CN218585431U

CN218585431U - Point type photoelectric smoke fire detector for fire alarm

Info

Publication number: CN218585431U
Application number: CN202221214754.3U
Authority: CN
Inventors: 程海燕; 张玄猛; 陈鹏飞; 党柱航
Original assignee: Shaanxi Anyue Intelligent Technology Group Co ltd
Current assignee: Shaanxi Anyue Intelligent Technology Group Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-03-07
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a fire alarm is with some photoelectricity smoke detector, including the casing, the surperficial bottom fixedly connected with cambered surface filter screen of casing, the inside central position of casing passes through support fixedly connected with light transmitter, the inner wall bottom central position of casing is provided with the light target, the corresponding both sides of shells inner wall all are provided with blows heat abstractor, the inner wall one side of casing and the position that is close to blow heat abstractor are provided with the controller, the top central position of casing is provided with the top cap device, the corresponding both sides in casing surface top all are provided with the mounting base, the utility model relates to a fire alarm equipment technical field. This point type photoelectric smoke fire detector for fire alarm has reached the effect of automatic clearance, can in time give off the heat to in time handle the dust that carries in the flue gas, reduce the influence of high temperature, dust to components and parts, and carry out self-cleaning, safe and reliable has improved work efficiency and performance.

Description

Point type photoelectric smoke fire detector for fire alarm

Technical Field

The utility model relates to a fire alarm technical field specifically is a fire alarm is with some type photoelectric smoke fire detector.

Background

The point type smoke detector takes smoke as a main detection object and is suitable for places with smoldering stages in the initial stage of a fire. A smoke fire detector is a type of fire detector that responds to solid particles generated by combustion or heat medium. The smoke detector can be classified into an ionic type, a photoelectric type, a laser type, a capacitive type semiconductor type, and the like, according to the nature or strength of some physical quantities which can be directly or indirectly changed by smoke particles.

At present, current some type photoelectric sensing cigarette fire detector structure is too simple, has great limitation, when the particle concentration in the smog is not enough to let the detector send alarm signal, the detector then can't in time accomplish the warning, has great potential safety hazard, and along with long-time use, and the flue gas of high temperature for inside components and parts heat is difficult for giving off, the condition of burning out appears easily, leads to the unable normal work of whole equipment, has reduced performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a fire alarm is with some photoelectric smoke fire detector, it is too simple to have solved current some photoelectric smoke fire detector structure, there is great limitation, when the particle concentration in smog is not enough to let the detector send alarm signal, the detector then can't in time accomplish the warning, there is great potential safety hazard, and along with long-time use, and the flue gas of high temperature, make the inside components and parts heat be difficult for giving off, the condition of burning out appears easily, lead to the unable normal work of whole equipment, the problem of usability has been reduced.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a point type photoelectric smoke fire detector for fire alarm comprises a shell, wherein the bottom of the shell is arranged to be spherical, a cambered surface filter screen is fixedly connected to the bottom of the surface of the shell, a light emitter is fixedly connected to the central position inside the shell through a support, a light target is arranged at the central position of the bottom of the inner wall of the shell, blowing heat dissipation devices are arranged on two corresponding sides of the inner wall of the shell, a controller is arranged on one side of the inner wall of the shell and close to the blowing heat dissipation devices, a top cover device is arranged at the central position of the top of the shell, mounting bases are arranged on two corresponding sides of the top of the shell, fixing holes are formed in the top of the mounting bases and close to the edge positions, the whole device is mounted and fixed through the fixing holes in the edge of the top of the mounting bases, and then make whole device more stable, and control whole components and parts through the controller, blow through blowing heat abstractor to casing inner wall air, and then utilize the negative pressure to inhale the flue gas, and in time filter the foreign particle in the flue gas through the filter screen, along with the circulation of air, the gathering to granule impurity in the flue gas with higher speed, and utilize smoke concentration to shelter from light, the unable light that sends of accepting the light transmitter of light target this moment, and form signal transmission, and through the light condition of accepting in the light target, the fixed point carries out smog warning detection, whole device can gather the granule in the smog fast, and then in time report to the police, so that adapt to the condition that granule concentration is not enough, components and parts in time dispel the heat simultaneously, reduce the influence that receives the high temperature, safety and reliability, and high work efficiency and performance have been improved.

Preferably, the cambered surface filter screen is uniformly distributed at the bottom of the surface of the shell, and a notch is formed at the bottom of the surface of the shell and at the position of the cambered surface filter screen.

