CN218471402U

CN218471402U - Optical receiving device of fire smoke alarm

Info

Publication number: CN218471402U
Application number: CN202222219789.2U
Authority: CN
Inventors: 吴迪
Original assignee: Anhui Chuang'an Fire Technology Co ltd
Current assignee: Anhui Chuang'an Fire Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-02-10
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a conflagration smoke alarm optical receiver, including casing and display screen, first intercommunication groove has been seted up at the top of casing, be equipped with heat dissipation mechanism in the first intercommunication groove, two first mounting groove and second intercommunication groove have been seted up in the casing, two the second intercommunication inslot all is equipped with chucking mechanism, two chucking mechanism's tip all extends to in the heat dissipation mechanism and offsets rather than the inside wall, two all be equipped with pressing mechanism in the first mounting groove, third intercommunication groove has been seted up to the bottom of casing, the third intercommunication inslot is equipped with filtering mechanism. The utility model has the advantages of reasonable design, it can enough dispel the heat to it at the permanent operative installations of staff through setting up heat dissipation mechanism and filter mechanism, and can carry out convenient dismouting to it after long-time the use and overhaul the while, make the device can discern the filtration to the smog of height concentration through filter equipment's setting, hoisting device life.

Description

Optical receiving device of fire smoke alarm

Technical Field

The utility model relates to a fire alarm field especially relates to a fire smoke alarm optical receiver.

Background

In the early stage of fire, a certain amount of smoke is generated under most conditions, open fire generates black smoke consisting of incomplete combustion particles, smoldering fire generates small drop of gray smoke formed by pyrolysis of combustible materials, both the black smoke and the gray smoke can absorb or scatter light irradiated on the smoke, and the smoke concentration can be judged according to the light intensity of a smoke path or according to the light intensity of smoke scattering so as to judge whether the fire occurs or not.

In the prior art, in the process of using the fire smoke alarm, the device can generate heat and scald after long-term operation, if long-term in the past, lead to the device to damage easily, the inside receiving system of device is malfunctioning, and traditional fire smoke alarm smog received signal is not good, and can't filter smog, leads to easily that the inside electronic component of device is impaired, reduction device life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the device does not dispel the heat well and can't carry out the filtration to smog when using fire smoke alarm among the prior art, and the fire smoke alarm optical receiver who provides, its heat dissipation mechanism and filtering mechanism's setting can dispel the heat and can convenient dismouting overhaul to it at the permanent operative installations of staff in, increases filter equipment bottom the device, makes the device can discern the filtration to the smog of high-low concentration, hoisting device life.

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

the utility model provides a conflagration smoke alarm optical receiver, includes casing and display screen, first intercommunication groove has been seted up at the top of casing, be equipped with heat dissipation mechanism in the first intercommunication groove, two first mounting groove and second intercommunication groove have been seted up in the casing, two the second intercommunication inslot all is equipped with chucking mechanism, two chucking mechanism's tip all extends to in the heat dissipation mechanism and offsets rather than the inside wall, two all be equipped with pressing mechanism in the first mounting groove, two pressing mechanism's tip all extends to relative second intercommunication inslot and offsets with chucking mechanism's inside wall, the third intercommunication groove has been seted up to the bottom of casing, be equipped with filter mechanism in the third intercommunication inslot.

Preferably, heat dissipation mechanism includes the first mounting panel of sliding connection in first connecting groove, the draw-in groove has all been seted up to the relative lateral wall of first mounting panel, the inside wall of first mounting panel is equipped with the dust screen.

Preferably, the clamping mechanism comprises a sliding clamping block which is slidably connected in the second communicating groove, a first spring is fixedly connected between one end of the sliding clamping block and the inner side wall of the second communicating groove, and the other end of the sliding clamping block extends into the first mounting plate and is tightly abutted to the inner side wall of the clamping groove.

