CN117218972B - Low-power consumption type market outdoor advertising screen - Google Patents
Low-power consumption type market outdoor advertising screen Download PDFInfo
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- CN117218972B CN117218972B CN202311486476.6A CN202311486476A CN117218972B CN 117218972 B CN117218972 B CN 117218972B CN 202311486476 A CN202311486476 A CN 202311486476A CN 117218972 B CN117218972 B CN 117218972B
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- 238000010248 power generation Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention discloses a low-power consumption type market outdoor advertising screen, which relates to the technical field of advertising display and comprises a screen body and an auxiliary lamp set fixed at the top of the screen body, wherein the auxiliary lamp set comprises an auxiliary lamp module which is opposite to the screen body, the screen body comprises a fixing frame, a vertically extending LED module is arranged on the fixing frame, the auxiliary lamp set is arranged at the top of the fixing frame, the auxiliary lamp set further comprises an extending support, a lifting rotating assembly is arranged on the extending support, the extending support comprises a vertical section fixed at the top of the fixing frame, a horizontal section horizontally extending is fixed at the middle section of the vertical section, the front end of the horizontal section is connected with the auxiliary lamp module, the lifting rotating assembly comprises a first rotating pair structure capable of moving up and down along the vertical section, the lifting rotating assembly further comprises a second rotating pair structure arranged at the side surface of the front end of the horizontal section, and a photovoltaic power generation module is arranged between the first rotating pair structure and the second rotating pair structure. The invention has the advantages of high energy utilization rate and low power consumption.
Description
Technical Field
The invention relates to the technical field of advertisement display, in particular to a low-power consumption type market outdoor advertisement screen.
Background
The outdoor advertisement screen of the market is an advertisement screen used outdoors, and mainly adopts an energy-saving LED backlight technology and a high-efficiency power management system to reduce power consumption, but because the advertisement screen is solely positioned outdoors, the brightness of the LED screen can be relatively weak, and in special cases such as night or insufficient illumination, the surrounding illumination can be considered to enhance the visibility of the advertisement screen, therefore, some LED screens are matched with additional auxiliary lamps above, the advertisement screen is realized through the arrangement of surrounding lights, so that advertisement content can be clearly visible at any time, meanwhile, the visual attraction of the whole advertisement screen can be increased through the light change of the auxiliary lamps, the visual attraction of pedestrians or vehicles is attracted, the exposure degree and effect of advertisements on the LED screen are improved, and in this way, the cluster high-brightness LED display is matched with a plurality of auxiliary lamps to assist the display of the LED screen, and the power consumption is larger.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a low-power-consumption type market outdoor advertisement screen to solve the technical problems.
The invention provides a low-power consumption type market outdoor advertisement screen, which comprises a screen body and an auxiliary lamp group fixed at the top of the screen body, wherein the auxiliary lamp group comprises an auxiliary lamp module opposite to the screen body, the screen body comprises a fixing frame, a vertically extending LED module is arranged on the fixing frame, the auxiliary lamp group is arranged at the top of the fixing frame, the auxiliary lamp group further comprises an extending bracket, and a lifting rotating assembly is arranged on the extending bracket; the extending support comprises a vertical section fixed at the top of the fixing frame, a horizontal section extending horizontally is fixed in the middle section of the vertical section, and the front end of the horizontal section extends to the obliquely upper side of the LED module and is connected with the auxiliary lamp module; the lifting rotating assembly comprises a first revolute pair structure capable of moving up and down along the vertical section, the lifting rotating assembly further comprises a second revolute pair structure arranged on the side face of the front end of the horizontal section, and a photovoltaic power generation module is arranged between the first revolute pair structure and the second revolute pair structure.
Preferably, the lifting rotating assembly further comprises a lifting structure, the lifting structure comprises a lifting rod which penetrates through the vertical section and can lift up and down, and a vertical opening is formed in the side face of the vertical section; the first revolute pair structure is fixed at the top of the lifting rod and penetrates through the vertical opening. The lifting rod can adopt electric and pneumatic modes to realize the lifting function; the setting of lifter can extend to inside the whole vertical section to accomplish the promotion to first revolute pair structure at self lift in-process, and then realize adjusting the height of first revolute pair structure, realize driving whole photovoltaic power generation module and carry out the angle modulation that orientation changed and in a certain limit.
