CN112791338A

CN112791338A - Intelligent smoke alarm for building fire fighting

Info

Publication number: CN112791338A
Application number: CN202110121513.8A
Authority: CN
Inventors: 徐孝先
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-05-14

Abstract

The invention discloses an intelligent smoke alarm for building fire fighting, which comprises a fixed seat, an alarm body, an air suction structure and an air inlet structure, wherein the upper side of a locking device is fixedly connected with a flange, the flange is assembled with the bottom of a ceiling through a bolt, a base is arranged at the bottom of the locking device, the lower side of the base is fixed with the upper side of an upper cover through a buckle, a mounting seat is arranged in the upper cover, the air suction device is arranged in the mounting seat, the bottom of the upper cover is fixedly connected with an air inlet baffle through a connecting column, and an isolation net is arranged in the connecting column. This intelligence smoke alarm that building fire control was used, the flue gas in the air can the very first time contact with the inside ion sensor of alarm body under the effect of miniature fan to reduce from the time that the fire rises to the flue gas transmission to the inside of alarm body, the alarm body can report to the police at the fastest speed, and is simple reliable.

Description

Intelligent smoke alarm for building fire fighting

Technical Field

The invention relates to the field of smoke alarms, in particular to an intelligent smoke alarm for building fire fighting.

Background

The smoke alarm realizes fire prevention by monitoring smoke concentration, adopts an ion type smoke sensor inside, is a sensor with advanced technology and stable and reliable work, is widely applied to various fire alarm systems, and has far better performance than a gas-sensitive resistor type fire alarm.

The smoke induction of the alarm is mainly completed by an optical maze, a group of infrared transmitting and receiving photoelectric tubes are arranged in the maze, and the correlation angle is 135 degrees; when smoke exists in the environment, smoke particles enter a labyrinth to enable infrared light emitted by the emitting tube to be scattered, the intensity of the scattered infrared light has a certain linear relation with the smoke concentration, the subsequent sampling circuit changes, the main control chip arranged in the alarm judges the variable quantity to confirm whether a fire alarm occurs or not, once the fire alarm is confirmed, the alarm emits a fire alarm signal, a fire indicator lamp (red) is lightened, and a buzzer is started to give an alarm.

The smoke alarm in the market senses smoke in a passive sensing mode, that is, the smoke alarm starts to work when smoke diffuses to the alarm, and time is required for the smoke to diffuse to the alarm, so that the smoke alarm cannot alarm at the fastest speed, and the smoke alarm alarms at the fastest speed when the best fire extinguishing period is known in the initial stage.

Disclosure of Invention

The invention provides an intelligent smoke alarm for building fire protection, aiming at making up for market blank.

The invention aims to provide an intelligent smoke alarm for building fire protection, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence smoke alarm that building fire control used, includes fixing base, alarm body, the structure and the air inlet structure of induced drafting, locking device upside and flange fixed connection, and through the bolt assembly between the bottom of flange and ceiling, the base is installed to the locking device bottom simultaneously to the downside of base is fixed through the buckle with the upper cover upside, upper cover internally mounted has the mount pad, and mount pad internally mounted has the device of induced drafting, and the upper cover bottom passes through spliced pole and air inlet baffle fixed connection simultaneously to spliced pole internally mounted has the separation net, the air inlet structure comprises air inlet baffle, spliced pole and separation net triplex.

Further, the fixing base includes flange and locking device, and locking device includes lock rail, locked groove, spacing groove and lock dish, and inside locked groove and the spacing groove of having seted up respectively of lock rail, and the lock rail sets up to two sets of fixed connection on the surface of lock dish, and the lock rail is the arc setting.

Further, the uniform isosceles trapezoid of section of locked groove and spacing groove sets up, and the upside of locked groove is sealed the setting, and the upside of spacing groove is open-air setting simultaneously.

Further, the alarm body includes bottom plate, battery, ion sensor, base and upper cover, and electric connection between battery and the ion sensor.

