CN113611074A - Smoke alarm device and method capable of sensing vital signs - Google Patents
Smoke alarm device and method capable of sensing vital signs Download PDFInfo
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- CN113611074A CN113611074A CN202110961813.7A CN202110961813A CN113611074A CN 113611074 A CN113611074 A CN 113611074A CN 202110961813 A CN202110961813 A CN 202110961813A CN 113611074 A CN113611074 A CN 113611074A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/10—Detection; Monitoring
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/30—Control
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- H—ELECTRICITY
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Abstract
A can perceive the smog alarm device and method of the vital sign, when the smog sensory module detects that there is smog in the environment, the smog sensory module sends the alarm signal to the microcontroller; the radar sensing module is used for judging whether personnel exist in the environment with smoke by using the human body micro-motion signal; the networking module is used for transmitting the processing information of the controller to a cloud or a control center; when smoke exists in the environment, the sound-light alarm prompting module carries out sound-light alarm prompting; when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode; when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode. The invention can enable the rescue workers to know whether the trapped people exist in the fire search and rescue field at the first time, avoid missing the gold rescue time of the trapped people, more accurately find the search and rescue targets during search and rescue, and is beneficial to ensuring the life safety of the trapped people.
Description
Technical Field
The invention relates to the technical field of smoke alarm, in particular to a smoke alarm device and method capable of sensing vital signs.
Background
At present, millimeter wave radar is applied to indoor personnel detection and tracking, and the principle is that electromagnetic wave signals are transmitted through a radar antenna, are blocked by objects on a transmitting path of the electromagnetic wave signals to be reflected, are received by a radar receiving antenna, and information such as distance, speed, angle and the like of the objects can be determined by performing a series of processing on the received signals. In the moving process of the human body, different moving modes of all parts can form modulation effects of different forms and degrees in electromagnetic wave signals, and the human body vital signs can be identified through observation and analysis in a time-frequency spectrogram obtained by performing time-frequency analysis on radar echo signals.
The smoke alarm can detect a large amount of smoke generated in a fire and send out an alarm signal in time. The traditional smoke alarm in the market is divided into two types of ion type smoke detectors and photoelectric type smoke detectors. Both of these alarms give an alarm signal before a fire occurs, but cannot inform the fire site whether or not there is a person. Because of the fire, the primary task of a firefighter is to rescue lives and then to extinguish fires. The time is used for rescuing the life, however, when a fire disaster occurs, a fireman cannot accurately locate whether a person is on the fire scene, so that the fireman can only search for the fire scene at one position, and the optimal rescue time is easily missed. Therefore, a technical scheme is needed to solve the problem that whether trapped people exist in a fire scene cannot be known.
Disclosure of Invention
Therefore, the invention provides the smoke alarm device and the smoke alarm method capable of sensing the vital signs, which can accurately judge whether people exist in a fire scene, and realize timely and accurate target search and rescue in the fire scene.
In order to achieve the above purpose, the invention provides the following technical scheme: a smoke alarm device capable of sensing vital signs comprises a microcontroller, a smoke sensing module, a radar sensing module, an Internet of things module and a sound-light alarm prompting module;
the smoke sensing module is electrically connected with the microcontroller, and when the smoke sensing module detects that smoke exists in the environment, the smoke sensing module sends an alarm signal to the microcontroller;
the radar sensing module is electrically connected with the microcontroller and is used for detecting a human body micro-motion signal to judge whether personnel exist in the environment with smoke;
the Internet of things module is electrically connected with the microcontroller and is used for transmitting the processing information of the microcontroller to a cloud end or a control center;
the sound-light alarm prompting module is electrically connected with the microcontroller and is used for giving sound-light alarm prompting when smoke in the environment is detected;
when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode;
when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode.