Preferably, a heat dissipation gap is arranged between the LED module and the fixing frame, and the lifting rod is arranged in the heat dissipation gap. The heat dissipation gap can realize the heat dissipation of LED module on the one hand, and on the other hand provides the lifter sufficient installation space, guarantees the reliable realization of lift process.
Preferably, a horizontal opening is formed in the side face of the front section of the horizontal section, and the second revolute pair structure extends from the horizontal opening to the inside of the horizontal section. When the first revolute pair structure goes up and down to move the in-process, need guarantee that the second revolute pair structure can carry out horizontal migration, consequently through horizontal opening's setting, let the second revolute pair structure can have sufficient space to carry out horizontal migration.
Preferably, the left side and the right side of the vertical section are provided with the vertical openings, the first rotating auxiliary modules are respectively positioned at the two sides of the top of the lifting rod, and the two first rotating auxiliary modules respectively penetrate through the two vertical openings; the left side and the right side of the horizontal section are respectively provided with the horizontal openings, and the second revolute pair modules are provided with two horizontal openings and respectively penetrate through the two horizontal openings; the photovoltaic power generation modules are arranged in two and are respectively positioned at the left side and the right side of the horizontal section, and the two photovoltaic power generation modules are respectively connected with the two first rotating auxiliary modules and the two second rotating auxiliary modules. Through the setting of two vertical openings, two first revolute pair modules, two horizontal openings and two second revolute pair modules to let the auxiliary lamp module of single auxiliary lamp group provide more reliable installation region, accomplish the installation setting to two mutual symmetrical photovoltaic power generation modules, improve solar energy receiving area, thereby improve the energy conversion rate.
Preferably, the auxiliary lamp set, the lifting rotating assembly and the photovoltaic power generation module are all provided with a plurality of auxiliary lamps. The auxiliary lamp sets can be matched with the lifting rotating assemblies and the photovoltaic power generation modules, so that the auxiliary lamp sets are fully utilized to improve the low-power-consumption operation capability.
Preferably, the photovoltaic power generation module comprises a mounting plate, the front section of the mounting plate is connected with the first revolute pair structure, the rear end of the mounting plate is connected with the second revolute pair structure, a solar panel is arranged in the middle of the top surface of the mounting plate, and the solar panel is electrically connected with an electric storage module located on the fixing frame. The mounting panel both ends can be respectively with first revolute pair structure and second revolute pair structure rotation connection to realize reliable angle modulation, and then realize solar panel's angle modulation.
Preferably, the auxiliary lamp module comprises a connecting frame fixed at the front section of the horizontal section, an auxiliary lamp body is fixed on the connecting frame, the auxiliary lamp body is rotationally connected with the connecting frame, and a fixing bolt is arranged at the connecting position. The angle of the auxiliary lamp body on the connecting frame can be adjusted, and the fixing is completed through the fixing bolt after the adjustment.
Preferably, the fixing frame further comprises a base column vertically arranged, and the fixing frames are sequentially fixed on the base column from bottom to top. The fixing frame is provided with a plurality of fixing points from bottom to top, and each fixing point is respectively connected with a plurality of positions on the base column.
Preferably, the bottom of the base column is provided with a positioning seat. The positioning seat is in direct contact with the installation plane or the ground, so that the base column is vertical to the installation plane, and reliable positioning of the base column is realized.
Compared with the prior art, the low-power consumption type market outdoor advertising screen has the following beneficial effects:
according to the invention, the structure of the auxiliary lamp module is arranged and matched with the fixing frame to form reliable installation of the Fang Guangfu power generation module on the top, so that the problem that the photovoltaic power generation module cannot be installed due to the narrow transverse size of the screen body is solved, meanwhile, the display area formed by the front and back mounting LED modules of the fixing frame is not blocked, and the advertising effect of the advertising screen is ensured; meanwhile, the photovoltaic power generation module is positioned above the auxiliary lamp module, after the auxiliary lamp module is started, the visibility of the photovoltaic power generation module can be reduced, the visual influence and visual attraction of the photovoltaic power generation module on the advertising screen are fully lightened, the low power consumption is realized, and the visual effect of the advertising screen is fully ensured; further, set up first revolute pair structure and second revolute pair structure through vertical section and horizontal segment, wherein, the second revolute pair structure of horizontal segment front end flushes with vertical section middle section height, first revolute pair structure can follow vertical section and reciprocate simultaneously, thereby change its height, in-process that the second revolute pair structure reciprocated and changed the height, drive whole photovoltaic power generation module and carry out the angle modulation of orientation change and in a certain limit, guarantee that photovoltaic power generation module is in under the received intensity state of the biggest solar radiation for a long time, thereby improve the energy storage efficiency of advertisement screen, improve the available energy of advertisement screen in the unit time, further reduce the consumption in the operation process, fully realize the low-power consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a top plan view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in another state according to the present invention;
fig. 5 is a schematic view of the structure of the present invention in a further state of fig. 3.
