CN203405897U - Fire hazard alarm system for multilayer building - Google Patents

Abstract

The utility model discloses a fire hazard alarm system for a multilayer building. The fire hazard alarm system includes a plurality of fire hazard detection devices arranged throughout the building, a plurality of measurement amplifiers correspondingly connected with the fire hazard detection devices one by one, a multi-path switch, an A/D converter, a DSP, a single--chip microcomputer, a memory, a power amplifier, and a plurality of loudspeakers arranged throughout the building, wherein each fire hazard detection device includes a temperature sensor and a smog sensor which are respectively connected with the corresponding measurement amplifiers, each measurement amplifier is connected with the multipath switch, the multipath switch, the A/D converter, the DSP, the single--chip microcomputer, the memory, and the power amplifier are successively connected, the power amplifier is connected with each loudspeaker, and the single--chip microcomputer is respectively connected with the memory and the multipath switch. The fire hazard alarm system, through the reasonable configuration of the multipath switch, circularly monitors the detection points without any additional components, thereby greatly saving the cost.

Description

A kind of fire alarm system for high-rise blocks

Technical field

The utility model relates to a kind of fire alarm system for high-rise blocks.

Background technology

Along with socioeconomic develop rapidly, the quickening of urbanization process, number of times, the frequency that in building, fire occurs and the loss causing are constantly risen.Therefore, how within the shortest time, finding fire and controlled, making people's life, property loss reduce to minimum and seem particularly important, the fire alarm system of exploitation high performance-price ratio is also just more necessary.The fire alarm system that is generally used for building all passes through the detection to sensor condition of a fire information, then the data that detect are identified, and realizes the monitoring to each floor fire.Yet because check point is numerous, the condition of a fire information of collection is numerous, need classification to determine corresponding check point separately, need to increase corresponding parts, system is complicated, and greatly increase cost.

Summary of the invention

The purpose of this utility model is to overcome the defect of prior art and a kind of fire alarm system for high-rise blocks is provided, by reasonable disposition multi-way switch, cyclically each check point is monitored, do not need to increase extra parts, greatly saved cost.

The technical scheme that realizes above-mentioned purpose is:

A kind of fire alarm system for high-rise blocks, comprise the some measuring amplifiers, multi-way switch, the A/D(mould/number that are arranged in some fire detection devices everywhere of building, connect one to one with each fire detection device) converter, DSP(digital signal processor), single-chip microcomputer, storer, power amplifier and be arranged in building some loudspeakers everywhere, wherein:

Each fire detection device comprises temperature sensor and smoke transducer, and described temperature sensor is connected respectively corresponding measuring amplifier with smoke transducer;

Described each measuring amplifier connects described multi-way switch;

Described multi-way switch, A/D converter, DSP, single-chip microcomputer and power amplifier are connected successively;

Described power amplifier connects respectively described each loudspeaker;

Described single-chip microcomputer connects respectively described storer and multi-way switch.

The beneficial effects of the utility model are: the utility model is by reasonable disposition multi-way switch, use single-chip microcomputer to control, cyclically each check point is carried out collection and the monitoring of fire information, do not need to increase extra parts, do not increase the complexity of system, greatly saved cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of the fire alarm system for high-rise blocks of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Refer to Fig. 1, fire alarm system for high-rise blocks of the present utility model, some measuring amplifiers 2, multi-way switch 3, A/D converter 4, DSP5, single-chip microcomputer 6, storer 7, the power amplifier 8 that comprises some fire detection devices 1, connects one to one with each fire detection device 1 and be arranged in building some loudspeakers 9 everywhere, wherein:

Each fire detection device 1 is arranged in building and gathers condition of a fire information everywhere, each fire detection device 1 includes temperature sensor 11 and smoke transducer 12, and this temperature sensor 11 and smoke transducer 12 are connected with the measuring amplifier 2 to should fire detection device 1 respectively;

Each measuring amplifier 2 connects multi-way switch 3;

Multi-way switch 3, A/D converter 4, DSP5, single-chip microcomputer 6 and power amplifier 8 are connected successively;

Power amplifier 8 connects respectively each loudspeaker 9;

Single-chip microcomputer 6 is connected storage 7 and multi-way switch 3 respectively.

Principle of the present utility model:

Take single-chip microcomputer 6 as core, by controlling multi-way switch 3, cyclically open successively a road, make temperature signal and the smoke transducer 12 of temperature sensor 11 collections on this road gather smoke signals, after corresponding measuring amplifier 2 amplifies, through this way switch, reach A/D converter 4 and convert digital signal to, digital signal reaches single-chip microcomputer 6 via DSP5, single-chip microcomputer 6 is according to storer 7 canned datas, judge whether to need to report to the police, if needed, report to the police, single-chip microcomputer 6 is by the floor of breaking out of fire, room and fire size class carry out alarm by power amplifier 8 and each loudspeaker 9.

In the present embodiment, the model that measuring amplifier 2 is selected is AD521; The model that DSP5 selects is TMS320F2812; Single-chip microcomputer 6 is selected AT89C51 single-chip microcomputer.

Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.

Claims (1)

1. the fire alarm system for high-rise blocks, it is characterized in that, comprise some measuring amplifiers, multi-way switch, A/D converter, DSP, single-chip microcomputer, storer, the power amplifier that is arranged in some fire detection devices everywhere of building, connects one to one with each fire detection device and be arranged in building some loudspeakers everywhere, wherein:

Each fire detection device comprises temperature sensor and smoke transducer, and described temperature sensor is connected respectively corresponding measuring amplifier with smoke transducer;

Described each measuring amplifier connects described multi-way switch;

Described multi-way switch, A/D converter, DSP, single-chip microcomputer and power amplifier are connected successively;

Described power amplifier connects respectively described each loudspeaker;

Described single-chip microcomputer connects respectively described storer and multi-way switch.

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