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Dynamic control function testing device of digital temperature indication accommodometer

A digital temperature and functional testing technology, applied in temperature control, non-electric variable control, electrical testing/monitoring, etc., can solve problems such as complex control signal functions

Inactive Publication Date: 2008-07-16
SHENYANG HEAVY MACHINERY GROUP
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Problems solved by technology

The function of the control signal is more complicated

Method used

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  • Dynamic control function testing device of digital temperature indication accommodometer
  • Dynamic control function testing device of digital temperature indication accommodometer

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Embodiment Construction

[0010] Referring to the accompanying drawings, the dynamic control function test device of the digital temperature indicating regulator consists of a voltage indicator 1, an ammeter 2, a recording regulator 3, a cycle controller 4, a power indicator 5, an operation indicator 6, a stop indicator 7, Temperature alarm lamp 8, transfer switch 9, start / stop knob 10, on / off knob 11, power button 12, measurement signal jack 13, control signal jack 14, switch signal jack 15, digital temperature regulator 16 , solid state relay 17, thyristor 18, tubular heating furnace 19, and thermocouple 20. Because different digital temperature indicating regulators have different control signal outputs, when the control signal output of the temperature control instrument is voltage output and thyristor trigger output When outputting linear current and linear current, there is a set of control systems respectively, and a transfer switch can be used to switch between the three. The working principle ...

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Abstract

A dynamic control function test device of a digital temperature indicating adjuster used in the heat treatment electric furnace industry comprises a voltage dial gauge, an ammeter, a record adjuster, a cycle controller, a power light, an operation indicator light, a stop indicator light, a temperature warning light, a change-over switch, a start / stop turnbutton, a switching on / off turnbutton, a power source press button, a digital temperature adjuster, a solid state relay, a thyristor, a tube-type heating furnace and a thermocouple, etc. Because different digital temperature indicating adjusters have different control signal outputs, when the control signal outputs of a temperature control meter are respectively voltage output, thyristor triggering output and linear current output, each output has a set of control system; moreover, the three control systems are switched over by the change-over switch. The device can analyze the dynamic temperature control property of different types of temperature control meters, and can learn the current strength of the tube-type heating furnace; moreover, through setting a digital temperature indicating adjuster (PID) and a temperature curve, a temperature control curve is observed by a recorder so as to analyze the implementation procedure and stability degree of the temperature curve.

Description

Technical field: [0001] The invention relates to a dynamic control function test device of a digital temperature indication regulator for the temperature control instrument dynamic control function test in the heat treatment electric furnace industry. Background technique: [0002] At present, the digital temperature indicating regulator is an essential instrument for temperature control of various heat treatment electric furnaces (such as: hot blast furnace, pit furnace, carburizing furnace and nitriding furnace, etc.). The comprehensive output signal function of the digital temperature indicating regulator is divided into three parts: one is the measurement signal: verify the error of the indication value, and display the temperature value on site. The second is the control signal: including: voltage output: used to drive SSR solid state relay; thyristor trigger output: trigger 5-500A bidirectional thyristor, two unidirectional thyristors are connected in antiparallel; lin...

Claims

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Application Information

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IPC IPC(8): G05B23/02G05D23/00G05D23/22
Inventor 张新秀董加林周再山卫坤刘春田孟丽萍孟繁荣王博王尔君石永贤张广权
Owner SHENYANG HEAVY MACHINERY GROUP
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