CN210777047U

CN210777047U - Novel smoke detector

Info

Publication number: CN210777047U
Application number: CN201921945357.1U
Authority: CN
Inventors: 余文旭; 蔡伟雄; 赖育辉; 黄伟鑫
Original assignee: Guangdong Huaye Fire Intelligent Engineering Co ltd
Current assignee: Guangdong Huaye Fire Intelligent Engineering Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-16
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a novel smoke detector, including last casing and the lower casing that can dismantle the connection, the casing bottom evenly is equipped with the hole of ventilating, is equipped with the through wires hole in last casing top center department, is equipped with smoke sensing circuit board and bee calling organ in last casing, and smoke sensing circuit board hangs through the jib and connects fixedly at the inboard top of last casing, at the inboard top fixed connection pipe of last casing, and smoke sensing circuit board sets up in the pipe, at pipe lower extreme fixed connection mounting panel, is equipped with the mounting hole on the mounting panel, is equipped with the fan in the mounting hole, and the hole of induced drafting of fan sets up down. The utility model has the advantages that: the smoke detector can quickly absorb outside smoke to the inner part of the circular tube through the fan, so that the smoke absorption speed of the smoke detector can be increased, and the smoke detector can give an alarm at the first time; a certain gap is formed between the smoke sensing circuit board and the top of the upper shell, so that a fire-fighting signal line and a power line can be conveniently penetrated; and the internal ash of the smoke detector can be effectively prevented from entering the smoke detector to delay alarming.

Description

Novel smoke detector

Technical Field

The utility model relates to a fire alarm technical field specifically is a novel smoke detector.

Background

The smoke detector is suitable for fire alarm in places such as houses, shops, dance halls, warehouses and the like. The process of fire is generally accompanied by smoke, heat and light. In the initial stage of a fire, since the temperature is low, substances are mostly in a smoldering stage, and therefore, a large amount of smoke is generated. Smoke is one of the important characteristics of early fires, and smoke-sensitive fire detectors have been developed using this characteristic to respond to visible or invisible smoke particles. The smoke concentration change at the detection part is converted into an electric signal to realize the purpose of alarming. Therefore, the smoke detector is the alarm which gives an alarm at first, and in the prior art, the distance between every two adjacent smoke detectors is set according to the building construction fire prevention standard, when a fire point is positioned between the two smoke detectors, because the distance between the fire point and the two smoke detectors is far away, when the smoke is large, the smoke concentration sensed by the smoke detectors can give an alarm, the time of fire alarm can be delayed, and the safety of the whole fire protection system is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel smoke detector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel smoke detector, including last casing and the lower casing that can dismantle the connection, the casing bottom evenly is equipped with the hole of ventilating, be equipped with the through wires hole in last casing top center department, be equipped with smoke in last casing and feel circuit board and bee calling organ, the circuit board is felt to the smoke and hangs through the jib and connect and fix at the inboard top of last casing, at the inboard top fixed connection pipe of last casing, the circuit board setting is felt to the smoke in the pipe, at pipe lower extreme fixed connection mounting panel, be equipped with the mounting hole on the mounting panel, be equipped with the fan in the mounting hole, the hole of induced drafting of fan sets up down.

Preferably, go up a plurality of stands of the even fixed connection in inboard top of casing, every stand lower extreme all is equipped with the slot, and the tank bottom department of every slot all is equipped with the fixed orifices, and the fixed orifices runs through stand and last casing.

Preferably, a plurality of posts of inserting of inferior valve internal side bottom fixed connection, insert the post and set up with the slot one-to-one, every post of inserting all can peg graft and fix in the slot.

Preferably, the bottom of the lower shell is provided with a filter screen.

Preferably, the filter screen is fixed in the bottom of the lower shell through a protective shell, the protective shell is detachably connected with the lower shell, and an opening is formed in the bottom of the protective shell.

Compared with the prior art, the beneficial effects of the utility model are that: the smoke detector can quickly absorb outside smoke to the inner part of the circular tube through the fan, so that the smoke absorption speed of the smoke detector can be increased, and the smoke detector can give an alarm at the first time; a certain gap is formed between the smoke sensing circuit board and the top of the upper shell, so that a fire-fighting signal line and a power line can be conveniently penetrated; and the internal ash of the smoke detector can be effectively prevented from entering the smoke detector to delay alarming.

Drawings

Fig. 1 is a schematic structural diagram of a novel smoke detector provided by the present invention;

fig. 2 is a schematic diagram of the exploded structure of fig. 1.

