阅读说明：本技术 一种火灾探测装置 (Fire detection device ) 是由 苏亚丽 史童威 马玉 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种火灾探测装置,包括安装壳、主光电烟感探测器和辅助光电烟感探测器,其中：主光电烟感探测器安装在安装壳的下底面；安装壳具有烟感腔,安装壳的下底面开有连接通孔,连接通孔与烟感腔连通；辅助光电烟感探测器设有多个,且多个辅助光电烟感探测器安装在烟感腔内并分布在主光电烟感探测器的周围。本发明中,所提出的火灾探测装置,房顶上开有与安装壳匹配的安装槽,当发生火灾后有烟雾进入到该房间后,烟雾通过连接孔进入到烟感腔,且烟雾首先触发的辅助光电烟感探测器即可表明其火源位于首先触发的辅助光电烟感探测器方向。(The invention discloses a fire detection device, which comprises an installation shell, a main photoelectric smoke detector and an auxiliary photoelectric smoke detector, wherein: the main photoelectric smoke detector is arranged on the lower bottom surface of the mounting shell; the mounting shell is provided with a smoke sensing cavity, the lower bottom surface of the mounting shell is provided with a connecting through hole, and the connecting through hole is communicated with the smoke sensing cavity; the auxiliary photoelectric smoke detector is provided with a plurality of auxiliary photoelectric smoke detectors, and the auxiliary photoelectric smoke detectors are arranged in the smoke detection cavity and distributed around the main photoelectric smoke detector. According to the fire detection device, the roof is provided with the mounting groove matched with the mounting shell, smoke enters the smoke sensing cavity through the connecting hole after the smoke enters a room after a fire happens, and the auxiliary photoelectric smoke sensing detector triggered by the smoke firstly can indicate that a fire source of the auxiliary photoelectric smoke sensing detector is positioned in the direction of the auxiliary photoelectric smoke sensing detector triggered firstly.)

1. The utility model provides a fire detection device which characterized in that, feels detector (3) including installation shell (1), main light electric smoke and feels detector (2) and supplementary photoelectricity smoke, wherein:

the main photoelectric smoke detector (2) is arranged on the lower bottom surface of the mounting shell (1);

the mounting shell (1) is provided with a smoke sensing cavity (100), the lower bottom surface of the mounting shell (1) is provided with a connecting through hole (101), and the connecting through hole (101) is communicated with the smoke sensing cavity (100);

the auxiliary photoelectric smoke detector (3) is provided with a plurality of auxiliary photoelectric smoke detectors (3), and the auxiliary photoelectric smoke detectors (3) are arranged in the smoke detection cavity (100) and distributed around the main photoelectric smoke detector (2).

2. A fire detection device according to claim 1, further comprising a plurality of sets of horizontal moving mechanisms (4), wherein the horizontal moving mechanisms (4) are provided, and one set of horizontal moving mechanisms (4) drives one auxiliary photoelectric smoke detector (3) to move horizontally towards or away from the main photoelectric smoke detector (2).

3. A fire detection device as claimed in claim 2, wherein when one of the auxiliary photoelectric smoke detectors (3) detects smoke and the other auxiliary photoelectric smoke detectors (3) do not detect smoke, the horizontal moving mechanism (4) moves the auxiliary photoelectric smoke detector (3) which does not detect smoke in a direction close to the main photoelectric smoke detector (2).

4. A fire detection device as claimed in claim 2, further comprising a sliding block (5), the sliding block (5) being connected to the moving part of the horizontal moving mechanism (4), the auxiliary photoelectric smoke detector (3) being mounted on the sliding block (5).

5. A fire detection device as claimed in claim 4, wherein the slider (5) has a warning light (6) mounted thereon.

6. A fire detection device as claimed in claim 5, wherein the housing has at least a plurality of transparent locations, the transparent locations being opposite the plurality of warning lights (6).

7. A fire detection device as claimed in claim 6, wherein the transparent positions comprise a first transparent position (102) and a second transparent position (103), the first transparent position (102) being opposite the warning light (6) when the horizontal movement mechanism (4) does not move the slider (5), and the second transparent position (103) being opposite the warning light (6) when the horizontal movement mechanism (4) moves the slider (5) to the end closest to the main light smoke detector (2).

8. A fire detection device as claimed in any one of claims 1 to 7, characterised in that one auxiliary photoelectric smoke detector (3) is disposed opposite another auxiliary photoelectric smoke detector (3) on either side of the main photoelectric smoke detector (2).

