Portable Toilets at High-Speed Toll Stations
Portable toilets at high-speed toll stations involve various aspects such as product types, management issues, smart upgrades, and practical applications.
Product Types and Prices: There is a wide variety of portable toilet brands and types suitable for high-speed toll stations. Prices vary significantly depending on the brand, specifications, and configurations. For example, the assembled environmentally friendly portable toilet for highway toll stations provided by Sichuan Chengdu Jinlianyun Intelligent Environmental Protection Engineering Co., Ltd. is priced at 1800.00 yuan per unit and uses a water-flush direct-discharge system. The assembled environmentally friendly portable toilet offered by Ningxia Yinchuan Ningxia Shengfengshang Machinery Equipment Co., Ltd. is priced at 5800.00 yuan per unit and supports customization. This indicates that toll stations can choose appropriate portable toilets based on their own needs and budgets.
Management Issues: There are certain loopholes in the management of portable toilets. Some rental points lack administrators and surveillance equipment. For instance, among 23 portable toilet rental points in Hangzhou, 16 have such issues. In addition, 80% of the portable toilets on the market use the same type of automatic self-locking door. When the external vibration reaches level 3 (similar to truck jolts), the simple lock will automatically engage, posing a risk of trapping people. In 2023, an incident occurred in Suzhou where a cleaner was trapped in a toilet and suffered heatstroke. This highlights the importance of strengthening the management of portable toilets and ensuring their safe use.
Smart Upgrades: Smart portable toilets achieve innovation through various technological architectures. The precise sensing system uses infrared/laser sensors to monitor the occupancy status of toilet stalls in real-time, with red and green lights on the door heads indicating 'occupied/available'. The active environmental control system is equipped with an odor gas monitoring module. When the ammonia concentration exceeds the standard, it automatically triggers the fresh air system and negative ion deodorization, combined with ultraviolet sterilization to maintain fresh air. The dynamic resource scheduling system uses passenger flow statistics heat maps, allowing the management end to predict peak periods and flexibly allocate cleaning staff and consumable supplies. At the same time, differentiated functional modules are designed for different user groups.
Practical Application Cases: During major traffic periods such as the 'May Day' holiday in 2026, the Gaodong Toll Station on the G1503 Shanghai Ring Expressway will take measures such as setting up portable toilets to meet the toilet needs of passing drivers and passengers and improve service quality and traffic experience.
