Alarm device
The utility model relates to an alarm device comprising an alarm detection module, a main processor control module, a relay motion module, a power supply module, a communication receiving module with lightning protection circuit, and an indicator lamp module. The input end of the main processor cont...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to an alarm device comprising an alarm detection module, a main processor control module, a relay motion module, a power supply module, a communication receiving module with lightning protection circuit, and an indicator lamp module. The input end of the main processor control module is connected with the output end of the power supply module, and the input end of the relay motion module is connected with the output end of the main processor control module. The input end of the alarm detection module and the indicator lamp module are connected with the output end of the main processor control module, and the input, output end of the communication receiving module with lightning protection circuit is connected with the input, output end of the main processor control module. The alarm detection module is constituted by 8 photoelectric couplers from U1 to U8, and a matching resistance is added to the RS485 communication end of the communication receiving module with lightning protection |
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