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Cryogenic slow-release portable cold source device with overcooling protection and method of use thereof

A cold source device and cryogenic technology, applied in household refrigeration devices, applications, home appliances, etc., can solve problems such as inability to meet on-site refrigeration and cryogenic slow release

Active Publication Date: 2021-09-14
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The purpose of the present invention is to solve the technical problem that the existing portable cold source device cannot meet the comprehensive needs of on-site refrigeration and cryogenic slow release in unsecured scenes in the field, and provide a cryogenic slow release portable cold source with supercooling protection Device and method of use

Method used

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  • Cryogenic slow-release portable cold source device with overcooling protection and method of use thereof

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] A cryogenic slow-release portable cold source device with supercooling protection, comprising a flexible shell 1, a one-way pressure limiting exhaust valve 3, a twist valve 4, a twist valve cover 5, and a flexible liner 2 arranged inside the flexible shell 1 , and a plurality of storage bags arranged inside the flexible liner 2; the plurality of storage bags include a water bag 6 filled with water, and an ammonium chloride storage bag 7 filled with ammonium chloride, a barium hydroxide filled bag Barium hydroxide storage bag 8 and sodium chloride storage bag 9 filled with sodium chloride; the ammonium chloride storage bag 7, barium hydroxide storage bag 8 and sodium chloride storage bag 9 can be ruptured under extrusion The cleanliness of the water in the water bag 6 and other requirements are implemented in accordance with GB5749 "Drinking Water...

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Abstract

The invention relates to a cryogenic slow-release portable cold source device with overcooling protection and a use method thereof. The purpose of the present invention is to solve the technical problem that the existing portable cold source device cannot meet the comprehensive needs of on-site refrigeration and cryogenic slow release in unsecured scenes in the field, and provide a cryogenic slow release portable cold source with supercooling protection Device and method of use thereof. The device uses normal temperature components such as ammonium chloride, barium hydroxide, and sodium chloride, and uses the compound process of chemical heat absorption and phase change heat absorption to realize the comprehensive performance of deep cold storage and slow-release refrigeration. The portable device with deep cooling conditions solves the problems of the existing technology that cannot be refrigerated on site, cannot be deep cooled, and cannot be portable for backup; it is started by mechanical operation, no need for low temperature protection, no need for filling media, and solves the problem of high requirements for existing technical protection and pre-use. The operation is complicated; the isolation structure is also designed based on the gas product of the chemical endothermic process to form a supercooling protection function.

Description

technical field [0001] The invention relates to a cold source device, in particular to a cryogenic slow-release portable cold source device with overcooling protection and a use method thereof. Background technique [0002] The portable cold source is used for low temperature maintenance under conditions without cold chain support and field conditions, and is widely used in fresh food transportation, medical rescue and other scenarios. From the perspective of the requirements of typical scenarios, the design of portable cold sources mainly focuses on technical performance such as cold storage capacity per unit weight, minimum stable temperature, and performance such as overcooling protection and start-up mode. [0003] Existing portable cold sources can be divided into unsupported types such as rechargeable refrigerators, and dependent types such as ice packs, ice-salt baths, and small plug-in refrigerators. [0004] Rechargeable refrigerators adopt electric drive semicondu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D5/02
CPCF25D5/02
Inventor 何凯闫欣吴永程王刚张杰刘毅恒田进寿汪韬姚东
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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