CN213024720U - Photoelectric smoke-sensing fire detection alarm - Google Patents

Abstract

The utility model discloses a photoelectric smoke detection fire detection alarm, include the casing and install the photoelectric smoke detector main part in the casing, the photoelectric smoke detector main part includes processing module and photoelectric type smoke detection subassembly, processing module includes the singlechip and the storage module, audible-visual alarm module and the data transmission module who is connected with the singlechip, the data transmission module includes the GPRS module, processing module still is connected with power module, and power module is including adopting lithium cell power supply. The utility model discloses an increase GPRS module and realize alarm signal transmission to with the lithium cell cooperation, realize remote alarm under the outage condition, shortened alarm time for the fire rescue.

Description

Photoelectric smoke-sensing fire detection alarm

Technical Field

The utility model relates to a fire control field, concretely relates to photoelectric smoke detection fire detection alarm.

Background

The photoelectric smoke detector is a device for detecting fire by utilizing absorption and scattering effects of fire smoke on light, and in order to eliminate the interference of ambient light on a light receiving element, a receiving element and a transmitting element are installed in a small darkroom, the smoke in the darkroom can enter, but the light cannot enter, and the detection sensitivity is improved.

At present, most photoelectric smoke detectors transmit smoke alarm signals to a remote control center through wires, the transmission is only suitable for the conditions of electrification and network, if a fire disaster occurs during power failure, the alarm only can realize on-site alarm, alarm information cannot be sent out, fire fighting is not facilitated, time is prolonged, and loss is increased.

Disclosure of Invention

An object of the utility model is to provide a photoelectric smoke detection fire detection alarm, this alarm have increased lithium battery powered and GPRS signal transmission on current basis, can go out alarm signal transmission in the electroless time, in time inform the fire control.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a photoelectric smoke fire detection alarm, includes the casing and installs the photoelectric smoke detector main part in the casing, the photoelectric smoke detector main part is felt the subassembly including processing module and photoelectric type cigarette, processing module includes the singlechip and the storage module, audible-visual alarm module and the data transmission module of being connected with the singlechip, the data transmission module includes the GPRS module, processing module still is connected with power module, and power module is including adopting lithium cell power supply.

Furthermore, the power module comprises a lithium battery and a voltage stabilizing module, and the lithium battery, the voltage stabilizing module and the single chip microcomputer are sequentially connected.

The utility model discloses an increase GPRS module and realize alarm signal transmission to with the lithium cell cooperation, realize remote alarm under the outage condition, shortened alarm time for the fire rescue.

Drawings

Fig. 1 is an explosion diagram of the detector of the present invention.

Fig. 2 is a schematic structural diagram of the housing of the present invention.

Fig. 3 is a schematic structural diagram of the processing assembly of the present invention.

The labels in the figure are: 100. a base; 101. a slide rail; 200. a housing; 201. a top plate; 202. a smoke inlet; 211. a lithium battery mounting box; 230. an inner layer; 220. an outer layer; 300. a processing component; 301. a motor; 302. a photoelectric smoke sensing component; 303. a camera; 304. a heat sensitive component; 305. an audible and visual alarm.

Detailed Description

As shown in fig. 1 to fig. 3, in the photoelectric smoke detector alarm provided in this embodiment, not only can a fire alarm be realized, but also image information during fire can be obtained during power failure during fire, so that a fire fighter can know the actual situation of the fire.

As shown in fig. 1, the photoelectric smoke detector alarm comprises a base 100, a shell 200, a photoelectric smoke detector assembly 302, a processing assembly 300, a motor 301, a camera 303 assembly and a power supply assembly, wherein the base 100 and the shell 200 are both made of high-temperature-resistant materials, specifically, an outer layer 220PEEK material, and an inner layer 230 is made of a heat-insulating composite material; as shown in fig. 2, the shell 200 of the outer layer 220 of the PEEK material is high temperature resistant and non-deformable, and in order to improve the performance of the PPEK material, the PEEK material can be modified, and the modification mainly includes adding materials such as liquid crystal polymer, inorganic filler, metal powder and the like into the raw materials, so that the prepared shell 200 has excellent mechanical properties such as high impact resistance, bending resistance, tensile resistance and the like; the inner layer 230 is made of heat-insulating composite materials, particularly, materials with excellent heat-insulating performance such as resin or glass fiber and asbestos can be adopted, a normal-temperature bonding means is adopted, the production efficiency is guaranteed, the alarm can work under a fire disaster, the working time of the alarm during the fire disaster is prolonged, and powerful reference information is provided for rescue.

The base 100 is installed on a wall body through fixing pieces such as expansion screws, the middle part of the base 100 is provided with a micro motor 301, and a transmission shaft of the motor 301 is connected with the shell 200; circular slide rail 101 is installed to base 100 bottom, and the rail of slide rail 101 is to surpassing the outside to parallel with the wall body, install on the casing 200 and can be on slide rail 101 gliding pulley (not seen in the figure), rotate through motor 301 and drive the pulley and rotate on slide rail 101.

