Environmental parameter real-time monitoring device in high-pressure environment

Abstract

The utility model discloses an environmental parameter real-time monitoring device in a high-voltage environment, which comprises an environmental parameter monitoring equipment body, a man-machine interaction unit is arranged at one end outside a whole machine case on the environmental parameter monitoring equipment body in a matched manner, and a signal processing unit is arranged on an internal PCB hardware system of the whole machine case. The connecting end of one side of the signal processing unit is provided with an environment parameter detection unit in a matched mode, the connecting end of the right side of the signal processing unit is provided with a man-machine interaction unit, one side of the lower portion of the PCB hardware system is provided with a power supply unit in a matched mode, and the signal processing unit and a gas circuit unit are arranged above the PCB hardware system; the environment parameter monitoring equipment body adopts three power supply modes of a built-in battery, an external alternating current power supply and an external direct current power supply, is convenient to use in multiple occasions, and is small in error, high in response speed, convenient to carry, accurate in measurement, rapid in response, relatively high in anti-interference capability, long in service life and high in reliability. The device is suitable for real-time monitoring of multiple parameters of the environment under normal pressure and high pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental parameter monitoring device technical field, concretely to a kind of environmental parameter real-time monitoring device under high pressure environment. BACKGROUND

[0002] Oxygen / carbon dioxide detection method includes traditional chemical detection technology, sensing detection technology, electrochemical sensing detection technology and laser spectroscopy detection technology. Traditional chemical detection technology needs to be sampled and tested, and cannot detect concentration in real time. Metal oxide sensor calculates concentration according to the principle that the adsorption of the measured gas changes the electrical conductivity of the semiconductor, but its stability is poor due to the influence of the environment and interfering gases, and it is not suitable for high-precision detection occasions. Electrochemical sensing technology detects by measuring the electrochemical reaction between the measured gas and the electrode. The electrode is a consumable and needs to be replaced regularly. Laser spectroscopy detection technology is based on the "fingerprint" characteristics of gas. By measuring parameters related to the spectral characteristics of the measured gas, the gas concentration is inverted. It has the advantages of high selectivity, high sensitivity, rapid response, non-invasive and online monitoring. It is the mainstream technology of high-performance gas sensing research and application. However, there is still a gap in the detection device that integrates oxygen, carbon dioxide, temperature and pressure detection, has high precision and anti-interference characteristics, and can be applied to high-pressure environment. Therefore, an improved technology is needed to solve the problem existing in the prior art. SUMMARY

[0003] The utility model aims at providing a kind of environmental parameter monitoring device for using built-in battery, external alternating current power supply, external direct current power supply three kinds of power supply mode, it is convenient to use in multiple occasions, the error of environmental parameter monitoring device is small, response speed block, whole machine is carried conveniently, measurement is accurate, responds rapidly, anti-interference ability is stronger, service life is long, it is suitable for the real-time monitoring of multiple parameters in environment under normal pressure and high pressure The environmental parameter monitoring device used under high pressure solves the problem raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of environmental parameter real-time monitoring device under high pressure environment, including environmental parameter monitoring equipment ontology, PCB hardware system, environmental parameter monitoring equipment ontology is equipped with whole machine cabinet, whole machine cabinet is equipped with man-machine interaction unit in the outside one end cooperation, the inside of whole machine cabinet is equipped with PCB hardware system, PCB hardware system is equipped with signal processing unit, the side connection end of signal processing unit is equipped with environmental parameter detection unit in cooperation, the right side connection end of signal processing unit is equipped with man-machine interaction unit, the lower side of PCB hardware system is equipped with power supply unit in cooperation.

[0005] The upper side of the PCB hardware system is equipped with signal processing unit and gas circuit unit, and the environmental parameter detection unit is arranged on the left side of the gas circuit unit.

[0006] Preferably, the environmental parameter detection unit comprises an oxygen sensor, a carbon dioxide sensor, a temperature and humidity sensor, and a pressure sensor, the oxygen sensor and the carbon dioxide sensor comprise a laser, a gas chamber, a detector, and a data processing module, and the oxygen sensor and the carbon dioxide sensor are based on the TDLAS principle.

[0007] Preferably, a serial port is arranged on the outer wall of the whole machine case of the environmental parameter monitoring device body, the serial port is connected with a signal processing unit on a PCB hardware system in cooperation, and the serial port comprises two digital communication interfaces of RS232 and USB.

[0008] Preferably, the environmental parameter monitoring device body adopts three power supply modes of a built-in battery, an external alternating current power supply, and an external direct current power supply, the working pressure of the environmental parameter monitoring device body reaches 6 ATA, the basic error of detected gas concentration is less than 2% FS, and the response time is less than 20s.

[0009] A rear panel of the environmental parameter monitoring device body is provided with a power switch, a buzzer, a pressure sensor, a temperature sensor, a touch screen emergency stop button, a charging indicator, an air inlet and outlet, a USB interface, a power interface, a 232 interface, and an antenna interface.

