CN110009864A - A kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth - Google Patents
A kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth Download PDFInfo
- Publication number
- CN110009864A CN110009864A CN201910317269.5A CN201910317269A CN110009864A CN 110009864 A CN110009864 A CN 110009864A CN 201910317269 A CN201910317269 A CN 201910317269A CN 110009864 A CN110009864 A CN 110009864A
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- Prior art keywords
- transmitting tube
- reception pipe
- optical axis
- pass
- vertical multi
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- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 239000006185 dispersion Substances 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 210000003027 ear inner Anatomy 0.000 claims abstract 13
- 238000009434 installation Methods 0.000 claims description 13
- 235000019504 cigarettes Nutrition 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinths, chamber is measured including labyrinth and intracavitary two groups of transmitting tubes and reception pipe are measured set on the labyrinth, wherein, angle of the optical axis of the optical axis of first transmitting tube and the second transmitting tube respectively between the optical axis of the first reception pipe is equal and is obtuse angle, so that the first transmitting tube, the second transmitting tube constitute preceding Xiang Guanglu with the first reception pipe respectively；Angle of the optical axis of the optical axis of first transmitting tube and the second transmitting tube respectively between the optical axis of the second reception pipe is equal and is acute angle, so that the first transmitting tube and the second transmitting tube constitute backward light path with the second reception pipe respectively.The vertical multi-pass two-way dispersion smoke sensing detector labyrinth has the advantages that design science, improves the responding ability to various smog, reduces wrong report, mutually calibration.
Description
Technical field
The present invention relates to smoke detector fields, specifically, relate to a kind of vertical multi-pass two-way dispersion sense cigarette spy
Survey device labyrinth.
Background technique
Widely used smoke detector has ion smoke detector and photoelectric smoke to visit in automatic fire alarm system
Survey two kinds of device.Ion smoke detector is preferable to various open fire smoke detection effects, can also detect to smoldering fire smog, but due to
It is easy affected by environment, and false alarm rate is higher, and the pollution sources containing low energy, is unable to satisfy and wants to Product Green environmental protection
It asks, is replaced by optical detector of fire smoke substantially.
Currently, the smoke fire detector of commercial type is all using infrared beam scattering principle, related sense cigarette
Detector labyrinth white biggish to partial size or grey smoke detection sensitivity are higher, but visit to the lesser black smog of partial size
It is poor to survey sensitivity.To improve sensitivity of the existing smoke detector to the smaller black smog of partial size, frequently with reduction warning level
The mode of value, but when the smog interference for having the very slight colors such as dust, smoke from cigarette, the smokescope of very little will make detector
, usually there is the phenomenon that false alarm in the response output for occurring more than alarm threshold value.
Existing smoke detector is all equipped with a transmitting tube, when transmitting tube damages, often to dismantle then
Again dress shell calibration, it is time-consuming and laborious.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of design science, improve to various smog
Responding ability, reduce wrong report, the vertical multi-pass two-way dispersion smoke sensing detector labyrinth mutually calibrated.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of vertical multi-pass two-way dispersion sense cigarette
Detector labyrinth measures chamber including labyrinth and measures intracavitary two groups of transmitting tubes and reception pipe set on the labyrinth, wherein first
Angle of the optical axis of the optical axis of transmitting tube and the second transmitting tube respectively between the optical axis of the first reception pipe is equal and is obtuse angle,
Xiang Guanglu before being constituted respectively with the first reception pipe to the first transmitting tube, the second transmitting tube；The optical axis of first transmitting tube and second
Angle of the optical axis of transmitting tube respectively between the optical axis of the second reception pipe is equal and is acute angle, thus the first transmitting tube and
Two transmitting tubes constitute backward light path with the second reception pipe respectively.
Described on base, first transmitting tube and second transmitting tube are controlled by individual control switch and are opened and closed.
It is described on base, first transmitting tube, second transmitting tube, first reception pipe and second reception pipe
Front end be respectively mounted lens.
