Table of Contents
Introduction: The Convergence Challenge
In the early 2000s, portable appliances were singular tools. You had a flashlight for darkness, and a fan for heat. They were heavy, inefficient, and relied on disposable batteries.
At DP Light, our R&D division asked a fundamental question: In an era of climate change and unstable power grids, how can we provide the two most essential human needs—Light and Air—in a single, energy-efficient unit?
The answer wasn’t just to “glue a light onto a fan.” It required a complete rethinking of energy management and aerodynamics. This is the story behind the development of our flagship “Air-Light” Ecosystem, best exemplified by the DP-7646 Mobile Ceiling Fan.
1. The Physics of “Dual-Load” Energy Management
The biggest engineering hurdle in creating a hybrid device is Energy Density. A fan motor is a high-drain load; an LED panel is a continuous-drain load. Running both simultaneously usually drains standard batteries in under 2 hours.
To break this barrier, our engineers moved away from traditional configurations and adopted Automotive-Grade Energy Solutions:
The Power Plant: We integrated High-Density Lithium-Ion Arrays into our hanging series. This is not standard consumer electronics capacity; this is power station territory.
The BMS (Battery Management System): We developed a proprietary chip that dynamically balances the voltage between the motor and the LEDs. This ensures that even as the battery dips below 20%, the light remains flicker-free and the fan speed remains constant.
2. Aerodynamics: Silence by Design
A hanging fan faces a unique challenge: Vibration. If a fan hangs from a tent ceiling or a dorm bunk, any motor imbalance creates noise and shaking.
We applied Fluid Dynamic principles to our blade design:
Brushless DC Motor (BLDC): Unlike traditional brushed motors that create friction (and heat), our magnetic brushless drive is frictionless. This increases energy efficiency by 40% and reduces operational noise to near-silent levels (<30dB).
Curved Blade Geometry: The blades are calibrated to maximize airflow (CFM) while minimizing drag. This allows the unit to cool a 10-square-meter space instantly without the “chopping” sound of cheap plastic fans.
3. Human-Centric Innovation: The “Remote” Lifestyle
Technology is only meaningful if it improves the user’s quality of life.
Our user research in Southeast Asia and Africa revealed a common pain point: Inconvenience. Users hang fans high up for better circulation, but then cannot reach the controls.
We integrated a 2.4G Wireless Control Module across the series, allowing users to control their environment from their bed or sleeping bag. It transforms the device from a “tool” into a smart home appliance.
4. Sustainability and The Future
We believe the future of electronics is Rechargeable, Durable, and Multi-functional.
Every “Air-Light” unit replaces dozens of disposable batteries and eliminates the need for purchasing separate plastic housings for lights and fans. By consolidating functions, we reduce manufacturing waste and carbon footprint.
Technical Specifications: The Engineering Standard
| Component | Engineering Standard | User Benefit |
| Core | Brushless Silent Motor | 40% more efficient, whisper-quiet operation. |
| Energy | High-Density Li-ion Matrix | Extended duration for overnight cooling. |
| Optics | Diffused Eye-Care LED | Soft, non-glare illumination for reading. |
| Material | Impact-Resistant ABS | Durable enough for outdoor expeditions. |
Conclusion: More Than a Product
The “Air-Light” series is not just a fan. It is a testament to DP Light’s commitment to engineering excellence. It represents our vision of a world where comfort is portable, sustainable, and accessible to everyone, everywhere.
Discover the Future of Portable Technology.
Explore Our R&D Capabilities View the Fan Series more.
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FAQ
Are you a manufacturer or trading company?
We are DP group, listed company and high-tech enterprise in China, with 4 factories of intelligent manufacturing covering 350,000 square meters. We specialize in LED flashlight, emergency lighting, and other lighting products for over 20 years.
How do you control the products quality?
We will check the products one by one before the bulk packing.
What is your method of payment?
Various payment methods are available, including via PayPal, Visa, MasterCard, Alibaba Trade Assurance and T/T.
30% deposit upon confirmation of the order, 70% balance before shipment or at sight of B/L Copy.
How long does it take to manufacture once an order has been placed?
lt depends on the volume of the order. For most online wholesales orders, we ship within 7 days after we receive the payment.
Is it possible to put our logo on your product or packaging?
Of course, we have a factory that welcome to customize such as your brand, logo, color, product manual, packaging and so on.
Can I come to China to visit your factory?
Welcome to visit our factory in Zhaoqing City, Guangdong, China, and our office in Guangzhou City, Guangdong, China.
