CN106056830B - A kind of labyrinth of optical detector of fire smoke - Google Patents
A kind of labyrinth of optical detector of fire smoke Download PDFInfo
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- CN106056830B CN106056830B CN201610440059.1A CN201610440059A CN106056830B CN 106056830 B CN106056830 B CN 106056830B CN 201610440059 A CN201610440059 A CN 201610440059A CN 106056830 B CN106056830 B CN 106056830B
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- smoke
- cover
- labyrinth
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- light
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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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
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- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of labyrinth of optical detector of fire smoke, external strong light light is avoided to enter while labyrinth presence cannot be completely into smoke particle when solving the problem of to occur fire.The present invention includes the cover using frustum cone structure, and at least three and leads the column of smoke around what the covering on top was uniformly arranged for one week；It is described that lead the column of smoke convex on cover, all central points led the respective one end of the column of smoke and intersect at cover jointly, and stopping on cover and by extraneous light while adjacent leading is equipped with for being passed through external smoke particle to cover between the column of smoke, leading cigarette shade to avoid influence detector sense cigarette effect.The present invention has rational design, assembly is simple, low in cost, smoke particle can be made more rapidly, more fully to enter in labyrinth, and can avoid extraneous light, larger particles and the entrance of insects simultaneously, therefore, the present invention is suitable for popularization and application.
Description
Technical field
The present invention relates to smoke detector fields, and in particular to be a kind of optical detector of fire smoke labyrinth.
Background technique
In the inside of optical detector of fire smoke, smoke particle enters in the pedestal of labyrinth generally by labyrinth, so, fan
The structure of palace cover determines that smoke particle enters direction and the concentration in labyrinth.
Currently, existing detector must assure that smog can smoothly enter detecting area, therefore, to reach shading effect
Fruit, it will usually several anti-dazzling screens are designed on labyrinth, these anti-dazzling screens annular array on cover surrounds lightproof ventilated wall, is used for
Realize the blocking to extraneous light, then the crosspoint of anti-dazzling screen will form the smoke inlet for being passed through smoke particle.Although can be with
Realize shading and into cigarette, but these designs of existing labyrinth also bring following disadvantage simultaneously: (1) easy when smoke particle enters
It is blocked by anti-dazzling screen, detector cannot be caused to make a fault the concentration judgement of smog, very well into arriving in the sensitizing range of labyrinth
To being the case where false alarm occur；(2) due to unreasonable structural design, extraneous strong light light is still inevitably through screening
Mating plate enters search coverage, further affects the effect of smoke detection；(3) during use, it is necessary in anti-dazzling screen shape
At ventilative wall outside add fly net, prevent from entering with the comparable insects in gap, not only increase the expense and processing of material
Time, and assemble also relatively complicated.
Therefore, the structure for how improving labyrinth enables more fully to be passed through smoke particle, and avoids light completely
It injects, to improve the smoke sentivity of smoke detector, becomes as the main problem of those skilled in the art's urgent need to resolve.
Summary of the invention
It in view of the above shortcomings of the prior art, can be very the present invention provides a kind of labyrinth of optical detector of fire smoke
While realizing that smoke particle enters labyrinth well, the injection of external strong light light is avoided.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of labyrinth of optical detector of fire smoke, including using frustum cone structure cover, and at least three and
The column of smoke is led around what the covering on top was uniformly arranged for one week；Described to lead that the column of smoke is convex on cover, all to lead the column of smoke each
From one end intersect at the central point of cover jointly, and on cover and adjacent leading is equipped with for will be outer between the column of smoke
Extraneous light is stopped while portion's smoke particle is passed through to cover, is filled to avoid the cigarette shading of leading for influencing detector sense cigarette effect
It sets.
Further, the cigarette shade of leading includes that several are provided on cover and lead in longitudinal direction is arranged in parallel
Cigarette slot and several be arranged on cover inner wall and in laterally-graded formula it is arranged in parallel for extraneous light to be stopped
Smoke guide wall；The smoke guide wall is located at below smoke guide trough, and all smoke guide walls intersect with smoke guide trough is combined formation for importing outside
The smoke inlet matrix of smoke particle.
Still further, the cover is equipped with light-guiding pillar socket.
Further, the cover bottom margin is equipped with lug boss, and card slot is additionally provided on lug boss.
Compared with prior art, the invention has the following advantages:
(1) structure of the invention is reasonable, ingenious in design, devises cover, leads the column of smoke, smoke guide trough and smoke guide wall, by leading
The cross-over design of cigarette slot and smoke guide wall forms smoke inlet matrix, and the staged for the frustum cone structure and smoke guide wall for combining cover is set
Smoke particle, on the one hand can be fully introduced into cover by meter, on the other hand can be achieved to the strong light light in the outside of incidence angles degree
The blocking of line, it is entirely avoided the entrance of light.In this way, work as on detector after applying the present invention, in the case of fire, soot
Son can quickly, enter sufficiently into detector, the concentration of smog is then accurately judged to by detector, and fast implement phase
The alarm for answering rank is the probability for avoiding false alarm well.
