CN107085909A - A kind of aerosol gases alarm and warning system - Google Patents

A kind of aerosol gases alarm and warning system Download PDF

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Publication number
CN107085909A
CN107085909A CN201710346476.4A CN201710346476A CN107085909A CN 107085909 A CN107085909 A CN 107085909A CN 201710346476 A CN201710346476 A CN 201710346476A CN 107085909 A CN107085909 A CN 107085909A
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CN
China
Prior art keywords
mcu
wireless communication
input
alarm
aerosol gases
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710346476.4A
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Chinese (zh)
Inventor
吕冬梅
葛祥军
王在华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Cloud Era Information Technology Co Ltd
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Qingdao Cloud Era Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Cloud Era Information Technology Co Ltd filed Critical Qingdao Cloud Era Information Technology Co Ltd
Priority to CN201710346476.4A priority Critical patent/CN107085909A/en
Publication of CN107085909A publication Critical patent/CN107085909A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm 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
    • G08B25/10Alarm 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 wireless transmission systems

Abstract

The embodiment of the present application provides a kind of aerosol gases alarm and warning system, to solve the cabling of aerosol gases alarm presence of the prior art and safeguard the problem of being more difficult.A kind of aerosol gases alarm, including:Micro-control unit MCU, sensor, switch, loudspeaker and arrowband Internet of Things NB IoT wireless communication modules, the input/output terminal of the sensor and MCU bus port are connected;The output end of switch and MCU the first general input/output port are connected;The input of the loudspeaker is connected with the second general input/output port of the MCU;The Serial Peripheral Interface (SPI) connection of the Serial Peripheral Interface (SPI) and the MCU of NB IoT wireless communication modules.Due to having used NB IoT wireless communication modules, the cabling mode of general aerosol gases alarm is changed to wireless communication module, subsequently radio communication can be carried out by wireless communication module and host computer, has effectively evaded cabling and has safeguarded the problem of being difficult.

