Wireless control information board system capable of supplying alternating current and direct current

By adopting a system design with AC/DC dual power supply mode and wireless control, the problem of unstable power supply to the tunnel entrance information board has been solved, achieving stable and reliable power supply and information dissemination, which is suitable for scenarios such as traffic information display and advertising.

CN223842589UActive Publication Date: 2026-01-27YUNNAN CAPITAL RESOURCES DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520346564.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The existing power supply system for information boards lacks stability and flexibility in complex environments such as tunnels, making it difficult to meet the needs of diverse application scenarios. In particular, power supply failures at tunnel entrances can easily lead to traffic hazards.

Method used

It adopts a dual AC/DC power supply mode, combined with wireless control and multi-protocol communication, and is equipped with AC/DC detection circuits, batteries and solar panels to achieve rapid power switching and stable power supply. It also features a flip-top design and a waterproof and corrosion-resistant display module, which enhances the stability and flexibility of the system.

Benefits of technology

Ensuring the information board operates continuously and normally under different power supply conditions improves the stability and reliability of power supply, guarantees the timely and accurate release of traffic information, and enhances the system's installation stability and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of intelligent display equipment, and particularly discloses a wireless control AC / DC power supply information board system which comprises an information board box body and a stand column, and the information board box body is further provided with a plurality of display screen modules, a main control card, a detection card, a switching power supply, an AC switching power supply, a storage battery, a solar panel and an antenna. The stand column is provided with an emergency button, the main control card is electrically connected with the storage battery, the switching power supply, the main control card and the emergency button, and the display screen module is electrically connected with the main control card. The information board system adopts an alternating-current and direct-current dual power supply mode, provides multiple guarantees for the use field of the information board, can be quickly switched to the direct-current power supply mode, ensures continuous and normal work of the information board, provides timely and accurate traffic information guidance for passing vehicles and pedestrians, powerfully guarantees the safety and smoothness of traffic at a tunnel portal, and improves the traffic safety. And a new development path is opened up for the application of the information board technology in a complex scene.
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Description

Technical Field

[0001] This utility model belongs to the field of intelligent display equipment technology, specifically relating to an information board system that supports AC / DC power supply switching, wireless remote control and local debugging, and is suitable for scenarios such as traffic information display, advertising, and public facility guidance. Background Technology

[0002] Currently, most information boards use ordinary LED display technology. As a system integration engineering application, LED display integrates a variety of modern engineering technologies such as computer technology, electronic technology, optical technology, electrical technology and structural technology.

[0003] In existing technologies, the power supply systems for commonly used information boards typically employ AC power or solar power. However, these power supply methods are significantly limited by application scenarios and requirements. With continuous societal development, the application scenarios for information boards are becoming increasingly widespread and diversified, leading to rising demands for their power supply. Especially in the unique environment of tunnel entrances, the importance of information boards is becoming increasingly prominent, placing more stringent requirements on the stability, reliability, and flexibility of their power supply. Tunnels are dimly lit and have complex environments; a power failure could lead to serious traffic hazards. Conventional power supply methods are gradually revealing their limitations in dealing with such complex, variable, and demanding scenarios.

[0004] Therefore, it is urgent to develop an information board system that can adopt both AC and DC power supply modes to ensure the stability, reliability and flexibility of power supply. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and disclose a wirelessly controlled information board system that can be powered by both AC and DC. This information board system adopts a dual AC and DC power supply mode, providing "double insurance" for the information board. Whether near a tunnel entrance with stable mains power or in an emergency where the mains power supply is unstable or a sudden power outage occurs, it can quickly switch to DC power supply mode to ensure the continuous normal operation of the information board. This provides timely and accurate traffic information guidance for passing vehicles and pedestrians, effectively ensuring the safety and smooth flow of traffic at the tunnel entrance, and also opening up a new development path for the application of information board technology in complex scenarios.

[0006] To achieve the above-mentioned technical objectives, this utility model is implemented according to the following technical solution:

[0007] The present invention relates to a wirelessly controlled information board system capable of AC / DC power supply, characterized in that: it includes an information board housing and a column; the information board housing is further provided with several display screen modules, a main control card, a detection card, an AC switching power supply, a battery, a solar panel, and an antenna; the column is provided with an emergency button; the main control card is electrically connected to the battery, the switching power supply, and the emergency button; and the display screen modules are electrically connected to the main control card.

