CN209912108U

CN209912108U - Novel multifunctional fire alarm

Info

Publication number: CN209912108U
Application number: CN201921008235.XU
Authority: CN
Inventors: 邓利平
Original assignee: JIANGXI RONGHE SPECIAL FIRE FIGHTING EQUIPMENT MANUFACTURING Co Ltd
Current assignee: JIANGXI RONGHE SPECIAL FIRE FIGHTING EQUIPMENT MANUFACTURING Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-01-07
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to a fire alarm technical field discloses a multi-functional novel fire alarm, which comprises an outer cover, the internal thread groove has been seted up to the upper surface of dustcoat, and the surface of dustcoat has evenly seted up air inlet grille, the top of dustcoat is provided with the shell, the lower surface of shell is provided with the connecting block, and the inside of shell is provided with the cavity, the upper surface embedding of shell is provided with the external power supply connector. The utility model discloses not only possess smog alarming function, dense cigarette emission and voice prompt function still have, dense cigarette emission can reduce the regional smog concentration of conflagration, can improve the sight on the one hand, be convenient for confirm the route of fleing fast, on the other hand can avoid leading to the stranded personnel problem that suffocates to appear because of flue gas concentration is too high, it provides the advantage to flee for the stranded personnel, official condition of a fire voice prompt of fleing is then broadcast to the player, so that the personnel of fleing make the exact method of fleing, the effectual probability of fleing that has improved.

Description

Novel multifunctional fire alarm

Technical Field

The utility model relates to a fire alarm technical field specifically is a multi-functional novel fire alarm.

Background

The fire alarm is one of the most important means for preventing fire, and is used for detecting that a great amount of smoke causes fire to generate an alarm, and the sensitivity of the smoke alarm is considered according to the geographical position and the application environment, so that the effect which a user should have is achieved.

However, the existing fire alarm on the market has a single function, only has the functions of judging whether to fire and giving an alarm according to smoke concentration, does not have a smoke exhaust function, cannot eliminate dense smoke after firing, and does not have a voice reminding function, so that trapped people cannot determine how to escape under the condition of hurry, and the escape probability is seriously influenced. Therefore, the technical personnel in the field provide a novel multifunctional fire alarm to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a multi-functional novel fire alarm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel multifunctional fire alarm comprises an outer cover, wherein an internal thread groove is formed in the upper surface of the outer cover, an air inlet grille is uniformly formed in the outer surface of the outer cover, a shell is arranged above the outer cover, a connecting block is arranged on the lower surface of the shell, a cavity is formed in the shell, an external power connector is embedded in the upper surface of the shell, a smoke exhaust pipe is embedded in one side position, away from the external power connector, of the upper surface of the shell, a switch electrically connected with the external power connector is embedded in the front surface of the shell, a sound hole is formed in one side position, located on the switch, of the front surface of the shell, a smoke sensor is embedded in the lower surface of the connecting block, a smoke suction pipe extending into the cavity is embedded in one side position, located on the smoke sensor, of the lower surface of the connecting block, a player is arranged in the position, and the inside bottom of cavity is provided with the singlechip that links to each other with the switch electrical property, the inside of cavity corresponds the position department of smoking pipe and is provided with the exhaust fan, the air-out end of exhaust fan is provided with defeated tobacco pipe.

As a further aspect of the present invention: the outer cover and the outer shell are both components made of flame-retardant ABS materials, and pipe threads matched with the internal thread grooves are arranged outside the connecting blocks.

As a further aspect of the present invention: the player is fixed on the inner side of the cavity through a bolt, and a memory card is arranged inside the player.

As a further aspect of the present invention: one end of the smoke absorbing pipe penetrates through the shell and is connected with the air inlet end of the exhaust fan, and the two ends of the smoke conveying pipe are respectively connected with the air outlet end of the exhaust fan and the air inlet end of the smoke exhaust pipe.

As a further aspect of the present invention: the signal output end of the smoke sensor is connected with the signal receiving end of the single chip microcomputer through an A/D converter, and the output end of the single chip microcomputer is electrically connected with the exhaust fan and the player respectively.

As a further aspect of the present invention: the bottom of smoking pipe is provided with the filter screen, and the aperture of filter screen is 2 mm.

