LED advertising device based on solar power generation system
By designing a device that includes LED advertising components and conversion components, the problems of low solar energy absorption and conversion efficiency and low advertising display efficiency in the prior art are solved, and efficient solar energy utilization and advertising transmission effects are achieved.
Patent Information
- Application Number
- CN202411632699.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-02-18
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing LED advertising devices based on solar power generation systems are difficult to efficiently absorb and convert solar energy, and it is difficult to efficiently display advertising information.
A device including LED advertising components and conversion components is designed. The conversion components are built-in solar panels and LED display screens, and efficient absorption and conversion of solar energy is achieved through stepper motors and conversion circuits, as well as efficient display of advertising information.
It realizes efficient absorption and conversion of solar energy, ensures stable power supply of LED displays and efficient display of advertising information, and improves power utilization and advertising transmission effect.
Smart Images

Figure CN119479494A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of LED advertising, and in particular to an LED advertising device based on a solar power generation system. Background Art
[0002] At present, photovoltaic power generation is mainly used in state-owned enterprises or state-owned power generation systems on a large scale. Due to its expensive sales price, large floor space and special requirements for weather, it is rarely used in daily life. The purpose of this article is to apply photovoltaic power generation systems to unattended and certain-height store signs, highway billboards, road warning signs, corporate billboards, bus stops, scenic road signs and other advertising places. This can provide sufficient power for the LEDs on the billboards, the internal electrical appliances of the stores, the electrical devices of the bus stops and the surrounding street lights, and make full use of the limited resource space.
[0003] After searching, the patent application with the number of 201711362073.5 discloses an LED advertising device based on a solar power generation system, which belongs to the field of intelligent power supply, including an AT89C51 main controller, and the AT89C51 main controller is connected with a power generation module, a buck-boost module, a display module and an A / D conversion module. The power generation module includes a solar panel and a backup battery, wherein the solar panel supplies power to the entire circuit, and its number can be increased according to different requirements; the buck-boost module includes a boost circuit and a buck circuit; the display module includes a liquid crystal display, an electronic billboard and buttons; the A / D conversion module includes an A / D converter and a light sensor. The present invention can make full use of solar energy resources and the space resources of billboards, save a lot of electric energy, and improve the utilization rate of electric energy;
[0004] The above application document realizes power supply for LED advertising device through the setting of the solar energy system, but does not disclose the specific structure of LED advertisement. How to absorb and convert light energy and power the advertisement has become an urgent problem to be solved.
[0005] Therefore, we proposed an LED advertising device based on a solar power generation system. Summary of the invention
[0006] In view of the deficiencies of the prior art, the present invention provides an LED advertising device based on a solar power generation system, which solves the problem that the prior devices are difficult to efficiently absorb and convert solar energy according to demand and to efficiently display advertising information.
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an LED advertising device based on a solar power generation system, comprising an LED advertising component and a support component supporting it from its bottom side, and the support component and the LED advertising component are adjusted by a first adjustment component;
[0008] The main body of the LED advertising component is a conversion component, the top end of which is mounted on the inner side of the top frame seat, a stepper motor is fixedly mounted on the top of the top frame seat, a main gear disc is fixedly mounted on the output shaft of the stepper motor, and a single set of conversion components is fixedly connected to the bottom end of the main gear disc;
[0009] The main body of the conversion component is an inner frame of a tripod frame, a V-shaped solar cell panel is fixedly mounted on the outer wall of the inner frame, and an LED display screen is fixedly mounted on the other surface of the inner frame, a conversion circuit connected to the solar cell panel is installed on the inner side of the inner frame, and the output end of the conversion circuit is electrically connected to the LED display screen.
[0010] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the conversion circuit includes a first relay electrically connected to the solar panel, the outer end of the first relay is electrically connected to the boost circuit, the output end of the boost circuit is electrically connected to the second relay, the output end of the second relay is electrically connected to the buck circuit, and the output end of the buck circuit is electrically connected to the LED display screen;
[0011] Among them, the setting of the first relay and the boost circuit can stably boost the electric energy absorbed and converted by the solar cell panel, and then step it down by the setting of the second relay and the step-down circuit, thereby achieving stable voltage regulation of the electric energy and ensuring the subsequent storage of electricity in the battery holder.