[0008] As a further improvement to the above technology, the main control card includes:

[0009] Wireless receiving and communication module: Supports parallel operation of multiple protocols including 4G / 5G, LoRa, and Wi-Fi to achieve low-latency command reception;

[0010] Display control module: physical buttons / touch screen, supports mode switching, such as energy saving mode, emergency alarm mode, etc.;

[0011] Signal processing unit: used to parse remote commands or sensor data, and generate display content and power scheduling commands.

[0012] As a further improvement to the above technology, the detection card includes:

[0013] AC / DC dual detection circuit: Real-time monitoring of mains voltage, battery power, and solar input power;

[0014] Emergency signal monitoring module: to identify power fluctuations, short circuit anomalies and trigger alarms.

[0015] As a further improvement to the above technology, the information board box adopts a flip-top design, and the bottom of the information board box is fixed to the column with bolts.

[0016] As a further improvement to the above technology, the display module is composed of multiple LED or LCD information board display screens spliced ​​together to support dynamic content display.

[0017] As a further improvement to the above technology, the display module is installed on the cabinet cover plate, and its lamp surface is waterproofed by potting glue, while the back is designed with three-proof paint, dustproof and corrosion-proof.

[0018] As a further improvement to the above technology, the solar panel is mounted on the information board box via a vertical universal bracket and charges the battery via an MPPT controller.

[0019] As a further improvement to the above technology, the emergency button is fixedly installed at a position 1 meter away from the bottom of the column and is designed to be waterproof.

[0020] As a further improvement to the above technology, the battery is fixedly installed at the bottom of the information board box and has a charge saturation detection function, which can seamlessly switch to DC power supply under the control of the detection card.

[0021] As a further improvement to the above technology, the AC switching power supply has an AC / DC conversion function, which improves conversion efficiency, reduces energy consumption, and ensures stable and reliable power supply.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] (1) The information board system described in this utility model adopts a unique flip-top design for the information board box, which not only optimizes the internal space layout and facilitates the reasonable placement of each component, but also securely connects to the column through bottom bolts. This design not only enhances the overall stability, but also optimizes the installation space to a certain extent, making subsequent maintenance operations easier.

[0024] (2) The information board system described in this utility model uses a waterproof process for the display module, which can effectively resist rainwater erosion; the back is coated with a three-proof paint, which provides all-round dust and corrosion protection. In addition, it is installed on the cover plate of the cabinet, which enables convenient front maintenance, greatly shortens the maintenance time, and improves work efficiency.

[0025] (3) In addition to having wireless receiving, display control and local signal processing functions, the main control card of the information board system described in this utility model further optimizes the algorithm to improve the speed and accuracy of signal processing and ensure that information is displayed quickly and clearly.

[0026] (4) The design improvement of the detection card in the information board system described in this utility model is particularly important. It enhances the dual detection characteristics of AC and DC power, and can monitor the power supply status in real time and accurately. At the same time, the emergency signal monitoring function is more sensitive, and can respond quickly once an abnormality occurs.

[0027] (5) In the information board system described in this utility model, the solar panel is fixed by a vertical universal bracket and can be flexibly adjusted at multiple angles. This allows the system to absorb solar energy to the maximum extent under different geographical environments and lighting conditions, thus supplementing the system's energy.

[0028] (6) The emergency button of the information board system described in this utility model has excellent waterproof function and is fixedly installed at a distance of 1 meter from the bottom of the column. This height is not only ergonomic and easy to operate, but also ensures that signals can be transmitted quickly in an emergency.

[0029] (7) The information board system described in this utility model has a battery with a charge saturation detection function, which is fixed at the bottom of the box. This not only ensures safety but also allows for real-time monitoring of the charging status, extending the service life and ensuring that the display screen can work normally for more than 8 hours without AC power. It has a long battery life and high work efficiency. Attached Figure Description

[0030] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments:

[0031] Figure 1 This is a front perspective view of the information board system described in this utility model;

[0032] Figure 2 This is a three-dimensional view of the back of the information board system described in this utility model;

[0033] Figure 3 This is a partial three-dimensional front view of the information board system described in this utility model;

[0034] Figure 4 This is a schematic diagram of the interior of the information board system housing described in this utility model;

[0035] Figure 5 This is a schematic diagram of the housing frame of the information board system described in this utility model;

[0036] Figure 6 This is a schematic diagram of the information board system module described in this utility model;

[0037] Figure 7 This is a connection diagram of the control system of the information board system described in this utility model. Detailed Implementation

[0038] like Figures 1 to 7 As shown, the present invention discloses a wirelessly controlled information board system that can be powered by AC or DC, comprising an information board housing 1 and a column 10. The information board housing 1 is further provided with several display screen modules 2, a main control card 3, a detection card 4, an AC switching power supply 5, a storage battery 6, a solar panel 7, and an antenna 8. The column 10 is provided with an emergency button 20. The main control card 3 is electrically connected to the storage battery 6, the AC switching power supply 5, and the emergency button 20. The display screen modules 2 are electrically connected to the main control card 3.

