Limit protection control method, device and system, and engineering machine
A limit protection and control method technology, which is applied in the field of controllers, limit protection control methods, and construction machinery, can solve the problems of short distance, only a few centimeters of sensing distance, insufficient precision, physical wear and other problems, and achieve fast communication speed and anti-corrosion. Electrostatic performance, effect of small amount of data
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[0014] The embodiment of the present invention provides a limit protection control method, which uses the characteristics of radio frequency signals to perform limit protection. The equipment implementing the limit protection control method includes a radio frequency sensor, a radio frequency signal receiver, a controller and a limit protection actuator, such as figure 1 As shown, the specific steps are as follows:
[0015] S101. Receive the radio frequency induction signal output by the radio frequency signal receiver, and the radio frequency induction signal is sent to the radio frequency signal receiver after being activated by the radio frequency signal electromagnetic field emitted by the radio frequency signal receiver by the radio frequency sensor located at the limited structure;
[0016] Specifically, the radio frequency sensor is installed at the limited structure, and the radio frequency signal receiver is located on the opposite side of the limited structure in the...
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