Self-sufficient zero-energy small refrigeration and freezing trailer.
PoCTECH Co., Ltd. (Headquarters: Meguro-ku, Tokyo, Representative: Saori Aozawa) and Cold Storage Japan Co., Ltd. (Headquarters: Chuo-ku, Kobe, Representative: Daigo Goto) have successfully operated the world's first (※) self-sufficient zero-energy small cold storage utilizing solar power in a compact refrigerated and frozen trailer that can be towed by a regular passenger vehicle, and have now achieved product commercialization.
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basic information
● The solar panels are mounted in parallel as angle-adjustable panels, enabling a rated output of 600W. ● The generated electricity is stored in the latest lightweight lithium-ion battery (120Ah/12.8V 1,536Wh), allowing for a maximum output of 1,500W (100V) to maintain a self-sufficient refrigeration environment within the container. ● The 100V output can be changed to a frequency of 50/60Hz based on settings, allowing power supply to 100V electrical appliances other than the cold storage box during emergencies. ● Even at night or during times without sunlight or power generation, the fully charged battery can continuously operate the cooling system for 5.12 hours. ● The temperature setting range for the cooling unit is from +5°C to -25°C, with settings possible in 1°C increments. ● The noise level of the cooling unit during operation is a maximum of 66dB, designed to be quieter than conventional freezers. ● The cold storage box has rapid freezing capabilities, which are available even during this self-sufficient zero-energy usage. <Size> External dimensions: 3,034mm (L) × 1,460mm (W) × 1,990mm (H) Box dimensions: 2,200mm (L) × 1,000mm (W) × 1,500mm (H)
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Applications/Examples of results
【About Application Utilization】 1. Achieving product provision without being constrained by location In places like event venues where it is difficult to supply electricity and generators cannot be used, it is possible to independently generate and utilize electricity, and by utilizing a cooling system that manages appropriate temperature control, the range of food and products that can be offered at the venue expands. 2. Utilization for material quality management and working environment at construction sites Even in areas or locations where power supply is difficult at construction or outdoor work sites, it becomes possible to utilize electricity without the need for electrical work for on-site use, allowing for stable management of material quality by securing refrigeration and freezing space, as well as using electricity for heatstroke prevention in the working environment. 3. Creating refrigerated spaces in areas where securing power is difficult In off-grid or unelectrified areas, it is challenging to store items in refrigeration, leading to high costs for securing medical supplies and safe food products. However, by utilizing this product, it becomes easy to secure refrigerated spaces. 4. Enabling stable storage of food and medical supplies during disasters In emergencies such as disasters, even in environments where electricity supply is cut off and there are limitations on electricity use, it is possible to flexibly apply cooling systems and power solutions.
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Company information
Our company aims to create a more livable society for everyone by building a small decentralized cold chain platform, similar to a blockchain system. We will establish medium-sized storage hubs using our uniquely developed refrigerated container, the COLDSTORAGE BOX, which is certified by HACCP INTERNATIONAL, and support the construction of the last mile by proposing the use of cooling agents and cooling boxes. Additionally, by utilizing our proprietary RFID-based iocube system, we will contribute to the expansion of the distribution of underutilized food ingredients that could not be sold until now, and the logistics network established through this will also help reduce carbon dioxide emissions.