Description

A kind of aerosol gases alarm and warning system
Technical field
The application is related to communication and electronic technology field, more particularly to a kind of aerosol gases alarm and warning system.
Background technology
The frequency more and more higher occurred with modern society's fire, with the increase of gas and power consumption, fire and poisoning. The incident of leakage of fire or toxic gas is once occur, it is easy to occur putting out a fire to save life and property the measure of grade not in time, fire distinguisher shortage and People from field is panic, the unfavorable factor such as slow of escaping, and ultimately results in great life and property loss.Aerosol gases alarm is a kind of Electronic product for detecting smog and/or gas, once occurring fire hazard, its internal loudspeaker will watchful people in time .
As shown in figure 1, it is the hardware block diagram of existing aerosol gases alarm, including:Micro-control unit (MicrocontrollerUnit, MCU), the sensor being connected respectively with MCU, switch key, reset key, loudspeaker, cabling connect Mouth and light emitting diode (LightEmittingDiode, LED), wherein, sensor can be that gas sensor and/or smog are passed Sensor, switch key realizes the power on/off function of aerosol gases alarm, and reset key realizes external forced reset function.
The main operational principle of above-mentioned aerosol gases alarm is:When sensor, which detects external environment, occurs abnormal, Alarm signal is produced, and the alarm signal is passed into MCU.Now, MCU can be according to algorithm drives loudspeaker and LED, while MCU Host computer is uploaded to by walking line interface by alarm signal.
However, current general aerosol gases alarm is the mode using wiring, there is cabling and safeguard more not Easily the problem of.
The content of the invention
The embodiment of the present application provides a kind of aerosol gases alarm and warning system, to the aerosol gases alarm solved The cabling machine of presence safeguards the problem of being more difficult.
In a first aspect, a kind of aerosol gases alarm, micro-control unit MCU, sensor, switch, loudspeaker and protenchyma Networking NB-IoT wireless communication modules, wherein, the sensor is gas sensor and/or Smoke Sensor, the sensor Including:Input/output terminal, the switch includes:Output end, the loudspeaker includes input, the NB-IoT radio communications Module includes:Serial Peripheral Interface (SPI), the MCU includes:It is bus port, the first general input/output port, second general defeated Enter/output port and Serial Peripheral Interface (SPI);
The input/output terminal of the sensor is connected with the bus port of the MCU;
The output end of the switch is connected with the first general input/output port of the MCU;
The input of the loudspeaker is connected with the second general input/output port of the MCU;
The Serial Peripheral Interface (SPI) connection of the Serial Peripheral Interface (SPI) and the MCU of the NB-IoT wireless communication modules.
By the scheme of the application first aspect, due to having used NB-IoT wireless communication modules, and NB-IoT is wireless The Serial Peripheral Interface (SPI) of communication module is connected with MCU Serial Peripheral Interface (SPI), realizes general aerosol gases alarm Cabling mode is changed to NB-IoT wireless communication modules, can subsequently be carried out by NB-IoT wireless communication modules and host computer wireless Communication, has effectively evaded cabling and has safeguarded the problem of being difficult.
In the first possible implementation of first aspect, the NB-IoT wireless communication modules also include reset terminal Mouthful, the MCU also includes:3rd general input/output port;The reseting port of the NB-IoT wireless communication modules with it is described MCU the 3rd general input/output port connection.
In the first possible implementation of above-mentioned first aspect, MCU can be general defeated by the 3rd as main equipment Enter/reseting port from output port to the NB-IoT wireless communication modules as slave unit input reset signal, can be achieved MCU pairs The reset of NB-IoT wireless communication modules.
In second of possible implementation of first aspect, the NB-IoT wireless communication modules also include general defeated Enter/output port;The MCU also includes:Reseting port;
The general input/output port of the NB-IoT wireless communication modules is connected with the reseting port of the MCU.
In second of possible implementation of above-mentioned first aspect, NB-IoT wireless communication modules can as main equipment Reset signal is inputted to the reseting port of the MCU as slave unit by the 3rd general input/output port, NB-IoT can be achieved Reset of the wireless communication module to MCU.
In the third possible implementation of first aspect, the aerosol gases alarm also includes:Including input The display screen at end;The MCU also includes:4th general input/output port;
The input of the display screen is connected with the 4th general input/output port.
In the third possible implementation of above-mentioned first aspect, the aerosol gases alarm also has display work( Can, the concentration information for showing gas or smog.
Second aspect, a kind of warning system, including:Host computer and at least one above-mentioned aerosol gases alarm.
By the scheme of the second aspect of the application, due to having used NB-IoT wireless communication modules, and by NB-IoT without Line communication module is connected with MCU module by MCU Serial Peripheral Interface (SPI), realizes walking general aerosol gases alarm Line mode is changed to NB-IoT wireless communication modules, can be communicated by NB-IoT wireless communication modules with host computer, effectively Cabling is evaded and has safeguarded the problem of being difficult in ground.
Brief description of the drawings