Furthermore, the bottom plate comprises arc-shaped locking structures, locking blocks, connecting blocks and mounting plates, the two groups of arc-shaped locking structures are arranged on the surface of the mounting plate, each arc-shaped locking structure consists of the locking block and the connecting block, and the locking blocks and the connecting blocks are combined together to form an L shape.

Furthermore, the locking piece is in size adaptation with the spacing groove, and the locking piece is in size adaptation with the locking groove, and the locking piece passes spacing groove joint inside the locking groove simultaneously.

Furthermore, the structure of induced drafting includes the mount pad and the device that induced drafts, and the device that induced drafts is inside for dismantling the setting at the mount pad.

Further, the mount pad includes workstation, constant head tank, reference column and fresh air inlet, and the reference column evenly sets up to four groups in the constant head tank is inside, and the fresh air inlet of circular setting is seted up to the bottom of workstation.

Furthermore, the air suction device comprises a positioning seat, a positioning hole, a filter screen, fixing columns and a miniature fan, the miniature fan is arranged opposite to the filter screen, and meanwhile the miniature fan is fixed inside the positioning seat through four groups of fixing columns arranged in the circumferential direction of the miniature fan.

Furthermore, the positioning seat is matched with the positioning groove in size, the positioning seat is inserted into the positioning groove, the positioning hole is matched with the positioning column in size, and the positioning column is inserted into the positioning hole.

Compared with the prior art, the invention has the beneficial effects that:

1. the miniature fan works, smoke in the air is accelerated and then is sucked into the upper cover through the air inlet structure and is in contact with the ion sensor, the smoke in the air can be in contact with the ion sensor in the alarm body at the first time under the action of the miniature fan, so that the time from fire to transmission of the smoke to the interior of the alarm body is reduced, the alarm body can give an alarm at the fastest speed, and the miniature fan is simple and reliable;

2. the alarm body and the fixed seat are of a detachable structure, the detachable mode is that an arc-shaped locking structure above a bottom plate of the alarm body is clamped and fixed with a locking rail inside the fixed seat, and the installation mode between the alarm body and the fixed seat replaces the traditional screwed connection fixing mode, so that the alarm is simple and convenient;

3. the air suction device is detachably arranged in the mounting seat; the air suction device is convenient to disassemble and maintain; due to the arrangement of the filter screen, external dust can be prevented from entering the alarm body;

4. the locating seat detachable installs in the inside of constant head tank, is convenient for maintain and change the miniature fan of damage, and the size looks adaptation of locating seat and constant head tank simultaneously for the locating seat can not take place the pine to take off in the constant head tank is inside.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of a locking device of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2 illustrating the structure of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 illustrating the structure of the present invention;

FIG. 5 is a schematic view of the locking piece of the present invention installed inside the limiting groove;

FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 5 of the inventive structure;

FIG. 7 is a top view of a base plate of the structure of the present invention;

FIG. 8 is a schematic cross-sectional view E-E of FIG. 7 of the structure of the present invention;

FIG. 9 is a schematic view of the locking block of the structure of the present invention being clamped inside the locking groove;

FIG. 10 is a schematic cross-sectional view taken along line D-D of FIG. 9 of the structure of the present invention;

FIG. 11 is a schematic view of the mounting base and the air suction device of the present invention;

FIG. 12 is a schematic view of a positioning seat of the present invention;

FIG. 13 is a schematic view of a work table of the present invention configuration;

FIG. 14 is a schematic view F-F of FIG. 1 of the structure of the present invention;

FIG. 15 is a top cross-sectional view of an intake baffle of the present invention.

