| 摘要 |
An open scattered light smoke detector may include a light transmitter for emitting light, a light receiver spectrally matched to the light transmitter, and a control unit that actuates the light transmitter, using a pulsed signal sequence, to emit light pulses, evaluates a signal sequence received by the light receiver, and outputs a fire alarm if the received signal strength exceeds a minimum value for smoke concentration. The control unit may actuate the light transmitter with a binary data signal that encodes internal detector data, and/or may analyze a binary coded signal sequence received by the light receiver for a valid encoding of update data for the detector, and then load the validated update data. The detector data may include received signal strength data, optical path calibration data, configuration, operating or encryption data, a positional specification for a detector mounting site, a serial number, and/or a detector bus address. |
| 主权项 |
1. An open scattered light smoke detector, comprising:
a light transmitter configured to emit light, a light receiver spectrally matched to the light transmitter, a control unit connected to the light transmitter and the light receiver, wherein the control unit is configured to:
actuate the light transmitter using a pulsed signal sequence,emit corresponding light pulses,determine a signal strength of a signal sequence received by the light receiver andoutput a fire alarm in response to determining that the signal strength of the received signal sequence exceeds a minimum value for smoke concentration, wherein the control unit is configured to at least one of:
actuate the light transmitter using a binary data signal that encodes internal detector data, oranalyze a binary coded signal sequence received by the light receiver for a valid encoding of update data for the detector, and upon validating the update data, to load the validated update data. |
