Earth connection alarm system
The utility model discloses an earth connection alarm system, including main control unit, nearly electric alarm ware, recording sound reproduction module, audio amplification module, sound equipment, watchdog module, display module and power module, main control unit is connected with nearly electr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses an earth connection alarm system, including main control unit, nearly electric alarm ware, recording sound reproduction module, audio amplification module, sound equipment, watchdog module, display module and power module, main control unit is connected with nearly electric alarm ware, recording sound reproduction module, watchdog module, display module respectively, and recording sound reproduction module connects gradually audio amplification module, sound equipment, and power module is connected with main control unit, nearly electric alarm ware respectively, each of earth connection goes up mutually all installs nearly electric alarm ware, the utility model discloses earth connection alarm system carries out front end analysis processes through nearly electric alarm ware with the monitor signal of receiving, takes out 50HZ power frequency signal, and its signal intensity of analysis when reaching the default, sends wireless alarm signal and gives main control unit, and main con |
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