CN209912106U

CN209912106U - Intelligent fire alarm

Info

Publication number: CN209912106U
Application number: CN201920257655.5U
Authority: CN
Inventors: 王建亮
Original assignee: Chengdu Guangwujie Science And Technology Co Ltd
Current assignee: Chengdu Guangwujie Science And Technology Co Ltd
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-01-07
Anticipated expiration: 2029-03-01

Abstract

The utility model discloses an intelligent fire alarm belongs to fire alarm technical field, including the alarm, the alarm comprises casing and top cap, the top of casing with be connected through a plurality of supporting legs between the top cap, the below installation gas sensor of top cap, the gas sensor bottom is stretched into casing installation fire detector, protection machanism is all installed to fire detector's inside both sides, the inside dry ice bucket that sets up of protection machanism. Install on corridor or indoor ceiling through the alarm, when the conflagration appearing, the inside gas sensor of alarm detects the flue gas, sends alarm sound through the speaker, and along with the intensity of a fire grow, when the flame sensor on the alarm detects flame appearing around the alarm, opens the solenoid valve through the driver, and at this moment, the inside compression dry ice of compression dry ice bucket sprays around the alarm through the nozzle, carries out the self preservation and protects, avoids the intensity of a fire too big damage alarm.

Description

Intelligent fire alarm

Technical Field

The utility model relates to a fire alarm technical field, in particular to conflagration intelligent alarm.

Background

With the increase of the modern household fire and the electricity consumption, the frequency of the household fire is higher and higher. Once a family fire happens, adverse factors such as untimely fire suppression, lack of fire extinguishing equipment, scare and misbehavior of bystanders, slow escape and the like easily occur, and finally, serious life and property loss is caused. The characteristics and fire prevention strategies of the family fire are discussed, and the fire alarm has practical significance for preventing the family fire and reducing the fire loss, so the fire alarm is an important tool for preventing the fire.

The existing fire alarm still has certain defects when in use, the traditional fire alarm is generally made of plastic materials, and when the fire alarm meets the conditions of sudden fire and large fire, the fire alarm is possibly burnt out by the large fire in time, so that loss is brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire intelligent alarm just in order to solve when above-mentioned fire alarm meets the great condition of intensity of a fire self does not have protect function and damages easily and the flue gas problem that sensitivity of detection becomes low when less and provide, have self-protect function, advantage that sensitivity of detection is high.

The utility model achieves the above purpose through the following technical proposal, and provides an intelligent fire alarm which comprises an alarm, the alarm consists of a casing and a top cover, the top of the casing is connected with the top cover through a plurality of supporting legs, a gas sensor is arranged below the top cover, the bottom end of the gas sensor extends into the machine shell to be provided with a fire detector, protection mechanisms are respectively arranged at two sides of the interior of the fire detector, a compressed dry ice bucket is arranged in each protection mechanism, the top end of the compressed dry ice bucket is provided with a nozzle which is controlled by an electromagnetic valve, the top surface of the machine shell is provided with a flame sensor and a loudspeaker, the fire detector is internally provided with a single chip microcomputer, the gas sensor, the flame sensor and the loudspeaker are electrically connected with the single chip microcomputer, and the flame sensor controls the electromagnetic valve through a driver.

Preferably, the inside of top cap sets up the intercommunication groove, the top installation dust screen in intercommunication groove, the below installation air exhauster of dust screen.

Preferably, the exhaust fan is installed above the gas sensor and is not in contact with the gas sensor, and a distance is arranged between every two of the plurality of supporting legs.

Preferably, a wireless transmission module is installed inside the fire detector, and the single chip microcomputer is interconnected with a remote terminal network through the wireless transmission module.

Preferably, both sides of the top of the machine shell are provided with through holes, and the nozzles in the protection mechanism extend out of the machine shell through the through holes.

Preferably, the bottom cover is installed at the bottom of the casing, the bottom cover is movably connected with the casing through threads, and installation screws are arranged on two sides of the bottom cover.

Compared with the prior art, the beneficial effects of the utility model are that: install on corridor or indoor ceiling through the alarm, when the conflagration appears, the inside gas sensor of alarm detects the flue gas, send alarm sound through the speaker, along with the intensity of a fire grow, when the flame sensor on the alarm detects flame appearing around the alarm, open the solenoid valve through the driver, at this moment, the inside compression dry ice of compression dry ice bucket sprays around the alarm through the nozzle, carry out the self preservation and protect, avoid the intensity of a fire too big damage alarm, the inside air exhauster that still is equipped with of top cap of alarm, the air exhauster during operation can induced draft, because gas sensor installs the below at the air exhauster, even the less air exhauster of flue gas volume also can be with the flue gas to gas sensor, make gas sensor detect the conflagration that appears, improve the detectivity of alarm.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the housing of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the fire detector of the present invention.

