CN113781737B - Fire detection device - Google Patents
Fire detection device Download PDFInfo
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- CN113781737B CN113781737B CN202111053423.6A CN202111053423A CN113781737B CN 113781737 B CN113781737 B CN 113781737B CN 202111053423 A CN202111053423 A CN 202111053423A CN 113781737 B CN113781737 B CN 113781737B
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- Prior art keywords
- photoelectric smoke
- smoke detector
- smoke
- detector
- auxiliary
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
Abstract
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 which are arranged in the smoke detection cavity and distributed around the main photoelectric smoke detector. According to the fire detection device, the mounting groove matched with the mounting shell is formed in the roof, 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 located in the direction of the auxiliary photoelectric smoke sensing detector triggered firstly.
Description
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, which function to monitor the environment for the presence or absence of a fire. The existing fire detector is mainly a photoelectric smoke detector, 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 the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like 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 of the 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 according to specific situations by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. 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 situation and triggers firstly, all the warning lamps 6 are lightened, the screw rod sliding block mechanism drives other auxiliary photoelectric smoke detectors 3 to move towards the direction close to the main photoelectric smoke detector 2, and then drives the warning lamps 6 to move towards the direction close to 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 firstly is far away from the main photoelectric smoke detector 2, and therefore an escaper can observe the direction of smoke sources conveniently, and then move towards the direction deviating from the direction of the warning lamp 6 far away from the main photoelectric smoke detector 2, and escape to an escape opening far away from a fire source is facilitated.
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.
Claims (4)
1. The utility model provides a fire detection device which characterized in that, is including installation shell (1), main light electric smoke detector (2) and supplementary light electric smoke detector (3), 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);
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 distributed around the main photoelectric smoke detector (2);
the device is characterized by further comprising a horizontal moving mechanism (4), wherein a plurality of groups of horizontal moving mechanisms (4) are arranged, and one group of horizontal moving mechanisms (4) drives one auxiliary photoelectric smoke detector (3) to horizontally move towards or away from the main photoelectric smoke detector (2);
the device also comprises a sliding block (5), the sliding block (5) is connected with the moving part of the horizontal moving mechanism (4), and the auxiliary photoelectric smoke detector (3) is arranged on the sliding block (5);
the sliding block (5) is provided with a warning lamp (6);
the shell is at least provided with a plurality of transparent positions which are opposite to the plurality of warning lamps (6);
the transparent position comprises a first transparent position (102) and a second transparent position (103), the first transparent position (102) is opposite to the warning lamp (6) when the sliding block (5) is not driven by the horizontal moving mechanism (4) to move, and the second transparent position (103) is opposite to the warning lamp (6) when the sliding block (5) is driven by the horizontal moving mechanism (4) to move to the end closest to the main optical smoke detector (2).
2. A fire detection device as claimed in claim 1, 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).
3. A fire detection device according to any of claims 1-2, wherein one auxiliary photoelectric smoke detector (3) is arranged opposite to the other auxiliary photoelectric smoke detector (3) on both sides of the main photoelectric smoke detector (2).
4. A fire detection device according to any one of claims 1-2, wherein the connecting through-hole (101) is provided in plurality, one connecting through-hole (101) being opposed to one auxiliary photoelectric smoke detector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053423.6A CN113781737B (en) | 2021-09-09 | 2021-09-09 | Fire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053423.6A CN113781737B (en) | 2021-09-09 | 2021-09-09 | Fire detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113781737A CN113781737A (en) | 2021-12-10 |
| CN113781737B true CN113781737B (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111053423.6A Active CN113781737B (en) | 2021-09-09 | 2021-09-09 | Fire detection device |
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| CN (1) | CN113781737B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114373275A (en) * | 2022-01-12 | 2022-04-19 | 深圳市法本信息技术股份有限公司 | Fire early warning method and system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004002592A1 (en) * | 2004-01-16 | 2005-08-18 | Robert Bosch Gmbh | fire alarm |
| US8542116B2 (en) * | 2008-03-26 | 2013-09-24 | Siemens Aktiengesellschaft | Hazard alarm with a variable holding region for a supply element |
| EP2666721B1 (en) * | 2012-05-24 | 2019-05-15 | Airbus Operations GmbH | Smoke detection system and method for operating a smoke detection system |
| CN103395520B (en) * | 2013-08-26 | 2015-04-22 | 龙岩烟草工业有限责任公司 | Device and method for detecting integrity of cyclical movement part |
| CN106442879B (en) * | 2016-09-10 | 2018-09-28 | 天津大学 | Detection method for odor source direction instruction in three-dimensional environment |
| CN208903391U (en) * | 2018-09-13 | 2019-05-24 | 哈尔滨理工大学 | A kind of evacuating personnel suggestion device for teaching building fire |
| CN210836474U (en) * | 2019-12-09 | 2020-06-23 | 江苏一诺测控科技有限公司 | Smoke alarm with fire prevention function |
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| CN113781737A (en) | 2021-12-10 |
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