What is smart public toilet?
Smart public toilet refers to the application of IoT technology, sensors, and intelligent control systems to optimize restroom management, improve user experience, and reduce operational costs. By real-time monitoring of environmental parameters (odor, temperature, humidity), equipment status, and user flow, it realizes functions such as automatic ventilation, intelligent cleaning scheduling, and energy-saving control.
It solves the pain points of traditional public toilets such as severe odors, untimely cleaning, and resource waste, and is widely used in transportation hubs, commercial complexes, scenic spots, office buildings, and other public places.
Challenges solved by smart toilet solutions
Persistent Odor Problems
Ammonia (NH3) and hydrogen sulfide (H2S) from human waste cause unpleasant smells, affecting user experience.
Inefficient Cleaning
Fixed cleaning schedules lead to either unnecessary work or delayed response to pollution.
Resource Waste
Continuous operation of ventilation and lighting systems regardless of actual usage status.
Lack of Real-time Monitoring
Inability to grasp the usage status and environmental quality of toilets in real time.
How sensors enable smart toilet management
Sensors are the core of smart toilet systems, responsible for collecting key environmental and operational data. By monitoring odor gases, temperature, humidity, and occupancy status, they provide a data basis for intelligent decision-making, enabling automated control and refined management.
Odor Monitoring (Core Function)
The most critical demand for smart toilets is odor control. Ammonia (NH3) and hydrogen sulfide (H2S) are the main sources of toilet odors. Real-time detection of their concentrations can trigger ventilation systems and cleaning alerts in a timely manner.
Ammonia (NH3) Sensor - ZE03-NH3
Ammonia is a pungent gas produced in toilet environments, with high concentration causing discomfort and irritation. ZE03-NH3 sensor provides high-precision detection to ensure timely odor control.
Hydrogen Sulfide (H2S) Sensor - ZE03-H2S
Hydrogen sulfide is a highly toxic gas with a rotten egg smell, which is extremely harmful to human health even at low concentrations. ZE03-H2S sensor ensures safe monitoring in toilet environments.
| Model: | ZE03-H2S |
| Detection Range: | 0-100ppm |
| Resolution: | 1 ppm |
| Response Time: | ≤30 seconds |
| Lifespan: | 2 years (typical) |
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Environmental Parameter Monitoring
In addition to odor gases, temperature, humidity, and air flow are also important indicators affecting toilet comfort. Comprehensive environmental monitoring helps optimize ventilation and heating/cooling systems.
Temperature and Humidity Sensors
Suitable temperature and humidity levels can reduce bacterial growth and odor generation. Real-time monitoring helps adjust ventilation and heating systems.
| Model: | WHT20 |
| Temperature Range: | -40℃~85℃ (±0.3℃ accuracy) |
| Humidity Range: | 0~100%RH (±2%RH accuracy) |
| Output: | I2C |
| Size: | 12.2×8.7×3.5mm |
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Intelligent Control & Management
Based on sensor data, intelligent control systems realize automated operation of toilet equipment, improving management efficiency and reducing manual intervention.
Occupancy Detection (PIR Sensors)
Detecting whether a toilet cubicle is occupied can realize functions such as automatic lighting, door locks, and usage statistics, avoiding energy waste and improving user experience.
| Model: | ZRD-09 |
| Detection Range: | 3-5 meters |
| Detection Angle: | 110° |
| Output: | Digital (high/low level) |
| Operating Voltage: | 3.3V/5V |
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Water Quality & Usage Monitoring
Monitoring water quality and flow in toilet facilities can prevent pipeline blockages, detect leaks in time, and realize water-saving management.
Application Scenarios
Shopping Malls & Commercial Complexes
High foot traffic areas requiring constant odor control and clean environment
Airports & Transportation Hubs
24-hour operation scenarios with high hygiene requirements
Scenic Spots & Parks
Outdoor public toilets with harsh environment and difficult management
Office Buildings
Improve employee satisfaction with comfortable restroom environment
Schools & Hospitals
Places with high requirements for hygiene and health safety
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