It is described on base, shielding case is installed in first reception pipe and the second reception pipe.
Described on base, the installation site of first transmitting tube, second transmitting tube and second reception pipe is located at
On same circumference in same plane, the installation position of first transmitting tube, second transmitting tube and second reception pipe
Line constitutes isosceles triangle between setting.
It is described on base, the installation site of first reception pipe be located at first transmitting tube, second transmitting tube and
The top of the installation site of second reception pipe.
Described on base, first transmitting tube emits blue visible light, and second transmitting tube emits infrared light.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention adopts
It is designed with three-dimensional structure, to optical path and two groups of backward light paths before two groups of composition, and it is unified to the receiving end of optical path before two groups,
The receiving end of two groups of backward light paths is unified, so that light intensity is strengthened, two reception the cumulative of signal are improved to smog
The ability of response also eliminates the need for reporting phenomenon caused by the reason by mistake without turning down induction threshold value.
Two transmitting tubes form two groups of optical paths, and in final operation deterministic process, the average value of desirable two groups of data is sentenced
Determine the degree that dust accumulates in labyrinth, slowly varying dust accumulation is compensated, pollution alarm is issued after exceeding.
In the case where two transmitting tubes are symmetrically installed, two transmitting tubes can be calibrated each other, when a certain transmitting tube failure,
Fault message can be quickly known using the data that another transmitting tube obtains, and can temporarily be worked on instead of failure emitter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of vertical multi-pass two-way dispersion smoke sensing detector labyrinth in the present invention.
Fig. 2 is the structural schematic diagram of vertical multi-pass two-way dispersion smoke sensing detector labyrinth in other embodiments.
In figure: 1. first transmitting tubes；2. the second transmitting tube；3. the first reception pipe；4. the second reception pipe.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
As shown in Figure 1, a kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth, including labyrinth measure chamber and are set to institute
It states labyrinth and measures intracavitary two groups of transmitting tubes and reception pipe, wherein the optical axis of the optical axis of the first transmitting tube 1 and the second transmitting tube 2
Angle respectively between the optical axis of the first reception pipe 3 is equal and is obtuse angle, so that the first transmitting tube 1, the second transmitting tube 2 divide
Preceding Xiang Guanglu is not constituted with the first reception pipe 3；The optical axis of the optical axis of first transmitting tube 1 and the second transmitting tube 2 connects with second respectively
Angle between the optical axis of closed tube 4 is equal and is acute angle, so that the first transmitting tube 1 and the second transmitting tube 2 connect with second respectively
Closed tube 4 constitutes backward light path.Xiang Guanglu before first reception pipe 3 receives two groups, Xiang Guang after the second reception pipe 4 receives two groups
Road improves light intensity, the cumulative responding ability improved to smog of two reception signals.
In the present embodiment, the installation site of first transmitting tube 1, second transmitting tube 2 and second reception pipe 4
On the same circumference being in the same plane, first transmitting tube 1, second transmitting tube 2 and second reception pipe 4
Between installation site line constitute isosceles triangle, the installation site of first reception pipe 3 be located at first transmitting tube 1,
The top of the installation site of second transmitting tube 2 and second reception pipe 4；Two transmitting tubes are symmetrically installed, can be each other
Calibration can quickly know fault message using the data that another transmitting tube obtains, and being capable of temporary generation when a certain transmitting tube failure
It works on for failure emitter.
In other embodiments, as shown in Fig. 2, first transmitting tube 1, second transmitting tube 2,3 and of the first reception pipe
Second reception pipe 4 is respectively positioned in same plane.
First transmitting tube 1 emits blue visible light, and second transmitting tube 2 emits infrared light；Blue visible light pair
The smoke particle and partial size of fire early stage is sensitive less than the open fire response of 0.4 μm of particle, and infrared light is to timber, continuous generation of glowing of restricting
Grey white cigarette response it is sensitive, by blue visible light and infrared light Combination Design, can take into account to the biggish white cigarette of partial size and grain
The sensitivity of the lesser black smoke of diameter extremely early finds fire hazard in Initial Stage of Fire, improves accuracy and stabilization to fire detection
Property.
