CN105006093A - GSM-based wireless remote fire alarm system - Google Patents
GSM-based wireless remote fire alarm system Download PDFInfo
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- CN105006093A CN105006093A CN201510461176.1A CN201510461176A CN105006093A CN 105006093 A CN105006093 A CN 105006093A CN 201510461176 A CN201510461176 A CN 201510461176A CN 105006093 A CN105006093 A CN 105006093A
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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
- 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
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Abstract
The invention relates to a GSM-based wireless remote fire alarm system. The system is characterized in that the system has a fire alarm host and an independence wireless fire detection alarm; the fire alarm host body is provided with a single-chip MCU; the single-chip MCU is connected with a matrix button unit, a wireless receiving unit, an LCD display unit, a siren drive unit, an RS232 communication unit and a voltage stabilizing unit; the RS232 communication unit is connected with a GSM communication unit; the voltage stabilizing unit is connected with a rechargeable battery unit; the rechargeable battery unit is connected with a DC9V power supply unit; the communication unit is connected with a user terminal unit; an MCU unit is arranged in the independence wireless smoke fire detection alarm body; the MCU unit is connected with the siren drive unit, a DC-9V battery unit, a wireless transmitting unit and an A/D conversion unit; and the A/D conversion unit is connected with a smoke sensor unit.
Description
Technical field
The present invention relates to a kind of fire alarm system, be specifically related to a kind of wireless remote fire alarm system based on GSM, belong to panalarm technical field.
Background technology
When current modern office, inhabitation, storage general layout are closed day by day, when run into catch fire emergency condition time, completed by communication system in time and report to the police and prompting, ensure life, avoid and reduce property loss and just seem particularly necessary.Panalarm conventional at present has automatic fire alarm system, free-standing smoke sensitive fire hazard detection alarm, its automatic Fire Alarm System: primarily of compositions such as concentrated alarm controller, local alarm controller, audible-visual annunciator, fire detector, manual fire alarm call points, can find automatic (manually) condition of a fire and and alarm.Experience multiple-way system switching value formula, bus switching value formula and analog quantity conveying type fire alarm system three phases, be applicable to high level, tier building.Present stage, most automatic fire alarm control system ubiquity system complex, the problem that the construction period is long, installation cost is high; In addition keep in repair, safeguard the shortcomings such as loaded down with trivial details, make mounted building fire protection facility be in paralysis or semiparalysis state, can not normally play a role; Automatic fire alarm system isolates, it is wide to distribute, fault not easily finds, management maintenance difficulty; Supervision capacity is little, do not establish the shortcomings such as flexible networking interface, man-machine interface are simple, response speed is slow, poor reliability, rate of false alarm are high; Simultaneously in practical operation, because fire alarm information need through the process of operator on duty, artificial factor serves crucial effect; Stand alone type smoke sensitive fire hazard detection alarm: this detecting alarm be work alone, fire time send sound and light alarm signal, with the fire detecting and alarm device of warning personnel to flee from the scene of a fire.Though easy to use, have audio warning little, cannot remote alarms, monitoring inconvenience shortcoming.Only be suitable for building and the place of small-sized densely populated place, self can only report to the police, cannot network, the wide and fault of distributing not easily finds, management maintenance is difficult; When in protection zone nobody time breaking out of fire, alerting signal cannot be communicated to, and can not put out a fire to save life and property in time, cannot implement third party's monitoring management, does not still have relevant art product to solve such problem at present.Therefore, for problems of the prior art, a kind of new technical scheme of exigence solves above-mentioned technical matters.
Summary of the invention
The present invention is just for the technical matters existed in prior art, a kind of wireless remote fire alarm system based on GSM is provided, this technical scheme utilizes free-standing wireless smoke sense fire detection alarm, be equipped with fire alarm main frame and GSM communication module, when realizing fire alarm, remote interlocking is reported to the police: outdoor hummer blow a whistle warn, control point LCDs display fire alarm detail location simultaneously automatic poking make a phone call to send note and realize remote alarms.