As the preferable scheme of the smoke alarm device capable of sensing vital signs, the smoke alarm device further comprises a power module, wherein the microcontroller, the smoke sensing module, the radar sensing module, the Internet of things module and the sound-light alarm prompting module are electrically connected with the power module, and the power module is used for supplying power to the microcontroller, the smoke sensing module, the radar sensing module, the Internet of things module and the sound-light alarm prompting module.
As a preferred scheme of the smoke alarm device capable of sensing vital signs, a voltage output pin of the power supply module is electrically connected with a power supply pin of the microcontroller, the smoke sensing module, the radar sensing module, the internet of things module and the sound-light alarm prompting module respectively;
and a public end pin of the power supply module is electrically connected with a public end pin of the microcontroller, the smoke sensing module, the radar sensing module, the Internet of things module and the sound-light alarm prompting module respectively.
As a preferred scheme of the smoke alarm device capable of sensing vital signs, a transmitting pin of the radar sensing module is electrically connected with a first receiving pin of the microcontroller, and a receiving pin of the radar sensing module is electrically connected with a first transmitting pin of the microcontroller.
As a preferred scheme of the smoke alarm device capable of sensing vital signs, a transmitting pin of the internet of things module is electrically connected with a second receiving pin of the microcontroller, and a receiving pin of the internet of things module is electrically connected with a second transmitting pin of the microcontroller.
As a preferable scheme of the smoke alarm device capable of sensing vital signs, a digital quantity signal output pin of the smoke sensing module is electrically connected with a first GPIO pin of the microcontroller.
As a preferred scheme of the smoke alarm device capable of sensing vital signs, the sound-light alarm prompting module is provided with a green light output pin, a red light output pin and a buzzing pin, and the green light output pin is electrically connected with a second GPIO pin of the microcontroller; the red light output pin is electrically connected with a third GPIO pin of the microcontroller; and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller.
The invention also provides a smoke alarm method capable of sensing vital signs, which comprises the following steps:
the smoke sensing module is called to detect smoke in the environment, and when the smoke sensing module detects that smoke exists in the environment, the smoke sensing module sends an alarm signal to the microcontroller;
calling a radar sensing module to detect a human body micro-motion signal so as to judge whether personnel exist in the environment with smoke;
calling an internet of things module to transmit processing information of the microcontroller to a cloud or a control center;
calling an audible and visual alarm prompting module to perform audible and visual alarm prompting when smoke exists in the environment;
when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode;
when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode.
As a preferred scheme of the smoke alarm method capable of sensing vital signs, a power supply module is called to supply power to a microcontroller, a smoke sensing module, a radar sensing module, an internet of things module and a sound-light alarm prompting module;
a voltage output pin of the power supply module is electrically connected with power supply pins of the microcontroller, the smoke sensing module, the radar sensing module, the Internet of things module and the sound-light alarm prompting module respectively;
and a public end pin of the power supply module is electrically connected with a public end pin of the microcontroller, the smoke sensing module, the radar sensing module, the Internet of things module and the sound-light alarm prompting module respectively.
As a preferred scheme of the smoke alarm method capable of sensing vital signs, a transmitting pin of the radar sensing module is electrically connected with a first receiving pin of the microcontroller, and a receiving pin of the radar sensing module is electrically connected with a first transmitting pin of the microcontroller;
the transmitting pin of the Internet of things module is electrically connected with the second receiving pin of the microcontroller, and the receiving pin of the Internet of things module is electrically connected with the second transmitting pin of the microcontroller;
a digital quantity signal output pin of the smoke sensing module is electrically connected with a first GPIO pin of the microcontroller;
the sound and light alarm prompting module is provided with a green light output pin, a red light output pin and a buzzing pin, and the green light output pin is electrically connected with a second GPIO pin of the microcontroller; the red light output pin is electrically connected with a third GPIO pin of the microcontroller; and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller.
