Device for protecting temperature of brushless DC motor

Device for protecting temperature of brushless DC motor

  • CN 101,282,056 B
  • Filed: 08/13/2007
  • Issued: 08/06/2014
  • Est. Priority Date: 04/04/2007
  • Status: Active Grant
First Claim
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1. a device for protecting temperature of brushless dc motor, it is characterized in that, the recess place forming in the Brushless DC motor housing exterior of plastic packaging arranges the protector of the disconnected type of hot melt, the position that IC, the FET that described recess is the driving use in the driving loop on substrate, the component that resistance height is low form;

  • Described recess is that in the driving loop on substrate, the highest component of heating drives the top with IC;

    The protector of described fusing type is made up of Thermal Cutoffs and fixed cap, in the middle of this fixed cap, is provided with groove, and Thermal Cutoffs embeds in above-mentioned groove, by fixed cap, this Thermal Cutoffs is fixed on motor case;

    The line outlet of described groove prolongs outside direction and becomes large;

    The line outlet side of described groove is provided with the perforate that coordinates motor case projection, and a side of perforate is also provided with the second line outlet.

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