(2) any biggish gap is not present in the smoke inlet matrix that the present invention is formed in conjunction with smoke guide wall by smoke guide trough,
While guarantee into cigarette, the entrance of extraneous larger particles and insects can be prevented, thus no longer need to install insect prevention additional on the detector
Net, assembling process is simply, conveniently.
(3) cost performance of the present invention is high, practical and high production efficiency, low in cost, therefore, has and widely answers
With prospect, it is highly suitable for large-scale promotion application in smoke detector field.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 be Fig. 1 in A to structural schematic diagram.
Fig. 3 is the working principle of the invention schematic diagram.
Fig. 4 is the structural schematic diagram using a kind of smoke detector of the invention.
Fig. 5 is the structural schematic diagram of labyrinth pedestal in Fig. 4.
Wherein, the corresponding title of appended drawing reference are as follows:
1- cover, 2- lead the column of smoke, 3- smoke guide trough, 4- smoke guide wall, 5- smoke inlet matrix, 6- light-guiding pillar socket, 7- lug boss,
8- card slot, the labyrinth 9- pedestal, 10- hollow cavity, 11- buckle, 12- luminous tube, 13- transmission channel, 14- reception pipe, 15- are received
Channel, 16- shielding strip, 17- bend baffle, and 18- converts into face, and 19- shading wall, 20- is to interface.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
It as shown in Figure 1, 2, can be on optical detector of fire smoke the present invention provides a kind of novel labyrinth.This hair
Bright includes the cover 1 using frustum cone structure, and what at least three and circular 1 top of cover were uniformly arranged for one week leads the column of smoke 2
(the present embodiment set there are six), is arranged in the light-guiding pillar socket 6 on cover 1, the lug boss 7 of 1 bottom margin of cover is arranged in, with
And the card slot 8 on lug boss 7 is set.Described to lead that the column of smoke is convex on cover 1, all to lead the respective one end of the column of smoke total
With intersecting at the central point of cover 1, and on cover 1 and adjacent leading be equipped between the column of smoke lead cigarette shade (according to
Lead the column of smoke set there are six the case where, the cigarette shade of leading in the present embodiment also is provided with six).
As main innovation point of the invention, described leads cigarette shade for being passed through external smoke particle to cover
While, by external strong light light barrier, to avoid the sense cigarette effect for influencing detector.Specifically, individually leading cigarette shading dress
It sets and is provided on cover 1 including several and in longitudinal smoke guide trough 3 arranged in parallel and several settings in 1 inner wall of cover
Upper and arranged in parallel in the laterally-graded formula smoke guide wall 4 for stopping extraneous light；The smoke guide wall 4 is located at smoke guide trough 3
Lower section, all smoke guide walls intersect the smoke inlet matrix 5 for being combined and being formed for importing external smoke particle with smoke guide trough.
The working principle of the invention is as shown in figure 3, when outside is there are when smoke particle, and smoke particle and light are simultaneously via into cigarette
Mouth matrix 5 enters labyrinth, at this point, smoke particle can be smoothly introduced in cover 1, but equally be due to the effect of smoke guide wall 4
Smoke guide wall 4 can make light incident from different perspectives be blocked and (reflect) and go back, such as due to its stepped design
This one, can ensure well smoke particle can faster, more fully enter labyrinth while, avoid extraneous light inject fan
In the cover of palace.
It is shown in Fig. 4, it is that one kind of the invention practices structure chart, i.e., complete optical detector of fire smoke (includes fan
Palace cover and 9 two parts of labyrinth pedestal), and it is shown in fig. 5, then it is the exploded pictorial of labyrinth pedestal 9 in the optical detector of fire smoke
Figure.
The structure of lower labyrinth pedestal 9 is introduced first comprising hollow cavity 10, buckle 11, luminous tube 12, transmission channel
13, reception pipe 14, receiving channel 15, shielding strip 16, bending baffle 17 and shading wall 19.The buckle 11 is arranged in hollow cavity
10 outer walls, for being matched with the card slot 8 on labyrinth, the connection of realization labyrinth and labyrinth pedestal, and leading on labyrinth
Light beam socket then be arranged in corresponding to interface 20 on hollow cavity, be inserted into pair for light-guiding pillar via light-guiding pillar socket 6
In interface.The shielding strip 16 is inserted on the groove that 10 outer wall of hollow cavity is arranged in.