[0012] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the boost circuit and the buck circuit are electrically connected to a controller, the receiving frame is connected to the control center via a Bluetooth module, and the output of the conversion circuit is electrically connected to a battery holder;
[0013] Among them, the setting of the controller can transmit the signal of the control station to each component, so as to realize the remote adjustment thereof, and the setting of the battery holder can accumulate the converted electric energy, so as to charge the LED display screen and send out normal LED advertising signals.
[0014] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, a tripod-shaped receiving frame is fixedly installed on the inner side of the inner frame, a main gear disc is fixedly connected to the top of the receiving frame at the top center, and a secondary gear disc in a relatively opposite position is meshed on the outer side of the main gear disc;
[0015] Among them, the setting of the controller makes it convenient to fix the inner frame to the bottom side of the main gear disc, and the stepper motor drives the inner frame on the bottom side to rotate through the main gear disc, so that the solar cell panel or LED display screen on it faces the outside, realizing the absorption and conversion of solar energy and the transmission of advertising information.
[0016] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the LED advertising component includes nine groups of arranged conversion components, each group of the conversion components is provided with a main gear plate on the top, and the main gear plates of adjacent conversion components are meshed with each other through auxiliary gear plates;
[0017] Among them, the setting of multiple groups of conversion components can drive each group of conversion components to rotate through a stepper motor, so that the solar panels and LED display screens on them are respectively set on the outside, so as to absorb and convert light energy and efficiently output advertising information.
[0018] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the LED advertising component also includes a chuck fixedly welded to the inner side of the bottom end of the conversion component, the bottom side of the conversion component is equipped with a bottom plate, the side edge of the bottom plate and the side edge of the top frame seat are welded through two sets of side plates, and a disc groove rotatably mounted on the bottom side of the chuck is opened on the top surface of the bottom plate;
[0019] Among them, the setting of the controller can ensure the stability of the conversion component when it is driven to rotate.
[0020] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the support assembly includes a bottom frame and two sets of side frames on the top side thereof, and hollow grooves are opened in the two sets of side frames;
[0021] Among them, the setting of the support component can support the LED advertising component from the bottom side to ensure the stability of the LED advertising component during installation.
[0022] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the first adjustment component includes a hydraulic cylinder fixedly installed in the support component, the top of the hydraulic cylinder is fixedly connected to a bracket, the top of the bracket is provided with a sleeve hole, and the bottom side of the side wall of the LED advertising component is fixedly installed with a sleeve nail rotatably sleeved in the sleeve hole;
[0023] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the first adjustment component also includes a rotating pin fixedly mounted on the inner wall of the top end of the support component, and a rotating seat rotatably mounted in the rotating pin is fixedly mounted on the top side of the side wall of the LED advertising component;
[0024] Among them, the setting of the first adjustment component can adjust the rotation angle of the LED advertising component from the bottom side, and then can efficiently absorb and convert light at different angles according to needs, and it is also convenient to cooperate with each group of LED display screens to output advertising information at corresponding angles.
[0025] As a preferred solution of the LED advertising device based on the solar power generation system of the present invention, the second adjustment component includes a driving motor fixedly mounted on the outer wall of the top end of the supporting component, the outer end of the output shaft of the driving motor passes through the supporting component and is fixedly connected to the outer wall of the LED advertising component, the outer wall of the output shaft of the driving motor is fixedly sleeved on the inner side of the supporting component through a bearing ring, and the position between the supporting component and the LED advertising component relative to the second adjustment component is rotatably sleeved through a rotating seat and a rotating pin;
[0026] Among them, the setting of the second adjustment component can adjust the rotation angle of the LED advertising component from the top side, and then can efficiently absorb and convert light at different angles according to needs, and it is also convenient to cooperate with each group of LED display screens to output advertising information at corresponding angles.
