As can be seen from the table, when the temperature value of each node is greater
than the threshold, the exhaust fan is opening; otherwise, the exhaust fan is closing.
Test results show that the actual results are consistent with the preset.
The stability test is mainly aimed at the test of communication transmission reliability between the acquisition terminal nodes and the routing nodes. This design has
five temperature and humidity sensors for data collection and each collection cycle is
1 s. The total data collection time is half an hour, and the results are shown in Table 4.
As can be seen from Table 2, a total of 1800 times were collected within half an
hour, and the success rate was about 99.14%. In the process of data transmission,
packet loss occurred occasionally, and the system was very stable.
6 Conclusion
In this paper, an intelligent exhaust system based on STM32 is implemented. The
system takes data collection as the underlying node, routing as the relay station for
information collection, and PC side management software and mobile side management software as the control interface for data processing and storage. LORA communication is used to monitor and control the temperature and humidity of each node
remotely. The communication protocol of this system greatly reduces the loss rate of
data and ensures the stability of the system, which is of great significance for the
factory to realize intelligent.
Table 3. System data
Temperature (°C)
Humidity (%)
State
26.51
43.17
Close
27.43
41.38
Close
28.04
48.56
Open
28.61
50.49
Open
Table 4. Stability test
Acquisition node
Number of sending
Number of receiving
Success rate (%)
Node 1
1800
1782
99.0
Node 2
1800
1789
99.4
Node 3
1800
1779
98.8
Node 4
1800
1784
99.1
Node 5
1800
1790
99.4
Intelligent Exhaust System of Cross-Linked Workshop
311
than the threshold, the exhaust fan is opening; otherwise, the exhaust fan is closing.
Test results show that the actual results are consistent with the preset.
The stability test is mainly aimed at the test of communication transmission reliability between the acquisition terminal nodes and the routing nodes. This design has
five temperature and humidity sensors for data collection and each collection cycle is
1 s. The total data collection time is half an hour, and the results are shown in Table 4.
As can be seen from Table 2, a total of 1800 times were collected within half an
hour, and the success rate was about 99.14%. In the process of data transmission,
packet loss occurred occasionally, and the system was very stable.
6 Conclusion
In this paper, an intelligent exhaust system based on STM32 is implemented. The
system takes data collection as the underlying node, routing as the relay station for
information collection, and PC side management software and mobile side management software as the control interface for data processing and storage. LORA communication is used to monitor and control the temperature and humidity of each node
remotely. The communication protocol of this system greatly reduces the loss rate of
data and ensures the stability of the system, which is of great significance for the
factory to realize intelligent.
Table 3. System data
Temperature (°C)
Humidity (%)
State
26.51
43.17
Close
27.43
41.38
Close
28.04
48.56
Open
28.61
50.49
Open
Table 4. Stability test
Acquisition node
Number of sending
Number of receiving
Success rate (%)
Node 1
1800
1782
99.0
Node 2
1800
1789
99.4
Node 3
1800
1779
98.8
Node 4
1800
1784
99.1
Node 5
1800
1790
99.4
Intelligent Exhaust System of Cross-Linked Workshop
311