Multi-parameter optimization measurement and control circuit, experiment system and experiment method

A multi-parameter, circuit technology, applied in control/regulation systems, non-electric variable control, and simultaneous control of multiple variables, etc., can solve the problems of inaccurate experimental data and data deviation, and achieve accurate results and accurate experimental data. Effect

Pending Publication Date: 2020-06-02
ANHUI ZEZHONG SAFETY TECH +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing technology does not solve the problem of data deviation caused by changes in temperature, humidity and wind speed in the experimental environment in the wind tunnel test research, resulting in inaccurate experimental data.

Method used

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  • Multi-parameter optimization measurement and control circuit, experiment system and experiment method
  • Multi-parameter optimization measurement and control circuit, experiment system and experiment method
  • Multi-parameter optimization measurement and control circuit, experiment system and experiment method

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Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the circuit structure of the temperature and humidity correction circuit and the multi-parameter optimization measurement and control circuit, the multi-parameter optimization measurement and control circuit is essentially a temperature and wind speed correction circuit, and the temperature and wind speed correction circuit includes sequentially numbered resistors R1 to R20 and sequentially numbered Amplifier U1 to amplifier U5, the resistors use precision resistors with an accuracy of 0.1%, amplifiers U1 to amplifier U5 use INA821 instrumentation amplifiers, one end of resistor R1 is connected to the temperature sensor, one end of resistor R7 is connected to the reference voltage of the temperature sensor at normal temperature, and the resistor The other end of R1 is connected to one end of resistor R2 and the non-inverting end of amplifier U1, the other end of resistor R7 is connected to one end of resistor R8 and the inverting end of amplifi...

Embodiment 2

[0040] Such as image 3Shown, a kind of experimental system, comprises the multi-parameter optimization measurement and control circuit that is used for eliminating the error that hydrogen sulfide and carbon monoxide influences with temperature and wind speed that embodiment 1 discloses, data acquisition controller, is used for eliminating pressure and illuminance with temperature A temperature and humidity correction circuit, a current sensor, a humidifier, a refrigerator, a fan, and an industrial computer for reducing the error caused by an increase in humidity, the input of the temperature and humidity correction circuit is connected to several sensors, and the output of the temperature and humidity correction circuit is connected to data Acquisition controller, the input end of the multi-parameter optimization measurement and control circuit is connected to several sensors, the output end of the multi-parameter optimization measurement and control circuit is connected to th...

Embodiment 3

[0049] Such as Figure 4 As shown, corresponding to Embodiment 2 of the present invention, Embodiment 3 of the present invention also provides an experimental method, which is applied to the experimental system described in Embodiment 1, and the method includes:

[0050] Step 1: Turn on the power, turn on the industrial computer, use the industrial computer to control the fan, humidifier and refrigerator, change the wind speed, temperature and humidity, and conduct the no-fire experiment, smoldering experiment and open flame experiment respectively; no-fire experiment, smoldering experiment And the open flame experiment belongs to the existing relatively mature experimental technology. The design point of this application is to provide an experimental system and method for studying the influence of the multi-disaster coupling environment on the sensor. The no-fire experiment, smoldering experiment and open flame experiment will not be expanded too much. The following Briefly i...

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PUM

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Abstract

The invention discloses a multi-parameter optimization measurement and control circuit, an experiment system and an experiment method. The experiment system comprises a data acquisition controller, atemperature and humidity correction circuit, a current sensor, a multi-parameter optimization measurement and control circuit, a humidifier, a refrigerating machine, a fan and an industrial personal computer. The input end of the temperature and humidity correction circuit is connected with a plurality of sensors; the output end of the temperature and humidity correction circuit is connected withthe data acquisition controller; the input end of the multi-parameter optimization measurement and control circuit is connected with a plurality of sensors, and the output end of the multi-parameter optimization measurement and control circuit is connected with the data acquisition controller; the output end of the current sensor is connected with the data acquisition controller; the humidifier, the refrigerating machine and the fan are connected with the data acquisition controller through switches; and the industrial personal computer is connected with the data acquisition controller. The system has the advantages that data deviation generated by changes of temperature, humidity and wind speed in an experimental environment can be eliminated, so that experimental data is relatively accurate.

Description

technical field [0001] The invention relates to the field of fire safety, and more specifically relates to a multi-parameter optimization measurement and control circuit, an experiment system and an experiment method. Background technique [0002] The wind tunnel laboratory is a kind of pipeline experimental equipment that artificially generates and controls the air flow to simulate the flow of air around the aircraft or the entity, and can measure the effect of the air flow on the entity and observe physical phenomena. It is an aerodynamic experiment One of the most used and effective tools. According to different uses, it can be divided into architectural wind tunnels, environmental wind tunnels, and automotive-specific wind tunnels. Among them, architectural wind tunnels mainly carry out wind resistance research on civil structures, such as high-rise buildings, large bridges, transmission line towers and other structures. . [0003] Chinese Patent Publication No. CN1105...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/06G05D27/02
CPCG01M9/06G05D27/02
Inventor 王静舞关劲夫武金模疏学明吴津津
Owner ANHUI ZEZHONG SAFETY TECH
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