Compared with the prior art, the beneficial effects of the utility model are that: this use neotype fire alarm not only possesses smoke alarm function, still has dense smoke emission and voice prompt facility, the practicality of equipment has been increased, its air inlet end can produce certain appeal after the exhaust fan function, inhale dense smoke through the smoking pipe, transmit to the pipe of discharging fume by defeated tobacco pipe simultaneously and discharge, can reduce the regional smog concentration of conflagration, on the one hand can improve the sight, be convenient for confirm the route of fleing fast, on the other hand can avoid leading to stranded personnel to appear the problem of suffocating because of the flue gas concentration is too high, it provides the advantage to flee for the stranded personnel, the player then can play official condition of a fire voice prompt of fleing according to the storage content broadcast official of RAM card, so that the personnel of fleing makes the exact method of fleing, the effectual probability of fleing that has improved.

Drawings

FIG. 1 is a schematic structural view of a novel multifunctional fire alarm;

FIG. 2 is a schematic diagram of the internal structure of the housing of the novel multifunctional fire alarm;

fig. 3 is a schematic frame diagram of a novel multifunctional fire alarm.

In the figure: 1. a housing; 2. an air intake grille; 3. an internal thread groove; 4. a smoke sensor; 5. a smoke exhaust pipe; 6. a sound hole; 7. an external power connector; 8. a housing; 9. a switch; 10. connecting blocks; 11. a single chip microcomputer; 12. a player; 13. a smoke conveying pipe; 14. an exhaust fan; 15. a smoking pipe; 16. a cavity.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the utility model, a multi-functional novel fire alarm, including dustcoat 1, thread groove 3 has been seted up to the upper surface of dustcoat 1, and air intake grille 2 has evenly been seted up to the surface of dustcoat 1, the top of dustcoat 1 is provided with shell 8, shell 8's lower surface is provided with connecting block 10, dustcoat 1 and shell 8 are the component of a fire-retardant ABS material, connecting block 10's outside is provided with the pipe thread with 3 looks adaptations of thread groove, fire-retardant ABS material has certain fire behavior, can play good fire proofness, avoid equipment and naked light contact to lead to the problem of burning out in the twinkling of an eye, twist through the screw thread between dustcoat 1 and the shell 8 and close, can play the effect of the dismouting of being.

A cavity 16 is arranged inside the casing 8, an external power supply connector 7 is embedded in the upper surface of the casing 8, a smoke exhaust pipe 5 is embedded in a position, away from the external power supply connector 7, of one side of the upper surface of the casing 8, a switch 9 electrically connected with the external power supply connector 7 is embedded in the front surface of the casing 8, a sound hole 6 is formed in a position, located on one side of the switch 9, of the front surface of the casing 8, a smoke sensor 4 is embedded in a lower surface of a connecting block 10, a smoke absorption pipe 15 extending into the cavity 16 is embedded in a position, located on one side of the smoke sensor 4, of the lower surface of the connecting block 10, a player 12 is arranged on the inner side of the cavity 16, corresponding to the sound hole 6, the player 12 is fixed to the inner side of the cavity 16 through bolts, a memory card is arranged inside the player 12, when a fire occurs, the correct escape method is made according to the official fire escape voice prompt, so that the escape probability is effectively improved.

The inside bottom of cavity 16 is provided with singlechip 11 (model STM32) that links to each other with switch 9 electrical property, the inside of cavity 16 is provided with exhaust fan 14 corresponding to the position department of smoking pipe 15, the air-out end of exhaust fan 14 is provided with defeated tobacco pipe 13, the one end of smoking pipe 15 runs through shell 8 and links to each other with the air inlet end of exhaust fan 14, the air-out end of defeated tobacco pipe 13 and the air inlet end of exhaust pipe 5 are connected respectively to the both ends of defeated tobacco pipe 13, its air inlet end can produce certain appeal after exhaust fan 14 operates, inhale dense smoke through smoking pipe 15, transmit to exhaust pipe 5 by defeated tobacco pipe 13 simultaneously and discharge, can reduce the regional smog concentration of fire, on the one hand, can improve the sight, be convenient for confirm the route of fleing fast, on the other hand can avoid causing stranded personnel to appear the problem of suffocating because of flue gas concentration is too high, provide the advantage for.

The bottom of smoking pipe 15 is provided with the filter screen, and the aperture of filter screen is 2mm, can block the filtration to large granule dust, avoids piling up the problem that leads to the pipeline to block up because of impurity.