There are two the luminous tube 12 is set, and blue light and infrared light integral tube are all made of (using double color luminotron
On the one hand benefit is to improve the sensitivity to black smoke response, be on the other hand that double transmitting tube combination two-colour tubes can form hollow cavity
Internal 360 ° issue detection light without dead angle, improve the sensibility of detector)；The transmission channel 13 is arranged in hollow cavity 10
Interior, quantity is also two, for being inserted into luminous tube correspondingly.The reception pipe 14 is equipped with one, and described receive is led to
Road 15 is also disposed in hollow cavity 10, for being inserted into reception pipe 14.Luminous tube 12 is used to emit light (i.e. into hollow cavity 10
Detect light), the light that one of luminous tube issues is passed through via transmission channel to hollow cavity 10, is formed an optical path and (is claimed
For A optical path), similarly, the light that another luminous tube issues also forms another optical path (referred to as B optical path)；A optical path Center axis with
Reception pipe central axis forms the forward scattering access that angle is greater than 90 °, and B optical path Center axis and reception pipe central axis formation angle are small
In 90 ° of back scattering access.When smoke particle enters in hollow cavity 10, the scattering direction of detection light can be changed, so that connecing
Closed tube 14 receives the detection light of luminous tube transmitting, is then thus converted into electric signal and exports to the controller connecting with detector
In handled, judge smog occurred, then being alarmed, (in many environment, smog is often important spy on fire
Sign).
It is not difficult to find out by upper, when not entering smoke particle, the detection light for emitting luminous tube 12 is not received pipe 14
It receives, and reception pipe 14 can quickly, smoothly receive detection light when smoke particle enters, and become as the core design of labyrinth pedestal.This
The specific practice that embodiment uses thus is: 1, the structure design that above-mentioned labyrinth avoids extraneous light from injecting (is mainly led
Cigarette wall and its stepped arrangement design)；2, shading wall 19 is arranged inside hollow cavity 10, and is located at transmission channel 13 and connects
It receives between channel 15, " 7 " font structure is used to design；3, bending baffle 17 is curved around 10 inner wall of hollow cavity, 225 ° of settings
The bending place (i.e. equivalent face 18) for rolling over baffle 17 is designed for obtuse angle, and wherein the bending baffle of half is another close to transmission channel
Half bending baffle is close to receiving channel；Close to the bending baffle of transmission channel and close to the bending baffle bending side of receiving channel
To opposite；3rd point and the 4th point of combination, the light that can prevent luminous tube 12 from emitting directly are received the absorption of pipe 14；4, in labyrinth
Cover on add a shell and be protected from light lid, prevent internal detection light scatter and multiple reflections after through being run out of by smoke inlet matrix
To outside detector.
By above-mentioned design, reception pipe reception when the labyrinth pedestal 9 of the present embodiment design may be implemented not enter smoke particle
Less than detection light, into smoke particle when can receive detection light, to realize accurate sense of the smoke detector to smokescope
It answers, and then realizes the alarm of appropriate level.
The present invention is designed by reasonable structure, and labyrinth is not only made to have condition that is quick, being accurately passed through smoke particle,
And the injection of external strong light light and the entrance of larger particles and insects can be avoided completely, and designed labyrinth pedestal
Also have sense cigarette effect well, when not entering smoke particle, reception pipe does not receive detection light, and when entrance smoke particle then
Detection light is quickly received, and carries out electro-optical signal conversion, then realizes Rapid Alarm.Therefore, the present invention and its photoelectricity constituted
Smoke detector is not only novel in design, stable and reliable for performance, but also the sensitivity of smoke detection greatly improved, and utmostly keeps away
A possibility that having exempted from false alarm.The present invention and its constitute optical detector of fire smoke compared with prior art for, all have outstanding
Substantive distinguishing features and significant progress.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
Enclose, it is all in body design thought of the invention and mentally make have no the change of essential meaning or polishing, solved
Technical problem is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (2)
1. a kind of labyrinth of optical detector of fire smoke, which is characterized in that including the cover (1) using frustum cone structure, Yi Jizhi