Preferably, the blowing heat dissipation device comprises a support piece, the bottom end of the support piece is fixedly connected with the inner wall of the shell, the surface end part of the support piece is fixedly connected with a miniature power mechanism, the output end of the miniature power mechanism is provided with a rotating shaft, one end of the rotating shaft is fixedly connected with fan blades, when the miniature power mechanism drives the rotating shaft to rotate, the fan blades can also rotate together at the moment, air in the shell is blown, the air is blown outwards from a U-shaped pipe on the top cover device, negative pressure is formed in the shell, the outside air passes through a filter screen and enters the shell, air circulation is utilized, particle impurities carried by smoke are gathered and filtered with acceleration, light blocking is facilitated, alarming is quick and accurate, meanwhile, heat generated during working of the heat in the smoke and components is timely dissipated along with convection of the air, high-temperature influence is not easily caused, and mutual interaction between structures is utilized, and service performance is improved.

Preferably, the top cap device includes the apron main part, the top joint of the surperficial edge of apron main part and casing, apron main part surface edge and the corresponding position threaded connection in casing top have locking screw, the top fixedly connected with U-shaped pipe of apron main part, the one end and the casing intercommunication of U-shaped pipe, the inside of U-shaped pipe just is close to the dustproof cotton of tip position fixedly connected with toper, installs and dismantles the apron main part through locking screw, and then the operation is convenient fast, helps the maintenance to whole device, blows along with the flabellum to the air in the casing simultaneously, and then through the water conservancy diversion of U-shaped pipe, helps air cycle, can in time give off the heat to the tip that combines the U-shaped pipe is downward, makes external dust difficult for entering into the casing, and under the dustproof effect of the dustproof cotton of toper, further can play dirt-proof effect, utilize the interact between the structure, the interrelationship, multiple functions have been realized, and safe and reliable has improved performance.

Preferably, the locking screws are uniformly distributed on the edge of the surface of the cover plate main body, and internal threads matched with the locking screws are arranged at the positions, corresponding to the top of the shell, of the edge of the surface of the cover plate main body.

Preferably, the U-shaped pipes are uniformly distributed at the top of the cover plate main body, and the end parts of the U-shaped pipes are downward.

The utility model provides a fire alarm is with some photoelectric smoke fire detector of type. Comprises the following

Has the advantages that:

1. this point type photoelectric smoke fire detector for fire alarm, through the casing, the cambered surface filter screen, light emitter, the light target, blow heat abstractor, a controller, the top cap device, the mounting base, the fixed orifices, fixed orifices is installed whole device through the fixed orifices of mounting base top edge and is fixed, and then make whole device more stable, and control whole components and parts through the controller, blow casing inner wall air through blowing heat abstractor, and then utilize the negative pressure to inhale the flue gas, and in time filter the impurity granule in the flue gas through the filter screen, circulation along with the air, the gathering to granule impurity in the flue gas with higher speed, and utilize smoke concentration to shelter from light, the light that light emitter sent can't be accepted to the light target this moment, and form signal transmission, and through the light condition of accepting in the light target, the fixed point smoke alarm detection, whole device can gather the granule in the smog fast, and then report to the police, so as to adapt to the condition that the granule concentration is not enough, in time the heat dissipation is in the while, reduce and receive the influence of high temperature, safety and reliability, work efficiency and performance are improved in time.

2. This point type photoelectric smoke fire detector for fire alarm, through support piece, miniature power unit, the apparatus further comprises a rotating shaft, the flabellum, when miniature power unit drives the pivot and rotates, the flabellum also can rotate along with together this moment, and then blow the air in the casing, and blow out to the outside from the U-shaped pipe department on the top cap device, and then make and form the negative pressure in the casing, external air passes in the filter screen entering casing this moment, the entering utilizes air cycle, it filters to gather to the particle impurity that the flue gas carried with higher speed, and then help blockking light, and then make the warning quick accurate, simultaneously along with the convection current of air, in time give off the heat that heat in the flue gas and components and parts during operation produced, be difficult for receiving the influence of high temperature, utilize the interrelation between the structure, and interaction, service performance is improved.

3. This point type photoelectric smoke fire detector for fire alarm, through the apron main part, locking screw, the U-shaped pipe, the dustproof cotton of toper, install and dismantle the apron main part through locking screw, and then the operation is convenient fast, help the maintenance to whole device, simultaneously blow along with the flabellum to the internal air of casing, and then the water conservancy diversion through the U-shaped pipe, help air cycle, can in time give off the heat, and the tip that combines the U-shaped pipe is downward, make external dust difficult to enter into the casing, and under the dustproof effect of the dustproof cotton of toper, further can play dirt-proof effect, utilize interact between the structure, the interrelation, multiple functions have been realized, safety and reliability, service performance is improved.

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 present invention;

FIG. 3 is a schematic view of the blowing heat sink of the present invention;

fig. 4 is a schematic structural view of the top cover device of the present invention.

