Prezentare generală a produsului: A Precision-Engineered Control Core for Hair Curlers
The hair curler PCB circuit board serves as the essential control component in modern hair styling devices. It manages temperature precision, distribuția puterii, and safety protection functions. UGPCB offers this professional-grade hair curler printed circuit board with high-standard industrial design and manufacturing processes. It delivers a stable and reliable electronic control solution for various hair styling equipment.
This hair curler PCBA core board measures 76.82 × 13.6 mm. Se foloseste FR-4 rigid glass-epoxy laminate material. FR-4 is an internationally recognized flame-retardant epoxy glass cloth laminate. Its flame retardancy meets Ul 94 V-0 Standarde. This requires the material to self-extinguish within 10 seconds during vertical burn testing. It must also produce no flaming drips that ignite cotton. This provides fundamental safety assurance for hair curlers operating under high-power heating conditions. The material has a temperatura de tranziție sticloasă (TG) de 130–140°C. This ensures effective resistance to thermal stress during hair curler operation.
The product uses a2-layer double-sided Proiectare de bord. Board thickness is1.0 mm. Copper foil thickness is1/1 Oz (aproximativ 35 μm per layer). Minimum aperture is0.32 mm. Line width and spacing are0.3 mm și 0.41 mm respectiv. Surface treatment usesOSP (Conservanți organici de lipit) antioxidant termina. Solder mask isnegru cualb silkscreen characters. This delivers a clean and professional appearance.
This hair curler circuit board is now available on the Site-ul oficial al UGPCB. It suits intelligent hair curlers, straightening-curling combo devices, and other hair styling equipment.

Definiția produsului: What Is a Hair Curler PCB?
O hair curler PCB (Placă de circuit tipărită) is the core electronic component inside a hair curler. It provides electrical connections, transmiterea semnalului, and functional control. The board connects power input, main control chips, temperature sensors, heating elements, and display modules through conductive traces. Aceste componente form a complete functional system.
From a technical perspective, this is a consumer-grade rigid double-sided printed circuit board. It falls under the rigid printed board category defined in IPC-6012. Sub IPC product class classification, acest hair curler PCB belongs to Clasă 2 (Servicii dedicate Produse electronice). This classification applies to consumer devices requiring continuous operation and extended service life.
Acestplacă de circuit pentru ondulatorul de păr integrates four core functional modules through precision circuit design:
- Power input circuit: Converts external power (AC 110V/220V or DC battery) to the operating voltage required by the device.
- Power management circuit: Regulates, filtre, and distributes power to ensure stable operation of each module.
- Main control circuit: Includes the main control chip, charging detection circuit, and battery temperature detection circuit.
- Heating wire control circuit: Precisely controls heating element power on/off to achieve temperature regulation.
In terms of product form, acesthair curler PCB is supplied as a bare board (without PCBA assembly). Customers can perform their own component mounting and functional customization based on specific product requirements.
Repere de proiectare: Precision Calculation and Engineering Expertise
Compact Dimensions with High-Density Routing
Acesthair curler PCB board measures just76.82 × 13.6 mm. This long and narrow space must accommodate complete power management, main control, and heating control circuits. Design engineers face significant high-density routing challenges. The precision parameters—minimum aperture0.32 mm, lățime/spațiere a liniilor0.3/0.41 mm—enable reliable trace routing within the limited board area.
PeIPC-2221 (Standard generic pentru designul plăcii imprimate), designers must consider electrical clearance (creepage distance), controlul impedanței, si managementul termic. The 0.32 mm minimum aperture ensures reliable plated-through holes while leaving sufficient space for high-density routing.
Proiectare management termic
Hair curlers generate heating element temperatures ranging from 80°C to 200°C during operation. The PCB sits close to the heat source as the control board. It must demonstrate excellent heat resistance. The FR-4 material choice (Tg 130–140°C) şi 1.0 mm board thickness maintain mechanical strength while optimizing thermal dissipation paths.
Proiectare de performanță electrică
The1/1 Oz copper foil thickness (aproximativ 35 μm per layer) ensures sufficient current-carrying capacity. Per IPC-2221 current-carrying calculation standards, 1 OZ copper can carry approximately 1–1.5 A per millimeter of trace width at a 10°C temperature rise. The 0.3 mm trace width combined with 1 OZ copper thickness adequately meets the current requirements of hair curler heating control circuits.
Selectarea finisajului suprafeței
OSP (Conservanți organici de lipit) antioxidant surface treatment is selected with an OSP film thickness of0.2–0.5 μm. This choice is based on several key considerations:
- Avantaj de cost: OSP offers lower cost, suitable for high-volume consumer electronics production.
