CN210295352U

CN210295352U - Smoke alarm device

Info

Publication number: CN210295352U
Application number: CN201921784443.9U
Authority: CN
Inventors: 孙成成
Original assignee: Shenzhen Luoyizhizhi Technology Co Ltd
Current assignee: Shenzhen Luoyizhizhi Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-04-10
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a smoke alarm device, which comprises a shell, wherein a mounting plate is fixed at the top of the shell, a plurality of mounting holes are arranged at the edge of the mounting plate, a supporting mainboard is horizontally arranged at the inner side of the shell, a storage battery, a motor and a controller are sequentially arranged on the supporting mainboard, the storage battery and the controller are respectively arranged at two sides of the motor, an output shaft of the motor penetrates through the supporting mainboard to be provided with a fan blade, two sides of the fan blade are respectively provided with a baffle plate, one side of the baffle plate is provided with a buzzer, the bottom of the shell is provided with a threaded connector, the inner side of the threaded connector is connected with a transparent lampshade, the bottom of the transparent lampshade is in a cone-shaped structure, the inner side of the transparent lampshade is provided with a bracket, a LED illuminating lamp is embedded in the center of the bracket, two, the storage time of the smoke in the shell is prolonged, so that the sensitivity and the accuracy of detection are ensured.

Description

Smoke alarm device

Technical Field

The utility model relates to a fire alarm technical field, in particular to flue gas alarm device.

Background

The fire disaster is one of the main disasters which threaten public safety and social development most frequently and generally, and personal and property losses caused by the fire disaster are huge every year at present. More and more families and enterprises select to install various smoke alarm devices, can detect smoke, prevent or find fire, or can detect toxic gas, and can give an alarm in time if gas leakage occurs, thereby forming a family safety defense line.

However, in the existing smoke alarm device, the detection gas generally uses infrared geminate transistors, and in order to increase the air input and improve the sensitivity, a smoke inlet is generally enlarged below the smoke alarm device. Because the infrared geminate transistors are sensitive to light, the smoke inlet is enlarged to cause more light to enter, meanwhile, smoke and gas are easy to overflow, and finally, the detection sensitivity is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a smoke alarm device, which can effectively solve the problems of the background art.

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

a smoke alarm device comprises a shell, wherein a mounting plate is fixed at the top of the shell, a plurality of mounting holes are formed in the edge of the mounting plate, a supporting main board is horizontally arranged on the inner side of the shell, a storage battery, a motor and a controller are sequentially arranged on the supporting main board, the storage battery and the controller are respectively positioned on two sides of the motor, an output shaft of the motor penetrates through the supporting main board to be provided with fan blades, baffles are arranged on two sides of each fan blade, a buzzer is arranged on one side of each baffle, a threaded connector is arranged at the bottom of the shell, a transparent lampshade is connected to the inner side of the threaded connector, a support is arranged on the inner side of the transparent lampshade, an LED illuminating lamp is embedded in the center of the support, and a smoke sensor and a combustible gas sensor are respectively arranged on two sides of the LED illuminating lamp, the smoke sensor with the signal output part of combustible gas sensor all with the signal input part electric connection of controller, the signal output part of controller with the signal input part electric connection of motor, transparent lamp shade's upper end is equipped with interface channel, interface channel's inboard is equipped with the filter screen, a plurality of evenly distributed's inlet port is seted up to transparent lamp shade's bottom.

Preferably, the outer surface of the threaded connection port is provided with an external thread, and the inner side of the upper end of the transparent lampshade is provided with an internal thread matched with the external thread.

Preferably, the bottom of the shell is provided with a flue gas inlet corresponding to the connecting channel, and the upper ends of the two sides of the shell are provided with a plurality of flue gas outlets.

Preferably, the smoke sensor is an MQ-2 smoke sensor.

Preferably, the combustible gas sensor is an MQ-5 combustible gas sensor.

Preferably, the controller is a DATA-7311 controller.

Compared with the prior art, the utility model discloses following beneficial effect has: this kind of smoke alarm device, at first fix the mounting panel in ceiling department through the mounting hole with the casing, when conflagration emergence or gas leakage, the smog of production passes through the inboard that the inlet port got into transparent lamp shade, at this moment, detect smog through smoke transducer and combustible gas sensor, and lead to signal transmission to controller, at this moment, controller starter motor, the motor drives the flabellum rotatory, and then produce the suction air current, and then inhale more flue gases or combustible gas from the inlet port through flue gas inlet and interface channel, overflow from the exhanst gas outlet at last, can slow down the flow velocity of flue gas simultaneously, increase the storage time of flue gas in the casing inside, thereby ensure sensitivity and the accuracy of detection.

Drawings

Fig. 1 is the utility model relates to a smoke alarm device's overall structure schematic diagram.

Fig. 2 is the structure schematic diagram of the mounting plate of the smoke alarm device of the present invention.