In the figure: 1. a ceiling; 2. a fixed seat; 21. a locking device; 211. locking the rail; 212. locking the groove; 213. a limiting groove; 214. a lock disc; 22. a flange; 3. An alarm body; 31. a base plate; 311. an arc-shaped locking structure; 312. a locking block; 313. connecting blocks; 314. mounting a plate; 32. a battery; 33. an ion sensor; 34. a base; 35. an upper cover; 4. an air suction structure; 41. a mounting seat; 411. a work table; 412. positioning a groove; 413. a positioning column; 414. an air inlet hole; 42. an air suction device; 421. positioning seats; 422. positioning holes; 423. filtering with a screen; 424. fixing a column; 425. a micro fan; 5. an air inlet structure; 51. an air inlet baffle; 52. connecting columns; 53. an isolation net.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-15, the present invention provides a technical solution: the utility model provides an intelligence smoke alarm that building fire control used, which comprises a fixed base 2, alarm body 3, induced draft structure 4 and air inlet structure 5, 21 upsides of locking device and flange 22 fixed connection, and through bolt assembly between the bottom of flange 22 and ceiling 1, base 34 is installed to locking device 21 bottom simultaneously, and the downside of base 34 passes through the buckle with upper cover 35 upside and fixes, upper cover 35 internally mounted has mount pad 41, and mount pad 41 internally mounted has induced draft device 42, simultaneously upper cover 35 bottom is through spliced pole 52 and air inlet baffle 51 fixed connection, and spliced pole 52 internally mounted has separation net 53, air inlet structure 5 is by air inlet baffle 51, spliced pole 52 and separation net 53 triplex.

When the alarm body 3 needs to be installed, the alarm body 3 is held by hand, the locking block 312 on the upper surface of the alarm body 3 is inserted into the limiting groove 213 and the alarm body 3 is rotated, so that the locking block 312 moves in the limiting groove 213, at the moment, the locking block 312 penetrates through the limiting groove 213 and is inserted into the locking groove 212, the installation operation between the alarm body 3 and the fixing seat 2 is completed, the alarm body 3 is convenient to detach, maintain and replace, the traditional screw fixing mode is adopted, the structure is simple and convenient to realize, when the alarm body 3 works, the micro fan 425 is started, smoke in air is accelerated and then is sucked into the upper cover 35 through the air inlet structure 5 and is contacted with the ion sensor 33, the purpose that the smoke is contacted with the ion sensor 33 at the first time is realized, the smoke in air can be contacted with the ion sensor 33 in the alarm body 3 at the first time under the action of the micro fan 425, in order to reduce from the time that the fire rises to flue gas transmission to the inside of alarm body 3, alarm body 3 can report to the police at the fastest speed, and is simple reliable.

The second embodiment is as follows: as shown in fig. 1 to 4, the fixing base 2 includes a flange 22 and a locking device 21, the locking device 21 includes a lock rail 211, a lock groove 212, a limiting groove 213, and a lock disc 214, the lock rail 211 is internally provided with the lock groove 212 and the limiting groove 213, the lock rail 211 is provided in two groups and fixedly connected to the surface of the lock disc 214, and the lock rail 211 is provided in an arc shape; fixing base 2 is fixed through flange 22 on it and ceiling 1 spiro union, is detachable construction between alarm body 3 and the fixing base 2, and the mode of dismantlement is that arc locking structure 311 and the inside lock rail 211 of fixing base 2 of bottom plate 31 top through alarm body 3 carry out the joint fixedly, and the mounting means between alarm body 3 and the fixing base 2 replaces traditional spiro union fixed mode, and is simple, convenient.

The third concrete implementation mode: 2-4, the cross sections of the locking groove 212 and the limiting groove 213 are uniformly arranged in an isosceles trapezoid shape, the upper side of the locking groove 212 is arranged in a sealing manner, and the upper side of the limiting groove 213 is arranged in the open air; the shapes of the locking groove 212 and the limiting groove 213 are the same, the locking piece 312 moves in the limiting groove 213, when the locking piece 312 moves to the inside of the locking groove 212, the upper side of the locking groove 212 is sealed, and the locking piece 312 can be clamped and locked in the locking groove 212.

