12 with display screen main body 30, for controlling
The signal wire that display screen main body 30 processed works is laid in main frame 20, and is finally collapsed in pedestal 10；Signal wire is laid in
In main frame 20, so that Multifunctional LED display screen terminal with compact integral structure.
In the embodiment of the present invention, display screen main body 30 be can be such as flowering structure: including multiple equidistant LED disposed in parallel
Lamp bar；The LED light bar includes being equipped with the pcb board (printed circuit board, Printed Circuit Board) of conducting wire and waiting
Spacing is laid in multiple LED lamp beads 31 on the pcb board；All LED lamp beads 31 constitute LED array of display.
Specifically, as Figure 1 and Figure 4, multiple LED light bars are arranged equally spaced in parallel on main frame 20, between lamp bar
Away from for 2-20mm, preferably 5mm；LED light bar includes pcb board and LED lamp bead 31, and pcb board is hard pcb board, and LED lamp bead 31 is
Patch type three-color LED lamp bead；31 laid equidistantly of LED lamp bead on pcb board, the arrangement spacing of LED lamp bead 31 and lamp bar
Spacing of arranging is identical, and all LED lamp bead 31 is arranged in matrix, constitutes a LED array of display, and provide such as screen partly
Transparent occlusion effect；The conducting wire being connected with each LED lamp bead 31, one end of conducting wire and LED lamp bead are equipped in pcb board
31 pin is connected, and the other end extends to the end (i.e. the end of LED light bar) of pcb board；As shown in Figure 1, the two of LED light bar
End is mounted on main frame 20, and the conducting wire in pcb board is connected with the signal wire in main frame 20；
When lamp bar is installed on main frame 20, first the end of a certain number of LED light bars can be connected to be made
Unit module, is then mounted on main frame 20 by one independent unit module again, the conducting wire in LED light bar and main frame
Signal wire in frame 20 is connected；The inserting terminal being connected with signal wire, each LED light are either set on main frame 20
The end of item is set as socket plug structure, LED light bar is removably plugged in the inserting terminal on main frame 20, each LED
Conducting wire in lamp bar is connected with the signal wire in main frame 20 respectively；LED controller 12 in pedestal 10 passes through main frame
Signal wire in frame 20 is connected with the end of LED light bar, then the conducting wire and each LED light by being arranged in pcb board
Pearl 31 is connected；The light that each LED lamp bead 31 issues color of object is controlled by LED controller 12, thus in entire display screen master
Target pattern is presented on body 30.
In the embodiment of the present invention, display screen main body 30 be can also be such as flowering structure: including transparent conducting glass or transparent be led
Electric plastics (such as acryl), and the multiple LED light being equidistantly laid on the transparent conducting glass or electrically conducting transparent plastics
Pearl 31；All LED lamp beads 31 constitute LED array of display.
As shown in Figure 3, specifically, transparent conducting glass (such as surface be coated with ITO (tin indium oxide,
Indiumtinoxide) the either glass of FTO (fluorine-doped tin oxide)) or electrically conducting transparent plastics (such as surface is coated with copper or silver
Plastics) on etch conducting wire, be equally spacedly laid with multiple LED light on transparent conducting glass or electrically conducting transparent plastics
Pearl 31, LED lamp bead 31 are preferably patch type three-color LED lamp bead, and all LED lamp beads 31 are arranged in matrix, and it is aobvious to constitute a LED
Show array, a LED lamp bead 31 is a pixel；Conducting wire one end on transparent conducting glass or electrically conducting transparent plastics
It is connected with the pin of LED lamp bead 31, the other end extends to side and the main frame of transparent conducting glass or electrically conducting transparent plastics
Signal wire in 20 is connected；LED controller 12 in pedestal 10 passes through the signal wire and transparent conducting glass in main frame 20
Or electrically conducting transparent plastics are connected, then by the conducting wire that is arranged on transparent conducting glass or electrically conducting transparent plastics and each
LED lamp bead 31 is connected；The light that each LED lamp bead 31 issues color of object is controlled by LED controller 12, thus entirely showing
Target pattern is presented in screen main body 30.
In the embodiment of the present invention, display screen main body 30 be can also be such as flowering structure: including transparent protective layer 32, as described in
Conductive film layer 33 in transparent protective layer 32 and the multiple LED lamp beads 31 being equidistantly laid on the conductive film layer 33；Institute
State the conducting wire that conductive film layer 33 includes flexible insulation base and is laid in the flexible insulation base, the conducting wire
Line is connected with the LED lamp bead 31；All LED lamp beads 31 constitute LED array of display.