In order to solve above-mentioned Problems existing, technical scheme disclosed by the invention is as follows: a kind of wireless remote fire alarm system based on GSM, it is characterized in that, described warning system comprises fire alarm main frame and free-standing wireless fire disaster detecting alarm, wherein fire alarm main frame comprises single-chip microprocessor MCU, matrix press-key unit, radio receiving unit, LCD display unit, siren driver element, RS232 communication unit, voltage regulation unit, described single-chip microprocessor MCU is connection matrix push-button unit respectively, radio receiving unit, LCD display unit, siren driver element, RS232 communication unit, voltage regulation unit, described RS232 communication unit connects GSM communication unit, described voltage regulation unit connects rechargeable battery cell, rechargeable battery cell connects DC9V power supply unit, described communication unit connects subscriber terminal unit, described free-standing wireless smoke sense fire detection alarm comprises MCU unit, siren driver element, DC9V battery unit, wireless transmitting unit, A/D converting unit, A/D converting unit and smoke transducer unit, described MCU unit connects siren driver element, DC9V battery unit, wireless transmitting unit, A/D converting unit respectively, and A/D converting unit connects smoke transducer unit.In this technical scheme, stand alone type wireless fire disaster detecting alarm is arranged in buildings, fire alarm main frame is arranged in entrance guard's duty room, when the breaking out of fire of monitored region, when stand alone type wireless fire disaster detecting alarm reaches a certain threshold value by the smog that smoke transducer probe unit detects monitored region, outwards wireless alarm signal is launched while alerting signal of self sounding, after fire alarm main frame receives alerting signal, main frame LCD display screen display alarm and fiery dot position information, and startup loudspeaker sends the fire alarm voice signal higher than 80dB immediately, fire alarm host computer control GSM communication unit is called to the user preset and sends the note of fiery dot position information simultaneously.
As a modification of the present invention, described communication module is TC35i.
As a modification of the present invention, described user terminal comprises at least one in user mobile phone, aerophone, fixed telephone terminal.
As a modification of the present invention, described free-standing wireless smoke sense fire detection alarm quantity is 1-255.
As a modification of the present invention, described wireless transmitter module coding chip is PT2272, and wireless transmitter module decoding chip is PT2262.
As a modification of the present invention, described A/D converting unit is A/D converter AD574A.
As a modification of the present invention, described smoke transducer unit is smoke transducer NIS-09.
As a modification of the present invention, described single-chip microprocessor MCU is STC89C52.
The method of work of MCU in warning system, step is as follows:
1) initialization, the function that each pin correspondence of definition MCU single-chip microcomputer realizes, namely each I/O purposes of MCU single-chip microcomputer is specified, single-chip microcomputer TX pin connects GSM communication module RX pin, and sets single-chip microcomputer all the select baud rate of 19200bps consistent with GSM communication module communication modes and carry out RS232 serial communication;
2) necessary user profile is stored, the prompt messages received desired by user when comprising user mobile phone number, user's landline telephone number, fire phone 119, alarm call 110, breaking out of fire, specifically refers to room number, the floor information of breaking out of fire;
3) carry out liquid crystal display initialization, after referring to the energising of whole module, run the necessary program of liquid crystal display, as the PORT COM between definition liquid crystal and MCU, communication modes etc.; Until display fire alarm initial position message, proceed to next step;
4) carry out communication initialization, specify the PORT COM between adopted MCU single-chip microcomputer and GSM communication module, communications protocol, and the setting such as PORT COM baud rate baud rate is to realize the normal communication of GSM communication module and single-chip microcomputer;
5) MCU single-chip microcomputer sends " ATD+ number " character called function and whether normally work to GSM communication unit module, can realize calling to called party, GSM communication module makes response, the response of if single-chip microcomputer receives " OK " character, then prove that GSM communication module is working properly and proceeds to next step; Otherwise from the next number call phone that trend presets, circulation is until MCU single-chip microcomputer receives the response of " OK " character, then proceeds to next step always;
6) forward transmission note subroutine to, send pre-set short message content by GSM communication module to pre-set Subscriber Number; Pre-set short message content specifically refer to store the position (room number) of likely breaking out of fire stores with the form of array, when facilitating breaking out of fire, MCU single-chip microcomputer calls in time to during GSM communication module transmission alert locations note;
7) forward change to be connected with MCU single-chip microcomputer 8 dataport data of radio receiving unit, and compare with 8 dataport data of wireless transmitting unit, if consistent MCU single-chip microcomputer, triggered interrupts enters Interrupt Subroutine automatically, perform step 5), step 6) and step 3) and control siren drive unit drives siren and send chimes of doom, otherwise exiting interruption and return execution step 1).