Preferably, the pressing mechanism comprises an extrusion rod which is slidably connected in the first mounting groove, the top of the extrusion rod is fixedly connected with a pressing plate, and a second spring is fixedly connected between the bottom of the pressing plate and the inner bottom of the first mounting groove.

Preferably, the filter mechanism includes the second mounting panel of fixed mounting in the third intercommunication inslot, a plurality of air vents have been seted up on the second mounting panel, the inside wall fixed mounting of third intercommunication groove has smoke detection layer and strains the gas layer.

Preferably, the smoke detection layer is a smoke identification detection layer capable of identifying smoke generated by smoking and smoke generated by fire.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the setting of heat dissipation mechanism, can dispel the heat to it at the permanent operative installations of staff, and can carry out convenient dismouting to it after long-time the use and overhaul.

2. Through the setting of filtering mechanism, can make the device can discern the smog of high low concentration and filter, hoisting device life.

To sum up, the utility model has the advantages of reasonable design, it can enough dispel the heat to it at the permanent operative installations of staff through setting up heat dissipation mechanism and filter mechanism, and can carry out convenient dismouting to it after long-time the use and overhaul the while, make the device can discern the filtration to the smog of height low concentration through filter equipment's setting, hoisting device life.

Drawings

Fig. 1 is a schematic structural view of an optical receiver of a fire smoke alarm provided by the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view of fig. 1 at B.

In the figure: the device comprises a shell body 1, a display screen 2, an air vent 3, a first connecting groove 4, a first mounting plate 5, a dust screen 6, a clamping groove 7, a second connecting groove 8, a sliding clamping block 9, a first spring 10, a first mounting groove 11, a pressing plate 12, a second spring 13, an extrusion rod 14, a second mounting plate 15, a third connecting groove 16, a smoke detection layer 17 and an air filtering layer 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an optical receiving device of a fire smoke alarm comprises a shell 1 and a display screen 2, wherein a first connecting groove 4 is formed in the top of the shell 1, a heat dissipation mechanism is arranged in the first connecting groove 4, the heat dissipation mechanism comprises a first mounting plate 5 connected in the first connecting groove 4 in a sliding manner, clamping grooves 7 are formed in the opposite side walls of the first mounting plate 5, a dustproof net 6 is arranged on the inner side wall of the first mounting plate 5, and through the arrangement of the heat dissipation mechanism, the device can be cooled when in use and dust is prevented from entering the device to damage electronic elements;

two first mounting grooves 11 and two second communicating grooves 8 are formed in the shell 1, clamping mechanisms are arranged in the two second communicating grooves 8, the end portions of the two clamping mechanisms extend into the heat dissipation mechanism and abut against the inner side walls of the heat dissipation mechanism, each clamping mechanism comprises a sliding clamping block 9 which is connected in the second communicating groove 8 in a sliding mode, a first spring 10 is fixedly connected between one end of each sliding clamping block 9 and the inner side wall of the second communicating groove 8, and the other end of each sliding clamping block 9 extends into the first mounting plate 5 and abuts against the inner side wall of the corresponding clamping groove 7;

the two first mounting grooves 11 are internally provided with pressing mechanisms, the end parts of the two pressing mechanisms extend into the opposite second communicating grooves 8 and abut against the inner side walls of the clamping mechanisms, each pressing mechanism comprises an extrusion rod 14 which is slidably connected into the corresponding first mounting groove 11, the top of each extrusion rod 14 is fixedly connected with a pressing plate 12, a second spring 13 is fixedly connected between the bottom of each pressing plate 12 and the inner bottom of the corresponding first mounting groove 11, and through the arrangement of the clamping mechanisms and the pressing mechanisms, after the device is used for a long time, a worker can press the pressing plates 12 to drive the extrusion rods 14 to extrude the sliding clamping blocks 9 to enable the clamping grooves 7 to be separated from the limitation of the sliding clamping blocks 9, so that the clamping devices can be conveniently disassembled and assembled;

third intercommunication groove 16 has been seted up to casing 1's bottom, is equipped with filtering mechanism in the third intercommunication groove 16, and filtering mechanism includes the second mounting panel 15 of fixed mounting in third intercommunication groove 16, has seted up a plurality of air vents 3 on the second mounting panel 15, and the inside wall fixed mounting of third intercommunication groove 16 has smog detection layer 17 and strain the gas layer 18, and through filtering mechanism's setting, can make the device can discern the filtration to the smog of high-low concentration, hoisting device life.

