Free-standing fire alarm system based on power carrier
Technical field
The utility model relates to a kind of free-standing fire alarm system based on power carrier.
Background technology
Along with socioeconomic development and scientific and technical progress, fire is apparent for the mankind's harm.Therefore, it is effectively prevented and is monitored, the loss that fire is brought drops to the most important thing that minimum degree is the area researches such as current fire Prevention Technique, people develop various fire alarm installations for this reason, common are the fire alarm system based on cable network and wireless network, but these warning systems have construction cost high, be difficult to safeguard or poor reliability, the shortcoming such as be not suitable for using in rugged surroundings, therefore can widespread use.
Summary of the invention
The purpose of this utility model is to provide a kind of can effectively completing fire is carried out to the warning system of monitoring in real time.
In order to achieve the above object, the technical solution of the utility model has been to provide a kind of free-standing fire alarm system based on power carrier, comprise fire detecting arrangement, fire communication module, monitor service center and audio alert module, monitor service center and audio alert module are set up communication, fire detecting arrangement comprises the sensor that is distributed in each sensing point, each sensor is all connected with a single-chip microcomputer, it is characterized in that: fire communication module comprises a plurality of power carrier sending modules, each single-chip microcomputer is all connected with a power carrier sending module, each power carrier sending module all accesses 220V line of electric force with to monitor service central transmission fire alerting signal by supply socket.
Preferably, described monitor service center comprises power carrier receiver module, single-chip microcomputer and PC, this power carrier receiver module is connected with all described power carrier sending modules by described 220V line of electric force, and power carrier receiver module also connects single-chip microcomputer, and single-chip microcomputer is connected with PC.
Preferably, described audio alert module comprises short message alarm module and loudspeaker, and short message alarm module is connected with the single-chip microcomputer at described monitor service center.
The utility model adopts electric power carrier communication technology, power carrier is as the distinctive communication mode of electric system, the existing line of electric force of usining transmits fire alarm signal as carrier, maximum feature is not need again to set up network and daily servicing, as long as live wire, just can carry out data transmission, can not be subject to the wiring of cable network to affect the environmental impact with wireless network, realize on a large scale and covering.Therefore, the free-standing fire alarm system based on power carrier is compared with other fire alarm systems, not only multiple functional, with low cost, and system organization is flexible, and the region of needs monitoring is had to selectivity, be a kind of novel fire alarm system, there is quite wide prospect.
Accompanying drawing explanation
Fig. 1 is image-type fire monitoring system structural representation.
Embodiment
For the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, a set of fire alarm system bag fire detecting arrangement, fire communication module, monitor service center and fire alarm module based on power carrier that the utility model provides.
Fire detecting arrangement by organizing smoke transducer and single-chip microcomputer forms more, the smoke transducer of every group is monitored search coverage, when monitoring smog, to the single-chip microcomputer input fire signal between smoke transducer and power carrier sending module, single-chip microcomputer exports signal to power carrier sending module, power carrier sending module modulates signal by 220V line of electric force, after power carrier receiver module and PLC, be sent to the PC of Surveillance center, Surveillance center determines the position that fire occurs and starts warning device after receiving alerting signal, thereby reach the object of fire alarm.In order to reach wider fire detection coverage, one group of fire detecting arrangement and fire communication module are difficult to realize the warning function in whole region, can zones of different in a wider context install by many group sniffers, without networking again, as long as there is socket, just can introduce quickly and easily power line carrier, PLC, thereby cross monitoring regional, reaches the object that covers whole region.
Fire detecting arrangement is smoke transducer and single-chip microcomputer, and smoke transducer is MQ-2 gas sensor, is suitable for the detection of liquefied gas, butane, propane, methane, alcohol, hydrogen, smog etc., has low, the highly sensitive focus of cost; Single-chip microcomputer is STM88 position single-chip microcomputer advanced in performance, with low cost.
Fire communication module is power carrier sending module and 220V line of electric force, and power carrier sending module adopts the embedded power line carrier module of Ultra Low Cost PLC, adopts fuzzy algorithm, has antijamming capability strong, and communication distance is far away, the feature of plug and play.Because ammeter can produce decay and filtering to power carrier signal, all 220V line of electric force require as the line of electric force within the scope of same ammeter.
Monitor service center comprises single-chip microcomputer, power carrier receiver module and PC, mainly receives the fire alerting signal of transmitting on line of electric force and starts warning device.Single-chip microcomputer between power carrier receiver module and PC adopts STM8 single-chip microcomputer equally.PC is mainly used in monitoring the position of fire generation and starting fire alarm installation.
Fire alarm module is audio alert and GSM SMS alarm, once breaking out of fire, audio alert can onsite alarming, and short message sending terminal can send to field data the mobile terminal of appointment simultaneously, further increases work efficiency.
Below in conjunction with current, be recognized as a most practical and preferred embodiment and described the utility model.