As a modification of the present invention, " ATD+ number " character in described step 5) is whether refer between test MCU single-chip microcomputer and GSM communication unit can the program of normal communication, wherein " ATD+ number " be in test procedure single-chip microcomputer to certain number call telephony feature instruction.
Relative to prior art, advantage of the present invention is as follows: 1) overall construction design of the present invention is ingenious, compact conformation, 2) this technical scheme adopts the fire alarm system that Radio Transmission Technology is set up, this warning system is made up of fire alarm main frame and free-standing wireless fire disaster detecting alarm, by wireless transmit form unit on free-standing wireless fire disaster detecting alarm, realize docking of free-standing wireless fire disaster detecting alarm and fire alarm main frame by wireless transmission method; This system collection fire alarm, monitor, be in communication in one, by GSM communication network, achieve remote alarms robotization; 3) this wireless remote fire alarm system construction simple and flexible, Installation and Debugging are convenient, and wireless module construction volume is little, greatly shortens construction period; 4) relatively independently between each module in this technical scheme wireless transmission is passed through, be conducive to maintaining and maintenance, reduce maintenance cost, there is simple to operate, simple installation, the feature 5 such as highly sensitive, safe and reliable) fire alarm main frame can receive the warning message of the process nearly vertical wireless fire disaster detecting alarm of 255 independence for Taiwan in this system, therefore the large cost of capacity is low, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the electric theory diagram of the fire alarm main process equipment of Fig. 1;
Fig. 3 is the electric theory diagram of the free-standing wireless fire disaster detecting alarm of Fig. 1;
Fig. 4 is that in Fig. 1, in fire alarm host machine, single-chip microprocessor MCU program runs block diagram;
Embodiment
In order to deepen, to understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the present invention further.
embodiment 1: see Fig. 1, Fig. 2, Fig. 3, a kind of wireless remote fire alarm system based on GSM, it comprises fire alarm main frame 1, stand alone type wireless fire disaster detecting alarm 2, wherein fire alarm main frame 1 comprises single-chip microprocessor MCU 2-1 and STC89C52, single-chip microprocessor MCU 2-1 and STC89C52 is connection matrix push-button unit 2-7 respectively, radio receiving unit 2-6 and PT2262 frequency 315M, LCD display unit 2-3 and SYB1602A, 74HC165, siren driver element 2-2, RS232 communication unit 2-5 and MAX232, voltage regulation unit 2-9 and LM2940-5.0, RS232 communication unit 2-5 and MAX232 connects GSM communication unit 2-4 and SIM900A, voltage regulation unit 2-9 and LM2940-5.0 connects rechargeable battery cell 2-10, rechargeable battery cell 2-10 connects DC-9V power supply unit 2-8, GSM communication unit 2-4 and SIM900A connects subscriber terminal unit 2-11, described user terminal comprises at least one in user mobile phone, aerophone, fixed telephone terminal.See Fig. 3, stand alone type wireless fire disaster detecting alarm 2 comprises MCU unit 3-1, MCU unit 3-1 and AT89S52 connects hummer 3-3, DC9V battery unit 3-4, wireless transmitting unit 3-2 and PT2272 frequency 315M, A/D converting unit 3-5 and AD574A respectively, and described A/D converting unit 3-5 and AD574A connects smoke transducer unit 3-6 and NIS-09.
principle of work:see Fig. 1-Fig. 4, free-standing wireless fire disaster detecting alarm 2, the parameter value that the smokescope signal collecting scene gives MCU unit 3-1 and setting through A/D converting unit 3-5 conversion is made comparisons
,when exceeding setting value, MCU unit 3-1 drives hummer 3-3 to send sound because of alerting signal
,the alerting signal that MCU unit 3-1 exports is launched to fire alarm main frame 1 through wireless transmitter module 3-2, alerting signal receives by the wireless receiving module 2-6 of fire alarm main frame 1 the single-chip microprocessor MCU 2-1 being fed to fire alarm main frame 1, single-chip microprocessor MCU 2-1 drives LCD display unit 2-3 display alarm positional information, siren driver element 2-2 drives alarm bell ring, the alert data that single-chip microprocessor MCU 2-1 exports is transferred to GSM communication module 2-4 through RS232 communication unit 2-5, GSM communication module 2-4 is to the some number call report alarm calls preset and send the note of fire location information.
