CN1255694A - Alarm and communication control system for fire accidents - Google Patents
Alarm and communication control system for fire accidents Download PDFInfo
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- CN1255694A CN1255694A CN 98113098 CN98113098A CN1255694A CN 1255694 A CN1255694 A CN 1255694A CN 98113098 CN98113098 CN 98113098 CN 98113098 A CN98113098 A CN 98113098A CN 1255694 A CN1255694 A CN 1255694A
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Abstract
An alarm communication control system for fire accident is composed of fire detectors, host including "8031" CPU, public telephone network and receives. The "8031" CPU sends call information in turn to bus via P1 port, according to the number of detectors and codes. Some receiver responds it after receiving the call information, and sends the acquired information to the CPU after A/D conversion. The collected alarm and failure signals are processed by host to trigger local sound-light alarm while alarm to command center via public telephone network. Said system has remote set-up function for convenient monitor and management.
Description
The present invention relates to a kind of communications control system of electricity field electricity mechanics of communication, particularly a kind of computer technology and telephone network of utilizing implemented the control system that fire signal is reported to the police automatically.
Fire is one of common disaster.Along with popularizing of phone, be the report a case to the security authorities function of private telephone and the purpose of setting up thereof of the fire alarm of warning number with 119; Understood deeply by people already.For event of fire is in time reported to the police to fire department, people have invented the technical scheme of multiple automatic warning, the ＂ automatic alarm communication system ＂ (number of patent application: be newer a kind of 96120930.5) of preventing fires.This patented claim then is the shortcoming of succouring evening at conventional fire, practical and convenient property in conjunction with computer technology and telecommunication transmission business, and the automatic alarm communication system of a kind of fire prevention that provides, so that made correctly, promptly mark, report a case to the security authorities in the place of actual breaking out of fire, make the timely enforcing remedies work of fire department and rescue unit.This system mainly comprise fire detector----mainly be according to existing be assembled in one indoor or be main appliance in order to the trusted device that detection of fires takes place; The controller----of reporting a case to the security authorities mainly is the alarm computer machine that is provided with in control center inside, is the control maincenter with the host computer, and is connected on each trusted device, and number mark respectively, and the setting of matching computer inside directly shows; The part of reporting a case to the security authorities----is circulated a notice of fire signal on the duty computer of fire brigade and is printed the condition of a disaster by the telecommunication transmission networking.This system mainly has the following disadvantages: one. and the detected signal of fire detector is directly reported a case to the security authorities to control center, and control center can't confirm whether fire alarm is true, does not also have monitoring means; Two. if communication line is tied up, then do not have the method for remedying, certainly will cause the generation of prolonging newspaper, failing to report situation; Three. whether the detecting device circuit is intact, and whether geocoding changes etc. and can't be controlled by control center, and effective monitoring can't be implemented to monitored object in the center.
The object of the present invention is to provide a kind of fire alarm system, warning that system will gather and fault-signal are handled through system host, trigger local sound and light alarm by sound light alarming circuit, and by robbing line circuit and double-tone encoding and decoding frequently transmission circuit, dial the police emergency number to the fire-fighting center, send warning message.
For achieving the above object, the technical solution used in the present invention is: alarm and communication control system for fire accidents, and it comprises fire detector, the alarm and communication control system main frame, public's local exchange network, warning receiver is characterized in that:
System host adopts the microprocessor control type, and main frame comprises central 8031cpu system, prober interface, communication interface, power circuit.Prober interface is mainly used in the collection of detector information, transmission that communication interface is used for information and reception from the order of 119 command centres.
Rewrite alarm call, subscriber phone, detector number and the coding that storage chip memory Local or Remote is provided with by electricity, information such as detector sensitivity, above-mentioned signal can give long-range setting and affirmation by command centre;
Cpu in turn sends call information by the P1 mouth to bus according to detector number and coding, certain detector is replied after receiving call information, and the information that the collects form with analog quantity sent on the bus, this analog quantity is sent into cpu by analog to digital conversion circuit again, cpu compares this analog quantity curve with the mathematical model that presets, when the combustion curve of itself and certain material matches, then trigger local sound and light alarm by sound light alarming circuit, and rob line circuit and double-tone encoding and decoding frequently transmission circuit by take-up, dial the police emergency number.
Design angle of the present invention is based on local network, and the user can as long as live net where in the city, can use native system according to the needs of oneself, the native system designs simplification is convenient to management, is easy to safeguard, system has made full use of current the most advanced computer technology, the communication technology, electronic technology.Microprocessor adopts 8031cpu system and memory under program 27C64 commonly used in the system host, and data memory 28C64 and expansion parallel port 82C55 when satisfying batch process, reduce cost greatly; The custom-designed long-range identification circuit that is provided with of system, powerful, comprehensive, demonstrated fully command centre to the user command, control action.
Description of drawings
Fig. 1 is the system host block diagram;
Fig. 2 is that circuit is realized block diagram;
Fig. 3 is the circuit theory synoptic diagram;
Fig. 4 is the software program flow chart of long-range setting.
