CN209746397U - Compressed air monitoring system - Google Patents
Compressed air monitoring system Download PDFInfo
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- CN209746397U CN209746397U CN201920928948.1U CN201920928948U CN209746397U CN 209746397 U CN209746397 U CN 209746397U CN 201920928948 U CN201920928948 U CN 201920928948U CN 209746397 U CN209746397 U CN 209746397U
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- module
- compressed air
- air monitoring
- sensor
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model particularly relates to a compressed air monitoring system, which comprises a sampling device, a compressed air monitoring device and an upper computer; the compressed air monitoring device includes: the device comprises a sensor assembly, a signal processing module, a communication module, an alarm module, a storage module, an operation module and a display module, wherein the sensor assembly, the communication module, the alarm module, the storage module, the operation module and the display module are all connected with the signal processing module; the communication module is connected with the upper computer; the sampling device is connected with the compressed air monitoring device. The compressed gas output by the air compressor can be detected, analyzed and recorded on line, and early warning is timely carried out when the components exceed the standard, and the air compressor and a subsequent matching system are controlled in a linkage manner.
Description
Technical Field
The utility model relates to a gaseous detection and analysis's technical field especially relates to a compressed air monitoring system.
Background
With the continuous development of the air-using device and the continuous extension of the air-using field, the requirement on the quality of the compressed air is higher and higher. However, compressed air contains a considerable amount of impurities, which are often the most overlooked parts of the quality index of compressed air, and as a result, the failure of the gas utilization device frequently occurs and the service life is reduced. Common contaminants that affect compressed gas air quality are primarily solid particulates, water, residual oil, and trace amounts of air contaminants.
At present, the existing compressed air monitoring device has a complex analysis process and low accuracy, and does not have joint control with an air compressor and a subsequent matching system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compressed air monitoring system can carry out on-line measuring, analysis and record to the compressed gas of air compressor output to in time early warning when detecting the composition and exceeding standard, and coordinated control air compressor and follow-up supporting system.
The utility model adopts the technical scheme as follows:
A compressed air monitoring system comprises a sampling device, a compressed air monitoring device and an upper computer; the compressed air monitoring device includes: the device comprises a sensor assembly, a storage module, a signal processing module, a communication module, an alarm module, an operation module and a display module, wherein the sensor assembly, the communication module, the alarm module, the storage module, the operation module and the display module are all connected with the signal processing module; the communication module is connected with the upper computer; the sampling device is connected with the compressed air monitoring device.
Further, the sampling device comprises an air compressor, a pressure reducing valve, an electronic flow rate meter and an electromagnetic valve which are sequentially communicated; the electronic flow rate meter and the electromagnetic valve are connected with the signal processing module.
Further, the signal processing module comprises a signal conditioning unit, a filtering unit and an MCU processing unit.
Further, the sensor assembly comprises one or more of a VOC sensor, a particulate matter sensor, a nitrogen sensor, an ozone sensor, a carbon monoxide sensor, a carbon dioxide sensor, a sulfur dioxide sensor, a hydrogen sulfide sensor and a temperature and humidity sensor, so that a user can select different sensors according to specific detection requirements.
Further, the MCU processing unit adopts an ARM Cortex-M4 chip.
Further, the communication module comprises one or more of RS485, CAN, Ethernet, Zigbee, Lora and NB-IOT, and CAN be applied to different application occasions.
Further, the upper computer is a PLC control system and/or a computer.
Further, the display module adopts a 7-inch liquid crystal touch screen, so that a result can be displayed, and operation and checking can be performed through the screen.
Furthermore, the alarm module adopts an acousto-optic alarm circuit, and can perform early warning by sound and light display so as to grasp information in time and take measures.
Furthermore, the operation module adopts keys and a rotary encoder, so that field operators can conveniently check information and input commands.
Compared with the prior art, the beneficial effects of the utility model are that:
The system detects different components in the compressed gas through the compressed air monitoring device, then carries out analysis processing through the signal processing module, carries out recording and real-time early warning when certain component in the compressed gas exceeds the standard, and transmits the component to the upper computer for a manager to check, and takes corresponding measures for maintenance; meanwhile, the compressed air monitoring device can be conveniently integrated into a compressor or a PLC control system; the device can also be independently installed outside the equipment and used externally, and has extremely high flexibility.
Meanwhile, according to the analysis result of the compressed gas, providing guidance suggestions for replacement time nodes of an air inlet, an air outlet filter element and a filter screen of the air compressor; providing instructive opinions for the replacement time node of the sensor component of the compressed air monitoring device; the air compressor and the collecting device are combined and automatically controlled.
drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a sampling device according to the present invention;
Fig. 3 is a schematic view of the linkage control of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, in order to solve the problems in the background art, the compressed air monitoring system of the present embodiment includes a sampling device, a compressed air monitoring device, and an upper computer; the compressed air monitoring device includes: the device comprises a sensor assembly, a storage module, a signal processing module, a communication module, an alarm module, an operation module and a display module, wherein the sensor assembly, the communication module, the alarm module, the storage module, the operation module and the display module are all connected with the signal processing module; the communication module is connected with the upper computer; the sampling device is connected with the compressed air monitoring device.
the compressed air monitoring device provided by the utility model can be conveniently integrated into the compressor or the PLC control system due to small volume, informatization, digitization, intellectualization and high automation degree; the device can also be independently installed outside the equipment and used externally, and has extremely high flexibility. The data measured by the sensor component can be stored in a storage module, and a corresponding report can be generated according to an Excel, PDF or Word format template input by user definition, and the report is transmitted to a computer through an SD card or a USB flash disk card for analysis, processing and archiving.
