20-year environmental temperature and humidity control solution provider
The SemSong intelligent constant temperature and humidity cabinet operates through the coordinated work of the cooling, heating, humidifying and dehumidifying systems, combined with high-precision sensors and an intelligent control system, to achieve precise regulation of the cabinet's temperature and humidity. Its core lies in real-time monitoring of environmental parameters and automatically starting and stopping the corresponding modules to maintain the set conditions. It is widely used in fields such as cultural relics, electronic components, and biological samples where strict requirements are imposed on the storage environment.
Working principle
The intelligent constant temperature and humidity cabinet is composed of four core systems:
Constant Temperature System: It includes cooling and heating modules. Cooling mostly adopts the reverse Carnot cycle with compressors and environmentally friendly refrigerants, while heating uses PTC semiconductors or electric heating wires, combined with circulating fans to ensure uniform temperature inside the cabinet.
Constant Humidity System:
Dehumidification: High-end equipment uses molecular sieve filtration dehumidification or dual/four system alternating adsorption technology to avoid the humidity fluctuation problem caused by traditional refrigeration dehumidification.
Humidification: Methods include wet film humidification, ultrasonic spray humidification, and the more advanced built-in stainless steel fog-free molecular humidifier to avoid water mist residue and external influence on aesthetics.
Control System: As the "brain" of the equipment, it integrates high-precision sensors imported from Switzerland such as SHT30, PLC controllers, and touch screen interfaces, supporting parameter setting, real-time monitoring, data recording, and power failure memory functions. Some models have AI algorithms, which can enter a low-power standby state after stability is achieved.
Safety Protection System: Equipped with multiple mechanisms such as over-temperature and over-humidity protection, compressor over-voltage protection, heater anti-dry-burn protection, and water shortage protection to ensure long-term operation safety.
In addition, some high-end models support remote monitoring via the Internet of Things and APP management, enabling real-time viewing and control from remote locations.
Main Advantages
✅ Highly Stable Environment: The temperature control accuracy can reach ±0.2℃, and the humidity fluctuation can be controlled within ±5%RH, meeting the precise preservation requirements for cultural relics (such as calligraphy and paintings, which need 20±2℃ and 50±5%RH).
✅ Intelligent Management: Supports remote monitoring, abnormal alarm, data recording, and functions such as parameter setting, real-time monitoring, data recording, and power failure memory. It improves management efficiency and is suitable for unmanned值守 scenarios.
✅ Energy-saving and Environmentally Friendly： Uses efficient compressors and intelligent algorithms， with an average power of approximately 200W. Some models can save up to 50% electricity.
✅ Safe and Reliable： Sealed structure and multiple protection mechanisms effectively prevent moisture， mold， fire， and external pollution.
Existing Limitations
❌ High Cost： Precise components (such as imported compressors， molecular sieve dehumidification systems) result in a relatively high overall price， especially for customized large-capacity models.
❌ High Maintenance Requirements： Regular replacement of desiccants and cleaning of humidification modules are required. Non-professional operation may affect performance.
❌ Noise Issue： Although there is a shock absorption design， compressor start-stop still generates certain noise， which is not suitable for places with extremely high noise requirements.
❌ Dependence on Power Stability： Long-term power outages may affect the internal environment. Although there is a parameter memory function， a UPS must be equipped to ensure continuous operation.
Constant Temperature Humidity Cabinet Humidity Cabinet Humidity Cabinet Manufacturer Constant Temperature Humidity Cabinet Manufacturer Constant Temperature Humidity Cabinet Supplier