The system useswireless networking to perform temperature acquisition and real-timemonitoring, and ensures stable and reliable communication in complexenvironments. The system uses the si4463 wireless module, which is divided intothe acquisition end and the centralized end. The acquisition end uses alow-power operation mode, and the working time of the battery using 1000mA can reach10 years. The system has been used in batches and has received good feedback onthe client side.
1. The network is divided into two parts.
Temperature measurement terminal -acquisition temperature timing upload
Concentration--Displaysthe collected temperature and voltage for 64 points and summarizes the data ofall online nodes.
2．Temperaturemeasuring terminal function
(1. Temperature collection
Analog temperature sensor (PT1000)
The acquisition temperature rangeis 0~500 degrees Celsius.
(2. Battery voltage measurement
Voltage range 3.3~4.2V
(3. Timing upload
The scheduled acquisition upload time isadjustable from 64 to 3600S.
The PC modifies the centralized end, andthe centralized end modifies the temperature measuring end by wireless;
(4. Automatic time synchronization
Internal use of time synchronizationmechanism to prevent data collision;
(5. Low power consumption
1000mA battery life is more than 3 years。
3. Centralized function
(1. Collect the temperature and voltage data of the 64nodes associated with it and display them on the LCD screen.
Each page displays 6 nodes for a total of 11 pages;
Automatic page turning and manual page turning;
(2. Can display the centralized ID (network ID) andmodel
(3. Fault display
Sensor failure - - ###
Communication failure - -*** andindicator light
(4.Data summary is output through 485, and the summary data can be displayed through the host computer;
(5. Host computer parameter configuration
a. Central ID
b. Centralized model
c. Temperature measurement end reporting interval
d. Collected temperature measurement end ID range
Wireless modified parameters:
b. Network ID of the temperature measuringend
c. Temperature measurement end ID
d. Temperature calibration at thetemperature measuring end
Wireless module: Si4463
Frequency band: 868M
Each network consists of a centralized endand 64 temperature measuring ends, allowing 40 networks in the sameenvironment.