A top plate 201, a processing assembly 300 and a photoelectric smoke sensing assembly 302 are arranged in the shell 200, the top plate 201 is fixedly connected with the shell 200, and the middle part of the top plate is connected with an output shaft of a motor 301; the processing component 300 is positioned below the top plate 201 and above the photoelectric smoke sensing component 302, wherein the upper part refers to that the processing component 300 is closer to a wall after being installed, and a singlechip, a storage module, a power supply module and a data sending module are mounted on the processing component 300; as shown in fig. 3, the photoelectric smoke sensor assembly 302 includes a labyrinth and a photoelectric smoke sensor installed in the labyrinth, the photoelectric smoke sensor is a sensor commonly used in the prior art and generally includes a light source and a photosensitive element, light emitted by the light source is perpendicular to the photosensitive element, when there is no smoke, the photosensitive element cannot detect light, the light is detected by the photosensitive element through refraction of smoke particles to realize smoke detection, and then it is determined that a fire occurs; the light source and the photosensitive element are both connected with the single chip microcomputer, and the single chip microcomputer drives the alarm when the photosensitive element detects a fire.

The bottom of the shell 200 is designed to be in a boss shape, a plurality of smoke inlets 202 are formed in the boss shape, a camera 303 and a thermosensitive element are fixedly mounted on the outer side of the boss shape, the camera 303 and the thermosensitive element are connected with a single chip microcomputer, the thermosensitive element detects a heat source position when a fire disaster happens, the motor 301 is controlled to rotate, the camera 303 is rotated, then a first fire disaster site is obtained, even if a fire disaster source is obtained, the specific realization means that: the temperature is acquired by the thermosensitive element and compared with a set threshold value, the threshold value is generally normal temperature, after the acquired temperature is higher than the threshold value, the motor 301 rotates to acquire the temperature again and compare with the previous temperature until the position with the highest temperature is detected, the camera 303 is turned on, the camera 303 acquires image information of the direction, the fire scene condition, even the ignition source, can be obtained through the image information, and the camera 303 specifically adopts a miniature wide-angle camera 303; the firemen can analyze the field condition through the image information before entering the fire.

The data transmission module comprises a wired transmission module and a GPRS module in the prior art, the GPRS module is realized by adopting the existing GPRS communication technology, specifically, a GA6-B chip is adopted for realizing, and the data of the GPRS module is transmitted in a downlink manner: maximum 85.6kbps, data uplink transmission: the maximum of 42.8kbps, the fire alarm signal and the image information collected by the camera 303 can be sent to a remote monitoring center through a GPRS module to realize remote fire alarm.

The power module comprises a mains supply part and a lithium battery power supply part, the mains supply part adopts the power supply of the existing design, the lithium battery part comprises a lithium battery and a lithium battery connection voltage stabilizing module, the voltage stabilizing module is connected with the single chip microcomputer to achieve power supply, the lithium battery is installed on the top plate 201, and the lithium battery installation box 211 is arranged on the top plate 201.

The processing assembly 300 is realized by a circuit printed board, a single chip microcomputer, a storage module, a GPRS module and a voltage stabilizing module are further welded on the processing assembly, connecting circuits among the single chip microcomputer, the storage module, the GPRS module and the voltage stabilizing module are printed in the circuit board, the single chip microcomputer adopts an AT89C52 single chip microcomputer, the single chip microcomputer is connected with an audible and visual alarm module, a light source of the audible and visual alarm module is installed AT the bottom of a boss, and the sound source is transmitted out through a smoke inlet 202 and is spread outwards.

The storage module is connected with the single chip microcomputer and used for storing data collected by the camera 303 and the photoelectric smoke sensing component 302, and the storage module can be specifically realized by adopting conventional storage modules such as a memory, a flash memory and the like.

When the intelligent fire disaster monitoring system works, smoke is generated in a fire disaster, a plurality of particles exist in the smoke, the particles enter a labyrinth along with the transmission of the smoke, light in the labyrinth is refracted and is collected by a photosensitive element and sent to a single chip microcomputer, the single chip microcomputer sends an instruction to control a thermosensitive element and a camera 303 to work, the thermosensitive element detects the temperature and then sends the temperature to the single chip microcomputer, the single chip microcomputer controls a motor 301 to rotate, the thermosensitive element collects data again after rotating until a heat source is collected, the camera 303 is opened to obtain graphic information and send the graphic information to a remote monitoring center through a data transmission module, meanwhile, the single chip microcomputer controls an audible and visual alarm 305 to give an alarm after the photosensitive element detects the light, indoor personnel are informed of the fire disaster, the remote monitoring center sends the collected image information and fire disaster signals to a fire fighting end connected with the remote, and then equipped with corresponding personnel and facilities.

This embodiment can also send alarm signal and conflagration image information out through setting up lithium cell and GPRS module under the condition of the disconnected net that causes after the conflagration breaks out or cuts off the power supply.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims (2)

1. The utility model provides a photoelectric smoke fire detection alarm, includes casing (200) and installs the photoelectric smoke detector main part in casing (200), its characterized in that: the photoelectric smoke detector main body comprises a processing component (300) and a photoelectric smoke sensing component (302), wherein the processing component (300) comprises a single chip microcomputer, a storage module, an audible and visual alarm module (305) and a data transmission module, the storage module, the audible and visual alarm module and the data transmission module are connected with the single chip microcomputer, the data transmission module comprises a GPRS module, the processing component (300) is further connected with a power supply module, and the power supply module supplies power through a lithium battery.

2. The photoelectric smoke fire detection alarm device according to claim 1, wherein: the power module comprises a lithium battery and a voltage stabilizing module, and the lithium battery, the voltage stabilizing module and the single chip microcomputer are connected in sequence.

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