Smoke detector with human body induction function
A smoke detector and human body sensing technology, applied in the field of smoke detectors, can solve the problems of inconvenient fire rescue and inability to sense whether people are trapped in buildings, and achieve low standby power consumption, strong penetration ability, and long use time. Effect
Inactive Publication Date: 2021-01-15
上海嘉筠通信技术有限公司
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Problems solved by technology
[0003] However, traditional smoke alarms can only detect and alarm smoke, and cannot detect whether someone is trapped in the building when a fire occurs, which brings inconvenience to fire rescue. Therefore, we propose a smoke detector with human body induction to solve the above problems
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0020] Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
[0021] refer to figure 1 As shown, it is a smoke detector with human body induction in a preferred embodiment of the present invention, including MCU main control system 1, human body induction detection unit 2, millimeter wave radar antenna 3, smoke detection unit 4, NB-IoT communication Unit 5, NB-IoT antenna 6, LED indication drive unit 7, buzzer drive unit 8 and battery power supply system 9, MCU main control system 1 communicates with human body inducti...
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The invention discloses a smoke detector with human body induction, an MCU main control system is a central control part of the whole product, an NB-IoT communication unit receives signals from a human body induction detection unit and a smoke detection unit, and the signals are transmitted through an NB-IoT antenna. Millimeter wave signals are transmitted through one radar antenna, reflection occurs when a human body is blocked on a transmitting path, the reflected millimeter wave signals are received through the other radar antenna, and the processor analyzes and processes the received and reflected signals in series, so that human body vital sign detection is realized, different from the technology of an optical camera and an infrared sensor which are easily influenced by the external environment, the millimeter wave radar technology has very high penetrability, is particularly used in dark and dense smoke environments, and can detect the vital signs of the human body in time in a complex environment, and a positive effect is achieved on personnel rescue after a fire disaster occurs.
Description
technical field [0001] The invention relates to the field of smoke alarms, in particular to a smoke detector with human body induction. Background technique [0002] Smoke alarm is a fire detection alarm that perceives smoke. When a fire occurs, the probe of the smoke alarm can detect a large amount of smoke generated during the fire, thereby sending out an alarm signal. On the one hand, the fire alarm signal is transmitted wirelessly to specific users or fire control centers through NB-IoT. On the other hand, when the fire smoke is detected, the buzzer and LED lights in the alarm are activated, and a strong alarm sound and photoelectric alarm signal are issued, allowing users to find out the fire in time. [0003] However, traditional smoke alarms can only detect and alarm smoke, and cannot detect whether someone is trapped in the building when a fire occurs, which brings inconvenience to fire rescue. Therefore, we propose a smoke detector with human body induction device...
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IPC IPC(8): G08B17/10G08B7/06G08B25/10
CPCG08B7/06G08B17/10G08B25/10
Inventor 金均华
Owner 上海嘉筠通信技术有限公司