CN119880038A - Environment parameter monitoring method used under high pressure - Google Patents
Environment parameter monitoring method used under high pressure Download PDFInfo
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- CN119880038A CN119880038A CN202510086962.1A CN202510086962A CN119880038A CN 119880038 A CN119880038 A CN 119880038A CN 202510086962 A CN202510086962 A CN 202510086962A CN 119880038 A CN119880038 A CN 119880038A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
本发明公开了一种高压下使用的环境参数监测方法，包括系统上电经初始化后，首先读取环境参数的原始浓度数据，经温度湿度压力补偿后输出氧气、二氧化碳浓度，将补偿后的气体浓度和压力、温度信息通过显示屏显示，同时与设定的报警阈值对比，若浓度数值超过阈值，则发出声光报警信号，本发明的环境参数监控系统，对各环境参数均设置有报警阈值，当环境参数超过设定的报警阈值后，可以声光报警方式进行提醒，为用户采取有效的防护措施提供依据，实现了常压及高压下环境参数的实时、高精度、宽量程的精确测量，环境参数数据和报警信息均可存储和导出，保证了数据的时效性与准确性。
The invention discloses an environmental parameter monitoring method used under high pressure, comprising: after the system is powered on and initialized, firstly reading the original concentration data of the environmental parameters, outputting the oxygen and carbon dioxide concentrations after temperature, humidity and pressure compensation, displaying the compensated gas concentration and pressure and temperature information through a display screen, and comparing with a set alarm threshold at the same time, if the concentration value exceeds the threshold, sending out an audible and visual alarm signal, the environmental parameter monitoring system of the invention is provided with an alarm threshold for each environmental parameter, when the environmental parameter exceeds the set alarm threshold, it can be reminded in the form of an audible and visual alarm, providing a basis for the user to take effective protective measures, realizing real-time, high-precision and wide-range accurate measurement of environmental parameters under normal pressure and high pressure, environmental parameter data and alarm information can be stored and exported, ensuring the timeliness and accuracy of the data.
Description
Technical Field
The invention relates to the technical field of environmental parameter monitoring systems, in particular to an environmental parameter monitoring method used under high pressure.
Background
The oxygen/carbon dioxide detection method comprises the traditional chemical detection technology, the sensing detection technology, the electrochemical sensing detection technology and the laser spectrum detection technology. The traditional chemical detection technology needs sampling and testing, and cannot detect the concentration in real time; the metal oxide sensing method is characterized in that the concentration is calculated according to the principle that the conductivity of a semiconductor is changed by the adsorption of the detected gas, but the metal oxide sensing method is poor in stability due to the influence of environment and interference gas and is not suitable for high-precision detection occasions, the electrochemical sensing technology utilizes the detected gas and an electrode to carry out electrochemical reaction for detection, the electrode belongs to consumable materials and needs to be replaced regularly, the laser spectrum detection technology is based on the characteristic of gas fingerprint, and the advantages of high selectivity, high sensitivity, rapid response, non-invasive performance, on-line monitoring and the like are achieved by measuring parameters related to the spectral characteristic of the detected gas, the metal oxide sensing method belongs to the mainstream technology of high-performance gas sensing research and application, but the oxygen, carbon dioxide, temperature and pressure detection are integrated at present, the high-precision and anti-interference characteristics are still available for detection devices in high-pressure environments, and therefore, an improved technology is needed to solve the problem existing in the prior art.
Disclosure of Invention
The invention aims to provide an environment parameter monitoring method which is provided with alarm thresholds for all environment parameters, can remind an audible and visual alarm mode when the environment parameters exceed the set alarm thresholds, provides a basis for users to take effective protective measures, realizes real-time, high-precision and wide-range accurate measurement of the environment parameters under normal pressure and high pressure, can store and derive environment parameter data and alarm information, and ensures the timeliness and accuracy of the data.
In order to achieve the above purpose, the invention provides a method for monitoring environmental parameters used under high pressure, which comprises the following steps of
S1, powering up an environment parameter monitoring device system and initializing;
s2, firstly, original concentration data of environmental parameters are read;
S3, outputting the concentration of oxygen and carbon dioxide after temperature, humidity and pressure compensation, and displaying the compensated gas concentration, pressure and temperature information through a display screen;
S4, comparing the gas concentration, pressure and temperature information with a set alarm threshold value, judging whether the concentration value exceeds the alarm threshold value, if so, prompting through audible and visual alarm, and storing the value;
and S5, if the detected concentration value does not exceed the alarm threshold value, displaying the current value and storing the value.
