
Self-Regulating Instant Heat Module: Micro-Channel Ceramic Heater For Smart Toilets
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 the core heating component of smart bathroom systems, utilizing next-generation flash-heating technology to deliver second-level hot water response. As illustrated, the product consists of a high-density circuit control system and a high-efficiency heating module, featuring CNI-certified industrial-grade design to provide stable and continuous hot water supply for smart toilets. Its compact structure (white housing in illustration) integrates waterway control, temperature regulation, and safety protection into a complete functional module, meeting modern bathroom systems' demands for energy efficiency, high performance, and precise temperature control.
II. Core System Analysis
Circuit Control System
Main Control Board:
32-bit microprocessor architecture
Precision SMD component layout (capacitor/resistor arrays)
Heating Module
Core Components:
316L stainless steel heating tube (inside housing)
Ceramic heat exchanger
Dual-channel water flow design
Performance Parameters:
Instant power: 3000W
Thermal conversion efficiency: ≥96%
Water temperature fluctuation: ±0.5°C
III. Key Technical Parameters
Heating Performance
Heat-up Curve:
25°C → 40°C in ≤3 sec
Max. output temperature: 55°C
Flow Characteristics:
Operating flow rate: 200–800ml/min
Minimum activation flow: 50ml/min
Electrical Safety
Insulation Properties:
Insulation resistance: ≥100MΩ
Withstand voltage: 1500V/1min
Protection System:
Leakage current cutoff: 6mA
Overload protection response: <0.1s
IV. Intelligent Control System
Temperature Management
✅ Triple-Sensor System:
Inlet temperature monitoring
Heating tube temperature tracking
Outlet temperature closed-loop feedback
✅ Control Algorithm:Adaptive PID 3.0
Dynamic power compensation
Low-temperature preheat strategy
Safety Protection
⚡ 5-Layer Protection:
Double insulation (basic + supplementary)
Water-electric separation (isolated chamber in illustration)
Fuse-based overheat protection
Flow anomaly auto-shutdown
Pressure relief valve (1.8MPa)
V. Product Advantages
Technological Innovations
? Energy Efficiency Breakthroughs:
Standby power <0.5W
35% energy savings vs. traditional heaters
? Smart Features:Usage frequency learning
Off-peak power mode
Self-diagnostic error codes
Reliability Assurance
? Durability Tests:
100,000 on/off cycles
5,000 hours continuous operation
-30°C cold-start validation
VI. Maintenance & Lifespan
⚠ Professional maintenance recommended every 12 months or 3,000 operating hours, including:
Pipe descaling
Circuit inspection
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.