CN113155061A - Intelligent multi-channel pneumatic measurement system based on industrial Internet of things - Google Patents
Intelligent multi-channel pneumatic measurement system based on industrial Internet of things Download PDFInfo
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- CN113155061A CN113155061A CN202110521805.0A CN202110521805A CN113155061A CN 113155061 A CN113155061 A CN 113155061A CN 202110521805 A CN202110521805 A CN 202110521805A CN 113155061 A CN113155061 A CN 113155061A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000013500 data storage Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 238000012800 visualization Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 9
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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Abstract
本发明公开了一种基于工业物联网的智能多通道气动测量系统，由本地数据处理模块、本地数据采集模块、物联网无线通信模块、远程数据存储模块、远程数据监控终端、状态指示与扩展模块组成。在多通道气动测量设备检测机械部件的基础上实现了多台设备测量数据无线上传、远程数据监控与可视化、远程在线升级与维护以及远程选择测量通道数等功能。通过测量数据无线上传，极大地节省了人力输出成本；通过远程数据监控与可视化极大地方便了对机械部件测量数据的记录与查看，实时反映机械部件的合格情况，满足企业大规模测量数据远程在线监控的生产需求；通过远程在线升级与维护，保障了气动测量设备的正常工作，同时降低了设备对企业生产的影响。
The invention discloses an intelligent multi-channel pneumatic measurement system based on the industrial internet of things, which consists of a local data processing module, a local data acquisition module, an internet of things wireless communication module, a remote data storage module, a remote data monitoring terminal, a status indication and expansion module composition. On the basis of multi-channel pneumatic measuring equipment detecting mechanical parts, the functions of wireless uploading of measurement data of multiple equipment, remote data monitoring and visualization, remote online upgrade and maintenance, and remote selection of the number of measurement channels are realized. Through the wireless upload of measurement data, the cost of labor output is greatly saved; through remote data monitoring and visualization, the recording and viewing of the measurement data of mechanical parts is greatly facilitated, and the qualification of mechanical parts is reflected in real time, so as to meet the needs of large-scale enterprise measurement data remote online The production needs of monitoring; through remote online upgrade and maintenance, the normal operation of the pneumatic measuring equipment is guaranteed, and the impact of the equipment on the production of the enterprise is reduced.
Description
Technical Field
The invention relates to the field of precision measuring instruments, in particular to an intelligent multi-channel pneumatic measuring system based on an industrial Internet of things.
Background
With the development of society and the continuous progress of science and technology, the demand of people for intelligent products is stronger, the intelligent products can liberate people from repetitive work, the social production efficiency can be improved, and the product production quality is ensured. In the field of precision instrument production, the performance and the safety in utilization of whole mechanical system can all be directly influenced to the deviation of spare part size and displacement, just need relevant check out test set to detect in order to guarantee the accurate measurement of spare part error. The pneumatic measuring instrument is a measuring device which converts the change of geometric quantities such as displacement, size and the like into the change of flow or pressure by utilizing the characteristic that the flow or pressure of gas in a gas chamber changes along with the difference of the geometric dimensions and the shapes of nozzles so as to realize the geometric quantities. At present the general adoption of most domestic enterprises is buoy type air gauge and electron column type air gauge, this type of air gauge function is single relatively, mostly the single channel, measuring range is limited, it is higher to measure the environmental requirement, and adopt manual record calculation measured data to be leading basically, enterprise production efficiency greatly reduced, and the intelligent air gauge that a small number of enterprises adopted is fine although the defect of having solved buoy type and electron column type air gauge, it still adopts the off-line measurement mode, to failing fine solution human cost under the big batch assembly line detection scene, the equipment maintenance is upgraded inconveniently and can not be fine satisfy the production demand in the long-range on-line monitoring of enterprise's large-scale detection data information.
Disclosure of Invention
The invention mainly solves the technical problems of the existing equipment and provides an intelligent multi-channel pneumatic measurement system based on an industrial Internet of things. The system combines the technologies of the Internet of things, an embedded MCU, a remote control terminal, a high-precision differential pressure sensor, wireless network transmission, a data storage cloud server, data processing and the like, and realizes the functions of wireless uploading of measured data of a plurality of devices, remote data monitoring and visualization, remote online upgrading and maintenance of the devices, remote selection of the number of the measured channels of the devices and the like on the basis of detecting mechanical parts of a multi-channel pneumatic measuring device. The labor output cost is greatly saved by a wireless uploading mode of the measured data; the remote data monitoring and visualization greatly facilitate the recording and checking of the measurement data of the mechanical parts by workers, reflect the qualified condition of the measurement of the mechanical parts in real time and meet the production requirement of remote online monitoring of large-scale measurement data information of enterprises; through the remote online upgrading and maintenance of the equipment, the normal work of the pneumatic measuring equipment is guaranteed, manpower and material resources are saved, and meanwhile, the influence on the production of enterprises is reduced.
