Modern primary schools are often the integration of pre-school education and primary education, with a large campus regional layout structure, teaching, office, library, playground and other campus buildings, with reasonable campus layout and beautiful environment. The public broadcasting system of primary school campus is built to serve the daily humanized service and broadcasting function of primary school campus, and must meet the diversified functional requirements of middle school campus, including daily background music broadcasting, regional broadcasting of various background music broadcasting tasks, all-weather or scheduled broadcasting, unattended, etc. Broadcast of various real-time commercial broadcasts; The emergency intervention of fire-fighting broadcasting requires the broadcasting system to be efficient, stable, comprehensive, intelligent and diversified.

Secondly, the application of CEO-PA intelligent broadcasting system in primary school campus is comprehensively described.

1, functional requirements of primary school campus broadcasting system:

1): constant voltage broadcast transmission mode and multi-partition structure are considered in campus broadcasting;

2): The function of campus broadcasting system requires music to be played every day, including all-weather and fixed-point and multi-source broadcasting.

3): It can broadcast and page any partition to provide remote paging for the principal's office;

4): Schedule schedules, music ringtones, etc. around the clock. The system must be able to set schedules and ringtones according to different quarters and different departments. , can run regularly in different areas, without interference;

5): fire linkage, with fire broadcast function;

6): The whole system can be automatically programmed to turn on and off the machine at any time, including (ringing the bell regularly and time switch machine, etc. ), start the system equipment regularly, and realize the whole unattended function.

2. System scheme design:

Functional requirements of primary school campus broadcasting system: divide broadcasting according to classrooms, playgrounds and green lawns. , and with various types of broadcast speakers to amplify the broadcast terminal, covering the entire campus broadcast area;

Structure diagram of primary school campus broadcasting system