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. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 and 2, the utility model relates to a novel smoke detector, including last casing 1 and lower casing 5, go up a plurality of stands 4 of the even fixed connection in the inboard top of casing 1, every stand 4 lower extreme all is equipped with slot 41, and the tank bottom department of every slot 41 all is equipped with fixed orifices 42, and fixed orifices 42 run through stand 4 and last casing 1. When the installation is carried out, the upper case 1 is installed and fixed on the top of the wall by screws, which pass through the fixing holes 42. The inboard bottom fixed connection of lower casing 5 is a plurality of posts 6 of inserting, inserts post 6 and slot 41 one-to-one setting, and every post 6 of inserting all can be pegged graft and fix in slot 41. The upper shell 1 and the lower shell 5 are detachably connected through the insertion of the insertion column 6 and the insertion slot 41.

Evenly be equipped with the hole 51 of ventilating cigarette in 5 bottoms of casing down, when the conflagration takes place, smog can be through ventilating cigarette hole 51 will get into the smoke detector in, be equipped with cigarette in last casing 1 and feel circuit board 3 and bee calling organ, and the circuit board is felt to the cigarette 3 and bee calling organ is prior art, no longer gives details here, is equipped with through wires hole 11 in the center of 1 tops of last casing, and fire control signal line penetrates in the smoke detector from through wires hole 11 with the power cord. The smoke sensing circuit board 3 is hung and connected with the top of the inner side of the upper shell 1 through the hanging rod 31, so that a certain gap exists between the smoke sensing circuit board 3 and the top of the upper shell 1, and a fire signal line and a power line can be conveniently penetrated.

The round pipe 2 is fixedly connected to the top of the inner side of the upper shell 1, the smoke sensing circuit board 3 is arranged in the round pipe 2, and the smoke sensing circuit board 3 is surrounded in a small space through the round pipe 2, so that the content of smoke in unit area can be improved, and an alarm can be given as soon as possible when the alarm concentration is reached. The lower end of the circular tube 2 is fixedly connected with a mounting plate 21, the mounting plate 21 is provided with a mounting hole, a fan 22 is arranged in the mounting hole, and an air suction hole of the fan 22 is arranged downwards. The fan 22 adopts an axial flow fan, can absorb outside smog to the inside of the circular tube 2 through the fan 22 fast, can accelerate the speed that this sense smoke detector absorbs smog for it can report to the police in the very first time.

In order to prevent the smoke detector from delaying alarm caused by ash entering, a filter screen 8 is arranged at the bottom of the lower shell 5. Filter screen 8 is fixed in casing 5 bottom down through protective housing 7, and the casing 5 outside is equipped with the external screw thread down, and protective housing 7 inboard is equipped with the internal thread, and the external screw thread in the casing 5 outside and the internal thread of protective housing 7 inboard can screw-thread fit down, and protective housing 7 and casing 5 realize dismantling with the external screw thread through threaded connection's internal thread and be connected down, and protective housing 7 bottom is equipped with opening 71. When dust is too much on the filter screen 8, the filter screen 8 can be replaced by detaching the protective shell 7, and the dust removal device is convenient and quick.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel smoke detector, includes last casing (1) and lower casing (5) that can dismantle the connection, evenly is equipped with ventilative hole (51) casing (5) bottom down go up casing (1) top center department and be equipped with through wires hole (11) it feels circuit board (3) and bee calling organ, its characterized in that to be equipped with the cigarette in last casing (1): cigarette is felt circuit board (3) and is hung through jib (31) and connect and fix at last casing (1) inboard top go up casing (1) inboard top fixed connection pipe (2), cigarette is felt circuit board (3) and sets up in pipe (2) lower extreme fixed connection mounting panel (21) be equipped with the mounting hole on mounting panel (21) fan (22) are equipped with in the mounting hole, the hole of induced drafting of fan (22) sets up down.

2. A novel smoke detector as defined in claim 1 wherein: go up a plurality of stands of the even fixed connection in inboard top of casing (1) (4), every stand (4) lower extreme all is equipped with slot (41), and the tank bottom department of every slot (41) all is equipped with fixed orifices (42), fixed orifices (42) run through stand (4) and last casing (1).

3. A novel smoke detector as claimed in claim 2 wherein: the bottom of the inner side of the lower shell (5) is fixedly connected with a plurality of inserting columns (6), the inserting columns (6) are arranged in a one-to-one correspondence mode with the inserting grooves (41), and each inserting column (6) can be inserted and fixed into the inserting groove (41).

4. A novel smoke detector as claimed in claim 1, 2 or 3 wherein: and a filter screen (8) is arranged at the bottom of the lower shell (5).

5. The novel smoke detector of claim 4, wherein: filter screen (8) are fixed through protective housing (7) casing (5) bottom down, protective housing (7) with casing (5) are for dismantling the connection down, protective housing (7) bottom is equipped with opening (71).