9. A fire detection device according to any of claims 1 to 7, wherein a plurality of the connecting through-holes (101) are provided, one connecting through-hole (101) being opposed to one auxiliary photoelectric smoke detector (3).

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a fire detection device.

Background

The fire detector is a device for detecting the scene and finding out the fire in the fire-fighting automatic fire alarm system. Fire detectors are the "sense organs" of the system and function to monitor the environment for the presence or absence of a fire. The existing fire detector is mainly a photoelectric smoke detector which is arranged on a roof and can be triggered when smoke appears in a fire. The existing fire detector cannot judge the direction from which smoke is transmitted, and is inconvenient for people to escape from an exit far away from a fire source because a building has a plurality of escape exits.

Disclosure of Invention

In order to solve the technical problems in the background art, the invention provides a fire detection device.

The invention provides a fire detection device, which comprises an installation shell, a main photoelectric smoke detector and an auxiliary photoelectric smoke detector, wherein:

the main photoelectric smoke detector is arranged on the lower bottom surface of the mounting shell;

the mounting shell is provided with a smoke sensing cavity, the lower bottom surface of the mounting shell is provided with a connecting through hole, and the connecting through hole is communicated with the smoke sensing cavity;

the auxiliary photoelectric smoke detector is provided with a plurality of detectors, and the auxiliary photoelectric smoke detectors are arranged in the smoke detection cavity and distributed around the main photoelectric smoke detector;

preferably, the connecting through holes are provided in plurality, and one connecting through hole is opposite to one auxiliary photoelectric smoke detector.

As a further optimized scheme of the invention, the smoke detector further comprises a plurality of groups of horizontal moving mechanisms, one group of horizontal moving mechanisms drives one auxiliary photoelectric smoke detector to horizontally move towards or away from the main photoelectric smoke detector, and the horizontal moving mechanisms can be electric jars, air cylinders, screw rod sliding blocks and other mechanisms in the prior art, so that the auxiliary photoelectric smoke detector can sequentially sense smoke.

As a further optimized scheme of the invention, when one auxiliary photoelectric smoke detector detects smoke and other auxiliary photoelectric smoke detectors do not detect smoke, the horizontal moving mechanism drives the auxiliary photoelectric smoke detector which does not detect smoke to move towards the direction close to the main photoelectric smoke detector, so that the background can more accurately determine the direction of the smoke source.

In order to facilitate the installation of the auxiliary photoelectric smoke detector, the photoelectric smoke detector further comprises a sliding block which is connected with a moving part of the horizontal moving mechanism, and the auxiliary photoelectric smoke detector is installed on the sliding block.

In order to facilitate a user to determine the auxiliary photoelectric smoke detector as a further optimized scheme of the invention, the sliding block is provided with a warning lamp.

In order to facilitate observation of the positions of the warning lamps and determination of the escape direction, as a further optimized scheme of the invention, the shell is at least provided with a plurality of transparent positions, and the transparent positions are opposite to the warning lamps.

In order to facilitate a user to observe the position of the auxiliary photoelectric smoke detector and further determine the direction of the smoke source, as a further optimized scheme of the invention, the transparent positions comprise a first transparent position and a second transparent position, the first transparent position is opposite to the warning lamp when the horizontal moving mechanism does not drive the sliding block to move, and the second transparent position is opposite to the warning lamp when the horizontal moving mechanism drives the sliding block to move to the end closest to the main photoelectric smoke detector.

In order to further increase the accuracy of determining the smoke source direction, as a further optimized scheme of the invention, one auxiliary photoelectric smoke detector and the other auxiliary photoelectric smoke detector are oppositely arranged on two sides of the main photoelectric smoke detector.

According to the fire detection device, the roof is provided with the mounting groove matched with the mounting shell, smoke enters the smoke sensing cavity through the connecting hole after the smoke enters a room after a fire happens, and the auxiliary photoelectric smoke sensing detector triggered by the smoke firstly can indicate that a fire source of the auxiliary photoelectric smoke sensing detector is positioned in the direction of the auxiliary photoelectric smoke sensing detector triggered firstly.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

fig. 2 is a schematic view of the internal structure of the mounting case of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