Reference numerals:
the solar panel comprises a screen body, a fixing frame, a 12-LED module, a 13-heat dissipation gap, a 2-auxiliary lamp set, a 21-auxiliary lamp module, a 211-connecting frame, a 212-auxiliary lamp body, a 213-fixing bolt, a 22-extension support, a 231-vertical section, a 2311-vertical opening, a 232-horizontal section, a 2321-horizontal opening, a 3-lifting rotating assembly, a 31-first rotating pair structure, a 32-second rotating pair structure, a 33-lifting structure, a 331-lifting rod, a 4-photovoltaic power generation module, a 41-mounting plate, a 42-solar panel, a 5-base column and a 6-positioning seat.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "inner", "outer", "upper", "lower", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the invention provides a low-power consumption type outdoor advertisement screen for a market, which comprises a screen body 1 and an auxiliary lamp set 2 fixed on the top of the screen body 1, wherein the auxiliary lamp set 2 comprises an auxiliary lamp module 21 facing the screen body 1, the screen body 1 comprises a fixing frame 11, a vertically extending LED module 12 is arranged on the fixing frame 11, the auxiliary lamp set 2 is arranged on the top of the fixing frame 11, the auxiliary lamp set 2 further comprises an extension bracket 22, and a lifting rotating assembly 3 is arranged on the extension bracket 22; the extending bracket 22 comprises a vertical section 231 fixed at the top of the fixing frame 11, a horizontal section 232 extending horizontally is fixed at the middle section of the vertical section 231, and the front end of the horizontal section 232 extends to the obliquely upper side of the LED module 12 and is connected with the auxiliary lamp module 21; the lifting rotating assembly 3 comprises a first rotating pair structure 31 capable of moving up and down along the vertical section 231, the lifting rotating assembly 3 further comprises a second rotating pair structure 32 arranged on the side surface of the front end of the horizontal section 232, and a photovoltaic power generation module 4 is arranged between the first rotating pair structure 31 and the second rotating pair structure 32.
In this embodiment, it should be noted that, the outdoor advertisement screen of the whole low-power-consumption market is matched with the photovoltaic power generation module 4 to assist in energy supply, so as to reduce energy consumption for the advertisement screen, and is matched with the power management system to realize reliable low-power-consumption operation; specifically, the structure of the auxiliary lamp module 21 is arranged and matched with the fixing frame 11 to form reliable installation of the Fang Guangfu power generation module 4 on the top, so that the problem that the photovoltaic power generation module 4 cannot be installed due to the narrow transverse size of the screen body 1 is solved, meanwhile, the display area formed by the front and back mounting LED modules 12 of the fixing frame 11 is not shielded, the advertising effect of the advertising screen is ensured, meanwhile, the photovoltaic power generation module 4 is positioned above the auxiliary lamp module 21 and at a position which is not easy to be perceived by vision of a spectator and at the dark side of illumination, after the auxiliary lamp module 21 is started, the visibility of the photovoltaic power generation module 4 can be reduced, the visual influence and visual attraction of the photovoltaic power generation module 4 to the advertising screen are fully lightened, and the visual effect of the advertising screen is fully ensured while low power consumption is realized; further, the first revolute pair structure 31 and the second revolute pair structure 32 are provided through the vertical section 231 and the horizontal section 232, specifically, the horizontal opening 2321 is formed in the front side of the horizontal section 232, and the second revolute pair structure 32 extends from the horizontal opening 2321 to the inside of the horizontal section 232. In the present embodiment, it is necessary to ensure that the second revolute pair structure 32 can move horizontally during the lifting movement of the first revolute pair structure 31, so that the second revolute pair structure 32 can have enough space to move horizontally due to the horizontal opening 2321.