The invention has the following advantages: when the smoke sensing module detects that smoke exists in the environment, the smoke sensing module sends an alarm signal to the microcontroller; the radar sensing module is used for judging whether personnel exist in the environment with smoke by using the human body micro-motion signal; the networking module is used for transmitting the processing information of the controller to a cloud or a control center; when smoke exists in the environment, the sound-light alarm prompting module carries out sound-light alarm prompting; when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode; when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode. The invention can enable the rescue workers to know whether the trapped people exist in the fire search and rescue field at the first time, avoid missing the gold rescue time of the trapped people, more accurately find the search and rescue targets during search and rescue, and is beneficial to ensuring the life safety of the trapped people.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic view of an architecture of a smoke alarm device capable of sensing vital signs provided in an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a smoke alarm device capable of sensing vital signs provided in the embodiment of the present invention;
fig. 3 is a schematic diagram of a smoke alarm method capable of sensing vital signs provided in the embodiment of the present invention.
In the figure, 1, a microcontroller; 2. a smoke sensing module; 3. a radar sensing module; 4. an Internet of things module; 5. the sound and light alarm prompting module; 6. and a power supply module.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a smoke alarm device capable of sensing vital signs is provided, which includes a microcontroller 1, a smoke sensing module 2, a radar sensing module 3, an internet of things module 4 and an acousto-optic alarm prompting module 5;
the smoke sensing module 2 is electrically connected with the microcontroller 1, and when the smoke sensing module 2 detects that smoke exists in the environment, the smoke sensing module 2 sends an alarm signal to the microcontroller 1;
the radar sensing module 3 is electrically connected with the microcontroller 1, and the radar sensing module 3 is used for detecting a human body micro-motion signal to judge whether personnel exist in the environment with smoke;
the internet of things module 4 is electrically connected with the microcontroller 1, and the internet of things module 4 is used for transmitting the processing information of the microcontroller 1 to a cloud or a control center;
the sound-light alarm prompting module 5 is electrically connected with the microcontroller 1, and the sound-light alarm prompting module 5 is used for giving sound-light alarm prompting when smoke exists in the environment;
when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode;
when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode.
In an embodiment of the smoke alarm device capable of sensing vital signs, the smoke alarm device further comprises a power module 6, the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the internet of things module 4 and the audible and visual alarm prompting module 5 are all electrically connected with the power module 6, and the power module 6 is used for supplying power to the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the internet of things module 4 and the audible and visual alarm prompting module 5.
Specifically, a voltage output pin of the power supply module 6 is electrically connected with power supply pins of the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the internet of things module 4 and the sound-light alarm prompting module 5 respectively;
and a public end pin of the power module 6 is electrically connected with public end pins of the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the Internet of things module 4 and the audible and visual alarm prompting module 5 respectively.
Specifically, the power module 6 is a power supply that can be directly attached to a printed circuit board, and can supply power to an application specific integrated circuit, a digital signal processor, a microprocessor, a memory, a field programmable gate array, and other digital or analog loads.
In an embodiment of the smoke alarm device capable of sensing vital signs, a transmitting pin of the radar sensing module 3 is electrically connected to a first receiving pin of the microcontroller 1, and a receiving pin of the radar sensing module 3 is electrically connected to a first transmitting pin of the microcontroller 1.
Specifically, the radar sensing module 3 carries out human body detection through millimeter waves, and the millimeter wave radar has the advantages of strong longitudinal target detection distance and speed detection capability, can realize remote sensing and detection, and can carry out high-precision measurement on both static and dynamic targets.
Taking an IR24VDA radar sensing module 3 as an example, the sensing of human body biological motion and the sensing of human body biological motion are realized based on a millimeter wave Doppler radar system, and the wireless sensing of the state of a person in a specific place is realized by a Doppler parameter of the person motion and a physiological parameter synchronous sensing technology of the person based on an enhanced Doppler radar signal processing system; the system has scene recognition capability, and can recognize the presence/absence of people and the activity state of people in the presence state; the device is not influenced by temperature, humidity, noise, airflow, dust, illumination and the like, and is suitable for severe environments; the output power is low, and the long-time irradiation is harmless to human bodies.