- Planeitate excelentă a suprafeței: OSP-treated pads provide a very flat surface, ideal for SMT assembly.
- Ecologic: OSP contains no lead or other hazardous substances, meeting RoHS requirements.
- Lipibilitate bună: The OSP protective film is quickly removed by flux at soldering temperatures, ensuring quality solder joints.
It is worth noting that OSP-finished PCBs should be assembledîn 8 la 24 ore of unpacking to prevent copper surface oxidation. Customers should coordinate their production schedules accordingly.
Principiul de lucru: From Power Input to Precision Temperature Control
System Workflow
The overall working principle of thishair curler control circuit follows five steps:
Pas 1: Power Input and Conversion. External power (AC 110V/220V or built-in lithium battery) enters the PCB through the power input circuit. The power management circuit rectifies, filtre, and regulates the voltage. It then supplies the required operating voltage to each module.
Pas 2: Temperature Setting and Signal Acquisition. Users set the desired temperature (80–200°C adjustable) via buttons or knobs. Între timp, the on-boardNTC thermistor temperature detection circuit monitors the heating element temperature in real time. It converts temperature signals into electrical signals and feeds them back to the main control chip.
Pas 3: Main Control Chip Computation and Decision. MCU (Unitate de microcontroler) receives both the set temperature value and the real-time temperature feedback. It performs calculations using a PID (Proportional-Integral-Derivative) control algorithm or a simplified temperature control logic. It determines the deviation between current and target temperatures.
Pas 4: PWM Drive Output. The MCU outputs PWM (Modularea lățimii pulsului) signals based on computation results. These signals control the heating element power through the drive circuit. When temperature falls below the set value, heating power increases. When temperature approaches or reaches the set value, heating power decreases or shuts off.
Pas 5: Safety Protection Mechanism. The system continuously monitors battery temperature, heating wire temperature, and circuit current. When anomalies are detected—such as over-temperature, over-current, or short circuits—thefault detection and auto-protection circuit immediately cuts off power to ensure user safety.
Bimetal Thermostat Principle (Reference for Traditional Solutions)
Some hair curler products use bimetal strips as temperature control elements. The principle works as follows: as temperature rises, heat transfers to the bimetal disc. Because the two metals have different coefficients of thermal expansion, the disc deforms and bends. At a predetermined temperature, it rapidly actuates. Through a mechanical mechanism, it opens or closes contacts, thereby switching the circuit on or off. Modern intelligent hair curlers typically use MCU-plus-temperature-sensor electronic temperature control solutions. These offer significantly higher temperature control accuracy.
Primary Applications and Use Scenarios
Core Applications
Acestplacă de circuite PCB cu ondulație pentru păr servește cacontrol mainboard for hair curlers, hair straighteners, straightening-curling combo devices, and other hair styling equipment. It delivers the following functions:
- Precision temperature control: Supports multi-level temperature adjustment from 80–200°C.
- Gestionarea energiei: Supports both corded power and built-in lithium battery charging management.
- Safety protection: Multi-layer protection including over-temperature, over-current, si protectie la scurtcircuit.
- User interaction: Drives LED/LCD displays to show real-time temperature and operating status.
- Portable design: Cordless operation with built-in battery after full charge, convenient for travel.
Scenarii de aplicație
| Scenariu de aplicare | Descriere |
|---|---|
| Home hair curlers | Personal daily styling with adjustable temperature for different hair types |
| Professional hair salons | Requires precise temperature control, răspuns rapid, and long continuous operation |
| Travel portable curlers | Lithium battery powered, USB charging, lightweight and compact |
| Smart styling devices | Intelligent curlers with integrated negative ion, aburi, and other added features |
| Straightening-curling combo | Multi-functional styling devices combining straightening and curling capabilities |
Clasificarea produselor
This product can be classified along multiple dimensions:
După materialul de substrat
FR-4 Rigid Printed Board – Glass-fiber reinforced epoxy resin copper-clad laminate
După numărul de straturi
2-Layer Double-Sided Board – Circuits on both top and bottom layers
După finisarea suprafeței
OSP (Conservanți organici de lipit) Finished Board
By Solder Mask Color
Black Solder Mask with White Silkscreen PCB
După clasa de performanță IPC
Clasă 2 (Servicii dedicate Produse electronice) – Suitable for consumer electronics requiring continuous operation and extended service life
By Application Field
PCB pentru electronice de larg consum / Personal Care Device PCB
By UL Certification Category
Rigid Printed Wiring Board – Compliant with UL 796 Standarde
Material Composition and Performance Specifications
Substrat: FR-4 Glass-Epoxy
FR-4 stands for “Flame Retardant Type 4.” This indicates glass-fiber reinforced epoxy material with a UL 94 V-0 flame retardancy rating. Key performance parameters include:
| Parametru de performanță | Caietul de sarcini | Standard de referință |
|---|---|---|
| Temperatura de tranziție a sticlei (TG) | 130–140°C | DSC test method |
| Flame Retardancy Rating | Ul 94 V-0 | Standardul UL |
| Conductivitate termică | 0.25–0.3 W/m·K | - |
| Rezistență la temperatură | Suitable for leaded soldering processes | - |
Folie de cupru
Both inner and outer layer copper foil thickness is1 Oz (aproximativ 35 μm) . Copper foil serves as the primary conductor for circuit traces. Its thickness directly affects trace current-carrying capacity and impedance characteristics.