The method of work of MCU in warning system, step is as follows:
1) initialization, the function that each pin correspondence of definition MCU single-chip microcomputer realizes, namely each I/O purposes of MCU single-chip microcomputer is specified, single-chip microcomputer TX pin connects GSM communication module RX pin, and sets single-chip microcomputer all the select baud rate of 19200bps consistent with GSM communication module communication modes and carry out RS232 serial communication;
2) necessary user profile is stored, the prompt messages received desired by user when comprising user mobile phone number, user's landline telephone number, fire phone 119, alarm call 110, breaking out of fire, specifically refers to room number, the floor information of breaking out of fire;
3) carry out liquid crystal display initialization, after referring to the energising of whole module, run the necessary program of liquid crystal display, as the PORT COM between definition liquid crystal and MCU, communication modes etc.Until display fire alarm initial position message, proceed to next step;
4) carry out communication initialization, specify the PORT COM between adopted MCU single-chip microcomputer and GSM communication module, communications protocol, and the setting such as PORT COM baud rate baud rate is to realize the normal communication of GSM communication module and single-chip microcomputer;
5) MCU single-chip microcomputer sends " ATD+ number " character called function and whether normally work to GSM communication unit module, can realize calling to called party, GSM communication module makes response, the response of if single-chip microcomputer receives " OK " character, then prove that GSM communication module is working properly and proceeds to next step; Otherwise from the next number call phone that trend presets, circulation is until MCU single-chip microcomputer receives the response of " OK " character, then proceeds to next step always; " ATD+ number " character in this step 5) is whether refer between test MCU single-chip microcomputer and GSM communication unit can the program of normal communication, wherein " ATD+ number " be in test procedure single-chip microcomputer to certain number call telephony feature instruction;
6) forward transmission note subroutine to, send pre-set short message content by GSM communication module to pre-set Subscriber Number; Pre-set short message content specifically refer to store the position (room number) of likely breaking out of fire stores with the form of array, when facilitating breaking out of fire, MCU single-chip microcomputer calls in time to during GSM communication module transmission alert locations note.
7) forward change to be connected with MCU single-chip microcomputer 8 dataport data of radio receiving unit (2-6), and compare with 8 dataport data of wireless transmitting unit (3-2), if consistent MCU single-chip microcomputer, triggered interrupts enters Interrupt Subroutine automatically, perform step 5), step 6) and step 3) and control siren driver element (2-2) and drive siren to send chimes of doom, otherwise exiting interruption and return execution step 1).
It should be noted that, above-described embodiment is only preferred embodiment of the present invention, be not used for limit protection scope of the present invention, the equivalent replacement that the basis of technique scheme is made or substitute, all belong to protection scope of the present invention.
Claims (10)
1. based on a wireless remote fire alarm system of GSM, it is characterized in that, described warning system comprises fire alarm main frame (1) and free-standing wireless fire disaster detecting alarm (2), and wherein fire alarm main frame (1) comprises single-chip microprocessor MCU (2-1), matrix press-key unit (2-7), radio receiving unit (2-6), LCD display unit (2-3), siren driver element (2-2), RS232 communication unit (2-5), voltage regulation unit (2-9), described single-chip microprocessor MCU (2-1) is connection matrix push-button unit (2-7) respectively, radio receiving unit (2-6), LCD display unit (2-3), siren driver element (2-2), RS232 communication unit (2-5), voltage regulation unit (2-9), described RS232 communication unit (2-5) connects GSM communication unit (2-4), described voltage regulation unit (2-9) connects rechargeable battery cell (2-10), rechargeable battery cell (2-10) connects DC9V power supply unit (2-8), and described communication unit (2-4) connects subscriber terminal unit (2-11), described free-standing wireless smoke sense fire detection alarm (2) comprises MCU unit (3-1), siren driver element (3-3), DC9V battery unit (3-4), wireless transmitting unit (3-2), A/D converting unit (3-5), A/D converting unit (3-5) and smoke transducer unit (3-6), described MCU unit (3-1) connects siren driver element (3-3), DC9V battery unit (3-4), wireless transmitting unit (3-2), A/D converting unit (3-5) respectively, and A/D converting unit (3-5) connects smoke transducer unit (3-6).
