一种低功耗太阳能电子显示牌
By using low-power solar-powered electronic display boards, which utilize solar energy and vibration energy as the main and auxiliary power sources, the problem of traditional electronic license plates relying on the power supply of the vehicle compartment is solved. This results in low-power, all-weather information display and long-life electronic display boards suitable for transportation vehicles such as trains.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU AORUITU PHOTOELECTRIC TECH CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing electronic license plates rely on power supply from the vehicle compartment, increasing the burden on the vehicle's electrical system and the costs of maintenance and energy consumption.
Design a low-power solar-powered electronic display board, which adopts flexible solar panels, flexible vibration energy storage sensor arrays and flexible graphene cells. It uses solar energy and vibration energy as the main and auxiliary power sources, combined with a low-power e-ink screen and a low-power microcontroller, to achieve independent power supply and ultra-low power operation.
It significantly reduces energy consumption, extends equipment lifespan, lowers maintenance costs, is highly adaptable to various environments, is suitable for multiple modes of transportation, and enables all-weather information display.
Smart Images
Figure CN224519468U_ABST
Abstract
Claims
1. A low power solar powered electronic signboard, characterized by, The display board includes, from top to bottom, a flexible diffraction grating film (1), a low-power e-ink screen (2) on the same layer, a flexible solar panel (3), a PCB board (4), a flexible graphene battery cell (5), and a flexible vibration energy storage sensor array (6). The flexible solar panel (3) is used to collect solar energy and convert it into electrical energy. The electrical energy output by the flexible solar panel (3) and the electrical energy output by the flexible vibration energy storage sensor array (6) are both connected to the electrical signal input terminal of the flexible graphene battery cell (5). The electrical signal output terminal of the flexible graphene battery cell (5) is also connected to the electrical signal input terminal of the low-power e-ink screen (2) and the electrical signal input terminal of the low-power microcontroller (4-1) on the PCB board (4). The low-power microcontroller (4-1) on the PCB board (4) receives the display control signal through the external interface module. The display control signal output terminal of the low-power microcontroller (4-1) on the PCB board (4) is connected to the display control signal input terminal of the low-power e-ink screen (2).
2. A low power solar powered electronic sign according to claim 1 wherein, The PCB board (4) also includes a power management module (4-2). The power management module (4-2) is used to control the flexible solar panel (3) to send electrical energy to the flexible graphene cell (5) or to control the flexible vibration energy storage sensor array (6) to send electrical energy to the flexible graphene cell (5) or to control the flexible solar panel (3) and the flexible vibration energy storage sensor array (6) to send electrical energy to the flexible graphene cell (5) at the same time.
3. A low power consumption solar powered electronic signboard as claimed in claim 1 wherein, The low-power microcontroller (4-1) is model STM32.
4. A low power consumption solar powered electronic signboard as claimed in claim 1 wherein, The PCB board (4), flexible graphene battery cell (5), and flexible vibration energy storage sensor array (6) are all the same size.
5. A low power consumption solar electronic sign according to claim 1, wherein, There are various types of external interface modules, including Bluetooth modules, wireless network modules, and mobile phone GSM modules.
6. A low power consumption solar powered electronic sign according to claim 1, wherein, The display board also includes a flexible waterproof transparent layer (7); A flexible waterproof transparent layer (7) is wrapped around the flexible solar panel (3), the flexible diffraction grating film (1), the flexible vibration energy storage sensor array (6), the flexible graphene battery (5), the PCB board (4), and the low-power e-ink screen (2).