Finisaj de suprafață: OSP Antioxidant Layer
OSP (Conservanți organici de lipit) is an organic film chemically grown on clean bare copper surfaces. This film providesrezistenta la oxidare, thermal shock resistance, and moisture resistance. It protects copper surfaces from oxidation or sulfidation under normal environmental conditions. OSP film thickness is typically0.2–0.5 μm.
Mască de lipit și serigrafie
- Masca de lipit: Black ink covering all areas except pads. Provides insulation and protection.
- Mătase: White characters marking component designators, polaritate, si alte informatii.
Product Structure and Features
Structura produsului
Acestplacă de circuit pentru ondulatorul de păr uses the following layer structure:
- Top copper layer (1 Oz) – Primary signal and power traces
- substrat FR-4 (1.0 mm) – Mechanical support and electrical insulation
- Bottom copper layer (1 Oz) – Auxiliary signal traces and ground plane
- Black solder mask – Covers top and bottom layers for circuit protection
- OSP surface finish – Protects pad copper and ensures solderability
- White silkscreen markings – Clearly labels component positions
Caracteristici cheie
① High-Precision Manufacturing
Precision parameters—minimum aperture 0.32 mm, lățime/spațiere a liniilor 0.3/0.41 mm—demonstrate high-precision PCB fabrication capability. This ensures signal integrity and reliability.
② Excellent Thermal Management
substrat FR-4 (Tg 130–140°C) combinat cu 1.0 mm board thickness maintains dimensional stability and electrical insulation under high-temperature hair curler operating conditions.
③ Reliable Surface Finish
OSP antioxidant finish provides excellent solderability while delivering a flat soldering surface suitable for high-density SMT assembly. The black solder mask with white silkscreen ensures clear appearance marking and reliable insulation protection.
④ Compact Form Factor
The 76.82 × 13.6 mm long and narrow dimensions are specifically designed for hair curler handle interiors. This maximizes space savings within the device.
⑤ Complete Functional Integration
A single 2-layer board integrates four major circuit modules: power input, managementul puterii, main control, and heating control. This delivers a complete control chain from power source to heating element.
⑥ International Standards Compliance
Product design and manufacturing comply withIPC-6012 (Specificații de calificare și performanță pentru plăci imprimate rigide) şiUl 796 (Standard pentru plăci de cablare imprimate).
Procesul de fabricație
UGPCB follows this standard manufacturing process for theplacă de circuite PCB cu ondulație pentru păr:
Pas 1: Inspecția materialelor primite
Inspect FR-4 copper-clad laminate to verify board thickness (1.0 mm), copper foil thickness (1/1 Oz), and other parameters meet specifications.
Pas 2: Circuit Pattern Generation (Direct outer layer for double-sided boards)
- Laminare: Apply dry film photoresist to copper surfaces.
- Exposure: Transfer circuit patterns from artwork to dry film.
- Dezvoltare: Remove unexposed dry film to expose copper areas for etching.
- Gravură: Use etchant to remove exposed copper, forming circuit traces.
- Bandă: Remove remaining dry film protective layer.
Pas 3: Inspecție optică AOI
Utilizare Aoi (Inspecție optică automată) equipment to scan circuits. Check for opens, pantaloni scurţi, and under-etch defects.
Pas 4: Foraj
Drill holes per design specifications. Minimum aperture is0.32 mm.
Pas 5: Depunere de cupru electroless și placare cu panouri
Deposit a thin copper layer on hole walls (cupru electroless). Then electroplate to build up hole wall copper thickness. This achieves interlayer electrical connections.
Pas 6: Outer Layer Circuit Generation (Second circuit process for double-sided boards)
Repeat lamination, expunere, dezvoltare, gravare, and stripping to form final circuit patterns.
