Patent ID: 11961150
Assignee: SICHUAN FORESTRY AND GRASSLAND INVESTIGATION AND PLANNING INSTITUTE
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The national forest resources continuous inventory sample plot monitoring method according to claim 5, wherein specific operation steps in step (1) are as follows:
(1.1) after arriving at the inventory sample plot, completing the sample plot restoration, and testing a local signal by the data collection terminal to determine a type of a communication relay apparatus;
(1.2) arranging the communication relay apparatus at a central position of the sample plot, testing a connected status, and keeping the communication relay apparatus in a turn-on status after connection succeeds;
(1.3) connecting the data collection terminal to the communication relay apparatus, setting a data collection frequency, and determining start time and start duration of the communication relay apparatus and the tree diameter measuring sensor;
(1.4) selecting a sample tree diameter measuring position and fixing the tree diameter measuring sensor to the sample tree to be measured;
(1.5) starting the tree diameter measuring sensor and connecting the data collection terminal to the tree diameter measuring sensor;
(1.6) pulling a pull rope out from a pull wire outlet of the tree diameter measuring sensor, and buckling the pull rope into an anti-dismantle pull wire fixing port after winding the sample tree for one circle;
(1.7) checking whether a measured value about the diameter of the sample tree is shown in the data collection terminal, and in response to no measured value being shown, pressing the start button of the tree diameter measuring sensor to ensure that the pull rope is pulled again in a start status for mounting;
(1.8) clicking to connect the tree diameter measuring sensor, and inputting a tree species and a tally type;
(1.9) implementing communication between the tree diameter measuring sensor and the communication relay apparatus, to transmit input tally and battery capacity information to the communication relay apparatus for storage;
(1.10) performing clock synchronization on the tree diameter measuring sensor and the communication relay apparatus, and obtaining start time and start duration of the tree diameter measuring sensor;
(1.11) enabling the tree diameter measuring sensor that is not in communication connection to automatically enter a dormant status after a fixed interval;
(1.12) repeating steps (1.4-1.11) to complete mounting of tallies and tree diameter measuring sensors for all sample trees in the inventory sample plot;
(1.13) returning, by the communication relay apparatus, the stored information to the communication receiving apparatus through a base station, and summarizing the information into a network server on the platform layer; and
(1.14) disconnecting the data collection terminal and the communication relay apparatus, and enabling the communication relay apparatus to automatically enter a dormant status after a fixed interval.