CN117761258A - High-humidity environment gas detection system and method - Google Patents
High-humidity environment gas detection system and method Download PDFInfo
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- CN117761258A CN117761258A CN202311791199.XA CN202311791199A CN117761258A CN 117761258 A CN117761258 A CN 117761258A CN 202311791199 A CN202311791199 A CN 202311791199A CN 117761258 A CN117761258 A CN 117761258A
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- gas
- power supply
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- pipeline
- inlet pipeline
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 41
- 239000000523 sample Substances 0.000 description 14
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a high-humidity environment gas detection system and method, comprising a gas inlet pipeline, a diaphragm pump, a filter, a gas detector, a wire inlet power supply module, a direct current power supply module, a transformer and a gas outlet pipeline, wherein the gas inlet pipeline, the diaphragm pump, the filter, the gas detector, the wire inlet power supply module, the direct current power supply module, the transformer and the gas outlet pipeline are connected with a sampling gas chamber; connecting an air inlet pipeline in a sampling air chamber, and sending an air flow into a filter through an installed diaphragm pump; the water content of the gas transmitted in the gas inlet pipeline is filtered through the filter, and the content of the filtered gas in the gas outlet pipeline is detected through the gas detector. According to the invention, through the combination of the detection method and the hardware equipment, the environmental gas is preprocessed under the condition of ensuring the integrity and the authenticity of the components of the environmental gas, the interference of the high-humidity environment on the detection of the environmental gas is avoided, the accuracy of gas detection and analysis can be ensured to the greatest extent through the detection device, the service life of the gas sensor can be effectively prolonged, and the reliability of the sensor is improved.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a high-humidity environment gas detection system and method.
Background
When gas detection is carried out in the underground pipe gallery environment, a layer of water film can be formed on the filter screen of the gas detection alarm instrument due to the fact that water vapor in the environment is large, so that the gas detected by the sensor is different from the actual environment gas, the integrity and the authenticity of measurement are affected, and the equipment can be damaged in a high-humidity environment. Therefore, the filter screen of the ambient gas detector needs to be frequently disassembled, overhauled and cleaned.
The technical parameters of the existing ambient gas detection instrument can be basically in the environment with the working environment humidity of 10-95% R.H., but the humidity is required to be free from condensation. In actual use, the probe end of the detection instrument is easy to generate condensation in a high-humidity environment, the numerical value detected by the detection instrument is deviated at the moment, the condensation corrodes the sensor, dust, oil dirt and other impurities are accumulated on the surface of the sensor, and the sensitivity and the accuracy of the sensor can be influenced.
Disclosure of Invention
The invention aims to provide a high-humidity environment gas detection system and a high-humidity environment gas detection method, which can improve the working stability of an environment gas on-line monitoring instrument, are simple in structure and convenient to install and use, have outstanding practical values in working places in high-humidity environments such as high-humidity environment gas detection and the like, and solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the high-humidity environment gas detection system comprises an air inlet pipeline, a diaphragm pump, a filter, a gas detector, an incoming line power supply module, a direct current power supply module, a transformer and an air outlet pipeline, wherein the air inlet pipeline is used for connecting a sampling air chamber; the diaphragm pump is arranged on the air inlet pipeline, the air inlet pipeline is communicated with the air outlet pipeline through a filter, the filter is arranged at a connecting port of the air inlet pipeline and the air outlet pipeline, and a sewage discharge pipeline is further connected to the filter; the gas detector is arranged on a gas outlet pipeline which is filtered by the filter; the incoming line power supply module is respectively in circuit connection with the direct current power supply module and the transformer; the direct-current power supply module provides a working power supply for the gas detector; the transformer provides working power for the diaphragm pump.
Further, the air inlet pipeline and the air outlet pipeline are used as gas transmission channels, and the ambient gas of the sampling air chamber is sent into the detection pipeline through the gas circuit.
Further, the diaphragm pump is used for accelerating the circulation speed of the air sample in the air inlet pipeline.
Further, the filter is used for preprocessing the gas sample sent by the air inlet pipeline, cleaning the gas sample and filtering the moisture in the gas sample.
Further, the gas detector is a gas detector, and detects the content of gas in the gas sample according to the selected instrument, and performs audible and visual alarm according to set alarm parameters, and meanwhile, the signal is uploaded to the upper acquisition system through the signal cable.
Further, the incoming line power supply module is used for distributing incoming line power supply to all the devices needing power supply.
Further, the direct current power supply module is used for converting alternating current sent by an incoming line AC220V power supply into direct current power supply DC24V and supplying power to the gas detection instrument through the direct current power supply.