In the figure: 1. alarm, 2, casing, 3, supporting leg, 4, top cap, 5, dust screen, 6, air exhauster, 7, gas sensor, 8, flame sensor, 9, protection machanism, 10, speaker, 11, intercommunication groove, 12, compression dry ice bucket, 13, solenoid valve, 14, nozzle, 15, fire detector, 16, singlechip, 17, driver, 18, wireless transmission module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an intelligent alarm for fire comprises an alarm 1, the alarm 1 is composed of a casing 2 and a top cover 4, the top of the casing 2 is connected with the top cover 4 through a plurality of supporting legs 3, a gas sensor 7 is installed below the top cover 4, the bottom end of the gas sensor 7 extends into the casing 2 to be installed with a fire detector 15, two sides of the interior of the fire detector 15 are respectively installed with a protection mechanism 9, a compressed dry ice bucket 12 is arranged in the protection mechanism 9, a nozzle 14 is installed at the top end of the compressed dry ice bucket 12, the nozzle 14 is controlled by an electromagnetic valve 13, a flame sensor 8 and a loudspeaker 10 are installed on the top surface of the casing 2, a single chip microcomputer 16 is arranged in the fire detector 15, the gas sensor 7, the flame sensor 8 and the loudspeaker 10 are electrically connected with the single chip microcomputer 16, the flame sensor 8 controls the electromagnetic valve 13 through a driver, this alarm 1 adopts gaseous formula detector to carry out fire detection, when the conflagration appears, gas sensor 7 and the cooperation of flame detector 15, carry out sampling detection to the air, produce the signal of telecommunication after the air sample in the protected area contacts gas sensor 7, give the signal of telecommunication for flame detector 15 inside singlechip 16 and carry out the analysis again, if discover smog granule, send the warning through speaker 10 promptly, when the intensity of a fire is great, flame sensor 8 detects and has flame around alarm 1, give singlechip 16 with signal of telecommunication sending, singlechip 16 rethread driver 17 opens solenoid valve 13, the inside dry ice that is compressed by high pressure of compression dry ice bucket 12 at this moment is sprayed around alarm 1 along with nozzle 14, put out a fire protection around alarm 1, guarantee that alarm 1 can work.

The inside of the top cover 4 is provided with a communicating groove 11, the top of the communicating groove 11 is provided with a dust screen 5, the lower part of the dust screen 5 is provided with an exhaust fan 6, the exhaust fan 6 is arranged above the gas sensor 7 and is not contacted with the gas sensor 7, a plurality of supporting legs 3 are arranged with intervals between every two, the exhaust fan 6 has an air exhaust function, when the fire is in a small fire, smoke can not be captured by the gas sensor 7, the exhaust fan 6 can suck ambient air into the gas sensor 7, the sensitivity of the gas sensor 7 for collecting smoke is improved, the inside of the fire detector 15 is provided with a wireless transmission module 18, the single chip microcomputer 16 is interconnected with a remote terminal network through the wireless transmission module 18, the wireless transmission module 18 enables the fire condition detected by the fire detector 15 to be sent to the remote terminal through a wireless network, a manager is reminded, the, and the nozzle 14 inside the protection mechanism 9 stretches out of the casing 2 through a through hole, the nozzle 14 stretches out of the casing 2 to spray dry ice around the alarm 1, the bottom cover is installed at the bottom of the casing 2, the bottom cover is movably connected with the casing 2 through threads, installation screws are arranged on two sides of the bottom cover, the bottom cover is convenient to open, and the compressed dry ice barrel 12 is convenient to replace.

When the utility model is used, the alarm 1 is hung upside down on a corridor or an indoor ceiling, the top cover 4 faces the ground, the exhaust fan 6 is in an open state, when a fire occurs, the exhaust fan 6 can suck smoke into the gas sensor 7 (model: HCHX-301M), the gas sensor 7 sends an electric signal to the singlechip 16 after detecting the smoke, the singlechip 16 controls the loudspeaker 10 to send an alarm, and then the fire alarm is sent to the remote terminal through the wireless transmission module 18 to remind a manager, when the fire is about to burn to the alarm 1, the flame sensor 8 (model: R2868) detects the flame, generates an electric signal and sends the electric signal to the singlechip 16, the singlechip 16 opens the electromagnetic valve 13 (model: ZD 131-B) through the driver 17, so that the nozzle 14 sprays dry ice to extinguish the fire around the alarm 1 and ensure that the alarm 1 can be normally used in a short time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An intelligent fire alarm is characterized in that: including alarm (1), alarm (1) comprises casing (2) and top cap (4), the top of casing (2) with be connected through a plurality of supporting legs (3) between top cap (4), gas sensor (7) are installed to the below of top cap (4), gas sensor (7) bottom stretches into casing (2) installation fire detector (15), protection machanism (9) are all installed to the inside both sides of fire detector (15), protection machanism (9) inside sets up compressed dry ice bucket (12), nozzle (14) are installed to the top of compressed dry ice bucket (12), nozzle (14) are controlled through solenoid valve (13), top surface mounting flame sensor (8) and speaker (10) of casing (2), fire detector (15) inside sets up singlechip (16), the gas sensor (7), the flame sensor (8) and the loudspeaker (10) are electrically connected with the single chip microcomputer (16), and the flame sensor (8) controls the electromagnetic valve (13) through a driver (17).

2. An intelligent fire alarm as claimed in claim 1, wherein: the inside of top cap (4) sets up intercommunication groove (11), dust screen (5) are installed at the top of intercommunication groove (11), air exhauster (6) are installed to the below of dust screen (5).

3. An intelligent fire alarm as claimed in claim 2, wherein: the exhaust fan (6) is installed above the gas sensor (7) and is not in contact with the gas sensor (7), and a distance is arranged between every two of the support legs (3).

4. An intelligent fire alarm as claimed in claim 1, wherein: a wireless transmission module (18) is installed inside the fire detector (15), and the single chip microcomputer (16) is connected with a remote terminal network through the wireless transmission module (18).

5. An intelligent fire alarm as claimed in claim 1, wherein: both sides of the top of the machine shell (2) are provided with through holes, and the nozzles (14) in the protection mechanism (9) extend out of the machine shell (2) through the through holes.

6. An intelligent fire alarm as claimed in claim 1, wherein: the bottom cover is installed at the bottom of the casing (2), the bottom cover is movably connected with the casing (2) through threads, and installation screws are arranged on two sides of the bottom cover.