A fire detection device as shown in fig. 1-2, comprising a mounting case 1, a main photoelectric smoke detector 2, a horizontal moving mechanism 4 and an auxiliary photoelectric smoke detector 3, wherein:

the mounting shell 1 comprises an upper frame 10 and a lower bottom plate 11, wherein the upper frame 10 is provided with a lower opening, the bottom plate is mounted on the upper frame 10 in a bolt or welding mode and closes the lower opening, and a smoke sensing cavity 100 is formed between the upper frame 10 and the lower bottom plate 11;

the main photoelectric smoke detector 2 is arranged on the lower bottom plate 11 of the mounting shell 1 and is positioned outside the smoke sensing cavity 100, and the main photoelectric smoke detector 2 is equivalent to the existing photoelectric smoke detector;

the surface of the lower bottom plate 11 of the mounting shell 1 is provided with a connecting through hole 101, and the connecting through hole 101 is communicated with the smoke sensing cavity 100;

a plurality of auxiliary photoelectric smoke detectors 3 are arranged, and the auxiliary photoelectric smoke detectors 3 are arranged in the smoke detection cavity 100 and are radially distributed around the main photoelectric smoke detector 2;

the horizontal moving mechanism 4 is arranged in the smoke sensing cavity 100 and used for driving the auxiliary smoke sensing detector to move towards the direction close to or far away from the main photoelectric smoke sensing detector 2, a plurality of connecting through holes 101 are formed, one connecting through hole 101 is opposite to one auxiliary photoelectric smoke sensing detector 3, and when the auxiliary photoelectric smoke sensing detector 3 is farthest away from the main photoelectric smoke sensing detector 2, the connecting through hole 101 is opposite to the auxiliary photoelectric smoke sensing detector 3;

when one auxiliary photoelectric smoke detector 3 detects smoke and other auxiliary photoelectric smoke detectors 3 do not detect smoke, the horizontal moving mechanism 4 drives the auxiliary photoelectric smoke detector 3 which does not detect smoke to move towards the direction close to the main photoelectric smoke detector 2;

specifically, in the present embodiment, the horizontal movement mechanism 4 is a screw rod slider mechanism; a sliding block 5 is fixed on a sliding block of the screw rod sliding block mechanism, and an auxiliary smoke detector is fixed on the sliding block 5;

specifically, the sliding block 5 is provided with a warning lamp 6, the shell is at least provided with a plurality of transparent positions, and the transparent positions are opposite to the warning lamps 6;

the transparent positions comprise a first transparent position 102 and a second transparent position 103, when the horizontal moving mechanism 4 does not drive the sliding block 5 to move, the first transparent position 102 is opposite to the warning lamp 6, the first transparent position 102 is the position of the connecting through hole 101, and when the horizontal moving mechanism 4 drives the sliding block 5 to move to the end closest to the main optical smoke detector 2, the second transparent position 103 is opposite to the warning lamp 6;

one auxiliary photoelectric smoke detector 3 and the other auxiliary photoelectric smoke detector 3 are oppositely arranged at two sides of the main photoelectric smoke detector 2.

In the installation process, firstly, the lower base plate 11 is detached, the screw rod sliding block mechanism is fixed in the smoke sensing cavity 100, then the warning lamp 6 and the auxiliary photoelectric smoke sensing detector 3 are fixed on the sliding block 5, then the sliding block 5 is fixed on the sliding block of the screw rod sliding block mechanism, the motor of the screw rod sliding block mechanism drives the screw rod to rotate, and then the auxiliary photoelectric smoke sensing detector 3 is driven to move to one end far away from the main photoelectric smoke sensing detector 2, the auxiliary photoelectric smoke sensing detector 3 and the warning lamp 6 are opposite to the connecting through hole 101, then the lower base plate 11 is fixed, the main photoelectric smoke sensing detector 2 is fixed in the middle of the lower base plate 11, and then the installation shell 1 is fixed on the roof of a house.

In the working process of the embodiment: if smoke is transmitted to a room from one direction, the main photoelectric smoke detector 2 is triggered, in the process, the smoke enters the smoke sensing cavity 100 from one connecting through hole 101, the auxiliary photoelectric smoke detector 3 opposite to the connecting through hole 101 senses the fire and triggers at first, all the warning lamps 6 are lighted, the screw rod slider mechanism drives other auxiliary photoelectric smoke detectors 3 to move towards the main photoelectric smoke detector 2, and further drives the warning lamps 6 to move towards the main photoelectric smoke detector 2 and move to the second transparent position 103, so that the warning lamps 6 are distributed around the main photoelectric smoke detector 2, the warning lamp 6 of the sliding block 5 on the auxiliary photoelectric smoke detector 3 which senses the smoke at first is far away from the main photoelectric smoke detector 2, so that an escaper can conveniently observe the direction of the smoke source and further move towards the direction deviating from the main photoelectric smoke detector 6 which is far away from the main photoelectric smoke detector 2, is convenient for escaping to the escape opening far away from the fire source.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.