CN216133484U

CN216133484U - Highly sensitive type fire smoke alarm

Info

Publication number: CN216133484U
Application number: CN202121526612.6U
Authority: CN
Inventors: 於回; 张贵威
Original assignee: Shanghai Rongyun Jiafeng Fire Fighting Equipment Group Co ltd
Current assignee: Shanghai Rongyun Jiafeng Fire Fighting Equipment Group Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-03-25
Anticipated expiration: 2031-07-06

Abstract

The utility model provides a highly sensitive fire smoke alarm, which is characterized in that: the device comprises a mounting plate, a shell, a detection assembly and an alarm assembly; the mounting plate is provided with a plurality of round holes on the surface, mounting screw holes are formed in the centers of the inner parts of the round holes, expansion bolts are arranged in the mounting screw holes, a cover plate is arranged on one side, located at the mounting screw holes, of the surface of the mounting plate, the size of the cover plate is matched with that of the round holes, one side of the cover plate is connected with the mounting plate through an elastic piece, and the other end of the cover plate is clamped and fixed with the mounting plate; the shell is fixedly arranged at the center of the surface of the mounting plate, and a detection assembly and an alarm assembly are arranged in the shell; this smoke alarm passes through the effect of micro motor, axis of rotation and fan and can be inside the air suction shell to make the smoke detector mouth can detect the smog concentration in the air, and then improve this smoke alarm's sensitivity, again through being provided with the purification layer in the shell outside, can play the purification effect to the air, thereby improve people's travelling comfort and security.

Description

Highly sensitive type fire smoke alarm

Technical Field

The utility model relates to a smoke alarm, in particular to a highly sensitive fire-fighting smoke alarm.

Background

The smoke-sensitive alarm is actually a different name of a smoke-sensitive alarm or a smoke alarm, the smoke-sensitive alarm realizes fire prevention by monitoring smoke concentration, an ion-type smoke sensor is adopted in the smoke-sensitive alarm, the ion-type smoke sensor 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 resistance type fire alarm, the existing smoke alarm generally comprises a shell, a control device and a smoke sensor, the smoke sensor transmits sensed smoke signals to the control device and sends the smoke signals to a server by the control device to form alarm, the smoke alarm has the premise that the smoke sensor senses the existence of smoke, so the smoke alarm has better induction effect on the smoke generated nearby or when the smoke is thick, when the distance between a smoke generating source and the smoke alarm is far, or when smoke is thin, the smoke sensor in the smoke alarm cannot effectively sense the existence of smoke, and when the smoke sensor senses the existence of smoke, the fire is possibly generated, so that the practicability of the existing smoke sensor is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a highly sensitive fire smoke alarm.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high sensitive type fire smoke alarm which characterized in that: the device comprises a mounting plate, a shell, a detection assembly and an alarm assembly; the mounting plate is provided with a plurality of round holes on the surface, mounting screw holes are formed in the centers of the inner parts of the round holes, expansion bolts are arranged in the mounting screw holes, a cover plate is arranged on one side, located at the mounting screw holes, of the surface of the mounting plate, the size of the cover plate is matched with that of the round holes, one side of the cover plate is connected with the mounting plate through an elastic piece, and the other end of the cover plate is clamped and fixed with the mounting plate; the shell is fixedly arranged at the center of the surface of the mounting plate, and a detection assembly and an alarm assembly are arranged in the shell; the detection assembly comprises an air inlet, an air outlet, a fan and a smoke sensing port; the fan is fixedly installed in the center of the bottom end of the shell, a rotating shaft is fixedly connected to the center of the fan, and the other end of the rotating shaft is fixedly connected with the output end of the micro motor.

Preferably, the cover plate is fixedly connected with a clamping block, the surface of the mounting plate is correspondingly provided with a clamping groove, and the cover plate is clamped and fixed with the mounting plate through the matching of the clamping block and the clamping groove.

Preferably, the surface of the shell is provided with a plurality of air inlets corresponding to the edge of the fan, and the side surface of the shell is provided with a plurality of air outlets.

Preferably, the air inlet and the air outlet are both arc-shaped structures.

Preferably, a transverse plate is horizontally fixed inside the shell, the micro motor is fixedly installed at the center of the surface of the transverse plate, and smoke sensing openings are formed in the surface of the transverse plate and located on two sides of the micro motor.

Preferably, the alarm assembly comprises an alarm indicator lamp and a voice broadcaster; the mounting groove has been seted up at shell bottom surface center, and the installation is fixed with alarm indicator in the mounting groove.

Preferably, the voice alarm is fixedly installed on the surface of the cross plate, and a sound outlet is formed in the position, corresponding to the voice alarm, on the surface of the shell.