In the figure: the device comprises a shell 1, a cambered surface filter screen 2, a light ray emitter 3, a light target 4, a blowing heat dissipation device 5, a controller 6, a top cover device 7, an installation base 8, a fixing hole 9, a 51 supporting piece, a 52 miniature power mechanism, a 53 rotating shaft, a 54 fan blade, a 71 cover plate main body, a 72 locking screw, a 73U-shaped pipe and 74 conical dustproof cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the specification, 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. 1-4, the present invention provides a technical solution: a point type photoelectric smoke fire detector for fire alarm comprises a shell 1, the bottom of the shell 1 is spherical, the surface bottom of the shell 1 is fixedly connected with a cambered surface filter screen 2, the inner central position of the shell 1 is fixedly connected with a light emitter 3 through a support, the inner wall bottom central position of the shell 1 is provided with a light target 4, two corresponding sides of the inner wall of the shell 1 are provided with blowing heat dissipation devices 5, one side of the inner wall of the shell 1 and a position close to the blowing heat dissipation devices 5 are provided with a controller 6, the top central position of the shell 1 is provided with a top cover device 7, two corresponding sides of the top of the shell 1 are provided with mounting bases 8, the top of the mounting bases 8 and a position close to the edge are provided with fixing holes 9, the whole device is mounted and fixed through the fixing holes 9 at the top edge of the mounting bases 8, and the whole device is more stable, and control whole components and parts through controller 6, blow 5 through blowing heat abstractor to casing 1 inner wall air, and then utilize the negative pressure to inhale the flue gas, and in time filter the impurity granule in the flue gas through filter screen 2, along with the circulation of air, the gathering to granule impurity in the flue gas with higher speed, and utilize smoke concentration to shelter from light, the light that light emitter 3 sent can't be accepted to light target 4 this moment, and form signal transmission, and through the light condition of accepting in the light target 4, the fixed point carries out smog warning and surveys, whole device can gather the granule in the smog fast, and then in time report to the police, so that adapt to the condition that granule concentration is not enough, in time dispel the heat simultaneously, reduce and receive the influence of high temperature, safety and reliability, work efficiency and performance have been improved.

Cambered surface filter screen 2 evenly distributed is at the surface bottom of casing 1, and the breach has been seted up to the surface bottom of casing 1 and the position that is located cambered surface filter screen 2.

Blowing heat abstractor 5 includes support piece 51, support piece 51's bottom and casing 1's inner wall fixed connection, support piece 51's surperficial tip fixedly connected with miniature power unit 52, miniature power unit 52's output is provided with pivot 53, the one end fixedly connected with flabellum 54 of pivot 53, when miniature power unit 52 drives pivot 53 and rotates, flabellum 54 also can rotate along with together this moment, and then blow the air in casing 1, and blow out to the outside from U-shaped pipe 73 on top cap device 7, and then make the casing 1 internal negative pressure that forms, outside air passes filter screen 2 and enters into casing 1 this moment, the entering utilizes air cycle, gather the filtration with higher speed to the particle impurity that the flue gas carried, and then help the blockking to light, and then make the warning quick accuracy, simultaneously along with the convection current of air, in time with the heat that heat in the flue gas and the heat that components and parts during operation produced in time give off, be difficult for receiving the influence of high temperature.

The top cover device 7 comprises a cover plate main body 71, the surface edge of the cover plate main body 71 is clamped with the top of the shell 1, the surface edge of the cover plate main body 71 is in threaded connection with a locking screw 72 at a position corresponding to the top of the shell 1, a U-shaped pipe 73 is fixedly connected to the top of the cover plate main body 71, one end of the U-shaped pipe 73 is communicated with the shell 1, conical dustproof cotton 74 is fixedly connected to the inner part of the U-shaped pipe 73 and a position close to the end part of the U-shaped pipe 73, the cover plate main body 71 is installed and detached through the locking screw 72, the operation is rapid and convenient, the maintenance of the whole device is facilitated, meanwhile, air in the shell 1 is blown along with the fan blades 54, air circulation is facilitated through the flow guide of the U-shaped pipe 73, heat can be timely dissipated, and the end part of the U-shaped pipe 73 is downward, so that external dust is not easy to enter the shell 1, under the dustproof effect of the conical dustproof cotton 74, the dustproof effect can be further achieved, the mutual interaction between structures and the mutual connection, multiple functions are achieved, safety and reliability are achieved, and the usability is improved.

The locking screws 72 are evenly distributed on the edge of the surface of the cover plate main body 71, and the edge of the surface of the cover plate main body 71 corresponding to the top of the shell 1 is provided with internal threads matched with the locking screws 72.