In an embodiment of the smoke alarm device capable of sensing vital signs, the transmission pin of the internet of things module 4 is electrically connected to the second receiving pin of the microcontroller 1, and the receiving pin of the internet of things module 4 is electrically connected to the second transmission pin of the microcontroller 1.
Specifically, the internet of things module 4 is constructed in a cellular network by using a narrowband internet of things module, consumes only a bandwidth of about 180KHz, and can be directly deployed in a GSM network, a UMTS network or an LTE network, so as to reduce deployment cost and realize smooth upgrade. The method has the advantages of wide coverage, capability of supporting mass connection, low delay sensitivity, ultralow equipment cost, low equipment power consumption and optimized network architecture.
In an embodiment of the smoke alarm device capable of sensing vital signs, a digital quantity signal output pin of the smoke sensing module 2 is electrically connected with a first GPIO pin of the microcontroller 1.
In particular, the smoke sensing module 2 may integrate an ionic smoke sensor and a photoelectric smoke sensor. The ion type smoke sensor has a radioactive source americium 241 in an inner ionization chamber and an outer ionization chamber, and positive ions and negative ions generated by ionization respectively move towards a positive electrode and a negative electrode under the action of an electric field. Normally, the current and voltage of the inner and outer ionization chambers are stable. Once smoke escapes from the outer ionization chamber, the normal movement of charged particles is disturbed, the current and the voltage are changed, the balance between the inner ionization chamber and the outer ionization chamber is damaged, and then an alarm signal is sent out. The photoelectric smoke alarm is internally provided with an optical maze, the infrared pair tubes are installed, the infrared receiving tube cannot receive infrared light emitted by the infrared emitting tube when smoke and dust do not enter the optical maze, the receiving tube receives the infrared light through refraction and reflection, the intelligent alarm circuit judges whether the infrared light exceeds a threshold value, and if the infrared light exceeds the threshold value, an alarm is given.
In an embodiment of the smoke alarm device capable of sensing vital signs, the audible and visual alarm prompting module 5 has a green light output pin, a red light output pin and a buzzer pin, and the green light output pin is electrically connected with a second GPIO pin of the microcontroller 1; the red light output pin is electrically connected with a third GPIO pin of the microcontroller 1; and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller 1.
Specifically, the sound-light alarm module is realized by a buzzer and a light-emitting diode, and an NE555 can be used for building a pulse output circuit. The NE555 pulse circuit can output pulse signals with different frequencies by giving control signals with different frequencies to the NE555 pulse circuit, thereby obtaining the acousto-optic alarm effect with different tones.
Specifically, when smoke in the environment and people are detected to be in the environment, a smoke alarm is given in a first acousto-optic prompting mode, for example, red light is flickered, and a prompt buzzing sound is given to prompt rescuers to inform the presence of trapped people in a fire scene.
When the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode. For example, flashing green light and prompting with gentle buzzing sound to inform rescue workers that no trapped person is in the fire scene, and emphasis can be placed on fire suppression.
Referring to fig. 3, an embodiment of the present invention further provides a smoke alarm method capable of sensing a vital sign, including the following steps:
s1, calling the smoke sensing module 2 to detect smoke in the environment, and when the smoke sensing module 2 detects that smoke exists in the environment, sending an alarm signal to the microcontroller 1 by the smoke sensing module 2;
s2, calling the radar sensing module 3 to detect the human body micro-motion signal so as to judge whether personnel exist in the environment with smoke;
s3, calling the Internet of things module 4 to transmit the processing information of the microcontroller 1 to a cloud or a control center;
s4, calling the sound and light alarm prompt module 5 to give sound and light alarm prompt when smoke exists in the environment;
s41, when smoke exists in the environment and people exist, carrying out smoke alarm in a first acousto-optic prompt mode;
and S42, when the environment is detected to have only smoke and no people, carrying out smoke alarm in a second sound light prompting mode.