[0027] The present invention provides an LED advertising device based on a solar power generation system. It has the following beneficial effects:
[0028] 1. The LED advertising device based on the solar power generation system can uniformly call out the solar panels from the outside through the arrangement of each group of LED advertising components and their internal conversion circuits to ensure the light absorption effect and the conversion efficiency of electric energy at the same time, and then call out each group of LED display screens to assemble into a huge advertising information, thereby ensuring the utilization efficiency of the solar power generation system by the advertising device, and solving the problem that the existing devices are difficult to efficiently absorb and convert solar energy according to demand and efficiently display advertising information;
[0029] 2. The LED advertising device based on the solar power generation system can adjust the inclination angle of the first adjusting component from the top side or the bottom side accordingly through the setting of the first adjusting component or the second adjusting component, thereby further increasing the absorption and conversion effect of light, and can also adjust the inclination angle of the advertising information assembled by each group of LED display screens thereon, thereby further increasing the transmission effect of the advertising information;
[0030] 3. The LED advertising device based on the solar power generation system has a set of conversion components, and each set of conversion components has a set of conversion circuits inside. When some components of one set of conversion components are damaged or there is a circuit failure, the specific obstacle location can be found immediately, so that maintenance personnel can operate and maintain it accurately and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 It is a structural schematic diagram of the present invention;
[0032] Figure 2 It is a schematic diagram of the structure of the support assembly of the present invention;
[0033] Figure 3 This is a schematic diagram of the structure of the LED advertising component of the present invention;
[0034] Figure 4 is a schematic structural diagram of the second adjustment component of the present invention;
[0035] Figure 5 This is a schematic diagram of the structure of the inner side of the LED advertising component of the present invention;
[0036] Figure 6 It is a structural schematic diagram of the conversion component of the present invention;
[0037] Figure 7 It is a schematic diagram of the structure of the inner side of the conversion assembly of the present invention;
[0038] Figure 8 It is a schematic diagram of the structure of the internal circuit components of the conversion component of the present invention;
[0039] Fig. 9 It is a structural schematic diagram of the internal circuit diagram of the conversion component of the present invention.
[0040] In the figure: 1. LED advertising component; 11. conversion component; 111. inner frame; 112. solar cell panel; 113. LED display screen; 114. battery holder; 115. first relay; 116. boost circuit; 117. second relay; 118. buck circuit; 119. controller; 12. top frame seat; 121. main gear plate; 122. auxiliary gear plate; 13. bottom plate; 14. side plate; 15. swivel seat; 16. sleeve nail; 17. stepper motor; 18. chuck; 19. receiving frame; 2. support component; 21. bottom frame; 22. side frame; 3. first adjustment component; 31. hydraulic cylinder; 32. bracket; 33. sleeve hole; 34. swivel nail; 4. second adjustment component. DETAILED DESCRIPTION
[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0042] See also Figure 1-9 The embodiment of the present invention provides a technical solution: an LED advertising device based on a solar power generation system, comprising an LED advertising component 1 and a supporting component 2 supporting the LED advertising component 1 at its bottom, and the supporting component 2 and the LED advertising component 1 are adjusted by a first adjusting component 3; the main body of the LED advertising component 1 is a conversion component 11, the top end of the conversion component 11 is assembled on the inner side of a top frame seat 12, a stepper motor 17 is fixedly mounted on the top of the top frame seat 12, a main gear disc 121 is fixedly mounted on the output shaft of the stepper motor 17, and a single set of conversion components 11 is fixedly connected to the bottom end of the main gear disc 121; the main body of the conversion component 11 is an inner frame 111 of a tripod frame, a V-shaped solar cell panel 112 is fixedly mounted on the outer wall of the inner frame 111, and an LED display screen 113 is fixedly mounted on the other surface of the inner frame 111, a conversion circuit connected to the solar cell panel 112 is assembled on the inner side of the inner frame 111, and the output end of the conversion circuit is electrically connected to the LED display screen 113;
[0043] Among them, the LED advertising device based on the solar power generation system, through the settings of each group of LED advertising components 1 and the internal conversion circuit, can uniformly call out the solar panel 112 from the outside to ensure the absorption effect of light and the conversion efficiency of electric energy at the same time, and then call out each group of LED display screens 113 to assemble into a huge advertising information, thereby ensuring the utilization efficiency of the solar power generation system by the advertising device, and solving the problem that the existing devices are difficult to efficiently absorb and convert solar energy according to needs and efficiently display advertising information.
