CN114463920A - Remote fire composite detector and detection method - Google Patents

Remote fire composite detector and detection method Download PDF

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Publication number
CN114463920A
CN114463920A CN202210056229.1A CN202210056229A CN114463920A CN 114463920 A CN114463920 A CN 114463920A CN 202210056229 A CN202210056229 A CN 202210056229A CN 114463920 A CN114463920 A CN 114463920A
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CN
China
Prior art keywords
module
sensor
circuit board
pin
detector
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Pending
Application number
CN202210056229.1A
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Chinese (zh)
Inventor
刘全义
朱博
黄一览
韩冬
吴孟洋
邓力
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Civil Aviation Flight University of China
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Civil Aviation Flight University of China
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Priority to CN202210056229.1A priority Critical patent/CN114463920A/en
Publication of CN114463920A publication Critical patent/CN114463920A/en
Pending legal-status Critical Current

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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

The invention discloses a remote fire composite detector and a detection method, and the remote fire composite detector comprises a shell, a battery module, a sensor module and a circuit board, wherein the sensor module comprises a CO sensor, a particulate matter sensor and a TVOC gas sensor, the shell is divided into an upper layer, a middle layer and a lower layer, the battery module is arranged at the upper layer of the shell, the middle layer of the shell is provided with an LED module and the circuit board, and the lower layer of the shell is provided with the CO sensor, the particulate matter sensor, the TVOC gas sensor and a buzzer module. The environment abnormity alarm sent by the cloud server can be remotely monitored and acquired in real time, the three parameters of the PM value, the TVOC concentration and the CO concentration are used for monitoring, signals can be rapidly detected under the conditions that more CO is generated due to smoldering in the initial stage of a fire disaster, the smoke quantity generated by burning of partial materials is small, the possibility of suppressing and extinguishing the fire disaster is improved, and a large-capacity rechargeable battery is arranged in the detector, so that long-time cruising is realized and the environment is protected.