[0039] In this utility model, the main control card 3 includes: a wireless receiving and communication module: supporting 4G / 5G, LoRa, Wi-Fi multi-protocol parallel operation to achieve low-latency command reception; a display control module: physical buttons / touch screen, supporting mode switching, such as energy-saving mode, emergency alarm mode, etc.; and a signal processing unit: used to parse remote commands or sensor data, and generate display content and power scheduling commands.

[0040] The detection card 4 includes: an AC / DC dual detection circuit for real-time monitoring of mains voltage, battery 6 power, and solar input power; and an emergency signal monitoring module for identifying power fluctuations, short circuits, and triggering alarms.

[0041] like Figure 5 As shown, the information box body 1 includes a box cover 11 and an information board frame 12, wherein the cover 11 adopts a flip-top design, and the bottom of the information board box body 1 is fixed to the column 10 by bolts.

[0042] like Figure 1 , Figure 3 , Figure 6 As shown, the display module 2 is composed of multiple LED or LCD information board display screens spliced ​​together to support the display of dynamic content information. The display module 2 is installed on the cabinet cover plate 11, and it is waterproofed by potting glue on the lamp surface, and the back is designed with three-proof paint, dustproof and corrosion-proof.

[0043] like Figure 1 , Figure 2 As shown, the solar panel 7 is mounted on the information board box 1 via a vertical universal bracket 30 and charges the battery 6 via an MPPT controller.

[0044] In this utility model, the emergency button 20 is fixedly installed at a position 1 meter away from the bottom of the column 10 and is waterproof. This design is both ergonomic and easy to operate, and ensures that signals can be transmitted quickly in an emergency.

[0045] In this invention, the storage battery 6 is fixedly installed at the bottom of the information board box 1 and has a charge saturation detection function. Under the control of the detection card 4, it seamlessly switches to DC power supply. The AC switching power supply 5 has an AC / DC conversion function, which improves conversion efficiency, reduces energy consumption, and ensures stable and reliable power supply.

[0046] The information board system described in this utility model, under normal 220V AC power supply, displays normal signals on the information board detection card 4 and the main control card 3 displays information published by the platform. However, when there is a power outage in the tunnel and AC power supply is unavailable, the information board system automatically switches to DC power supply mode, and the main control card 3 simultaneously switches the display content and feeds back the power outage status to the platform to promptly notify the staff for handling.

Claims

1. A wirelessly controlled information board system capable of AC / DC power supply, characterized in that: The system includes an information board housing and a column. The information board housing is also equipped with several display screen modules, a main control card, a detection card, a switching power supply, an AC switching power supply, a battery, a solar panel, and an antenna. The column is equipped with an emergency button. The main control card is electrically connected to the battery, the switching power supply, the main control card, and the emergency button. The display screen modules are electrically connected to the main control card. The information board box adopts a flip-top design, and the bottom of the information board box is fixed to the column with bolts.

2. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The main control card includes: Wireless receiving and communication module: Supports parallel operation of multiple protocols including 4G / 5G, LoRa, and Wi-Fi to achieve low-latency command reception; Display control module: physical buttons / touchscreen, supports mode switching; Signal processing unit: used to parse remote commands or sensor data, and generate display content and power scheduling commands.

3. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The detection card includes, AC / DC dual detection circuit: Real-time monitoring of mains voltage, battery power, and solar input power; Emergency signal monitoring module: to identify power fluctuations, short circuit anomalies and trigger alarms.

4. The wirelessly controlled AC / DC powered information board system according to claim 3, characterized in that: The display module is composed of multiple LED or LCD information board displays spliced ​​together to support dynamic content display.

5. The wirelessly controlled AC / DC powered information board system according to claim 4, characterized in that: The display module is installed on the cabinet cover plate. It is waterproofed by potting glue on the lamp surface and the back is designed with three-proof paint, dustproof and corrosion-proof.

6. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The solar panel is mounted on the information board housing via a vertical universal bracket and charges the battery via an MPPT controller.

7. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The emergency button is fixedly installed 1 meter away from the bottom of the column and is waterproof.

8. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The battery is fixedly installed at the bottom of the information board box and has a charge saturation detection function. Under the control of the detection card, it can seamlessly switch to DC power supply.

9. The wirelessly controlled AC / DC powered information board system according to claim 1, characterized in that: The AC switching power supply has AC / DC conversion function.