Preferably, the environmental parameter monitoring device in the S1 mainly comprises an environmental parameter detection unit, a signal processing unit, a power supply unit, a man-machine interaction unit, a gas circuit unit and a complete machine case;
The environment parameter detection unit comprises an oxygen detection unit and a carbon dioxide detection unit, wherein the oxygen detection unit and the carbon dioxide detection unit both adopt a tunable diode laser spectrum absorption technology in a laser spectrum detection technology;
The signal processing unit is a main control board;
the power supply unit comprises a power panel and a battery;
The man-machine interaction unit comprises an industrial control and display screen;
the air circuit unit is mainly an air pump, a flow sensor and a connected pipeline, and the air pump and the flow sensor are installed in a matched mode with the connected pipeline.
Preferably, the pressure detection module and the temperature detection module on the environmental parameter monitoring device detect the environmental pressure and the environmental temperature in real time;
The gas to be measured is sent into a flow sensor of the environmental parameter monitoring device by an air pump after passing through a filter, then the gas to be measured is sequentially sent into an oxygen detection unit air chamber, a carbon dioxide detection unit air chamber, and a concentration signal is calculated by inversion of a data processing module.
Preferably, the oxygen detection unit and the carbon dioxide detection unit are based on the TDLAS principle, and the oxygen detection unit and the carbon dioxide detection unit comprise a laser, a gas chamber, a detector and a data processing module.
Preferably, the pressure detection module detects pressure information based on the diffused silicon principle.
Preferably, the environmental parameters in the S2 are sent to the signal processing unit through the serial port, and after data compensation and linear calibration, the environmental parameters are sent to the man-machine interaction unit for display, and environmental grading judgment is given;
the serial port comprises two digital communication interfaces, namely RS232 and USB.
Compared with the prior art, the invention has the beneficial effects that:
The environment parameter monitoring system is provided with the alarm threshold value for each environment parameter, and can remind the user in an audible and visual alarm mode after the environment parameter exceeds the set alarm threshold value, so that basis is provided for effective protection measures to the user, real-time, high-precision and wide-range accurate measurement of the environment parameter under normal pressure and high pressure is realized, environment parameter data and alarm information can be stored and exported, and timeliness and accuracy of the data are ensured.
Drawings
FIG. 1 is a schematic diagram of the operation process of the environmental parameter monitoring device system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIG. 1, the present invention provides a method for monitoring environmental parameters under high pressure, wherein the system of the environmental parameter monitoring device is powered on and initialized, first, the original concentration data of the environmental parameters are read, the oxygen and carbon dioxide concentrations are output after temperature, humidity and pressure compensation, and the compensated gas concentration, pressure and temperature information is displayed through a display screen.
And comparing the gas concentration, pressure and temperature information with a set alarm threshold value, judging whether the concentration value exceeds the alarm threshold value, prompting through audible and visual alarm if the concentration value exceeds the alarm threshold value, storing the value, and displaying the current value and storing the value if the detected concentration value does not exceed the alarm threshold value.
The environment parameter monitoring device mainly comprises an environment parameter detection unit, a signal processing unit, a power supply unit, a man-machine interaction unit, a gas circuit unit and a complete machine case.
The environment parameter detection unit comprises an oxygen detection unit and a carbon dioxide detection unit, wherein the oxygen detection unit and the carbon dioxide detection unit both adopt a tunable diode laser spectrum absorption technology in a laser spectrum detection technology.
The oxygen detection unit and the carbon dioxide detection unit in the system both adopt a tunable diode laser spectrum absorption technology in a laser spectrum detection technology, the technology is based on Beer-Lambert law, the principle that the absorption intensity of the detected gas to the light with specific frequency is in direct proportion to the gas concentration is utilized, a tunable diode laser is used as a light source, the narrow linewidth and wavelength tunable characteristic of the laser are utilized, the output wavelength of the laser is regulated, the gas absorption spectral line is scanned, the absorbed transmitted light intensity is analyzed, and the gas concentration is obtained.
The signal processing unit is a main control board, the power supply unit comprises a power panel and a battery, charging and battery power management after AC/DC conversion are completed, and the man-machine interaction unit comprises an industrial control and display screen, and functions of information display such as concentration and the like, historical data storage, parameter setting interfaces, environment grade assessment and the like are completed.
