Production process of heating cushion with short-circuit protection function
The invention discloses a production process of a heating cushion with a short-circuit protection function. The production process comprises the following steps: a, preparation of raw materials: preparing required cloth, and mounting the cloth on a cloth frame; b, compounding: respectively rolling t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a production process of a heating cushion with a short-circuit protection function. The production process comprises the following steps: a, preparation of raw materials: preparing required cloth, and mounting the cloth on a cloth frame; b, compounding: respectively rolling the two rolls of cloth into compounding equipment, and compounding the two pieces of cloth in the compounding equipment; c, tailoring: tailoring the compounded cloth, and removing burrs on the cloth; d, embossing: embossing pits on the cut cloth; e, glue spraying: spraying glue in the pits formed inthe step d; f, assembling: arranging a transient suppression circuit, voltage, current and short-circuit signal samplers, an MOSFET, an MCU single-chip microcomputer and a heating part in the pits treated in the step e; and g, sewing and edge covering: covering the cloth with sponge and another layer of cloth, sewing the covered cloth with the original cloth, and performing edge covering treatmentto obtain a cushion produ |
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