
Energy-efficient Bathroom Instant Water Heater
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
1. Product Overview
This product is designed for smart toilet instant water heaters, featuring high-density PCB integration ,with millisecond-level heating response. The core board connects via CAB-2837 certified cables to ensure complete water-electricity isolation, making it ideal for premium smart bathroom systems.
1.1 Key Features
? Precision Ciruit Design
Multi-layer PCB with STM32F103 MCU
110123-series SMD resistors/capacitors for signal stability
? Safety Protection
Dual DB-2214 protection modules (overcurrent/overvoltage)
Color-coded wiring (red/blue/black for power/signal/ground)
? Smart Control
Cloud communication via CAB-2837 shielded cable
Real-time heating tube impedance monitoring
2. Technical Specifications
2.1 PCB Assembly Parameters
2.2 System Performance
Heating Response: ≤2 sec (standby to 40°C)
Temp Control Error: ±1°C (NTC feedback)
Insulation Resistance: ≥100MΩ (500V DC test)
3. Structural Details
3.1 PCB Layout
Power Zone (Left):
Red cable: AC 220V input (with ferrite bead)
Black cable: Grounding
Control Zone (Center):
Dual DB-2214 modules (symmetrical design)
110123-component group (signal conditioning)
Output Zone (Right):
Blue cable: DC 12V relay output
Clear tubing: NTC sensor wires
3.2 Safety Design
Transparent insulation sleeves: Double-layer HV protection
Metal mount: Aluminum heatsink (visible screw holes)
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.