In the figure: 1. a housing; 2. mounting a plate; 3. mounting holes; 4. supporting the main board; 5. a storage battery; 6. a motor; 7. a lower conveyor; 8. a fan blade; 9. a baffle plate; 10. a buzzer; 11. a threaded connector; 12. a transparent lampshade; 13. a support; 14. an LED lighting lamp; 15. a smoke sensor; 16. a combustible gas sensor; 17. a connecting channel; 18. a filter screen; 19. an air inlet; 20. and a flue gas inlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a smoke alarm device comprises a housing 1, wherein a mounting plate 2 is fixed at the top of the housing 1, a plurality of mounting holes 3 are formed in the edge of the mounting plate 2, a supporting main board 4 is horizontally arranged on the inner side of the housing 1, a storage battery 5, a motor 6 and a controller 7 are sequentially arranged on the supporting main board 4, the storage battery 5 and the controller 7 are respectively located on two sides of the motor 6, an output shaft of the motor 6 penetrates through the supporting main board 4 to be provided with fan blades 8, baffle plates 9 are respectively arranged on two sides of each fan blade 8, a buzzer 10 is arranged on one side of each baffle plate 9, a threaded connector 11 is arranged at the bottom of the housing 1, a transparent lampshade 12 is connected to the inner side of the threaded connector 11, the bottom of the transparent lampshade 12 is in a cone-shaped structure, a support 13 is arranged on the inner side of the transparent lampshade 12, and an, the both sides of LED light 14 are equipped with smoke transducer 15 and combustible gas sensor 16 respectively, smoke transducer 15 with combustible gas sensor 16's signal output part all with the signal input part electric connection of controller 7, the signal output part of controller 7 with the signal input part electric connection of motor 6, the upper end of transparent lamp shade 12 is equipped with interface channel 17, interface channel 17's inboard is equipped with filter screen 18, a plurality of evenly distributed's inlet port 19 is seted up to the bottom of transparent lamp shade 12.

In this embodiment, preferably, the outer surface of the threaded connection port 11 is provided with an external thread, and the inner side of the upper end of the transparent lampshade 12 is provided with an internal thread matching with the external thread.

In this embodiment, preferably, the bottom of the casing 1 is provided with a flue gas inlet 20 corresponding to the connecting channel 17, and the upper ends of the two sides of the casing 1 are both provided with a plurality of flue gas outlets 21.

In this embodiment, the smoke sensor 15 is preferably a MQ-2 smoke sensor.

In this embodiment, the combustible gas sensor 16 is preferably an MQ-5 combustible gas sensor.

In this embodiment, the controller 7 is preferably a DATA-7311 controller.

It should be noted that, the utility model relates to a smoke alarm device, when using, at first fix mounting panel 2 in ceiling department through mounting hole 3 with the casing, when conflagration emergence or gas leakage, the smog of production passes through the inboard that inlet port 19 got into transparent lamp shade 12, at this moment, detect smog through smoke transducer 15 and combustible gas sensor 16, and lead to signal transmission to controller 7, at this moment, controller 7 starter motor 6, motor 6 drives flabellum 8 rotatory, and then produce the suction air current, and then inhale more flue gases or combustible gas in inlet port 19 through flue gas inlet 20 and connecting channel 17, overflow from the exhanst gas outlet at last, the flow velocity of flue gas can be slowed down simultaneously, increase the save time of flue gas in casing 1 inside, thereby ensure the sensitivity and the accuracy that detect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a smoke alarm device, includes casing (1), its characterized in that: the top of the shell (1) is fixed with a mounting plate (2), a plurality of mounting holes (3) are formed in the edge of the mounting plate (2), a supporting main board (4) is horizontally arranged on the inner side of the shell (1), a storage battery (5), a motor (6) and a controller (7) are sequentially arranged on the supporting main board (4), the storage battery (5) and the controller (7) are respectively positioned on two sides of the motor (6), an output shaft of the motor (6) penetrates through the supporting main board (4) to be provided with fan blades (8), baffle plates (9) are respectively arranged on two sides of each fan blade (8), a buzzer (10) is arranged on one side of each baffle plate (9), a threaded connecting port (11) is formed in the bottom of the shell (1), a transparent lampshade (12) is connected to the inner side of the threaded connecting port (11), and the bottom of the transparent lampshade (12) is of a conical, the inboard of transparent lampshade (12) is equipped with support (13), the central authorities of support (13) are inlayed and are equipped with LED light (14), the both sides of LED light (14) are equipped with smoke transducer (15) and combustible gas sensor (16) respectively, smoke transducer (15) with the signal output part of combustible gas sensor (16) all with the signal input part electric connection of controller (7), the signal output part of controller (7) with the signal input part electric connection of motor (6), the upper end of transparent lampshade (12) is equipped with interface channel (17), the inboard of interface channel (17) is equipped with filter screen (18), a plurality of evenly distributed's inlet port (19) are seted up to the bottom of transparent lampshade (12).

2. The smoke alarm device of claim 1, wherein: the outer surface of the threaded connecting port (11) is provided with external threads, and the inner side of the upper end of the transparent lampshade (12) is provided with internal threads matched with the external threads.

3. The smoke alarm device of claim 1, wherein: the bottom of the shell (1) is provided with a flue gas inlet (20) corresponding to the connecting channel (17), and the upper ends of the two sides of the shell (1) are provided with a plurality of flue gas outlets (21).

4. The smoke alarm device of claim 1, wherein: the type of the smoke sensor (15) is MQ-2.

5. The smoke alarm device of claim 1, wherein: the combustible gas sensor (16) is an MQ-5 combustible gas sensor.

6. The smoke alarm device of claim 1, wherein: the controller (7) is a DATA-7311 controller.