[0044] Embodiment 2:
[0045] The conversion circuit includes a first relay 115 electrically connected to the solar cell panel 112, an outer end of the first relay 115 is electrically connected to a boost circuit 116, an output end of the boost circuit 116 is electrically connected to a second relay 117, an output end of the second relay 117 is electrically connected to a buck circuit 118, and an output end of the buck circuit 118 is electrically connected to an LED display screen 113; wherein, the arrangement of the first relay 115 and the boost circuit 116 can stably boost the electric energy absorbed and converted by the solar cell panel 112, and at the same time, the arrangement of the second relay 117 and the buck circuit 118 can buck the electric energy, thereby achieving stable voltage regulation of the electric energy and ensuring the subsequent storage of the electric energy in the battery holder 114.
[0046] The boost circuit 116 and the buck circuit 118 are electrically connected to a controller 119, the receiving frame 19 is connected to the control center via a Bluetooth module, and the output of the conversion circuit is electrically connected to a battery holder 114; wherein, the controller 119 is configured to transmit signals from the control center to each component, thereby realizing remote adjustment thereof, and the battery holder 114 is configured to store the converted electrical energy, thereby charging the LED display screen 113 and emitting a normal LED advertising signal.
[0047] A tripod-shaped receiving frame 19 is fixedly installed on the inner side of the inner frame 111, and a main gear disc 121 is fixedly connected to the top center of the receiving frame 19, and a relatively positioned auxiliary gear disc 122 is meshed on the outer side of the main gear disc 121; wherein, the setting of the controller 119 facilitates the fixed connection of the inner frame 111 to the bottom side of the main gear disc 121, and the inner frame 111 on the bottom side is driven to rotate by the stepper motor 17 through the main gear disc 121, so that the solar cell panel 112 or the LED display screen 113 on it faces the outside, thereby realizing the absorption and conversion of solar energy and the transmission of advertising information.
[0048] Among them, the LED advertising device based on the solar power generation system, through the setting of each group of conversion components 11, a group of conversion circuits are arranged on the inner side of each group of conversion components 11. When some components of one group of conversion components 11 are damaged or there is a circuit failure, the specific obstacle location can be found immediately, so that maintenance personnel can operate and maintain it accurately and efficiently.
[0049] Embodiment 3:
[0050] The LED advertising component 1 includes nine groups of arranged conversion components 11, each group of conversion components 11 is provided with a main gear disc 121 on the top, and the main gear discs 121 of adjacent conversion components 11 are meshed with each other through auxiliary gear discs 122; wherein, the arrangement of multiple groups of conversion components 11 can drive each group of conversion components 11 to rotate through a stepper motor 17, and then the solar cell panels 112 and LED display screens 113 thereon are respectively arranged on the outside, thereby absorbing and converting light energy, and efficiently outputting advertising information.
[0051] The LED advertising component 1 also includes a chuck 18 fixedly welded on the inner side of the bottom end of the conversion component 11, and the bottom side of the conversion component 11 is equipped with a bottom plate 13. The side edges of the bottom plate 13 and the side edges of the top frame seat 12 are welded through two sets of side plates 14, and a disc groove rotatably mounted on the bottom side of the chuck 18 is provided on the top surface of the bottom plate 13; wherein, the setting of the controller 119 can ensure the stability of the conversion component 11 when it is driven to rotate.