In order to achieve the purpose, the invention is realized by the following scheme:
the utility model provides an intelligent multichannel pneumatic measurement system based on industry thing networking comprises wireless communication module, MQTT thing networking protocol, embedded MCU, high accuracy differential pressure sensor, adjustable throttle valve, data storage cloud ware, remote control customer end, three-colour alarm lamp, LCD touch display screen constitute local data processing module, local data acquisition module, thing networking wireless communication module, remote data storage module, remote data monitor terminal, status indication and extension module.
The local data processing module consists of an STM32F103RCT6 embedded MCU of a Cortex-M3 framework and peripheral basic circuits thereof, and is used for receiving and processing an analog voltage signal transmitted by the local data acquisition module, converting the analog voltage signal into digital quantity data through an embedded MCU built-in AD acquisition circuit, and controlling the Internet of things wireless communication module to send detection data information of the pneumatic measurement equipment to the remote data storage module and receive a remote control command.
The local data acquisition module consists of a high-precision differential pressure sensor, wherein the differential pressure sensor is electrically connected with the embedded MCU and is used for converting a gas pressure signal into an analog voltage signal.
The internet of things wireless communication module is composed of a WiFi module ESP8266 and is electrically connected with the embedded MCU, mechanical part measurement data are pushed to the remote data storage module through an MQTT internet of things communication protocol, and a user remote control command is received.
The remote data storage module is composed of a cloud server and used for receiving the measurement data and storing the measurement data in a database form.
The remote data monitoring terminal is composed of client software, the qualified conditions of the mechanical parts are remotely checked in real time through a visual interface, the pneumatic measuring equipment can be maintained and upgraded on line through the client software, and a channel for controlling the pneumatic measuring equipment is selected.
The state indicating and expanding module consists of a three-color alarm lamp, an LCD touch display screen, an RS485 communication interface and a network port, wherein the three-color alarm lamp is electrically connected with the local data processing module, is fixed at the top of the equipment shell and is used for indicating the state of the equipment; the LCD touch display screen is electrically connected with the local data processing module, is fixed on the equipment shell and is used for sending an operation control instruction when a user debugs and controls a single piece of equipment and displaying debugging measurement data; the RS485 communication interface is electrically connected with the local data processing module, is fixed on the back of the equipment shell and is used for equipment serial port communication expansion; the network port is electrically connected with the local data processing module, is fixed on the back of the equipment shell and is used for the equipment to expand the wired network communication.
Preferably, the local data processing module is fixed at the bottom in the housing cavity of the pneumatic measuring device body through screws.
The invention relates to an intelligent multi-channel pneumatic measuring system based on an industrial Internet of things, which collects the air pressure flowing out of a filter outlet through a local data acquisition module, converts an air pressure signal into an electric signal by using a high-precision differential pressure sensor, feeds the electric signal back to an embedded MCU in a local data processing module, converts an analog electric signal into a digital quantity by using an AD conversion circuit arranged in the local data processing module, obtains the size information of a mechanical part through corresponding data processing, thereby realizing the high-precision acquisition of a measuring signal and obtaining more accurate measuring data, simultaneously, the local data processing module uploads the acquired and processed measuring data to a remote data storage module through an Internet of things wireless communication module by using an MQTT Internet of things communication protocol data frame, and a user can check the measuring result and the qualified condition in real time through a software client of a remote data monitoring terminal, therefore, the detection efficiency of measuring the size of the mechanical part is greatly improved, especially when a plurality of measuring devices in large batch are simultaneously detected, the labor output cost is greatly saved, remote online upgrade and maintenance of the measuring devices can be realized, various digital control information is received, and the production requirements of remote online monitoring and maintenance of large-scale measuring data information of enterprises are met.
