Optical self-detection linear beam type smoke-sensitive fire detector and on-site self-detection method
A linear light beam and smoke-sensing fire technology, which is applied to fire alarms, instruments, and alarms that rely on radiation effects, can solve problems such as fire safety hazards, inconvenient working conditions, and large detector installation spans. Achieve the effect of reducing failure rate and false alarm rate, strengthening daily maintenance and detection, and eliminating fire accidents.
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[0029] An embodiment of the present invention will be further described below in conjunction with the drawings.
[0030] In the embodiment of the present invention, such as figure 1 As shown, the optical self-inspection linear beam smoke detector includes a single-chip microcomputer, a signal receiving circuit, a signal answering circuit, and a linear optical beam electrical control dimming analog smoke optical self-inspection circuit;
[0031] In the embodiment of the present invention, such as figure 1 As shown, the linear light beam electronic control dimming simulation smoke sensing optical self-check circuit includes infrared light emitting tube FG, adjustable voltage regulator tube W1, first PNP tertiary tube T1, second NPN tertiary tube T2, and third NPN tertiary tube T3, first resistor R1, second resistor R2, third resistor R3, fourth resistor R4, fifth resistor R5, sixth resistor R6, seventh resistor R7, capacitor C1, diode D1, infrared light receiver Tube SG and amplifyin...
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