[0010] Preferably, the gas path pipeline on the gas path unit adopts a silicon rubber pipe.

[0011] Compared with the prior art, the environmental parameter monitoring device body has the following beneficial effects:

[0012] (1) The environmental parameter monitoring device body adopts three power supply modes of a built-in battery, an external 220V alternating current power supply, and an external 24V direct current power supply, the power supply module on the environmental parameter monitoring device body further comprises a power board and a battery, and the power board and the battery complete charging and battery power management after AC-DC conversion, so that the environmental parameter monitoring device body is suitable for various different power supply environments.

[0013] (2) The gas path pipeline on the gas path unit adopts a silicon rubber pipe, the pipeline has good flexibility, the gas path interface is made of brass, and a quick plug elbow is matched to ensure the flexibility, air tightness, and stability of the gas path connection.

[0014] (3) The environmental parameter monitoring device body adopts three power supply modes of a built-in battery, an external alternating current power supply, and an external direct current power supply, is convenient for use in multiple occasions, works under normal pressure and high pressure, has a working pressure of 6 ATA, a basic error of detected gas concentration of less than 2% FS, and a response time of less than 20s, is convenient to carry, accurate in measurement, fast in response, strong in anti-interference ability, and long in service life, and is suitable for real-time monitoring of multiple parameters in an environment under normal pressure and high pressure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the environmental parameter monitoring device structural schematic view of the utility model;

[0016] Fig. 2 It is the PCB hardware system structural schematic view of the utility model;

[0017] Fig. 3 It is the environmental parameter monitoring device hardware system operation structural schematic view of the utility model.

[0018] In the drawing: 1, environmental parameter detection unit, 2, signal processing unit, 3, power supply unit, 4, man-machine interaction unit, 5, gas path unit, 6, whole machine case, 7, PCB hardware system, 8, environmental parameter monitoring equipment ontology, 9, oxygen sensor, 10, carbon dioxide sensor, 11, temperature and humidity sensor, 12, pressure sensor. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of environmental parameter real-time monitoring device under high pressure, including environmental parameter monitoring equipment ontology 8, PCB hardware system 7, environmental parameter monitoring equipment ontology 8 is equipped with whole machine case 6, the outside one end of whole machine case 6 is cooperatively equipped with man-machine interaction unit 4, the inside of whole machine case 6 is equipped with PCB hardware system 7, PCB hardware system 7 is equipped with signal processing unit 2, the side connection end of signal processing unit 2 is cooperatively equipped with environmental parameter detection unit 1, the right side connection end of signal processing unit 2 is equipped with man-machine interaction unit 4, the lower side of PCB hardware system 7 is cooperatively equipped with power supply unit 3.

[0021] The upper side of PCB hardware system 7 is equipped with signal processing unit 2, gas path unit 5, environmental parameter detection unit 1 is arranged at the left side of gas path unit 5.

[0022] Environmental parameter detection unit 1 includes oxygen sensor 9, carbon dioxide sensor 10, temperature and humidity sensor 11, pressure sensor 12, oxygen sensor 9, carbon dioxide sensor 10 include laser, gas chamber, detector and data processing module, complete the conversion of spectral signal, and the amplification, filtering, modulation etc. processing of spectral signal, by serial port, concentration data is sent to control module.

[0023] The oxygen sensor 9 and the carbon dioxide sensor 10 detect the oxygen and carbon dioxide gas concentrations in normal pressure and high pressure environments based on the TDLAS principle.

[0024] The outer wall of the whole machine case 6 of the environmental parameter monitoring device body 8 is provided with a serial port, which is connected with the signal processing unit 2 on the PCB hardware system 7, the serial port includes two digital communication interfaces of RS232 and USB, the RS232 interface is used for debugging, and the USB interface is used for data export.

[0025] The environmental parameter monitoring device body 8 adopts three power supply modes of built-in battery, external 220V alternating current power supply and external 24V direct current power supply, the power supply module on the environmental parameter monitoring device body 8 further includes a power board and a battery, and the power board and the battery complete charging and battery power management after AC-DC conversion, so that the environmental parameter monitoring device body 8 is suitable for various different power supply environments.

[0026] The working pressure of the environmental parameter monitoring device body 8 reaches 6 ATA, the basic error of the detected gas concentration is less than 2% FS, and the response time is less than 20s, the rear panel of the environmental parameter monitoring device body 8 is provided with a power switch, a buzzer, a pressure sensor, a temperature sensor, a touch screen emergency stop button, a charging indicator, an air inlet and outlet, a USB interface, a power interface, a 232 interface and an antenna interface.

[0027] The gas path pipeline on the gas path unit 5 adopts a silicon rubber pipe, the pipeline has good toughness, the gas path interface adopts brass material, is matched with a quick plug elbow, and guarantees the flexibility, air tightness and stability of the gas path connection, the gas pump, the flow sensor and the connected pipeline on the gas path unit 5 complete the conveying of sample gas.