Drawings
FIG. 1 is a system composition block diagram of an intelligent multi-channel pneumatic measurement system based on an industrial Internet of things;
FIG. 2 is a schematic side view of the equipment body of the intelligent multi-channel pneumatic measurement system based on the industrial Internet of things;
FIG. 3 is a schematic diagram of a rear view structure of an intelligent multi-channel pneumatic measurement system device body based on an industrial Internet of things;
FIG. 4 is a schematic diagram of a channel gas path of an intelligent multi-channel pneumatic measurement system device body based on an industrial Internet of things;
in the figure: 1. a three-color alarm lamp; 2. an LCD touch screen; 3. a device foot pad; 4. an air intake module; 5. a wireless communication antenna; 6. an equipment housing; 7. a device back panel; 8. fixing screws; 9. an adjustable throttle valve; 10. a switch button; 11. a power supply three-pin jack; 12. a network port; 13-1, main nozzle 1; 13-2, main nozzle 2; 14. an RS485 communication interface; 15. an air compressor; 16. a total intake valve; 17. a filter; 18. a gas splitter; 19. and a pneumatic measuring head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and fully described, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an intelligent multichannel pneumatic measurement system based on an industrial Internet of things, which comprises a local data processing module, a local data acquisition module, an Internet of things wireless communication module, a remote data storage module, a remote data monitoring terminal and a state indicating and expanding module, wherein the local data processing module is composed of a wireless communication module, an MQTT Internet of things protocol, an embedded MCU, a high-precision differential pressure sensor, a high-pressure air pipe, a data storage cloud server, a remote control client, a three-color alarm lamp and an LCD touch display screen, as shown in figure 1. The system combines the technologies of the Internet of things, an embedded MCU, a remote control terminal, a high-precision differential pressure sensor, wireless network transmission, a data storage cloud server, data processing and the like, realizes the functions of wireless uploading of measured data of multiple devices, remote data monitoring and visualization, remote online upgrading and maintenance of the devices, remote selection of the number of the measured channels of the devices and the like on the basis of detecting mechanical parts by a multi-channel pneumatic measuring device, greatly saves the output cost of manpower and material resources, is convenient for workers to record and check the measured data of the mechanical parts, can reflect the qualified conditions of mechanical part measurement in real time, and meets the production requirements of large-scale measured data information remote online monitoring of enterprises.
After a power supply three-pin jack 11 in the intelligent multi-channel pneumatic measuring system is powered on, a switch button 10 and a main air inlet valve 16 are opened, an air compressor 15 starts to work to output air, the air is filtered by a filter 17 to remove dust, moisture and oil in the air and then enters each measuring channel after being branched by a gas splitter 18, the measuring channels are divided into two paths, one path of the measuring channels flows to a pneumatic measuring head 9 from a main nozzle 113-1 through an adjustable throttle valve 9 and then flows to the atmosphere, and the other path of the measuring channels flows to a high-precision differential pressure sensor in a local data acquisition module through a main nozzle 213-2 and is used for measuring the pressure of the air flowing out of an outlet of the path.
The high-precision differential pressure sensor in the local data acquisition module is preferably an SPRA030D differential pressure sensor, and gas flows into the sensor to convert a gas pressure signal into an electric signal and feeds the electric signal back to the embedded MCU in the local data processing module. Specifically, an embedded MCU in the local data processing module is preferably an STM32F103RCT6 single chip microcomputer, an electric signal acquired every 100ms is converted into a digital quantity signal through a 12-bit AD conversion module arranged in the STM32F103RCT6 single chip microcomputer, then the single chip microcomputer arranges data according to a specific data frame format of an MQTT internet of things communication protocol, and the data is sent to the remote data storage module through the internet of things wireless communication module. Specifically, the internet of things wireless communication module is preferably an ESP 8266.
The remote data storage server is preferably an MQTT cloud server. The remote data monitoring terminal can access the mechanical part measurement data in the remote data storage in real time through a network, and visually present the qualified condition of the measurement data of each pneumatic measurement device through a visual interface. When the number of detection channels of one or more pneumatic measuring devices needs to be converted, a user can select the number of the detection channels through a remote control terminal, the command is transmitted to an MQTT cloud server through a network after the selection is confirmed, the MQTT cloud server transmits the command to a local data processing module through an Internet of things wireless communication module, the local data processing module analyzes the control command to obtain the channels needing to be closed and the channels needing to be opened, and then the corresponding differential pressure sensors in the local data acquisition module are controlled to be closed and opened, so that the number of the measurement channels of the pneumatic measuring devices can be selected through remote control. When the pneumatic measuring equipment needs to be upgraded and maintained in batches, a user can transmit upgraded and maintained information to the MQTT cloud server through the remote control terminal, the MQTT cloud server transmits and distributes the upgraded and maintained information to the local data processing module of each pneumatic measuring equipment through the Internet of things communication module, and the local data processing module of each equipment analyzes the information to realize remote batch upgrading and maintenance.
