CN2857909Y

CN2857909Y - Mini self-heating warmer slice

Info

Publication number: CN2857909Y
Application number: CN 200520076026
Authority: CN
Inventors: 杨文渊; 杨元梅; 李秀芝
Original assignee: 杨文渊
Priority date: 2005-09-30
Filing date: 2005-09-30
Publication date: 2007-01-17
Anticipated expiration: 2015-09-30

Abstract

A micro self-heating warmer slice includes chemical heat releasing agent or oxygen absorbent, an inner package bag and an outer package bag made of high obstruct transparent plastics. The inner package bag containing chemical heat releasing agent or oxygen absorbent is disposed in the sealed outer package bag. The inner package bag has prefabricated micropores. The weight of the warmer slice is only several gram, the thickness thereof is only several mm, and the size is only several cm. The warmer is made of soft materials. The heat releasing reaction may be controlled, no heat is released during storage process, and heat is only released when the warmer is used. The warmer can keep the temperature at 40-50 deg C for 4-6 hours. It can be disposed between the palm and the glove, between the foot arch and the sock, between the lumbar muscles and the waistband or in a clothes bag. It is suitable for students and outdoor workers in winter particularly.

Description

Miniature self-heating heating sheet

One, technical field

This utility model relates to a kind of heating installation, a kind of specifically miniature self-heating heating sheet that utilizes chemical reaction to carry out the slow release heat release.

Two, background technology

One to winter, especially enters cold day of three nine-day periods after the winter solstice, and people need warming and heat insulation, attack with severe cold prevention.The past people burn coal and burn the material heating, now with coal gas, air-conditioning, electric heating method heating.Yet, when people walk out outdoor or in the local work that does not have heating system or when study, just can't warm oneself, especially in southern vast zone, do not have heating system in the schoolhouse, hundreds of millions of large, medium and small students is sitting in for a long time in the ice-cold classroom and gives a lesson, trick is ice-cold, so that grow chilblain, trick is chapped, sufferings unbearably, not only influence study also causes direct influence to physical and mental health.

In order to solve the heating problem, our ancestor and current experts and scholars have carried out long-term exploration for this reason, have developed various Warm-keeping garments and sock and glove, have also made various handwarmers.Light heating launch such as Diannuanbao are arranged again in recent years, very popular.But the handwarmer volume is big, Heavy Weight, only be fit to the old people, be not suitable for vast student and outside work person heating, and the warmer of Diannuanbao and so on all is to make with hard material on the structure, can only be placed in the pocket, heating problem when can't resolve the student and going up class hour and people's outside work, and the every use of Diannuanbao will charge once in 1-2 hour, more can't satisfy the needs that the student gives a lesson continuously.For this reason, the applicant once proposed and had obtained a patent No. 200420062806.5, the utility model patent of " self-heating trick warming sheet " by name, the patented product is that a heating chip is placed among the packaging bag, by chemical substance and oxygen reaction in the heating chip and emit the purpose that heat reaches heating.The practice test of time by more than a year finds that the patented product still has weak point, only depends on the air penetrability oxygen supply deficiency of chip self micropore, causes the thermal response instability.

Three, summary of the invention

1, goal of the invention: the purpose of this utility model provides a kind of miniature self-heating heating sheet, this warming sheet weight has only several grams, thickness has only several millimeters, overall dimensions also has only several centimetres, material softness, exothermic reaction can be regulated and control and be stable, not heat release in storing process, only just heat release when needs use, and can in 40-50 ℃ of scope, be incubated 4-6 hour, can arbitrarily be placed between the palm of the hand and the glove, between arch of the foot and the socks, between psoas muscle and the belt or in the pocket.

2, technical scheme: miniature self-heating heating sheet described in the utility model, it is characterized in that: it comprises chemical exothermic agent or oxygen absorbent, packing inside bag and the outer packaging bag of being made by the high-barrier transparent plastic, the described packing inside bag that chemical exothermic agent or oxygen absorbent are housed is arranged in the sealed external package bag, is shaped on micropore on packing inside bag in advance.

Chemistry exothermic agent or oxygen absorbent are made up of reduced iron powder, Sal etc., its principle is that chemical exothermic agent and oxygen absorbent are met oxygen generation exothermic oxidation reaction, produce heat, changing its prescription is adjustable thermal response speed, temperature and response time, reaches the purpose of the warm trick of slow heat release.

Packing inside bag can be made by non-woven fabrics and polyethylene or composite plastic of polypropylene thin film, be non-woven fabrics/PE or non-woven fabrics/CPP, also can adopt OPP/ paper/PE, PET/ paper/CPP, OPP/ paper/CPP, PET/ paper/PE, PET/ paper/CPP, paper/PE, composite plastic films such as paper/CPP are made, certainly preferably adopt non-woven fabrics and polyethylene or composite plastic of polypropylene thin film, because nonwoven cloth material quality softness, more comfortable with contact skin, and composite polyethylene or polyacrylic film, the one, because it can hot weld, be convenient to automatic packaging production, the 2nd, because it can prevent that the microgranule in the component of chemical exothermic agent or oxygen absorbent from spilling with non-woven fabrics.On packing inside bag, be shaped on micropore in advance,, carry out exothermic reaction so that airborne oxygen can fully enter chemical exothermic agent or oxygen absorbent.