The schematic diagram for the existing aerosol gases alarm that Fig. 1 provides for the application background technology;
One of schematic diagram of aerosol gases alarm that Fig. 2 provides for the embodiment of the present application;
The two of the schematic diagram for the aerosol gases alarm that Fig. 3 provides for the embodiment of the present application;
The three of the schematic diagram for the aerosol gases alarm that Fig. 4 provides for the embodiment of the present application;
The operation principle of the aerosol gases alarm for the use LoRa wireless communication modules that Fig. 5 provides for the embodiment of the present application Schematic diagram;
The work of the aerosol gases alarm for the use NB-IoT wireless communication modules that Fig. 6 provides for the embodiment of the present application is former Manage schematic diagram;
The schematic diagram for the warning system that Fig. 7 provides for the embodiment of the present application.
Embodiment
The problem of wiring and maintenance in order to solve existing smoke alarm presence are difficult, the embodiment of the present application provides one Plant aerosol gases alarm and warning system.
The preferred embodiment of the application is illustrated below in conjunction with Figure of description, it will be appreciated that described herein Preferred embodiment is merely to illustrate and explained the application, is not used to limit the application.And in the case where not conflicting, this Shen Please in embodiment and the feature in embodiment can be mutually combined.
Embodiment one
As shown in Fig. 2 one of its schematic diagram of aerosol gases alarm provided for the embodiment of the present application, including: MCU21, sensor 22, switch 23, loudspeaker 24 and wireless communication module 25.
Wherein, the sensor is gas sensor and/or Smoke Sensor, and the sensor includes:Input/output End, the switch includes:Output end, the loudspeaker includes input, and the wireless communication module includes:Serial peripheral connects Mouthful, the MCU includes:Bus port, the first general input/output port, the second general input/output port and serial peripheral Interface (SerialPeripheralInterface, SPI);
The input/output terminal of the sensor is connected with the bus port of the MCU;
The output end of the switch is connected with the first general input/output port of the MCU;
The input of the loudspeaker is connected with the second general input/output port of the MCU;
The Serial Peripheral Interface (SPI) of the wireless communication module and the MCU Serial Peripheral Interface (SPI) connection.
Specifically, gas sensor is the detection for gas molecule, certain gas volume fraction can be changed into pair Answer the converter of electric signal.Contain small granule dust in smog, Smoke Sensor is the detection for molecule, can be with For photoelectric smoke sensor, ion type smog sensor or gas-sensitive smog sensor.
By the scheme of the embodiment of the present application, due to having used wireless communication module, and by the serial of wireless communication module Peripheral Interface is connected with MCU Serial Peripheral Interface (SPI), realizes and is changed to the cabling mode of general aerosol gases alarm Wireless communication module, subsequently can carry out radio communication by wireless communication module and host computer, effectively evade cabling and dimension The problem of shield is difficult.
Preferably, the wireless communication module be remote (LongRange, abbreviation LoRa) wireless communication module and/or Arrowband Internet of Things (NarrowBandInternetofThings, NB-IoT) wireless communication module.
Now, the schematic diagram using the aerosol gases alarm of LoRa wireless communication modules is as shown in Figure 3;Using NB-IoT The schematic diagram of the aerosol gases alarm of wireless communication module is as shown in Figure 4.
In above-mentioned preferably embodiment, using LoRa wireless communication modules when, due to LoRa technologies high-performance, At a distance, the characteristics of prominent in terms of low-power consumption, ranging and positioning, therefore, LoRa wireless communication modules are used so that the application Farther out, and antijamming capability is stronger in communication process, Jin Erti for the wireless communication distance of aerosol gases alarm in embodiment The high accuracy and the real-time of communication of warning message.
In above-mentioned preferably embodiment, when using NB-IoT wireless communication modules, extensively covered because NB-IoT possesses Lid, ability, more low-power consumption and the lower module cost four characteristicses of support magnanimity connection, wherein for wide covering, it will thus provide Improved in-door covering, under same frequency range, NB-IoT expands 100 times than existing network gain 20dB, area coverage;Pin To the ability of support magnanimity connection, mono- sector of NB-IoT can support 100,000 connections, support low latency sensitivity, ultralow The network architecture of equipment cost, low equipment power dissipation and optimization;For more low-power consumption, the stand-by time of NB-IoT terminal modules can be grown Up to 10 years;For lower module cost, single successive module expected from enterprise is no more than 5 dollars, therefore, can improve alarm signal The accuracy of breath and the real-time of communication, reduce the cost of aerosol gases alarm.
Below so that aerosol gases alarm uses LoRa wireless communication modules as an example, the cigarette provided with reference to Fig. 5 the application The course of work of mist gas alarm is illustrated.
After the system installation of the aerosol gases alarm for using LoRa wireless communication modules and host computer is included, At the T1 moment, sensor normal boot-strap is ensured by " starting key ";The T2 moment, when sensor has detected abnormal conditions generation, Trigger MCU and carry out relevant action;At the T3 moment, after MCU is triggered by a sensor, says the word to LORA modules and while trigger loudspeaker With display screen alarm;T4 moment, LoRa sends out warning message to host computer.
