Winter is here, we all widely selected hand-warming bags for heating, the following I will give the big guys to introduce the hand-warming bags categorized as what.
Hot water bags filled with water domestically produced goods are electric heaters and hot water bags sub-categories. From the heating principle of the hot water bag sub, there are electrode type and electric heating components type two categories.
1. solid electric heating cake, the addition of its filling is insulation cotton (such as; asbestos fiber and other) principle is: with dual temperature control electrothermal energy storage technology type construction, electric hot water bag manufacturer slowly release the heat. Contains automatic overheating protection equipment and automatic insulation labeling equipment, a small electric stove controlled by the PTC thermistor switch, PTC is a positive temperature index of the thermistor, when the alternating current passes through itself will be hot (the heat generated by the electric stove will also be transmitted to it), when the temperature reaches a certain value, it resistor will suddenly expand, can be regarded as broken, so the heat treasure at this time to terminate the consumption of electromagnetic energy, later by Insulation cotton insulation of the electric furnace to slow down the exothermic reaction.
2. soft plastic liquid electric heat treasure application of new technology application of energy storage technology heater, water and electricity separation hot water bag factory heating raise temperature quickly. Disposable irrigation, eternal application, distinctive explosion-proof no ironing shirt equipment, temperature control maintenance; long service life; insulation for a long time and other advantages. The principle is improved on the premise of solid state electric heating cake, the choice of electrode type heating method, high quality temperature control and thermal circuit breaker two-way temperature control commercial insurance. Usually the bag liquid temperature to 65 degrees when the temperature controller will automatically disconnect the power circuit to terminate the heating and once the temperature controller manipulation failure, the thermal circuit breaker cut off the power supply, stop heating, need to remove and replace the new product, please do not try to repair.
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