The fourth concrete implementation mode: as shown in fig. 1, the alarm body 3 includes a bottom plate 31, a battery 32, an ion sensor 33, a base 34, and an upper cover 35, and the battery 32 and the ion sensor 33 are electrically connected to each other; the base 34 and the upper cover 35 are fixed by a snap, the connection mode between the base 34 and the upper cover 35 is the prior art, and the applicant does not change the structure of the connection mode, so that the fixing mode between the base 34 and the upper cover 35 is not shown in the figure in the article.

The fifth concrete implementation mode: as shown in fig. 5 to 8, the bottom plate 31 includes two groups of arc-shaped locking structures 311, locking blocks 312, connecting blocks 313 and mounting plates 314, the two groups of arc-shaped locking structures 311 are disposed on the surface of the mounting plate 314, the two groups of arc-shaped locking structures 311 are composed of the locking blocks 312 and the connecting blocks 313, and the locking blocks 312 and the connecting blocks 313 are combined together to form an "L" shape; when the mounting plate 314 rotates, the connecting block 313 drives the locking block 312 to rotate, the locking block 312 rotates inside the arc-shaped locking rail 211 until the locking block 312 is inserted into the locking groove 212, and the connecting block 313 blocks the boundary between the locking groove 212 and the limiting groove 213.

The sixth specific implementation mode: as shown in fig. 9-10, the locking piece 312 is adapted to the size of the limiting groove 213, the locking piece 312 is adapted to the size of the locking groove 212, and the locking piece 312 passes through the limiting groove 213 and is clamped inside the locking groove 212; carry out the joint rotation and fix through locking piece 312 and locked groove 212 between the upside of alarm body 3 and fixing base 2, replace traditional direct mode of fixing alarm body 3 in ceiling 1 bottom through the screw, in the time of the dismantlement, only need rotate alarm body 3 can, need not with the help of instrument, labour saving and time saving.

The seventh embodiment: as shown in fig. 1, the air suction structure 4 includes a mounting base 41 and an air suction device 42, and the air suction device 42 is detachably disposed inside the mounting base 41; the air suction device 42 is convenient to disassemble and maintain.

The specific implementation mode is eight: as shown in fig. 1 and 11, the mounting base 41 includes a workbench 411, positioning slots 412, positioning columns 413 and air inlet holes 414, the positioning columns 413 are uniformly arranged in four groups inside the positioning slots 412, and the circular air inlet holes 414 are formed at the bottom of the workbench 411; the smoke of the air enters the air inlet hole 414 through the air inlet structure 5, and contacts with the ion sensor 33 at the fastest speed under the accelerated operation of the micro fan 425.

The specific implementation method nine: as shown in fig. 11, the air suction device 42 includes a positioning seat 421, a positioning hole 422, a filter screen 423, fixing posts 424 and a micro fan 425, wherein the micro fan 425 is disposed opposite to the filter screen 423, and the micro fan 425 is fixed inside the positioning seat 421 by four sets of fixing posts 424 disposed at a circumferential position of the micro fan 425; filter screen 423's setting can avoid the outside dust to enter into the inside of alarm body 3, and miniature fan 42 supplies power through battery 32, and battery 32 charges through the commercial power, and miniature fan 42 rotates, can accelerate the velocity of flow of air for the indoor air that is mingled with the flue gas can be fast contacts with ion sensor 33, and miniature fan 42's model is MF20C-05, can use the miniature fan 42 of different models to replace the maintenance.