The U-shaped pipes 73 are uniformly distributed at the top of the cover plate main body 71, and the end parts of the U-shaped pipes 73 are downward, so that external dust impurities can be effectively prevented from falling into the cover plate main body.

When the device is used, the whole device is fixedly installed through the fixing hole 9 at the top edge of the installation base 8, so that the whole device is more stable, the whole component is controlled through the controller 6, the air on the inner wall of the shell 1 is blown through the blowing heat dissipation device 5, so that the smoke is sucked through negative pressure, impurity particles in the smoke are timely filtered through the filter screen 2, along with the circulation of the air, the gathering of particle impurities in the smoke is accelerated, the light is shielded through smoke concentration, at the moment, the light emitted by the light emitter 3 cannot be received by the light target 4, signal transmission is formed, the situation that the particles in the smoke are received through the light in the light target 4 is detected in a smoke alarm mode at a fixed point, the whole device can quickly gather the particles in the smoke, so that the alarm can be timely performed, and the situation that the particle concentration is insufficient is adapted, when the micro power mechanism 52 drives the rotating shaft 53 to rotate, at this time, the fan blades 54 also rotate together, so as to blow the air in the casing 1, and blow the air outwards from the U-shaped pipe 73 on the top cover device 7, so as to form a negative pressure in the casing 1, at this time, the outside air passes through the filter screen 2 and enters the casing 1, enters into the air circulation to accelerate the aggregation and filtration of particle impurities carried by the flue gas, so as to help to block the light, so as to make the alarm fast and accurate, and simultaneously, along with the convection of the air, the heat in the flue gas and the heat generated during the operation of the components are timely dissipated, so as to be not easily affected by high temperature, and the cover plate main body 71 is installed and detached through the locking screw 72, so as to be fast and convenient to operate, help to maintain the whole device, and simultaneously, along with the blowing of the fan blades 54 to the air in the casing 1, and then the water conservancy diversion through U-shaped pipe 73 helps air circulation, can in time give off the heat to the tip that combines U-shaped pipe 73 is downward, makes in the difficult entering casing 1 of external dust, and under the dustproof effect of the dustproof cotton 74 of toper, further can play dirt-proof effect, utilizes interact between the structure, and the correlation has realized multiple functions, safe and reliable has improved performance.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The utility model provides a fire alarm is with some photoelectric smoke detector, includes casing (1), its characterized in that: the bottom of casing (1) sets up to the ball form, the surperficial bottom fixedly connected with cambered surface filter screen (2) of casing (1), the inside central point of casing (1) puts through support fixedly connected with light emitter (3), the inner wall bottom central point of casing (1) puts and is provided with light target (4), the corresponding both sides of casing (1) inner wall all are provided with blows heat abstractor (5), the inner wall one side of casing (1) and the position that is close to blow heat abstractor (5) are provided with controller (6), the top central point of casing (1) puts and is provided with top cap device (7), the corresponding both sides in casing (1) surperficial top all are provided with mounting base (8), the top of mounting base (8) just is close to the border position and has seted up fixed orifices (9).

2. The photoelectric fire detector of claim 1, wherein: cambered surface filter screen (2) evenly distributed is at the surface bottom of casing (1), the position that just is located cambered surface filter screen (2) is seted up jaggedly in the surface bottom of casing (1).

3. The photoelectric fire detector of claim 1, wherein: blow heat abstractor (5) and include support piece (51), the bottom of support piece (51) and the inner wall fixed connection of casing (1), the surperficial tip fixedly connected with miniature power unit (52) of support piece (51), the output of miniature power unit (52) is provided with pivot (53), the one end fixedly connected with flabellum (54) of pivot (53).

4. The photoelectric fire detector of claim 1, wherein: the top cover device (7) comprises a cover plate main body (71), the surface edge of the cover plate main body (71) is connected with the top of the shell (1) in a clamped mode, the surface edge of the cover plate main body (71) is connected with a locking screw (72) through threads at the corresponding position of the top of the shell (1), the top of the cover plate main body (71) is fixedly connected with a U-shaped pipe (73), one end of the U-shaped pipe (73) is communicated with the shell (1), and the inside of the U-shaped pipe (73) is close to end position fixedly connected with conical dustproof cotton (74).

5. The photoelectric smoke fire detector of claim 4, wherein: the locking screws (72) are uniformly distributed on the edge of the surface of the cover plate main body (71), and internal threads matched with the locking screws (72) are formed in the positions, corresponding to the top of the shell (1), of the edge of the surface of the cover plate main body (71).

6. The photoelectric smoke fire detector of claim 4, wherein: the U-shaped pipes (73) are uniformly distributed at the top of the cover plate main body (71), and the ends of the U-shaped pipes (73) are downward.