Preferably, a fixing ring is arranged on the outer side of the shell, the top end of the fixing ring is fixedly connected with the bottom surface of the mounting plate, and the bottom end of the fixing ring is fixedly connected with the shell through a retaining ring; the baffle ring is fixed with the fixed ring and the shell through clamping.

Preferably, a purifying layer is arranged between the fixing ring and the shell; the purification layer is filled with a plurality of activated carbon particles.

Preferably, the surface of the fixing ring is provided with a plurality of meshes.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

the utility model provides a highly sensitive fire smoke alarm, which can suck air into a shell through the action of a micro motor, a rotating shaft and a fan, so that a smoke sensing port can detect the smoke concentration in the air, the sensitivity of the smoke alarm is improved, and a purification layer is arranged on the outer side of the shell, so that the air can be purified, and the comfort and the safety of people are improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the present invention as a whole;

fig. 2 is an enlarged schematic view at a in fig. 1.

Illustration of the drawings:

1. mounting a plate; 2. an expansion bolt; 3. a cover plate; 4. an elastic member; 5. a clamping block; 6. a card slot; 7. a housing; 8. an air inlet; 9. an air outlet; 10. a fan; 11. a rotating shaft; 12. a micro motor; 13. a smoke sensing port; 14. a transverse plate; 15. an alarm indicator light; 16. a voice broadcaster; 17. a sound outlet; 18. a fixing ring; 19. a baffle ring; 20. and (7) purifying the layer.

Detailed Description

The utility model provides a highly sensitive fire smoke alarm, which is further described in detail below by referring to the attached drawings and examples in order to make the purpose, technical scheme and effect of the utility model clearer and more clear and definite. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such system, article, or apparatus.

A high sensitive type fire smoke alarm which characterized in that: the device comprises a mounting plate 1, a shell 7, a detection assembly and an alarm assembly; the surface of the mounting plate 1 is provided with a plurality of round holes, the center of the inner part of each round hole is provided with a mounting screw hole, an expansion bolt 2 is arranged in each mounting screw hole, the surface of the mounting plate 1 is provided with a cover plate 3 at one side of each mounting screw hole, the size of each cover plate 3 is matched with that of each round hole, one side of each cover plate 3 is connected with the mounting plate 1 through an elastic piece 4, and the other end of each cover plate 3 is fixedly clamped with the mounting plate 1; the shell 7 is fixedly arranged at the center of the surface of the mounting plate 1, and a detection assembly and an alarm assembly are arranged in the shell 7; the detection assembly comprises an air inlet 8, an air outlet 9, a fan 10 and a smoke sensing port 13; the fan 10 is fixedly installed at the center of the bottom end of the shell 7, the center of the fan 10 is fixedly connected with a rotating shaft 11, and the other end of the rotating shaft 11 is fixedly connected with the output end of the micro motor 12.

Further, the cover plate 3 is fixedly connected with a clamping block 5 on the surface, a clamping groove 6 is correspondingly formed in the surface of the mounting plate 1, and the cover plate 3 is fixedly clamped with the mounting plate 1 through the matching of the clamping block 5 and the clamping groove 6.

Furthermore, the surface of the housing 7 is provided with a plurality of air inlets 8 corresponding to the edge of the fan 10, and the side surface of the housing 7 is provided with a plurality of air outlets 9.

Further, the air inlet 8 and the air outlet 9 are both arc-shaped structures.

Furthermore, a transverse plate 14 is horizontally fixed inside the housing 7, the micro motor 12 is fixed on the central position of the surface of the transverse plate 14, and smoke sensing ports 13 are formed in the surface of the transverse plate 14, which is positioned at two sides of the micro motor 12.

Further, the alarm assembly comprises an alarm indicator lamp 15 and a voice broadcaster 16; the mounting groove has been seted up at shell 7 bottom surface center, and the installation is fixed with alarm indicator 15 in the mounting groove.

Furthermore, the voice alarm is fixed on the surface of the transverse plate 14, and a sound outlet 17 is formed in the surface of the shell 7 corresponding to the position of the voice alarm.

Further, a fixing ring 18 is arranged on the outer side of the shell 7, the top end of the fixing ring 18 is fixedly connected with the bottom surface of the mounting plate 1, and the bottom end of the fixing ring 18 is fixedly connected with the shell 7 through a retaining ring 19; the retainer ring 19 is fixed to the fixing ring 18 and the housing 7 by engagement.

Further, a purifying layer 20 is arranged between the fixing ring 18 and the shell 7; the purification layer 20 is filled with a plurality of activated carbon particles.

