Signal centralized monitoring system for lightning protection
A technology for centralized monitoring and signal lightning protection, applied in signal transmission systems, electrical signal transmission systems, instruments, etc., can solve the problem of reflecting the fault location, the lightning protection device does not have the function of fault self-monitoring, and the maintenance and repair personnel are inconvenient to work, etc. problems, to achieve the effect of improving work efficiency and reducing labor intensity
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Embodiment 1
[0019] A signal lightning protection centralized monitoring system is composed of a PC upper computer a, a digital tube b, an intelligent monitoring host c, and a lightning protection cabinet d. The intelligent monitoring host c is respectively connected to the PC upper computer a, the digital tube b, and the lightning protection cabinet d.
[0020] The intelligent monitoring host c is composed of an online communication module 1, an information display module 2, an audible and visual alarm module 3, an 8051 CPU 4, a local number setting module 5, a data acquisition module 6 and a power supply module 7. The power supply module 7 provides power to the intelligent monitoring host c; the data collected by the data acquisition module 6 is sent to the 8051 single-chip CPU4; the local number setting module 5 sends the set local address to the 8051 single-chip CPU4; 8051 The single-chip CPU4 is connected with the online communication module 1, and the addressing signal sent by the PC...
Embodiment 2
[0027] like Figure 4 As shown, it is only necessary to replace the RS 485 module circuit with a CAN bus driver module circuit, and replace the 232 / 485 converter with a CAN bus communication interface adapter card. Through the CAN bus communication protocol design of the single-chip microcomputer, a multi-master competitive bus structure is formed. , the rest of the working principles and connection methods are the same as those in the first embodiment, and the same effects as the first embodiment can also be achieved.
Embodiment 3
[0029] like figure 2 As shown, only need to replace CPU4 of 8051 single-chip microcomputer with PIC single-chip microcomputer. For PIC single-chip microcomputer with CAN bus driver module circuit inside, it is not necessary to add CAN bus driver module circuit when performing CAN bus communication. The rest of the working principle and connection method are the same as The first embodiment is the same, and the same effect as the first embodiment can also be achieved.
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