US 12,259,181 B2
Temperature control plate for cold-chain transportation and measurement method for temperature control plate
Ruohan Yang, Guangdong (CN); Hanpo Huang, Guangdong (CN); Xin Nei, Guangdong (CN); and Yongheng Wang, Guangdong (CN)
Assigned to THERO NEW MATERIAL TECHNOLOGY CO., LTD, Shenzhen (CN)
Appl. No. 18/245,541
Filed by THERO NEW MATERIAL TECHNOLOGY CO., LTD, Guangdong (CN)
PCT Filed May 11, 2021, PCT No. PCT/CN2021/093024
§ 371(c)(1), (2) Date Mar. 15, 2023,
PCT Pub. No. WO2022/057280, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010973410.X (CN), filed on Sep. 16, 2020.
Prior Publication US 2023/0366616 A1, Nov. 16, 2023
Int. Cl. F25D 29/00 (2006.01); F25D 3/06 (2006.01)
CPC F25D 29/003 (2013.01) [F25D 3/06 (2013.01); F25D 2303/082 (2013.01); F25D 2700/08 (2013.01); F25D 2700/121 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A temperature control plate for cold-chain transportation, comprising a phase change gel (1), a vacuum-sealing bag (2), a sealed plastic box (3), and an RFID passive temperature sensor tag (5), wherein the phase change gel (1) is filled inside the vacuum-sealing bag (2) with a supporting frame (7) embedded within the phase change gel, an inner surface of the vacuum-sealing bag is in close contact with the phase change gel, and an inner space of the vacuum-sealing bag which is formed by the inner surface is a vacuum state; the RFID passive temperature sensor tag (5) is embedded inside a location of the phase change gel which is different from a location of the supporting frame, the vacuum-sealing bag (2) is placed inside the sealed plastic box (3), and a tag identifier (6) is attached to the outside of the sealed plastic box, the vacuum-sealing bag (2) is made of PET material, and the sealed plastic box (3) is made of PET plastic.