Description

Remote fire composite detector and detection method
Technical Field
The invention relates to the technical field of fire detectors, in particular to a remote fire composite detector and a detection method.
Background
Fire is one of the most common hazards threatening public safety. In the initial stage of a fire, the burning area is small when a flame just ignites, the flame height is low, and less smoke is generated at the moment, so people can hardly perceive the smoke. When the flame continues to burn and starts to spread to other furniture, the fire is getting bigger and bigger, the indoor temperature rises rapidly, and a large amount of smoke is generated, which causes serious harm to people. Therefore, in order to reduce the occurrence of fire and ensure the life and property safety of people, a fire detector is needed to monitor the environment in real time and alarm in time when abnormality is found.
At present, common fire detectors comprise a photoelectric smoke detector and an ionic smoke detector, a typical light smoke detector generates signals through light beams received by a photosensitive element on the detector to detect, and when smoke exists in air of a cargo compartment, smoke particles can scatter more light beams to the photosensitive element to alarm. The ionic smoke detector alarms by detecting the ionization in the air.
However, the detectors have the problem of single detection parameters, when the smoke yield is low in the initial combustion stage, smoke particles in the air are less, so that light beams scattered to a photosensitive element of the smoke detector are less, the ionization condition in the air is weaker, and therefore, the fire disaster is difficult to detect in the initial combustion stage, and the optimal time for fire extinguishment is missed. Meanwhile, the traditional fire detector gives an alarm through the sound of the buzzer, and if no person is in the field around the detector, the situation that the fire disaster happens at the position cannot be found. Therefore, a composite fire detector capable of realizing a rapid response to a fire alarm in a remote place is desired.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a remote fire composite detector and a detection method, which realize the quick response of fire alarm by monitoring three parameters of PM value, TVOC concentration and CO concentration, improve the possibility of suppressing and extinguishing fire and solve the problems mentioned in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a long-range conflagration composite detector, conflagration composite detector includes casing, battery module, sensor module and circuit board, sensor module includes CO sensor, particulate matter sensor and TVOC gas sensor, the casing divide into three-layer about the top and bottom, and battery module sets up on the casing upper strata, and the middle level of casing is provided with LED module and circuit board, and the casing lower floor is provided with CO sensor, particulate matter sensor, TVOC gas sensor and bee calling organ module.
Preferably, the battery module comprises an 8.4V power supply consisting of two lithium batteries and an electric quantity monitoring chip for detecting electric quantity.
Preferably, the outer surface of the lower layer of the shell is provided with a plurality of grid holes at equal intervals for gas to enter, so that the sensor module can conveniently monitor the gas.
Preferably, the circuit board is provided with an ESP8266 module and a power conversion circuit, the power conversion circuit comprises an AMS1117 voltage stabilization 5V chip and an AMS1117 voltage stabilization 3.3V chip, the positive electrode of the battery module is connected with the positive electrode of the circuit board, the negative electrode of the battery module is connected with the circuit board in a ground connection manner, the AMS1117 voltage stabilization 5V chip converts and outputs the positive electrode voltage of the circuit board to 5V, and the AMS1117 voltage stabilization 3.3V chip converts and outputs the 5V voltage to 3.3V, so that power supply of different elements is guaranteed.
Preferably, the ESP8266 module is welded on the circuit board, the positive electrode of the ESP8266 module is connected to the converted 3.3V, the ESP8266 module is connected to the circuit board ground, and the ESP8266 module comprises an analog pin a0, a GPIO pin D0, a GPIO pin D6, a GPIO pin D7, an SDA pin D2, an SCL pin D1, a serial port RX and a serial port TX.
Preferably, the CO sensor is welded on the circuit board and connected with the analog pin a 0; the particle sensor is fixed with the circuit board through the pin header, is powered by the converted 5V and is connected with the serial port RX; the TVOC gas sensor is welded on the circuit board and is connected with the SDA pin D2 and the SCL pin D1.
Preferably, the buzzer module is connected with a GPIO pin D7 through a signal line, and when an alarm occurs, the pin is set to a high level to drive the buzzer to sound.
Preferably, the LED module comprises red and green LED lamp beads, is connected with a GPIO pin D0 and a GPIO pin D6, and is used for displaying the electric quantity state of the battery module;
when the electric quantity of the battery module is normal, the GPIO pin D0 is set to be at a high level, and then a green light is turned on;
when the battery module is low in power, the GPIO pin D6 is set to a high level and the red light is on.
In addition, in order to achieve the purpose, the invention also provides the following technical scheme: a detection method of a remote fire composite detector, the detection method comprising:
acquiring a real-time environment signal through a sensor module;
transmitting the signals to an ESP8266 module, and when the acquired signals reach the preset threshold value of each sensor, controlling the buzzer module to perform early warning by the ESP8266 module and transmitting the signals to a cloud server;
the cloud server sends the detector related information with the alarm to a corresponding remote terminal for early warning;
a user sends a data monitoring request to the cloud server by controlling the remote terminal, and the cloud server forwards real-time data of the detector after receiving the request, so that remote monitoring is realized.
Preferably, the remote terminal is a mobile phone, a notebook or a tablet computer.