Next, so that aerosol gases alarm uses NB-IoT wireless communication modules as an example, being provided with reference to Fig. 6 the application The course of work of aerosol gases alarm illustrate.
When the system installation for including aerosol gases alarm and host computer using NB-IoT wireless communication modules Afterwards, the T1 moment, sensor normal boot-strap is ensured by " starting key ";The T2 moment, when sensor has detected abnormal conditions generation When, triggering MCU carries out relevant action;At the T3 moment, after MCU is triggered by a sensor, says the word and give NB-IoT wireless communication modules And triggering loudspeaker and display screen alarm simultaneously;T4 moment, NB-IoT wireless communication modules send out warning message to host computer.
Preferably, the wireless communication module also includes resetting (Rest) port, the MCU also includes:3rd is general defeated Enter/output port;The reseting port of the wireless communication module is connected with the 3rd general input/output port of the MCU.
The MCU is multiple under the preparatory conditions such as start, reset instruction to be sent to the wireless communication module The position wireless communication module.
In this preferably embodiment, because MCU is communicated with wireless communication module using SPI protocol, communication Two equipment in, a main equipment, one as slave unit, MCU can be by the 3rd universal input/defeated as main equipment here Exit port inputs reset signal to the reseting port of the wireless communication module as slave unit, and MCU can be achieved to radio communication mold The reset of block.
Preferably, the wireless communication module also includes general input/output port;The MCU also includes:Reset terminal Mouthful;
The general input/output port of the wireless communication module is connected with the reseting port of the MCU.
The wireless communication module, for the data format of the data from MCU received in detection, if detecting described Data format is unsatisfactory for preset data form, then exports reset signal by the general input/output port of wireless communication module Reset the MCU module.
In this preferably mode, wireless communication module can pass through the 3rd general input/output port as main equipment Reset signal is inputted to the reseting port of the MCU as slave unit, reset of the wireless communication module to MCU can be achieved.
By such scheme, by the switching of mode of operation between wireless communication module and MCU, aerosol gases report is realized The reset of self-inspection, MCU and the wireless communication unit of device is warned, the availability of aerosol gases alarm is improved.
Preferably, the aerosol gases alarm also includes:Display screen 27 including input;The MCU also includes:The Four general input/output ports;
The input of the display screen is connected with the 4th general input/output port.
In this preferably embodiment, the aerosol gases alarm also has display function, for showing gas Or the concentration information of smog.
Embodiment two
The embodiment of the present application two provides a kind of warning system, the schematic diagram of the system as shown in fig. 7, comprises:Host computer and Any of at least one above-described embodiment one aerosol gases alarm.
The host computer, for sending control instruction to the aerosol gases alarm, and receives aerosol gases alarm The alarm signal that device is sent;
The aerosol gases alarm, the control instruction for receiving and performing host computer transmission, and to described upper Machine sends alarm signal.
Above-mentioned control instruction, including indicate the instruction of the radio communication mold block reset MCU in aerosol gases alarm.This When, when wireless communication module is connected to the instruction for resetting MCU, reset coupled MCU.
By the scheme of the second aspect of the application, due to having used wireless communication module, and by wireless communication module with MCU module is connected by MCU Serial Peripheral Interface (SPI), is realized and is changed to the cabling mode of general aerosol gases alarm Wireless communication module, can be communicated by wireless communication module with host computer, effectively evaded cabling and safeguarded what is be difficult Problem.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present application It can be realized by hardware, the mode of necessary general hardware platform can also be added to realize by software.Understood based on such, The technical scheme of the embodiment of the present application can be embodied in the form of software product, the software product can be stored in one it is non- Volatile storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in, including some instructions are to cause a computer Method described in each embodiment of equipment (can be personal computer, server, or network equipment etc.) execution the application.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module or stream in accompanying drawing Journey is not necessarily implemented necessary to the application.
It will be appreciated by those skilled in the art that the module in embodiment in terminal can describe to be distributed according to embodiment In the terminal of embodiment, respective change can also be carried out and be disposed other than in one or more terminals of the present embodiment.It is above-mentioned The module of embodiment can be merged into a module, can also be further split into multiple submodule.
Above-mentioned the embodiment of the present application sequence number is for illustration only, and the quality of embodiment is not represented.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies Within, then the application is also intended to comprising including these changes and modification.