Three-colour alarm lamp 1 in state indication and the extension module, with local data processing module electric connection, fix at the equipment shell top for equipment state indicates, and the red light is bright to indicate that the equipment power supply is normal, and the red light is bright and has the chimes of doom and indicate that the equipment operation is abnormal, and the green light is bright to indicate that the equipment is moving, and the yellow light is bright to indicate that the equipment is normal, is in waiting for measuring state. The LCD touch screen 2 is used for displaying detection conditions of all channels when a single device is debugged and assisting to control the single device through the LCD touch screen 2. And the RS485 communication interface 14 is electrically connected with the local data processing module, is fixed on the back of the equipment shell and is used for equipment serial port communication expansion. The network port 12 is electrically connected with the local data processing module, fixed on the back of the device shell and used for the device to expand the wired network communication.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (8)
1. The utility model provides an intelligent multichannel pneumatic measurement system based on industry thing networking which characterized in that: the system combines the technologies of the Internet of things, an embedded MCU, a remote control terminal, a high-precision differential pressure sensor, wireless network transmission, a data storage cloud server, data processing and the like, and realizes the functions of wireless uploading of measured data of multiple devices, remote data monitoring and visualization, remote online upgrading and maintenance of the devices, remote selection of the number of the measured channels of the devices and the like on the basis of detecting mechanical parts of multi-channel pneumatic measuring devices. The labor output cost is greatly saved by a wireless uploading mode of the measured data; the remote data monitoring and visualization greatly facilitate the recording and checking of the measurement data of the mechanical part by workers, reflect the qualified condition of the measurement of the mechanical part in real time and meet the production requirement of remote online monitoring of large-scale measurement data information of enterprises; through the remote online upgrading and maintenance of the equipment, the normal work of the pneumatic measuring equipment is guaranteed, manpower and material resources are saved, and meanwhile, the influence on the production of enterprises is reduced.
2. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the local data processing module consists of an STM32F103RCT6 embedded MCU of a Cortex-M3 framework and peripheral basic circuits thereof, and is used for receiving and processing an analog voltage signal transmitted by the local data acquisition module, converting the analog voltage signal into digital quantity data through an embedded MCU built-in AD acquisition circuit, and controlling the Internet of things wireless communication module to send detection data information of the pneumatic measurement equipment to the remote data storage module and receive a remote control command.
3. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the local data acquisition module consists of a high-precision differential pressure sensor, wherein the differential pressure sensor is electrically connected with the embedded MCU and is used for converting a gas pressure signal into an analog voltage signal.
4. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the internet of things wireless communication module is composed of a WiFi module ESP8266 and is electrically connected with the embedded MCU, mechanical part measurement data are pushed to the remote data storage module through an MQTT internet of things communication protocol, and a user remote control command is received.
5. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the remote data storage module is composed of a cloud server and used for receiving the measurement data and storing the measurement data in a database form.
6. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the remote data monitoring terminal is composed of client software, the qualified conditions of the mechanical parts are remotely checked in real time through a visual interface, the pneumatic measuring equipment can be maintained and upgraded on line through the client software, and a channel for controlling the pneumatic measuring equipment is selected.
7. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 1, wherein: the state is instructed and the extension module comprises three-colour alarm lamp 1, LCD touch display screen 2, RS485 communication interface 14 and net gape 12, and three-colour alarm lamp 1, with local data processing module electric connection, fixes at the equipment shell top for equipment state instructs, and the red light is bright to indicate that the equipment power supply is normal, and the red light is bright and has the chimes of doom and indicate that the equipment operation is abnormal, and the green light is bright to indicate that the equipment is running, and the yellow light is bright to indicate that the equipment is normal, is in waiting for measuring state. The LCD touch screen 2 is used for displaying detection conditions of all channels when a single device is debugged and assisting to control the single device through the LCD touch screen 2. And the RS485 communication interface 14 is electrically connected with the local data processing module, is fixed on the back of the equipment shell and is used for equipment serial port communication expansion. The network port 12 is electrically connected with the local data processing module, fixed on the back of the device shell and used for the device to expand the wired network communication.
8. The intelligent multi-channel pneumatic measurement system based on the industrial internet of things as claimed in claim 2, wherein: the local data processing module is fixed at the bottom in the cavity of the housing of the pneumatic measuring equipment body through screws.
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| CN202110521805.0A CN113155061A (en) | 2021-05-13 | 2021-05-13 | Intelligent multi-channel pneumatic measurement system based on industrial Internet of things |
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| CN202110521805.0A CN113155061A (en) | 2021-05-13 | 2021-05-13 | Intelligent multi-channel pneumatic measurement system based on industrial Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118368666A (en) * | 2024-04-29 | 2024-07-19 | 广东云百智联科技有限公司 | Industrial digital information cloud storage system and method |
| CN119178395A (en) * | 2024-11-25 | 2024-12-24 | 浙江双鸿科技有限公司 | High-precision multi-size synchronous measurement gas-electricity meter |
-
2021
- 2021-05-13 CN CN202110521805.0A patent/CN113155061A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118368666A (en) * | 2024-04-29 | 2024-07-19 | 广东云百智联科技有限公司 | Industrial digital information cloud storage system and method |
| CN119178395A (en) * | 2024-11-25 | 2024-12-24 | 浙江双鸿科技有限公司 | High-precision multi-size synchronous measurement gas-electricity meter |
| CN119178395B (en) * | 2024-11-25 | 2025-02-25 | 浙江双鸿科技有限公司 | A multi-size synchronous gas and electricity measurement instrument |
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