[0052] The support component 2 includes a base frame 21 and two sets of side frames 22 on the top side thereof, and hollow grooves are provided in the two sets of side frames 22; wherein, the setting of the support component 2 can support the LED advertising component 1 from the bottom side to ensure the stability of the LED advertising component 1 during installation.
[0053] The first adjusting component 3 includes a hydraulic cylinder 31 fixedly installed in the supporting component 2, the top of the hydraulic cylinder 31 is fixedly connected to a bracket 32, the top of the bracket 32 is provided with a sleeve hole 33, and the bottom side of the side wall of the LED advertising component 1 is fixedly installed with a sleeve nail 16 that is rotatably sleeved in the sleeve hole 33; the first adjusting component 3 also includes a rotating nail 34 fixedly installed on the inner wall of the top of the supporting component 2, and the top side of the side wall of the LED advertising component 1 is fixedly installed with a rotating seat 15 that is rotatably sleeved in the rotating nail 34; wherein, the setting of the first adjusting component 3 can adjust the rotation angle of the LED advertising component 1 from the bottom side, and then can efficiently absorb and convert light at different angles according to needs, and it is also convenient to cooperate with each group of LED display screens 113 to output advertising information at corresponding angles.
[0054] The second adjustment component 4 includes a driving motor fixedly mounted on the outer wall of the top end of the supporting component 2, the outer end of the output shaft of the driving motor passes through the supporting component 2 and is fixedly connected to the outer wall of the LED advertising component 1, the outer wall of the output shaft of the driving motor is fixedly sleeved on the inner side of the supporting component 2 through a bearing ring, and the position of the supporting component 2 and the LED advertising component 1 relative to the second adjustment component 4 is rotated and sleeved by a rotating seat 15 and a rotating pin 34; wherein, the setting of the second adjustment component 4 can adjust the rotation angle of the LED advertising component 1 from the top side, and then can efficiently absorb and convert light at different angles according to needs, and it is also convenient to cooperate with each group of LED display screens 113 to output advertising information at corresponding angles.
[0055] Among them, the LED advertising device based on the solar power generation system can adjust the inclination angle of the first adjustment component 3 from the top side or the bottom side through the setting of the first adjustment component 3 or the second adjustment component 4, thereby further increasing the absorption and conversion effect of light. At the same time, it can also adjust the inclination angle of the advertising information assembled by each group of LED display screens 113 thereon, thereby further increasing the transmission effect of the advertising information.
[0056] The working principle and use process of the present invention are as follows: when the device is required to work, the first adjustment component 3 or the second adjustment component 4 is selected to assemble the LED advertising component 1 and the support component 2, and the stepper motor 17 drives each group of conversion components 11 to rotate through the main gear plate 121, so that the solar cell panels 112 thereon are exposed to the outside, efficiently absorb solar energy, and use the components on the inside of the inner frame 111 to convert it into electrical energy and store it. When outputting advertising information, the stepper motor 17 drives the conversion component 11 to rotate, so that the LED display screen 113 on its outside is assembled into a huge advertisement to ensure the output effect of the advertisement. Finally, the first adjustment component 3 or the second adjustment component 4 adjusts the inclination angle of the LED advertising component 1 to ensure the conversion effect of solar energy and the transmission efficiency of advertising information.
[0057] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0058] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. An LED advertising device based on a solar power generation system, characterized in that: It comprises an LED advertising component (1) and a support component (2) for supporting the LED advertising component on its bottom side, and the support component (2) and the LED advertising component (1) are adjusted via a first adjustment component (3); The main body of the LED advertising component (1) is a conversion component (11), the top end of the conversion component (11) is mounted on the inner side of a top frame seat (12), a stepper motor (17) is fixedly mounted on the top of the top frame seat (12), a main gear disc (121) is fixedly mounted on the output shaft of the stepper motor (17), and a single conversion component (11) is fixedly connected to the bottom end of the main gear disc (121); The main body of the conversion assembly (11) is an inner frame (111) of a tripod frame, a V-shaped solar cell panel (112) is fixedly mounted on the outer wall of the inner frame (111), and an LED display screen (113) is fixedly mounted on the other surface of the inner frame (111), a conversion circuit connected to the solar cell panel (112) is mounted on the inner side of the inner frame (111), and an output end of the conversion circuit is electrically connected to the LED display screen (113).
