CN210719243U - Factory workshop air quality monitoring system based on LoRa spread spectrum technology - Google Patents
Factory workshop air quality monitoring system based on LoRa spread spectrum technology Download PDFInfo
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- CN210719243U CN210719243U CN201921517177.3U CN201921517177U CN210719243U CN 210719243 U CN210719243 U CN 210719243U CN 201921517177 U CN201921517177 U CN 201921517177U CN 210719243 U CN210719243 U CN 210719243U
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000001228 spectrum Methods 0.000 title claims abstract description 14
- 238000012544 monitoring process Methods 0.000 title claims description 22
- 238000005516 engineering process Methods 0.000 title claims description 9
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an air quality monitored control system is used in workshop of mill based on loRa spread spectrum technique, including WIFI wireless serial port server, the wireless submodule piece of loRa, the wireless main module of loRa, MCU, PM2.5The system comprises a sensor, a temperature and humidity sensor and a Web server. The LoRa wireless sub-module is connected with the LoRa wireless main module, and the LoRa wireless main module mainly has the function of collecting sensor data processed by a single chip microcomputer connected with the LoRa wireless sub-module; LoRa wireless main module transmits data to WIFI wireless string through MCUThe oral server and the WIFI wireless serial port server enable data to be directly transmitted to the HTTP server side, the data are directly submitted to the Web server in a HTTP (GET/POST) mode, and a user can directly observe changes of test data in real time through the Web server.
Description
Technical Field
The utility model relates to a long-range real-time on-line monitoring technical field, concretely relates to air quality monitored control system is used in mill's workshop based on loRa spread spectrum technique.
Background
The indoor environment health has received more and more attention of people, and what more serious than house indoor environmental pollution is the factory environment, along with the rapid development of science and technology, the continuous increase of daily output, factory indoor environmental pollution has aroused very big attention. Many businesses monitor the plant environment on a regular basis or in real time. The environment monitoring network is an on-line automatic monitoring mode, and utilizes sensors to monitor PM in environment2.5Temperature, humidity, ozone and the like are measured, and data are sent to a monitoring center through a network, so that the real-time monitoring of the air quality of a monitored place is realized, and the workload of monitoring personnel is greatly reduced; the environmental quality can be determined and the change trend can be predicted by analyzing the data, and the method is widely applied to important fields of air quality monitoring, acid rain monitoring, radiation monitoring, water quality monitoring and the like. At present, the existing environment monitoring system mainly adopts wired signal transmission, the wiring of the mode is complex, the transmission distance is limited, the reliability and the stability of the system are all to be improved, and a small part of adopted wireless signal transmission systems are not suitable for the factories with dust static electricity, noise and other interferences.
The utility model provides an air quality monitored control system is used in mill's workshop based on loRa spread spectrum technique to above-mentioned problem. LoRa is a low-power consumption local area network wireless standard established by semtech corporation, generally has low power consumption, is difficult to cover a long distance, and has high power consumption, and the biggest characteristic of LoRa is that the transmission distance is longer than that of other wireless modes under the same power consumption condition, thereby realizing the unification of low power consumption and long distance, and the distance is enlarged by 3-5 times than that of the traditional wireless radio frequency communication under the same power consumption.
Disclosure of Invention
An object of the utility model is to above-mentioned not enough, provided the air quality monitored control system for factory workshop based on loRa spread spectrum technique.
The utility model discloses a solve the problem that proposes in the background art, the technical scheme of adoption is: the utility model provides an air quality monitored control system is used in mill workshop based on loRa spread spectrum technique, includes WIFI wireless serial port server, the wireless submodule piece of loRa, MCU, PM2.5 sensor, temperature and humidity sensor and Web server.
The LoRa wireless sub-module is connected with the LoRa wireless main module, and the LoRa wireless main module mainly has the function of collecting sensor data processed by a single chip microcomputer connected with the LoRa wireless sub-module; the LoRa wireless main module transmits data to the WIFI wireless serial server through the MCU, the WIFI wireless serial server enables the data to be directly transmitted to the HTTP server end, the data are directly submitted to the Web server in a HTTP (GET/POST) mode, and a user can directly observe changes of the test data in real time through the Web server.
The communication modules of the LoRa wireless sub-module and the LoRa wireless main module both adopt SX1278 radio frequency chips, the specific hardware structure is shown in figure 2, and each node consists of an SX1278 module, a series of sensor modules and a power supply module.
The model of the WIFI wireless serial port server is USR-WIFI 232-W600.
The MCU-n selects an STM32F103C8T6 singlechip, the MCU selects an STM32F103RCT6 singlechip, and the MCU module is connected with the LoRa wireless submodule through an RXD pin, a TXD pin and a GND pin in a data port and a corresponding pin on the singlechip.