Further, the transformer is used for converting high voltage into low voltage so as to meet the requirements of different users on the voltage.
The invention provides another technical scheme that: the high-humidity environment gas detection method is realized based on a high-humidity environment gas detection system and comprises the following steps of:
s1: connecting an air inlet pipeline in a sampling air chamber, and sending an air flow into a filter through an installed diaphragm pump;
s2: the gas conveyed in the air inlet pipeline is subjected to water filtration through a filter, the filtered water is discharged through a sewage pipeline, and the filtered gas is conveyed to the air outlet pipeline;
s3: and detecting the content of the filtered gas in the gas outlet pipeline through a gas detector.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the high-humidity environment gas detection system and method, the filter is arranged on the gas chamber pipeline, so that condensed water is prevented from being formed in the detection device, detection equipment is prevented from being damaged due to the condensed water, the high-humidity gas is prevented from forming a water film to be attached to the filter screen of the detection device to influence measurement, the integrity and the authenticity of gas components passing through the gas chamber are ensured, and the accuracy of subsequent gas components and concentration analysis is ensured.
2. According to the high-humidity environment gas detection system and method, through the arrangement of the diaphragm pump, circulation of environment gas is increased, real-time performance of environment gas detection is ensured, working environment of the high-humidity environment gas on-line monitor is greatly improved, working stability of the on-line monitor is improved, and the high-humidity environment gas detection system and method are simple in structure, convenient to install and use and high in practical value in places such as high-humidity environment gas detection.
Drawings
FIG. 1 is a piping connection diagram of a detection system according to the present invention;
fig. 2 is a block diagram of a power supply system according to 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. 1-2, an embodiment of the present invention provides a high humidity environment gas detection system, which includes an air inlet pipeline 1, a diaphragm pump 2, a filter 3, a gas detector 4, an inlet wire power module 5, a dc power module 6, a transformer 7 and an air outlet pipeline 8, wherein the air inlet pipeline is used for connecting a sampling air chamber; wherein, the air inlet pipeline 1 is used as a gas circulation pipeline and a gas route; the diaphragm pump 2 is used for changing the fluid flow by power operation; the filter 3 is used for cleaning the air source, and can filter the moisture in the ambient air to prevent the moisture from entering the device along with the air; the gas detector 4 is used for detecting the ambient gas and displaying the content of the detected gas; the incoming line power supply module 5 is used for distributing incoming line power supply of the system; the direct current power supply module 6 is used for an energy conversion device which converts other forms of energy into electric energy to supply the electric energy to maintain the steady flow of current; the transformer 7 is used for devices for transforming voltages.
Specifically, the diaphragm pump 2 is arranged on the air inlet pipeline 1, the air inlet pipeline 1 is communicated with the air outlet pipeline 8 through the filter 3, the filter 3 is arranged at the connecting port of the air inlet pipeline 1 and the air outlet pipeline 8, and the filter 3 is also connected with the sewage discharge pipeline 9; the gas detector 4 is arranged on a gas outlet pipeline 8 after being filtered by the filter 3; the incoming line power supply module 5 is respectively in circuit connection with the direct current power supply module 6 and the transformer 7; the direct current power supply module 6 provides a working power supply for the gas detector 4; the transformer 7 provides the diaphragm pump 2 with an operating power supply.
In the above embodiment, the air inlet pipeline 1 and the air outlet pipeline 8 are used as gas transmission channels, and the ambient gas of the sampling air chamber is sent into the detection pipeline through the gas circuit; the diaphragm pump 2 is connected with the gas sample inlet pipeline 1, and accelerates the circulation speed of the gas sample, so that the detected gas is consistent with the change of the environmental gas sample; the filter 3 is used for preprocessing the gas sample sent by the air inlet pipeline 1, cleaning the gas sample, filtering moisture in the gas sample, and avoiding the contact of the moisture with the gas sample and the detection instrument, wherein the filter 3 is provided with a glass cover and is corrosion-proof, the filter element is easy to replace, and the precision of the filter 3 is 0.1 mu m.
The gas detector 4 in the embodiment of the invention is a gas detector, and detects the content of gas in the gas sample according to the selected instrument, and performs audible and visual alarm according to set alarm parameters, and simultaneously uploads signals to a superior acquisition system through a signal cable; the incoming line power supply module 5 is used for distributing incoming line power supply to all the equipment needing power supply; the direct current power supply module 6 is used for converting alternating current sent by an incoming line AC220V power supply into direct current power supply DC24V and supplying power to the gas detection instrument through the direct current power supply; the transformer 7 is used for converting high voltage into low voltage to meet the voltage requirements of different users to adapt to different requirements.