The second revolute pair structure 32 at the front end of the horizontal section 232 is level with the middle section of the vertical section 231, and meanwhile, the first revolute pair structure 31 can move up and down along the vertical section 231, so that the height of the advertisement screen is changed, and as the second revolute pair structure 32 does not move on the horizontal section 232, the photovoltaic power generation module 4 can rotate around the second revolute pair structure 32 and pull the second revolute pair structure 32 inwards along the horizontal opening 2321 along with the up-and-down movement of the first revolute pair structure 31, so that the whole photovoltaic power generation module 4 is driven to change the direction and adjust the angle within a certain range, the photovoltaic power generation module 4 is guaranteed to be in the state of receiving the maximum solar radiation for a long time, the energy storage efficiency of the advertisement screen is improved, the available energy of the advertisement screen in unit time is improved, the power consumption in the operation process is further reduced, and the low power consumption is fully realized.
Specifically, the lifting rotation assembly 3 further includes a lifting structure 33, where the lifting structure 33 includes a lifting rod 331 penetrating inside the vertical section 231 and capable of lifting up and down, and a vertical opening 2311 is formed on a side surface of the vertical section 231; the first revolute pair structure 31 is fixed on the top of the lifting rod 331, and the first revolute pair structure 31 passes through the vertical opening 2311.
In this embodiment, the lifting rod 331 may be electric or pneumatic to realize a lifting function; the setting of lifter 331 can extend to inside the whole vertical section 231 to accomplish the promotion to first revolute pair structure 31 at self lift in-process, and then realize adjusting first revolute pair structure 31's height, realize driving whole photovoltaic power generation module 4 and carrying out the angle modulation of orientation change and certain within range.
Specifically, a heat dissipation gap 13 is disposed between the LED module 12 and the fixing frame 11, and a lifting rod 331 is disposed in the heat dissipation gap 13.
In the present embodiment, the heat dissipation gap 13 can dissipate heat of the LED module 12, and provides enough installation space for the lifting rod 331 to ensure reliable lifting process.
Specifically, vertical openings 2311 are formed on the left and right sides of the vertical section 231, two first rotating sub-modules are arranged and are respectively located on the two sides of the top of the lifting rod 331, and the two first rotating sub-modules respectively penetrate through the two vertical openings 2311; the left side and the right side of the horizontal section 232 are respectively provided with a horizontal opening 2321, and the second revolute pair module is provided with two horizontal openings 2321 and respectively penetrates through the two horizontal openings 2321; the two photovoltaic power generation modules 4 are arranged and are respectively positioned at the left side and the right side of the horizontal section 232, and the two photovoltaic power generation modules 4 are respectively connected with the two first revolute pair modules and the two second revolute pair modules.
In this embodiment, it should be noted that, by the arrangement of the two vertical openings 2311, the two first rotating sub-modules, the two horizontal openings 2321 and the two second rotating sub-modules, the auxiliary lamp modules 21 of the single auxiliary lamp set 2 provide more reliable mounting areas, so as to complete the mounting arrangement of the two symmetrical photovoltaic power generation modules 4, and improve the solar energy receiving area, thereby improving the energy conversion rate.
Specifically, the auxiliary lamp set 2, the lifting rotating assembly 3 and the photovoltaic power generation module 4 are all provided with a plurality of lamps.
In the present embodiment, the plurality of auxiliary lamp groups 2 can be matched with the plurality of elevating and rotating assemblies 3 and the photovoltaic power generation module 4, so that the auxiliary lamp groups 2 are fully utilized to improve the low-power-consumption operation capability.
Specifically, the photovoltaic power generation module 4 includes a mounting plate 41, the front section of the mounting plate 41 is connected with the first revolute pair structure 31 and the rear end is connected with the second revolute pair structure 32, the middle section of the top surface of the mounting plate 41 is provided with a solar panel 42, and the solar panel 42 is electrically connected with an electric storage module located on the fixing frame 11.
In the present embodiment, both ends of the mounting plate 41 can be rotatably connected to the first revolute pair structure 31 and the second revolute pair structure 32, respectively, so that reliable angle adjustment is achieved, and further, angle adjustment of the solar panel 42 is achieved.
Specifically, the auxiliary lamp module 21 includes a connecting frame 211 fixed at the front section of the horizontal section 232, an auxiliary lamp body 212 is fixed on the connecting frame 211, the auxiliary lamp body 212 is rotatably connected with the connecting frame 211, and a fixing bolt 213 is arranged at the connecting position.
In the present embodiment, the angle of the auxiliary lamp body 212 on the connection frame 211 can be adjusted, and the fixing is completed by the fixing pin 213 after the adjustment.
Specifically, the device further comprises a base column 5 which is vertically arranged, and the fixing frames 11 are sequentially fixed on the base column 5 from bottom to top.
