
PTC Instant Heating Assembly: Dual-Power Smart Bidet Hot Water System For Smart Bidet
SZH's smart toilet control board PCBA is designed for premium electronic bidets, integrating seat heating, energy-saving algorithms, and multi-layer safety protection for enhanced user experience. With over 10 years of expertise, we provide ODM/OEM solutions for global brands, leveraging advanced R&D in precision molds and vertically integrated supply chains for fast delivery and cost efficiency. Annual production capacity exceeds 2 million units, SZH provide flexible customization, empowering clients to lead the smart bathroom market.
- SZH
- China
- Information
I. Product Overview
This instant water heater is a core heating component for smart bathroom systems, featuring a high-density PCB design (illustrated green circuit board) integrated with a high-efficiency heating module. Utilizing precision temperature control, it achieves millisecond-level hot water response, while its compact structure seamlessly fits modern smart toilet installations.
II. Core System Analysis
Circuit Control System
4-Layer PCB Design (illustrated green substrate)
Key Components:
32-bit ARM processor
Precision SMD resistor/capacitor arrays
Power driver module
Heating Module System
Core Components:
316L stainless steel heating tube
Ceramic heat exchanger
Dual-waterway design
Performance Parameters:
Instant Power: 2800W
Thermal Efficiency: ≥95%
Temperature Control Accuracy: ±0.3°C
III. Key Technical Parameters
Heating Performance
Heat-up Time: 25°C → 38°C in ≤2 sec
Max. Safe Temp.: 55°C (auto-limited)
Flow Control
Flow Rate Range: 150–800ml/min
Min. Activation Flow: 30ml/min
Protection System
⚡ Dual Leakage Protection
⚡ Overcurrent Protection
⚡ Overvoltage Protection
Insulation Performance
Insulation Resistance: ≥100MΩ
Withstand Voltage: 2000V/1min
IV. Product Advantages
Innovations
? Smart Pre-Heating:
Usage-pattern learning algorithm
Low-power standby (0.5W)
? Durability:100,000 on/off cycles tested
-30°C cold-start capability
IPX4 waterproof rating
500-hour salt spray test
Reliability
Gold-Plated Terminals (illustrated gold contacts)
Vibration-Resistant (5–500Hz random vibration tested)
10-Year Lifespan or 20,000 cycles
V. Recommendations
⚠ For optimal performance, pair with OEM smart toilet systems.
Custom Smart Toilet Mainboard PCBA
Modular Function Design
l Core Functions (Rapid Integration)
Heating | Cleaning | Control | Hygiene |
Seat heat | Bidet wash | Power-off flush | Nozzle clean |
Dry heat | Feminine wash | Foot-sense flush | Foam shield |
Temp adjust | Massage spray | Auto flush |
|
l Advanced Customization
- Electronic Extensions:
• IoT Control: APP/Wireless remote
• HMI: Smart display + Voice feedback
• Health: urinalysis (interface reserved)
- Mechanical Synergy:
• Auto-lid motor drive optimization
• Precision foam generator control
End-to-End Development
Vertical Manufacturing Advantage:
• Mold R&D: fast structural development (solves deformation/leaks)
• Electro-mechanical integration: Unified PCBA & heating module design
• Pilot to mass production: in-house SMT+assembly to ensure fast production
Competitive Benchmarking
Traditional Development Pain Points | Our Solutions | Technical Support |
slow development due to excessive feature integration | Modular design + pre-reserved interfaces | patent portfolio |
Electro-mechanical design misalignment | Parallel electro-mechanical co-development | In-house mold center + SMT production lines |
Lengthy certification cycles | Pre-validated architecture (50% test time reduction) | 10-year ODM empirical database |
Transform your smart toilet concept into a market-ready product. Welcome to contact with us today for a personalized proposal with functional prototypes, BOM optimization analysis, and turnkey delivery schedule.