The invention has the beneficial effects that: according to the invention, the ESP8266 module is adopted to realize data uploading, and the detector MCU is used for receiving sensor signals, so that the use of extra elements is reduced, the power consumption is reduced, the cost is lower, the device is suitable for popularization, a user can remotely monitor and obtain an environment abnormity alarm sent by a cloud server in real time, the monitoring is carried out through three parameters of a PM value, TVOC concentration and CO concentration, the signals can be rapidly detected under the conditions of more CO generated by smoldering combustion in the initial stage of a fire, small smoke generated by combustion of partial materials and the like, the possibility of suppressing and extinguishing the fire is improved, and a large-capacity rechargeable battery is arranged in the detector, so that long-time cruising is realized and the environment is protected.
Drawings
FIG. 1 is a schematic view of a detector according to the present invention;
FIG. 2 is a schematic diagram of a circuit board structure;
in the figure, 1-shell, 2-LED module, 3-pin header, 4-grid hole, 5-CO sensor, 6-particle sensor, 7-TVOC gas sensor, 8-buzzer module, 9-circuit board, 10-battery module, 11-ESP8266 module, 12-analog pin A0, 13-GPIO pin D0, 14-GPIO pin D6, 15-GPIO pin D7, 16-ESP8266 module anode, 17-circuit board ground, 18-circuit board anode, 19-AMS1117 voltage stabilization 5V chip, 20-AMS1117 voltage stabilization 3.3V chip, 21-ESP8266 module ground, 22-SDA pin D2, 23-SCL pin D1, 24-AMS 1113638, 25-serial port TX.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 1-2, the present invention provides a technical solution: the utility model provides a long-range conflagration composite detector, specifically is a long-range conflagration composite detector based on ESP8266 chip, as shown in figure 1, this conflagration composite detector includes casing 1, LED module 2, arranges needle 3, grid hole 4, CO sensor 5, particulate matter sensor 6, TVOC gas sensor 7, buzzer module 8, circuit board 9 and battery module 10, the casing divide into upper, middle and lower three-layer, and battery module 10 is installed to the upper strata, and LED module 2 and circuit board 9 are installed to the middle level, and CO sensor 5 is installed to the lower floor, particulate matter sensor 6, TVOC gas sensor 7 and buzzer module 8, and lower floor's casing is opened has equidistant grid hole 4 for in the cavity at sensor place can be got into fast to the gas that awaits measuring, make things convenient for sensor module to monitor gas. The battery module 10 comprises an 8.4V power supply and an electric quantity monitoring chip LTC4150, wherein the 8.4V power supply comprises two 18650 lithium batteries, the battery is large in capacity and high in safety performance, the detector can be guaranteed to normally work for a long time, meanwhile, the battery can be circularly charged for one thousand times, and the battery module can be repeatedly used and is more environment-friendly.
LED module 2 contains red and green LED lamp pearl, and the LED module is connected with GPIO pin D013 and GPIO pin D614, and GPIO pin D013 establishes to green lamp this moment of high level and lights when battery module electric quantity is normal, and GPIO pin D614 establishes to red lamp this moment of high level and lights when battery module electric quantity is lower, plays the function of battery module state display.
The structure of the circuit board 9 is shown in fig. 2, a power conversion circuit is arranged on the circuit board, and specifically comprises an AMS1117 voltage-stabilizing 5V chip (19) and an AMS1117 voltage-stabilizing 3.3V chip (20), a positive electrode 18 of the circuit board is connected with a positive electrode of the battery module 10, a circuit board ground 17 is connected with a negative electrode of the battery module 10, the AMS1117 voltage-stabilizing 5V chip 19 converts the voltage of the positive electrode 18 of the circuit board into 5V, the AMS1117 voltage-stabilizing 3.3V chip 20 converts the voltage of the positive electrode into 3.3V, and normal power supply of different sensors and elements is guaranteed.
The ESP8266 module 11 soldered on the circuit board 9 is ESP12F, the positive electrode 16 of the ESP8266 module is switched to 3.3V, the ESP8266 module ground 21 is connected to the circuit board 17 ground, and the analog pin a 012, the GPIO pin D013, the GPIO pin D614, the GPIO pin D715, the SDA pin D222, the SCL pin D123, the serial port RX24 and the serial port TX 25 are led out.
The CO sensor 5 is TGS5141, is welded on the circuit board 9, is connected with the analog pin A012, and sends detection data to the analog pin A012.
The particle sensor 6 is a PMS7003, is fixed with the circuit board 9 through the pin header 3, is powered by converted 5V, is connected with the serial port RX24, and sends detection data to the serial port RX 24.
The TVOC gas sensor 7 is an SGP30, is soldered on the circuit board 9, is connected to the SDA pin D222 and the SCL pin D123, and sends detection data to the SDA pin D222 and the SCL pin D123.
The buzzer module 8 is connected with a GPIO pin D715 through a signal line, and when an alarm occurs, the pin is set to be at a high level to drive the buzzer to sound.
The TVOC gas sensor measures the TVOC concentration in the air and communicates with an ESP8266 module through I2C; the CO sensor measures the concentration of CO in the air, and an analog signal generated by the CO sensor is transmitted through an AD conversion pin on an ESP8266 module; the buzzer module is welded on the circuit board, and the signal line is connected with the ESP8266 module.
The LED module 2 is welded on the circuit board, the cathode of the LED module is connected with the GND end of the circuit board, and the anode of the LED module is connected with GPIO ports (GPIO pin D013 and GPIO pin D614) of the ESP8266 module; the ESP8266 module is welded on the circuit board, is powered by a 3.3V power supply processed by the power conversion circuit, pins of the ESP8266 module are led out from the circuit board to be connected with other modules, and the ESP8266 module uploads data to the cloud server through accessing a wireless network and then distributes the data to each remote terminal to give an alarm.
A detection method of a remote fire composite detector based on an ESP8266 chip comprises the following steps: through CO sensor 5, particulate matter sensor 6, TVOC gas sensor 7 gathers the surrounding environment state, and give ESP8266 module 11 with signal transmission, when the sensor detection parameter great change appears (reach each sensor preset's threshold value), ESP8266 module 11 control buzzer module 8 reports to the police, and give signal transmission to the cloud ware, the cloud ware is with the relevant information transmission of the detector that reports to the police appearing for corresponding remote terminal again, recheck, the user also can send the data monitoring request like the cloud ware through remote terminal, the cloud ware forwards detector real-time data after receiving the request, realize remote monitoring function. When the electric quantity of the detector is low, an alarm that the electric quantity is low is sent to the remote terminal through the cloud server, and a user is informed to replace the battery in time.