Specifically, as shown in figure 5, display screen main body 30 includes transparent protective layer 32 and leading in transparent protective layer 32
Electrolemma layer 33；Transparent protective layer 32 is transparent glass or transparent plastic, it is preferable that transparent protective layer 32 is equipped with front and back two layers,
Conductive film layer 33 is set between two layers of transparent protective layer 32；Conductive film layer 33 include flexible insulation base, flexible insulation base by
The good clear flexible material of insulation performance is made, preferably polyethylene；Conducting wire is equipped in flexible insulation base, it is conductive
Route can be laid by conductive material or by lametta；It is additionally provided in flexible insulation base and conductor wire route phase
Multiple LED lamp beads 31 of connection；LED lamp bead 31 is preferably patch type three-color LED lamp bead, and all LED lamp beads 31 are arranged in matrix
Cloth constitutes a LED array of display, and conducting wire one end in flexible insulation base is connected with the pin of LED lamp bead 31, separately
The side that one end extends to flexible insulation base is connected with the signal wire in main frame 20；LED controller 12 in pedestal 10
It is connected by the signal wire in main frame 20 with conductive film layer 33, then the conductor wire by being arranged in flexible insulation base
Road is connected with each LED lamp bead 31；The light that each LED lamp bead 31 issues color of object is controlled by LED controller 12, thus whole
Target pattern is presented in a display screen main body 30.
Specifically, a display screen unit can be only arranged in Multifunctional LED display screen provided in an embodiment of the present invention, can also
Multiple display screen units are arranged；When display screen unit is equipped with it is multiple when, two adjacent display screen units by hinge or
Shaft is hinged, so that two adjacent display screen units can mutually be rotated around hinge joint；The particular number of display screen unit and
Arrangement mode can be selected as needed, as shown in fig. 6, display screen unit is equipped with 3 in Multifunctional LED display screen, 3 aobvious
Display screen unit is in one line, and 3 display screen main bodys 30 are combined into the display screen of a large area；As shown in fig. 7, Multifunctional LED
Display screen unit is equipped with 3 in display screen, and 3 display screen unit arrangements triangular in shape, 3 display screen main bodys 30 are respectively to 3
Direction shows picture；As shown in figure 8, display screen unit is equipped with 4 in Multifunctional LED display screen, 4 display screen units are in rectangle
Arrangement, 4 display screen main bodys 30 show picture to 4 directions.
Preferably, several universal wheels 40 are equipped in the bottom of the pedestal 10, specifically, as shown in Figure 1, in pedestal 10
Bottom four corners respectively set a universal wheel 40, being capable of easily mobile multifunctional LED display by universal wheel 40；Preferably, the bottom of at
The bottom four corners of seat 10 respectively set a height-adjustable stabilizer blade 50, when needing mobile multifunctional LED display, adjust stabilizer blade 50
Extension elongation make stabilizer blade 50 be higher than universal wheel 40, at this time universal wheel 40 and ground face contact, be moved easily Multifunctional LED and show
Screen；After Multifunctional LED display screen is moved to target position, the extension elongation for adjusting stabilizer blade 50 makes stabilizer blade 50 lower than universal wheel 40
Or with 40 same level height of universal wheel, at this time stabilizer blade 50 and ground face contact, Multifunctional LED display screen can be more steadily
It is placed in target position.
Preferably, water tank 60 is equipped in the pedestal 10；The water tank 60 is equipped with water inlet to be opened/closed and discharge outlet.
Specifically, as shown in Fig. 2, being provided with water tank 60 in the inner space of pedestal 10, water tank 60 is equipped with water inlet to be opened/closed
And discharge outlet；After Multifunctional LED display screen puts target position, the water inlet of water tank 60 is opened, by water inlet to water tank
It is passed through a certain amount of water in 60, increases the weight of Multifunctional LED display screen bottom, keeps Multifunctional LED display screen more steady
Surely it is placed in target position；If desired Multifunctional LED display screen is packed up or is carried to later other placement positions, can beat
The water in water tank 60 is discharged by being discharged into the mouth of a river for the discharge outlet of boiled water tank 60, reduces the entirety weight of Multifunctional LED display screen
Amount, it is easy to carry.Further, power module 11 and LED controller 12 may be designed as being set on water tank 60 and contact water tank
60 shells make water tank 60 absorb heat caused by power module 11 and LED controller 12.
Preferably, the power module 11 includes battery and the power interface for connecting extraneous power supply.Specifically, logical
Setting battery is crossed, the certain time so that Multifunctional LED display screen can also work when being inconvenient to be directly connected to external power supply,
So that Multifunctional LED display screen provided in an embodiment of the present invention can be suitable for more occasions；Battery setting simultaneously
Inside pedestal 10, the weight of Multifunctional LED display screen bottom can be increased, enable Multifunctional LED display screen more steadily
It is placed in target position；And external power supply can be directly connected to as Multifunctional LED display screen power supply by power interface, while energy
Enough to charge the battery.