Further, the surface of the fixing ring 18 is provided with a plurality of meshes.

The working principle is as follows: when the smoke alarm is installed, the expansion bolt 2 is screwed into the installation screw hole so that the installation plate 1 is installed at a fixed position, when the smoke alarm is used, the micro motor 12 drives the rotating shaft 11 to rotate so that the fan 10 rotates, the fan 10 can suck air upwards when rotating so that the air is sucked into the shell 7, the smoke concentration in the air is detected through the smoke sensing ports 13 arranged on two sides of the bottom surface of the transverse plate 14, when a threshold value is reached, the alarm indicating lamp 15 and the voice alarm can work, the color of the indicating lamp is switched when the alarm indicating lamp 15 works, the voice alarm can give out voice alarm, the alarm function is realized, the air sucked into the shell 7 is discharged into the purification layer 20 through the air outlet, and the air can be adsorbed and purified due to the fact that the purification layer 20 is filled with a plurality of activated carbon particles, the purpose of purification is achieved.

The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications or alterations to this practice will occur to those skilled in the art and are intended to be within the scope of this invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims

1. A high sensitive type fire smoke alarm which characterized in that: the device comprises a mounting plate (1), a shell (7), a detection assembly and an alarm assembly; the mounting plate is characterized in that a plurality of round holes are formed in the surface of the mounting plate (1), mounting screw holes are formed in the centers of the inner parts of the round holes, expansion bolts (2) are arranged in the mounting screw holes, a cover plate (3) is arranged on one side, located at the mounting screw holes, of the surface of the mounting plate (1), the size of the cover plate (3) is matched with that of the round holes, one side of the cover plate (3) is connected with the mounting plate (1) through an elastic piece (4), and the other end of the cover plate (3) is fixedly clamped with the mounting plate (1); the shell (7) is fixedly arranged at the center of the surface of the mounting plate (1), and a detection assembly and an alarm assembly are arranged in the shell (7); the detection assembly comprises an air inlet (8), an air outlet (9), a fan (10) and a smoke sensing port (13); the fan (10) is fixedly installed at the center of the bottom end of the shell (7), a rotating shaft (11) is fixedly connected to the center of the fan (10), and the other end of the rotating shaft (11) is fixedly connected with the output end of the micro motor (12).

2. A highly sensitive fire smoke alarm as defined in claim 1 wherein: the surface of the cover plate (3) is fixedly connected with a clamping block (5), the surface of the mounting plate (1) is correspondingly provided with a clamping groove (6), and the cover plate (3) is fixedly clamped with the mounting plate (1) through the matching of the clamping block (5) and the clamping groove (6).

3. A highly sensitive fire smoke alarm as defined in claim 1 wherein: the surface of the shell (7) is provided with a plurality of air inlets (8) corresponding to the edge of the fan (10), and the side surface of the shell (7) is provided with a plurality of air outlets (9).

4. A highly sensitive fire smoke alarm as defined in claim 3 wherein: the air inlet (8) and the air outlet (9) are both arc-shaped structures.

5. A highly sensitive fire smoke alarm as defined in claim 1 wherein: the inner part of the shell (7) is horizontally fixed with a transverse plate (14), the micro motor (12) is fixedly installed at the center of the surface of the transverse plate (14), and the surface of the transverse plate (14) is positioned at two sides of the micro motor (12) and is provided with smoke sensing openings (13).

6. A highly sensitive fire smoke alarm as defined in claim 1 wherein: the alarm assembly comprises an alarm indicator lamp (15) and a voice broadcaster (16); the mounting groove is opened at shell (7) bottom surface center, and installation is fixed with alarm indicator (15) in the mounting groove.

7. A highly sensitive fire smoke alarm as defined in claim 6 wherein: the installation of voice broadcast ware is fixed in diaphragm (14) surface, sound outlet (17) have been seted up to corresponding voice broadcast ware position department on shell (7) surface.

8. A highly sensitive fire smoke alarm as defined in claim 1 wherein: a fixing ring (18) is arranged on the outer side of the shell (7), the top end of the fixing ring (18) is fixedly connected with the bottom surface of the mounting plate (1), and the bottom end of the fixing ring (18) is fixedly connected with the shell (7) through a retaining ring (19); the baffle ring (19) is fixed with the fixed ring (18) and the shell (7) through clamping.

9. A highly sensitive fire smoke alarm according to claim 8 wherein: a purification layer (20) is arranged between the fixing ring (18) and the shell (7); the purification layer (20) is filled with a plurality of activated carbon particles.

10. A highly sensitive fire smoke alarm as defined in claim 9 wherein: the surface of the fixing ring (18) is provided with a plurality of meshes.