2. the wireless remote fire alarm system based on GSM according to claim 1, is characterized in that, described communication module is TC35i.
3. the wireless remote fire alarm system based on GSM according to claim 2, it is characterized in that, described user terminal comprises at least one in user mobile phone, aerophone, fixed telephone terminal.
4. the wireless remote fire alarm system based on GSM according to claim 3, is characterized in that, described free-standing wireless smoke sense fire detection alarm quantity is 1-255.
5. the wireless remote fire alarm system based on GSM according to claim 4, is characterized in that, described wireless transmitter module coding chip is PT2272, and wireless transmitter module decoding chip is PT2262.
6. the wireless remote fire alarm system based on GSM according to claim 4, is characterized in that, described A/D converting unit is A/D converter AD574A.
7. the wireless remote fire alarm system based on GSM according to claim 4, is characterized in that, described smoke transducer unit is smoke transducer NIS-09.
8. the wireless remote fire alarm system based on GSM according to claim 4, is characterized in that, described single-chip microprocessor MCU is STC89C52.
9. the method for work of MCU in warning system according to claim 1, step is as follows:
1) initialization, the function that each pin correspondence of definition MCU single-chip microcomputer realizes, namely each I/O purposes of MCU single-chip microcomputer is specified, single-chip microcomputer TX pin connects GSM communication module RX pin, and sets single-chip microcomputer all the select baud rate of 19200bps consistent with GSM communication module communication modes and carry out RS232 serial communication;
2) necessary user profile is stored, the prompt messages received desired by user when comprising user mobile phone number, user's landline telephone number, fire phone 119, alarm call 110, breaking out of fire, specifically refers to room number, the floor information of breaking out of fire;
3) carry out liquid crystal display initialization, until display fire alarm initial position message, proceed to next step;
4) carry out communication initialization, setting baud rate is to realize the normal communication of GSM communication module and single-chip microcomputer;
5) MCU single-chip microcomputer sends " ATD+ number " character called function and whether normally work to GSM communication unit module, can realize calling to called party, GSM communication module makes response, the response of if single-chip microcomputer receives " OK " character, then prove that GSM communication module is working properly and proceeds to next step; Otherwise from the next number call phone that trend presets, circulation is until MCU single-chip microcomputer receives the response of " OK " character, then proceeds to next step always;
6) forward transmission note subroutine to, send pre-set short message content by GSM communication module to pre-set Subscriber Number;
7) forward change to be connected with MCU single-chip microcomputer 8 dataport data of radio receiving unit (2-6), and compare with 8 dataport data of wireless transmitting unit (3-2), if consistent MCU single-chip microcomputer, triggered interrupts enters Interrupt Subroutine automatically, perform step 5), step 6) and step 3) and control siren driver element (2-2) and drive siren to send chimes of doom, otherwise exiting interruption and return execution step 1).
10. the method for work of MCU in warning system according to claim 9, it is characterized in that: " ATD+ number " character in described step 5) is whether refer between test MCU single-chip microcomputer and GSM communication unit can the program of normal communication, wherein " ATD+ number " be in test procedure single-chip microcomputer to certain number call telephony feature instruction.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105788158A (en) * | 2016-04-19 | 2016-07-20 | 北京清大燕园智慧消防技术研究院 | Intelligent and independent type fire alarming and monitoring system |
| CN106056828A (en) * | 2016-06-24 | 2016-10-26 | 刘志强 | Intelligent independent gas fire alarm and monitoring system |
| CN106600862A (en) * | 2017-02-22 | 2017-04-26 | 安徽大学 | Fire escape assistance method and system |
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