Multifunctional LED display screen provided in an embodiment of the present invention in actual use can will be multi-functional by pedestal 10
LED display landing is placed in target position, and can select the quantity of display screen unit as needed and put into required shape
Shape；Power supply is provided by external power supply or included battery, is used in a variety of occasions；It is aobvious by the control of LED controller 12
The light of color needed for each LED lamp bead 31 issues respectively in display screen main body 30, since LED lamp bead 31 is arranged in array, each
LED lamp bead 31 is a pixel；All LED lamp beads 31 are combined into target pattern；Further, when passing through LED
Controller 12 controls the real-time dynamic change of light color that each LED lamp bead 31 is issued, and can form video display effect.When aobvious
When display screen unit is equipped with multiple, picture shown by the display screen main body 30 on each display screen unit can be it is identical, can also
It also or is that each display screen main body 30 distinguishes display portion picture, all display screen main bodys (30) are combined into be different
One complete picture.
Compared with prior art, Multifunctional LED display screen provided in an embodiment of the present invention can will be more by the way that pedestal is arranged
The landing of function LED display is placed in target position use and uses and move very without carrying out complicated installment work
It is convenient；And various shapes can be put into as needed, it can the broadcasting as display screen for video or picture, it can also be with
Either launched as billboard for product introduction, advertisement as screen for the decoration in room and separation etc.；The present invention is real
It applies power module and LED controller in the Multifunctional LED display screen of example offer to be set in pedestal, increases Multifunctional LED and show
The weight for shielding bottom, so that Multifunctional LED display screen is not prone to tip over when being placed in target position.
Although herein it is more used such as pedestal, power module, LED controller, main frame, display screen main body,
The terms such as LED lamp bead, transparent protective layer, conductive film layer, universal wheel, water tank, but it does not exclude the possibility of using other terms.
The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as any additional
Limitation be all to be disagreed with spirit of that invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of Multifunctional LED display screen, it is characterised in that: including at least one display screen unit；The two neighboring display
Screen unit is hinged；
Each display screen unit includes pedestal (10), the main frame (20) being set on the pedestal (10) and is set to described
Display screen main body (30) on main frame (20)；Power module (11) and LED controller (12) are equipped in the pedestal (10)；Institute
Power module (11), the display screen main body (30) is stated to be electrically connected with the LED controller (12).
2. a kind of Multifunctional LED display screen according to claim 1, it is characterised in that: display screen main body (30) packet
Include multiple equidistant LED light bars disposed in parallel；The LED light bar includes pcb board and equidistant laying equipped with conducting wire
In multiple LED lamp beads (31) on the pcb board；All LED lamp beads (31) constitute LED array of display.
3. a kind of Multifunctional LED display screen according to claim 1, it is characterised in that: display screen main body (30) packet
Transparent conducting glass or electrically conducting transparent plastics are included, and are equidistantly laid on the transparent conducting glass or electrically conducting transparent plastics
Multiple LED lamp beads (31)；All LED lamp beads (31) constitute LED array of display.
4. a kind of Multifunctional LED display screen according to claim 1, it is characterised in that: display screen main body (30) packet
It includes transparent protective layer (32), the conductive film layer (33) being set in the transparent protective layer (32) and is equidistantly laid in described
Multiple LED lamp beads (31) on conductive film layer (33)；The conductive film layer (33) includes flexible insulation base and is laid in described
Conducting wire in flexible insulation base, the conductor wire route are connected with the LED lamp bead (31)；All LED light
Pearl (31) constitutes LED array of display.
5. a kind of Multifunctional LED display screen according to claim 4, it is characterised in that: the transparent protective layer (32) is
Transparent glass or transparent plastic.
6. a kind of Multifunctional LED display screen according to claim 1-4, it is characterised in that: the LED lamp bead
It (31) is three-color LED lamp bead.
7. a kind of Multifunctional LED display screen according to claim 1-4, it is characterised in that: the pedestal (10)
Bottom be equipped with several universal wheels (40) and several height-adjustable stabilizer blades (50).
8. a kind of Multifunctional LED display screen according to claim 1-4, it is characterised in that: the pedestal (10)
It is interior to be equipped with water tank (60)；The water tank (60) is equipped with water inlet to be opened/closed and discharge outlet.
9. a kind of Multifunctional LED display screen according to claim 1-4, it is characterised in that: the power module
It (11) include battery and the power interface for connecting extraneous power supply.
10. a kind of Multifunctional LED display screen according to claim 1-4, it is characterised in that: connect the LED
Controller (12) and the signal wire of the display screen main body (30) are laid in the main frame (20).
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| CN201910334088.3A CN109949715A (en) | 2019-04-24 | 2019-04-24 | A kind of Multifunctional LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910334088.3A CN109949715A (en) | 2019-04-24 | 2019-04-24 | A kind of Multifunctional LED display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636799A (en) * | 2020-06-17 | 2020-09-08 | 苏州水木清华设计营造有限公司 | LED electrically operated gate system |
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Application publication date: 20190628 |