First transmitting tube 1 and second transmitting tube 2 are controlled by individual control switch to be opened and closed；In use, according to
Difference needs, and can use individually, can also be used in conjunction with.
In order to meet the needs of different installation sites, first transmitting tube 1, second transmitting tube 2, described first are connect
The front end of closed tube 3 and second reception pipe 4 is respectively mounted lens.
In order to shield outside electromagnetic interference, shielding case is installed in first reception pipe 3 and the second reception pipe 4.
Working principle:
The combination of blue visible light and infrared light takes into account the sensitivity to the biggish white cigarette of partial size and the lesser black smoke of partial size, mentions
Stability and veracity of the height to fire detection.
When smog enters detector labyrinth, what the blue visible light and the second transmitting tube 2 of the first transmitting tube 1 transmitting emitted
Infrared light encounters smoke particle and scatters, and the first reception pipe 3 receives the light before the two to optical path, the second reception pipe 4
The light from the two backward light path is received, the light intensity received is reinforced, it is not necessary to reduce induction threshold value, reduce to dust, water
The wrong report of mist.
When calibration, two transmitting tubes are individually enabled, if one of reception pipe can not receive normal scattering light,
The then reception pipe failure does not receive another transmitting when two reception pipes can receive the normal value of one of transmitting tube
When the normal value of pipe, then another transmitting tube failure, is repaired to facilitate and adjust.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth, it is characterised in that: measure chamber including labyrinth and be set to institute
It states labyrinth and measures intracavitary two groups of transmitting tubes and reception pipe, wherein the optical axis of the optical axis of the first transmitting tube and the second transmitting tube point
Angle not between the optical axis of the first reception pipe is equal and is obtuse angle, thus the first transmitting tube, the second transmitting tube respectively with
Xiang Guanglu before first reception pipe is constituted；The optical axis of the optical axis of first transmitting tube and the second transmitting tube light with the second reception pipe respectively
Angle between axis is equal and is acute angle, so that the first transmitting tube and the second transmitting tube are constituted backward with the second reception pipe respectively
Optical path.
2. vertical multi-pass two-way dispersion smoke sensing detector labyrinth according to claim 1, it is characterised in that: described first
Transmitting tube and second transmitting tube are controlled by individual control switch to be opened and closed.
3. vertical multi-pass two-way dispersion smoke sensing detector labyrinth according to claim 1 or 2, it is characterised in that: described
First transmitting tube, second transmitting tube, first reception pipe and second reception pipe front end be respectively mounted lens.
4. vertical multi-pass two-way dispersion smoke sensing detector labyrinth according to claim 3, it is characterised in that: described first
Shielding case is installed in reception pipe and the second reception pipe.
5. according to claim 1,2 or 4 described in any item vertical multi-pass two-way dispersion smoke sensing detector labyrinths, feature exist
In: the installation site of first transmitting tube, second transmitting tube and second reception pipe is in the same plane same
On one circumference, line is constituted between first transmitting tube, second transmitting tube and the installation site of second reception pipe
Isosceles triangle.
6. vertical multi-pass two-way dispersion smoke sensing detector labyrinth according to claim 5, it is characterised in that: described first
The installation site of reception pipe is located at the installation site of first transmitting tube, second transmitting tube and second reception pipe
Top.