In the embodiment, the power supply module 6 is called to supply power to the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the internet of things module 4 and the sound-light alarm prompting module 5;
a voltage output pin of the power supply module 6 is electrically connected with power supply pins of the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the internet of things module 4 and the audible and visual alarm prompting module 5 respectively;
and a public end pin of the power module 6 is electrically connected with public end pins of the microcontroller 1, the smoke sensing module 2, the radar sensing module 3, the Internet of things module 4 and the audible and visual alarm prompting module 5 respectively.
In this embodiment, the transmitting pin of the radar sensing module 3 is electrically connected with the first receiving pin of the microcontroller 1, and the receiving pin of the radar sensing module 3 is electrically connected with the first transmitting pin of the microcontroller 1;
a transmitting pin of the internet of things module 4 is electrically connected with a second receiving pin of the microcontroller 1, and a receiving pin of the internet of things module 4 is electrically connected with a second transmitting pin of the microcontroller 1;
a digital quantity signal output pin of the smoke sensing module 2 is electrically connected with a first GPIO pin of the microcontroller 1;
the audible and visual alarm prompting module 5 is provided with a green light output pin, a red light output pin and a buzzing pin, and the green light output pin is electrically connected with a second GPIO pin of the microcontroller 1; the red light output pin is electrically connected with a third GPIO pin of the microcontroller 1; and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller 1.
When the smoke sensing module detects that smoke exists in the environment, the smoke sensing module sends an alarm signal to the microcontroller; the radar sensing module is used for judging whether personnel exist in the environment with smoke by using the human body micro-motion signal; the networking module is used for transmitting the processing information of the controller to a cloud or a control center; when smoke exists in the environment, the sound-light alarm prompting module carries out sound-light alarm prompting; when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode; when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode. For example, when smoke exists in the environment and people exist, a smoke alarm is given in a first acousto-optic prompting mode, for example, red light is flickered and a prompt buzzing sound is given to prompt rescuers to inform the presence of trapped people in a fire scene. When the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode. For example, flashing green light and prompting with gentle buzzing sound to inform rescue workers that no trapped person is in the fire scene, and emphasis can be placed on fire suppression. The invention can enable the rescue workers to know whether the trapped people exist in the fire search and rescue field at the first time, avoid missing the gold rescue time of the trapped people, more accurately find the search and rescue targets during search and rescue, and is beneficial to ensuring the life safety of the trapped people.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A smoke alarm device capable of sensing vital signs is characterized by comprising a microcontroller (1), a smoke sensing module (2), a radar sensing module (3), an Internet of things module (4) and a sound-light alarm prompt module (5);
the smoke sensing module (2) is electrically connected with the microcontroller (1), and when the smoke sensing module (2) detects that smoke exists in the environment, the smoke sensing module (2) sends an alarm signal to the microcontroller (1);
the radar sensing module (3) is electrically connected with the microcontroller (1), and the radar sensing module (3) is used for detecting a human body micro-motion signal to judge whether personnel exist in the environment with smoke;
the Internet of things module (4) is electrically connected with the microcontroller (1), and the Internet of things module (4) is used for transmitting the processing information of the microcontroller (1) to a cloud or a control center;
the acousto-optic alarm prompting module (5) is electrically connected with the microcontroller (1), and the acousto-optic alarm prompting module (5) is used for giving an acousto-optic alarm prompt when smoke exists in the environment;
when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode;
when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode.
2. The smoke alarm device capable of sensing vital signs according to claim 1, further comprising a power module (6), wherein the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the internet of things module (4), and the sound and light alarm module (5) are electrically connected to the power module (6), and the power module (6) is configured to supply power to the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the internet of things module (4), and the sound and light alarm module (5).
