Testing device for detecting service life of proportional electromagnetic valve

Testing device for detecting service life of proportional electromagnetic valve

The invention relates to a testing device for detecting the service life of a proportional electromagnetic valve. The testing device comprises a gas circuit part and a driving control part, the gas circuit part sequentially comprises a gas source, a gas pressure regulating valve, a gas filter, a nee...

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Hauptverfasser: REN SHIYONG, BAO HUILI, XIAO YONG, TIAN YUPENG, LIU SHUAI, SU JING
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator REN SHIYONG
BAO HUILI
XIAO YONG
TIAN YUPENG
LIU SHUAI
SU JING
description The invention relates to a testing device for detecting the service life of a proportional electromagnetic valve. The testing device comprises a gas circuit part and a driving control part, the gas circuit part sequentially comprises a gas source, a gas pressure regulating valve, a gas filter, a needle valve and a digital display pressure gauge; the gas circuit part provides required gas flow for the proportional electromagnetic valve to be tested; the driving control part mainly comprises a power supply module, a sensor signal conditioning circuit, a driving circuit, a digital IO module and a main control computer; the driving control part can modulate the duty ratio by setting the pulse width according to the actual flow requirement of the proportional electromagnetic valve, so that the outlet gas flow rate of the proportional electromagnetic valve is controlled. The device is high in integration level and strong in universality, and can simply and conveniently test the service life of the proportional elec
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The testing device comprises a gas circuit part and a driving control part, the gas circuit part sequentially comprises a gas source, a gas pressure regulating valve, a gas filter, a needle valve and a digital display pressure gauge; the gas circuit part provides required gas flow for the proportional electromagnetic valve to be tested; the driving control part mainly comprises a power supply module, a sensor signal conditioning circuit, a driving circuit, a digital IO module and a main control computer; the driving control part can modulate the duty ratio by setting the pulse width according to the actual flow requirement of the proportional electromagnetic valve, so that the outlet gas flow rate of the proportional electromagnetic valve is controlled. 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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Testing device for detecting service life of proportional electromagnetic valve
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