Outer packaging bag is made by the high-barrier transparent plastic, as the transparent composite plastic film of PET/PE, PET/CPP, KPET/PE, KPET/CPP, PA/PE, PA/CPP, KPA/PE, KPA/CPP, KOP/PE, KOP/CPP or EVOH/EVAL, its effect is the control exothermic reaction, when non-working condition, stop oxygen to enter, prevent that chemical exothermic agent in the packing inside bag or oxygen absorbent and oxygen from reacting.During use, tear outer packaging bag and take out packing inside bag wherein and place it in the position that needs heating, the chemical substance in the very fast packing inside bag promptly reacts with oxygen and discharges heat.Because in a single day outer packaging bag is opened with air and contact, warming sheet promptly becomes user mode, so the packing inside bag that chemical exothermic agent or oxygen absorbent are housed of general placement reasonable volume in the outer packaging bag can be a slice, two or four.

3, beneficial effect: this utility model compared with prior art has the following advantages: (1) ultralight is thin, only several grams of the weight of warming sheet, and thickness is the 2-3 millimeter only; (2) miniature, the profile length and width only have several centimetres; (3) self-heating need not charging heating during use, open outer packaging bag after, packing inside bag just sends stable heat; (4) can directly be attached to human body to the sensitive part palm of the hand of cold or arch of the foot, give full play to the thermogenetic effect of heat energy; (5) can prevent the long chilblain of trick and chap; (6) the quality softness is comfortable, can not put the hands leg rest; (7) be placed on the palm of the hand, finger can be crooked, do not influence the student and write on class, the person's that also do not influence the outside work normal activity; (8) temperature level of heat release and time length can be regulated and control, and generally can be incubated 4-6 hour in 40-50 ℃ of scope; (9) in exothermic reaction, send minute moisture, the effect that prevents the rhagadia manus et pedis in winter is arranged; (10) in heat release, can send fragrant fragrance, can alleviate foot odor; (11) when not opening outer packaging bag, warming sheet is not worked, in case open outer packaging bag, warming sheet enters duty at once, preserves, uses all very convenient; (12) cheap, about ten days about three yuans, calculated with 60 days a winter, is less than 20 yuan, generally can bear per capita.(13) can realize mechanization production in enormous quantities.

Four, description of drawings

Fig. 1 is a structural representation of the present utility model.

Five, the specific embodiment

As shown in Figure 1, miniature self-heating heating sheet described in the utility model comprises chemical exothermic agent or oxygen absorbent 1, packing inside bag 2 and outer packaging bag 3, described chemical exothermic agent or oxygen absorbent 1 are contained in the packing inside bag 2, chemistry exothermic agent or oxygen absorbent are made up of reduced iron powder, Sal etc., its principle is that chemical exothermic agent and oxygen absorbent 1 are met oxygen generation exothermic oxidation reaction, produces heat.Chemistry exothermic agent or oxygen absorbent 1 are contained in the packing inside bag 2 and heat-sealing, the heat-sealing back becomes toe 5 at the tetragon of packing inside bag 2, packing inside bag 2 is composited by nontoxic softish non-woven fabrics/PE plastics, can certainly select for use composite plastic films such as non-woven fabrics/CPP, OPP/ paper/PE, PET/ paper/CPP, OPP/ paper/CPP, PET/ paper/PE, PET/ paper/CPP, paper/PE, paper/CPP to make.On the thin film of packing inside bag 2, be shaped on ventilating microhole 4 in advance,, make chemicals mass-energy carry out the oxygen uptake exothermic reaction of fast and stable to guarantee that oxygen is unimpeded.The packing inside bag 2 that is loaded with chemical exothermic agent or oxygen absorbent 1 is sealed in the outer packaging bag 1, outer packaging bag 1 adopts high-barrier low oxygen flow material PET/PE, PET/CPP, KPET/PE, KPET/CPP, PA/PE, PA/CPP, KPA/PE, KPA/CPP, KOP/PE, KOP/CPP or the transparent composite plastic film of EVOH/EVAL to make, and forms toe 6 after the hot weld.The function of outer packaging bag 3 is control exothermic reactions, when non-working condition, stop oxygen to enter, prevent that chemical exothermic agent or oxygen absorbent 1 in the packing inside bag 2 from reacting with oxygen, in case tear outer packaging bag 3, chemical exothermic agent in the packing inside bag 2 or oxygen absorbent 1 promptly contact with oxygen and react, and emit heat.In addition, miniature self-heating heating sheet also has another kind of structure, it is not prefabricated ventilating microhole 4 on the packing inside bag 2, in storage and transport process, chemical exothermic agent or oxygen absorbent 1 in the packing inside bag 2 do not contact with oxygen, so can't work, can save outer packaging bag 1 like this, thereby save production cost.And when needs use,, make oxygen enter in the packing inside bag 2 and react with chemical exothermic agent or oxygen absorbent 1 at the micropore 4 of pricking suitable quantity on the packing inside bag 2 by user oneself, the evolution of heat, this moment, warming sheet just entered duty.

Claims

1, a kind of miniature self-heating heating sheet, it is characterized in that: it comprises the outer packaging bag (3) that chemical exothermic agent or oxygen absorbent (1), packing inside bag (2) and high-barrier transparent plastic are made, the described packing inside bag (2) that chemical exothermic agent or oxygen absorbent (1) are housed is arranged in the sealed external package bag (3), is shaped on micropore (4) on packing inside bag (2) in advance.

2, miniature self-heating heating sheet according to claim 1 is characterized in that: described packing inside bag (2) is the packing inside bag by non-woven fabrics/PE, non-woven fabrics/CPP, OPP/ paper/PE, PET/ paper/CPP, OPP/ paper/CPP, PET/ paper/PE, PET/ paper/CPP, paper/PE or paper/the CPP composite plastic film is made.

3, miniature self-heating heating sheet according to claim 1 is characterized in that: described outer packaging bag (3) is the outer packaging bag of being made by the transparent composite plastic film of PET/PE, PET/CPP, KPET/PE, KPET/CPP, PA/PE, PA/CPP, KPA/PE, KPA/CPP, KOP/PE, KOP/CPP or EVOH/EVAL.