The air circuit unit is mainly an air pump, a flow sensor and a connected pipeline, and the air pump and the flow sensor are installed in a matched mode with the connected pipeline.
The oxygen detection unit and the carbon dioxide detection unit are used for detecting the concentration of oxygen and carbon dioxide in normal pressure and high pressure environments based on the TDLAS principle, and comprise a laser, an air chamber, a detector and a data processing module, so that the conversion of spectrum signals is completed, the processing such as amplification, filtering and modulation of the spectrum signals is performed, and concentration data is sent to the control module through a serial port.
The pressure detection module and the temperature detection module on the environmental parameter monitoring device detect the environmental pressure and the temperature in real time, the pressure detection module detects the pressure information based on the diffusion silicon principle, the temperature detection module detects the temperature information based on the microelectronic technology,
The gas to be measured is sent into a flow sensor of the environmental parameter monitoring device by an air pump after passing through a filter, then the gas to be measured is sequentially sent into an oxygen detection unit air chamber, a carbon dioxide detection unit air chamber, and a concentration signal is calculated by inversion of a data processing module.
The medium environmental parameters are sent to the signal processing unit through the serial port, and after data compensation and linear calibration, the medium environmental parameters are sent to the man-machine interaction unit for display, and environmental grading judgment is given, and the serial port comprises an RS232 digital communication interface and a USB digital communication interface.
When the environmental parameter monitoring system detects the environmental gas, the gas to be detected is sent into the flow sensor by the air pump after passing through the filter, the stability of the gas inflow is controlled by monitoring the gas flow, and then is sequentially sent into the oxygen detection unit air chamber, the carbon dioxide detection unit air chamber, the concentration signal is calculated by inversion of the data processing module, the pressure detection module and the temperature detection module detect the environmental pressure and the temperature in real time, the detection data is sent to the signal processing unit through the serial port, after data compensation and linear calibration, the detection data are sent to the man-machine interaction unit for display, environmental grading judgment is given, if the detection data exceed the alarm threshold, the alarm is carried out through acousto-optic alarm, if the detected concentration value does not exceed the alarm threshold, the current value is displayed and stored, the RS232 and the USB digital communication interfaces are arranged on the environmental parameter monitoring device, and the RS232 interface is used for debugging and the USB interface is used for data export.
In the circuit design of the environment parameter monitoring device, a power supply unit supplies power to all electric components, an environment parameter detection unit detects the concentration of all environment information, and the environment information is filtered, compensated and corrected by a signal processing unit and then sent to a man-machine interaction unit for display.
On the gas circuit design of the environmental parameter monitoring device, after the gas to be detected is dehydrated and dedusted through a gas filter, the gas is pumped into a flow sensor by a gas pump to monitor whether the gas inlet state is normal or not, and then the gas is introduced into an oxygen detection module and a carbon dioxide detection module to carry out concentration measurement.
After the system is powered on and initialized in the software control process of the system, the original concentration data of the environmental parameters are firstly read, the concentration of oxygen and carbon dioxide is output after temperature, humidity and pressure compensation, the compensated gas concentration, pressure and temperature information is displayed through a display screen and is simultaneously compared with a set alarm threshold value, if the concentration value exceeds the threshold value, an audible and visual alarm signal is sent out, and the environmental parameter data and the alarm information can be stored and exported.
The environment parameter monitoring system is provided with the alarm threshold value for each environment parameter, and can remind the user in an audible and visual alarm mode after the environment parameter exceeds the set alarm threshold value, so that basis is provided for effective protection measures to the user, real-time, high-precision and wide-range accurate measurement of the environment parameter under normal pressure and high pressure is realized, environment parameter data and alarm information can be stored and exported, and timeliness and accuracy of the data are ensured.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510086962.1A CN119880038A (en) | 2025-01-20 | 2025-01-20 | Environment parameter monitoring method used under high pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510086962.1A CN119880038A (en) | 2025-01-20 | 2025-01-20 | Environment parameter monitoring method used under high pressure |
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| Publication Number | Publication Date |
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| CN119880038A true CN119880038A (en) | 2025-04-25 |
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| CN202510086962.1A Pending CN119880038A (en) | 2025-01-20 | 2025-01-20 | Environment parameter monitoring method used under high pressure |
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- 2025-01-20 CN CN202510086962.1A patent/CN119880038A/en active Pending
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