What is be uniformly arranged within one week for three and at the top of the cover (1) less leads the column of smoke (2)；The column of smoke of leading is on cover (1)
Convex, all central points led the respective one end of the column of smoke and intersect at cover (1) jointly, and it is on cover (1) and adjacent
Lead while being equipped between the column of smoke for being passed through external smoke particle to cover by extraneous light stop, to avoid influence
Detector sense cigarette effect leads cigarette shade；The cigarette shade of leading includes that several are provided on cover (1) and in vertical
It is on cover (1) inner wall and arranged in parallel in laterally-graded formula to smoke guide trough (3) arranged in parallel and several settings
Smoke guide wall (4) for stopping extraneous light；The smoke guide wall (4) is located at below smoke guide trough (3), all smoke guide walls with lead
Cigarette slot intersects the smoke inlet matrix (5) for combining and being formed for importing external smoke particle, and the cover (1) is equipped with light-guiding pillar socket
(6)。
2. a kind of labyrinth of optical detector of fire smoke according to claim 1, which is characterized in that cover (1) bottom
Portion edge is equipped with lug boss (7), and card slot (8) are additionally provided on lug boss (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440059.1A CN106056830B (en) | 2016-06-20 | 2016-06-20 | A kind of labyrinth of optical detector of fire smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440059.1A CN106056830B (en) | 2016-06-20 | 2016-06-20 | A kind of labyrinth of optical detector of fire smoke |
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| Publication Number | Publication Date |
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| CN106056830A CN106056830A (en) | 2016-10-26 |
| CN106056830B true CN106056830B (en) | 2019-01-08 |
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| CN201610440059.1A Active CN106056830B (en) | 2016-06-20 | 2016-06-20 | A kind of labyrinth of optical detector of fire smoke |
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| CN107516396A (en) * | 2017-09-05 | 2017-12-26 | 深圳市泰和安科技有限公司 | A kind of two-way photoelectric smoke sensor |
| EP3813033A4 (en) * | 2018-06-25 | 2022-03-30 | Hochiki Corporation | Fire detection device |
| CN110322658B (en) * | 2019-08-02 | 2024-01-30 | 四川赛科安全技术有限公司 | Top type reverse smoke inlet labyrinth structure and implementation method thereof |
| CN112562253B (en) * | 2019-09-26 | 2022-06-03 | 杭州海康消防科技有限公司 | Smoke sensor, smoke alarm method and smoke alarm device |
| CN110718037A (en) * | 2019-11-04 | 2020-01-21 | 深圳市泛海三江电子股份有限公司 | Labyrinth smoke inlet structure of smoke alarm |
| US11846588B2 (en) * | 2019-11-27 | 2023-12-19 | Xuedan WU | Detection component of the photoelectric smoke detection fire alarm |
| CN110992640A (en) * | 2019-12-23 | 2020-04-10 | 赛特威尔电子股份有限公司 | Smoke-sensing fire alarm |
| US11790746B2 (en) | 2021-02-02 | 2023-10-17 | Carrier Corporation | Smoke entry solution for multi wave multi angle safety device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939994A (en) * | 1995-11-06 | 1999-08-17 | Cerberus Ag | Automatic surveillance device |
| US6057775A (en) * | 1996-10-11 | 2000-05-02 | Nittan Company, Limited | Ionization smoke detector |
| JP2001266265A (en) * | 2000-03-17 | 2001-09-28 | Nittan Co Ltd | Heat and smoke combined type detector |
| CN201066524Y (en) * | 2007-08-28 | 2008-05-28 | 英国阿波罗防火探测器有限责任公司 | A cavity structure for fire photoelectricity inductance smoke detector |
| CN201107780Y (en) * | 2007-04-27 | 2008-08-27 | 海湾安全技术有限公司 | Separated type fume sensing fire detect alarming apparatus |
| CN102074092A (en) * | 2011-01-20 | 2011-05-25 | 河北北大青鸟环宇消防设备有限公司 | Smoke inlet structure for photoelectric smoke detector |
| JP2012014330A (en) * | 2010-06-30 | 2012-01-19 | Lixil Nittan Co Ltd | Heat-smoke composite type sensor |
| TWM508745U (en) * | 2015-04-01 | 2015-09-11 | Zhang Gui Xiu | Fire alarm detector easily determining disconnected location |
-
2016
- 2016-06-20 CN CN201610440059.1A patent/CN106056830B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939994A (en) * | 1995-11-06 | 1999-08-17 | Cerberus Ag | Automatic surveillance device |
| US6057775A (en) * | 1996-10-11 | 2000-05-02 | Nittan Company, Limited | Ionization smoke detector |
| JP2001266265A (en) * | 2000-03-17 | 2001-09-28 | Nittan Co Ltd | Heat and smoke combined type detector |
| CN201107780Y (en) * | 2007-04-27 | 2008-08-27 | 海湾安全技术有限公司 | Separated type fume sensing fire detect alarming apparatus |
| CN201066524Y (en) * | 2007-08-28 | 2008-05-28 | 英国阿波罗防火探测器有限责任公司 | A cavity structure for fire photoelectricity inductance smoke detector |
| JP2012014330A (en) * | 2010-06-30 | 2012-01-19 | Lixil Nittan Co Ltd | Heat-smoke composite type sensor |
| CN102074092A (en) * | 2011-01-20 | 2011-05-25 | 河北北大青鸟环宇消防设备有限公司 | Smoke inlet structure for photoelectric smoke detector |
| TWM508745U (en) * | 2015-04-01 | 2015-09-11 | Zhang Gui Xiu | Fire alarm detector easily determining disconnected location |
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| CN106056830A (en) | 2016-10-26 |
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