The remote terminal can be a mobile phone, a notebook computer or a tablet computer.
According to the invention, the ESP8266 module is adopted to realize data uploading, and the detector MCU is used for receiving sensor signals, so that the use of extra elements is reduced, the power consumption is reduced, the cost is lower, the device is suitable for popularization, a user can remotely monitor and obtain an environment abnormity alarm sent by a cloud server in real time, the monitoring is carried out through three parameters of a PM value, TVOC concentration and CO concentration, the signals can be rapidly detected under the conditions of more CO generated by smoldering combustion in the initial stage of a fire, small smoke generated by combustion of partial materials and the like, the possibility of suppressing and extinguishing the fire is improved, and a large-capacity rechargeable battery is arranged in the detector, so that long-time cruising is realized and the environment is protected.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a long-range compound detector of conflagration, its characterized in that, compound detector of conflagration includes casing (1), battery module (10), sensor module and circuit board (9), sensor module includes CO sensor (5), particulate matter sensor (6) and TVOC gas sensor (7), casing (1) is divided into upper, middle and lower three-layer, and battery module (10) set up on the casing upper strata, and the middle level of casing is provided with LED module (2) and circuit board (9), and the casing lower floor is provided with CO sensor (5), particulate matter sensor (6), TVOC gas sensor (7) and bee calling organ module (8).
2. The remote composite fire detector of claim 1, wherein: the battery module (10) comprises an 8.4V power supply consisting of two lithium batteries and an electric quantity monitoring chip for detecting electric quantity.
3. The remote composite fire detector of claim 1, wherein: the outer surface of the lower layer of the shell is provided with a plurality of grid holes (4) at equal intervals for gas to enter, so that the sensor module can monitor the gas conveniently.
4. The remote composite fire detector of claim 1, wherein: the circuit board 9 on be provided with ESP8266 module (11) and power conversion circuit, power conversion circuit includes AMS1117 steady voltage 5V chip (19) and AMS1117 steady voltage 3.3V chip (20), battery module's positive pole and circuit board positive pole (18) are connected, battery module's negative pole and circuit board ground connection (17) are connected, AMS1117 steady voltage 5V chip (19) are with circuit board positive pole (18) voltage conversion output for 5V, AMS1117 steady voltage 3.3V chip (20) are with 5V voltage conversion output for 3.3V to ensure the power supply of different components.
5. The remote composite fire detector of claim 4, wherein: the ESP8266 module (11) is welded on the circuit board, the positive electrode (16) of the ESP8266 module is connected to the converted 3.3V, the ESP8266 module is connected with the circuit board ground (17), and the ESP8266 module comprises an analog pin A0(12), a GPIO pin D0(13), a GPIO pin D6(14), a GPIO pin D7(15), an SDA pin D2(22), an SCL pin D1(23), a serial port RX (24) and a serial port TX (25).
6. The remote composite fire detector of claim 1, wherein: the CO sensor (5) is welded on the circuit board (9) and is connected with the analog pin A0 (12); the particle sensor (6) is fixed with the circuit board through the pin header (3), is powered by the converted 5V and is connected with the serial port RX (24); the TVOC gas sensor (7) is welded on the circuit board and is connected with the SDA pin D2(22) and the SCL pin D1 (23).
7. The remote composite fire detector of claim 1, wherein: the buzzer module (8) is connected with a GPIO pin D7(15) through a signal line, and when an alarm occurs, the pin is set to be at a high level to drive the buzzer to sound.
8. The remote composite fire detector of claim 1, wherein: the LED module (2) comprises red and green LED lamp beads, the LED module is connected with a GPIO pin D0(13) and a GPIO pin D6(14), and the LED module is used for displaying the electric quantity state of the battery module;
when the electric quantity of the battery module is normal, the GPIO pin D0 is set to be at a high level, and then a green light is turned on;
when the battery module is low in power, the GPIO pin D6 is set to a high level and the red light is on.
9. A method of detecting a remote fire composite detector according to any one of claims 1 to 8, characterised in that the method of detecting comprises:
acquiring a real-time environment signal through a sensor module;
transmitting the signals to an ESP8266 module, and when the acquired signals reach the preset threshold value of each sensor, controlling the buzzer module to perform early warning by the ESP8266 module and transmitting the signals to a cloud server;
the cloud server sends the detector related information with the alarm to a corresponding remote terminal for early warning;
a user sends a data monitoring request to the cloud server by controlling the remote terminal, and the cloud server forwards real-time data of the detector after receiving the request, so that remote monitoring is realized.
10. The detection method according to claim 9, characterized in that: the remote terminal is a mobile phone, a notebook or a tablet computer.
CN202210056229.1A 2022-01-18 2022-01-18 Remote fire composite detector and detection method Pending CN114463920A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210056229.1A CN114463920A (en) 2022-01-18 2022-01-18 Remote fire composite detector and detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210056229.1A CN114463920A (en) 2022-01-18 2022-01-18 Remote fire composite detector and detection method

Publications (1)

Publication Number Publication Date
CN114463920A true CN114463920A (en) 2022-05-10

Family

ID=81410515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210056229.1A Pending CN114463920A (en) 2022-01-18 2022-01-18 Remote fire composite detector and detection method

Country Status (1)

Country Link
CN (1) CN114463920A (en)

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