Straight sliding type stepless light modulator

Straight sliding type stepless light modulator

  • CN 101,179,889 B
  • Filed: 11/10/2006
  • Issued: 10/26/2011
  • Est. Priority Date: 11/10/2006
  • Status: Active Grant
First Claim
Patent Images

1. straight sliding type stepless light modulator, it is characterized in that:

  • it comprises;

    box body and be arranged on circuit board assemblies, light modulation action component and radiator structure and a push rod in the box body, wherein,Described circuit board assemblies comprises;

    switching mechanism, circuit and some power lines;

    It comprises described switching mechanism;

    two-way movable contact spring, unidirectional movable contact spring, unidirectional static contact and contact base, the contact place of described two-way movable contact spring is provided with two-way contact, the contact of described unidirectional movable contact spring or unidirectional static contact, corresponding with the contact of described two-way movable contact spring respectively, the tail end of described two-way movable contact spring is arranged on the described contact base, and described contact base is arranged on the described circuit board;

    Described power line is welded on the circuit board, is used for linking to each other with power supply and load;

    Described light modulation action component comprises;

    push rod cap, linear sliding potentiometer, and described push rod cap is arranged on the potentiometer handle of described linear sliding potentiometer, and described potentiometer is arranged on the circuit board;

    Described push rod slides between described two-way movable contact spring and described unidirectional movable contact spring, and described pushing rod sleeve is located on the potentiometer handle of described linear sliding potentiometer;

    The resistance that changes described linear sliding potentiometer by the push rod cap realizes the light modulation effect;

    Described radiator structure is a heat sink, and the heater element on the described circuit board links to each other with described heat sink.

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