The LoRa wireless sub-module and the LoRa wireless main module are determined to be the sub-module or the main module through a software setting transmission mode.
Advantageous effects
The utility model discloses an air quality monitored control system is used in mill's workshop based on loRa spread spectrum technique has realized the real-time supervision purpose to the air quality everywhere of mill. The system joint debugging proves that the data transmission of the wireless sensor network is stable, each monitoring point can be monitored in real time through the network and the terminal, the monitoring data is transmitted to Web through the WIFI wireless serial server, and the user can realize real-time monitoring. The system has strong usability in industrial plants and has better application prospect.
Drawings
Fig. 1 is a monitoring system structure of the present invention;
fig. 2 shows hardware structures of the LoRa wireless sub-module and the LoRa wireless main module.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, the air quality monitoring system for the factory workshop based on the LoRa spread spectrum technology comprises a WIFI wireless serial server, a LoRa wireless sub-module, a LoRa wireless main module, an MCU, a PM2.5 sensor, a carbon dioxide sensor and a Web. The LoRa wireless sub-module is connected with the LoRa wireless main module, and the LoRa wireless main module mainly has the function of collecting sensor data processed by a single chip microcomputer connected with the LoRa wireless sub-module; the LoRa wireless main module transmits data to the WIFI wireless serial server through the MCU, the WIFI wireless serial server enables the data to be directly transmitted to the HTTP server end, the data are directly submitted to the Web server in a HTTP (GET/POST) mode, and a user can directly observe changes of the test data in real time through the Web server.
The utility model discloses specific embodiment as follows:
in the factory, the target positions are respectively provided with a LoRa wireless sub-module, an MCU and a sensor, and the LoRa wireless sub-module is placed in the middle position. After power is supplied to the system, the LoRa wireless sub-module and the LoRa wireless main module are started, the single chip microcomputer controls the LoRa wireless main module and the LoRa wireless sub-module by sending AT instructions, tries to access a network, enters an information sending sub-program after the network is added, starts to collect sensor test data, manually sets a data storage interval, and uploads the data to the Web.
Claims (5)
1. The air quality monitoring system for the factory workshop based on the LoRa spread spectrum technology is characterized by comprising a WIFI wireless serial server, a LoRa wireless submodule, a LoRa wireless main module, an MCU, a PM2.5 sensor, a temperature and humidity sensor and a Web server;
the LoRa wireless sub-module is connected with the LoRa wireless main module, and the LoRa wireless main module mainly has the function of collecting sensor data processed by a single chip microcomputer connected with the LoRa wireless sub-module;
the LoRa wireless main module transmits data to the WIFI wireless serial server through the MCU, the WIFI wireless serial server enables the data to be directly transmitted to the HTTP server end, the data are directly submitted to the Web server in a HTTP (GET/POST) mode, and a user can directly observe changes of the test data in real time through the Web server.
2. The system for monitoring the air quality of the factory workshop based on the LoRa spread spectrum technology is characterized in that both the LoRa wireless submodule and the LoRa wireless main module adopt SX1278 radio frequency chips.
3. The LoRa spread spectrum technology-based factory workshop air quality monitoring system as claimed in claim 1, wherein the model of the WIFI wireless serial port server is USR-WIFI 232-W600.
4. The factory workshop air quality monitoring system based on the LoRa spread spectrum technology is characterized in that the MCU-n selects the STM32F103C8T6 single chip microcomputer, the MCU selects the STM32F103RCT6 single chip microcomputer, and the connection with the LoRa wireless sub-module is realized through connecting corresponding pins on the single chip microcomputer through three pins including RXD, TXD and GND in a data port.
5. The system for monitoring the air quality of the factory workshop based on the LoRa spread spectrum technology as claimed in claim 1 or 2, wherein the LoRa wireless sub-module and the LoRa wireless main module are determined to be the sub-module or the main module by software setting transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517177.3U CN210719243U (en) | 2019-09-10 | 2019-09-10 | Factory workshop air quality monitoring system based on LoRa spread spectrum technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517177.3U CN210719243U (en) | 2019-09-10 | 2019-09-10 | Factory workshop air quality monitoring system based on LoRa spread spectrum technology |
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| Publication Number | Publication Date |
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| CN210719243U true CN210719243U (en) | 2020-06-09 |
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| CN201921517177.3U Expired - Fee Related CN210719243U (en) | 2019-09-10 | 2019-09-10 | Factory workshop air quality monitoring system based on LoRa spread spectrum technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567524A (en) * | 2019-09-10 | 2019-12-13 | 天津大学 | factory workshop air quality monitoring system based on LoRa spread spectrum technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567524A (en) * | 2019-09-10 | 2019-12-13 | 天津大学 | factory workshop air quality monitoring system based on LoRa spread spectrum technology |
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Granted publication date: 20200609 |