In order to further better explain the above embodiments, the present invention further provides a method for detecting a high humidity environment gas, including the following steps:
the first step: an air inlet pipeline 1 is connected in the sampling air chamber, and air flow is sent to a filter 3 through a diaphragm pump 2;
and a second step of: the gas conveyed in the air inlet pipeline 1 is subjected to water filtration through the filter 3, the filtered water is discharged through the sewage discharge pipeline 9, and the filtered gas is conveyed to the air outlet pipeline 8;
and a third step of: the content of the filtered gas in the gas outlet pipeline 8 is detected by the gas detector 4.
The method can be used for solving the problems that: according to the high-humidity environment gas detection device, the environment gas is preprocessed in a mode of combining the detection method with the hardware equipment under the condition that the integrity and the authenticity of the components of the environment gas are guaranteed, the environment gas can be detected in the high-humidity environment, the interference of the high-humidity environment on the environment gas detection is avoided, the accuracy of gas detection and analysis can be guaranteed to the greatest extent through the detection device, the service life of a gas sensor can be effectively prolonged, and the reliability of the sensor is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (9)
1. The high-humidity environment gas detection system is characterized by comprising an air inlet pipeline (1), a diaphragm pump (2), a filter (3), a gas detector (4), an inlet wire power supply module (5), a direct current power supply module (6), a transformer (7) and an air outlet pipeline (8) which are connected with a sampling air chamber; the diaphragm pump (2) is arranged on the air inlet pipeline (1), the air inlet pipeline (1) is communicated with the air outlet pipeline (8) through the filter (3), the filter (3) is arranged at a connecting port of the air inlet pipeline (1) and the air outlet pipeline (8), and the filter (3) is also connected with a sewage discharge pipeline (9); the gas detector (4) is arranged on a gas outlet pipeline (8) which is filtered by the filter (3); the incoming line power supply module (5) is respectively connected with the direct current power supply module (6) and the transformer (7) in a circuit manner; the direct-current power supply module (6) provides a working power supply for the gas detector (4); the transformer (7) provides a working power supply for the diaphragm pump (2).
2. A high humidity ambient gas detection system as in claim 1 wherein: the air inlet pipeline (1) and the air outlet pipeline (8) are used as gas transmission channels, and the ambient gas of the sampling air chamber is sent into the detection pipeline through the gas circuit.
3. A high humidity ambient gas detection system as in claim 1 wherein: the diaphragm pump (2) is used for accelerating the circulation speed of the air sample in the air inlet pipeline (1).
4. A high humidity ambient gas detection system as in claim 1 wherein: the filter (3) is used for preprocessing the gas sample sent by the air inlet pipeline (1), cleaning the gas sample and filtering the moisture in the gas sample.
5. A high humidity ambient gas detection system as in claim 1 wherein: the gas detector (4) is a gas detector, detects the content of gas in a gas sample according to the selected instrument, performs audible and visual alarm according to set alarm parameters, and uploads signals to a superior acquisition system through a signal cable.
6. A high humidity ambient gas detection system as in claim 1 wherein: the incoming line power supply module (5) is used for distributing incoming line power supply to all equipment needing power supply.
7. A high humidity ambient gas detection system as in claim 5 wherein: the direct current power supply module (6) is used for converting alternating current sent by an incoming line AC220V power supply into direct current power supply DC24V and supplying power to the gas detection instrument through the direct current power supply.
8. A high humidity ambient gas detection system as in claim 1 wherein: the transformer (7) is used for converting high voltage into low voltage so as to meet the requirements of different users on the voltage.
9. A method for detecting high humidity environment gas based on the high humidity environment gas detection system of claim 1, comprising the steps of:
s1: connecting an air inlet pipeline (1) in a sampling air chamber, and sending an air flow into a filter (3) through a diaphragm pump (2) arranged in the sampling air chamber;
s2: the gas conveyed in the air inlet pipeline (1) is subjected to water filtration through the filter (3), the filtered water is discharged through the sewage discharge pipeline (9), and the filtered gas is conveyed to the air outlet pipeline (8);
s3: and detecting the content of the filtered gas in the gas outlet pipeline (8) through the gas detector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791199.XA CN117761258A (en) | 2023-12-25 | 2023-12-25 | High-humidity environment gas detection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311791199.XA CN117761258A (en) | 2023-12-25 | 2023-12-25 | High-humidity environment gas detection system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117761258A true CN117761258A (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311791199.XA Pending CN117761258A (en) | 2023-12-25 | 2023-12-25 | High-humidity environment gas detection system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117761258A (en) |
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2023
- 2023-12-25 CN CN202311791199.XA patent/CN117761258A/en active Pending
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