In this embodiment, the sampling device includes an air compressor, a pressure reducing valve, an electronic flow rate meter and an electromagnetic valve which are sequentially communicated; the electronic flow rate meter and the electromagnetic valve are connected with the signal processing module. The signal processing module comprises a signal conditioning unit, a filtering unit and an MCU processing unit. The MCU processing unit adopts an ARM Cortex-M4 chip to ensure that necessary support is provided for the expansibility of a subsequent system. The compressed air monitoring system is connected with compressed air output by the air compressor, the pressure of the compressed air is reduced to proper pressure through the pressure reducing valve, the compressed air sequentially passes through the gas flow rate meter, the electromagnetic valve and the sensor assembly, and analog signals are transmitted to the MCU processing unit through signal conditioning and filtering, so that the purposes of real-time detection, recording and alarming of gas components are achieved.
Because compressed air's quality can select different quality index according to the application demand of difference, consequently its gaseous composition analysis monitoring is also different, so sensor assembly includes in VOC sensor, particulate matter sensor, nitrogen gas sensor, ozone sensor, carbon monoxide sensor, carbon dioxide sensor, sulfur dioxide sensor, hydrogen sulfide sensor and the warm and humid sensor one or several to the user selects for use different sensors according to specific detection demand.
According to different application occasions of the system, the communication module CAN be selected differently to facilitate on-site line arrangement, and CAN comprise one or more of RS485, CAN, Ethernet, Zigbee, Lora and NB-IOT so as to adapt to different application occasions.
in this embodiment, as shown in fig. 3, the linkage control schematic diagram of the compressed air monitoring system is shown, the upper computer is a PLC control system and/or a computer, and the linkage control is formed by the communication module and the PLC control system and/or the computer. In the process of gas analysis and monitoring, if one or more components exceed the limit value, the control system can display a visual warning signal and alarm on the display, and the upper computer controls the air compressor to automatically stop so as to avoid unqualified air from being filled into a subsequent bottle group system; or the air compressor is not stopped at the moment, but the upper computer discharges unqualified air by controlling the downstream automatic exhaust and exchange valve.
In this embodiment, display module adopts 7 cun liquid crystal touch screens, can show the result, can operate again through the screen and look over, provides good human-computer interaction for operating personnel.
In this embodiment, alarm module adopts reputation alarm circuit, specifically can adopt speaker and tristimulus lamp to carry out the early warning, can carry out the early warning through sound and can also through the tristimulus designation light show to on-the-spot operation maintainer in time masters information, takes measures.
In this embodiment, the operation module adopts keys and a rotary encoder, and a user can customize part of the keys into shortcut function keys, so that the field operators can conveniently check information and input commands.
The utility model discloses a working process does: the gas output from the air compressor is firstly decompressed to proper pressure through a pressure reducing valve and then sequentially passes through a gas flow velocity meter, an electromagnetic valve and a sensor assembly, the sensor assembly transmits detected signals to a signal processing module for analysis and processing, the processed result is compared with a corresponding threshold value preset in a storage module, if the detected components are out of limit, the detected components are transmitted to an alarm module for early warning, and are stored in the storage module for field maintenance personnel to check, and simultaneously transmitted to an upper computer for analysis and corresponding control of an administrator, so that the purposes of real-time detection, recording and alarming of the gas components are achieved, and the air compressor and a collection device can be combined and automatically controlled.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A compressed air monitoring system is characterized by comprising a sampling device, a compressed air monitoring device and an upper computer; the compressed air monitoring device includes: the device comprises a sensor assembly, a signal processing module, a communication module, an alarm module, a storage module, an operation module and a display module, wherein the sensor assembly, the communication module, the alarm module, the storage module, the operation module and the display module are all connected with the signal processing module; the communication module is connected with the upper computer; the sampling device is connected with the compressed air monitoring device.
2. The compressed air monitoring system of claim 1, wherein the sampling device comprises an air compressor, a pressure reducing valve, an electronic flow rate meter and a solenoid valve which are communicated in sequence; the electronic flow rate meter and the electromagnetic valve are connected with the signal processing module.
3. The compressed air monitoring system according to claim 1 or 2, wherein the signal processing module comprises a signal conditioning unit, a filtering unit and an MCU processing unit which are connected in sequence.
4. The compressed air monitoring system of claim 3, wherein the sensor assembly comprises one or more of a VOC sensor, a particulate matter sensor, a nitrogen sensor, an ozone sensor, a carbon monoxide sensor, a carbon dioxide sensor, a sulfur dioxide sensor, a hydrogen sulfide sensor, and a temperature and humidity sensor.
5. The compressed air monitoring system of claim 3, wherein the MCU processing unit employs an ARM Cortex-M4 chip.
6. The compressed air monitoring system of claim 1, wherein the communication module comprises one or more of RS485, CAN, ethernet, Zigbee, Lora, and NB-IOT.
7. The compressed air monitoring system of claim 1, wherein the host computer is a PLC control system and/or a computer.
8. The compressed air monitoring system of claim 1, wherein the display module employs a 7-inch liquid crystal touch screen.
9. The compressed air monitoring system of claim 1, wherein the alarm module employs an audible and visual alarm circuit.
10. The compressed air monitoring system of claim 1, wherein the operating module employs a key and a rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928948.1U CN209746397U (en) | 2019-06-19 | 2019-06-19 | Compressed air monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928948.1U CN209746397U (en) | 2019-06-19 | 2019-06-19 | Compressed air monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209746397U true CN209746397U (en) | 2019-12-06 |
Family
ID=68723930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920928948.1U Active CN209746397U (en) | 2019-06-19 | 2019-06-19 | Compressed air monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209746397U (en) |
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2019
- 2019-06-19 CN CN201920928948.1U patent/CN209746397U/en active Active
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