7. according to claim 1, the described in any item vertical multi-pass two-way dispersion smoke sensing detector labyrinths in 2,4 or 6, feature
Be: first transmitting tube emits blue visible light, and second transmitting tube emits infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317269.5A CN110009864A (en) | 2019-04-19 | 2019-04-19 | A kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317269.5A CN110009864A (en) | 2019-04-19 | 2019-04-19 | A kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110009864A true CN110009864A (en) | 2019-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910317269.5A Pending CN110009864A (en) | 2019-04-19 | 2019-04-19 | A kind of vertical multi-pass two-way dispersion smoke sensing detector labyrinth |
Country Status (1)
| Country | Link |
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| CN (1) | CN110009864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991666A (en) * | 2021-02-08 | 2021-06-18 | 三明学院 | Fire smoke detector, smoke chamber thereof and anti-interference smoke detection method |
| CN114926953A (en) * | 2022-06-07 | 2022-08-19 | 浙江中辰城市应急服务管理有限公司 | Labyrinth passive power device with cyclone function |
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| CN1680982A (en) * | 2004-04-06 | 2005-10-12 | 诺瓦尔有限公司 | Fire disaster identifying method and fire alarm therefor |
| CN1949285A (en) * | 2006-10-31 | 2007-04-18 | 中国科学技术大学 | Photoelectric smoke sensing fire detecting method and apparatus based on depolarization rate |
| CN101656011A (en) * | 2009-05-27 | 2010-02-24 | 北京奥腾讯达科技有限公司 | Universal smoke fire detector |
| CN101833840A (en) * | 2010-05-14 | 2010-09-15 | 公安部沈阳消防研究所 | Front/back scattering combined spot-type photoelectric smoke detector and detection method thereof |
| JP2012033082A (en) * | 2010-08-02 | 2012-02-16 | Sharp Corp | Scattering-type particle detection device and fire alarm |
| EP3287999A1 (en) * | 2016-08-25 | 2018-02-28 | Siemens Schweiz AG | Method for the detection of fire based on the stray light principle with staggered connection of a further led unit for beaming additional light impulses of different wavelengths and stray light angle and such stray light smoke detectors |
| CN209842825U (en) * | 2019-04-19 | 2019-12-24 | 汉威科技集团股份有限公司 | Vertical multi-light-path bidirectional scattering smoke detector labyrinth |
-
2019
- 2019-04-19 CN CN201910317269.5A patent/CN110009864A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680982A (en) * | 2004-04-06 | 2005-10-12 | 诺瓦尔有限公司 | Fire disaster identifying method and fire alarm therefor |
| CN1949285A (en) * | 2006-10-31 | 2007-04-18 | 中国科学技术大学 | Photoelectric smoke sensing fire detecting method and apparatus based on depolarization rate |
| CN101656011A (en) * | 2009-05-27 | 2010-02-24 | 北京奥腾讯达科技有限公司 | Universal smoke fire detector |
| CN101833840A (en) * | 2010-05-14 | 2010-09-15 | 公安部沈阳消防研究所 | Front/back scattering combined spot-type photoelectric smoke detector and detection method thereof |
| JP2012033082A (en) * | 2010-08-02 | 2012-02-16 | Sharp Corp | Scattering-type particle detection device and fire alarm |
| EP3287999A1 (en) * | 2016-08-25 | 2018-02-28 | Siemens Schweiz AG | Method for the detection of fire based on the stray light principle with staggered connection of a further led unit for beaming additional light impulses of different wavelengths and stray light angle and such stray light smoke detectors |
| CN209842825U (en) * | 2019-04-19 | 2019-12-24 | 汉威科技集团股份有限公司 | Vertical multi-light-path bidirectional scattering smoke detector labyrinth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991666A (en) * | 2021-02-08 | 2021-06-18 | 三明学院 | Fire smoke detector, smoke chamber thereof and anti-interference smoke detection method |
| CN114926953A (en) * | 2022-06-07 | 2022-08-19 | 浙江中辰城市应急服务管理有限公司 | Labyrinth passive power device with cyclone function |
| CN114926953B (en) * | 2022-06-07 | 2024-01-19 | 浙江中辰城市应急服务管理有限公司 | Labyrinth passive power device with cyclone function |
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