Claims (5)

1. a kind of aerosol gases alarm, it is characterised in that including:Micro-control unit MCU, sensor, switch, loudspeaker and narrow Band Internet of Things NB-IoT wireless communication modules, wherein, the sensor is gas sensor and/or Smoke Sensor, the biography Sensor includes:Input/output terminal, the switch includes:Output end, the loudspeaker includes input, and the NB-IoT is wireless Communication module includes:Serial Peripheral Interface (SPI), the MCU includes:It is bus port, the first general input/output port, second general Input/output end port and Serial Peripheral Interface (SPI);
The input/output terminal of the sensor is connected with the bus port of the MCU;
The output end of the switch is connected with the first general input/output port of the MCU;
The input of the loudspeaker is connected with the second general input/output port of the MCU;
The Serial Peripheral Interface (SPI) connection of the Serial Peripheral Interface (SPI) and the MCU of the NB-IoT wireless communication modules.
2. aerosol gases alarm as claimed in claim 1, it is characterised in that the NB-IoT wireless communication modules also include Reseting port, the MCU also includes:3rd general input/output port;
The reseting port of the NB-IoT wireless communication modules is connected with the 3rd general input/output port of the MCU.
3. aerosol gases alarm as claimed in claim 1 or 2, it is characterised in that the NB-IoT wireless communication modules are also Including general input/output port;The MCU also includes:Reseting port;
The general input/output port of the NB-IoT wireless communication modules is connected with the reseting port of the MCU.
4. aerosol gases alarm as claimed in claim 1 or 2, it is characterised in that the aerosol gases alarm also includes: Display screen including input;The MCU also includes:4th general input/output port;
The input of the display screen is connected with the 4th general input/output port.
5. a kind of warning system, it is characterised in that including any described smog of host computer and at least one Claims 1 to 4 Gas alarm;
The host computer, for sending control instruction to the aerosol gases alarm, and receives the aerosol gases alarm The alarm signal that device is sent;
The aerosol gases alarm, the control instruction for receiving and performing host computer transmission, and sent out to the host computer Send alarm signal.
CN201710346476.4A 2017-05-17 2017-05-17 A kind of aerosol gases alarm and warning system Pending CN107085909A (en)

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Application Number Priority Date Filing Date Title
CN201710346476.4A CN107085909A (en) 2017-05-17 2017-05-17 A kind of aerosol gases alarm and warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710346476.4A CN107085909A (en) 2017-05-17 2017-05-17 A kind of aerosol gases alarm and warning system

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Publication number Priority date Publication date Assignee Title
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CN108053627A (en) * 2017-11-23 2018-05-18 深圳市泰和安科技有限公司 A kind of fire alarm method, device and equipment
CN109523760A (en) * 2019-01-14 2019-03-26 上海瑞眼科技有限公司 A kind of intelligent fire alarm system and method based on cloud

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CN102646310A (en) * 2012-04-28 2012-08-22 武汉大学 Combined type wireless building fire alarm device
CN103886706A (en) * 2014-03-11 2014-06-25 赵剑毅 Fire alarm system based on STM32
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Application publication date: 20170822