The signal output end of the smoke sensor 4 (model MQ-2) is connected with the signal receiving end of the single chip microcomputer 11 through an A/D converter, the output end of the single chip microcomputer 11 is electrically connected with the exhaust fan 14 and the player 12 respectively, in the daily operation process, the smoke sensor 4 can monitor smoke in a detection area, the detected signal is transmitted to the single chip microcomputer 11 through the A/D converter, a rated value (a normal smoke value) is arranged inside the single chip microcomputer 11, when the signal received by the single chip microcomputer 11 is larger than the rated value, the fire is judged, and after the fire occurs, the single chip microcomputer 11 controls the exhaust fan 14 and the player 12 to operate, so that convenience is provided for escape of trapped people.

The utility model discloses a theory of operation is: during the daily operation, the smoke sensor 4 will monitor the smoke in the detection area, and transmit the detected signal to the single chip microcomputer 11 through the a/D converter, the single chip microcomputer 11 is provided with a rated value (normal smoke value), when the signal received by the single chip microcomputer 11 is larger than the rated value, the fire is judged, and after the fire occurs, the single chip microcomputer 11 controls the operation of the exhaust fan 14 and the player 12, after the operation of the exhaust fan 14, the air inlet end will generate a certain attraction force, the smoke tube 15 will suck the dense smoke, and at the same time, the smoke tube 13 will transmit the smoke to the smoke tube 5, which can reduce the smoke concentration in the fire area, on one hand, can improve the sight, and is convenient to quickly determine the escape route, on the other hand, can avoid the suffocation problem of the trapped person due to the high smoke concentration, and provide a favorable condition for the escape of the trapped person, the player 12 will play the official fire escape voice prompt according to the stored content of the, so that the escape personnel can make a correct escape method, and the escape probability is effectively improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel multifunctional fire alarm comprises an outer cover (1) and is characterized in that an inner thread groove (3) is formed in the upper surface of the outer cover (1), an air inlet grid (2) is uniformly formed in the outer surface of the outer cover (1), a shell (8) is arranged above the outer cover (1), a connecting block (10) is arranged on the lower surface of the shell (8), a cavity (16) is formed in the shell (8), an external power connector (7) is embedded in the upper surface of the shell (8), a smoke exhaust pipe (5) is embedded in one side position, away from the external power connector (7), of the upper surface of the shell (8), a switch (9) electrically connected with the external power connector (7) is embedded in the front surface of the shell (8), and a sound hole (6) is formed in one side position, located on the switch (9), of the front surface of the shell (8), the lower surface embedding of connecting block (10) is provided with smoke transducer (4), and the lower surface of connecting block (10) is located one side position embedding of smoke transducer (4) and is provided with and extends to inside smoking pipe (15) of cavity (16), the inboard position department that corresponds sound hole (6) of cavity (16) is provided with player (12), and the inside bottom of cavity (16) is provided with singlechip (11) that link to each other with switch (9) electrical property, the inside position department that corresponds smoking pipe (15) of cavity (16) is provided with exhaust fan (14), the air-out end of exhaust fan (14) is provided with defeated tobacco pipe (13).

2. The novel multifunctional fire alarm according to claim 1, wherein the housing (1) and the casing (8) are both made of flame-retardant ABS material, and the exterior of the connecting block (10) is provided with pipe threads matched with the internal thread grooves (3).

3. The novel multifunctional fire alarm according to claim 1, wherein the player (12) is fixed to the inner side of the cavity (16) through bolts, and a memory card is arranged inside the player (12).

4. The novel multifunctional fire alarm of claim 1, wherein one end of the smoke absorbing pipe (15) penetrates through the housing (8) and is connected with the air inlet end of the exhaust fan (14), and the two ends of the smoke conveying pipe (13) are respectively connected with the air outlet end of the exhaust fan (14) and the air inlet end of the smoke exhaust pipe (5).

5. The novel multifunctional fire alarm as claimed in claim 1, wherein the signal output end of the smoke sensor (4) is connected to the signal receiving end of the single chip microcomputer (11) through an A/D converter, and the output end of the single chip microcomputer (11) is electrically connected to the exhaust fan (14) and the player (12), respectively.

6. The novel multifunctional fire alarm as claimed in claim 1, wherein a filter screen is arranged at the bottom end of the smoking pipe (15), and the aperture of the filter screen is 2 mm.