Heat-insulation waistcoat

Abstract

The invention relates to the technical field of protective products and discloses a heat-insulation waistcoat. The heat-insulation waistcoat comprises a waistcoat body, a storage tank and a draft tube, wherein an inlet is formed in the waistcoat body and is connected with a storage tank outlet through the draft tube; the storage tank stores a heat source; a heat-insulation heat-storage material is arranged in the waistcoat body. The chemical heat source stored in the storage tank releases heat through a chemical reaction, and the heat enters the interior of the waistcoat through the draft tube, so that the temperature of the waistcoat is increased and heating and heat insulation functions are exerted. A heat-insulation heat-storage layer absorbs the heat of the heat source entering the waistcoat body, so that the temperature of air is quickly reduced, and scalding due to the fact that the heat source directly performs heat exchange with the human body is avoided. Furthermore, the specific heat capacity of the heat-storage material in the heat-insulation heat-storage layer is larger; by utilizing the characteristic that the specific heat capacity of the heat-storage material in the heat-insulation heat-storage layer is larger, that is the heat-storage performance of the heat-insulation heat-storage layer, the heat exchange between the waistcoat body and the surrounding environment is reduced, and the heat insulation time is effectively prolonged.

Description

Technical field [0001] The invention relates to the technical field of protective products, in particular to a thermal insulation vest. Background technique [0002] When the human body stays in the severe cold environment for too long, it can cause frostbite of the whole body, slow down the person's breathing and heart rate, stiff muscles, and cause serious death. Especially in northern my country, where the winter is severely cold, indoor heating is usually used, and the temperature difference between indoor and outdoor is large, and outdoor activities are unsuitable, even causing frostbite. To solve the above problems, human body heating and heat preservation equipment came into being. [0003] In the prior art, the commonly used heat preservation and heating method is electric heating. There are heating pads that can be tied to the body, and various electric heating vests. For example, patent CN202425603U discloses a movable heating vest in which rechargeable batteries are ins...

AI Technical Summary

Problems solved by technology

The above-mentioned heating vests all adopt the method of electric heating, which can meet the needs of people to keep warm in winter, but the traditional electric heating vests usually have simple structure, poor comfort, and are easy to break due to metal fatigue caused by long-term use and repeated pulling. Repair and replacement It is extremely inconvenient, so the service life is relatively short; and the electric heating method requires a power supply, and outdoor workers need to carry a mobile power supply, but the mobile power supply is too small to store energy, and it is a burden for the carrier if it is too large, so it is not easy to carry , which will also affect the operation of the work

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