Pas 7: Aplicație de mască de lipit
- Print black ink: Apply black solder mask ink to board surfaces.
- Expose and develop: Expose and develop to expose pad areas.
- Cure: Heat-cure the solder mask layer.
Pas 8: Finisare de suprafață – OSP
Immerse PCBs in OSP chemistry to grow a0.2–0.5 μm organic protective film on exposed copper surfaces.
Pas 9: Imprimare cu mătase
Print white silkscreen characters using high-precision laser文字 printing.
Pas 10: Testare electrică
Perform electrical continuity and insulation testing using flying probe or dedicated test fixtures.
Pas 11: Inspecție finală și ambalare
Efectuați o inspecție vizuală, măsurare dimensională, and sample reliability testing. Package in vacuum-sealed bags upon approval.
Use Scenarios and Target Customers
Typical Use Scenarios
Scenariu 1: Home Hair Curler Manufacturing
Home appliance brands developing hair curler products need a stable, cost-effective PCB control board. Acestplacă de circuit pentru ondulatorul de păr offers 80–200°C wide-range temperature adjustment to meet different hair type styling requirements.
Scenariu 2: Professional Salon-Grade Styling Equipment
Professional salons demand higher temperature stability, response speed, si durabilitate. FR-4 substrate and 1 OZ copper foil design ensure reliability during extended continuous operation.
Scenariu 3: Portable Cordless Hair Curlers
Battery-powered portable curlers require integrated charging management, battery protection, and temperature control on a single PCB. The compact form factor (76.82 × 13.6 mm) fits perfectly inside handle enclosures.
Scenariu 4: Smart Hair Styling Ecosystems
Smart curlers integrating negative ion emission, steam generation, and APP control require additional interfaces and processing capability from the PCB.

Target Customer Groups
- Hair styling device brands/OEM manufacturers: Need high-quality PCBs for hair curler, straightener, and combo device production.
- PCBA solution design companies: Require standard PCBs for solution development and validation.
- Electronics R&D instituţii: Engineering teams developing innovative hair styling equipment.
- Cross-border e-commerce sellers: Seeking stable supply chains for hair styling device exports.
De ce să alegeți UGPCB?
Capacitate profesională de producție
UGPCB provides one-stop services from Design PCB and fabrication to PCBA assembly. Acest placă de circuite PCB cu ondulație pentru păr uses industry-leading manufacturing processes. Every board meets IPC Class 2 standarde de calitate.
Control strict al calității
From incoming material inspection to final product shipment, every process step undergoes rigorous quality control. Aoi (Inspecție optică automată) ensures defect-free circuits, and electrical testing guarantees 100% electrical performance compliance.
International Safety Standard Compliance
Products comply withIPC-6012 (Rigid Printed Board Performance Specification) şiUl 796 (Printed Wiring Board Safety Standard). Substrate flame retardancy meetsUl 94 V-0. This provides strong support for customers to pass global safety certifications.
Fast Response and Delivery
Customers simply provide Gerber files, BOM lists, and design documents. The UGPCB team delivers complete quotationsîn 24 ore.
Request a Quote – Get Your Custom Solution Today
UGPCB offers thisplacă de circuite PCB cu ondulație pentru păr in standard production volumes. Customization options are also available—including size modification, layer count increase, surface finish changes (such as ENIG immersion gold, HASL hot air solder leveling), and solder mask color customization.
📧 Get a Quote: Send Gerber files + BOM list to the UGPCB official email.
💬 Online Inquiry: Visit the UGPCB official website and contact online customer service.
📞 Phone Consultation: Call the UGPCB official service hotline.
UGPCB – Your Trusted PCB/PCBA One-Stop Service Partner
Declarație sursă de date
The technical data and standards referenced in this article are sourced from the following authoritative organizations:
- IPC (Asociația Connecting Electronics Industries) – IPC-6012Specificații de calificare și performanță pentru plăci imprimate rigide; IPC-2221Standard generic pentru designul plăcii imprimate
- Ul (Laboratoarele Underwriters) – UL 796Standard pentru plăci de cablare imprimate; UL 94Standard pentru testele de inflamabilitate a materialelor plastice pentru piesele din dispozitive și aparate
- NU (Asociația Națională a Producătorilor de Electricitate) – FR-4 material grade standards
- Industry Technical References – FR-4 material property parameters; OSP surface finish process parameters
All data above are sourced from publicly released standard documents and industry technical literature. For further verification, please contact us with any questions.