The utility model discloses its functional principle is explained to the following mode of operation of accessible:

in the utility model, when the worker uses the utility model, the smoke enters the shell 1 through the second mounting plate 15 and the vent hole 3, the smoke detection layer 17 firstly detects and inspects the attribute and the concentration of the smoke, the smoke generated by smoke extraction and the smoke generated by fire are screened, if the smoke generated by smoke extraction is detected, the smoke detection layer 17 dilutes and absorbs the smoke, and then the smoke enters the air filtering layer 18, and the smoke generated by fire can not be blocked by the smoke detection layer 17 when encountering the smoke generated by fire, passes through the air filtering layer 18 and triggers alarm, and absorbs harmful substances in the period, thereby preventing the damage of electronic elements in the device; and after long-time use of the device, the staff carries out dismouting maintenance to first mounting panel 5 and dust screen 6 through the demand, and the staff presses down pressing plate 12 and can drive 14 displacements downwards of pressure ram, and the pressure ram 14 is several pages of slip fixture blocks 9, makes slip fixture block 9 outwards return and contracts for the staff can take off first mounting panel 5 and overhaul the clearance, and the dismouting is convenient.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a conflagration smoke alarm optical receiver, includes casing (1) and display screen (2), its characterized in that, first intercommunication groove (4) have been seted up at the top of casing (1), be equipped with heat dissipation mechanism in first intercommunication groove (4), seted up two first mounting groove (11) and second intercommunication groove (8) in casing (1), two all be equipped with chucking mechanism in second intercommunication groove (8), two chucking mechanism's tip all extends to in the heat dissipation mechanism and offsets rather than the inside wall, two all be equipped with pressing means in first mounting groove (11), two pressing means's tip all extends to in relative second intercommunication groove (8) and offsets with the inside wall of chucking mechanism, third intercommunication groove (16) have been seted up to the bottom of casing (1), be equipped with filtering mechanism in third intercommunication groove (16).

2. A fire smoke alarm optical receiver according to claim 1, wherein the heat dissipation mechanism comprises a first mounting plate (5) slidably connected in the first connecting groove (4), the opposite side walls of the first mounting plate (5) are provided with clamping grooves (7), and the inner side walls of the first mounting plate (5) are provided with dust screens (6).

3. A fire smoke alarm optical receiver according to claim 2, wherein the clamping mechanism comprises a sliding block (9) slidably connected in the second communicating groove (8), a first spring (10) is fixedly connected between one end of the sliding block (9) and the inner side wall of the second communicating groove (8), and the other end of the sliding block (9) extends into the first mounting plate (5) and abuts against the inner side wall of the clamping groove (7).

4. A fire smoke alarm optical receiver according to claim 3, wherein said pressing mechanism comprises a pressing rod (14) slidably connected in the first mounting groove (11), a pressing plate (12) is fixedly connected to the top of said pressing rod (14), and a second spring (13) is fixedly connected between the bottom of said pressing plate (12) and the inner bottom of the first mounting groove (11).

5. A fire smoke alarm optical receiver according to claim 1, wherein said filter mechanism comprises a second mounting plate (15) fixedly mounted in a third communicating groove (16), said second mounting plate (15) is provided with a plurality of air holes (3), and the inner side wall of said third communicating groove (16) is fixedly mounted with a smoke detection layer (17) and an air filter layer (18).

6. A fire smoke alarm optical receiver according to claim 5, wherein said smoke detection layer (17) is a smoke discrimination detection layer capable of discriminating between smoke generated by smoking and smoke generated by fire.