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment
As seen from Figure 1, the present invention includes fire detector, alarm and communication control system main frame, public's local exchange network, warning receiver.System host adopts the microprocessor control type, main frame is by central 8031cpu system, prober interface, configuration such as communication interface and power circuit forms, this system holds under the situation of keeping based on nobody, the warning and the fault-signal that use are handled through system host (warning machine), and sent warning and failure message to FCC by local telephone network.Prober interface is mainly used in the collection of detector signal, transmission that communication interface is used for information and reception from the order of 119 command centres.
Rewrite the alarm call that storage chip memory Local or Remote is provided with, subscriber phone, detector number and coding, information such as detector sensitivity with an electricity in the native system.Wherein alarm call can be provided with three, and first phone priority is the highest, and the 3rd minimum.8031cpu in turn sends call information by the P1 mouth to bus according to detector number and coding, certain detector is replied after receiving call information, and the information that the collects form with analog quantity sent on the bus, this analog quantity converts digital signal to by analog to digital conversion circuit again, send into 8031cpu by data bus again, 8031cpu compares this analog quantity curve with the mathematical model that presets, if match with the combustion curve of certain material, then send control signal to sound light alarming circuit and trigger local sound and light alarm by control bus, and by control bus to take-up ruthless pre-emption and double-tone encoding and decoding frequently transmission circuit, send control signal and send warning message to the fire-fighting center through local telephone network.When dialing the police emergency number, dial first alarm call earlier, when not getting through for the first time, then dial after hanging up for the second time, same making call three times is not if also get through for the third time, then dial second alarm call, so circulation, until get through or hand-reset till.When constantly inquiring about detector, referring to Fig. 2, single-chip microcomputer is also constantly inquired about the telephone line states identification circuit, the local long-range state that identification circuit and fault identification circuit are set, so that enter the state of setting or carry out fault alarm in good time, fault identification circuit is by a voltage comparator, analog to digital conversion circuit and bus call state recognizer are realized, the telephone line states identification circuit is made up of telephone for special use chip and necessary logical circuit, and these circuit can be finished the identification of ring, off-hook, on-hook, break-make.
Shown in I portion circuit among Fig. 3, communications adopts SC8880 to take chip as the leading factor to carry out double-tone encoding and decoding frequently and send and receive, and can with the 8031cpu microprocessor direct interface in the system, the integrated level height, power consumption is little, cost is low.When system detects fire alarm, by the detector encoding and decoding, multipath conversion exploitation, processing of circuit such as mould/number conversion, enter 8031cpu, 8031cpu is sent to 14～17 pin of SC8880 with this signal, and the TDR through SC8880 inside controls row, column frequency divider able to programme, D/A transducer, synthetic DTMF sends signal, and by II portion circuit automatic off-hook among Fig. 3, dial the police emergency number, send warning message by local telephone to FCC.The dtmf signal that SC88880 also can come outside line transmission, the dialing tone through SC8880 inside suppresses, the separating belt pass filter, frequency discrimination with determine, be decoded into corresponding 4 bit code, transport to the data bus of 8031cpu through receive data register, finish being provided with or patrolling and examining.
III portion circuit among Fig. 3 is that line circuit is robbed in take-up, and the contact of relay J 2 is connected on the communication line of phone, and control signal drives the break-make of relay J 2.When detecting fire alarm, control signal drives relay J 2 and in time disconnects the subscriber phone that fast shut-off is being used, transmit information to command centre, when command centre is provided with or patrols and examines the warning machine, as phone during by user's misconnection, after warning machine and receiver send answer signal mutually by software systems, driving relay J 2 disconnects, cut off subscriber phone, carry out communication with command centre, after communication finishes, the closing of contact of J2 is recovered the subscriber phone operate as normal.
Control procedure in conjunction with Fig. 2,3 explanation fire alarm systems:
At first by probe detection to fire alarm transfer to the detector encoding and decoding through bus driver, reach 8031cpu through data bus, the control signal of sending 8031cpu triggers local sound and light alarm, and 8031cpu transmits control signal and reports to the police to the fire-fighting center by local network to double-tone encoding and decoding frequently through control bus simultaneously.
In conjunction with Fig. 2,3,4, sketch the process of long-range setting: command centre dials subscriber phone by local network and patrols and examines, entering long-range the setting through data bus discerns after the data bus line state recognition directly reaches signal double-tone encoding and decoding frequently, again signal is transported to 8031, refresh data such as original number, detector coding by 8031, until setting completed.
By software programming, realize long-range setting, increased the commander control action of command centre to the scene, the assurance system and can be provided with the center phone in command centre not only at the scene, and the Subscriber Unit phone allows and forbids that all or part of detector uses.
II portion is the line status testing circuit in Fig. 3, and this partial circuit can be finished the detection of ring, off-hook, on-hook, break-make.When receiver was provided with or patrols and examines the warning machine, during as the phone unmanned, by software, the warning machine is automatic off-hook after ring rang 7 times, and whether inquiry belongs to ＂ center ＂ is called out, as not being recovery telephone set operate as normal.
