Load control apparatus

Load control apparatus

  • CN 101,494,371 A
  • Filed: 01/23/2009
  • Published: 07/29/2009
  • Est. Priority Date: 01/25/2008
  • Status: Active Application
First Claim
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1. load control apparatus, be configured to detect indirectly the overcurrent that in the electrical conductive elements that belongs to load current circuit (20) (4), produces based on the rising of temperature, the magnitude of current that promptly surpasses the predetermined limit definite value, it is characterized in that, described load control apparatus (30) comprising:

  • the Control current circuit, described Control current circuit comprises thermoswitch parts (S), and described thermoswitch parts (S) can change its operating state in response to temperature is elevated to predetermined value;

    And control unit (32), described control unit (32) is configured to detect the variation of the operating state of described thermoswitch parts (S), and the overcurrent that detects generation in the described electrical conductive elements (4) on this basis, described thermoswitch parts (S) are configured to be connected to heat conduction object component, under working condition, flow through at least a portion of the load current of described electrical conductive elements (4) in the described object component, and described thermoswitch parts (S) also are configured to electrical conductive elements (4) electric insulation with described load current circuit.

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