JPH09320741A - Heating pad utilizing ptc sheet heating element - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating pad with no disconnection, which is thin size, light weight, high flexibility, and capable of uniformly heating the whole, and retaining heat by using a PTC sheet heating element as the heating element. SOLUTION: A PTC sheet heating element obtained by directly printing a heating element on a cloth, such as racing number cloth or composing it, is used as the heating element of a heating pad. The heating element is constituted of conductive resin, a heating element such as a semiconductor, an insulating film such as polyester film, a conductive copper foil, an electrode such as a conductive printing electrode, and a terminal such as copper terminal. As the power source of the heating element, a home power source, a car battery, or a battery can be used. The heating pad is formed, to fit to the shape according to uses applied, including the shoulder, the waist, the back, the sole of a foot, an elbow, knee, racing number cloth, and vest.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a heating pad, and more specifically, an ultra-thin heating pad characterized by using a PTC sheet heating element and combining it with natural or chemical fibers. By freely designing these combinations and shapes, shoulder, waist,
Regarding heating pads that can be used for all parts of the human body, such as for elbows.

(Prior art and problems) Conventionally, heating or heat-insulating pads, warmers made of materials with good heat-retaining properties, such as warmers that use heat and chemical reactions, and other heat conductors such as copper wire and nichrome wire, PTC. There were some that used heating elements. When using a warming body warmer, it was difficult to heat the whole body evenly because it became hot only near the body warmer.
Furthermore, the heat generation time was limited, and the heat generation temperature could not be adjusted. Even when a heating element such as a copper wire or a PTC heating element is used, it lacks flexibility as a whole and has a structural thickness,
Not only was weight a great obstacle, but it was difficult to heat the entire body as well as the use of Cairo. Therefore, a heating element capable of setting a heating temperature and having a long duration is required, and a heating element that is flexible, lightweight and has no danger of disconnection or the like is required as a whole structure.

(Means for Solving the Problem) In order to solve various problems such as uniformly heating the whole body, reducing the weight of the whole body, and having flexibility, the PTC, which is a heating element used up to now, is used.
All of these problems have been solved by using a PTC sheet heating element instead of the heating element or body warmer. The PTC sheet heating element can be printed directly on the bib fabric instead of the copper wire and nichrome wire that have been used up to now. By changing it, it is possible to heat all parts evenly. Furthermore, since the temperature can be set freely, it is ideal for keeping the human body warm, and it is possible to fabricate a very flexible pad as a whole. The main constituent materials of the PTC sheet heating element here are conductive elements, polyester films, etc. as insulating films such as conductive resin, special semiconductors, etc. as conductive elements, conductive copper foil as electrodes, conductive printing, brass etc. as terminals. Is used. The heating pad using this PTC sheet heating element can be made into any desired final shape such as a heating vest, waistcoat, shoulder pad, back pad, waist pad, abdominal pad. It is possible to make a highly versatile underwear number for heating. As the power source for the heating element, any power source such as household power source, battery, car battery, and battery can be used.

(Function) It is flexible and lightweight, and it is possible to uniformly heat the entire pad, and it is possible to heat and keep all parts at a constant temperature or at any temperature setting.

(Effects of the Invention) (1) In addition to the heating effect, various effects such as promoting blood circulation to the human body can be expected due to the radiation of far infrared rays.

(2) A thin, lightweight pad having a high flexibility can be manufactured.

(3) Since it is possible to generate heat in all parts of the pad, the temperature can be evenly transmitted, and the temperature can be freely set.

(4) You can freely select the power source, such as the power source from the battery, and it can be used in various situations. For example, you can use it for various heat insulation and heating such as space suits.

(5) It is possible to produce a race bib, a vest, a shoulder pad, a waist pad, a back pad, a sole pad, etc. according to the application. That is, various applications such as cold-resistant clothing, outdoor goods, and health clothing can be considered, and by wearing it between the underwear and the outerwear, it is possible to warm the body instantly or gradually without receiving the outside temperature. Furthermore, it can be used as a thermal insulation product for the foot by attaching it to the toes and soles of the human body.

Claims (2)

[Claims] 1. A heating pad comprising a PTC sheet heating element used as a heating element. 2. The heating pad according to claim 1, which has a shape according to use such as shoulder, waist, back, sole, elbow, knee, number, vest, and the like.