The measuring device of miniature circuit breaker arc-chutes transient magnetic field

The measuring device of miniature circuit breaker arc-chutes transient magnetic field

  • CN 103,954,919 B
  • Filed: 04/28/2014
  • Issued: 04/27/2018
  • Est. Priority Date: 04/28/2014
  • Status: Active Grant
First Claim
Patent Images

1. a kind of miniature circuit breaker for being provided with heat-insulated hall sensor component, including miniature circuit breaker, miniature circuit breaker includePlastic housing, is equipped with sound conducting rod, store elastic part, bimetal leaf and arc-chutes, one end of static conductive rod is connected with plastic housingEnd of incoming cables, the other end of static conductive rod are connected by run-on tab with arc-chutes, and one end of store elastic part is connected with moving conductive rod,The other end of store elastic part is connected by flexible cord with bimetal leaf one end, and the other end of bimetal leaf is connected with leading-out terminal, goes outArc extinguishing grid pieces are equipped with arc chamber, it is characterised in that:

  • Heat-insulated hall sensor component, the heat-insulated Hall are also equipped with arc-chutesSensor component includes the Hall sensor that outside is enclosed with thermally insulating housing, and the thermally insulating housing includes heat insulation shell and heat-insulated envelopeCover, be equipped with installation cavity in heat insulation shell, the Hall sensor is placed in installation cavity and adiabatic gum, Hall are inoculated with installation cavitySensor is fixedly connected by adiabatic gum with heat insulation shell, it is heat-insulated be covered on heat insulation shell equipped with opening one end and with instituteHeat insulation shell sealed connection is stated, the pin being arranged on Hall sensor is exposed outside through heat-insulated capping;

    Cylindrical-shaped structure is made by laminated phenolic paper plate in the heat insulation shell, and the heat-insulated capping is made of laminated phenolic paper plate,Adiabatic gum be it is a kind of by isocyanate component and polyol at room temperature through mixed at high speed and made of adiabatic gum.

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