Claims (4)
1. alarm and communication control system for fire accidents, it comprises fire detector, the alarm and communication control system main frame, public's local exchange network, warning receiver is characterized in that:
System host adopts the microprocessor control type, main frame comprises central cpu system, prober interface, communication interface, power circuit, prober interface are mainly used in the collection of detector information, transmission that communication interface is used for information and reception from the order of 119 command centres.
Electricity is rewritten storage chip and is remembered information such as alarm call, subscriber phone, detector number and the coding of Local or Remote setting, detector sensitivity;
Cpu in turn sends call information by the P1 mouth to bus according to detector number and coding, certain detector is replied after receiving call information, and the information that the collects form with analog quantity sent on the bus, this analog quantity is sent into single-chip microcomputer by analog to digital conversion circuit again, cpu compares this analog quantity curve with the mathematical model that presets, if match with the combustion curve of certain material, trigger local sound and light alarm by sound light alarming circuit, and, dial the police emergency number by take-up ruthless pre-emption and double-tone encoding and decoding frequently transmission circuit.
2. alarm and communication control system for fire accidents according to claim 1 is characterized in that: single-chip microcomputer is constantly inquired about the telephone line states identification circuit, the local long-range state that identification circuit and fault identification circuit are set;
Fault identification circuit is by voltage comparator, and analog to digital conversion circuit and bus call state recognizer constitute;
The telephone line states identification circuit is made of telephone for special use chip and corresponding logical circuit, and they can finish the identification of ring, off-hook, on-hook, break-make.
3. alarm and communication control system for fire accidents according to claim 1, it is characterized in that: detector detects fire alarm by the detector encoding and decoding, through multicircuit switch, circuit such as mould/number conversion are sent into cpu, and cpu is sent to these data 14～17 pin of SC8880 again, TDR through SC8880 inside controls row, column frequency divider able to programme, the D/A transducer, synthetic DTMF sends signal, and robs the line circuit automatic off-hook by take-up and dial the police emergency number.
SC8880 receives the dtmf signal that the outside line transmission comes, and the dialing tone through SC8880 inside suppresses, the separating belt pass filter, frequency discrimination with determine, be decoded into corresponding 4 bit code, transport to the data bus of 8031cpu through receive data register, finish being provided with or patrolling and examining.
4. alarm and communication control system for fire accidents according to claim 1 is characterized in that: the contact of relay J 2 is connected on the communication line of phone, and control signal drives the break-make of relay J 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113098 CN1255694A (en) | 1998-11-26 | 1998-11-26 | Alarm and communication control system for fire accidents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98113098 CN1255694A (en) | 1998-11-26 | 1998-11-26 | Alarm and communication control system for fire accidents |
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| Publication Number | Publication Date |
|---|---|
| CN1255694A true CN1255694A (en) | 2000-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98113098 Pending CN1255694A (en) | 1998-11-26 | 1998-11-26 | Alarm and communication control system for fire accidents |
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| CN (1) | CN1255694A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342407C (en) * | 2001-08-23 | 2007-10-10 | Gsbs发展公司 | Fire detection system |
| CN100383825C (en) * | 2005-05-27 | 2008-04-23 | 上海大学 | Bus household intelligent alarm device |
| CN103585736A (en) * | 2013-11-01 | 2014-02-19 | 余正生 | Fire-control remote visible alarming and remote control fire extinguishing system |
| CN104048696A (en) * | 2013-03-15 | 2014-09-17 | 阿斯特里姆有限责任公司 | Detection device for detecting at least one fault condition |
| CN103585736B (en) * | 2013-11-01 | 2016-11-30 | 余正生 | Fire-fighting remote visible connects deals with emergencies and dangerous situations and remotely controls fire extinguishing system |
| CN110177183A (en) * | 2019-06-06 | 2019-08-27 | 四川赛科安全技术有限公司 | A kind of implementation method of fire telephone system |
-
1998
- 1998-11-26 CN CN 98113098 patent/CN1255694A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342407C (en) * | 2001-08-23 | 2007-10-10 | Gsbs发展公司 | Fire detection system |
| CN100383825C (en) * | 2005-05-27 | 2008-04-23 | 上海大学 | Bus household intelligent alarm device |
| CN104048696A (en) * | 2013-03-15 | 2014-09-17 | 阿斯特里姆有限责任公司 | Detection device for detecting at least one fault condition |
| CN103585736A (en) * | 2013-11-01 | 2014-02-19 | 余正生 | Fire-control remote visible alarming and remote control fire extinguishing system |
| CN103585736B (en) * | 2013-11-01 | 2016-11-30 | 余正生 | Fire-fighting remote visible connects deals with emergencies and dangerous situations and remotely controls fire extinguishing system |
| CN110177183A (en) * | 2019-06-06 | 2019-08-27 | 四川赛科安全技术有限公司 | A kind of implementation method of fire telephone system |
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