In the present embodiment, the fixing frame 11 has a plurality of fixing points from bottom to top, and each fixing point is connected to a plurality of positions on the base column 5.
Specifically, a positioning seat 6 is arranged at the bottom of the base column 5.
In this embodiment, the positioning seat 6 is in direct contact with the installation plane or the ground, so that the base column 5 is ensured to be perpendicular to the installation plane, and reliable positioning of the base column 5 is achieved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. The utility model provides a low-power consumption type market outdoor advertising screen, includes screen body and fixes the auxiliary lamp group at screen body top, the auxiliary lamp group includes just to the auxiliary lamp module of screen body, its characterized in that, the screen body includes the mount, install the LED module of vertical extension on the mount, the mount top sets up the auxiliary lamp group, the auxiliary lamp group still includes the extension support, be provided with on the extension support and go up and down to rotate the subassembly; the extending support comprises a vertical section fixed at the top of the fixing frame, a horizontal section extending horizontally is fixed in the middle section of the vertical section, and the front end of the horizontal section extends to the obliquely upper side of the LED module and is connected with the auxiliary lamp module;
the lifting rotating assembly comprises a first revolute pair structure capable of moving up and down along the vertical section, and further comprises a second revolute pair structure arranged on the side surface of the front end of the horizontal section, and a photovoltaic power generation module is arranged between the first revolute pair structure and the second revolute pair structure;
the second revolute pair structure at the front end of the horizontal section is flush with the middle section of the vertical section in height;
the lifting rotating assembly further comprises a lifting structure, the lifting structure comprises a lifting rod which penetrates through the vertical section and can lift up and down, and a vertical opening is formed in the side face of the vertical section; the first revolute pair structure is fixed at the top of the lifting rod and penetrates through the vertical opening;
the side surface of the front section of the horizontal section is provided with a horizontal opening, and the second revolute pair structure extends from the horizontal opening to the inside of the horizontal section;
the left side and the right side of the vertical section are provided with vertical openings, the first revolute pair structures are arranged at two sides of the top of the lifting rod respectively, and the two first revolute pair structures penetrate through the two vertical openings respectively;
the left side and the right side of the horizontal section are respectively provided with the horizontal openings, and the second revolute pair structure is provided with two horizontal openings and respectively penetrates through the two horizontal openings;
the photovoltaic power generation modules are arranged at the left and the right of the horizontal section, and are respectively connected with the two first revolute pair structures and the two second revolute pair structures;
the photovoltaic power generation module comprises a mounting plate, the front section of the mounting plate is connected with the first revolute pair structure, the rear end of the mounting plate is connected with the second revolute pair structure, a solar panel is arranged in the middle section of the top surface of the mounting plate, and the solar panel is electrically connected with an electric storage module positioned on the fixing frame;
the lifting rod moves up and down, and can drive the first revolute pair structure to slide along the vertical opening, so that the first revolute pair structure is moved to the upper part/lower part of the horizontal opening, and the left and right directions of the photovoltaic power generation module are changed.
2. The low-power consumption type mall outdoor advertising screen according to claim 1, wherein a heat dissipation gap is arranged between the LED module and the fixing frame, and the lifting rod is arranged in the heat dissipation gap.
3. The low power consumption mall outdoor advertising screen of claim 1, wherein,
the auxiliary lamp set, the lifting rotating assembly and the photovoltaic power generation module are all provided with a plurality of auxiliary lamps.
4. The low power consumption type outdoor advertising screen for a mall of claim 1, wherein the auxiliary lamp module comprises a connecting frame fixed at the front section of the horizontal section, an auxiliary lamp body is fixed on the connecting frame, the auxiliary lamp body is rotatably connected with the connecting frame, and a fixing bolt is arranged at the connecting position.
5. The low power consumption type mall outdoor advertising screen according to claim 1, further comprising a base column vertically arranged, wherein the fixing frame is sequentially fixed on the base column from bottom to top.
6. The low power consumption mall outdoor advertising screen of claim 5, wherein the base pillar bottom is provided with a positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311486476.6A CN117218972B (en) | 2023-11-09 | 2023-11-09 | Low-power consumption type market outdoor advertising screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311486476.6A CN117218972B (en) | 2023-11-09 | 2023-11-09 | Low-power consumption type market outdoor advertising screen |
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| CN117218972A CN117218972A (en) | 2023-12-12 |
| CN117218972B true CN117218972B (en) | 2024-02-06 |
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