2. The LED advertising device based on the solar power generation system according to claim 1, characterized in that: The conversion circuit comprises a first relay (115) electrically connected to the solar cell panel (112); an outer end of the first relay (115) is electrically connected to a boost circuit (116); an output end of the boost circuit (116) is electrically connected to a second relay (117); an output end of the second relay (117) is electrically connected to a buck circuit (118); and an output end of the buck circuit (118) is electrically connected to an LED display screen (113).
3. The LED advertising device based on the solar power generation system according to claim 2, characterized in that: The boost circuit (116) and the buck circuit (118) are electrically connected to a controller (119), the receiving frame (19) is connected to a control console via a Bluetooth module, and the output of the conversion circuit is electrically connected to a battery holder (114).
4. The LED advertising device based on a solar power generation system according to claim 1, characterized in that: A tripod-shaped receiving frame (19) is fixedly installed on the inner side of the inner frame (111), a main toothed disc (121) is fixedly connected to the top center of the receiving frame (19), and a corresponding auxiliary toothed disc (122) is meshed on the outer side of the main toothed disc (121).
5. The LED advertising device based on the solar power generation system according to claim 4, characterized in that: The LED advertising component (1) comprises nine groups of conversion components (11) arranged in an arranged manner, a main toothed disc (121) is arranged on the top of each group of the conversion components (11), and the main toothed discs (121) of adjacent conversion components (11) are meshed with each other via auxiliary toothed discs (122).
6. The LED advertising device based on a solar power generation system according to claim 1, characterized in that: The LED advertising component (1) also includes a chuck (18) fixedly welded to the inner side of the bottom end of the conversion component (11); the bottom side of the conversion component (11) is equipped with a bottom plate (13); the side edges of the bottom plate (13) and the side edges of the top frame seat (12) are welded via two sets of side plates (14); and a disc groove is provided on the top surface of the bottom plate (13) and is rotatably mounted on the bottom side of the chuck (18).
7. The LED advertising device based on a solar power generation system according to claim 1, characterized in that: The support assembly (2) comprises a base frame (21) and two groups of side frames (22) on the top side thereof, and hollow grooves are provided in the two groups of side frames (22).
8. The LED advertising device based on a solar power generation system according to claim 1, characterized in that: The first adjustment component (3) comprises a hydraulic cylinder (31) fixedly mounted in the support component (2); the top end of the hydraulic cylinder (31) is fixedly connected to a bracket (32); the top end of the bracket (32) is provided with a sleeve hole (33); and a sleeve nail (16) rotatably sleeved in the sleeve hole (33) is fixedly mounted on the bottom side of the side wall of the LED advertising component (1).
9. The LED advertising device based on the solar power generation system according to claim 8, characterized in that: The first adjustment component (3) also includes a rotating pin (34) fixedly mounted on the inner wall of the top end of the support component (2), and a rotating seat (15) rotatably mounted in the rotating pin (34) is fixedly mounted on the top side of the side wall of the LED advertising component (1).
10. The LED advertising device based on a solar power generation system according to claim 1, characterized in that: The second adjustment component (4) comprises a drive motor fixedly mounted on the outer wall of the top end of the support component (2); the outer end of the output shaft of the drive motor passes through the support component (2) and is fixedly connected to the outer wall of the LED advertising component (1); the outer wall of the output shaft of the drive motor is fixedly sleeved on the inner side of the support component (2) via a bearing ring; and the position of the support component (2) and the LED advertising component (1) relative to the second adjustment component (4) is rotatably sleeved via a swivel seat (15) and a swivel pin (34).
Citation Information
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