The detailed implementation mode is ten: as shown in fig. 11-13, the positioning seat 421 is adapted to the size of the positioning groove 412, the positioning seat 421 is inserted into the positioning groove 412, the positioning hole 422 is adapted to the size of the positioning column 413, and the positioning column 413 is inserted into the positioning hole 422; the positioning seat 421 is detachably mounted inside the positioning groove 412, so that the damaged micro fan 425 can be maintained and replaced conveniently, and meanwhile, the positioning seat 421 is matched with the positioning groove 412 in size, so that the positioning seat 421 cannot be loosened inside the positioning groove 412.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence smoke alarm that building fire control was used, includes fixing base (2), alarm body (3), induced drafts structure (4) and air inlet structure (5), its characterized in that: locking device (21) upside and flange (22) fixed connection, and through bolt assembly between the bottom of flange (22) and ceiling (1), base (34) are installed to locking device (21) bottom simultaneously to the downside and the upper cover (35) upside of base (34) are fixed through the buckle, upper cover (35) internally mounted has mount pad (41), and mount pad (41) internally mounted has the device (42) that induced drafts, and spliced pole (52) and air inlet baffle (51) fixed connection are passed through to upper cover (35) bottom simultaneously, and spliced pole (52) internally mounted has separation net (53), air inlet structure (5) comprise air inlet baffle (51), spliced pole (52) and separation net (53) triplex.

2. The intelligent smoke alarm for fire fighting of buildings according to claim 1, characterized in that: fixing base (2) include flange (22) and locking device (21), and locking device (21) are including lock rail (211), locked groove (212), spacing groove (213) and lock dish (214), and inside locked groove (212) and the spacing groove (213) of having seted up respectively of lock rail (211), and lock rail (211) set up to two sets of fixed connection on the surface of lock dish (214), and lock rail (211) are the arc setting.

3. The intelligent smoke alarm for fire fighting of buildings according to claim 2, characterized in that: the uniform isosceles trapezoid of section of locked groove (212) and spacing groove (213) sets up, and the upside of locked groove (212) is sealed the setting, and the upside of spacing groove (213) is open-air the setting simultaneously.

4. The intelligent smoke alarm for fire fighting of buildings according to claim 1, characterized in that: alarm body (3) are including bottom plate (31), battery (32), ion sensor (33), base (34) and upper cover (35), and electric connection between battery (32) and ion sensor (33).

5. The intelligent smoke alarm for fire fighting of buildings according to claim 4, characterized in that: the bottom plate (31) comprises arc-shaped locking structures (311), locking blocks (312), connecting blocks (313) and mounting plates (314), the surfaces of the mounting plates (314) of the arc-shaped locking structures (311) are arranged into two groups, the arc-shaped locking structures (311) are composed of the locking blocks (312) and the connecting blocks (313), and the locking blocks (312) and the connecting blocks (313) are combined together to form an L shape.

6. The intelligent smoke alarm for fire fighting of buildings according to claim 5, characterized in that: the locking piece (312) is matched with the size of the limiting groove (213), the locking piece (312) is matched with the size of the locking groove (212), and meanwhile the locking piece (312) penetrates through the limiting groove (213) and is clamped inside the locking groove (212).

7. The intelligent smoke alarm for fire fighting of buildings according to claim 1, characterized in that: the air suction structure (4) comprises a mounting seat (41) and an air suction device (42), and the air suction device (42) is detachably arranged in the mounting seat (41).

8. The intelligent smoke alarm for fire fighting of buildings according to claim 7, wherein: the mounting seat (41) comprises a workbench (411), positioning grooves (412), positioning columns (413) and air inlet holes (414), the positioning columns (413) are evenly arranged in the positioning grooves (412) to form four groups, and the air inlet holes (414) which are circularly arranged are formed in the bottom of the workbench (411).

9. The intelligent smoke alarm for fire fighting of buildings according to claim 7, wherein: the air suction device (42) comprises a positioning seat (421), positioning holes (422), a filter screen (423), fixing columns (424) and a micro fan (425), the micro fan (425) is arranged opposite to the filter screen (423), and meanwhile the micro fan (425) is fixed inside the positioning seat (421) through four groups of fixing columns (424) arranged at the circumferential position of the micro fan (425).

10. The intelligent smoke alarm for fire fighting of buildings according to claim 9, wherein: the positioning seat (421) is matched with the positioning groove (412) in size, the positioning seat (421) is inserted into the positioning groove (412), the positioning hole (422) is matched with the positioning column (413) in size, and the positioning column (413) is inserted into the positioning hole (422).