Digital display squelch waveguide gas filler

Digital display squelch waveguide gas filler

  • CN 2,259,689 Y
  • Filed: 06/29/1995
  • Issued: 08/13/1997
  • Est. Priority Date: 06/29/1995
  • Status: Active Grant
First Claim
Patent Images

1. , digital display type noise elimination waveguide inflator, comprise gas path device and circuit arrangement, gas path device comprises air filter (1), electromagnetic pump (2), drying (3), electromagnetically operated valve (4), four-way body (14) and pressure sensor (5), circuit arrangement comprises signal generator (6), electronic commutation switch (7), electromagnetic pump (2), pressure sensor (5), nixie display (9) and controller (13), it is characterized in that:

  • the output of DC power supply is connected on controller (13) respectively, reference power supply (12), amplifier (10), the input of A/D converter (8) and nixie display (9), the output of the input termination controller (13) of signal generator (6), the input of its output termination electronic commutation switch (7), the input of the output termination electromagnetic pump (2) of electronic commutation switch (7), another input termination air filter (1) of electromagnetic pump (2), the input of the output termination drying (3) of electromagnetic pump (2), the input of the output termination electromagnetically operated valve (4) of drying (3), the input of the output termination four-way body (14) of electromagnetically operated valve (4), an output termination pressure sensor (5) of four-way body (14), two outputs communicate with the external world in addition, the output of pressure sensor (5) connects the input of A/D converter (8) and amplifier (10) respectively, output termination nixie display (9) input of A/D converter (8), the output of the output of amplifier (10) and reference power supply (12) is connected on two inputs of double-limit comparator (11) respectively, the output of double-limit comparator (11) is connected on the input of controller (13), and the output of controller (13) is connected on signal generator (6) respectively, the input of electronic commutation switch (7) and electromagnetically operated valve (4).

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