3. The smoke alarm device capable of sensing vital signs according to claim 2, wherein a voltage output pin of the power supply module (6) is electrically connected with a power supply pin of the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the internet of things module (4) and the audible and visual alarm prompting module (5) respectively;
and a public end pin of the power module (6) is electrically connected with a public end pin of the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the Internet of things module (4) and the sound-light alarm prompt module (5) respectively.
4. The smoke alarm device capable of sensing vital signs according to claim 1, wherein a transmitting pin of the radar sensing module (3) is electrically connected with a first receiving pin of the microcontroller (1), and a receiving pin of the radar sensing module (3) is electrically connected with a first transmitting pin of the microcontroller (1).
5. The smoke alarm device capable of sensing vital signs according to claim 1, wherein the transmission pin of the IOT module (4) is electrically connected to the second receiving pin of the microcontroller (1), and the receiving pin of the IOT module (4) is electrically connected to the second transmission pin of the microcontroller (1).
6. The smoke alarm device capable of sensing vital signs according to claim 1, wherein a digital quantity signal output pin of the smoke sensing module (2) is electrically connected with a first GPIO pin of the microcontroller (1).
7. The smoke alarm device capable of sensing vital signs according to claim 1, wherein the audible and visual alarm prompting module (5) has a green light output pin, a red light output pin and a buzzer pin, and the green light output pin is electrically connected with the second GPIO pin of the microcontroller (1); the red light output pin is electrically connected with a third GPIO pin of the microcontroller (1); and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller (1).
8. A smoke alarm method capable of sensing vital signs, comprising the steps of:
the smoke sensing module (2) is called to detect smoke in the environment, and when the smoke sensing module (2) detects that smoke exists in the environment, the smoke sensing module (2) sends an alarm signal to the microcontroller (1);
calling a radar sensing module (3) to detect a human body micro-motion signal so as to judge whether personnel exist in the environment with smoke;
calling an internet of things module (4) to transmit processing information of the microcontroller (1) to a cloud or a control center;
calling an audible and visual alarm prompting module (5) to prompt audible and visual alarm when smoke exists in the environment;
when smoke exists in the environment and people exist in the environment, smoke alarm is carried out in a first acousto-optic prompt mode;
when the fact that only smoke exists in the environment and no people exist is detected, smoke alarm is carried out in a second acousto-optic prompting mode.
9. The smoke alarm method capable of sensing vital signs according to claim 8, wherein a power module (6) is invoked to supply power to the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the internet of things module (4) and the sound-light alarm prompting module (5);
a voltage output pin of the power supply module (6) is electrically connected with power supply pins of the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the Internet of things module (4) and the sound-light alarm prompting module (5) respectively;
and a public end pin of the power module (6) is electrically connected with a public end pin of the microcontroller (1), the smoke sensing module (2), the radar sensing module (3), the Internet of things module (4) and the sound-light alarm prompt module (5) respectively.
10. The smoke alarm method capable of sensing vital signs according to claim 8, wherein a transmitting pin of the radar sensing module (3) is electrically connected with a first receiving pin of the microcontroller (1), and a receiving pin of the radar sensing module (3) is electrically connected with a first transmitting pin of the microcontroller (1);
a transmitting pin of the Internet of things module (4) is electrically connected with a second receiving pin of the microcontroller (1), and a receiving pin of the Internet of things module (4) is electrically connected with a second transmitting pin of the microcontroller (1);
a digital quantity signal output pin of the smoke sensing module (2) is electrically connected with a first GPIO pin of the microcontroller (1);
the sound and light alarm prompting module (5) is provided with a green light output pin, a red light output pin and a buzzing pin, and the green light output pin is electrically connected with a second GPIO pin of the microcontroller (1); the red light output pin is electrically connected with a third GPIO pin of the microcontroller (1); and the buzzing pin is electrically connected with a fourth GPIO pin of the microcontroller (1).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115527343A (en) * | 2022-09-27 | 2022-12-27 | 深圳市森讯达电子技术有限公司 | Intelligent rescue system and method for emergency service suit |
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