PCB Assembly For Household Cooling Fan

 

Household cooling fan mainly adopts the principle of evaporative cooling, with water as the cooling medium, when the air passes through the wet cooling curtain, the water evaporates and absorbs the heat, thus reducing the air temperature, and the cooled air is then blown out through the fan to achieve the effect of cooling. PCB Assembly for household cooling fan is an important control components. The househol cooling fan is a machine with a cooling effect composed of a special paper corrugated honeycomb wet curtain with a large surface area, a high-efficiency energy-saving fan, a water circulation system, a float valve, a water replenishment device, casing, and electrical components.

 

Input Voltage: 110V/220V AC (configurable)

Motor Compatibility: Brushless DC (BLDC) or AC induction motors

Control Interface: Push-button, remote (IR/RF), or smart home integration (Wi-Fi/BLE optional)

Protection Features: Overcurrent, overvoltage, and thermal shutdown

PCB Layers: 2-layer or 4-layer (based on complexity)

Certifications: RoHS, CE, UL (upon request)

 

 

 

A home air cooler's PCBA (Printed Circuit Board Assembly) is the central control unit that oversees and performs a number of tasks. It manages the remote control, timer features, motor operation, and fan speed adjustment. PCB assembly for household cooling fan is connected to temperature and water level sensors, which allow it to continuously monitor the outside temperature and the level of the water tank. It can also automatically change the working mode, alert the user when water needs to be added, and shut down. The PCBA provides an easy-to-use user interface by displaying fan speed, temperature, and other data through the LED display and indicator lights. Overheating and overload protection are examples of safety features that guard against gadget harm. The PCBAs of many sophisticated models have Bluetooth or Wi-Fi modules, enabling smart administration and remote control, improving user experience and device dependability.

 

 

BQC is a leading PCBA (Printed Circuit Board Assembly) manufacturer and EMS (Electronics Manufacturing Services) provider headquartered in Shenzhen, China. Since its founding in 2003, BQC has grown into a trusted partner for global clients, offering end-to-end solutions from design support and component sourcing to full-turnkey manufacturing and testing.

With 22 years of industry expertise, BQC specializes in high-quality, cost-effective PCBA production, serving industries such as automotive, medical, industrial control, consumer electronics, and IoT. The company holds multiple certifications, including IATF 16949 (automotive), ISO 13485 (medical), ISO 9001, and ISO 14001, ensuring compliance with international quality and environmental standards.

 

Key Strengths & Services

Comprehensive Manufacturing Capabilities

PCB Assembly (SMT/DIP/THT)

Full product integration: Mold design, shell assembly, testing, and packaging.

Flexible production: Supports prototypes, small batches, and mass production with quick turnaround.

Cost & Supply Chain Optimization

Component substitution expertise: Reduces costs by up to 30% while maintaining performance.

Priority partnerships with top-tier suppliers (ST, NXP, TI, ADI, Microchip, etc.), ensuring stable supply and competitive pricing.

Automated Testing & Quality Control

Custom automated programming & functional testing solutions to improve yield and reliability.

Strict IQC, IPQC, OQC processes to guarantee defect-free delivery.

 

Global Production Footprint

✅ Shenzhen Factory (Headquarters)

15,000 sq.m facility with 22 SMT lines, 4 DIP lines, and full testing/assembly capabilities.

High-mix, high-volume production for global markets.

✅ Malaysia Factory (BQC TECH) – Tariff Advantage for U.S. Customers

6,000 sq.m facility with 4 SMT lines, 1 DIP line, and testing equipment.

Helps clients save up to 35% in U.S. tariffs compared to China-direct shipments.

Scalable capacity to meet growing demand.

 

Why Choose BQC?

✔ 22+ years of EMS experience with a focus on quality, efficiency, and cost savings.
✔ One-stop solution from design to delivery, reducing supplier complexity.
✔ Strong R&D support for faster time-to-market and design-for-manufacturability (DFM).
✔ Transparent pricing & responsive service with dedicated project management.

 

 

 

 

 

 

 

Q: What is the smallest component package size you can produce?
A: Our SMT production line supports:

Minimum placement size: 0201 package (0.25mm × 0.125mm)

Fine-pitch ICs: 0.3mm pitch BGA/QFN

Stencil thickness: 0.08mm–0.15mm (optimized based on component type)

 

Q: How do you ensure soldering reliability?
A: We implement a three-tier quality assurance system:

Process Control:

Nitrogen reflow soldering (oxygen content <500ppm)

3D SPI (Solder Paste Inspection) for height/volume/offset measurement

Testing Solutions:

Flying probe testing (small batches) / ICT testing (mass production)

Functional testing (FCT) simulating real-world operating conditions

Compliance Standards: IPC-A-610 Class 2/3 acceptance criteria

 

Q: Do you provide component procurement services?
A: Yes, we offer full-turnkey supply chain solutions:

In-house component inventory: Pre-stocked parts (TI, Murata, Samsung, etc.)

BOM sourcing: Direct partnerships with authorized distributors (Digi-Key, Arrow, etc.)

Risk management:

Alternative component recommendations (for EOL parts)

Batch traceability (MSD moisture-sensitive component control)

 

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