[0028] After the measured gas passes through the filter on the environmental parameter monitoring device body 8, the gas is sent into the flow sensor by the gas pump, the stability of the air inlet flow is controlled through the monitoring of the gas flow, then the detected gas is sequentially sent into the oxygen detection unit gas chamber and the carbon dioxide detection unit gas chamber, the concentration signal is inversely calculated through the data processing module, the environmental pressure and temperature are detected in real time through the pressure detection module and the temperature detection module, the detection data is sent to the signal processing unit 2 through the serial port, is transmitted to the man-machine interaction unit 4 for display after data compensation and linear calibration, and environmental classification judgment is given, if the monitored gas exceeds the alarm threshold, the sound and light alarm is prompted.

[0029] The power supply unit 3 on the environmental parameter monitoring device body 8 supplies power to each electrical component, the environmental parameter detection unit 1 detects each environmental information concentration, and sends the data to the man-machine interaction unit 4 for display after filtering, compensation and correction calculation through the signal processing unit 2.

[0030] The gas path unit 5 on the environmental parameter monitoring device body 8, the water and dust of the gas to be measured are removed by the gas filter, and then the gas is pumped into the flow sensor to monitor whether the inlet gas state is normal, and the gas is detected into the oxygen sensor and the carbon dioxide sensor to measure the concentration.

[0031] During the operation of the environmental parameter monitoring device body 8, the device is powered on first, the system first reads the original concentration data of the environmental parameters, and after temperature, humidity and pressure compensation, the oxygen and carbon dioxide concentrations are output, the compensated gas concentration and pressure, temperature information are displayed through the display screen, and compared with the set alarm threshold value, if the concentration value exceeds the threshold value, an audible and visual alarm signal is sent. The environmental parameter data and alarm information can be stored and exported.

[0032] The environmental parameter monitoring device body 8 adopts three power supply modes of built-in battery, external alternating current power supply and external direct current power supply, which is convenient for multi-occasion use. The environmental parameter monitoring device works under normal pressure and high pressure, the working pressure reaches 6 ATA, the basic error of detecting gas concentration is less than 2% FS, the response time is less than 20s, the whole machine is convenient to carry, accurate to measure, fast to respond, strong in anti-interference ability, long in service life, and is suitable for real-time monitoring of multiple parameters of environment under normal pressure and high pressure.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmental parameter real-time monitoring device in a high-pressure environment, comprising an environmental parameter monitoring device body (8), a PCB hardware system (7), characterized in that: The environment parameter monitoring device body (8) is provided with a whole machine case (6), and the outside of the whole machine case (6) is provided with a man-machine interaction unit (4); the inside of the whole machine case (6) is provided with a PCB hardware system (7), and the PCB hardware system (7) is provided with a signal processing unit (2); one side of the signal processing unit (2) is provided with an environment parameter detection unit (1); the right side of the signal processing unit (2) is provided with a man-machine interaction unit (4); and the lower side of the PCB hardware system (7) is provided with a power supply unit (3). The upper side of the PCB hardware system (7) is provided with a signal processing unit (2) and a gas path unit (5), and the environment parameter detection unit (1) is arranged on the left side of the gas path unit (5).

2. The real-time environmental parameter monitoring device in a high-pressure environment according to claim 1, characterized in that: The environment parameter detection unit (1) comprises an oxygen sensor (9), a carbon dioxide sensor (10), a temperature and humidity sensor (11) and a pressure sensor (12); the oxygen sensor (9) and the carbon dioxide sensor (10) comprise a laser, a gas chamber, a detector and a data processing module; and the oxygen sensor (9) and the carbon dioxide sensor (10) are based on the TDLAS principle.

3. The real-time environmental parameter monitoring device in a high-pressure environment according to claim 1, characterized in that: The outer wall of the whole machine case (6) of the environment parameter monitoring device body (8) is provided with a serial port, the serial port is connected with the signal processing unit (2) on the PCB hardware system (7), and the serial port comprises two digital communication interfaces, namely an RS232 and a USB.

4. The real-time environmental parameter monitoring device in a high-pressure environment according to claim 1, characterized in that: The environment parameter monitoring device body (8) adopts three power supply modes, namely a built-in battery, an external alternating power supply and an external direct current power supply; the working pressure of the environment parameter monitoring device body (8) reaches 6 ATA; the basic error of the detected gas concentration is less than 2% FS; and the response time is less than 20s. The rear panel of the environment parameter monitoring device body (8) is provided with a power switch, a buzzer, a pressure sensor, a temperature sensor, a touch screen emergency stop button, a charging indicator, an air inlet and outlet, a USB interface, a power supply interface, a 232 interface and an antenna interface.

5. The real-time environmental parameter monitoring device in a high-pressure environment according to claim 1, characterized in that: The gas path pipeline on the gas path unit (5) adopts a silicon rubber pipe.

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